WO2007016977A1 - Device for extracting an extraction product contained in a capsule by means of a liquid extraction agent - Google Patents

Device for extracting an extraction product contained in a capsule by means of a liquid extraction agent Download PDF

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Publication number
WO2007016977A1
WO2007016977A1 PCT/EP2005/053878 EP2005053878W WO2007016977A1 WO 2007016977 A1 WO2007016977 A1 WO 2007016977A1 EP 2005053878 W EP2005053878 W EP 2005053878W WO 2007016977 A1 WO2007016977 A1 WO 2007016977A1
Authority
WO
WIPO (PCT)
Prior art keywords
capsule
capsule holder
closure part
closed position
closing
Prior art date
Application number
PCT/EP2005/053878
Other languages
German (de)
French (fr)
Inventor
Walter BRÜGGER
Louis Deuber
Original Assignee
Delica Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delica Ag filed Critical Delica Ag
Priority to PCT/EP2005/053878 priority Critical patent/WO2007016977A1/en
Priority to PCT/EP2006/065015 priority patent/WO2007017455A1/en
Priority to EP06778147A priority patent/EP1912542B1/en
Priority to DE502006002834T priority patent/DE502006002834D1/en
Priority to AT06778147T priority patent/ATE422319T1/en
Publication of WO2007016977A1 publication Critical patent/WO2007016977A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3623Cartridges being employed
    • A47J31/3638Means to eject the cartridge after brewing
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0668Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines specially adapted for cartridges
    • A47J31/0673Means to perforate the cartridge for creating the beverage outlet
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3604Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means with a mechanism arranged to move the brewing chamber between loading, infusing and ejecting stations
    • A47J31/3623Cartridges being employed
    • A47J31/3633Means to perform transfer from a loading position to an infusing position
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3676Cartridges being employed
    • A47J31/369Impermeable cartridges being employed

Definitions

  • the invention relates to a device for extracting an extraction material contained in a capsule with a liquid extractant according to the preamble of claim 1.
  • Such devices have been used primarily for the preparation of beverages such. As coffee, tea or cocoa enforced, the dry matter is included as a single serving in a capsule.
  • WO 2005/004683 a generic comparable device has become known, in which the capsule is inserted into an intermediate position between the capsule holder and the closure part and fixed there. Then we close the extraction chamber and the extraction process can begin. When reopening the extraction chamber, the capsule also falls down under the action of gravity.
  • a problem with this device is that the means for holding the capsule in the intermediate position must not hinder the closing of the extract chamber nor the subsequent falling out of the capsule. Apart from that, careless handling does not always guarantee that the capsule is held precisely in the intermediate position. Namely, the capsule has to be rotated by 90 ° into a horizontal position from the upright position in which it is packed.
  • the capsule should be able to be largely entered in the same position in the device as it is taken from the pack, and the provisional Fest- Keep the capsule in an intermediate position before closing the extraction chamber should be completely eliminated.
  • a compact module is to be created, which can be installed in different devices and largely independent of location. This object is achieved according to the invention with a device having the features in claim 1.
  • the pivotal arrangement of the capsule holder allows to perform the closing practically in any position.
  • the receiving position can always be chosen so that the capsule can be placed approximately vertically from top to bottom in the cavity of the capsule holder, ie in the same position as the capsule is removed from the pack.
  • a holding in an intermediate position is unnecessary because the capsule is already introduced in a position in the capsule holder, which also occupies it later in the extraction process.
  • By pivoting in the ejection position at an angle of more than 90 ° after reopening the extraction chamber ensures that the capsule falls without aids only by their own weight down.
  • the capsule holder performs a total pivotal movement of about 180 °.
  • the relative closing movement between capsule holder and closure part can be realized in different ways depending on the application.
  • One possibility is that the capsule holder is only pivotable and the closure part is slidably mounted and that the closure part between the receiving position and the closed position against the capsule holder and between the closed position and the ejection position away from the capsule holder is in particular linearly displaceable.
  • This solution has the advantage that the capsule holder only has to be rotated by means of a corresponding gear and that no additional means are required in order to prevent it from being damaged. slide.
  • closure part and capsule holder have to cover only relatively short distances on their own, which may be advantageous for transmission reasons.
  • the capsule holder is pivotally and displaceably and the closure part is fixedly mounted and that the capsule holder between the receiving position and the closed position against the closure part and between the closed position and the ejection position away from the closure part in particular linearly displaceable.
  • This solution is particularly advantageous if, for example, hot water is injected under pressure from the side of the closure part into the capsule.
  • the fixed arrangement of the closure part avoids that flexible pressure lines must be arranged.
  • the relative displacement between the closure part and capsule holder is advantageously carried out on a linear feed path.
  • a curved path it would be readily possible for a curved path to be covered.
  • the pivoting angle between the receiving position and the closed position is advantageously more than 60 °, preferably between 60 ° and 80 °. In this way it is ensured that the insertion area for the capsule above the cavity completely free lies.
  • the pivot angle between the closed position and the ejection position is more than 20 °, preferably between 20 ° and 60 °. A sufficient angle is also required here so that the capsule can fall freely down.
  • the cavity in the capsule holder advantageously extends over a longitudinal axis, which is inclined in the closed position to the horizontal by an angle of 0 ° to 30 °.
  • This axis coincides with the displacement axis between the closure part and capsule holder, so that the capsule is not extracted horizontally, but in an inclined position and can be inserted optimally.
  • Capsule holder and closure part are advantageously mounted in a support, wherein the closing movement and the opening movement between the two parts or the pivoting movement of the capsule holder are executable via an operating lever arranged on the support.
  • the actuating lever is advantageously designed as a pivot lever.
  • the actuating lever could also be a motor drive.
  • the pivoting lever can also be articulated to the support via a coupling, with the end of the pivoting lever being in operative connection with a guided carriage on which the capsule holder is arranged.
  • the pivotal movement of the capsule holder itself can be carried out in different ways. Since the capsule holder is no longer allowed to perform any rotational movement for the actual closing process, and since it must turn even further when reversing the actuating lever, the movement of the pivoting lever and the capsule holder does not run in the same direction or not simultaneously. For the execution of such movements, various types of gear with non-uniform movements such. B. lock gear (Maltese cross gear) or cam gear. Especially advantageous is the pivotal movement of the capsule holder is controlled by acting between support and capsule holder curve control. For the reliable start of the receiving position of the capsule holder may be additionally biased by a spring element in the receiving position.
  • the closure part is advantageously designed as an injector with which the capsule can be penetrated in the closed position and extraction agent can be introduced into the capsule.
  • a filter plate can be arranged at the bottom of the cavity, with which the capsule is penetratable in the closed position, wherein a derivative for discharging the extract is arranged in the capsule holder under the filter plate.
  • Such an extraction chamber has become known, for example, from EP 1 500 357. The individual design details and the mode of action of such an extraction chamber are therefore assumed to be known and will not be described further here.
  • the control of the capsule holder is particularly advantageously achieved in that the cam control has a closed control track with at least two track sections, wherein by means of a control gate when closing or when opening the extraction chamber different track sections can be tapped.
  • a control track it is easily possible to convert the closing movement and the opening movement very precisely in a pivoting movement on the capsule holder.
  • the switch is run over when closing the extraction chamber, so that when you open the extraction chamber another cam is scanned than when closing, until the last return to the same starting position is reached.
  • FIG. 1 is a schematic representation of a coffee machine with a device according to the invention
  • FIG. 2 shows a perspective view of a first variant of the device with pivotable and displaceable capsule holder
  • FIG. 3 is a plan view of the device according to FIG. 2,
  • FIG. 5 shows a cross section through the plane II - II in Fig. 4th
  • FIG. 7 shows a cross section through the plane I - I according to FIG. 3 in the closed position
  • FIG. 8 shows a cross section through the plane III - III according to FIG. 7
  • 9 shows a cross section through the plane I - I according to FIG. 3 in the ejection position
  • FIG. 10 shows a cross section through the plane IV - IV according to FIG.
  • FIG. 11 is a perspective view of a second embodiment of the device with sliding closure member
  • FIG. 12 is a plan view of the device according to FIG. 11,
  • FIG. 13 shows a cross section through the plane V - V according to FIG. 12,
  • FIG. 15a shows the closing process of the extraction chamber at the front 15b, 15c direction according to FIG. 11 in different sequences, FIG.
  • FIG. 17 shows a cross section through the plane VII - VII according to FIG. 16
  • FIG. 18 shows a cross section through the plane V - V according to FIG. 12 in the ejection position, FIG.
  • FIG. 19 is a cross section through the plane VIII - VIII of FIG. 18, 20 shows a schematic representation of a third embodiment of the device with displaceable capsule holder and displaceable closure part in the opened state,
  • FIG. 21 shows the device according to FIG. 20 in the closed position
  • FIG. 22 shows the schematic illustration of a gearbox for the device according to FIG. 20
  • FIG. 23 shows a perspective illustration of a device analogous to FIG. 2, but with alternative cam control for the capsule holder, FIG.
  • FIG. 24 shows a perspective inside view of the control cam on the device according to FIG. 23, FIG.
  • FIG. 25 shows a section through the plane VIII-VIII according to FIG. 23 in the receiving position
  • FIG. 26 shows a section through the plane IX-IX according to FIG. 25 (turned up for a better understanding), FIG.
  • FIG. 27 shows a section through the plane VIII - VIII according to FIG. 23 in the closed position
  • FIG. 28 shows a section through the plane X - X according to FIG. 27 (turned for better understanding), FIG.
  • Fig. 29 is a section through the plane VIII - VIII according to FIG. 23 in the ejection position and
  • FIG. 30 shows a section through the plane XI - XI according to FIG. 29 (turned for better understanding)
  • a brewing device for example, a coffee machine 2 is shown, in which a device according to the invention is installed as a module 1.
  • the contents of a capsule 3 can be extracted, which can be not only coffee, but also tea, or cocoa.
  • the device according to the invention is not limited to use in such brewing devices for the production of beverages. It would also be conceivable to use chemical / scientific extraction equipment, for example for extracting samples that have been previously encapsulated for preservation purposes.
  • the coffee machine 2 has a known manner on a casing 20, in which in addition to the module 1, a water tank 21 and a pump 22 are housed. The water is sucked in via a suction line 24 and fed to the module 1 via a pressure line 23. A heater not shown ensures the required water temperature and for the necessary water pressure. The finished coffee flows through a spout 27 into a cup 26 provided. Within the casing, a collecting container 25 for used capsules can also be arranged. For the coffee preparation, a capsule 3 is inserted in an upright position in the capsule holder 5 of the module 1. Subsequently, the pivot lever 11 is pivoted downward, wherein the closed position is reached.
  • a support 10 is fixedly mounted on a front side by means of fastening screws 32, a holding block 30 to which a closure member 7 is attached.
  • This closure part has the actual injector head 16, which forms a pointed, dome-shaped surface.
  • the injector head is connected via a connecting piece 31 with the pressure side of the pump.
  • a carriage 15 is further mounted linearly displaceable on which a capsule holder 5 is attached.
  • the capsule holder is mounted with its two stub axles 38, 38 'rotatably in the carriage.
  • the disc-shaped capsule holder is provided with an approximately conical cavity 6, which can accommodate a capsule.
  • a filter plate also provided with tips is arranged, wherein a derivative 18 can derive the resulting under the filter plate extract.
  • a pivoting lever 11 is also articulated on the support 10, specifically via a coupling 12, which is pivotably connected to the frame guide 35 on the support.
  • the coupling is connected via the coupling joint 34 pivotally connected to the actuating lever 11.
  • the end 33 of the pivot lever 11 is provided with guide pins 37, which are on the one hand articulated to the carriage 15 and which on the other hand engage in a straight guide 36 in the support 10.
  • a depression of the pivoting lever 11 obviously causes a linear displacement of the carriage 15 and thus also of the capsule holder 5 against the closure part 7.
  • the rotational movement of the capsule holder 5 is effected via a curve control not described here in detail, from which in Fig. 2, a control cam 40 and a control pin 41 are barely visible.
  • the control pin is seated on a control lever 42 (FIG. 5) which is placed on the axle stub 38. Via a spring element 43, which also sits on the stub axle 38, the capsule holder 5 is biased in the receiving position.
  • a locking pin 45 is laterally arranged on the capsule holder, which cooperates with a pawl 44 on the support 10.
  • the pawl 44 is initially overrun when starting the closed position, but then rests against the locking pin 45 and thus causes the further retraction of the carriage 15 against the biasing force of the spring element 43 further rotation until the spring element is relaxed and returns the capsule holder back into the receiving position ,
  • FIGS. 6a to 6c show the closing movement of the pivoting lever 11 in different sequences.
  • the pivot lever assumes a position of 30 ° to the longitudinal central axis 39 of the module.
  • the cavity 6 of the capsule holder 5 has already covered a rotary motion, and the longitudinal axis 8 of the cavity is inclined to the longitudinal central axis 39 by 12.8 °.
  • the control pin 41 has already covered most of the curved portion of the control cam 40.
  • the guide pin 37 has covered a little more than half of the way in the straight guide 36.
  • the angle between the actuating lever 11 and the longitudinal central axis 39 is only 15 °.
  • the longitudinal axis 8 of the cavity 8 now practically coincides with the longitudinal central axis 39 the module together, and the capsule holder 5 is immediately in front of the closure part. 7
  • the pivoting lever 11 also extends in the longitudinal central axis 39, and the control bolt 41 has traveled the control cam 40 completely.
  • the capsule holder 5 has now reached the closure part 7, whereby the actual extraction chamber 4 is formed.
  • Figures 7 and 8 show the closed position B in more detail. Since a pressure of more than 10 bar builds up in the extraction chamber 4 during the extraction process, it must be ensured that this pressure can not reverse the lever mechanism. For this purpose, the pivot lever 11 must exceed the dead center and cover an additional locking angle Y.
  • the tips 19 of the injector head 16 in the closed position push the cover film of the capsule (not shown here), and the brewing water is introduced into the capsule through the connecting openings 31 through the openings thus formed ,
  • the tips 19 'on the filter plate 17 to the bottom of the capsule and the extract is discharged through the discharge line 18.
  • Figures 9 and 10 show the achievement of the ejection position C during pivoting back of the pivot lever 11. This position is achieved at an inclination of the pivot lever of 32.5 ° to the longitudinal central axis 39.
  • the hinged to the guide pin 37 slide 15 has already moved back again, and the capsule holder 5 has rotated further to the longitudinal central axis 39 by an angle of 57 °.
  • This rotation in the same sense of rotation despite rever- sierender slide movement is achieved in that the Locking pin bears laterally against the pawl 44, which was run over during the forward movement of the carriage.
  • the spring element 43 ensures that the capsule holder 5 is returned to the receiving position A shown in Fig. 4 again.
  • the capsule holder 5 is not stored in the carriage 15, but directly in the support 10, on the side of the stub axle 38 'directly in the frame outer wall and on the side of the stub axle 38 on an inside lying wall section.
  • the pivot lever 11 is hinged at its end 33 directly to the support 10.
  • the coupling 12 engages with its guide pin 37 articulated in the carriage 15, wherein the guide pins are guided in the straight guide 36.
  • the holding block 30 is fixed to the closure part 7.
  • a depression of the pivoting lever 11 obviously causes a displacement of the carriage 15 against the capsule holder 5.
  • the pivotal movement of the capsule holder is in turn carried out via a control pin 41, which, however, in contrast to the previous embodiment engages in a control cam 40 which is associated with the carriage 15.
  • the further rotation of the capsule holder 5 from the closed position to the ejection position is achieved in a similar manner with a pawl 44 and a locking pin 45, as in the previous embodiment.
  • FIGS. 15a to 15c again show individual sequences of the device when the pivoting lever 11 is pressed down, namely at an angle of 30 °, 15 ° and 0 ° to the longitudinal central axis 39. It can be clearly seen how the closure part 7 bears against itself rotating capsule holder 5 moves until the end again the extraction chamber is closed.
  • FIGS. 16 and 17 show the device in the closed position B in a manner analogous to FIGS. 7 and 8.
  • the cooperation of the closure part 7 and the capsule holder 5 is completely identical, with only other relative movements being carried out until the extraction chamber 4 is closed.
  • FIGS. 18 and 19 show the device in the ejection position C, closure element 7 and capsule holder 5 in the ejection position being located somewhat closer to one another here.
  • FIGS. 20 and 21 show purely schematically a third embodiment of the device, in which both the closure part 7 and the capsule holder 5 are displaceable relative to one another, so that these components move towards each other when closing the extraction chamber in the support 10.
  • Such a movement could be achieved, for example, as shown in FIG. 22 via a gear with counter-rotating racks 46, 46 ', which mesh with a common pinion 47.
  • the pinion could be driven directly or indirectly via the pivot lever 11.
  • FIGS. 23 to 30 show a further embodiment of the device in which, analogously to FIG. 2, the capsule holder 5 on the carriage 15 is displaceable against the fixed closure part.
  • the pivotal movement of the capsule holder is controlled by a closed cam, each slide movement is associated with a separate control track.
  • control plate 48 which is arranged on one side on the support 10 and which has a closed control path 49 on the inside.
  • the inside of this closed control path is formed by a control switch 50, which has a switch tip 52 and which is mounted so pivotable about a pin joint 51 under spring bias that the switch point 52 always closes the lower track section 54.
  • the upper track section 55 merges with the lower track section 54 to form a straight section 53.
  • the control pin 41 disposed on the capsule holder 5 picks up the entire control track 49 in the course of the reciprocation of the carriage 15.
  • the receiving position A is shown.
  • the carriage 15 is in its initial position, which he occupies before the pivot lever 11 is actuated.
  • the control pin 41 is in its home position, at which the lower track section 54 and the upper track section 55 unite.
  • the control switch 50 is pretensioned in a clockwise direction.
  • the control pin 41 moves the lower track section 54 away, passing over the closed switch at the point 52, so that it penetrates into the straight section 53.
  • FIGS. 27 and 28 show the closed position B with fully advanced carriage and with closed extraction chamber 4.
  • the control pin 41 is at the end of the straight section 53rd When pivoting the pivot lever 11 of the control pin 41 moves in the straight section 53 back to the tip of the switch 52 and is deflected there in the upper track section 55.
  • Figures 29 and 30 show the ejection position C with the control pin 41 in the zenith of the upper track portion 55. Until reaching this position, the capsule holder 5 is further rotated in the same direction of rotation until it reaches the maximum ejection position. In the further pivotal movement of the pivot lever 11 upwards the capsule holder 5 reverses its rotational movement until the control pin 41 has again reached its initial position.
  • the capsule holder 5 for example made of plastic material, is clamped between two side cheeks 28, for example made of metal.
  • carriage guide 56 which extends parallel to the straight guide 36 for the guide pin 37 and in which a carriage guide pin 57 is guided. For a precise guidance of the carriage 15 is ensured.

Abstract

The invention relates to a device for extracting an extraction product, for example, coffee, which is contained in a capsule. Said device comprises two chamber parts which can be pressed against each other in a sealing manner in order to form an extraction chamber (4), in addition to means which are used to penetrate the capsule and to guide the extraction agent through the closed extraction chamber. One chamber part is embodied as a capsule holder comprising a cavity which is used to receive a capsule and the other chamber part is embodied as a closing part (7) which is used to close the cavity. The capsule holder can be pivoted by a manual or motor-driven drive in said sequence, between a receiving position (A) which is used to receive the capsule, a closing position which is used to close the cavity, an ejection position (C) which is used to eject the capsule and back to the receiving position (A). Also, the capsule holder covers a pivotable angle of more than 90° between the receiving position (A) and the ejection position (C).

Description

Vorrichtung zum Extrahieren eines in einer Kapsel enthaltenen Extraktionsgutes mit einem flüssigen ExtraktionsmittelDevice for extracting an extraction material contained in a capsule with a liquid extractant
Die Erfindung betrifft eine Vorrichtung zum Extrahieren eines in einer Kapsel enthaltenen Extraktionsgutes mit einem flüssigen Extraktionsmittel gemäss dem Oberbegriff von Anspruch 1. Derartige Vorrichtungen haben sich vor allem für die Zubereitung von Getränken wie z. B. Kaffee, Tee oder Kakao durchgesetzt, wobei die Trockensubstanz jeweils als Einzelportion in einer Kapsel eingeschlossen ist.The invention relates to a device for extracting an extraction material contained in a capsule with a liquid extractant according to the preamble of claim 1. Such devices have been used primarily for the preparation of beverages such. As coffee, tea or cocoa enforced, the dry matter is included as a single serving in a capsule.
Durch die WO 2005/004683 ist eine gattungsmässig vergleichbare Vorrichtung bekannt geworden, bei welcher die Kapsel in eine Zwischenposition zwischen dem Kapselhalter und dem Verschlussteil eingeführt und dort fixiert wird. Anschliessend wir die Extraktionskammer geschlossen, und der Extraktionsvorgang kann beginnen. Beim Wiederöffnen der Extraktionskammer fällt die Kapsel ebenfalls unter Schwerkrafteinwirkung nach unten. Ein Problem bei dieser Vorrichtung besteht darin, dass die Mittel zum Halten der Kapsel in der Zwischenposition weder das Schliessen der Extraktskammer noch das spätere Herausfallen der Kapsel behindern dürfen. Abgesehen davon ist bei unsorgfältiger Handhabung nicht immer gewährleistet, dass die Kapsel präzise in der Zwischenposition gehalten ist. Die Kapsel muss nämlich von der aufrechten Lage, in der sie verpackt ist, um 90° in eine horizontale Lage gedreht werden.By WO 2005/004683 a generic comparable device has become known, in which the capsule is inserted into an intermediate position between the capsule holder and the closure part and fixed there. Then we close the extraction chamber and the extraction process can begin. When reopening the extraction chamber, the capsule also falls down under the action of gravity. A problem with this device is that the means for holding the capsule in the intermediate position must not hinder the closing of the extract chamber nor the subsequent falling out of the capsule. Apart from that, careless handling does not always guarantee that the capsule is held precisely in the intermediate position. Namely, the capsule has to be rotated by 90 ° into a horizontal position from the upright position in which it is packed.
Es ist daher eine Aufgabe der Erfindung, eine Vorrichtung der eingangs genannten Art zu schaffen, deren Funktionalität und Handhabung erleichtert wird. Die Kapsel soll dabei weitgehend in der gleichen Lage in die Vorrichtung eingegeben werden können, wie sie der Packung entnommen wird, und das provisorische Fest- halten der Kapsel in einer Zwischenposition vor dem Schliessen der Extraktionskammer soll ganz entfallen. Ausserdem soll ein kompaktes Modul geschaffen werden, das in unterschiedlichen Geräten und weitgehend lageunabhängig eingebaut werden kann. Diese Aufgabe wird erfindungsgemäss mit einer Vorrichtung gelöst, welche die Merkmale im Anspruch 1 aufweist.It is therefore an object of the invention to provide a device of the type mentioned, whose functionality and handling is facilitated. The capsule should be able to be largely entered in the same position in the device as it is taken from the pack, and the provisional Fest- Keep the capsule in an intermediate position before closing the extraction chamber should be completely eliminated. In addition, a compact module is to be created, which can be installed in different devices and largely independent of location. This object is achieved according to the invention with a device having the features in claim 1.
Die schwenkbare Anordnung des Kapselhalters erlaubt es, den Schliessvorgang praktisch in jeder beliebigen Lage durchzuführen. Die Aufnahmestellung kann dabei immer so gewählt werden, dass die Kapsel etwa vertikal von oben nach unten in die Kavität des Kapselhalters eingelegt werden kann, also in der gleichen Position, wie die Kapsel der Packung entnommen wird. Ein Festhalten in einer Zwischenposition erübrigt sich, weil die Kapsel bereits in einer Lage in den Kapselhalter eingeführt ist, die sie auch später beim Extraktionsvorgang einnimmt. Durch das Schwenken in die AuswurfStellung unter einem Winkel von mehr als 90° nach dem Wiederöffnen der Extraktionskammer ist gewährleistet, dass die Kapsel ohne Hilfsmittel lediglich durch ihr Eigengewicht nach unten fällt. Vorzugsweise führt der Kapselhalter eine gesamte Schwenkbewegung von gegen 180° aus.The pivotal arrangement of the capsule holder allows to perform the closing practically in any position. The receiving position can always be chosen so that the capsule can be placed approximately vertically from top to bottom in the cavity of the capsule holder, ie in the same position as the capsule is removed from the pack. A holding in an intermediate position is unnecessary because the capsule is already introduced in a position in the capsule holder, which also occupies it later in the extraction process. By pivoting in the ejection position at an angle of more than 90 ° after reopening the extraction chamber ensures that the capsule falls without aids only by their own weight down. Preferably, the capsule holder performs a total pivotal movement of about 180 °.
Die relative Schliessbewegung zwischen Kapselhalter und Verschlussteil kann je nach Anwendungszweck auf unterschiedliche Weise realisiert werden. Eine Möglichkeit besteht darin, dass der Kapselhalter nur schwenkbar und das Verschlussteil nur verschiebbar gelagert ist und dass das Verschlussteil zwischen der Aufnahmestellung und der Schliessstellung gegen den Kapselhalter und zwischen der Schliessstellung und der AuswurfStellung vom Kapselhalter weg insbesondere linear verschiebbar ist. Diese Lösung hat den Vorteil, dass der Kapselhalter lediglich über ein entsprechendes Getriebe gedreht werden muss und dass keine zusätzlichen Mittel erforderlich sind, um ihn auch noch zu ver- schieben.The relative closing movement between capsule holder and closure part can be realized in different ways depending on the application. One possibility is that the capsule holder is only pivotable and the closure part is slidably mounted and that the closure part between the receiving position and the closed position against the capsule holder and between the closed position and the ejection position away from the capsule holder is in particular linearly displaceable. This solution has the advantage that the capsule holder only has to be rotated by means of a corresponding gear and that no additional means are required in order to prevent it from being damaged. slide.
Eine andere Möglichkeit besteht darin, dass der Kapselhalter schwenkbar und verschiebbar und das Verschlussteil verschiebbar gelagert ist und dass der Kapselhalter und das Verschlussteil zwischen der Aufnahmestellung und der Schliessstellung insbesondere linear aufeinander zu und zwischen der Schliessstellung und der AuswurfStellung insbesondere linear voneinander weg verschiebbar sind. Bei dieser Lösung müssen Verschlussteil und Kapselhalter für sich allein nur relativ kurze Wegstrecken zurücklegen, was aus getriebetechnischen Gründen vorteilhaft sein kann .Another possibility is that the capsule holder is pivotable and displaceable and the closure part is displaceably mounted and that the capsule holder and the closure part between the receiving position and the closed position in particular linearly towards each other and between the closed position and the ejection position are in particular linearly displaced away from each other. In this solution, closure part and capsule holder have to cover only relatively short distances on their own, which may be advantageous for transmission reasons.
Schliesslich besteht eine weitere Lösung aber auch darin, dass der Kapselhalter schwenkbar und verschiebbar und das Verschlussteil fest gelagert ist und dass der Kapselhalter zwischen der Aufnahmestellung und der Schliessstellung gegen das Verschlussteil und zwischen der Schliessstellung und der AuswurfStellung vom Verschlussteil weg insbesondere linear verschiebbar ist. Diese Lösung ist besonders dann vorteilhaft, wenn beispielsweise heisses Wasser unter Druck von der Seite des Verschlussteils her in die Kapsel eingespritzt wird. Durch die feste Anordnung des Verschlussteils wird vermieden, dass flexible Druckleitungen angeordnet werden müssen.Finally, another solution is also that the capsule holder is pivotally and displaceably and the closure part is fixedly mounted and that the capsule holder between the receiving position and the closed position against the closure part and between the closed position and the ejection position away from the closure part in particular linearly displaceable. This solution is particularly advantageous if, for example, hot water is injected under pressure from the side of the closure part into the capsule. The fixed arrangement of the closure part avoids that flexible pressure lines must be arranged.
Die Relativverschiebung zwischen Verschlussteil und Kapselhalter erfolgt vorteilhaft auf einer linearen Vorschubbahn. Es wäre aber je nach Anwendungsfall ohne weiteres möglich, dass dabei eine Kurvenbahn zurückgelegt wird.The relative displacement between the closure part and capsule holder is advantageously carried out on a linear feed path. However, depending on the application, it would be readily possible for a curved path to be covered.
Der Schwenkwinkel zwischen der Aufnahmestellung und der Schliessstellung beträgt vorteilhaft mehr als 60°, vorzugsweise zwischen 60° und 80°. Auf diese Weise ist gewährleistet, dass der Einführbereich für die Kapsel über der Kavität völlig frei liegt. Anderseits beträgt der Schwenkwinkel zwischen der Schliessstellung und der AuswurfStellung mehr als 20°, vorzugsweise zwischen 20° und 60°. Ein ausreichender Winkel ist hier ebenfalls erforderlich, damit die Kapsel frei nach unten fallen kann .The pivoting angle between the receiving position and the closed position is advantageously more than 60 °, preferably between 60 ° and 80 °. In this way it is ensured that the insertion area for the capsule above the cavity completely free lies. On the other hand, the pivot angle between the closed position and the ejection position is more than 20 °, preferably between 20 ° and 60 °. A sufficient angle is also required here so that the capsule can fall freely down.
Die Kavität im Kapselhalter erstreckt sich vorteilhaft über eine Längsachse, die in der Schliessstellung zur Horizontalen um einen Winkel von 0° bis 30° geneigt ist. Diese Achse fällt dabei mit der Verschiebeachse zwischen Verschlussteil und Kapselhalter zusammen, so dass die Kapsel nicht horizontal, sondern in einer Schräglage extrahiert wird sowie optimal eingelegt werden kann.The cavity in the capsule holder advantageously extends over a longitudinal axis, which is inclined in the closed position to the horizontal by an angle of 0 ° to 30 °. This axis coincides with the displacement axis between the closure part and capsule holder, so that the capsule is not extracted horizontally, but in an inclined position and can be inserted optimally.
Kapselhalter und Verschlussteil sind vorteilhaft in einem Support gelagert, wobei die Schliessbewegung und die Öffnungsbewegung zwischen den beiden Teilen bzw. die Schwenkbewegung des Kapselhalters über einen am Support angeordneten Betätigungshebel ausführbar sind. Der Betätigungshebel ist dabei vorteilhaft als Schwenkhebel ausgebildet. Anstelle des Betätigungshebels könnte natürlich auch ein motorischer Antrieb treten.Capsule holder and closure part are advantageously mounted in a support, wherein the closing movement and the opening movement between the two parts or the pivoting movement of the capsule holder are executable via an operating lever arranged on the support. The actuating lever is advantageously designed as a pivot lever. Of course, instead of the actuating lever could also be a motor drive.
Bei der Variante mit beweglichem Verschlussteil ist der Schwenkhebel vorteilhaft unmittelbar am Support angelenkt, wobei er über eine Koppel in Wirkverbindung steht mit einem geführten Schlitten, an dem das Verschlussteil angeordnet ist. So kann auf einfache Weise die Schwenkbewegung in eine Linearbewegung umgewandelt werden.In the variant with a movable closure part of the pivot lever is advantageously articulated directly on the support, wherein it is operatively connected via a coupling with a guided carriage on which the closure part is arranged. Thus, the pivoting movement can be converted into a linear movement in a simple manner.
Bei der Variante mit verschiebbarem Kapselhalter kann der Schwenkhebel aber auch über eine Koppel am Support angelenkt sein, wobei das Ende des Schwenkhebels in Wirkverbindung steht mit einem geführten Schlitten, an dem der Kapselhalter angeordnet ist. Die Schwenkbewegung des Kapselhalters selbst kann auf unterschiedliche Weise ausgeführt werden. Da der Kapselhalter für den eigentlichen Schliessvorgang keine Drehbewegung mehr ausführen darf, und da er beim Reversieren des Betätigungshebels sich noch weiter drehen muss, verläuft die Bewegung des Schwenkhebels und des Kapselhalters nicht gleichsinnig bzw. nicht simultan. Für die Ausführung derartiger Bewegungen eignen sich verschiedene Getriebetypen mit ungleichförmigen Bewegungen wie z. B. Sperrgetriebe (Malteserkreuzgetriebe) oder Kurvengetriebe. Besonders vorteilhaft wird denn auch die Schwenkbewegung des Kapselhalters über eine zwischen Support und Kapselhalter wirkende Kurvensteuerung gesteuert. Für das zuverlässige Anfahren der Aufnahmestellung kann der Kapselhalter zusätzlich mittels eines Federelements in die Aufnahmestellung vorgespannt sein.In the variant with displaceable capsule holder, however, the pivoting lever can also be articulated to the support via a coupling, with the end of the pivoting lever being in operative connection with a guided carriage on which the capsule holder is arranged. The pivotal movement of the capsule holder itself can be carried out in different ways. Since the capsule holder is no longer allowed to perform any rotational movement for the actual closing process, and since it must turn even further when reversing the actuating lever, the movement of the pivoting lever and the capsule holder does not run in the same direction or not simultaneously. For the execution of such movements, various types of gear with non-uniform movements such. B. lock gear (Maltese cross gear) or cam gear. Especially advantageous is the pivotal movement of the capsule holder is controlled by acting between support and capsule holder curve control. For the reliable start of the receiving position of the capsule holder may be additionally biased by a spring element in the receiving position.
Das Verschlussteil ist vorteilhaft als Injektor ausgebildet, mit dem die Kapsel in der Schliessstellung penetrierbar und Extraktionsmittel in die Kapsel einführbar ist. Dabei kann am Boden der Kavität eine Filterplatte angeordnet sein, mit der die Kapsel in der Schliessstellung penetrierbar ist, wobei unter der Filterplatte eine Ableitung zum Ableiten des Extrakts im Kapselhalter angeordnet ist. Eine derartige Extraktionskammer ist beispielsweise durch die EP 1 500 357 bekannt geworden. Die einzelnen konstruktiven Details und die Wirkungsweise einer derartigen Extraktionskammer werden daher als bekannt vorausgesetzt und hier nicht weiter beschrieben.The closure part is advantageously designed as an injector with which the capsule can be penetrated in the closed position and extraction agent can be introduced into the capsule. In this case, a filter plate can be arranged at the bottom of the cavity, with which the capsule is penetratable in the closed position, wherein a derivative for discharging the extract is arranged in the capsule holder under the filter plate. Such an extraction chamber has become known, for example, from EP 1 500 357. The individual design details and the mode of action of such an extraction chamber are therefore assumed to be known and will not be described further here.
Die Steuerung des Kapselhalters wird besonders vorteilhaft dadurch gelöst, dass die Kurvensteuerung eine geschlossene Steuerbahn mit wenigstens zwei Bahnabschnitten aufweist, wobei mittels einer Steuerweiche beim Schliessen bzw. beim Öffnen der Extraktionskammer unterschiedliche Bahnabschnitte abgreifbar sind. Mit einer derartigen Steuerbahn ist es auf einfache Weise möglich, die Schliessbewegung und die Öffnungsbewegung sehr präzise in eine Schwenkbewegung am Kapselhalter umzuwandeln. Die Weiche wird dabei beim Schliessen der Extraktionskammer überfahren, so dass beim Öffnen der Extraktionskammer eine andere Steuerkurve abgetastet wird als beim Schliessen, bis zuletzt wieder die gleiche Ausgangsposition erreicht wird.The control of the capsule holder is particularly advantageously achieved in that the cam control has a closed control track with at least two track sections, wherein by means of a control gate when closing or when opening the extraction chamber different track sections can be tapped. With Such a control track, it is easily possible to convert the closing movement and the opening movement very precisely in a pivoting movement on the capsule holder. The switch is run over when closing the extraction chamber, so that when you open the extraction chamber another cam is scanned than when closing, until the last return to the same starting position is reached.
Weitere Vorteile und Einzelmerkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen und aus den Zeichnungen. Es zeigen:Further advantages and individual features of the invention will become apparent from the following description of exemplary embodiments and from the drawings. Show it:
Fig. 1 die schematische Darstellung einer Kaffeemaschine mit einer erfindungsgemässen Vorrichtung,1 is a schematic representation of a coffee machine with a device according to the invention,
Fig. 2 eine perspektivische Darstellung einer ersten Variante der Vorrichtung mit schwenkbarem und verschiebbarem Kapselhalter,2 shows a perspective view of a first variant of the device with pivotable and displaceable capsule holder,
Fig. 3 eine Draufsicht auf die Vorrichtung gemäss Fig. 2,3 is a plan view of the device according to FIG. 2,
Fig. 4 einen Querschnitt durch die Ebene I - I in Fig. 3,4 shows a cross section through the plane I - I in Fig. 3,
Fig. 5 einen Querschnitt durch die Ebene II - II in Fig. 45 shows a cross section through the plane II - II in Fig. 4th
Fig. 6a, den Schliessvorgang der Extraktionskammer an der Vor- 6b, 6c richtung gemäss Fig. 2 in verschiedenen Sequenzen,6a, the closing process of the extraction chamber at the front 6b, 6c direction according to FIG. 2 in different sequences,
Fig. 7 einen Querschnitt durch die Ebene I - I gemäss Fig. 3 in der Schliessstellung,7 shows a cross section through the plane I - I according to FIG. 3 in the closed position, FIG.
Fig. 8 einen Querschnitt durch die Ebene III - III gemäss Fig. 7, Fig. 9 einen Querschnitt durch die Ebene I - I gemäss Fig. 3 in der AuswurfStellung, Fig. 10 einen Querschnitt durch die Ebene IV - IV gemäss Fig.8 shows a cross section through the plane III - III according to FIG. 7, 9 shows a cross section through the plane I - I according to FIG. 3 in the ejection position, FIG. 10 shows a cross section through the plane IV - IV according to FIG.
9,9
Fig. 11 eine perspektivische Darstellung einer zweiten Ausführungsform der Vorrichtung mit verschiebbarem Verschlussteil,11 is a perspective view of a second embodiment of the device with sliding closure member,
Fig. 12 eine Draufsicht auf die Vorrichtung gemäss Fig. 11,12 is a plan view of the device according to FIG. 11,
Fig. 13 einen Querschnitt durch die Ebene V - V gemäss Fig. 12,13 shows a cross section through the plane V - V according to FIG. 12,
Fig. 14 einen Querschnitt durch die Ebene VI - VI gemäss Fig. 13,14 shows a cross section through the plane VI - VI according to FIG. 13,
Fig. 15a den Schliessvorgang der Extraktionskammer an der Vor- 15b, 15c richtung gemäss Fig. 11 in verschiedenen Sequenzen,15a shows the closing process of the extraction chamber at the front 15b, 15c direction according to FIG. 11 in different sequences, FIG.
Fig. 16 einen Querschnitt durch die Ebene V - V gemäss Fig. 12 in der Schliessstellung16 shows a cross section through the plane V - V according to FIG. 12 in the closed position
Fig. 17 einen Querschnitt durch die Ebene VII - VII gemäss Fig. 1617 shows a cross section through the plane VII - VII according to FIG. 16
Fig. 18 einen Querschnitt durch die Ebene V - V gemäss Fig. 12 in der AuswurfStellung,18 shows a cross section through the plane V - V according to FIG. 12 in the ejection position, FIG.
Fig. 19 einen Querschnitt durch die Ebene VIII - VIII gemäss Fig. 18, Fig. 20 eine schematische Darstellung einer dritten Ausführungsform der Vorrichtung mit verschiebbarem Kapselhalter und verschiebbarem Verschlussteil in geöffnetem Zustand,19 is a cross section through the plane VIII - VIII of FIG. 18, 20 shows a schematic representation of a third embodiment of the device with displaceable capsule holder and displaceable closure part in the opened state,
Fig. 21 die Vorrichtung gemäss Fig. 20 in der Schliessstellung, Fig. 22 die schematische Darstellung eines Getriebes für die Vorrichtung gemäss Fig. 20FIG. 21 shows the device according to FIG. 20 in the closed position, FIG. 22 shows the schematic illustration of a gearbox for the device according to FIG. 20
Fig. 23 eine perspektivische Darstellung einer Vorrichtung analog zu Fig. 2, jedoch mit alternativer Kurvensteuerung für den Kapselhalter,FIG. 23 shows a perspective illustration of a device analogous to FIG. 2, but with alternative cam control for the capsule holder, FIG.
Fig. 24 eine perspektivische Innenansicht auf die Steuerkurve an der Vorrichtung gemäss Fig. 23,FIG. 24 shows a perspective inside view of the control cam on the device according to FIG. 23, FIG.
Fig. 25 einen Schnitt durch die Ebene VIII - VIII gemäss Fig. 23 in der Aufnahmestellung,FIG. 25 shows a section through the plane VIII-VIII according to FIG. 23 in the receiving position, FIG.
Fig. 26 einen Schnitt durch die Ebene IX - IX gemäss Fig. 25 (zum besseren Verständnis gewendet) ,FIG. 26 shows a section through the plane IX-IX according to FIG. 25 (turned up for a better understanding), FIG.
Fig. 27 einen Schnitt durch die Ebene VIII - VIII gemäss Fig. 23 in der Schliessstellung,27 shows a section through the plane VIII - VIII according to FIG. 23 in the closed position, FIG.
Fig. 28 einen Schnitt durch die Ebene X - X gemäss Fig. 27 (zum besseren Verständnis gewendet) ,FIG. 28 shows a section through the plane X - X according to FIG. 27 (turned for better understanding), FIG.
Fig. 29 einen Schnitt durch die Ebene VIII - VIII gemäss Fig. 23 in der AuswurfStellung undFig. 29 is a section through the plane VIII - VIII according to FIG. 23 in the ejection position and
Fig. 30 einen Schnitt durch die Ebene XI - XI gemäss Fig. 29 (zum besseren Verständnis gewendet) In Fig. 1 ist eine Brühvorrichtung, beispielsweise eine Kaffeemaschine 2 dargestellt, in welcher eine erfindungsgemässe Vorrichtung als Modul 1 eingebaut ist. Mit einer derartigen Vorrichtung kann der Inhalt einer Kapsel 3 extrahiert werden, wobei es sich nicht nur um Kaffee, sondern auch um Tee, oder um Kakao handeln kann. Selbstverständlich ist die erfindungsgemässe Vorrichtung aber nicht auf die Verwendung in derartigen Brühvorrichtungen zum Herstellen von Getränken beschränkt. Denkbar wäre auch ein Einsatz für chemisch/wissenschaftliche Extraktionsgeräte, beispielsweise zum Extrahieren von Proben, die zu Konservierungszwecken vorher verkapselt worden sind.FIG. 30 shows a section through the plane XI - XI according to FIG. 29 (turned for better understanding) In Fig. 1, a brewing device, for example, a coffee machine 2 is shown, in which a device according to the invention is installed as a module 1. With such a device, the contents of a capsule 3 can be extracted, which can be not only coffee, but also tea, or cocoa. Of course, the device according to the invention is not limited to use in such brewing devices for the production of beverages. It would also be conceivable to use chemical / scientific extraction equipment, for example for extracting samples that have been previously encapsulated for preservation purposes.
Die Kaffeemaschine 2 verfügt auf an sich bekannte Weise über eine Verschalung 20, in welcher neben dem Modul 1 auch ein Wasserbehälter 21 und eine Pumpe 22 untergebracht sind. Das Wasser wird über eine Saugleitung 24 angesaugt und über eine Druckleitung 23 dem Modul 1 zugeführt. Eine nicht näher dargestellte Heizeinrichtung sorgt für die erforderliche Wassertemperatur bzw. für den nötigen Wasserdruck. Der fertige Kaffee fliesst über einen Ausguss 27 in eine bereitgestellte Tasse 26. Innerhalb der Verschalung kann auch ein Auffangbehälter 25 für verbrauchte Kapseln angeordnet sein. Für die Kaffeezubereitung wird eine Kapsel 3 in aufrechter Lage in den Kapselhalter 5 des Moduls 1 eingelegt. Anschliessend wird der Schwenkhebel 11 nach unten geschwenkt, wobei die Schliess- stellung erreicht wird. In dieser Position wird die Pumpe betätigt, wobei dies über einen separaten Schalter oder automatisch über einen Sensor erfolgen kann. Nach dem Extraktionsvorgang wird der Schwenkhebel 11 wieder nach oben geschwenkt, wobei der Kapselhalter 5 zunächst in die AuswurfStellung weiterdreht, so dass die extrahierte Kapsel in den Auffangbehälter 25 fällt. Einzelheiten des Moduls 1 werden nachstehend beschrieben. Konstruktive Einzelheiten einer ersten Ausführungsform der Erfindung ergeben sich aus Fig. 2 in Kombination mit den Fig. 3 bis 5. In einem Support 10 ist auf einer Stirnseite mit Hilfe von Befestigungsschrauben 32 ein Halteblock 30 fest gelagert, an dem ein Verschlussteil 7 befestigt ist. Dieses Verschlussteil weist den eigentlichen Injektorkopf 16 auf, der eine mit Spitzen versehene, kalottenförmige Oberfläche bildet. Der Injektorkopf ist über einen Anschlussstutzen 31 mit der Druckseite der Pumpe verbunden .The coffee machine 2 has a known manner on a casing 20, in which in addition to the module 1, a water tank 21 and a pump 22 are housed. The water is sucked in via a suction line 24 and fed to the module 1 via a pressure line 23. A heater not shown ensures the required water temperature and for the necessary water pressure. The finished coffee flows through a spout 27 into a cup 26 provided. Within the casing, a collecting container 25 for used capsules can also be arranged. For the coffee preparation, a capsule 3 is inserted in an upright position in the capsule holder 5 of the module 1. Subsequently, the pivot lever 11 is pivoted downward, wherein the closed position is reached. In this position, the pump is actuated, this can be done via a separate switch or automatically via a sensor. After the extraction process, the pivot lever 11 is pivoted back upwards, wherein the capsule holder 5 further rotates first into the ejection position, so that the extracted capsule falls into the collecting container 25. Details of the module 1 will be described below. Constructive details of a first embodiment of the invention will become apparent from Fig. 2 in combination with Figs. 3 to 5. In a support 10 is fixedly mounted on a front side by means of fastening screws 32, a holding block 30 to which a closure member 7 is attached. This closure part has the actual injector head 16, which forms a pointed, dome-shaped surface. The injector head is connected via a connecting piece 31 with the pressure side of the pump.
Im Support 10 ist ferner ein Schlitten 15 linear verschiebbar gelagert, an dem ein Kapselhalter 5 befestigt ist. Der Kapselhalter ist dabei mit seinen beiden Achsstummeln 38, 38' drehbar im Schlitten gelagert. Der scheibenartig ausgebildete Kapselhalter ist mit einer etwa konischen Kavität 6 versehen, welche eine Kapsel aufnehmen kann. Am Boden der Kavität ist eine ebenfalls mit Spitzen versehene Filterplatte angeordnet, wobei eine Ableitung 18 den unter der Filterplatte anfallenden Extrakt ableiten kann .In the support 10, a carriage 15 is further mounted linearly displaceable on which a capsule holder 5 is attached. The capsule holder is mounted with its two stub axles 38, 38 'rotatably in the carriage. The disc-shaped capsule holder is provided with an approximately conical cavity 6, which can accommodate a capsule. At the bottom of the cavity, a filter plate also provided with tips is arranged, wherein a derivative 18 can derive the resulting under the filter plate extract.
Schliesslich ist am Support 10 auch noch ein Schwenkhebel 11 angelenkt, und zwar über eine Koppel 12, welche an der Gestellan- lenkung 35 drehbar am Support angelenkt ist. Die Koppel ist über das Koppelgelenk 34 gelenkig mit dem Betätigungshebel 11 verbunden. Das Ende 33 des Schwenkhebels 11 ist mit Führungsbolzen 37 versehen, welche einerseits gelenkig mit dem Schlitten 15 verbunden sind und welche anderseits in eine Geradeführung 36 im Support 10 eingreifen. Ein Niederdrücken des Schwenkhebels 11 bewirkt ersichtlicherweise eine lineare Verschiebung des Schlittens 15 und damit auch des Kapselhalters 5 gegen das Verschlussteil 7. Die Drehbewegung des Kapselhalters 5 wird über eine hier nicht näher beschriebene Kurvensteuerung bewirkt, von welcher in Fig. 2 eine Steuerkurve 40 und ein Steuerbolzen 41 gerade noch sichtbar sind. Der Steuerbolzen sitzt auf einem Steuerhebel 42 (Fig. 5), der auf den Achsstummel 38 aufgesetzt ist. Über ein Federelement 43, das ebenfalls auf dem Achsstummel 38 sitzt, ist der Kapselhalter 5 in die Aufnahmestellung vorgespannt. Damit sich der Kapselhalter 5 beim Hochschwenken des Betätigungshebels 11 und damit beim Zurückziehen des Schlittens 15 zunächst im gleichen Drehsinn in die AuswurfStellung weiterdreht, ist am Kapselhalter seitlich ein Sperrbolzen 45 angeordnet, der mit einer Sperrklinke 44 am Support 10 zusammenwirkt. Die Sperrklinke 44 wird beim Anfahren der Schliessstellung zunächst überfahren, liegt aber anschliessend am Sperrbolzen 45 an und bewirkt so beim weiteren Zurückziehen des Schlittens 15 gegen die Vorspannkraft des Federelements 43 eine weitere Drehung, bis das Federelement entspannt wird und den Kapselhalter wieder in die Aufnahmestellung zurückführt.Finally, a pivoting lever 11 is also articulated on the support 10, specifically via a coupling 12, which is pivotably connected to the frame guide 35 on the support. The coupling is connected via the coupling joint 34 pivotally connected to the actuating lever 11. The end 33 of the pivot lever 11 is provided with guide pins 37, which are on the one hand articulated to the carriage 15 and which on the other hand engage in a straight guide 36 in the support 10. A depression of the pivoting lever 11 obviously causes a linear displacement of the carriage 15 and thus also of the capsule holder 5 against the closure part 7. The rotational movement of the capsule holder 5 is effected via a curve control not described here in detail, from which in Fig. 2, a control cam 40 and a control pin 41 are barely visible. The control pin is seated on a control lever 42 (FIG. 5) which is placed on the axle stub 38. Via a spring element 43, which also sits on the stub axle 38, the capsule holder 5 is biased in the receiving position. Thus, the capsule holder 5 further rotates during pivoting of the actuating lever 11 and thus upon retraction of the carriage 15 in the same direction of rotation in the ejection position, a locking pin 45 is laterally arranged on the capsule holder, which cooperates with a pawl 44 on the support 10. The pawl 44 is initially overrun when starting the closed position, but then rests against the locking pin 45 and thus causes the further retraction of the carriage 15 against the biasing force of the spring element 43 further rotation until the spring element is relaxed and returns the capsule holder back into the receiving position ,
In den Figuren 6a bis 6c ist die Schliessbewegung des Schwenkhebels 11 in verschiedenen Sequenzen dargestellt. Gemäss Fig. 6a nimmt der Schwenkhebel eine Position von 30° zur Längsmittelachse 39 des Moduls ein. Die Kavität 6 des Kapselhalters 5 hat dabei bereits eine Drehbewegung zurückgelegt, und die Längsachse 8 der Kavität ist zur Längsmittelachse 39 um 12.8° geneigt. Der Steuerbolzen 41 hat bereits den grössten Teil des gekrümmten Abschnitts der Steuerkurve 40 zurückgelegt. Der Führungsbolzen 37 hat etwas mehr als die Hälfte des Weges in der Geradeführung 36 zurückgelegt .FIGS. 6a to 6c show the closing movement of the pivoting lever 11 in different sequences. According to Fig. 6a, the pivot lever assumes a position of 30 ° to the longitudinal central axis 39 of the module. The cavity 6 of the capsule holder 5 has already covered a rotary motion, and the longitudinal axis 8 of the cavity is inclined to the longitudinal central axis 39 by 12.8 °. The control pin 41 has already covered most of the curved portion of the control cam 40. The guide pin 37 has covered a little more than half of the way in the straight guide 36.
Gemäss Fig. 6b beträgt der Winkel zwischen dem Betätigungshebel 11 und der Längsmittelachse 39 nur noch 15°. Die Längsachse 8 der Kavität 8 fällt jetzt praktisch mit der Längsmittelachse 39 des Moduls zusammen, und der Kapselhalter 5 steht unmittelbar vor dem Verschlussteil 7.According to FIG. 6b, the angle between the actuating lever 11 and the longitudinal central axis 39 is only 15 °. The longitudinal axis 8 of the cavity 8 now practically coincides with the longitudinal central axis 39 the module together, and the capsule holder 5 is immediately in front of the closure part. 7
Gemäss Fig. 6c verläuft auch der Schwenkhebel 11 in der Längsmittelachse 39, und der Steuerbolzen 41 hat die Steuerkurve 40 vollständig abgefahren. Der Kapselhalter 5 hat jetzt das Verschlussteil 7 erreicht, womit die eigentliche Extraktionskammer 4 gebildet wird.According to FIG. 6 c, the pivoting lever 11 also extends in the longitudinal central axis 39, and the control bolt 41 has traveled the control cam 40 completely. The capsule holder 5 has now reached the closure part 7, whereby the actual extraction chamber 4 is formed.
Die Figuren 7 und 8 zeigen die Schliessstellung B etwas detaillierter. Da sich beim Extraktionsprozess in der Extraktionskammer 4 ein Druck von über 10 bar aufbaut, muss sichergestellt werden, dass dieser Druck das Hebelgetriebe nicht reversieren kann. Zu diesem Zweck muss der Schwenkhebel 11 den Totpunkt überschreiten und einen zusätzlichen Sperrwinkel Y zurücklegen.Figures 7 and 8 show the closed position B in more detail. Since a pressure of more than 10 bar builds up in the extraction chamber 4 during the extraction process, it must be ensured that this pressure can not reverse the lever mechanism. For this purpose, the pivot lever 11 must exceed the dead center and cover an additional locking angle Y.
Wie in der eingangs erwähnten EP 1 500 357 beschrieben, penet- rieren die Spitzen 19 des Injektorkopfs 16 in der Schliessstellung die Deckelfolie der Kapsel (hier nicht dargestellt) , und durch die so entstandenen Öffnungen wird über den Anschlussstutzen 31 das Brühwasser in die Kapsel eingeführt. Beim so aufgebauten Druck in der Kapsel penetrieren die Spitzen 19' an der Filterplatte 17 den Boden der Kapsel, und der Extrakt wird durch die Ableitung 18 abgeführt.As described in the above-mentioned EP 1 500 357, the tips 19 of the injector head 16 in the closed position push the cover film of the capsule (not shown here), and the brewing water is introduced into the capsule through the connecting openings 31 through the openings thus formed , When so constructed pressure in the capsule penetrate the tips 19 'on the filter plate 17 to the bottom of the capsule, and the extract is discharged through the discharge line 18.
Die Figuren 9 und 10 zeigen das Erreichen der AuswurfStellung C beim Zurückschwenken des Schwenkhebels 11. Diese Stellung wird bei einer Neigung des Schwenkhebels von 32.5° zur Längsmittelachse 39 erreicht. Der an den Führungsbolzen 37 angelenkte Schlitten 15 ist bereits wieder zurückgefahren, und der Kapselhalter 5 hat sich zur Längsmittelachse 39 um einen Winkel von 57° weitergedreht. Diese Drehung im gleichen Drehsinn trotz re- versierender Schlittenbewegung wird dadurch erreicht, dass der Sperrbolzen seitlich an der Sperrklinke 44 anliegt, welche bei der Vorwärtsbewegung des Schlittens überfahren wurde. Beim weiteren Hochschwenken des Schwenkhebels 11 sorgt das Federelement 43 dafür, dass der Kapselhalter 5 wieder in die in Fig. 4 gezeigte Aufnahmestellung A zurückgeführt wird. Fig. 11 in Verbindung mit den Figuren 12 bis 14 zeigen eine zweite Variante der Vorrichtung, bei welcher der Kapselhalter 5 nur schwenkbar und das Verschlussteil verschiebbar angeordnet ist. Die gleichen Bauteile haben soweit möglich die gleichen Bezugszeichen wie beim vorhergehend beschriebenen Ausführungsbeispiel, und es werden nachstehend nur noch diejenigen Funktionen und Bauteile beschrieben, die sich vom vorhergehenden Ausführungsbeispiel unterscheiden.Figures 9 and 10 show the achievement of the ejection position C during pivoting back of the pivot lever 11. This position is achieved at an inclination of the pivot lever of 32.5 ° to the longitudinal central axis 39. The hinged to the guide pin 37 slide 15 has already moved back again, and the capsule holder 5 has rotated further to the longitudinal central axis 39 by an angle of 57 °. This rotation in the same sense of rotation despite rever- sierender slide movement is achieved in that the Locking pin bears laterally against the pawl 44, which was run over during the forward movement of the carriage. Upon further pivoting of the pivot lever 11, the spring element 43 ensures that the capsule holder 5 is returned to the receiving position A shown in Fig. 4 again. Fig. 11 in conjunction with Figures 12 to 14 show a second variant of the device in which the capsule holder 5 is only pivotally and the closure part is arranged displaceably. The same components have as far as possible the same reference numerals as in the previously described embodiment, and it will be described below only those functions and components that differ from the previous embodiment.
Wie insbesondere aus den Figuren 12 und 14 ersichtlich ist, wird der Kapselhalter 5 nicht im Schlitten 15, sondern direkt im Support 10 gelagert, und zwar auf der Seite des Achsstummels 38' direkt in der Gestellaussenwand und auf der Seite des Achsstummels 38 an einer innen liegenden Wandpartie.As can be seen in particular from Figures 12 and 14, the capsule holder 5 is not stored in the carriage 15, but directly in the support 10, on the side of the stub axle 38 'directly in the frame outer wall and on the side of the stub axle 38 on an inside lying wall section.
Der Schwenkhebel 11 ist dagegen an seinem Ende 33 direkt am Support 10 angelenkt. Die Koppel 12 greift mit ihren Führungsbolzen 37 gelenkig in den Schlitten 15, wobei die Führungsbolzen in der Geradeführung 36 geführt sind. Im Schlitten 15 ist der Halteblock 30 mit dem Verschlussteil 7 fixiert. Ein Niederdrücken des Schwenkhebels 11 bewirkt ersichtlicherweise eine Verschiebung des Schlittens 15 gegen den Kapselhalter 5.The pivot lever 11, however, is hinged at its end 33 directly to the support 10. The coupling 12 engages with its guide pin 37 articulated in the carriage 15, wherein the guide pins are guided in the straight guide 36. In the carriage 15, the holding block 30 is fixed to the closure part 7. A depression of the pivoting lever 11 obviously causes a displacement of the carriage 15 against the capsule holder 5.
Die Schwenkbewegung des Kapselhalters wird wiederum über einen Steuerbolzen 41 ausgeführt, der jedoch im Gegensatz zum vorhergehenden Ausführungsbeispiel in eine Steuerkurve 40 eingreift, welche dem Schlitten 15 zugeordnet ist. Die Weiterdrehung des Kapselhalters 5 von der Schliessstellung in die AuswurfStellung wird auf ähnliche Weise mit einer Sperrklinke 44 und einem Sperrbolzen 45 erreicht, wie im vorhergehenden Ausführungsbeispiel .The pivotal movement of the capsule holder is in turn carried out via a control pin 41, which, however, in contrast to the previous embodiment engages in a control cam 40 which is associated with the carriage 15. The further rotation of the capsule holder 5 from the closed position to the ejection position is achieved in a similar manner with a pawl 44 and a locking pin 45, as in the previous embodiment.
In den Figuren 15a bis 15c sind wiederum einzelne Sequenzen der Vorrichtung beim Niederdrücken des Schwenkhebels 11 dargestellt, und zwar in einem Winkel von 30°, 15° und 0° zur Längsmittelachse 39. Dabei ist gut ersichtlich, wie sich das Verschlussteil 7 gegen den sich drehenden Kapselhalter 5 bewegt, bis am Schluss wiederum die Extraktionskammer geschlossen ist.FIGS. 15a to 15c again show individual sequences of the device when the pivoting lever 11 is pressed down, namely at an angle of 30 °, 15 ° and 0 ° to the longitudinal central axis 39. It can be clearly seen how the closure part 7 bears against itself rotating capsule holder 5 moves until the end again the extraction chamber is closed.
Auf analoge Weise wie die Figuren 7 und 8 zeigen die Figuren 16 und 17 die Vorrichtung in der Schliessstellung B. Das Zusammenwirken von Verschlussteil 7 und Kapselhalter 5 ist dabei völlig identisch, wobei lediglich andere Relativbewegungen ausgeführt werden, bis die Extraktionskammer 4 geschlossen ist.FIGS. 16 and 17 show the device in the closed position B in a manner analogous to FIGS. 7 and 8. The cooperation of the closure part 7 and the capsule holder 5 is completely identical, with only other relative movements being carried out until the extraction chamber 4 is closed.
Ebenso analog zu den Figuren 9 und 10 zeigen die Figuren 18 und 19 die Vorrichtung in der AuswurfStellung C, wobei hier Verschlussteil 7 und Kapselhalter 5 in der Auswurfposition noch etwas näher beieinander liegen.Likewise to FIGS. 9 and 10, FIGS. 18 and 19 show the device in the ejection position C, closure element 7 and capsule holder 5 in the ejection position being located somewhat closer to one another here.
Die Figuren 20 und 21 zeigen rein schematisch eine dritte Ausführungsform der Vorrichtung, bei welcher sowohl das Verschlussteil 7 als auch der Kapselhalter 5 relativ zueinander verschiebbar sind, so dass sich diese Bauteile beim Schliessen der Extraktionskammer im Support 10 aufeinander zu bewegen. Eine derartige Bewegung könnte beispielsweise gemäss Fig. 22 über ein Getriebe mit gegenläufigen Zahnstangen 46, 46' erreicht werden, welche mit einem gemeinsamen Zahnritzel 47 kämmen. Das Zahnritzel könnte direkt oder indirekt über den Schwenkhebel 11 angetrieben werden. Die Figuren 23 bis 30 zeigen eine weitere Ausführungsform der Vorrichtung, bei welcher analog zu Fig. 2 der Kapselhalter 5 am Schlitten 15 gegen das feststehende Verschlussteil verschiebbar ist. Die Schwenkbewegung des Kapselhalters wird jedoch durch eine geschlossene Steuerkurve gesteuert, wobei jeder Schlittenbewegung eine separate Steuerbahn zugeordnet ist. Gemäss den Fig. 23 und 24 wird dies mit Hilfe einer Steuerplatte 48 erreicht, die auf einer Seite am Support 10 angeordnet ist und die auf der Innenseite eine geschlossene Steuerbahn 49 aufweist. Die Innenseite dieser geschlossenen Steuerbahn wird durch eine Steuerweiche 50 gebildet, die über eine Weichenspitze 52 verfügt und die um ein Bolzengelenk 51 unter Federvorspannung derart schwenkbar gelagert ist, dass die Weichenspitze 52 den unteren Bahnabschnitt 54 immer verschliesst . Der obere Bahnabschnitt 55 vereint sich mit dem unteren Bahnabschnitt 54 zu einem geraden Abschnitt 53. Der am Kapselhalter 5 angeordnete Steuerbolzen 41 greift im Verlaufe der Hin- und Herbewegung des Schlittens 15 die gesamte Steuerbahn 49 ab. In den Figuren 25 und 26 ist die Aufnahmestellung A dargestellt. Der Schlitten 15 steht dabei in seiner Ausgangsstellung, welche er einnimmt, bevor der Schwenkhebel 11 betätigt wird. Der Steuerbolzen 41 steht in seiner Grundposition, an der sich der untere Bahnabschnitt 54 und der obere Bahnabschnitt 55 vereinen. In der Abbildung gemäss Fig. 26 ist die Steuerweiche 50 im Uhrzeigersinn vorgespannt. Beim Niederdrücken des Schwenkhebels 11 fährt der Steuerbolzen 41 den unteren Bahnabschnitt 54 ab und überfährt dabei die geschlossene Weiche an der Weichenspitze 52, so dass er in den geraden Abschnitt 53 eindringt.FIGS. 20 and 21 show purely schematically a third embodiment of the device, in which both the closure part 7 and the capsule holder 5 are displaceable relative to one another, so that these components move towards each other when closing the extraction chamber in the support 10. Such a movement could be achieved, for example, as shown in FIG. 22 via a gear with counter-rotating racks 46, 46 ', which mesh with a common pinion 47. The pinion could be driven directly or indirectly via the pivot lever 11. FIGS. 23 to 30 show a further embodiment of the device in which, analogously to FIG. 2, the capsule holder 5 on the carriage 15 is displaceable against the fixed closure part. However, the pivotal movement of the capsule holder is controlled by a closed cam, each slide movement is associated with a separate control track. According to FIGS. 23 and 24, this is achieved by means of a control plate 48, which is arranged on one side on the support 10 and which has a closed control path 49 on the inside. The inside of this closed control path is formed by a control switch 50, which has a switch tip 52 and which is mounted so pivotable about a pin joint 51 under spring bias that the switch point 52 always closes the lower track section 54. The upper track section 55 merges with the lower track section 54 to form a straight section 53. The control pin 41 disposed on the capsule holder 5 picks up the entire control track 49 in the course of the reciprocation of the carriage 15. In Figures 25 and 26, the receiving position A is shown. The carriage 15 is in its initial position, which he occupies before the pivot lever 11 is actuated. The control pin 41 is in its home position, at which the lower track section 54 and the upper track section 55 unite. In the illustration according to FIG. 26, the control switch 50 is pretensioned in a clockwise direction. When the pivoting lever 11 is pressed down, the control pin 41 moves the lower track section 54 away, passing over the closed switch at the point 52, so that it penetrates into the straight section 53.
Diese Position ist in den Figuren 27 und 28 dargestellt. Diese Figuren zeigen die Schliessstellung B mit vollständig vorgezogenem Schlitten und mit geschlossener Extraktionskammer 4. Der Steuerbolzen 41 steht am Ende des geraden Abschnitts 53. Beim Hochschwenken des Schwenkhebels 11 fährt der Steuerbolzen 41 im geraden Abschnitt 53 wieder zurück bis zur Weichenspitze 52 und wird dort in den oberen Bahnabschnitt 55 umgelenkt.This position is shown in FIGS. 27 and 28. These figures show the closed position B with fully advanced carriage and with closed extraction chamber 4. The control pin 41 is at the end of the straight section 53rd When pivoting the pivot lever 11 of the control pin 41 moves in the straight section 53 back to the tip of the switch 52 and is deflected there in the upper track section 55.
Die Figuren 29 und 30 zeigen die AuswurfStellung C mit dem Steuerbolzen 41 im Zenit des oberen Bahnabschnitts 55. Bis zum Erreichen dieser Position wird der Kapselhalter 5 im gleichen Drehsinn weitergedreht, bis er die maximale AuswurfStellung erreicht. Bei der weiteren Schwenkbewegung des Schwenkhebels 11 nach oben reversiert der Kapselhalter 5 seine Drehbewegung, bis der Steuerbolzen 41 wieder seine Ausgangslage erreicht hat.Figures 29 and 30 show the ejection position C with the control pin 41 in the zenith of the upper track portion 55. Until reaching this position, the capsule holder 5 is further rotated in the same direction of rotation until it reaches the maximum ejection position. In the further pivotal movement of the pivot lever 11 upwards the capsule holder 5 reverses its rotational movement until the control pin 41 has again reached its initial position.
Schlittenkonstruktion und Hebelgetriebe beim Ausführungsbeispiel gemäss Fig. 23 sind im Übrigen weitgehend analog zu demjenigen gemäss Fig. 2. Gut sichtbar ist hier übrigens auch, dass der Kapselhalter 5 beispielsweise aus Kunststoffmaterial zwischen zwei Seitenwangen 28 beispielsweise aus Metall eingespannt ist.Incidentally, the capsule holder 5, for example made of plastic material, is clamped between two side cheeks 28, for example made of metal.
Ebenfalls gut sichtbar ist hier die Schlittenführung 56, die sich parallel zur Geradeführung 36 für den Führungsbolzen 37 erstreckt und in welcher ein Schlittenführungsbolzen 57 geführt ist. Damit wird eine präzise Führung des Schlittens 15 gewährleistet . Also clearly visible here is the carriage guide 56, which extends parallel to the straight guide 36 for the guide pin 37 and in which a carriage guide pin 57 is guided. For a precise guidance of the carriage 15 is ensured.

Claims

Patentansprüche claims
1. Vorrichtung (1) zum Extrahieren eines in einer Kapsel (3) enthaltenen Extraktionsgutes mit einem flüssigen Extraktionsmittel, bestehend aus zwei zur Bildung einer Extraktionskammer (4) dichtend gegeneinander pressbaren Kammerteilen, sowie mit Mitteln zum Penetrieren der Kapsel und zum Durchleiten des Extraktionsmittels durch die geschlossene Extraktionskammer, wobei ein Kammerteil als Kapselhalter1. Device (1) for extracting a contained in a capsule (3) extraction material with a liquid extractant consisting of two to form an extraction chamber (4) sealingly pressed against each other chamber parts, as well as means for penetrating the capsule and for passing the extractant through the closed extraction chamber, with a chamber part as a capsule holder
(5) mit einer Kavität (6) zur Aufnahme einer Kapsel (3) und das andere Kammerteil als Verschlussteil (7) zum Ver- schliessen der Kavität ausgebildet ist, dadurch gekennzeichnet, dass der Kapselhalter (5) über ein manuell oder motorisch antreibbares Getriebe in dieser Reihenfolge zwischen einer(5) with a cavity (6) for receiving a capsule (3) and the other chamber part as a closure part (7) for closing the cavity is formed, characterized in that the capsule holder (5) via a manually or motor driven driveline in that order between one
- Aufnahmestellung (A) zur Aufnahme der Kapsel (3) ,- receiving position (A) for receiving the capsule (3),
Schliessstellung (B) zum Verschliessen der Kavität (6) , AuswurfStellung (C) zum Auswerfen der Kapsel (3) , und zurück in die Aufnahmestellung (A)Closing position (B) for closing the cavity (6), ejection position (C) for ejecting the capsule (3), and back to the receiving position (A)
schwenkbar ist, wobei der Kapselhalter (5) zwischen der Aufnahmestellung (A) und der AuswurfStellung (C) um einen Schwenkwinkel α von mehr als 90° schwenkbar ist.is pivotable, wherein the capsule holder (5) between the receiving position (A) and the ejection position (C) by a pivot angle α of more than 90 ° is pivotable.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kapselhalter (5) nur schwenkbar und das Verschlussteil (7) nur verschiebbar gelagert ist und dass das Verschlussteil zwischen der Aufnahmestellung (A) und der Schliessstellung (B) gegen den Kapselhalter und zwischen der Schliessstellung (B) und der AuswurfStellung (C) vom Kapselhalter weg, insbesondere linear verschiebbar ist. 2. Device according to claim 1, characterized in that the capsule holder (5) only pivotally and the closure part (7) is slidably mounted and that the closure part between the receiving position (A) and the closed position (B) against the capsule holder and between the Closing position (B) and the ejection position (C) away from the capsule holder, in particular linearly displaceable.
3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kapselhalter (5) schwenkbar und verschiebbar und das Verschlussteil (7) verschiebbar gelagert ist und dass der Kapselhalter und das Verschlussteil zwischen der Aufnahmestellung (A) und der Schliessstellung (B) insbesondere linear aufeinander zu und zwischen der Schliessstellung (B) und der AuswurfStellung (C) insbesondere linear voneinander weg verschiebbar sind.3. Device according to claim 1, characterized in that the capsule holder (5) pivotally and displaceably and the closure part (7) is displaceably mounted and that the capsule holder and the closure part between the receiving position (A) and the closed position (B) in particular linearly to and between the closed position (B) and the ejection position (C) are in particular linearly displaced away from each other.
4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kapselhalter (5) schwenkbar und verschiebbar und das Verschlussteil (7) fest gelagert ist und dass der Kapselhalter zwischen der Aufnahmestellung (A) und der Schliessstellung (B) gegen das Verschlussteil und zwischen der Schliessstellung (B) und der AuswurfStellung (C) vom Verschlussteil weg insbesondere linear verschiebbar ist.4. The device according to claim 1, characterized in that the capsule holder (5) pivotally and displaceably and the closure part (7) is fixedly mounted and that the capsule holder between the receiving position (A) and the closed position (B) against the closure part and between the Closing position (B) and the ejection position (C) away from the closure part in particular linearly displaceable.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Schwenkwinkel (α' ) zwischen der Aufnahmestellung (A) und der Schliessstellung (B) mehr als 60°, vorzugsweise zwischen 60° und 80° beträgt.5. Device according to one of claims 1 to 4, characterized in that the pivot angle (α ') between the receiving position (A) and the closed position (B) is more than 60 °, preferably between 60 ° and 80 °.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Schwenkwinkel (α' ' ) zwischen der Schliessstellung (B) und der AuswurfStellung (C) mehr als 20°, vorzugsweise zwischen 20° und 60° beträgt.6. Device according to one of claims 1 to 5, characterized in that the pivot angle (α '') between the closed position (B) and the ejection position (C) is more than 20 °, preferably between 20 ° and 60 °.
7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sich die Kavität (6) über eine Längsachse (8) erstreckt, die in der Schliessstellung (B) zur Horizontalen um einen Winkel (ß) von 0° bis 30° geneigt ist. 7. Device according to one of claims 1 to 6, characterized in that the cavity (6) extends over a longitudinal axis (8), in the closed position (B) to the horizontal at an angle (ß) of 0 ° to 30 ° is inclined.
8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Kapselhalter (5) und das Verschlussteil (7) in einem Support (10) gelagert sind, und dass die Schliessbewegung und die Öffnungsbewegung zwischen den beiden Teilen bzw. die Schwenkbewegung des Kapselhalters über einen am Support angeordneten Betätigungshebel (11) ausführbar sind.8. Device according to one of claims 1 to 7, characterized in that the capsule holder (5) and the closure part (7) are mounted in a support (10), and that the closing movement and the opening movement between the two parts or the pivoting movement of the capsule holder via an operating lever arranged on the support (11) are executable.
9. Vorrichtung nach Anspruch 2 und Anspruch 8, dadurch gekennzeichnet, dass der Betätigungshebel (11) ein Schwenkhebel ist, der unmittelbar am Support (10) angelenkt ist und der über eine Koppel (12) in Wirkverbindung steht mit einem geführten Schlitten (15), an dem das Verschlussteil (7) angeordnet ist.9. Apparatus according to claim 2 and claim 8, characterized in that the actuating lever (11) is a pivot lever which is articulated directly on the support (10) and which is in operative connection via a coupling (12) with a guided carriage (15). on which the closure part (7) is arranged.
10. Vorrichtung nach Anspruch 4 und Anspruch 8, dadurch gekennzeichnet, dass der Betätigungshebel (11) ein Schwenkhebel ist, der über eine Koppel (12) am Support (10) angelenkt ist und dessen Ende (14) in Wirkverbindung steht mit einem geführten Schlitten (15) an dem der Kapselhalter (5) angeordnet ist.10. Apparatus according to claim 4 and claim 8, characterized in that the actuating lever (11) is a pivot lever which is articulated via a coupling (12) on the support (10) and whose end (14) is in operative connection with a guided carriage (15) on which the capsule holder (5) is arranged.
11. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Schwenkbewegung des Kapselhalters (5) über eine zwischen einem Support und dem Kapselhalter wirkende Kurvensteuerung steuerbar ist.11. Device according to one of claims 1 to 10, characterized in that the pivoting movement of the capsule holder (5) via a force acting between a support and the capsule holder cam control is controllable.
12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der Kapselhalter (5) mittels eines Federelements in die Aufnahmestellung (A) vorgespannt ist.12. The device according to claim 11, characterized in that the capsule holder (5) is biased by means of a spring element in the receiving position (A).
13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Verschlussteil (7) als Injektor aus- gebildet ist, mit dem die Kapsel in der Schliessstellung (B) penetrierbar und Extraktionsmittel in die Kapsel einführbar ist.13. Device according to one of claims 1 to 12, characterized in that the closure part (7) as an injector from is formed, with which the capsule in the closed position (B) penetratable and extractant is inserted into the capsule.
14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass am Boden der Kavität (6) eine Filterplatte (17) angeordnet ist, mit der die Kapsel (3) in der Schliessstellung (B) penetrierbar ist, wobei unter der Filterplatte eine Ableitung (18) zum Ableiten des Extrakts im Kapselhalter (5) angeordnet ist.14. Device according to one of claims 1 to 13, characterized in that at the bottom of the cavity (6) a filter plate (17) is arranged, with which the capsule (3) in the closed position (B) is penetratable, wherein under the filter plate a drain (18) for draining the extract in the capsule holder (5) is arranged.
15. Vorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Kapselhalter (5) als Scheibe aus Kunststoffmaterial ausgebildet ist, wobei sich die Kavität15. Device according to one of claims 1 to 14, characterized in that the capsule holder (5) is designed as a disc made of plastic material, wherein the cavity
(6) gegen den Aussenmantel der Scheibe öffnet.(6) opens against the outer shell of the disc.
16. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass die Kurvensteuerung eine geschlossene Steuerbahn (49) mit wenigstens zwei Bahnabschnitten (54, 55) aufweist, wobei mittels einer Steuerweiche (50) beim Schliessen bzw. beim Öffnen der Extraktionskammer (4) unterschiedliche Bahnabschnitte abgreifbar sind. 16. The apparatus according to claim 11, characterized in that the cam control has a closed control track (49) with at least two track sections (54, 55), wherein by means of a control gate (50) when closing or when opening the extraction chamber (4) different track sections can be tapped.
PCT/EP2005/053878 2005-08-05 2005-08-05 Device for extracting an extraction product contained in a capsule by means of a liquid extraction agent WO2007016977A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/EP2005/053878 WO2007016977A1 (en) 2005-08-05 2005-08-05 Device for extracting an extraction product contained in a capsule by means of a liquid extraction agent
PCT/EP2006/065015 WO2007017455A1 (en) 2005-08-05 2006-08-03 Apparatus for extracting an extraction substance, which is contained in a capsule, with a liquid extraction means
EP06778147A EP1912542B1 (en) 2005-08-05 2006-08-03 Apparatus for extracting an extraction substance, which is contained in a capsule, with a liquid extraction means
DE502006002834T DE502006002834D1 (en) 2005-08-05 2006-08-03 DEVICE FOR EXTRACTING EXTRACTION GOODS CONTAINED IN A CAPSULE WITH A LIQUID EXTRACTION AGENT
AT06778147T ATE422319T1 (en) 2005-08-05 2006-08-03 DEVICE FOR EXTRACTING AN EXTRACTION PRODUCT CONTAINED IN A CAPSULE WITH A LIQUID EXTRACTION AGENT

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PCT/EP2006/065015 WO2007017455A1 (en) 2005-08-05 2006-08-03 Apparatus for extracting an extraction substance, which is contained in a capsule, with a liquid extraction means

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