EP1141465B1 - Washing machine drum - Google Patents
Washing machine drum Download PDFInfo
- Publication number
- EP1141465B1 EP1141465B1 EP99963491A EP99963491A EP1141465B1 EP 1141465 B1 EP1141465 B1 EP 1141465B1 EP 99963491 A EP99963491 A EP 99963491A EP 99963491 A EP99963491 A EP 99963491A EP 1141465 B1 EP1141465 B1 EP 1141465B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- laundry drum
- liquid
- drum
- ramp
- driver
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000005406 washing Methods 0.000 title description 6
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000005192 partition Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000000969 carrier Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
- D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
Definitions
- the invention relates to a substantially cylindrical laundry drum with at least a driver, the liquid in their rotation into the interior of the at least one The driver scoops and lifts, the at least one driver scooping the scooped one Dispenses liquid into the interior of the laundry drum in a raised position.
- a laundry drum set up in this way is known, for example, from DE 37 12 118 A1 known.
- the process to be carried out in this way can be carried out without problems with cylindrical washing drums with a horizontally aligned axis of rotation, where the Wash drum along its entire depth between the end faces of liquid is wetted. In this case, liquid can flow over the entire length of a carrier scooped inside and rained down the entire depth of the laundry drum become.
- the object of the present invention is a laundry drum of the type mentioned Way of creating, in which the scooped liquid with carriers with conventional Form can be quickly de-energized over a large area of the laundry drum.
- this object is achieved by a laundry drum in which the at least a driver has at least one drain ramp inside, which with an orientation of the axis of rotation of the laundry drum that differs from the horizontal in a rotary position of the laundry drum, in which the at least one Carrier is in its highest position, is level or a slope has in the direction in which the axis of rotation of the laundry drum rises, so that the scooped liquid in both directions of rotation of the laundry drum in a raised Position on the at least one drain ramp in the direction in which the The axis of rotation of the laundry drum rises.
- the lifted liquid can flow into a section in the driver on the discharge ramp flow in which no liquid due to the restricted scoop area could be scooped, and from there to the interior of the laundry drum. So the interior of the laundry drum can essentially regardless of the scoop area along its entire length and in particular also on its higher one Be irrigated at the end.
- the at least one discharge ramp advantageously has a gradient of at least 5 ° degrees when the at least one driver is in the Course of the laundry drum rotation is in its highest position. This will the expiration accelerates, so that in the short time in which the driver is in a is in the upper position, a large amount of liquid can be drained.
- a horizontally aligned drain ramp in the highest position of the driver can transport liquid within the driver in its longitudinal direction improve, since the raised liquid spread and eventually in the places can rain, where openings are provided.
- the drum speed is reduced by the time to extend, in which the liquid in the driver can distribute and rain.
- the discharge ramp can be carried out briefly, so that the liquid quickly Reach the end and rain down there into the inside of the drum.
- the External driver largely independent of the course of the internal drain ramp be designed.
- the external shape of the driver can meet the requirements can be adapted to the movement of the laundry in the drum without the Function of the liquid transport in the longitudinal direction of the driver or the irrigation thereof being affected.
- the drivers can also with their conventional shape constant height can be designed.
- an upper housing part of the at least one driver that between the at least one drain ramp and the laundry drum axis of rotation located, runs essentially parallel to the axis of rotation of the laundry drum and in particular has openings at its end so that one is in a raised position liquid flowing from the at least one discharge ramp onto the upper housing part flows back on it in the direction in which the drum rotation axis drops, and thereby through the openings in the upper part of the housing into the interior of the laundry drum flows.
- the liquid flowing from the discharge ramp can therefore be distributed over an area be rained down, with the arrangement of several openings, the raining down is accelerated.
- a Partition can be arranged, which is substantially transverse to the axis of rotation of the laundry drum extends. In this way, the runback can be limited and the area can be defined in which the liquid flowing forward on the discharge ramp through the Raining the upper part of the housing.
- the chamber on the opposite of the partition Side is delimited by a rear wall which has at least one opening to the Filling with liquid. This allows the space between the drain ramp and the upper part of the housing used as a scoop and the scooped and raised Amount of liquid can be increased.
- the at least one drain ramp can have openings have, by the raised liquid already during the drain on the at least can pass through a drain ramp. The time it takes to rain can so be reduced.
- the at least one driver can furthermore have a plurality of one another in the longitudinal direction has subsequent sections, each having a drain ramp.
- the lined up sections extend together over the entire Depth of the laundry drum.
- the individual drain ramps that are in a certain one, from the inclination of the drum and the desired drainage gradient dependent angle extend upward from the base of the driver, shorter, so that the height of the driver by several successive deceleration ramps can be reduced.
- FIG. 1 is a driver 1 without an upper housing part in a perspective view 3 for use in a laundry drum 7 according to the invention, the driver 1 in the described embodiment two identical, one behind the other arranged sections of the type shown.
- the footprint of the Driver 1 is recessed to the introduction of liquid 9 through scooping devices to allow in the drum drum.
- Inside the driver 1 is one Arranged ramp 2, which extends upwards at a flat angle and below which there is a chamber A, in the lower position of the driver 1 liquid 9 is scooped in the course of the washing drum rotation.
- the scoop devices can be conventional and are not shown.
- On the top a ramp 4 is arranged approximately in the middle of the section, which are essentially perpendicular to the base of the driver 1 extends above.
- Upper housing part 3 limits a chamber C. Through the openings 6 passes Scoop liquid 9 into the chamber C.
- a chamber B On the side of the wall facing away from the rear wall 5 Partition 4 is a chamber B, which is also from the top of the drain ramp 2 and the upper housing part 3, not shown in Figure 1, is limited.
- either another section is included its rear wall 5 or an end face of the laundry drum 7.
- FIG. 2 shows a laundry drum 7 according to the invention with an inclined axis of rotation 8 in Section shown. Due to the inclination of the drum, the laundry drum 7 only dives its right end into the liquid 9. Accordingly, it depends on how as far as the laundry drum is immersed in the liquid 9, the driver 1 when scooping filled with liquid 9 only over part of its length.
- the lower fluid level S1 becomes only the chambers C and A of the right section below filled with liquid 9.
- the liquid level S2 With the liquid level S2, however, in addition to a lesser extent, however, chambers A and C of the one on the left above Section filled with liquid 9.
- the chambers A are through openings in the laundry drum jacket filled, whereas the chambers C through the openings 6 in the Back walls 5 are filled, the rear wall 5 of the right section is at the same time part of the right front floor of the washing drum 7.
- the driver 1 now lifts the scooped one Liquid 9 on.
- the de-energizing process based on the other driver 1 shown in its highest position described, this process starting earlier and depending on the Drum speed can continue until the highest position is exceeded.
- the de-energizing process based on the other driver 1 shown in its highest position described, this process starting earlier and depending on the Drum speed can continue until the highest position is exceeded.
- a liquid 9 located in the chambers C rains as in the usual ones Ladle drivers directly through the openings in the upper housing part 3 into the interior of the laundry drum from.
- the solution according to the invention can be used in this way even with limited Scoop area in the direction of the drum axis sprinkles the inside of the drum over the entire depth become.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Centrifugal Separators (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine im wesentlichen zylindrische Wäschetrommel mit wenigstens einem Mitnehmer, die bei ihrer Drehung Flüssigkeit in das Innere des wenigstens einen Mitnehmers schöpft und anhebt, wobei der wenigstens eine Mitnehmer die geschöpfte Flüssigkeit in einer angehobenen Position in das Innere der Wäschetrommel abgibt.The invention relates to a substantially cylindrical laundry drum with at least a driver, the liquid in their rotation into the interior of the at least one The driver scoops and lifts, the at least one driver scooping the scooped one Dispenses liquid into the interior of the laundry drum in a raised position.
Zur besseren Befeuchtung der Wäsche während des Waschvorgangs ist es seit längerer Zeit üblich, die Wäschetrommel mit Flüssigkeitshebeeinrichtungen zu versehen, die im Verlauf ihrer Drehung von unten Flüssigkeit schöpfen, anheben und in einer angehobenen Position auf die Wäsche im Inneren der Wäschetrommel abregnen. In der Regel werden dazu Mitnehmer verwendet, die üblicherweise ohnehin zum Wenden der Wäsche im Inneren der Wäschetrommel vorgesehen sind. Die Flüssigkeit, die beispielsweise Waschlauge oder Spülwasser sein kann, wird durch Schöpfeinrichtungen in die Mitnehmer geleitet, von diesen angehoben und in einer angehobenen Position in das Wäschetrommelinnere abgeregnet. Die Schöpfeinrichtungen sind in der Regel im Bereich der Mitnehmer im Trommelmantel angeordnet und schöpfen die Trommel außen benetzende Flüssigkeitsmengen durch Öffnungen im Mantel und/oder in den Stirnflächen der Trommel in die Mitnehmer.For better moistening of the laundry during the washing process it has been for a long time Time usual to provide the laundry drum with liquid lifting devices, which in the Draw liquid in the course of its rotation from below, lift and in a raised Rain the position on the laundry inside the drum. Usually Carriers are used for this purpose, which are usually used to turn the laundry anyway are provided inside the laundry drum. The liquid, for example Wash liquor or rinse water can be scooped into the driver guided, raised by these and in a raised position into the interior of the laundry drum rained. The scoops are usually in the area of Drivers arranged in the drum jacket and scoop the drum wetting outside Amounts of liquid through openings in the jacket and / or in the end faces of the drum in the carriers.
Eine derartig eingerichtete Wäschetrommel ist beispielsweise aus der DE 37 12 118 A1 bekannt. Das damit durchzuführende Verfahren kann problemlos bei zylindrischen Wäschetrommeln mit waagrecht ausgerichteter Drehachse eingesetzt werden, bei denen die Wäschetrommel entlang ihrer gesamten Tiefe zwischen den Stirnflächen von Flüssigkeit benetzt wird. In diesem Fall kann über die gesamte Länge eines Mitnehmers Flüssigkeit in sein Inneres geschöpft und über die gesamte Tiefe der Wäschetrommel abgeregnet werden.A laundry drum set up in this way is known, for example, from DE 37 12 118 A1 known. The process to be carried out in this way can be carried out without problems with cylindrical washing drums with a horizontally aligned axis of rotation, where the Wash drum along its entire depth between the end faces of liquid is wetted. In this case, liquid can flow over the entire length of a carrier scooped inside and rained down the entire depth of the laundry drum become.
Falls nun die Drehachse der Wäschetrommel schräg ausgerichtet ist, kann es vorkommen, daß die Wäschetrommel nur an einem Ende in die Flüssigkeit eintaucht und nicht über ihre gesamte Tiefe von Flüssigkeit benetzt wird, so daß nur in einem beschränkten Schöpfbereich Flüssigkeit in den Mitnehmer geschöpft werden kann. Dieses Problem ergibt sich insbesondere dann, wenn der Flüssigkeitsstand in einem die Trommel umgebenden Laugenbehälter niedrig ist, wie es zur Verringerung des Wasserverbrauchs allgemein angestrebt wird. Die Mitnehmer enthalten dann möglicherweise nur in einem Abschnitt Flüssigkeit, die im Inneren der Wäschetrommel nur über einem kleinen Bereich abgeregnet werden kann. In der Regel wird in solchen Fällen die Flüssigkeit zum Großteil in der Nähe des weiter unten gelegenen Endes der schrägen Wäschetrommel abgeregnet werden und dort an der Wäschetrommelrückwand entlanglaufen ohne auf die Wäsche zu regnen. Die Beregnung der Wäsche in der Wäschetrommel über deren Tiefe ist daher bei schräggestellten Wäschetrommeln sehr ungleichmäßig, so daß ungünstig in der Wäschetrommel verteilte Wäschestücke unter Umständen nicht oder schlecht beregnet werden.If the axis of rotation of the laundry drum is now inclined, it can happen that the laundry drum is only immersed in the liquid at one end and not is wetted by liquid over its entire depth, so that only in a limited Scoop area liquid can be scooped into the driver. This problem arises in particular when the liquid level in a surrounding the drum Suds container is low, as is common to reducing water consumption is sought. The carriers may then only contain one section Liquid inside the drum only over a small area can be rained down. As a rule, in such cases the liquid becomes largely rained near the lower end of the sloping laundry drum and run along the back of the laundry drum without looking at the laundry to rain. The irrigation of the laundry in the laundry drum over its depth is therefore very unevenly with inclined laundry drums, so that unfavorable in laundry items distributed in the laundry drum may not rain or may not rain well become.
Zusätzlich tritt das Problem auf, daß die Mitnehmer zusammen mit der Trommel eine Schrägstellung einnehmen, die während der Trommeldrehung über eine waagerechte Ausrichtung bei halbhoher Position in der oberen Position wieder gleich ist wie in der unteren Position, so daß die angehobene Flüssigkeit im Inneren der Mitnehmer in dem unten gelegenen Abschnitt zurückgehalten wird, in den sie beim Schöpfen geleitet wurde.In addition, there is the problem that the drivers together with the drum Take an inclined position, which during the rotation of the drum over a horizontal Alignment at the half-high position in the upper position is the same as in the lower position Position so that the raised liquid inside the driver in the bottom is held in the section to which it was directed when scooping.
Aufgabe der vorliegenden Erfindung ist es, eine Wäschetrommel der eingangs genannten Art zu schaffen, bei der die geschöpfte Flüssigkeit mit Mitnehmern mit herkömmlicher Form schnell über einen großen Bereich der Wäschetrommel abgeregnet werden kann.The object of the present invention is a laundry drum of the type mentioned Way of creating, in which the scooped liquid with carriers with conventional Form can be quickly de-energized over a large area of the laundry drum.
Erfindungsgemäß wird diese Aufgabe durch eine Wäschetrommel gelöst, bei der der wenigstens eine Mitnehmer in seinem Inneren wenigstens eine Ablauframpe aufweist, die bei einer gegenüber der Waagrechten abweichenden Ausrichtung der Wäschetrommeldrehachse in einer Drehstellung der Wäschetrommel, in der sich der wenigstens eine Mitnehmer in seiner höchsten Stellung befindet, waagrecht ausgerichtet ist oder ein Gefälle in die Richtung aufweist, in der die Drehachse der Wäschetrommel ansteigt, so daß die geschöpfte Flüssigkeit in beiden Drehrichtungen der Wäschetrommel in einer angehobenen Position auf der wenigstens einen Ablauframpe in die Richtung fließt, in der die Drehachse der Wäschetrommel ansteigt.According to the invention, this object is achieved by a laundry drum in which the at least a driver has at least one drain ramp inside, which with an orientation of the axis of rotation of the laundry drum that differs from the horizontal in a rotary position of the laundry drum, in which the at least one Carrier is in its highest position, is level or a slope has in the direction in which the axis of rotation of the laundry drum rises, so that the scooped liquid in both directions of rotation of the laundry drum in a raised Position on the at least one drain ramp in the direction in which the The axis of rotation of the laundry drum rises.
Die angehobene Flüssigkeit kann so im Mitnehmer auf der Ablauframpe in einen Abschnitt fließen, in den aufgrund des eingeschränkten Schöpfbereichs keine Flüssigkeit geschöpft werden konnte, und von dort in das Wäschetrommelinnere abgeregnet werden. So kann unabhängig vom Schöpfbereich der Innenraum der Wäschetrommel im wesentlichen entlang seiner gesamten Länge und insbesondere auch an seinem weiter oben gelegenen Ende beregnet werden. Vorteilhafterweise weist die wenigstens eine Ablauframpe ein Gefälle von wenigstens 5° Grad auf, wenn der wenigstens eine Mitnehmer sich im Verlauf der Wäschetrommeldrehung in seiner höchsten Stellung befindet. Dadurch wird das Ablaufen beschleunigt, so daß in der kurzen Zeit, in der sich der Mitnehmer in einer oberen Stellung befindet, eine große Flüssigkeitsmenge abgeregnet werden kann.The lifted liquid can flow into a section in the driver on the discharge ramp flow in which no liquid due to the restricted scoop area could be scooped, and from there to the interior of the laundry drum. So the interior of the laundry drum can essentially regardless of the scoop area along its entire length and in particular also on its higher one Be irrigated at the end. The at least one discharge ramp advantageously has a gradient of at least 5 ° degrees when the at least one driver is in the Course of the laundry drum rotation is in its highest position. This will the expiration accelerates, so that in the short time in which the driver is in a is in the upper position, a large amount of liquid can be drained.
Bereits eine in der höchsten Stellung des Mitnehmers waagrecht ausgerichtete Ablauframpe kann den Flüssigkeitstransport innerhalb des Mitnehmers in seiner Längsrichtung verbessern, da sich die angehobene Flüssigkeit verteilen und schließlich an den Stellen abregnen kann, an denen Öffnungen vorgesehen sind. In diesen Fällen kann vorgesehen sein, daß zum Schöpfen und Abregnen die Trommeldrehzahl erniedrigt wird, um die Zeit zu verlängern, in der die Flüssigkeit im Mitnehmer sich verteilen und abregnen kann. Ferner kann die Ablauframpe kurz ausgeführt werden, so daß die Flüssigkeit schnell deren Ende erreichen und dort nach unten in das Wäschetrommelinnere abregnen kann. Durch eine in der oberen Stellung waagerecht ausgerichtete Ablauframpe wird bei schrägen, zylindrischen Wäschetrommeln in jedem Fall bereits verhindert, daß die angehobene Flüssigkeitsmenge in einem unten gelegenen Abschnitt des Mitnehmers zurückgehalten wird.Already a horizontally aligned drain ramp in the highest position of the driver can transport liquid within the driver in its longitudinal direction improve, since the raised liquid spread and eventually in the places can rain, where openings are provided. In these cases it can be provided be that for scooping and raining the drum speed is reduced by the time to extend, in which the liquid in the driver can distribute and rain. Further the discharge ramp can be carried out briefly, so that the liquid quickly Reach the end and rain down there into the inside of the drum. By A drain ramp aligned horizontally in the upper position is cylindrical drums in any case already prevents the raised Amount of liquid retained in a portion of the driver located below becomes.
Weiterhin kann aufgrund der im Inneren des Mitnehmers angeordneten Ablauframpe der Mitnehmer äußerlich weitgehend unabhängig vom Verlauf der innen liegenden Ablauframpe gestaltet werden. Insbesondere kann die äußere Form der Mitnehmer den Anforderungen an die Bewegung der Wäsche in der Trommel angepaßt werden, ohne daß die Funktion des Flüssigkeitstransports in Mitnehmerlängsrichtung oder der Beregnung davon beeinflußt wird. Die Mitnehmer können so auch mit ihrer herkömmlichen Form mit gleichbleibender Höhe gestaltet werden.Furthermore, due to the discharge ramp arranged inside the driver, the External driver largely independent of the course of the internal drain ramp be designed. In particular, the external shape of the driver can meet the requirements can be adapted to the movement of the laundry in the drum without the Function of the liquid transport in the longitudinal direction of the driver or the irrigation thereof being affected. The drivers can also with their conventional shape constant height can be designed.
Weiterhin kann vorgesehen sein, daß ein Gehäuseoberteil des wenigstens einen Mitnehmers, das sich zwischen der wenigstens einen Ablauframpe und der Wäschetrommeldrehachse befindet, im wesentlichen parallel zur Wäschetrommeldrehachse verläuft und insbesondere an ihrem Ende Öffnungen aufweist, so daß eine in einer angehobenen Position von der wenigstens einen Ablauframpe auf das Gehäuseoberteil fließende Flüssigkeit auf ihm in die Richtung zurückfließt, in der die Wäschetrommeldrehachse abfällt, und dabei durch die Öffnungen in dem Gehäuseoberteil in das Innere der Wäschetrommel fließt. Die von der Ablauframpe fließende Flüssigkeit kann daher über einen Bereich verteilt abgeregnet werden, wobei durch die Anordnung von mehreren Öffnungen das Abregnen beschleunigt wird. It can further be provided that an upper housing part of the at least one driver, that between the at least one drain ramp and the laundry drum axis of rotation located, runs essentially parallel to the axis of rotation of the laundry drum and in particular has openings at its end so that one is in a raised position liquid flowing from the at least one discharge ramp onto the upper housing part flows back on it in the direction in which the drum rotation axis drops, and thereby through the openings in the upper part of the housing into the interior of the laundry drum flows. The liquid flowing from the discharge ramp can therefore be distributed over an area be rained down, with the arrangement of several openings, the raining down is accelerated.
Zwischen der wenigstens einen Ablauframpe und dem Gehäuseoberteil kann eine Trennwand angeordnet sein, die sich im wesentlichen quer zur Wäschetrommeldrehachse erstreckt. Auf diese Weise kann das Zurücklaufen begrenzt und der Bereich festgelegt werden, in dem die auf der Ablauframpe nach vorne geflossene Flüssigkeit durch das Gehäuseoberteil abregnet.Between the at least one drain ramp and the upper housing part, a Partition can be arranged, which is substantially transverse to the axis of rotation of the laundry drum extends. In this way, the runback can be limited and the area can be defined in which the liquid flowing forward on the discharge ramp through the Raining the upper part of the housing.
Zwischen der wenigstens einen Ablauframpe und dem Gehäuseoberteil kann auf der in Richtung abfallender Wäschetrommeldrehachse gelegenen Seite der Trennwand eine Kammer ausgebildet sein, in die Flüssigkeit geschöpft und aus der Flüssigkeit in einer angehobenen Position durch die Öffnungen des Gehäuseoberteils in das Wäschetrommelinnere abgegeben werden kann, wobei die Kammer auf der der Trennwand gegenüberliegenden Seite von einer Rückwand begrenzt wird, die wenigstens eine Öffnung zum Füllen mit Flüssigkeit aufweist. Dadurch kann der Platz zwischen der Ablauframpe und dem Gehäuse-oberteil als Schöpfkammer genutzt und die geschöpfte und angehobene Flüssigkeitsmenge vergrößert werden.Between the at least one drain ramp and the upper housing part on the in Direction of falling side of the washing drum axis of rotation of the partition Be formed, scooped into the liquid and out of the liquid in a raised position through the openings of the upper housing part into the interior of the laundry drum can be dispensed, the chamber on the opposite of the partition Side is delimited by a rear wall which has at least one opening to the Filling with liquid. This allows the space between the drain ramp and the upper part of the housing used as a scoop and the scooped and raised Amount of liquid can be increased.
In einer weiteren Ausführungsform kann die wenigstens eine Ablauframpe Öffnungen aufweisen, durch die angehobene Flüssigkeit bereits während des Ablaufens auf der wenigstens einen Ablauframpe hindurchtreten kann. Die zum Abregnen benötigte Zeit kann so verringert werden.In a further embodiment, the at least one drain ramp can have openings have, by the raised liquid already during the drain on the at least can pass through a drain ramp. The time it takes to rain can so be reduced.
Der wenigstens eine Mitnehmer kann weiterhin in Längsrichtung mehrere aneinander anschließende Abschnitte aufweist, die jeweils eine Ablauframpe aufweisen. Vorteilhafterweise erstrecken sich die aneinandergereihten Abschnitte zusammen über die gesamte Tiefe der Wäschetrommel. In diesem Fall werden die einzelnen Ablauframpen, die sich in einem bestimmten, von der Wäschetrommelneigung und dem gewünschten Ablaufgefälle abhängigen Winkel von der Grundfläche des Mitnehmers nach oben erstrecken, kürzer, so daß durch mehrere aufeinanderfolgende Ablauframpen die Bauhöhe des Mitnehmers verkleinert werden kann.The at least one driver can furthermore have a plurality of one another in the longitudinal direction has subsequent sections, each having a drain ramp. advantageously, the lined up sections extend together over the entire Depth of the laundry drum. In this case, the individual drain ramps that are in a certain one, from the inclination of the drum and the desired drainage gradient dependent angle extend upward from the base of the driver, shorter, so that the height of the driver by several successive deceleration ramps can be reduced.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen. Darin zeigen
- Fig. 1
- eine perspektivische Ansicht eines Abschnitts eines Mitnehmers bei abgenommenen Gehäuseoberteil und
- Fig. 2
- eine Schnittansicht einer erfindungsgemäßen Wäschetrommel.
- Fig. 1
- a perspective view of a portion of a driver with the upper housing part removed and
- Fig. 2
- a sectional view of a laundry drum according to the invention.
In Figur 1 ist in teilweiser, perspektivischer Darstellung ein Mitnehmer 1 ohne Gehäuseoberteil
3 zur Verwendung in einer erfindungsgemäßen Wäschetrommel 7 dargestellt,
wobei der Mitnehmer 1 im beschriebenen Ausführungsbeispiel zwei gleichartige, hintereinander
angeordnete Abschnitte der dargestellten Art aufweist. Die Grundfläche des
Mitnehmers 1 ist ausgespart, um das Hineinleiten von Flüssigkeit 9 durch Schöpfvorrichtungen
im Wäschetrommelmantel zu ermöglichen. Im inneren des Mitnehmers 1 ist eine
Ablauframpe 2 angeordnet, die sich in einem flachen Winkel nach oben erstreckt und
unterhalb der sich eine Kammer A befindet, in die in einer unteren Stellung des Mitnehmers
1 im Laufe der Wäschetrommeldrehung Flüssigkeit 9 geschöpft wird. Die Schöpfvorrichtungen
können herkömmlicher Art sein und sind nicht dargestellt. Auf der Oberseite
der Ablauframpe 2 ist ungefähr in der Mitte des Abschnitts eine Trennwand 4 angeordnet,
die sich im wesentlichen senkrecht zu der Grundfläche des Mitnehmers 1 nach
oben erstreckt. An dem rückwärtigen Ende des dargestellten Abschnitts des Mitnehmers
1 ist eine senkrechte Rückwand 5 mit Öffnungen 6 angeordnet, die zusammen mit der
Trennwand 4, der Oberseite der Ablauframpe 2 und dem in Figur 1 nicht dargestellten
Gehäuseoberteil 3 eine Kammer C begrenzt. Durch die Öffnungen 6 gelangt beim
Schöpfen Flüssigkeit 9 in die Kammer C. Auf der der Rückwand 5 abgewandten Seite der
Trennwand 4 befindet sich eine Kammer B, die ebenfalls von der Oberseite der Ablauframpe
2 und dem in Figur 1 nicht dargestellten Gehäuseoberteil 3 begrenzt wird. Am vorderen
Ende des dargestellten Abschnitts schließt sich entweder ein weiterer Abschnitt mit
seiner Rückwand 5 oder ein Stirnboden der Wäschetrommel 7 an.In Figure 1 is a
In Figur 2 ist eine erfindungsgemäße Wäschetrommel 7 mit geneigter Drehachse 8 im
Schnitt dargestellt. Aufgrund der Trommeineigung taucht die Wäschetrommel 7 nur mit
ihrem rechten Ende in die Flüssigkeit 9 ein. Dementsprechend wird abhängig davon, wie
weit die Wäschetrommel in die Flüssigkeit 9 eintaucht, der Mitnehmer 1 beim Schöpfen
nur über einen Teil seiner Länge mit Flüssigkeit 9 gefüllt. Beim niedrigeren Flüssigkeitsstand
S1 werden nur die Kammern C und A des weiter unten gelegenen, rechten Abschnitts
mit Flüssigkeit 9 gefüllt. Beim Flüssigkeitsstand S2 werden dagegen zusätzlich in
einem allerdings geringeren Maß die Kammern A und C des weiter oben gelegenen, linken
Abschnitts mit Flüssigkeit 9 gefüllt. Die Kammern A werden durch Öffnungen im Wäschetrommelmantel
gefüllt, wohingegen die Kammern C durch die Öffnungen 6 in den
Rückwänden 5 gefüllt werden, wobei die Rückwand 5 des rechts gelegenen Abschnitts
gleichzeitig Teil des rechten Stirnbodens der Wäschetrommel 7 ist. FIG. 2 shows a
Im Verlauf der weiteren Wäschetrommeldrehung hebt nun der Mitnehmer 1 die geschöpfte
Flüssigkeit 9 an. Im beschriebenen Ausführungsbeispiel wird der Abregnungsvorgang
anhand des anderen, in seiner höchsten Stellung dargestellten Mitnehmers 1
beschrieben, wobei dieser Vorgang bereits früher einsetzen und sich abhängig von der
Trommeldrehzahl auch bis nach Überschreiten der höchsten Stellung fortsetzen kann. In
einer oberhalb des halben Trommeldurchmessers befindlichen Stellung beginnt nun in
den Kammern A befindliche Flüssigkeit 9 wegen dem sich einstellenden Gefälle auf der
Ablauframpe 2 nach links zu fließen. Am Ende der Ablauframpe 2 fließt es nach unten in
der Kammer B auf das mit Öffnungen versehene Gehäuseoberteil 3. Auf der Innenseite
des Gehäuseoberteils 3 fließt die Flüssigkeit 9 wieder nach rechts zurück, wobei sie
durch die Öffnungen im Gehäuseoberteil 3 in das Innere der Wäschetrommel 7 verteilt
abregnet. Eine in den Kammern C befindliche Flüssigkeit 9 regnet wie bei den üblichen
Schöpfmitnehmern direkt durch die Öffnungen in dem Gehäuseoberteil 3 in das Wäschetrommelinnere
ab.In the course of the further rotation of the laundry drum, the
Durch die erfinddungsgemäße Lösung kann auf diese Weise auch bei eingeschränktem Schöpfbereich in Trommelachsrichtung das Trommelinnere über die gesamte Tiefe beregnet werden.The solution according to the invention can be used in this way even with limited Scoop area in the direction of the drum axis sprinkles the inside of the drum over the entire depth become.
Claims (7)
- Substantially cylindrical laundry drum (7) with at least one entrainer (1), which on rotation thereof scoops up liquid (9) into the interior of the at least one entrainer (1) and raises it, wherein the at least one entrainer (1) delivers the scooped-up liquid (9) in an elevated position into the interior of the laundry drum (7), characterised in that the at least one entrainer (1) has in its interior at least one drain ramp (2) which, in the case of an orientation of the laundry drum rotational axis (8) departing from the horizontal in a rotational setting of the laundry drum (7) in which the at least one entrainer (1) is disposed in its highest setting is oriented horizontally or has a drop in the direction in which the rotational axis (8) of the laundry drum (7) rises, so that the scooped-up liquid (9) in both directions of rotation of the laundry drum flows in an elevated position on the least one drain ramp (2) in the direction in which the axis (8) of rotation of the laundry drum (7) rises.
- Laundry drum according to claim 1, characterised in that the at least one drain ramp (2) has a drop of at least 5° degrees when the at least one entrainer (1) is disposed in its highest setting in the course of the laundry drum rotation.
- Laundry drum according to claim 1 or 2, characterised in that a housing upper part (3) of the at least one entrainer (1), which is disposed between at least one drain ramp (2) and the laundry drum rotational axis (8), extends substantially parallel to the laundry drum rotational axis (8) and has openings so that a liquid (9), which flows in an elevated position from the at least one drain ramp (2) onto the housing upper part (3), flows back thereon in the direction in which the laundry drum rotational axis (8) drops down and in that case flows through the openings in the housing upper part (3) into the interior of the laundry drum (7).
- Laundry drum according to claim 3, characterised in that a partition wall (4), which extends substantially transversely to the laundry drum rotational axis (8), is arranged between the at least one drain ramp (2) and the housing upper part (3).
- Laundry drum according to claim 4, characterised in that a chamber (C) in which liquid (9) is scooped up and from which liquid (9) in an elevated position can be delivered through the openings of the housing upper part (3) into the laundry drum interior, is formed between the at least one runoff ramp (2) and the housing upper part (3) on the side of the partition wall (4) disposed in the direction of the downwardly sloping laundry drum rotational axis (8), wherein the chamber (C) is bounded on the side opposite the partition wall (4) by a rear wall (5) which has at least one opening (6) for filling with liquid (9).
- Laundry drum according to one of the preceding claims, characterised in that the at least one drain ramp (2) has, particularly at the end thereof remote from the base surface of the entrainer (1), openings through which the elevated liquid (9) can pass through during draining on the at least one drain ramp (2).
- Laundry drum according to one of claims 1 to 6, characterised in that the at least one entrainer (1) has in longitudinal direction several mutually adjoining portions which each have a respective drain ramp (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI9930249T SI1141465T1 (en) | 1998-12-22 | 1999-12-10 | Washing machine drum |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19859571 | 1998-12-22 | ||
| DE19859571A DE19859571A1 (en) | 1998-12-22 | 1998-12-22 | Laundry drum |
| PCT/EP1999/009792 WO2000037729A1 (en) | 1998-12-22 | 1999-12-10 | Washing machine drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1141465A1 EP1141465A1 (en) | 2001-10-10 |
| EP1141465B1 true EP1141465B1 (en) | 2003-04-23 |
Family
ID=7892321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99963491A Expired - Lifetime EP1141465B1 (en) | 1998-12-22 | 1999-12-10 | Washing machine drum |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6386004B2 (en) |
| EP (1) | EP1141465B1 (en) |
| AT (1) | ATE238441T1 (en) |
| DE (2) | DE19859571A1 (en) |
| ES (1) | ES2197701T3 (en) |
| PL (1) | PL189518B1 (en) |
| TR (1) | TR200101863T2 (en) |
| WO (1) | WO2000037729A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10136519B4 (en) | 2001-07-26 | 2004-09-02 | BSH Bosch und Siemens Hausgeräte GmbH | Method of operating a programmable washing machine and washing machine suitable therefor |
| KR20050045256A (en) * | 2003-11-10 | 2005-05-17 | 삼성전자주식회사 | Drum washing machine |
| US20050097927A1 (en) * | 2003-11-10 | 2005-05-12 | Samsung Electronics Co., Ltd. | Drum type washing machine |
| KR101253566B1 (en) * | 2005-07-07 | 2013-04-11 | 삼성전자주식회사 | Drum type washing machine |
| US8024947B2 (en) * | 2008-01-11 | 2011-09-27 | Bsh Home Appliances Corporation | Front-loading washing machine having liquid distributing paddles |
| US8234797B2 (en) * | 2008-06-30 | 2012-08-07 | Electrolux Home Products, Inc. | Dryer drum vane and vane set |
| EP2270272B1 (en) | 2009-06-29 | 2012-09-19 | Electrolux Home Products Corporation N.V. | Washing machine |
| KR102320981B1 (en) * | 2015-04-21 | 2021-11-04 | 엘지전자 주식회사 | Washing machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1000033A (en) * | 1961-09-21 | 1965-08-04 | Polymark Int Ltd | Improvements in laundry washing machines |
| US3344447A (en) * | 1963-09-11 | 1967-10-03 | Robert R Candor | Material treating machine and method |
| SE351877B (en) * | 1971-08-23 | 1972-12-11 | Ctc Ab | |
| DE3712118A1 (en) * | 1986-05-06 | 1987-11-12 | Bosch Siemens Hausgeraete | DRUM WASHING MACHINE |
| DE4001422A1 (en) * | 1989-01-27 | 1990-08-23 | Blomberg Werke Gmbh | Laundry drum for electric washing machine - with V=shaped ribs featuring transverse strips guiding liq. film into vertex area |
| DE3913746C2 (en) * | 1989-04-26 | 1995-08-17 | Miele & Cie | Drum washing machine |
| DE4104450A1 (en) * | 1991-02-14 | 1992-08-20 | Manfred Stoll | Washing textiles in automatic washing machine - by using twin drum principle and recycling container to store solns. |
-
1998
- 1998-12-22 DE DE19859571A patent/DE19859571A1/en not_active Withdrawn
-
1999
- 1999-12-10 TR TR2001/01863T patent/TR200101863T2/en unknown
- 1999-12-10 AT AT99963491T patent/ATE238441T1/en not_active IP Right Cessation
- 1999-12-10 WO PCT/EP1999/009792 patent/WO2000037729A1/en active IP Right Grant
- 1999-12-10 DE DE59905242T patent/DE59905242D1/en not_active Expired - Lifetime
- 1999-12-10 EP EP99963491A patent/EP1141465B1/en not_active Expired - Lifetime
- 1999-12-10 ES ES99963491T patent/ES2197701T3/en not_active Expired - Lifetime
- 1999-12-10 PL PL99348296A patent/PL189518B1/en not_active IP Right Cessation
-
2001
- 2001-06-22 US US09/888,024 patent/US6386004B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2197701T3 (en) | 2004-01-01 |
| WO2000037729A1 (en) | 2000-06-29 |
| DE19859571A1 (en) | 2000-06-29 |
| TR200101863T2 (en) | 2001-10-22 |
| DE59905242D1 (en) | 2003-05-28 |
| PL189518B1 (en) | 2005-08-31 |
| EP1141465A1 (en) | 2001-10-10 |
| ATE238441T1 (en) | 2003-05-15 |
| US6386004B2 (en) | 2002-05-14 |
| US20020000107A1 (en) | 2002-01-03 |
| PL348296A1 (en) | 2002-05-20 |
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