EP2946115B1 - Spiral compressor - Google Patents
Spiral compressor Download PDFInfo
- Publication number
- EP2946115B1 EP2946115B1 EP14700355.2A EP14700355A EP2946115B1 EP 2946115 B1 EP2946115 B1 EP 2946115B1 EP 14700355 A EP14700355 A EP 14700355A EP 2946115 B1 EP2946115 B1 EP 2946115B1
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- EP
- European Patent Office
- Prior art keywords
- spiral
- pendulum
- inner ring
- compressor according
- pendulums
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
- F01C17/066—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/005—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of dissimilar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
- F04C2/324—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the inner member and reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
- F04C2/332—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
- F04C2/332—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member
- F04C2/336—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member and hinged to the inner member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C29/0057—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
Definitions
- the present invention relates to a scroll compressor with a fixed first spiral and an engaging, orbiting second spiral according to the preamble of claim 1.
- a scroll compressor is for example from EP 0 756 086 known.
- Scroll compressors commonly called scroll compressors, are machines that can compress gases. They consist of two nested spirals whose opposite movement compresses the gas. Scroll compressors work according to the displacement principle, wherein one of the two spirals is stationary, while the other is guided over an eccentric drive on a circular path. In this case, the spirals touch each other several times and form within the turns several constantly smaller chambers, whereby the gas to be pumped sucked in the outside, compressed inside the pump and discharged through a connection in the middle of the coil.
- Such scroll compressors are also commonly used for compressors in refrigerators or heat pumps.
- a generic scroll compressor for compressing a fluid comprising housing means for forming an outer backbone of the compressor, which is provided with an inlet port for introducing the fluid into the compressor and an outlet.
- the rotation preventing means for this purpose has a plurality of pin and ring compositions, each having a pair of pins, each mounted on a compressor housing and the spiral. This is essentially an identishe Load on each pair of pins of the plurality of pin and ring compositions act.
- the present invention addresses the problem of providing an improved embodiment for a scroll compressor of the generic type, which is characterized in particular by an alternative construction of a rotation prevention device.
- the present invention is based on the general idea of replacing in a conventional scroll compressor with a fixed first spiral and an orbiting second spiral engaging therein a hitherto used anti-rotation device which generates the orbiting motion of the second spiral by a pendulum slide mechanism ,
- a pendulum slide mechanism offers the great advantage of being able to realize the orbiting movement of the second spiral with comparatively small moving masses and low noise development.
- a scroll compressor with such a pendulum slide mechanism offers a high degree of efficiency compared to previous scroll compressors.
- roller compressor is to be understood explicitly not only a compressor, which increases the density of the fluid to be pumped, for example, the gas to be conveyed, but in the same way, an expansion machine, which by expanding the gas in the spiral spaces the density of the fluid to be delivered reduced.
- an electric motor can be used as a generator.
- the term “scroll compressor” by the terms “Compressor” or “expansion machine” are replaced.
- the pendulum slide mechanism now has an inner ring and a pendulum connected and fixed / stationary outer ring, wherein the inner ring is on the one hand rotatably driven connected to an eccentric and on the other hand firmly connected to the second spiral, so that in a drive of the eccentric, the second spiral due to the pendulum slide mechanism performs the required orbiting movement, in particular with respect to the first spiral.
- the invention thus replaces the previously required to generate the orbiting movement scroll transmission through the pendulum slide mechanism.
- the pendulum are pivotally mounted on the inner ring and guided in extending in the radial direction Pendel arrangementnuten in the outer ring.
- the pendulum is articulated mounted on the outer ring and guided in the radial direction pendulum guide in the inner ring.
- the pendulum guide grooves expediently have lateral groove walls with a sliding radius in the entry area.
- a sliding radius which is formed in the manner of rounded groove walls, allows a particularly smooth movement of the pendulum slide mechanism, whereby in particular the efficiency of the scroll compressor according to the invention can be increased.
- the pendulum are designed as a double pendulum with an inner leg and an outer leg hinged thereto.
- pendulum guide grooves are arranged neither in the inner ring nor in the outer ring, but the Pendulum hinged to the inner ring or to the outer ring.
- the advantage of such a double pendulum lies in particular in a low-wear and smooth movement.
- the pendulums are hingedly connected to a sliding element which is guided in the respective pendulum guide groove.
- a sliding element facilitates the sliding movement of the pendulum in the radial groove and, in addition, due to a piston-like design, enables a separate compression or expansion of a further fluid or the provision of a further compression / expansion stage.
- two further compression stages can be realized by the pendulum slide mechanism, namely the first between the inner ring and the outer ring and the second between the pendulum and the Pendel arrangementsnut, so that together with the first and second spiral purely theoretically a three-stage compressor can be provided or theoretically three separate fluids can be compressed or expanded.
- the inner ring is formed in one piece or in one piece with the second spiral. This eliminates the need to assemble the second spiral on the inner ring, since they are made together in a one-piece design together from a single piece.
- a one-piece design of the two components mentioned is conceivable, so that the spiral can be connected directly or indirectly via an intermediate piece with the inner ring.
- a spiral compressor 1 according to the invention has a fixed first spiral 2 and an orbiting second spiral 3 engaging therein.
- the area around the spirals 2, 3 is closed by a cover 24.
- the scroll compressor 1 can be operated by a switching operation, that is, a reversal of rotation, as an expansion machine, so that in the following, although always from the scroll compressor 1 is mentioned, but of course, an expansion machine 1 can fall.
- a scrolling mechanism previously used for this purpose is replaced by a pendulum slide mechanism 4 which has an inner ring 5 and a fixed outer ring 7 connected thereto via pendulum 6.
- the inner ring 5 is on the one hand rotatably drivingly connected to an eccentric 8, which in turn rotatably connected to a shaft 9, for example, driven by an electric motor 10 or a pulley, not shown.
- the inner ring 5 is fixedly connected to the second spiral 3, so that, when the eccentric 8 is driven, the second spiral 3, due to the pendulum slide mechanism 4, has the required orbiting movement the first spiral 2 executes.
- the pendulum slide mechanism 4 as a rotation prevention device for the second spiral 3, a smooth-running and low-noise operation of the scroll compressor 1 or the expansion machine 1 can be achieved.
- the pendulum slide mechanism 4 also has significantly lower moving masses, as a result of which less energy has to be expended for operating the scroll compressor 1.
- FIGS. 2a to 2c different embodiments of the invention Pendelschiebermechanik 4 are shown.
- the pendulum 6 are articulated mounted on the outer ring 7 and guided in extending in the radial direction Pendel arrangementsnuten 11 in the inner ring 5.
- FIG. 2b shows the reverse embodiment, in which the pendulum 6 articulated mounted on the inner ring 5 and guided in extending in the radial direction Pendel arrangementsnuten 11 in the outer ring 7.
- the pendulum slide mechanism 4 should have at least three pendulums 6, but preferably it has more, in particular six or seven pendulum 6.
- the pendulum 6 are designed as double pendulum, each with an inner leg 12 and an outer leg 13.
- the outer leg 13 is pivotally connected to the outer ring 7 and at the same time pivotally connected to the inner leg 12, whereas the inner leg 12 is connected via a kind of knee joint articulated to the outer leg 13 and on the other hand hinged to the inner ring 5.
- Pendel operationsnuten 11 are not required in this embodiment of the pendulum slide mechanism 4. Trained as a double pendulum pendulum 6 allow a very low-wear operation, since the previously occurring friction between the pendulum 6 and the outer ring 7 can be significantly reduced by trained as a double pendulum pendulum 6.
- the scroll compressor 1 according to the invention is also characterized by a smooth running.
- the pendulum 6 according to the Figures 2a, 2b, 3 and 4b are also formed symmetrically, of course, asymmetric pendulum 6 can be used, as for example according to the FIG. 4a is shown.
- the pendulum guide grooves 11 in the entrance area can have side groove walls 14 with a sliding radius 15, as shown in detail in FIG FIG. 4b is shown.
- FIG. 7 the inner ring 5 is connected via a connecting element 18 with the second spiral 3, whereas in FIG. 8 the inner ring 5 is formed integrally with the second spiral 3.
- FIG. 9 Another alternative embodiment of this is in FIG. 9 shown, in which the inner ring 5 is connected directly to the second spiral 3, for example via a joint 19.
- Such joint compound 19 may for example be a thermal joint or a connection by means of welding, soldering or gluing.
- the scroll compressor 1 according to the FIG. 10 it can be seen that in this the inner ring 5, the pendulum 6 and parts of the outer ring 7 lie in a plane with respect to an axis 20 of the scroll compressor 1.
- the scroll compressor 1 according to the FIG. 11 constructed there, where it is clearly visible that the pendulum 6 extend between two levels, wherein in the first level, a part of the pendulum 6 and the inner ring 5 of the pendulum slide mechanism 4 are arranged, whereas in the second level also a part of the pendulum 6 and the outer ring 7 are arranged.
- the inner ring 5 and the outer ring 7 are thus operatively connected to each other via the pendulum 6 extending over both planes.
- a scroll compressor 1 or an expansion machine 1 are created, which requires less energy to drive due to low moving masses and at the same time quiet and works with high efficiency.
- the spiral compressor 1 according to the invention can thus compress or expand a gas in first chambers 21 and in second chambers 22 or third chambers 23 further fluids.
- the first spaces 21 lie between the first and second spiral 2, 3, whereas the second spaces between the inner ring 5, the outer ring 7 and the pendulums 6 are arranged.
- the third chambers 23 in turn are bounded on the one hand by the pendulum 6 or sliding element 16 and on the other hand by the pendulum guide groove 11.
- up to three separate fluids can be compressed or expanded with the scroll compressor 1 according to the invention, it being alternatively also conceivable that the first, second and third Rooms 21, 22 and 23 represent consecutive compression or expansion stages.
- the scroll compressor 1 according to the invention can be used, for example, as a compressor in the field of air conditioners or refrigerating machines, in particular also in motor vehicles.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
Die vorliegende Erfindung betrifft einen Spiralverdichter mit einer feststehenden ersten Spirale und einer darin eingreifenden, orbitierenden zweiten Spirale gemäß dem Oberbegriff des Anspruchs 1. Ein solcher Spiralverdichter ist z.B. aus der
Aus der
Aus der
Die vorliegende Erfindung beschäftigt sich mit dem Problem, für einen Spiralverdichter der gattungsgemäßen Art eine verbesserte Ausführungsform anzugeben, die sich insbesondere durch einen alternativen Aufbau einer Rotationsverhinderungseinrichtung auszeichnet.The present invention addresses the problem of providing an improved embodiment for a scroll compressor of the generic type, which is characterized in particular by an alternative construction of a rotation prevention device.
Dieses Problem wird erfindungsgemäß durch den Gegenstand des unabhängigen Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matter of
Die vorliegende Erfindung beruht auf dem allgemeinen Gedanken, bei einem an sich bekannten Spiralverdichter mit einer feststehenden ersten Spirale und einer darin eingreifenden, orbitierenden zweiten Spirale eine bisher verwendete Rotationsverhinderungseinrichtung bzw. Antirotationseinrichtung, welche die orbitierende Bewegung der zweiten Spirale erzeugt, durch eine Pendelschiebermechanik zu ersetzen. Eine derartige Pendelschiebermechanik bietet den großen Vorteil, die orbitierende Bewegung der zweiten Spirale mit vergleichsweise kleinen bewegten Massen und einer geringen Geräuschentwicklung realisieren zu können. Gleichzeitig bietet ein Spiralverdichter mit einer derartigen Pendelschiebermechanik einen hohen Wirkungsgrad im Vergleich zu bisherigen Spiralverdichtern. Unter dem Begriff "Spiralverdichter" soll dabei ausdrücklich nicht nur ein Kompressor verstanden werden, welcher die Dichte des zu fördernden Fluides, beispielsweise des zu fördernden Gases, erhöht, sondern in gleicher Weise auch eine Expansionsmaschine, welche durch Expandieren des Gases in den Spiralräumen die Dichte des zu fördernden Fluids verringert. Hierdurch kann beispielsweise ein Elektromotor als Generator genutzt werden. In der gesamten vorliegenden Patentanmeldung kann somit der Begriff "Spiralverdichter" durch die Begriffe "Kompressor" oder "Expansionsmaschine" ersetzt werden. Erfindungsgemäß weist nun die Pendelschiebermechanik einen Innenring und einen damit über Pendel verbundenen und feststehenden/stationären Außenring auf, wobei der Innenring einerseits drehbar mit einem Exzenter antriebsverbunden ist und andererseits fest mit der zweiten Spirale verbunden ist, so dass bei einem Antrieb des Exzenters die zweite Spirale aufgrund der Pendelschiebermechanik die erforderliche orbitierende Bewegung, insbesondere bezüglich der ersten Spirale, ausführt. Die Erfindung ersetzt somit das bisher zum Erzeugen der orbitierenden Bewegung erforderliche Scroll-Getriebe durch die Pendelschiebermechanik.The present invention is based on the general idea of replacing in a conventional scroll compressor with a fixed first spiral and an orbiting second spiral engaging therein a hitherto used anti-rotation device which generates the orbiting motion of the second spiral by a pendulum slide mechanism , Such a pendulum slide mechanism offers the great advantage of being able to realize the orbiting movement of the second spiral with comparatively small moving masses and low noise development. At the same time a scroll compressor with such a pendulum slide mechanism offers a high degree of efficiency compared to previous scroll compressors. The term "scroll compressor" is to be understood explicitly not only a compressor, which increases the density of the fluid to be pumped, for example, the gas to be conveyed, but in the same way, an expansion machine, which by expanding the gas in the spiral spaces the density of the fluid to be delivered reduced. As a result, for example, an electric motor can be used as a generator. Throughout the present patent application, the term "scroll compressor" by the terms "Compressor" or "expansion machine" are replaced. According to the invention, the pendulum slide mechanism now has an inner ring and a pendulum connected and fixed / stationary outer ring, wherein the inner ring is on the one hand rotatably driven connected to an eccentric and on the other hand firmly connected to the second spiral, so that in a drive of the eccentric, the second spiral due to the pendulum slide mechanism performs the required orbiting movement, in particular with respect to the first spiral. The invention thus replaces the previously required to generate the orbiting movement scroll transmission through the pendulum slide mechanism.
Bei einer vorteilhaften Weiterbildung der erfindungsgemäßen Lösung sind die Pendel gelenkig am Innenring gelagert und in in Radialrichtung verlaufenden Pendelführungsnuten im Außenring geführt. Gleichfalls ist auch eine umgekehrte Bauweise denkbar, bei welcher die Pendel gelenkig am Außenring gelagert und in in Radialrichtung verlaufenden Pendelführungsnuten im Innenring geführt sind. Beide Ausführungsformen erlauben dabei die Bereitstellung einer Rotationsverhinderungseinrichtung für die zweite Spirale, wobei rein theoretisch die Pendelschiebermechanik zusätzlich zur Förderung eines Fluides, beispielsweise eines separaten Fluides oder aber zur Vorverdichtung des im Spiralverdichter nachverdichteten Fluides ausgeführt sein können.In an advantageous embodiment of the solution according to the invention, the pendulum are pivotally mounted on the inner ring and guided in extending in the radial direction Pendelführungsnuten in the outer ring. Likewise, a reverse construction is conceivable in which the pendulum is articulated mounted on the outer ring and guided in the radial direction pendulum guide in the inner ring. Both embodiments allow the provision of a rotation prevention device for the second spiral, wherein theoretically the pendulum slide mechanism in addition to the promotion of a fluid, for example a separate fluid or for pre-compression of the recompressed in the scroll compressor fluid can be performed.
Zweckmäßig weisen die Pendelführungsnuten im Eingangsbereich seitliche Nutwände mit einem Abgleitradius auf. Ein derartiger Abgleitradius, der in der Art von ausgerundeten Nutwänden ausgebildet ist, ermöglicht eine besonders leichtgängige Bewegung der Pendelschiebermechanik, wodurch insbesondere der Wirkungsgrad des erfindungsgemäßen Spiralverdichters erhöht werden kann.The pendulum guide grooves expediently have lateral groove walls with a sliding radius in the entry area. Such a sliding radius, which is formed in the manner of rounded groove walls, allows a particularly smooth movement of the pendulum slide mechanism, whereby in particular the efficiency of the scroll compressor according to the invention can be increased.
Bei einer vorteilhaften Weiterbildung der erfindungsgemäßen Lösung sind die Pendel als Doppelpendel mit einem Innenschenkel und einem damit gelenkig verbundenen Außenschenkel ausgebildet. Bei dieser Ausführungsform sind weder im Innenring noch im Außenring Pendelführungsnuten angeordnet, sondern die Pendel jeweils am Innenring bzw. am Außenring gelenkig angebunden. Der Vorteil eines derartigen Doppelpendels liegt insbesondere in einer verschleißarmen und leichtgängigen Bewegung.In an advantageous embodiment of the solution according to the invention, the pendulum are designed as a double pendulum with an inner leg and an outer leg hinged thereto. In this embodiment, pendulum guide grooves are arranged neither in the inner ring nor in the outer ring, but the Pendulum hinged to the inner ring or to the outer ring. The advantage of such a double pendulum lies in particular in a low-wear and smooth movement.
In einer weiteren Ausführungsform sind die Pendel mit einem Gleitelement gelenkig verbunden, welches in der jeweiligen Pendelführungsnut geführt ist. Ein derartiges Gleitelement erleichtert unter Umständen die Gleitbewegung des Pendels in der Radialnut und ermöglicht darüber hinaus aufgrund einer kolbenmäßigen Ausbildung ein separates Verdichten bzw. Expandieren eines weiteren Fluids bzw. das Bereitstellen einer weiteren Verdichtungs-/Expansionsstufe. Durch die Pendelschiebermechanik lassen sich dabei prinzipiell zwei weitere Verdichtungsstufen realisieren, nämlich die erste zwischen dem Innenring und dem Außenring und die zweite zwischen dem Pendel und der Pendelführungsnut, so dass zusammen mit der ersten und zweiten Spirale rein theoretisch ein dreistufiger Verdichter bereitgestellt werden kann oder aber rein theoretisch drei separate Fluide verdichtet bzw. expandiert werden können.In a further embodiment, the pendulums are hingedly connected to a sliding element which is guided in the respective pendulum guide groove. Under certain circumstances, such a sliding element facilitates the sliding movement of the pendulum in the radial groove and, in addition, due to a piston-like design, enables a separate compression or expansion of a further fluid or the provision of a further compression / expansion stage. In principle, two further compression stages can be realized by the pendulum slide mechanism, namely the first between the inner ring and the outer ring and the second between the pendulum and the Pendelführungsnut, so that together with the first and second spiral purely theoretically a three-stage compressor can be provided or theoretically three separate fluids can be compressed or expanded.
Bei einer weiteren vorteilhaften Ausführungsform der erfindungsgemäßen Lösung ist der Innenring einstückig oder einteilig mit der zweiten Spirale ausgebildet. Hierdurch erübrigt sich eine Montage der zweiten Spirale am Innenring, da diese bei einer einstückigen Ausbildung zusammen aus einem einzigen Stück hergestellt werden. Selbstverständlich ist auch eine einteilige Ausbildung der beiden genannten Komponenten denkbar, so dass die Spirale direkt oder indirekt über ein Zwischenstück mit dem Innenring verbunden werden kann.In a further advantageous embodiment of the solution according to the invention, the inner ring is formed in one piece or in one piece with the second spiral. This eliminates the need to assemble the second spiral on the inner ring, since they are made together in a one-piece design together from a single piece. Of course, a one-piece design of the two components mentioned is conceivable, so that the spiral can be connected directly or indirectly via an intermediate piece with the inner ring.
Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawings and from the associated figure description with reference to the drawings.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained not only in the combination specified, but can also be used in other combinations or in isolation, without departing from the scope of the present invention.
Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird in der nachfolgenden Beschreibung näher erläutert.A preferred embodiment of the invention is illustrated in the drawings and will be explained in more detail in the following description.
Dabei zeigen, jeweils schematisch:
- Fig. 1
- eine Schnittdarstellung durch einen erfindungsgemäßen Spiralverdichter,
- Fig. 2a-c
- unterschiedliche mögliche Ausführungsformen der erfindungsgemäßen Pendelschiebermechanik,
- Fig. 3
- eine Darstellung eines Pendels mit zusätzlichem Gleitelement,
- Fig. 4a
- eine Darstellung der Pendelschiebermechanik mit einem asymmetrischen Pendel,
- Fig. 4b
- ein symmetrisches Pendel wie es in einer Pendelführungsnut mit Abgleitradius geführt ist,
- Fig. 5
- eine Pendelschiebermechanik mit separatem Außenring,
- Fig. 6
- eine Darstellung wie in
Fig. 5 , wobei jedoch der Außenring in ein Gehäuse integriert ist, - Fig. 7
- eine teilweise geschnittene Ansicht auf den Spiralverdichter mit Innenring und separat dazu ausgebildeter zweiter Spirale, die über ein Verbindungselement miteinander verbunden sind,
- Fig. 8
- eine Darstellung wie in
Fig. 7 , wobei jedoch Innenring und zweite Spirale einstückig ausgebildet sind, - Fig. 9
- eine ähnliche Darstellung wie in
Fig. 7 , wobei jedoch der Innenring der Pendelschiebermechanik direkt mit der zweiten Spirale verbunden ist, - Fig. 10
- eine weitere teilweise geschnittene Ansicht des erfindungsgemäßen Spiralverdichters, bei welcher sich Innenring, Pendel, Pendelführungsnuten und Außenring in einer Ebene befinden,
- Fig. 11
- eine Darstellung wie in
Fig. 10 , bei der sich jedoch der Außenring, die Pendel und der Innenring der Pendelschiebermechanik in unterschiedlichen Ebenen befinden.
- Fig. 1
- a sectional view through a scroll compressor according to the invention,
- Fig. 2a-c
- different possible embodiments of the pendulum slide mechanism according to the invention,
- Fig. 3
- a representation of a pendulum with additional sliding element,
- Fig. 4a
- a representation of the pendulum slide mechanism with an asymmetrical pendulum,
- Fig. 4b
- a symmetrical pendulum as it is guided in a pendulum guide groove with sliding radius,
- Fig. 5
- a pendulum slide mechanism with separate outer ring,
- Fig. 6
- a representation like in
Fig. 5 but wherein the outer ring is integrated in a housing, - Fig. 7
- a partially sectioned view of the scroll compressor with inner ring and separately formed second spiral, which are interconnected via a connecting element,
- Fig. 8
- a representation like in
Fig. 7 wherein, however, the inner ring and the second spiral are integrally formed, - Fig. 9
- a similar representation as in
Fig. 7 in which, however, the inner ring of the pendulum slide mechanism is directly connected to the second spiral, - Fig. 10
- a further partially sectioned view of the scroll compressor according to the invention, in which the inner ring, pendulum, Pendelführungsnuten and outer ring are in a plane,
- Fig. 11
- a representation like in
Fig. 10 in which, however, the outer ring, the pendulum and the inner ring of the pendulum slide mechanism are in different planes.
Entsprechend den
In den
Betrachtet man die
Die Pendel 6 gemäß den
Betrachtet man nochmals die Pendelschiebermechaniken 4 gemäß den
Betrachtet man die Ausführungsformen des Spiralverdichters 1 bzw. der Expansionsmaschine 1 gemäß den
Gemäß der
Betrachtet man schließlich den Spiralverdichter 1 gemäß der
Generell kann durch den Ersatz des bisher erforderlichen Scroll-Getriebes zur Erzeugung der orbitierenden Bewegung der zweiten Spirale 3 mittels der erfindungsgemäßen Pendelschiebermechanik 4 ein Spiralverdichter 1 bzw. eine Expansionsmaschine 1 geschaffen werden, die aufgrund geringer bewegter Massen weniger Energie zum Antrieb benötigt und zugleich geräuscharm und mit hohem Wirkungsgrad arbeitet.In general, by replacing the previously required scroll transmission to produce the orbiting motion of the
Darüber hinaus ist es mit der erfindungsgemäßen Pendelschiebermechanik 4 möglich, weitere Fluide separat zu demjenigen zu fördern, das mittels der ersten und zweiten Spirale 2, 3 verdichtet bzw. expandiert wird. Der erfindungsgemäße Spiralverdichter 1 kann somit in ersten Räumen 21 ein Gas verdichten bzw. expandieren und in zweiten Räumen 22 bzw. dritten Räumen 23 weitere Fluide. Die ersten Räume 21 liegen dabei zwischen der ersten und zweiten Spirale 2, 3, wogegen die zweiten Räume zwischen dem Innenring 5, dem Außenring 7 und den Pendeln 6 angeordnet sind. Die dritten Räumen 23 wiederum werden einerseits durch das Pendel 6 bzw. Gleitelement 16 und andererseits durch die Pendelführungsnut 11 begrenzt. Rein theoretisch können somit mit dem erfindungsgemäßen Spiralverdichter 1 bis zu drei separate Fluide verdichtet bzw. expandiert werden, wobei alternativ auch vorstellbar ist, dass die ersten, zweiten und dritten Räume 21, 22 und 23 hintereinander geschaltete Verdichtungs- bzw. Expansionsstufen darstellen.Moreover, with the
Der erfindungsgemäße Spiralverdichter 1 kann beispielsweise als Kompressor im Bereich von Klimaanlagen bzw. Kältemaschinen, insbesondere auch in Kraftfahrzeugen, eingesetzt werden.The
Claims (11)
- Spiral compressor (1) with a fixed first spiral (2) and a second spiral (3) which engages, orbiting, in said first spiral, characterised in that a pendulum slider mechanism (4) is provided having an inner ring (5) and a stationary outer ring (7) connected with said inner ring via pendulums (6), wherein the inner ring (5) is on one side drivingly connected with an eccentric cam (8) and is on the other side fixedly connected with the second spiral (3), so that when the eccentric cam (8) is driven the second spiral (3) by reason of the pendulum slider mechanism (4) carries out the necessary orbiting movements with respect to the first spiral (2).
- Spiral compressor according to claim 1, characterised in that the pendulums (6) are mounted hingedly on the inner ring (5) and are guided in pendulum guiding grooves (11) in the outer ring (7) extending in a radial direction, or vice versa.
- Spiral compressor according to claim 1 or 2, characterised in that the pendulum guiding grooves (11) have in the entry region lateral groove walls (14) with a slide-off radius (15).
- Spiral compressor according to one of claims 1 to 3, characterised in that the pendulums (6) are formed asymmetrically.
- Spiral compressor according to one of claims 2 to 4, characterised in that the pendulum guiding grooves (11) are disposed symmetrically or asymmetrically at the circumference of the inner ring (5) or the outer ring (7).
- Spiral compressor according to claim 1, characterised in that the pendulums (6) are in the form of double pendulums with an inner leg (12) and an outer leg (13) connected hingedly with said inner leg.
- Spiral compressor according to one of claims 1 to 6, characterised in that the outer ring (7) is a separate component or alternatively forms a part of a housing (17) of the spiral compressor (1).
- Spiral compressor according to one of claims 2 to 5 or 7, characterised in that the pendulums (6) are hingedly connected with a sliding element (16), which is guided in the respective pendulum guiding groove (11).
- Spiral compressor according to one of claims 1 to 8, characterised in that- the inner ring (5) is formed in one piece or integrally with the second spiral (3), or- the inner ring (5) is directly connected with the second spiral (3), or- the inner ring (5) is connected by means of at least one further component with the second spiral (3).
- Spiral compressor according to one of claims 1 to 9, characterised in that- the inner ring (5), the pendulums (6) and the outer ring (7) are disposed on one plane, or- at least one of these parts (5, 6, 7) is disposed on a different plane.
- Spiral compressor according to one of claims 1 to 10, characterised in that- at least three, preferably six pendulums (6) are provided,- an electric motor (10) or a belt reel is provided to drive the eccentric cam (8).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013200807.4A DE102013200807A1 (en) | 2013-01-18 | 2013-01-18 | scroll compressor |
PCT/EP2014/050407 WO2014111318A2 (en) | 2013-01-18 | 2014-01-10 | Spiral compressor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2946115A2 EP2946115A2 (en) | 2015-11-25 |
EP2946115B1 true EP2946115B1 (en) | 2018-07-25 |
Family
ID=49956175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14700355.2A Not-in-force EP2946115B1 (en) | 2013-01-18 | 2014-01-10 | Spiral compressor |
Country Status (4)
Country | Link |
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US (1) | US9771937B2 (en) |
EP (1) | EP2946115B1 (en) |
DE (1) | DE102013200807A1 (en) |
WO (1) | WO2014111318A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105190045B (en) * | 2013-06-05 | 2017-04-26 | Lg电子株式会社 | Scroll compressor |
DE102016226118A1 (en) | 2016-12-22 | 2018-06-28 | Volkswagen Aktiengesellschaft | scroll compressor |
GB2569658B (en) * | 2017-12-22 | 2020-07-08 | Edwards Ltd | Scroll pump and scroll pump anti-rotation device |
DE112018007222T5 (en) * | 2018-03-05 | 2020-11-26 | Pierburg Pump Technology Gmbh | Variable pendulum slide lubricant pump |
WO2019170218A1 (en) * | 2018-03-05 | 2019-09-12 | Pierburg Pump Technology Gmbh | Variable displacement lubricant pump |
CN114810598A (en) * | 2022-04-29 | 2022-07-29 | 宁波金巽科技有限公司 | Novel combined compressor structure |
CN115126684B (en) * | 2022-06-24 | 2023-08-08 | 清华大学 | Dual-mode compressor |
Family Cites Families (18)
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DE506697C (en) * | 1930-09-06 | Giovanni Luchsinger | Rotary lobe viscose pump with sickle-shaped working space | |
US801182A (en) | 1905-06-26 | 1905-10-03 | Leon Creux | Rotary engine. |
US2859911A (en) * | 1953-09-08 | 1958-11-11 | Reitter Teodoro | Rotary compressor |
DE1126405B (en) * | 1961-01-17 | 1962-03-29 | Ludger Volpert | Rotary piston machine |
AT247727B (en) * | 1964-05-15 | 1966-06-27 | Karl Kladek | Rotary vane pump or liquid motor |
US4125031A (en) * | 1977-01-03 | 1978-11-14 | Swain James C | Coupler for two eccentrically rotating members |
DE2927690A1 (en) * | 1979-07-09 | 1981-01-29 | Leybold Heraeus Gmbh & Co Kg | DISPLACEMENT MACHINE ACCORDING TO THE SPIRAL PRINCIPLE |
FR2519382A1 (en) * | 1982-01-07 | 1983-07-08 | Campguilhem Jacques | Vaned rotor fluid compressor - has hinged vanes supported between eccentric rotor and rotating outer rings |
US4795323A (en) * | 1987-11-02 | 1989-01-03 | Carrier Corporation | Scroll machine with anti-rotation mechanism |
US4927340A (en) * | 1988-08-19 | 1990-05-22 | Arthur D. Little, Inc. | Synchronizing and unloading system for scroll fluid device |
US4927339A (en) * | 1988-10-14 | 1990-05-22 | American Standard Inc. | Rotating scroll apparatus with axially biased scroll members |
JP3028755B2 (en) | 1995-07-25 | 2000-04-04 | 株式会社デンソー | Scroll compressor |
US5934890A (en) * | 1996-05-20 | 1999-08-10 | Tokico Ltd. | Scroll fluid machine having a rotating preventing mechanism including a resilient member |
JP2002357188A (en) | 2001-05-30 | 2002-12-13 | Toyota Industries Corp | Scroll compressor and gas compressing method for scroll compressor |
DE10334672B3 (en) * | 2003-07-30 | 2005-01-13 | Beez, Günther, Dipl.-Ing. | Pendulum slide machine for liquid or gas displacement has cam with suction element on one side and pressure element on other |
JP5500566B2 (en) * | 2008-04-10 | 2014-05-21 | サンデン株式会社 | Scroll type fluid machinery |
GB201007028D0 (en) * | 2010-04-28 | 2010-06-09 | Edwards Ltd | Scroll pump |
JP5643039B2 (en) * | 2010-09-27 | 2014-12-17 | 株式会社マーレ フィルターシステムズ | Electric pump |
-
2013
- 2013-01-18 DE DE102013200807.4A patent/DE102013200807A1/en not_active Withdrawn
-
2014
- 2014-01-10 WO PCT/EP2014/050407 patent/WO2014111318A2/en active Application Filing
- 2014-01-10 EP EP14700355.2A patent/EP2946115B1/en not_active Not-in-force
- 2014-01-10 US US14/761,867 patent/US9771937B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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EP2946115A2 (en) | 2015-11-25 |
US20150369243A1 (en) | 2015-12-24 |
US9771937B2 (en) | 2017-09-26 |
WO2014111318A2 (en) | 2014-07-24 |
DE102013200807A1 (en) | 2014-07-24 |
WO2014111318A3 (en) | 2014-12-11 |
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