WO2007039012A1 - Flügelzellenpumpe - Google Patents
Flügelzellenpumpe Download PDFInfo
- Publication number
- WO2007039012A1 WO2007039012A1 PCT/EP2006/007943 EP2006007943W WO2007039012A1 WO 2007039012 A1 WO2007039012 A1 WO 2007039012A1 EP 2006007943 W EP2006007943 W EP 2006007943W WO 2007039012 A1 WO2007039012 A1 WO 2007039012A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- vane pump
- pump according
- rotor
- arms
- Prior art date
Links
Classifications
-
- 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
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
- F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
- F04C14/226—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam by pivoting the cam around an eccentric axis
-
- 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
- F04C2/34—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- 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
- F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
- F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- 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
- F04C2/34—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/344—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C2/3441—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C2/3445—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 the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
Definitions
- the invention relates to a vane pump having an outer rotor, an inner rotor and a plurality of vanes, which are mounted radially displaceably in substantially radial slots in the inner rotor and pivotally mounted on the outer rotor and the outer rotor slides along the inner peripheral surface of a stator, wherein the axis of the stator and the axis of the inner rotor have an offset from one another and the stator with respect to the inner rotor in the radial direction adjustable and thereby the offset is variable, and the stator is partially surrounded by a mounted in the housing of the vane pump in a pivot bearing bracket.
- a vane pump with an annular inner rotor in which a plurality of radially outwardly extending wing elements are received radially displaceable.
- the radially inner end portions of the wing elements are supported on a non-rotatable central part, the radially outer end portions of a non-rotatable outer ring.
- the rotor can be rotated about a rotation axis that is offset from the central axis of the central part and the outer ring. In this way, at a rotational movement of the rotor between the wing elements initially larger and then smaller again conveying cells. Due to the change in volume of the delivery cells fluid is first sucked into the delivery cells and then ejected again.
- a vane pump can be made simple and inexpensive.
- a vane pump in the form of a pendulum slide pump is known from DE 195 32 703 Cl.
- the wing elements are slidably received in an inner rotor, whereas they are pivotally supported in an annular outer rotor.
- the axis of rotation of the inner rotor is offset with respect to the axis of rotation of the outer rotor, whereby in operation also initially magnifying and then shrinking conveyor cells are formed.
- the known from DE 195 32 703 Cl pendulum slide pump is complex and therefore expensive to manufacture.
- the invention has for its object to provide a vane pump whose pumping power is sensitive adjustable.
- Vane pump of the aforementioned type achieved in that the bracket has on both sides of the pivot bearing projecting bracket arms, and the bracket arms embrace the stator in each case partially.
- the stator is moved not only by means of a single bail arm, for which the stator must be firmly connected to the bail arm, but that the stator is surrounded by the two bracket arms that embrace this bifurcated.
- only one of the bracket arms are subjected to a pressure, whereas the other arm is driven in other ways, for example by means of a spring.
- both arms can each be subjected to a pressure, so that the position of the stator is determined by the two pressures. In this way, a very fine setting or positioning of the stator can be achieved, which is required for map control.
- both bow arms are hydraulically or pneumatically pivotable.
- the prevailing in the system oil pressure can be used to control, or in pneumatic systems, the prevailing positive or negative pressure can be used to control the hanger arms.
- a bail arm is pivotable by means of a spring.
- the stator is adjustable by means of a spring.
- This spring which is in particular biased, has the task to adjust the bracket and / or the stator in the direction of maximum delivery of the pump, that is, either maximum pressure or maximum negative pressure. This is necessary if in a fault, the pneumatic or hydraulic control of the hanger arms fails.
- the control of the strap by means of the mechanical spring ensures that the system is supplied with the required hydraulic or pneumatic pressure or with the pneumatic negative pressure.
- the spring may be a coil spring, leaf spring, leg spring or a pneumatic cushion.
- the invention provides that the free ends of the hanger arms have piston surfaces for a pressure medium.
- the adjusting force can be determined so that the applied pressure can be passed directly to the piston surfaces.
- the piston surfaces are slidably mounted in provided in the housing of the vane pump guides. These guides serve on the one hand for sealing the piston relative to the housing, on the other hand for the exact guidance and storage of the free ends of the hanger arms.
- FIG. 1 shows a cross section through a vane pump, partially cut away
- Figure 2 is a perspective view of a
- Vane pump without housing according to a first embodiment
- Figure 3 is a perspective view of a
- Vane pump without housing according to a second embodiment.
- FIG. 1 shows schematically a housing 10 of a generally designated 12 vane pump, in which a drive shaft 14 is rotatably mounted.
- This drive shaft 14 drives an inner rotor 16, which has a plurality of radial slots 18, in which wings 20 are mounted radially displaceable.
- These wings 20 have a thickened free end 22 to which sliding blocks 24 are pivotally mounted.
- These sliding shoes 24 abut against the inner circumferential surface 26 of a stator 28 and form an outer rotor designated overall by 8.
- the inner rotor 16, two wings 20, two sliding shoes 24 and the stator 28 each have a working space 30. This is clearly visible in the cut-open section of the vane pump 12 in FIG.
- the working space 30 increases and decreases with rotating inner rotor 16, whereby a fluid is conveyed.
- a fork-shaped bracket 34 is pivotally mounted, wherein the bracket 34 has two hanger arms 36 and 38 which abut at least partially on the stator 28 and embrace this.
- the free ends 40 and 42 of the yoke arms 36 and 38 have piston surfaces 44, which acts on a prevailing in the pressure chambers 46 and 48 fluid.
- the bail arms 36 and 38 are guided in guides 50, via which they are sealed fluid-tight and wherein the guides 50 represent cylindrical surfaces.
- the bail arm 36 and thus the entire bail 34 is pivoted in the direction of the arrow 52 about the pivot axis of the pivot bearing 32, whereby the stator 28 in the direction of the arrow 52 is taken.
- the stator 28 has an axis 54 which has an offset 60 with respect to the axis 56 of the drive shaft 40.
- this offset 60 is reduced, thereby reducing the eccentricity of the inner rotor 16 to the stator 28 or outer rotor 8, whereby the working volume of the vane pump 12 is reduced.
- a mechanical spring 58 in particular a helical spring, which tries to displace the stator 28 against the direction of the arrow 52, engages on the underside of the stator 28 in a suitable manner. This displacement direction acts in the direction of maximum delivery of the vane pump 12.
- stator 28 is displaced in any case in the direction of maximum promotion, thereby ensuring that the vane pump 12, the fluid to be pumped or a negative pressure sufficiently provides.
- This spring 58 is only used to adjust the vane pump 12 for the accident.
- the regular return of the stator 28 in the direction of the maximum delivery takes place by applying a pressure to the piston surface 44 of the bail arm 38 or by reducing the pressure on the piston surface 44 of the bail arm 36.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502006002760T DE502006002760D1 (de) | 2005-10-06 | 2006-08-11 | Flügelzellenpumpe |
JP2008533882A JP4795437B2 (ja) | 2005-10-06 | 2006-08-11 | ベーンセルポンプ |
EP06776762A EP1934478B1 (de) | 2005-10-06 | 2006-08-11 | Flügelzellenpumpe |
KR1020077024161A KR101131290B1 (ko) | 2005-10-06 | 2006-08-11 | 베인셀펌프 |
CN2006800091381A CN101147000B (zh) | 2005-10-06 | 2006-08-11 | 叶片泵 |
US11/846,006 US8210836B2 (en) | 2005-10-06 | 2007-08-28 | Vane cell pump with adjustable output |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510048602 DE102005048602B4 (de) | 2005-10-06 | 2005-10-06 | Flügelzellenmaschine, insbesondere Flügelzellenpumpe |
DE102005048602.9 | 2005-10-06 | ||
DE102006021251.7 | 2006-04-28 | ||
DE102006021251A DE102006021251B4 (de) | 2005-10-06 | 2006-04-28 | Flügelzellenpumpe |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/846,006 Continuation US8210836B2 (en) | 2005-10-06 | 2007-08-28 | Vane cell pump with adjustable output |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007039012A1 true WO2007039012A1 (de) | 2007-04-12 |
Family
ID=37398813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/007943 WO2007039012A1 (de) | 2005-10-06 | 2006-08-11 | Flügelzellenpumpe |
Country Status (6)
Country | Link |
---|---|
US (1) | US8210836B2 (de) |
EP (1) | EP1934478B1 (de) |
JP (1) | JP4795437B2 (de) |
KR (1) | KR101131290B1 (de) |
DE (1) | DE502006002760D1 (de) |
WO (1) | WO2007039012A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8210836B2 (en) | 2005-10-06 | 2012-07-03 | Joma-Hydromechanic Gmbh | Vane cell pump with adjustable output |
US11242852B2 (en) | 2019-04-01 | 2022-02-08 | GM Global Technology Operations LLC | Variable displacement oil pump slide with bow spring |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007101457A1 (de) * | 2006-10-10 | 2007-09-13 | Joma-Hydromechanic Gmbh | Flügelzellenmaschine, insbesondere flügelzellenpumpe |
CN102943756A (zh) * | 2012-10-25 | 2013-02-27 | 王德忠 | 一种叶片不与转子侧壁产生摩擦的叶片泵或马达 |
US10030655B2 (en) | 2013-09-24 | 2018-07-24 | Aisin Seiki Kabushiki Kaisha | Oil pump |
KR101735084B1 (ko) | 2014-06-20 | 2017-05-12 | 반도 카가쿠 가부시키가이샤 | 전동벨트 및 이를 구비한 벨트 전동장치 |
KR101909783B1 (ko) | 2016-02-11 | 2018-10-18 | 김경수 | 외부 케이싱과 동기하여 회전하는 회전형 베인 펌프 또는 진공 펌프 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0095194A1 (de) * | 1982-05-26 | 1983-11-30 | Nissan Motor Co., Ltd. | Drehflügelpumpe |
DE4307003A1 (en) * | 1992-03-06 | 1993-09-16 | Jatco Corp | Variable volume rotary slide pump for vehicle engine - uses pair of inclusion segments inserted between rotor and cam ring. |
DE19532703C1 (de) * | 1995-09-05 | 1996-11-21 | Guenther Beez | Pendelschiebermaschine |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2142275A (en) * | 1937-08-24 | 1939-01-03 | Eclipse Aviat Corp | Fluid pump |
US2250947A (en) | 1938-06-17 | 1941-07-29 | Jr Albert Guy Carpenter | Pump |
US2628567A (en) * | 1946-12-12 | 1953-02-17 | Houdaille Hershey Corp | Reversible variable capacity fluid pump |
US2952215A (en) * | 1949-12-12 | 1960-09-13 | Hydro Aire Inc | Variable delivery high speed and pressure vane pump |
DE1403748C3 (de) | 1961-10-13 | 1974-08-29 | Breinlich, Richard, Dr., 7120 Bietigheim | Hydraulische Radialkolbenmaschine |
US3650180A (en) * | 1969-09-30 | 1972-03-21 | Arinc Res Corp | Compound hydrostatic bearing for rotary radial piston hydraulic machines |
US3637332A (en) * | 1970-07-28 | 1972-01-25 | United Aircraft Corp | Variable compression means for a rotary engine |
US3744939A (en) * | 1971-06-25 | 1973-07-10 | Chandler Evans Inc | Variable displacement vane pump |
JPS5762986A (en) | 1980-10-02 | 1982-04-16 | Nissan Motor Co Ltd | Variable displacement type vane pump |
DE3542776A1 (de) * | 1985-12-04 | 1987-07-23 | Kurt G Dipl Ing Fickelscher | Roll-ring-maschine zum verdichten und foerdern von fluiden |
JP2788774B2 (ja) * | 1989-12-27 | 1998-08-20 | トヨタ自動車株式会社 | 可変容量型ベーンポンプ |
DE4014636A1 (de) * | 1990-05-08 | 1992-07-02 | Thomas Lindlmair | Rotationspumpe mit variablen foerdermengen und foerdereinrichtungen bei gleicher pumpendrehzahl und -drehrichtung |
DE4200305C2 (de) * | 1992-01-09 | 1995-06-08 | Glyco Metall Werke | Regelbare Flügelzellenpumpe in kompakter Bauweise |
DE4302610C2 (de) * | 1993-01-30 | 1996-08-08 | Daimler Benz Ag | Verfahren zum Regeln der Pumpleistung von Schmiermittelpumpen und Schmiermittelpumpe hierfür |
DE4319200C1 (de) * | 1993-06-09 | 1994-07-21 | Glyco Metall Werke | Mehrstufenregler für Schmiermittelpumpen mit kontinuierlich veränderbarem Fördervolumen |
DE4442083C2 (de) * | 1993-11-26 | 1998-07-02 | Aisin Seiki | Flügelzellenpumpe |
DE19504220A1 (de) | 1995-02-09 | 1996-08-14 | Bosch Gmbh Robert | Verstellbare hydrostatische Pumpe |
DE19533686C2 (de) * | 1995-09-12 | 1997-06-19 | Daimler Benz Ag | Regelbare Flügelzellenpumpe als Schmiermittelpumpe |
DE19631974C2 (de) | 1996-08-08 | 2002-08-22 | Bosch Gmbh Robert | Flügelzellenmaschine |
DE10029969C1 (de) | 2000-06-26 | 2001-08-30 | Joma Hydromechanic Gmbh | Flügelzellenpumpe |
DE10352267A1 (de) * | 2003-11-08 | 2005-06-16 | Beez, Günther, Dipl.-Ing. | Pendelschiebermaschine |
EP1794457B1 (de) * | 2005-10-06 | 2009-07-08 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
JP4795437B2 (ja) | 2005-10-06 | 2011-10-19 | ヨーマ−ポリテック ゲーエムベーハー | ベーンセルポンプ |
JP4837042B2 (ja) * | 2005-10-06 | 2011-12-14 | ヨーマ−ポリテック ゲーエムベーハー | ベーンセルポンプ |
WO2007101457A1 (de) * | 2006-10-10 | 2007-09-13 | Joma-Hydromechanic Gmbh | Flügelzellenmaschine, insbesondere flügelzellenpumpe |
-
2006
- 2006-08-11 JP JP2008533882A patent/JP4795437B2/ja not_active Expired - Fee Related
- 2006-08-11 EP EP06776762A patent/EP1934478B1/de not_active Not-in-force
- 2006-08-11 DE DE502006002760T patent/DE502006002760D1/de active Active
- 2006-08-11 WO PCT/EP2006/007943 patent/WO2007039012A1/de active Application Filing
- 2006-08-11 KR KR1020077024161A patent/KR101131290B1/ko not_active IP Right Cessation
-
2007
- 2007-08-28 US US11/846,006 patent/US8210836B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0095194A1 (de) * | 1982-05-26 | 1983-11-30 | Nissan Motor Co., Ltd. | Drehflügelpumpe |
DE4307003A1 (en) * | 1992-03-06 | 1993-09-16 | Jatco Corp | Variable volume rotary slide pump for vehicle engine - uses pair of inclusion segments inserted between rotor and cam ring. |
DE19532703C1 (de) * | 1995-09-05 | 1996-11-21 | Guenther Beez | Pendelschiebermaschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8210836B2 (en) | 2005-10-06 | 2012-07-03 | Joma-Hydromechanic Gmbh | Vane cell pump with adjustable output |
US11242852B2 (en) | 2019-04-01 | 2022-02-08 | GM Global Technology Operations LLC | Variable displacement oil pump slide with bow spring |
Also Published As
Publication number | Publication date |
---|---|
KR20080049690A (ko) | 2008-06-04 |
JP2009510330A (ja) | 2009-03-12 |
JP4795437B2 (ja) | 2011-10-19 |
EP1934478B1 (de) | 2009-01-28 |
KR101131290B1 (ko) | 2012-03-30 |
EP1934478A1 (de) | 2008-06-25 |
DE502006002760D1 (de) | 2009-03-19 |
US8210836B2 (en) | 2012-07-03 |
US20070292291A1 (en) | 2007-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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