EP1931879B1 - Vane cell pump - Google Patents

Vane cell pump Download PDF

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Publication number
EP1931879B1
EP1931879B1 EP20060792220 EP06792220A EP1931879B1 EP 1931879 B1 EP1931879 B1 EP 1931879B1 EP 20060792220 EP20060792220 EP 20060792220 EP 06792220 A EP06792220 A EP 06792220A EP 1931879 B1 EP1931879 B1 EP 1931879B1
Authority
EP
European Patent Office
Prior art keywords
guide ring
rotor
cell pump
vane cell
axial
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.)
Active
Application number
EP20060792220
Other languages
German (de)
French (fr)
Other versions
EP1931879A1 (en
Inventor
Willi Schneider
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joma-Polytec Kunststofftechnik GmbH
Original Assignee
Joma-Polytec Kunststofftechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE200510048602 priority Critical patent/DE102005048602B4/en
Priority to DE200610021252 priority patent/DE102006021252A1/en
Application filed by Joma-Polytec Kunststofftechnik GmbH filed Critical Joma-Polytec Kunststofftechnik GmbH
Priority to PCT/EP2006/009214 priority patent/WO2007039136A1/en
Publication of EP1931879A1 publication Critical patent/EP1931879A1/en
Application granted granted Critical
Publication of EP1931879B1 publication Critical patent/EP1931879B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00Rotary-piston machines or pumps
    • F04C2/30Rotary-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
    • F04C2/34Rotary-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
    • F04C2/344Rotary-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
    • F04C2/3441Rotary-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
    • F04C2/3445Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08Rotary pistons
    • F01C21/0809Construction of vanes or vane holders
    • F01C21/0818Vane tracking; control therefor
    • F01C21/0827Vane tracking; control therefor by mechanical means
    • F01C21/0836Vane tracking; control therefor by mechanical means comprising guiding means, e.g. cams, rollers

Description

  • The invention relates to a vane pump consisting of 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, wherein the outer rotor is formed by sliding shoes, wherein the sliding shoes on the inner peripheral surface slide along a stator and are guided with their axial end faces in a guideway.
  • Such a wing cell pump is from the GB 319 467 known, which is considered as the nearest combative prior art.
  • From the DE 100 40 711 A1 is a vane pump with an annular inner rotor known, 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 again smaller conveyor cells or work spaces. Due to the change in volume of the delivery cells fluid is first sucked into the delivery cells and then ejected again. The end regions of the wing elements slide on the central part or the outer ring. Such a vane pump can be made simple and inexpensive.
  • To increase the efficiency is from the DE 195 32 703 C1 a vane pump in the form of a pendulum slide pump known. In this, the wing elements are slidably received in an inner rotor, whereas they are in a annular outer rotor are pivotally supported. 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 from the DE 195 32 703 Cl However, known pendulum slide pump is complex and therefore expensive to manufacture.
  • Object of the present invention is to provide a vane pump, which has a high efficiency and at the same time can be easily and inexpensively manufactured and assembled.
  • This object is achieved by the feature combination of claim 1.
  • The inventive design of the vane pump with a guideway having guide ring has the significant advantage that the vane pump is much simpler, since it consists on the one hand of fewer components, on the other hand, the components are designed simpler. Therefore, it is also much easier to install. The guide ring serves to guide the sliding shoes so that they are always, i. abut in any operating situation of the vane pump on the inner peripheral surface of the stator and even regardless of the speed of the vane pump. The guideway is therefore a forced guide for the sliding blocks, which ensures their permanent and fluid-tight contact with the inner circumferential surface.
  • The design of the positive guide as a guide ring has the significant advantage that the working chambers of the vane pump are always axially accessible and are not closed by control or guide elements. To have to So no special breakthroughs are provided in components that would also hinder or interfere with the flow of the working fluid.
  • According to the invention, the guide ring has a substantially C-shaped, ie laterally open cross-section with two free legs and a recess extending in the circumferential direction, in particular annular groove. Such a guide ring can be easily manufactured and is easy to install because it has no undercuts and because the ring is the same for both the front and the back, that is, the same for both faces of the pump.
  • By an exact machining of the groove, the stator and the sliding shoes can be recorded without play. The two free legs of the guide ring show axially inwards. The guide ring has a flat, forming the base of the ring outside, for example, rests on a closure cap.
  • The two free legs of the guide ring surround the end face of the stator and thus define the position of the ring relative to the stator and thus within the vane pump. In this way, the stator is fixed in the pump.
  • According to the invention, one of the two free limbs of the guide ring, in particular the radially inner limb, engages in an end recess of the sliding shoes. In this case, the frontal depression is a part-annular groove. This engagement of the free leg of the guide ring in the groove of the shoe forms a toothing and ensures the safe investment of the shoe on the inner peripheral surface of the stator, even if there is a negative pressure in the work spaces, for example during the intake stroke.
  • In a further development of the invention, it is provided that the guide ring is mounted on the front side of the stator and the sliding shoes. This embodiment allows for easy assembly by only the guide ring must be axially attached to the axial end faces of the shoes. In this case, the sliding blocks can be held, for example by means of a special mounting tool in abutment against the inner peripheral surface of the stator until the guide ring is positioned.
  • In a preferred embodiment, the cross-section of the end portion of the shoe is C-shaped, that is, laterally open, and the recess is flanked by two axially outwardly projecting legs. The guide ring and the shoes are therefore both C-shaped and engage with each other by interlocking, by the two sides facing the grooves are facing each other.
  • With preference, the radially inner leg of the sliding shoe abuts the radial inner peripheral surface of the guide ring. As a result, an additional guidance is achieved, so that not only is it ensured that the sliding shoe does not lift off from the inner peripheral surface of the stator, but also that at high speeds, part of the contact pressure of the sliding shoe is absorbed by the guide ring. In addition, this embodiment of the shoe and the guide ring of the shoe in the adjustment of the vane pump in the direction of a larger or smaller capacity actively taken and guided by the guide ring. This means that the sliding blocks are guided not only in the circumferential direction but also in the radial direction.
  • A particularly preferred embodiment provides that the axial end face of the radially inner leg of the sliding block and the axially outer end face of the guide ring lie in the same plane. In addition, in the invention, the axially outer end face of the guide ring and the axial end faces of the wings in the same plane. This creates the possibility that each working space can be closed in a simple manner by a flat surface of a lid which bears against the two axial end faces of the sliding shoe and the guide ring. In addition, a fluid-tight system can be ensured by an end-side machining of the guide ring and the sliding blocks and the frontal surfaces of the wings.
  • Further advantages, features and details of the invention will become apparent from the subclaims and the following description in which, with reference to the drawing, a particularly preferred embodiment is described in detail. The features shown in the drawing and mentioned in the description and in the claims may each be essential to the invention individually or in any combination.
  • In the drawing show:
  • FIG. 1
    a side view of the vane pump according to the invention;
    FIG. 2
    a section II-II according to FIG. 1 ;
    FIG. 3
    a section III-III according to FIG. 2 ; and
    FIG. 4
    a perspective view of the vane pump with partially broken guide ring.
  • The FIG. 1 shows a side view of a generally designated 10 vane pump having an inner rotor 12 which is driven by a drive shaft 14. The inner rotor 12 has radial slots 16, in each of which a wing 18 is slidably mounted in the radial direction. The wing 18 has a thickened outer end 20, on which a sliding shoe 22 is pivotally mounted. This shoe 22 is as out FIG. 3 can be seen on the inner peripheral surface 24 of a stator 26 at. These sliding shoes 22 form an outer rotor 28 which rotates together with the inner rotor 12 in the circumferential direction with respect to the stator 26. The wings 18, the inner rotor 12 and the sliding blocks 22 together with the stator 26 work spaces 30, which increase and decrease again when the inner rotor 12 rotates.
  • Of the FIG. 4 can be seen that on the end faces 32 and 34 of the stator 26 and the sliding blocks 22, a guide ring 36 is placed, which is described in more detail below.
  • The guide ring points, as from the Figures 2 and 4 can be seen, a C-shaped cross-section, wherein the two legs 38 and 40 are aligned parallel to each other and facing axially inwards. The leg 38 surrounds the stator 26 at the edge on its radial outer side 42 and the inner leg 40 engages in a groove 44 formed as a recess 46 on the end face 34 of the shoe 22 a. This is clear in the Figures 2 and 4 recognizable. Thereby, the sliding shoe 22 is held on the inner circumferential surface 24 of the stator 26. Accordingly, the guide ring 36 between its two legs 38 and 40, a guide groove 48, in which, as already mentioned, the edge of the end face 32 of the stator 36 and a radially outer leg 50 of the C-shaped end face 34 of the slide shoe 22 engages. The other leg 52, in which the free end of the wing 18 is pivotally mounted, abuts against the inner peripheral surface 54 of the guide ring 36. As a result, a positive guidance of the sliding shoes 22 is provided both in the circumferential direction and in the radial direction.
  • Out FIG. 2 It can also be seen that the end face 56 of the leg 52 of the sliding block 22 and the axially outer end face 58 of the guide ring 36 lie in a common plane 60. In this plane 60 also lies the axial end face 62 of each wing 18. Finally, in this plane 60 is still the axial end face 64 of the inner rotor 12. This creates a simple way to close the work spaces 30 by simply placing a flat lid. In addition, it is readily apparent that the vane pump 10 according to the invention can be easily assembled and is constructed from a few components.

Claims (7)

  1. A vane cell pump (10) consisting of an outer rotor (28), an inner rotor (12) and a plurality of vanes (18) which are mounted radially movable essentially in radial slots (16) in the inner rotor (12) and secured in a pivotable manner to the outer rotor (28), whereby the outer rotor (28) is constituted by gliding blocks (22) and the gliding blocks (22) slide along at the internal circumferential surface of a stator (26) and are guided with their axial front sides (34) in a guiding path, whereby the guiding path is provided in a guide ring (36), and guide ring (36) has a basically C-shaped cross section with two free segments (38 and 40) and a depression running in the circumferential direction, especially a groove (48), and the two free segments (38 and 40) of the guide ring (36) point axially inward and embrace the front side (32) of the stator (26), characterized in that one of the two free segments (40) of the guide ring (36) engages into a front side depression (46) of the guide blocks (22) which is an annularly running groove (44).
  2. The vane cell pump according to claim 1, characterized in that the guide ring (36) is set up front side on the stator (26) and the guiding blocks (22).
  3. The vane cell pump according to claim 1 or 2, characterized in that the cross section of the front side region of the guiding block (22) is C-shaped and the depression (46) is flanked by two segments (50 and 52) jutting axially outward.
  4. The vane cell pump according to claim 3, characterized in that the radially inner segment (52) of the gliding block (22) lies on the radial internal circumferential surface (24) of the guide ring (36).
  5. The vane cell pump according to claim 4, characterized in that an axial front side (56) of the radially inner segment (52) of the gliding block (22) and an radially outer front side (58) of the guide ring (36) lie on a common plane (60).
  6. The vane cell pump according to one of the preceding claims, characterized in that the axial outer front side (58) of the guide ring (36) and an axial front face (62) of the vane (18) lie on a common plane (60).
  7. The vane cell pump according to one of the preceding claims, characterized in that the axially outer front side (58) of the guide ring (36) and an axial front side (62) of the inner rotor (12) lie on a common plane (60).
EP20060792220 2005-10-06 2006-09-22 Vane cell pump Active EP1931879B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE200510048602 DE102005048602B4 (en) 2005-10-06 2005-10-06 Vane machine, in particular vane pump
DE200610021252 DE102006021252A1 (en) 2005-10-06 2006-04-28 Sliding vane pump has sliding shoes, which slides along interior peripheral area of stator and axial front side of sliding shoes is guided in guide way, which is provided in guide ring
PCT/EP2006/009214 WO2007039136A1 (en) 2005-10-06 2006-09-22 Vane cell pump

Publications (2)

Publication Number Publication Date
EP1931879A1 EP1931879A1 (en) 2008-06-18
EP1931879B1 true EP1931879B1 (en) 2009-11-04

Family

ID=37533471

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060792220 Active EP1931879B1 (en) 2005-10-06 2006-09-22 Vane cell pump

Country Status (6)

Country Link
US (1) US7540729B2 (en)
EP (1) EP1931879B1 (en)
JP (1) JP4837042B2 (en)
KR (1) KR101146780B1 (en)
DE (1) DE502006005306D1 (en)
WO (1) WO2007039136A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023068A1 (en) 2010-06-08 2011-12-08 Mahle International Gmbh Vane pump
DE102011100385A1 (en) 2011-05-04 2012-11-08 Volkswagen Aktiengesellschaft Fluid cooling and filtering module for conduit device of cooling and/or lubricating system for internal combustion engine of motor car, has fluid cooler whose bypass channel defines predetermined leakage during normal operation of module
DE102011100404A1 (en) 2011-05-04 2012-11-08 Volkswagen Aktiengesellschaft Pump e.g. intermittent conveying pump for conveying fluid e.g. oil in spacer device, has suction side and pressure side in which annular groove is provided
DE202014005521U1 (en) 2014-07-08 2015-10-09 Joma-Polytec Gmbh Vane pump for generating a negative pressure
DE202014005520U1 (en) 2014-07-08 2015-10-09 Joma-Polytec Gmbh Vane pump for generating a negative pressure

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101131290B1 (en) * 2005-10-06 2012-03-30 조마 폴리텍 쿤스츠토프테닉 게엠바하 Vane cell pump
DE502006005306D1 (en) 2005-10-06 2009-12-17 Joma Polytec Kunststofftechnik Vane pump
DE502006008468D1 (en) * 2006-10-10 2011-01-20 Joma Polytec Gmbh Wing cell machine, particularly wing cell pump
KR101701530B1 (en) * 2009-02-26 2017-02-01 에스티티 테크놀로지스 인크., 어 조인트 벤쳐 오브 마그나 파워트레인 인크. 앤드 에스하베 게엠베하 Integrated electric vane oil pump
DE102010041546A1 (en) * 2010-09-28 2012-03-29 Mahle International Gmbh Pendulum slide cell pump
CN102943756A (en) * 2012-10-25 2013-02-27 王德忠 Vane pump or motor with no friction produced between blade and rotor side wall
EP3051134B1 (en) * 2013-09-24 2018-05-30 Aisin Seiki Kabushiki Kaisha Oil pump
JP6123606B2 (en) * 2013-09-24 2017-05-10 アイシン精機株式会社 Oil pump
CN106170640B (en) 2014-06-20 2017-04-26 阪东化学株式会社 Transmission belt and belt transmission device equipped with same
JP6295923B2 (en) * 2014-11-12 2018-03-20 アイシン精機株式会社 Oil pump
KR101632284B1 (en) * 2015-11-30 2016-06-22 에이지파워텍 주식회사 Comprssing Type Vane Pump
CN107489878B (en) * 2016-11-10 2019-03-22 北汽福田汽车股份有限公司 A kind of engine and its lubricating oil pump

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US2064635A (en) * 1936-01-13 1936-12-15 Benjamin B Stern Rotary type pump
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JPS6458791A (en) * 1987-08-28 1989-03-06 Mixton Co Ltd Revolving elevating door
JPH02169882A (en) * 1988-12-21 1990-06-29 Mitsuo Okamoto Sliding support seat type vane pump motor
US5190447A (en) * 1992-03-23 1993-03-02 The United States Of America As Represented By The Secretary Of The Navy Hydraulic pump with integral electric motor
DE19504220A1 (en) 1995-02-09 1996-08-14 Bosch Gmbh Robert Adjustable hydrostatic pump
DE19532703C1 (en) 1995-09-05 1996-11-21 Guenther Beez Pump or hydraulic motor with inner and outer rotors
DE19631974C2 (en) 1996-08-08 2002-08-22 Bosch Gmbh Robert Vane machine
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JP2006322330A (en) * 2005-05-17 2006-11-30 Matsushita Electric Ind Co Ltd Sliding vane type fluid device
DE502006005306D1 (en) 2005-10-06 2009-12-17 Joma Polytec Kunststofftechnik Vane pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023068A1 (en) 2010-06-08 2011-12-08 Mahle International Gmbh Vane pump
DE102011100385A1 (en) 2011-05-04 2012-11-08 Volkswagen Aktiengesellschaft Fluid cooling and filtering module for conduit device of cooling and/or lubricating system for internal combustion engine of motor car, has fluid cooler whose bypass channel defines predetermined leakage during normal operation of module
DE102011100404A1 (en) 2011-05-04 2012-11-08 Volkswagen Aktiengesellschaft Pump e.g. intermittent conveying pump for conveying fluid e.g. oil in spacer device, has suction side and pressure side in which annular groove is provided
DE202014005521U1 (en) 2014-07-08 2015-10-09 Joma-Polytec Gmbh Vane pump for generating a negative pressure
DE202014005520U1 (en) 2014-07-08 2015-10-09 Joma-Polytec Gmbh Vane pump for generating a negative pressure
DE102015211759A1 (en) 2014-07-08 2016-01-14 Joma-Polytec Gmbh Vane pump for generating a negative pressure

Also Published As

Publication number Publication date
KR101146780B1 (en) 2012-05-22
EP1931879A1 (en) 2008-06-18
US20070292292A1 (en) 2007-12-20
KR20080051111A (en) 2008-06-10
DE502006005306D1 (en) 2009-12-17
JP2009510332A (en) 2009-03-12
WO2007039136A1 (en) 2007-04-12
JP4837042B2 (en) 2011-12-14
US7540729B2 (en) 2009-06-02

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