EP1794457A1 - Flügelzellenpumpe - Google Patents
FlügelzellenpumpeInfo
- Publication number
- EP1794457A1 EP1794457A1 EP06776763A EP06776763A EP1794457A1 EP 1794457 A1 EP1794457 A1 EP 1794457A1 EP 06776763 A EP06776763 A EP 06776763A EP 06776763 A EP06776763 A EP 06776763A EP 1794457 A1 EP1794457 A1 EP 1794457A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stator
- vane pump
- pump according
- piston
- axis
- 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.)
- Granted
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
-
- 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
- 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
Definitions
- the invention relates to a vane pump with an inner rotor and a plurality of vanes, which are mounted radially displaceable in substantially radial slots in the inner rotor and slides directly or indirectly along the inner peripheral surface of a stator, wherein the axis of the stator and the axis of the inner rotor offset to each other and the stator relative to the inner rotor in the radial direction adjustable and thereby the offset is variable, and the stator has a arranged in the housing of the vane pump pivot bearing.
- 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. 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.
- Object of the present invention is to provide a vane cell machine which has a high efficiency and at the same time can be easily and inexpensively manufactured.
- a piston or piston portion which serves to adjust the stator and which protrudes from the stator and whose piston axis extends in the circumferential direction to the pivot bearing.
- the piston movement thus runs in sections in a radius around the pivot bearing.
- the piston portion has a defined piston surface, which also rotates in the circumferential direction about the pivot bearing, which has the advantage that the actuating forces on the stator are proportional to the compressive forces acting on the piston surface.
- the piston section and the stator are integrally formed.
- the piston portion and the stator are made Plastic or aluminum.
- the piston portion loosely abuts the stator.
- This variant has the advantage that the piston portion and the stator can be made of different materials and that they are easy to install.
- the piston section is attached to the stator, in particular screwed.
- the stator and the piston section can be made of different materials and pressure and suction forces can be transmitted.
- stator is equipped with two piston sections.
- stator in particular when the two piston sections with respect to the axis of the stator are opposite to each other, be adjusted in the direction of maximum delivery and in the direction of minimum funding, for which control pressures on the piston sections attack.
- Map control is required.
- the two piston sections are arranged in opposite directions acting on the stator, even the smallest pressure changes in the positioning of the stator can be considered.
- it is not necessary to work against a spring constant which has the disadvantage that it is necessary to work against a changing force of a spring, ie against a spring constant. It can directly the resulting pressures for displacing the stator and that in both directions, can be used.
- the cross section of the piston is rectangular.
- This embodiment has the advantage that both the production of the piston and the production of the piston section receiving space in the housing can be relatively easily done by the stator receiving portion of the housing is plate-shaped, and provided the portion only with a piston portion receiving breakthrough must be, with the lateral sealing on other plates (end plates) takes place.
- a cylinder receiving the piston portion is provided in that in the housing of the vane pump, a cylinder receiving the piston portion is provided.
- This cylinder has not only the task of forming the piston chamber for the piston section, but also the task of guiding and supporting the stator, so that the pivot bearing has only the task to absorb the forces occurring in the circumferential direction of the pivot bearing, but not in radial Direction of tensile and compressive forces.
- the cylinder supports the piston section at least over part of its length on the radially inner and outer running surfaces.
- a defined piston chamber is created, which acts on a defined piston surface.
- the running parallel to the pivot axis running surfaces simultaneously serve as support surfaces for perpendicular to the pivot axis acting on the stator forces. As a result, the pivot axis is relieved.
- an overflow channel is provided on the outer circumference of the stator, which connects an outlet channel on the one end face of the vane pump with an outlet channel on the other end side of the vane pump.
- the overflow channel runs axially parallel to the axis of the stator. This has the significant advantage that the overflow can be relatively easily manufactured, and that the overflow can be relatively easily connected to the outlet channels by provided in side lids arcuate flow channels.
- the piston portion thus has the dual function of an adjusting member for the stator to adjust this between a maximum and a minimum promotion, and also connects the two outlet channels, which open on the two end faces of the interior of the stator.
- an overflow channel is provided between the stator and the machine housing, which connects the inlet channel on one end face of the vane pump with the inlet channel on the other end face of the vane pump.
- This overflow channel is formed by the space required for the displacement of the stator in the housing.
- the overflow channels for both the inlet channel and the outlet channel offer the advantage that the vane pump can be flown from both end sides, whereby an optimal filling of the working spaces is made possible.
- the pumped medium can flow off quickly and without loss, since it can leave the working space via both end faces.
- a particularly preferred embodiment of the invention provides that protrudes from the stator, a support member for a printing element.
- This support element is in particular one piece on Stator provided and serves to receive the force of a compression spring, in particular a coil spring.
- the pressure element is a leaf spring, a leg spring or a pneumatic cushion.
- This pressure element which is biased in particular, has the task of adjusting the stator in the direction of the maximum delivery of the pump. This is necessary if in a fault, the pneumatic or hydraulic control fails over the piston sections. The control by means of the pressure element ensures that the vane pump continues to operate at its maximum power in order to supply the connected system with the medium to be conveyed.
- FIG. 1 shows a cross section through a first embodiment of the vane pump according to the invention
- Figure 2 is a perspective view of the stator with inserted rotor, partially cut away;
- FIG. 3 shows a cross section through a second embodiment of the vane pump according to the invention, showing the position of the inner rotor at maximum promotion;
- Figure 4 shows a cross section according to Figure 3, showing the position of the inner rotor with minimum funding;
- FIG. 5 is a perspective view of the vane pump according to FIG. 3.
- FIG. 1 shows schematically a housing 10 of a generally designated 12 vane pump, in which a drive shaft 14 is 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 end 22 to which sliding blocks 24 are pivotally mounted.
- the sliding shoes 24 abut on the inner peripheral surface 26 of a stator 28, which is apparent from FIG.
- the inner rotor 16, two wings 20, two sliding shoes 24 and the stator 28 each have a working space 30.
- the working space 30 increases and decreases in rotating inner rotor 16, whereby a fluid is conveyed.
- stator 28 has a bearing eye 32 which surrounds a pin 34 and a housing-fixed pivot bearing 36 is formed.
- the stator 28 can therefore be pivoted in the direction of the double arrow 38 within the housing 10 about the pivot bearing 36.
- the stator 28 has two piston sections 40 and 42, which protrude from the outer periphery of the stator 28 and the piston axes 44 extend in the circumferential direction about the pivot bearing 36, that is concentric to this.
- the piston sections 40 and 42 are each guided in a cylinder 46, which in the housing 10 of the vane pump 12th is provided.
- the axis of the cylinder 46 also extends concentrically about the pivot bearing 36.
- the cylinder 46 abuts over a portion of the length of the piston portions 40 and 42 at the radially inner and outer raceway surfaces of the piston portions 40 and 42.
- the piston portions 40 and 42 each have a piston surface 48, which are acted upon by a pressure and exert a pivoting force about the pivot bearing 36 on the stator 28.
- stator 28 is formed with its piston portions 40 and 42 substantially disc or plate-shaped, so that the piston portions 40 and 42 have rectangular cross-sections.
- the sealing of the pressure chambers 50 and 52 takes place in each case via disc-shaped or plate-shaped elements which are placed on the end faces 54 and 56 of the stator 28. As a result, the work spaces 30 are closed at the front.
- a support element 58 projects from the stator 28 and has a centering lug for a pressure element 62, for example a helical spring 64.
- the pressure element 62 exerts a force on the stator 28, which causes a pivoting of the stator 28 about the pivot bearing 36 in the clockwise direction. In this way, the stator 28 is permanently urged in the direction of maximum delivery, so that the vane pump 12 assumes its position for the maximum promotion in case of failure.
- FIG. 4 shows the minimum delivery in which the axis 66 of the stator 28 has almost no offset 70 to the axis 68 of the inner rotor 16.
- This offset 70, or the eccentricity of the inner rotor 16 determines the delivery volume of the vane pump 12.
- an extension 72 which has a substantially triangular cross-section, is provided on the piston section 40.
- This extension 72 has an overflow channel 74, which is clearly shown in Figure 5, and connects the two end faces 54 and 56 with each other.
- an overflow channel 76 is provided between the stator 28 and the housing 10, which surrounds the stator 28 and connects the inlet channels provided on both end faces 54 and 56 with one another. In this way, the working spaces 30 can be filled from both end faces 54 and 56.
- the two transfer ports 74 and 76 thus serve to increase the efficiency of the vane pump 12 by the working spaces 30 can be filled and emptied more effectively. Losses are thereby reduced.
- the housing 10 of the vane pump 12 is formed substantially disc-shaped or plate-shaped, in which the receiving space for the stator 28 and the cylinder 46 are incorporated as openings.
- the frontal sealing is done by placing one plate at a time.
- the production of such components is relatively simple and the assembly can be done by machine.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510048602 DE102005048602B4 (de) | 2005-10-06 | 2005-10-06 | Flügelzellenmaschine, insbesondere Flügelzellenpumpe |
DE102006021971A DE102006021971B4 (de) | 2005-10-06 | 2006-05-03 | Flügelzellenpumpe |
PCT/EP2006/007944 WO2007039013A1 (de) | 2005-10-06 | 2006-08-11 | Flügelzellenpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1794457A1 true EP1794457A1 (de) | 2007-06-13 |
EP1794457B1 EP1794457B1 (de) | 2009-07-08 |
Family
ID=37271120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06776763A Not-in-force EP1794457B1 (de) | 2005-10-06 | 2006-08-11 | Flügelzellenpumpe |
Country Status (6)
Country | Link |
---|---|
US (1) | US7785087B2 (de) |
EP (1) | EP1794457B1 (de) |
JP (1) | JP4834734B2 (de) |
KR (1) | KR101146845B1 (de) |
DE (1) | DE502006004164D1 (de) |
WO (1) | WO2007039013A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100520069C (zh) * | 2004-12-22 | 2009-07-29 | 麦格纳动力系有限公司 | 具有双控制室的变量叶片泵 |
US9181803B2 (en) | 2004-12-22 | 2015-11-10 | Magna Powertrain Inc. | Vane pump with multiple control chambers |
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 |
EP1794457B1 (de) | 2005-10-06 | 2009-07-08 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
WO2007101457A1 (de) * | 2006-10-10 | 2007-09-13 | Joma-Hydromechanic Gmbh | Flügelzellenmaschine, insbesondere flügelzellenpumpe |
WO2008124174A1 (en) * | 2007-04-10 | 2008-10-16 | Borgwarner Inc. | Variable displacement dual vane pump |
DE102013221567A1 (de) * | 2013-10-23 | 2015-04-23 | Mahle International Gmbh | Pendelschieberzellenpumpe zur Förderung eines Fluides |
KR101735084B1 (ko) | 2014-06-20 | 2017-05-12 | 반도 카가쿠 가부시키가이샤 | 전동벨트 및 이를 구비한 벨트 전동장치 |
US10119540B2 (en) * | 2015-12-08 | 2018-11-06 | Ford Global Technologies, Llc | Variable displacement vane pump |
DE202018103580U1 (de) * | 2017-06-27 | 2018-09-05 | O.M.P. Officine Mazzocco Pagnoni S.R.L. | Wasserpumpe |
US11846284B1 (en) | 2022-06-30 | 2023-12-19 | Ford Global Technologies, Llc | Sliding-pocket variable-displacement pump with compensation chambers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2250947A (en) | 1938-06-17 | 1941-07-29 | Jr Albert Guy Carpenter | Pump |
DE1403748C3 (de) | 1961-10-13 | 1974-08-29 | Breinlich, Richard, Dr., 7120 Bietigheim | Hydraulische Radialkolbenmaschine |
GB1310358A (en) * | 1969-07-21 | 1973-03-21 | Hobourn Eaton Mfg Co Ltd | Rotary pumps |
JPS5762986A (en) * | 1980-10-02 | 1982-04-16 | Nissan Motor Co Ltd | Variable displacement type vane pump |
US4362044A (en) * | 1980-10-14 | 1982-12-07 | Tubeco, Inc. | Pipe-bending die and method |
JPS59147890A (ja) * | 1983-02-14 | 1984-08-24 | Toyoda Mach Works Ltd | 可変容量形ベ−ンポンプ |
DE19504220A1 (de) | 1995-02-09 | 1996-08-14 | Bosch Gmbh Robert | Verstellbare hydrostatische Pumpe |
DE19532703C1 (de) * | 1995-09-05 | 1996-11-21 | Guenther Beez | Pendelschiebermaschine |
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 |
DE10040711C2 (de) | 2000-08-17 | 2003-11-06 | Joma Hydromechanic Gmbh | Flügelzellenpumpe |
EP1794457B1 (de) | 2005-10-06 | 2009-07-08 | Joma-Hydromechanic GmbH | Flügelzellenpumpe |
-
2006
- 2006-08-11 EP EP06776763A patent/EP1794457B1/de not_active Not-in-force
- 2006-08-11 WO PCT/EP2006/007944 patent/WO2007039013A1/de active Application Filing
- 2006-08-11 KR KR1020077024155A patent/KR101146845B1/ko not_active IP Right Cessation
- 2006-08-11 DE DE502006004164T patent/DE502006004164D1/de active Active
- 2006-08-11 JP JP2008533883A patent/JP4834734B2/ja not_active Expired - Fee Related
-
2007
- 2007-08-27 US US11/845,470 patent/US7785087B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2007039013A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2009510331A (ja) | 2009-03-12 |
US7785087B2 (en) | 2010-08-31 |
DE502006004164D1 (de) | 2009-08-20 |
KR20080049689A (ko) | 2008-06-04 |
JP4834734B2 (ja) | 2011-12-14 |
WO2007039013A8 (de) | 2007-09-27 |
US20080014108A1 (en) | 2008-01-17 |
EP1794457B1 (de) | 2009-07-08 |
WO2007039013A1 (de) | 2007-04-12 |
KR101146845B1 (ko) | 2012-05-16 |
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