US20230304495A1 - Multiple-flow vane cell pump - Google Patents
Multiple-flow vane cell pump Download PDFInfo
- Publication number
- US20230304495A1 US20230304495A1 US17/594,558 US202017594558A US2023304495A1 US 20230304495 A1 US20230304495 A1 US 20230304495A1 US 202017594558 A US202017594558 A US 202017594558A US 2023304495 A1 US2023304495 A1 US 2023304495A1
- Authority
- US
- United States
- Prior art keywords
- vane cell
- cell pump
- openings
- flow vane
- pump according
- 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.)
- Abandoned
Links
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
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
- 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
- F04C2/3446—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 more than one line or surface
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- 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
- F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
- F04C11/003—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle having complementary function
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0049—Equalization of pressure pulses
-
- 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
- F04C2240/00—Components
- F04C2240/20—Rotors
Definitions
- the invention relates to a multiple-flow vane cell pump.
- Vane cell pumps are frequently used, for example in the automotive field, in order to convey hydraulic fluids, in particular oil. These types of pumps can be used as power steering or transmission pumps, for example.
- a vane cell pump of this type is known from DE 1 553 283 A and comprises a hydraulic connection between the point of the smallest distance from the rotor axis and the point of the largest distance from the rotor axis.
- U.S. Pat. No. 9,366,251 B2 relates to a multiple-flow vane cell pump.
- Said pumps usually have a symmetrical structure; in other words, a plurality of pumps are arranged around the rotor axis, each with a suction region and a discharge region.
- the hydraulic and mechanical forces thereof can thereby balance each other out, and transverse forces do not occur, at least in theory, either on the rotor, or on the shaft thereof, or on the surrounding stroke ring.
- manufacturing-related tolerances lead to said components and the geometry thereof not being symmetrical. This generates asymmetrical pressures and thus asymmetrical forces during operation. Similar effects are caused by air bubbles in the conveyed oil or an uneven supply of oil to the suction regions. As a result of such imbalances in terms of forces, there is increased noise and wear. To date, this has been counteracted by comparatively narrow tolerances and/or notches at the pressure outlet in order to keep pressure fluctuations low.
- the object of the invention is to provide a multiple-flow vane cell pump that is improved with regard to noise and/or wear.
- Said pump is thus characterized in that at least two points along the rotational direction of the rotor, at which there is essentially the same pressure during operation and which are spaced apart from inlets and outlets, are hydraulically connected to each other.
- the measure according to the invention differs from the conventional measure in multiple-flow or multiple-stroke vane cell pumps, i.e. to respectively connect the plurality of inlets and outlets to each other.
- regions within the vane cell pump which, at least in theory, have the same cell pressure and are spaced apart from inlets and outlets are instead hydraulically connected to each other. Imbalances in terms of pressure, whatever the cause thereof, can thereby be at least partially compensated and equalized so that noise and wear are advantageously reduced.
- the number of flows provided in the pump according to the invention is arbitrary; it can in particular be a two-, three-, four- or multiple-flow vane cell pump.
- a two- or four-flow vane cell pump or in another vane cell pump comprising an even number of flows cells that are diagonally opposite one another are connected, and in a three- or five-flow pump, the cells are connected, for example, which are evenly spaced apart from each other by 120° or 72°, in any case, in a circumferential direction.
- the hydraulic connection is preferably configured in the form of openings, in particular bores and/or grooves in the rotor and/or in the stroke ring and/or in at least one side plate.
- Suitable grooves may in particular be provided in the stroke ring, which are metallically sealed by the side plates.
- Openings can furthermore be formed in the side plates, for example they can be bored or formed by means of an additive manufacturing method. The same manufacturing methods are suitable for forming openings in the rotor to produce the hydraulic connection according to the invention.
- Said connection can in particular be configured between all cells in which, in theory, there is the same pressure during operation, or by connecting only some of these cells.
- connection according to the invention is always present, whereas if openings or the like are formed in the stroke ring or in a side plate, the connection is interrupted when a vane of the pump passes over the opening provided for the hydraulic connection. However, this is not expected to have a significant impact on the effect according to the invention.
- the effects according to the invention can be used particularly extensively if at least two openings or grooves have the same distance from the rotor axis. This additionally simplifies manufacture.
- a particularly good functionality and manufacturability is expected for at least one radially extending bore or groove and/or one axial opening, in particular if it is formed in a linear manner.
- connection that extends in particular in the stroke ring and is at least partially configured in the circumferential direction.
- the preferred measure does not require more space if at least one connection is designed to surround a pin.
- said pump comprises a lid that closes the side plate and/or a housing that is essentially pot-shaped.
- An additive manufacturing method furthermore has advantages as regards the formation of the, at least in specific cases of use, comparatively complex shapes which form the connection according to the invention.
- FIG. 1 a hydraulic schematic diagram of a first embodiment of the pump according to the invention.
- FIG. 2 a cross-sectional view of a second embodiment of the pump according to the invention.
- FIG. 3 a longitudinal sectional view of a pump according to the invention, similar to the first embodiment.
- FIG. 4 a cross-sectional view of a third embodiment of the pump according to the invention.
- FIG. 5 a cross-sectional view of a fourth embodiment of the pump according to the invention.
- the vane cell pump 10 which is a two-flow vane cell pump in the illustrated case, conveys hydraulic fluid from a reservoir 12 .
- two lines 14 to the respective suction or inlet regions 16 are formed, and, in a similar manner, two lines 18 , which are connected to each other, extend from the respective outlet region 20 .
- FIG. 1 regions or cells that are spaced apart from the inlet 16 and the outlet 20 and that are diametrically opposite each other owing to the configuration of the pump as a two-flow vane cell pump are hydraulically connected to each other by means of the shown connection 26 .
- openings 28 are formed for this purpose in a side plate ( 40 ; cf. FIG. 3 ).
- the arrow in the region of the rotor indicates the direction of rotation.
- FIG. 2 shows a three-flow vane cell pump 10 , which comprises, in a known manner, a rotor 30 with slits 32 , in which one vane 34 each is accommodated in a movable manner in the radial direction.
- the embodiment of FIG. 2 comprises three inlets 16 and three outlets 20 . These are formed in a stroke ring 36 in a known manner.
- points which are spaced apart from inlets 16 and outlets 18 and at which there is, in theory, the same pressure are provided with openings 28 in order to hydraulically connect them to each other.
- said openings 28 are spaced apart from each other by 120°. The preferred measure according to which the openings have the same distance from the rotor axis is moreover apparent.
- a connection 26 which is schematically drawn in FIG. 1 , is configured in one of the side plates 40 in the form of a radially extending groove and connects the two openings 28 to each other.
- the side plate 40 that is provided with the groove is closed by a lid 42 , and the lid 42 is accommodated in an essentially pot-shaped housing 44 , together with the two side plates 40 , the rotor 30 and the stroke ring 36 .
- connection according to the invention can also be configured in the form of radial connections in the rotor 30 or, in the stroke ring 36 , in the form of a connection extending in a circumferential direction between three cells, as is described below with regard to a two-flow vane cell pump and illustrated in FIGS. 4 and 5 .
- connection 26 is configured for the aforedescribed pressure compensation in the rotor 30 and in particular also the shaft 38 thereof.
- the connection 26 is advantageously configured as a continuous bore that extends in a linear manner. In order to have complete pressure compensation in the region of all of the cells, the connection would have to be repeated for each pair of cells.
- connection 26 is configured in the stroke ring 36 .
- the connection 26 is configured over a wide course in a manner concentric to the outer contour of the stroke ring 36 , and is connected to the respective cell of the pump by means of a short radial connection.
- said connection 26 can be configured to surround a pin which is shown as a circle.
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
A multiple-flow vane cell pump which includes at least two points (openings) along the rotational direction of the rotor, at which there is essentially the same pressure during operation and which are spaced apart from inlets and outlets and are hydraulically connected to each other (connection).
Description
- This patent application is a United States national phase patent application based on PCT/DE2020/200101 filed on May 22, 2020, which claims the benefit of German Patent Application No. DE 10 2019 218 034.5 filed on Nov. 22, 2019, the entire contents of both of which are hereby incorporated herein by reference.
- The invention relates to a multiple-flow vane cell pump. Vane cell pumps are frequently used, for example in the automotive field, in order to convey hydraulic fluids, in particular oil. These types of pumps can be used as power steering or transmission pumps, for example.
- A vane cell pump of this type is known from DE 1 553 283 A and comprises a hydraulic connection between the point of the smallest distance from the rotor axis and the point of the largest distance from the rotor axis.
- U.S. Pat. No. 9,366,251 B2 relates to a multiple-flow vane cell pump. Said pumps usually have a symmetrical structure; in other words, a plurality of pumps are arranged around the rotor axis, each with a suction region and a discharge region. The hydraulic and mechanical forces thereof can thereby balance each other out, and transverse forces do not occur, at least in theory, either on the rotor, or on the shaft thereof, or on the surrounding stroke ring. In practice, however, manufacturing-related tolerances lead to said components and the geometry thereof not being symmetrical. This generates asymmetrical pressures and thus asymmetrical forces during operation. Similar effects are caused by air bubbles in the conveyed oil or an uneven supply of oil to the suction regions. As a result of such imbalances in terms of forces, there is increased noise and wear. To date, this has been counteracted by comparatively narrow tolerances and/or notches at the pressure outlet in order to keep pressure fluctuations low.
- Against this background, the object of the invention is to provide a multiple-flow vane cell pump that is improved with regard to noise and/or wear.
- This object is solved by the multiple-flow vane cell pump described herein.
- Said pump is thus characterized in that at least two points along the rotational direction of the rotor, at which there is essentially the same pressure during operation and which are spaced apart from inlets and outlets, are hydraulically connected to each other. In other words, the measure according to the invention differs from the conventional measure in multiple-flow or multiple-stroke vane cell pumps, i.e. to respectively connect the plurality of inlets and outlets to each other. According to the invention, regions within the vane cell pump which, at least in theory, have the same cell pressure and are spaced apart from inlets and outlets are instead hydraulically connected to each other. Imbalances in terms of pressure, whatever the cause thereof, can thereby be at least partially compensated and equalized so that noise and wear are advantageously reduced.
- As will be explained below in more detail, this is possible by means of comparatively low-cost measures. In this regard, the number of flows provided in the pump according to the invention is arbitrary; it can in particular be a two-, three-, four- or multiple-flow vane cell pump. In a two- or four-flow vane cell pump or in another vane cell pump comprising an even number of flows, cells that are diagonally opposite one another are connected, and in a three- or five-flow pump, the cells are connected, for example, which are evenly spaced apart from each other by 120° or 72°, in any case, in a circumferential direction.
- The hydraulic connection is preferably configured in the form of openings, in particular bores and/or grooves in the rotor and/or in the stroke ring and/or in at least one side plate. Suitable grooves may in particular be provided in the stroke ring, which are metallically sealed by the side plates. Openings can furthermore be formed in the side plates, for example they can be bored or formed by means of an additive manufacturing method. The same manufacturing methods are suitable for forming openings in the rotor to produce the hydraulic connection according to the invention. Said connection can in particular be configured between all cells in which, in theory, there is the same pressure during operation, or by connecting only some of these cells. If openings or the like are formed in the rotor, the advantage is that the connection according to the invention is always present, whereas if openings or the like are formed in the stroke ring or in a side plate, the connection is interrupted when a vane of the pump passes over the opening provided for the hydraulic connection. However, this is not expected to have a significant impact on the effect according to the invention.
- The effects according to the invention can be used particularly extensively if at least two openings or grooves have the same distance from the rotor axis. This additionally simplifies manufacture.
- A particularly good functionality and manufacturability is expected for at least one radially extending bore or groove and/or one axial opening, in particular if it is formed in a linear manner.
- In other cases of use, weakening of the rotor and the side plates can be advantageously avoided by means of a connection that extends in particular in the stroke ring and is at least partially configured in the circumferential direction.
- In this case, the preferred measure does not require more space if at least one connection is designed to surround a pin.
- It is furthermore advantageous with regard to handling and assembly of the pump according to the invention if said pump comprises a lid that closes the side plate and/or a housing that is essentially pot-shaped.
- An additive manufacturing method furthermore has advantages as regards the formation of the, at least in specific cases of use, comparatively complex shapes which form the connection according to the invention.
- In the following, the invention is explained in more detail by reference to exemplary embodiments depicted in the figures. These show as follows:
-
FIG. 1 a hydraulic schematic diagram of a first embodiment of the pump according to the invention. -
FIG. 2 a cross-sectional view of a second embodiment of the pump according to the invention. -
FIG. 3 a longitudinal sectional view of a pump according to the invention, similar to the first embodiment. -
FIG. 4 a cross-sectional view of a third embodiment of the pump according to the invention, and -
FIG. 5 a cross-sectional view of a fourth embodiment of the pump according to the invention. - As is apparent in
FIG. 1 , thevane cell pump 10, which is a two-flow vane cell pump in the illustrated case, conveys hydraulic fluid from areservoir 12. For this purpose, twolines 14 to the respective suction orinlet regions 16 are formed, and, in a similar manner, twolines 18, which are connected to each other, extend from therespective outlet region 20. - The structure of the
vane cell pump 10 is explained in more detail below with reference toFIG. 2 . However, it is apparent inFIG. 1 that regions or cells that are spaced apart from theinlet 16 and theoutlet 20 and that are diametrically opposite each other owing to the configuration of the pump as a two-flow vane cell pump are hydraulically connected to each other by means of the shownconnection 26. In the case shown,openings 28 are formed for this purpose in a side plate (40; cf.FIG. 3 ). The arrow in the region of the rotor indicates the direction of rotation. - In
FIG. 2 , the direction of rotation is opposite to that ofFIG. 1 .FIG. 2 shows a three-flowvane cell pump 10, which comprises, in a known manner, arotor 30 withslits 32, in which onevane 34 each is accommodated in a movable manner in the radial direction. In accordance with the three-flow configuration, the embodiment ofFIG. 2 comprises threeinlets 16 and threeoutlets 20. These are formed in astroke ring 36 in a known manner. In accordance with the embodiments shown inFIG. 1 , points which are spaced apart frominlets 16 andoutlets 18 and at which there is, in theory, the same pressure are provided withopenings 28 in order to hydraulically connect them to each other. According to the three-flow embodiment of the vane cell pump shown inFIG. 2 , saidopenings 28 are spaced apart from each other by 120°. The preferred measure according to which the openings have the same distance from the rotor axis is moreover apparent. - As is apparent in
FIG. 3 , aconnection 26, which is schematically drawn inFIG. 1 , is configured in one of theside plates 40 in the form of a radially extending groove and connects the twoopenings 28 to each other. Theside plate 40 that is provided with the groove is closed by alid 42, and thelid 42 is accommodated in an essentially pot-shapedhousing 44, together with the twoside plates 40, therotor 30 and thestroke ring 36. - Although this is not shown in the three-flow pump provided in
FIG. 2 , the connection according to the invention can also be configured in the form of radial connections in therotor 30 or, in thestroke ring 36, in the form of a connection extending in a circumferential direction between three cells, as is described below with regard to a two-flow vane cell pump and illustrated inFIGS. 4 and 5 . - In
FIG. 4 , avane cell pump 10 that is similar to the embodiment ofFIG. 1 is provided, in which, however, theconnection 26 is configured for the aforedescribed pressure compensation in therotor 30 and in particular also theshaft 38 thereof. Theconnection 26 is advantageously configured as a continuous bore that extends in a linear manner. In order to have complete pressure compensation in the region of all of the cells, the connection would have to be repeated for each pair of cells. - Finally, a further embodiment is apparent in
FIG. 5 , in which theconnection 26 is configured in thestroke ring 36. As is apparent inFIG. 5 , theconnection 26 is configured over a wide course in a manner concentric to the outer contour of thestroke ring 36, and is connected to the respective cell of the pump by means of a short radial connection. In the bottom part on the left ofFIG. 5 , it is apparent that saidconnection 26 can be configured to surround a pin which is shown as a circle.
Claims (11)
1.-10. (canceled)
11. A multiple-flow vane cell pump comprising:
a plurality of spaced apart inlets;
a plurality of spaced apart outlets;
a rotor including at least two openings formed along a rotational direction of the rotor,
wherein at the openings there is essentially a same pressure during operation and the at least two openings are spaced apart from the inlets and the outlets, and wherein the at least two openings are hydraulically connected to each other by at least one connection.
12. The multiple-flow vane cell pump according to claim 11 , wherein the at least two openings are bores or grooves in one of the rotor, a stroke ring, or at least one side plate.
13. The multiple-flow vane cell pump according to claim 12 , wherein the at least two openings are a same distance from an axis of the rotor.
14. The multiple-flow vane cell pump according to claim 12 , wherein at least one of the bores or the grooves extends radially and/or at least one of the at least two openings is formed axially.
15. The multiple-flow vane cell pump according to claim 14 , wherein at least one of the at least one bores, the grooves and the at least two openings is formed in a linear manner.
16. The multiple-flow vane cell pump according claim 11 , wherein the at least one connection extends at least partially in a circumferential direction.
17. The multiple-flow vane cell pump according to claim 11 , wherein the at least one connection surrounds a pin.
18. The multiple-flow vane cell pump according to claim 11 , wherein at least one side plate is closed by a lid.
19. The multiple-flow vane cell pump according to claim 11 , wherein the pump further comprises a pot-shaped housing.
20. The multiple-flow vane cell pump according to claim 11 , wherein the at least one connection is produced by an additive manufacturing method.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019218034.5 | 2019-11-22 | ||
DE102019218034.5A DE102019218034B4 (en) | 2019-11-22 | 2019-11-22 | Multi-flow vane pump |
PCT/DE2020/200101 WO2021098921A1 (en) | 2019-11-22 | 2020-11-13 | Multiple-flow vane cell pump |
Publications (1)
Publication Number | Publication Date |
---|---|
US20230304495A1 true US20230304495A1 (en) | 2023-09-28 |
Family
ID=73654594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/594,558 Abandoned US20230304495A1 (en) | 2019-11-22 | 2020-11-13 | Multiple-flow vane cell pump |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230304495A1 (en) |
JP (1) | JP2022534112A (en) |
CN (1) | CN113631815A (en) |
DE (1) | DE102019218034B4 (en) |
WO (1) | WO2021098921A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2653551A (en) * | 1947-12-22 | 1953-09-29 | New York Air Brake Co | Fluid pump |
US2832199A (en) * | 1953-04-30 | 1958-04-29 | American Brake Shoe Co | Vane pump |
US3299823A (en) * | 1966-07-05 | 1967-01-24 | Samuel J E Marshall | Pumps |
US3401641A (en) * | 1966-02-16 | 1968-09-17 | American Brake Shoe Co | Three area vane type hydraulic pump having force modulating flow restrictor means |
US5064362A (en) * | 1989-05-24 | 1991-11-12 | Vickers, Incorporated | Balanced dual-lobe vane pump with radial inlet and outlet parting through the pump rotor |
US20020114708A1 (en) * | 2000-12-12 | 2002-08-22 | Hunter Douglas G. | Variable displacement vane pump with variable target regulator |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2711698A (en) * | 1952-03-07 | 1955-06-28 | Vickers Inc | Power transmission |
DE1553283A1 (en) | 1964-08-17 | 1969-09-25 | Zahnradfabrik Friedrichshafen | Wing cell capsule system |
US3481276A (en) | 1967-11-27 | 1969-12-02 | Abex Corp | Vane tracking in hydraulic pumps |
JP5764453B2 (en) | 2011-10-03 | 2015-08-19 | カヤバ工業株式会社 | Vane pump |
DE102014222322B3 (en) | 2014-10-31 | 2016-02-04 | Magna Powertrain Bad Homburg GmbH | Vane pump with improved starting behavior |
DE102015217169A1 (en) | 2015-09-09 | 2017-03-09 | Zf Friedrichshafen Ag | Hydraulic system for an automatic transmission |
JP6220837B2 (en) | 2015-11-02 | 2017-10-25 | Kyb株式会社 | Vane pump |
DE102016211913A1 (en) | 2016-06-30 | 2018-01-18 | Schwäbische Hüttenwerke Automotive GmbH | Vane pump with pressurizable underwing area |
CN106122001A (en) * | 2016-07-29 | 2016-11-16 | 李钢 | The vane pump of balanced radial force |
JP6948195B2 (en) | 2017-09-13 | 2021-10-13 | 日立Astemo株式会社 | Pump device |
-
2019
- 2019-11-22 DE DE102019218034.5A patent/DE102019218034B4/en active Active
-
2020
- 2020-11-13 US US17/594,558 patent/US20230304495A1/en not_active Abandoned
- 2020-11-13 JP JP2021570415A patent/JP2022534112A/en active Pending
- 2020-11-13 WO PCT/DE2020/200101 patent/WO2021098921A1/en active Application Filing
- 2020-11-13 CN CN202080024209.5A patent/CN113631815A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2653551A (en) * | 1947-12-22 | 1953-09-29 | New York Air Brake Co | Fluid pump |
US2832199A (en) * | 1953-04-30 | 1958-04-29 | American Brake Shoe Co | Vane pump |
US3401641A (en) * | 1966-02-16 | 1968-09-17 | American Brake Shoe Co | Three area vane type hydraulic pump having force modulating flow restrictor means |
US3299823A (en) * | 1966-07-05 | 1967-01-24 | Samuel J E Marshall | Pumps |
US5064362A (en) * | 1989-05-24 | 1991-11-12 | Vickers, Incorporated | Balanced dual-lobe vane pump with radial inlet and outlet parting through the pump rotor |
US20020114708A1 (en) * | 2000-12-12 | 2002-08-22 | Hunter Douglas G. | Variable displacement vane pump with variable target regulator |
Also Published As
Publication number | Publication date |
---|---|
DE102019218034A1 (en) | 2021-05-27 |
DE102019218034B4 (en) | 2021-07-29 |
JP2022534112A (en) | 2022-07-27 |
WO2021098921A1 (en) | 2021-05-27 |
CN113631815A (en) | 2021-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5501582A (en) | Magnetically driven centrifugal pump | |
US20100239437A1 (en) | Fluid channeling device for back-to-back compressors | |
US9341170B2 (en) | Axial piston machine | |
US5472321A (en) | Fuel pump having an impeller with axially balanced forces acting thereon | |
US20100329917A1 (en) | Vane pump | |
US4505649A (en) | Vane pumps | |
CA2860285A1 (en) | Multi-stage vane pump | |
EP2151576A2 (en) | Variable capacity vane pump | |
US2876705A (en) | Pressure loaded gear pump | |
US9447686B2 (en) | Axial piston machine having an insert ring and an insert ring for an axial piston machine | |
US7467934B2 (en) | Axial piston engine with integrated filling pump | |
US20230304495A1 (en) | Multiple-flow vane cell pump | |
US20150030486A1 (en) | Variable capacity vane pump | |
US2823615A (en) | Pump with pressure loaded bushings | |
US20040223842A1 (en) | Multi-stage fuel pump | |
US20150198156A1 (en) | Control ring for a hydrostatical device | |
EP3828415B1 (en) | Internal gear pump | |
CN102648350A (en) | External Gear Pump | |
CN115711212A (en) | Compact type duplex variable plunger pump | |
US6932203B2 (en) | Torque converter | |
EP2920422B1 (en) | Vane rotor for a rotary volumetric pump | |
US20120257962A1 (en) | Positive displacement pump | |
US10982669B2 (en) | Hydraulic motor disc valve optimization | |
US2417816A (en) | Fluid pump or motor | |
JP6031311B2 (en) | Variable displacement vane pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: HANON SYSTEMS EFP DEUTSCHLAND GMBH, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MAUSER, THILO;BERG, SERGEJ;REEL/FRAME:057873/0597 Effective date: 20211005 |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: NON FINAL ACTION MAILED |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |