CN108644114A - A kind of adjustable rotating plate pump of flow - Google Patents
A kind of adjustable rotating plate pump of flow Download PDFInfo
- Publication number
- CN108644114A CN108644114A CN201810402179.1A CN201810402179A CN108644114A CN 108644114 A CN108644114 A CN 108644114A CN 201810402179 A CN201810402179 A CN 201810402179A CN 108644114 A CN108644114 A CN 108644114A
- Authority
- CN
- China
- Prior art keywords
- rotating plate
- stator
- pump
- rotor
- adjustable
- 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
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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
- F04C2/3441—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
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- 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
- F04C2240/80—Other components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention relates to a kind of adjustable rotating plate pumps of flow.The adjustable rotating plate pump of flow includes pump case, stator is installed in pump case, stator has revolution inner cavity, revolution inner cavity have radially extend into, liquid outlet, revolution is rotatablely equipped with sleeve rotor in inner cavity, the diameter of sleeve rotor is less than the diameter of revolution inner cavity and formed liquid channel therebetween, rotating plate is radially slidably fitted on sleeve rotor, rotating plate has multiple and is circumferentially being evenly distributed with, Floating support is housed in sleeve rotor, Floating support is supported on the inner end of rotating plate and rotating plate outer side edges is made to be abutted always with the cavity wall of revolution inner cavity, stator and rotor at least one adjustable in radial directions and make between the two perpendicular into, there is different eccentricities on liquid outlet line direction.The rotating plate pump of the present invention simplifies the structure of rotating plate pump using the design of Floating support, reduces rotating plate pump processing and fabricating cost.
Description
Technical field
The present invention relates to a kind of adjustable rotating plate pumps of flow.
Background technology
Rotating plate pump is the energy conversion device for converting mechanical energy into hydraulic energy, mostly can using flow in hydraulic system
The rotating plate of tune pumps.The adjustable rotating plate pump of flow is the pump that can adjust flow, it is constituted between rotating plate, stator and rotor
The working barrel of closed working chamber volume variation and realization sucking and extrusion.
The adjustable rotating plate pump of such flow in the prior art, such as the patent of invention that Authorization Notice No. is CN10129008B
A kind of vane pump disclosed in specification, the vane pump include shell, and stator is equipped in shell, is equipped with and turns in the stator
Son is equipped with pressure limiting spring and adjusting nut, is equipped with blade groove in rotor, blade is equipped in blade groove between stator and rotor
Spring and blade rack, blade rack position for leaf spring, blade（It is equivalent to rotating plate）It is installed in the blade groove of rotor,
Leaf spring is pushed down in one end, and the other end is close to stator inner surface.The vane pump can adjust rotor and stator by adjusting nut
Eccentricity realizes blade pump variable flow function.But the vane pump is complicated, high processing costs, and the vane pump is mostly suitable
For high pressure occasion, low pressure occasion is difficult to be applicable in.
Invention content
The purpose of the present invention is to provide a kind of flow adjustable rotating plate pumps, it is intended to solve existing rotating plate pump configuration it is complicated,
The problem of high processing costs.
To achieve the above object, the technical solution of the adjustable rotating plate pump of flow of the invention is：
A kind of adjustable rotating plate pump of flow includes pump case, and stator is equipped in pump case, and there is stator revolution inner cavity, revolution inner cavity to have
There is the liquid inlet and outlet radially extended, turn round in inner cavity and be rotatablely equipped with sleeve rotor, the diameter of sleeve rotor is less than revolution inner cavity
Diameter and formed liquid channel therebetween, rotating plate is radially slidably fitted on sleeve rotor, rotating plate has multiple
And be circumferentially evenly distributed with, Floating support is housed, Floating support is supported on the inner end of rotating plate and makes on the outside of rotating plate in sleeve rotor
Side is abutted with the cavity wall of revolution inner cavity always, stator and rotor at least one adjustable in radial directions and make to exist between the two
There is different eccentricities on liquid inlet and outlet line direction.
Advantage is：Eccentricity between the sleeve rotor and stator of the rotating plate pump of the present invention is adjustable, realizes rotation
Plate pump discharge is adjustable；Floating support is provided in sleeve rotor, Floating support makes rotating plate outer side edges in the inner end of rotating plate
Always it is abutted with the cavity wall of revolution inner cavity, using the design of Floating support, simplifies the structure of rotating plate pump, reduce rotating plate pump
Processing and fabricating cost.
Specifically, the stator is adjustable in radial directions.Stator is adjustable convenient for setting, is made to reduce rotating plate pump
Cost.
Further, the pump case is equipped with the adjustment mechanism for adjusting stator and eccentricity of rotor.Adjustment machine is set
Structure is conveniently adjusted the eccentricity of rotor and stator.
Further, the adjustment mechanism is adjusted using engagement thread.Threaded adjustment mode has locking convenient for setting
Effect.
Further, the adjustment mechanism includes the adjustment bolt of top pressure driving stator and provides to stator and adjust spiral shell
The elastic component of the reversed power of bolt active force.Adjustment bolt and elastic component collective effect position stator in pump case, help to increase
Strong rotating plate pumps stability in use.
Further, the adjustment mechanism further includes the guiding being sealedly connected on pump case for being oriented to adjustment bolt
Cylinder.Guide cylinder, which is arranged, to be helped to enhance the leakproofness of adjustment bolt and pump case.
Further, the pump case is equipped with the bearing for being used to support two ends of rotor, and the stator is located at two ends of rotor
The limited block for radially being limited to stator is equipped between bearing, between the bearing at both ends, the limited block is equipped with bullet
Property part mounting hole.Stator contributes on axial direction to limit stator between being set to two bearings.
Further, the bearing with limited block of at least one end are wholely set.Helping, which enhances bearing, limits stator shaft orientation
Intensity.
Further, inlet and liquid outlet are mutual when the rotating plate pump enables motor steering to change for axially symmetric structure
It changes.It only needs adjustment motor steering that rotating plate pump liquid inlet and outlet direction can be realized to exchange, suitable for need to frequently change the field in pumping direction
It closes.
Description of the drawings
Fig. 1 is the front view of the embodiment one of the adjustable rotating plate pump of flow of the present invention；
Fig. 2 is the vertical view of the embodiment one of the adjustable rotating plate pump of flow of the present invention；
Fig. 3 is sectional view along A-A in Fig. 2；
Fig. 4 is B-B direction sectional view in Fig. 3；
Fig. 5 is the structural schematic diagram of the limited block of Fig. 4；
Fig. 6 is the front view of the stator in Fig. 4；
Fig. 7 is the side view of the stator in Fig. 4；
Fig. 8 is the front view of the rotor in Fig. 4；
Fig. 9 is the side view of rotor in Fig. 4；
Figure 10 is the sectional view of rotor in Fig. 9；
Schematic diagram when Figure 11 is the flow adjustable rotating plate pump discharge maximum rating of the present invention；
Schematic diagram when Figure 12 is the flow adjustable rotating plate pump discharge minimum state of the present invention；
In attached drawing：1, pump case；2, stator；3, rotor；4, rotating plate；5, floating axle；6, transmission shaft；7, limited block；8, sliding bearing；
9, motor；10, adjustment mechanism；11, O-ring seals；12, spring；13, spring eye.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment one of the adjustable rotating plate pump of flow of the present invention, as shown in Figures 1 to 12, including pump case 1, stator
2, rotor 3, rotating plate 4, limited block 7, floating axle 5, sliding bearing 8, motor 9 etc..Pump case 1 is cuboid structure, is had in pump case 1
Cavity and the inlet and outlet being connected to cavity, and the leading portion for the cavity being connected to inlet and outlet is movably installed with stator
2, the back segment of cavity is equipped with motor 9.Pump case 1 in the present embodiment is separate structure, including front pump shell and rear pump shell, motor 9
In rear pump shell, stator 2 is mounted in front pump shell, and forward and backward pump case is bolted to connection and has between forward and backward pump case
There are O-ring seals 11.
Determine it is found that being equipped with adjusting for the ease of adjusting position of the stator 2 in pump case 1, on pump case 1 with reference to Fig. 3, Fig. 4
The adjustment mechanism 10 of sub 2 positions.Adjustment mechanism 10 includes the adjusting nut component being arranged on 1 top of pump case, adjusting nut component
Including the guide sleeve being threaded on pump case 1, guide sleeve internal thread is connected with adjustment bolt, and adjustment bolt is located in pump case 1
End have along the block convex edge that adjustment bolt radially extends, the end block of block convex edge and guide sleeve coordinates, and adjusts spiral shell
Bolt is set with O-ring seals 11 on the upside of convex edge, and O-ring seals 11 enhance the sealing between guide sleeve and adjustment bolt
Property.Adjustment bolt, which is located on the part in 1 outside of pump case, is threaded with clamp nut, and O is equipped between clamp nut and pump case 1
Shape sealing ring 11.Adjustment bolt is located at one end top pressure in pump case 1 on briquetting, and briquetting is adjacent to stator 2.The downside of stator 2
The spring 12 for being supplied to 2 upward active force of stator is installed, stator 2 is under spring 12 and the active force of adjustment bolt in pump case 1
Interior holding position is constant.When needing to adjust the position of stator 2, the position of stator 2 can be adjusted by screwing.With reference to Fig. 6, figure
7 it is found that stator 2 is cuboid structure, and the middle part of cuboid stator 2 has the cylindrical hole before and after stator 2, certainly, cylinder
Hole can also be the revolving body of other shapes in other embodiments.It is respectively provided with and cuboid circular hole on two sides of stator
The inlet and liquid outlet of connection, inlet are located at liquid outlet on same axis, and stator 2 is perpendicular to inlet and liquid outlet
It is adjustable on line direction.
Rotor 3 is coated in the cylindrical hole of stator 2, the end of rotor 3 is fixed on by bearing in pump case 1, adjustment mechanism
10 make rotor 3 have different eccentricities on liquid inlet and outlet direction from stator 2, and the bearing in the present embodiment is to slide
Dynamic bearing 8.With reference to Fig. 8, Fig. 9, Figure 10 it is found that rotor 3 includes cylindrical substrate, the end of cylindrical substrate has and transmission shaft
The rectangular opening of 6 positives is certain, and rectangular opening can also be the forms such as delthyrium, five corner apertures, hexagon ring in other embodiments.
There are four the segments radially extended for tool on the axial interlude of the outside wall surface of cylindrical substrate, and four segments are in the outer of matrix
On wall surface uniformly at intervals.And interval trough is formed between adjacent segment, the outside wall surface upper edge matrix of four segments is axially opened
There is mounting groove, mounting groove is rectangular channel, and rectangle mounting groove is and the perforative groove body in matrix inner cavity.Have in the cavity of rotor 3
Floating axle 5, floating axle 5 are the cylindrical shaft extended along rotor axial, and floating axle 5 constitutes Floating support.Mounting groove on rotor 3
When interior inserting rotating plate 4, one end that rotating plate 4 stretches in rotor 3 is abutted with floating axle 5, and the end that rotating plate 4 is located at outside rotor 3 exists
Be adjacent to the inside cavity of stator 2 under the top pressure active force of floating axle 5, the plate face of rotating plate 4 it is substantially parallel with the shaft of rotor 3 or
It overlaps.
Make to be limited on the axial direction of rotor 3 to stator 2 stator 2 only rotor 3 in the radial direction
Mobile, pump case 1 is equipped with limited block 7, and limited block 7 and two slidings between the downside of stator 2 and two sliding bearings 8
U-shaped limiting slot is formed between bearing 8.With reference to Fig. 5 the spring 12 that stator 2 provides active force is installed as it is found that having on limited block 7
Spring eye 13, the spring eye 13 on limited block 7 in the present embodiment is two rows.Limited block 7 in the present embodiment and two cunnings
Dynamic bearing 8, which is integrated, to be made, and setting in this way helps avoid that opposite sliding occurs between limited block 7 and sliding bearing 8, to have
Help ensure stator 2 only in the upper and lower of pump case to movement.Certainly, in other embodiments, limited block can also be slided with two
One in bearing is made into integration.Rotating plate pump in the present embodiment is axially symmetric structure, and the benefit designed in this way is can to pass through
Change the steering of driving motor and exchanges the inlet and outlet of rotating plate pump.
The flow-rate adjustment principle of the flow adjustable rotating plate pump of the present invention is：When needing to increase rotating plate pump feed flow, put
Loose adjustment bolt, stator 2 move up under the action of the elastic force of spring 12, and the rotating plate 4 of 5 lower section of floating axle is by stator 2
The 4 top pressure floating axle 5 of rotating plate of upward pressure on top surface, 5 lower section of floating axle makes floating axle 5 move upwards, 5 top pressure floating axle of floating axle
The rotating plate 4 of 5 tops is adjacent to 3 movement outside of rotor and with 2 inner wall of stator along rotor 3 is radial so that 3 upper wall surface of rotor with
Enclosed volume between 2 internal face of stator increases, and increases rotating plate pump feed flow.
When needing to reduce rotating plate pump feed flow, adjustment bolt is tightened, stator 2 is under the action of adjustment bolt to moving down
Dynamic, by the downward pressure on top surface of stator 2, the 4 top pressure floating axle 5 of rotating plate of 5 top of floating axle makes to float the rotating plate 4 of 5 top of floating axle
Moving axis 5 moves downward, and the rotating plate 4 below 5 top pressure floating axle of floating axle 5 is along rotor 3 radially to 3 movement outside of rotor and and stator
2 inner walls are adjacent to, so that the volume between 3 upper wall surface of rotor and stator 2 reduces, feed flow is pumped to reduce rotating plate.
When the volume between 3 upper wall surface of rotor and stator inner wall face is equal to the volume between 3 lower wall surface of rotor and stator inner wall face, rotation
Plate pump discharge is minimum.
The specific embodiment two of the adjustable rotating plate pump of flow of the present invention, with the embodiment one of the adjustable rotating plate pump of flow
The difference is that the adjustment mechanism in the present embodiment is leadscrew-nut mechanism, leading screw is connect with stator.Other and embodiment one
It is identical, it repeats no more.
The specific embodiment three of the adjustable rotating plate pump of flow of the present invention, with the embodiment one of the adjustable rotating plate pump of flow
The difference is that the stator in pump case in the present embodiment is fixed on pump body, Floating support is housed in sleeve rotor,
Rotating plate is radially slidably fitted on sleeve rotor, Floating support is supported on the inner end of rotating plate and rotating plate outer side edges is made to begin
It is abutted eventually with the cavity wall of bore of stator, sleeve rotor can be moved radially in bore of stator and make to have between stator and rotor
Different eccentricities.
Claims (9)
1. a kind of adjustable rotating plate pump of flow, it is characterised in that：Including pump case, stator is installed in pump case, stator has revolution
Inner cavity, revolution inner cavity have the liquid inlet and outlet radially extended, turn round in inner cavity and be rotatablely equipped with sleeve rotor, sleeve rotor
Diameter is less than the diameter of revolution inner cavity and formed liquid channel therebetween, is radially slidably fitted on sleeve rotor
Rotating plate, rotating plate have multiple and are circumferentially being evenly distributed with, and Floating support are housed, Floating support is supported on the interior of rotating plate in sleeve rotor
Hold and rotating plate outer side edges made to be abutted always with the cavity wall of revolution inner cavity, stator and rotor it is at least one adjustable in radial directions
And make that there is different eccentricities on liquid inlet and outlet line direction between the two.
2. the adjustable rotating plate pump of flow according to claim 1, it is characterised in that：The stator in radial directions may be used
It adjusts.
3. the adjustable rotating plate pump of flow according to claim 2, it is characterised in that：The pump case is equipped with fixed for adjusting
The adjustment mechanism of son and eccentricity of rotor.
4. the adjustable rotating plate pump of flow according to claim 3, it is characterised in that：The adjustment mechanism uses engagement thread
Adjustment.
5. the adjustable rotating plate pump of flow according to claim 4, it is characterised in that：The adjustment mechanism includes top pressure driving
The adjustment bolt of stator and stator is provided and the elastic component of the reversed power of adjustment bolt active force.
6. the adjustable rotating plate pump of flow according to claim 5, it is characterised in that：The adjustment mechanism further includes that sealing connects
It is connected on the guide cylinder for being oriented to adjustment bolt on pump case.
7. the adjustable rotating plate pump of flow according to claim 5, it is characterised in that：The pump case, which is equipped with to be used to support, to be turned
The bearing at sub- both ends, the stator are located between the bearing of two ends of rotor, are equipped between the bearing at both ends for stator radial direction
The limited block limited, the limited block are equipped with elastic component mounting hole.
8. the adjustable rotating plate pump of flow according to claim 7, it is characterised in that：At least bearing Yu limited block one of one end
Body is arranged.
9. being pumped according to the adjustable rotating plate of claim 1 ~ 8 any one of them flow, it is characterised in that：The rotating plate pump is axis pair
Inlet is exchanged with liquid outlet when claiming structure and motor steering being enable to change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402179.1A CN108644114B (en) | 2018-04-28 | 2018-04-28 | Flow-adjustable rotary plate pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402179.1A CN108644114B (en) | 2018-04-28 | 2018-04-28 | Flow-adjustable rotary plate pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644114A true CN108644114A (en) | 2018-10-12 |
| CN108644114B CN108644114B (en) | 2020-06-30 |
Family
ID=63748195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402179.1A Active CN108644114B (en) | 2018-04-28 | 2018-04-28 | Flow-adjustable rotary plate pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644114B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202747A (en) * | 2021-06-23 | 2021-08-03 | 河南航天液压气动技术有限公司 | Rotary plate pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2423654A (en) * | 1944-08-03 | 1947-07-08 | Arthur F Leis | Variable delivery vane pump |
| US2469097A (en) * | 1944-07-11 | 1949-05-03 | Herbert A Wrenn | Variable capacity sliding vane pump |
| US3813189A (en) * | 1972-05-24 | 1974-05-28 | L Tompkins | Low fluid fluid motor |
| JPS5923092A (en) * | 1982-07-29 | 1984-02-06 | Hino Motors Ltd | Variable displacement type vane pump used in internal combustion engine |
| CN201428592Y (en) * | 2009-06-18 | 2010-03-24 | 浙江德克玛液压制造有限公司 | Low voltage variable quantity blade pump |
| DE102009001152A1 (en) * | 2009-02-25 | 2010-08-26 | Robert Bosch Gmbh | Rotary vane pump of common rail injection system of e.g. diesel engine, of car, has unit for changing eccentricity of rotor, and slide valves mounted in guiding slot such that work space is divided into suction and discharge chambers |
| CN204572448U (en) * | 2015-03-04 | 2015-08-19 | 中国南方航空工业(集团)有限公司 | Motor and rotating plate pump |
| CN107366620A (en) * | 2016-05-13 | 2017-11-21 | 悦马塑料技术有限公司 | Adjustable blades pump |
-
2018
- 2018-04-28 CN CN201810402179.1A patent/CN108644114B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2469097A (en) * | 1944-07-11 | 1949-05-03 | Herbert A Wrenn | Variable capacity sliding vane pump |
| US2423654A (en) * | 1944-08-03 | 1947-07-08 | Arthur F Leis | Variable delivery vane pump |
| US3813189A (en) * | 1972-05-24 | 1974-05-28 | L Tompkins | Low fluid fluid motor |
| JPS5923092A (en) * | 1982-07-29 | 1984-02-06 | Hino Motors Ltd | Variable displacement type vane pump used in internal combustion engine |
| DE102009001152A1 (en) * | 2009-02-25 | 2010-08-26 | Robert Bosch Gmbh | Rotary vane pump of common rail injection system of e.g. diesel engine, of car, has unit for changing eccentricity of rotor, and slide valves mounted in guiding slot such that work space is divided into suction and discharge chambers |
| CN201428592Y (en) * | 2009-06-18 | 2010-03-24 | 浙江德克玛液压制造有限公司 | Low voltage variable quantity blade pump |
| CN204572448U (en) * | 2015-03-04 | 2015-08-19 | 中国南方航空工业(集团)有限公司 | Motor and rotating plate pump |
| CN107366620A (en) * | 2016-05-13 | 2017-11-21 | 悦马塑料技术有限公司 | Adjustable blades pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202747A (en) * | 2021-06-23 | 2021-08-03 | 河南航天液压气动技术有限公司 | Rotary plate pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644114B (en) | 2020-06-30 |
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