CN102788013A - Variable pump, engine and automobile - Google Patents
Variable pump, engine and automobile Download PDFInfo
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- CN102788013A CN102788013A CN2011101311678A CN201110131167A CN102788013A CN 102788013 A CN102788013 A CN 102788013A CN 2011101311678 A CN2011101311678 A CN 2011101311678A CN 201110131167 A CN201110131167 A CN 201110131167A CN 102788013 A CN102788013 A CN 102788013A
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- displacement pump
- regulating block
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- 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
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- 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
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- 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
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- 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 invention provides a variable pump, an engine and an automobile. The variable pump comprises a stator, a rotor and blades. The stator is sleeved on the rotor. The blades are arranged between walls of the stator and the rotor. The stator, the rotor and adjacent two of the blades form a cavity. The variable pump also comprises adjustment blocks and a feeding control assembly. The adjustment blocks are slidingly inserted into sockets on the wall of the rotor along a radial direction of the rotor and the sockets face to the cavity. The feeding control assembly is connected to the adjustment blocks and is used for adjusting a feeding state and a feeding amount of the adjustment blocks moving towards the cavity. The variable pump, the engine and the automobile utilize the adjustment blocks to adjust a pump liquid supply amount and thus a pump volume can be adjusted; waste of engine oil supply is reduced when the adjustment blocks are used for an engine oil pump; and engine economical efficiency is improved.
Description
Technical field
The present invention relates to the mechanical structure technology, relate in particular to a kind of variable displacement pump, motor and automobile.
Background technique
Various pump structures are parts that mechanical field extensively adopts, and for example the oil pump on the motor is used to supply with machine oil.
The form of pump has multiple, is example with the engine oil pump, and it adopts metering pump usually, and a kind of form of metering pump is a vane pump.Vane pump mainly comprises single acting vane pump and double-acting vane pump, and it exports fluid quantitatively.Typical vane pump structure comprises stator, rotor and a plurality of blade; The mutually nested setting with rotor of stator is provided with blade between the wall of stator and rotor, surrounds cavity between stator, rotor and the adjacent blades; Arranged outside at vane pump has thrust plate; Be formed with in-line and fuel-displaced pipeline in the thrust plate, link to each other with cavity respectively, the effect through vane pump exports fluid to fuel-displaced pipeline from in-line.
In the engine technology of existing use metering pump; Motor is in order to provide enough supply capabilities under any rotating speed; So in order to guarantee also to satisfy under the poorest supply capability fuel feeding demand of motor; The superfluous situation of oil pump fuel feeding after rotation speed change, often occurs, cause the waste of power, thereby reduce the Economy of motor.
Summary of the invention
The invention provides a kind of variable displacement pump, motor and automobile,, solve the problem of pump power waste with the supply capacity adaptability of optimization variable pump.
The invention provides a kind of variable displacement pump, comprise stator, rotor and blade, said stator and the mutually nested setting of said rotor; Said blade is set between the wall of said stator and rotor; Surround cavity between said stator, rotor and the adjacent blades, wherein, said variable displacement pump also comprises:
Regulating block is plugged in along radially sliding of rotor in the socket of rotor wall, and said socket is towards said cavity setting;
The feeding control unit links to each other or indirect association with said regulating block, is used to control the feeding state and the amount of feed that said regulating block moves in cavity.
Aforesaid variable displacement pump wherein, preferably, also comprises:
The return control system links to each other or indirect association with said regulating block, is used to control said regulating block and maintains initial position or/and be repositioned to initial position by the feeding state.
Aforesaid variable displacement pump, wherein, preferably: said blade is plugged in the interpolation slit of rotor outer wall along radially sliding of rotor; Said stator be shaped as tubular, be set in the outside of said rotor.
Aforesaid variable displacement pump, wherein, preferably: said stator and cross section of rotor shape are circle, and said stator and said rotor eccentricity setting.
Aforesaid variable displacement pump, wherein, preferably: the shape of cross section of said tubular stator is oval, and said cross section of rotor is shaped as circle, and the center of said stator is provided with the center of circle of said rotor is concentric.
Aforesaid variable displacement pump, wherein, preferably: the quantity of said regulating block is one.
Aforesaid variable displacement pump, wherein, preferably: the quantity of said regulating block is a plurality of, is separately positioned in a plurality of said cavitys.
Aforesaid variable displacement pump, wherein, preferably, said feeding control unit comprises:
Moving block, said moving block along said rotor axially, pass the groove that rotor side surface offers and link to each other with said regulating block, the sphenoid surface through coupling each other between said moving block and the said regulating block is continuous;
Actuator is arranged on the outside of said rotor, links to each other with said moving block, is used to drive said moving block moving axially along rotor in rotor rotation.
Aforesaid variable displacement pump, wherein, preferably: be respectively arranged with slideway and chute that mutual hook joint cooperates on the sphenoid surface of said regulating block and moving block.
Aforesaid variable displacement pump, wherein, preferably: the shape of cross section of said slideway and chute is T font or dove-tail form.
Aforesaid variable displacement pump, wherein, preferably: said return control system is a return spring, said return spring replace said moving block stretch into rotor the end and over against rotor between; Or said return spring replace said moving block stretch into rotor the end and over against the outer wall of rotor between; Or said return spring stretch be arranged on said regulating block deviate from said cavity the end and over against the socket inwall between, be used to control said regulating block and be repositioned in the said socket.
Aforesaid variable displacement pump, wherein, preferably:
Said actuator is a protruding cam, the circumferential fixed angle setting of relative stator, and said protruding cam comprises the protruding peach of discshaped body and annular boss shape, said protruding peach is joined with said moving block conflict towards said moving block setting.
Aforesaid variable displacement pump, wherein, preferably, said feeding control unit also comprises:
The control performance element links to each other with said protruding cam, and the axial feed that is used to control the said rotor in said protruding cam edge moves.
The present invention also provides a kind of motor, wherein, comprises variable displacement pump provided by the invention.
The present invention provides a kind of automobile again, wherein, comprises motor provided by the invention.
Variable displacement pump provided by the invention, motor and automobile have been realized the function of capacity regulating through the feed flow capacity of regulating block adjusting pump, when being used for engine oil pump, have reduced the waste of engine oil, have improved the Economy of motor.
Description of drawings
The structural section figure of the variable displacement pump that Fig. 1 provides for the embodiment of the invention one when regulating block is positioned at initial position.
The structure side view of the variable displacement pump that Fig. 2 provides for the embodiment of the invention two when regulating block is positioned at initial position.
The structural section figure of the variable displacement pump that Fig. 3 provides for the embodiment of the invention two after regulating block moves.
The structure side view of the variable displacement pump that Fig. 4 provides for the embodiment of the invention two after regulating block moves.
Protruding cam structural front view in the variable displacement pump that Fig. 5 provides for the embodiment of the invention three.
Protruding cam structure side view in the variable displacement pump that Fig. 6 provides for the embodiment of the invention three.
Reference character:
The 1-stator; The 2-rotor; The 3-blade;
The 4-discshaped body; The 5-regulating block; The 6-moving block;
The 7-return spring; The protruding cam of 8-; 9-controls performance element;
The protruding peach of 10-; The 11-cavity.
Embodiment
For making the object of the invention, technological scheme and advantage clearer; To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention carried out clear, intactly description, obviously; Described embodiment is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
The structural section figure of the variable displacement pump that Fig. 1 provides for the embodiment of the invention one when regulating block is positioned at initial position; The embodiment of the invention one provides a kind of variable displacement pump; As shown in Figure 1, comprise stator 1, rotor 2 and blade 3, stator 1 and rotor 2 mutually nested settings; Blade 3 is set between the wall of stator 1 and rotor 2, surrounds cavity 11 between said stator 1, rotor 2 and the blade 3.
Wherein, this variable displacement pump also comprises regulating block 5 and feeding control unit, and regulating block 5 is plugged in along radially sliding of rotor 2 in the socket of rotor 2 walls, and socket is provided with towards cavity 11; The feeding control unit links to each other or indirect association with regulating block 5; Be used for the feeding state and the amount of feed that regulating and controlling piece 5 moves in cavity 11; Regulating block 5 is through the volume that cavity 11 is stretched in control that moves radially along rotor 2; So that change the volume of cavity 11, thereby realize regulating the purpose of pump delivery.
On the basis of the foregoing description, preferably, also include the return control system, link to each other or indirect association with regulating block 5, be used for regulating and controlling piece 5 and maintain initial position or/and be repositioned to initial position by the feeding state.
The concrete structure of present embodiment variable displacement pump rotor 2, stator 1 and blade 3 is: blade 3 is plugged in the interpolation slit of rotor 2 outer wall along radially sliding of rotor 2; Stator 1 be shaped as tubular, be set in the outside of rotor 2.Certainly, the pump housing that the technological means that stretches into the regulating block 5 in the cavity 11 is not limited to this kind structure is set, for example can be set in the form in the stator outside for rotor, it realizes that principle is similar.
In the present embodiment, the shape of cross section of stator 1 and rotor 2 is circle, and stator 1 and rotor 2 eccentric settings, and said structure is used for single acting vane pump more.
The preferred version of another kind of stator 1 and rotor 2 relative structures is; The shape of cross section of tubular stator 1 is oval; The shape of cross section of rotor 2 is circular, and the center of said stator 1 is provided with the center of circle of rotor 2 is concentric, and this structure is used for double-acting vane pump more; Utilize the fore and aft motion of the not isometric realization blade of oval-shaped 1 radius, realize the compression fuel feeding.Present embodiment is that example describes with the shape of cross section of said stator 1 and rotor 2 only, does not do concrete qualification.
In the variable displacement pump of said structure, the quantity of regulating block 5 can be separately positioned in a plurality of cavitys 11 for one or more.As required, one or more regulating blocks 5 can be set in a cavity 11.
Under certain pump operating mode, pump is inhaled the process with pump row, and regulating block 5 all is in initial position under the control of return system, and pump delivery is by stator 1, rotor 2, blade 3 and to be in the regulating block 5 of initial position definite.
When according to actual needs, when the pump operating mode changed to some extent, the state in pump suction process was: regulating block 5 is in initial position under the control of return system; State in pump row process is: be in the feeding state under the control of regulating block 5 by the feeding control unit, pump delivery is confirmed by stator 1, rotor 2, blade 3 and the regulating block 5 that is in diverse location.Compare an operating mode because the position of pump suction process regulating block 5 is different, so pump delivery change, thereby realized that needs according to different operating modes provide the purpose of pump displacement.
The variable displacement pump that the embodiment of the invention one provides through feeding control unit regulating and controlling piece along rotor radially do feed movement, thereby regulate the volume of cavity, realize that pump regulates the purpose of compression liquid supply rate.
Embodiment two
The structure side view of the variable displacement pump that Fig. 2 provides for the embodiment of the invention two when regulating block is positioned at initial position; The structural section figure of the variable displacement pump that Fig. 3 provides for the embodiment of the invention two after regulating block moves, the structure side view of the variable displacement pump that Fig. 4 provides for the embodiment of the invention two after regulating block moves.The embodiment of the invention two provides a kind of variable displacement pump, please comprise stator 1, rotor 2 and blade 3 simultaneously with reference to Fig. 1-4; Stator 1 and rotor 2 mutually nested settings are provided with blade 3 between the wall of stator 1 and rotor 2, surround cavity 11 between said stator 1, rotor 2 and the blade 3; Wherein, This variable displacement pump also comprises regulating block 5 and feeding control unit, and regulating block 5 is plugged in along radially sliding of rotor 2 in the socket of rotor 2 walls, is provided with towards cavity 11; The feeding control unit links to each other or indirect association with regulating block 5; Be used for the amount of feed that regulating and controlling piece 5 moves in cavity 11; This feeding control unit specifically comprises moving block 6 and actuator; Moving block 6 is axial along rotor 2, passes the groove of offering rotor 2 sides and links to each other with regulating block 5, links to each other through the sphenoid surface that matees each other between moving block 6 and the regulating block 5; Actuator is arranged on the outside of rotor 2, links to each other with moving block 6, is used to drive moving block 6 moving axially along rotor 2.
The working procedure of this variable displacement pump is: actuator is under extraneous control unit effect; Can when rotating, axially do feed movement according to the operating mode of pump and the suction process driving moving block 6 of pump along rotor 2 with rotor 2; Radially do the feeding displacement to drive regulating block 5 along rotor 2; To change the volume of cavity 11, realize the purpose of the variable feed flow of pump.
On the basis of the foregoing description; Preferably be respectively arranged with slideway and the chute that mutual hook joint cooperates on the sphenoid surface of regulating block 5 and moving block 6; This slideway and chute can be T font or dove-tail form; Being provided with of slideway and chute can improve the continuity of motion with regulating block 5 and moving block 6 dismountable linking together.As long as the pattern of slideway and chute satisfies dismountable regulating block 5 and moving block 6 of being connected, specifically do not limiting in shape.Hook joint through slideway and chute cooperates, and can limit the relative movement on perpendicular to the direction of sphenoid surface of regulating block 5 and moving block 6, only can be along sphenoid surface direction slide relative.
Under certain pump operating mode, pump is inhaled the process with pump row, and regulating block 5 all is in initial position under the control of return system, and pump delivery is by stator 1, rotor 2, blade 3 and to be in the regulating block 5 of initial position definite.
When according to actual needs, when the pump operating mode changed to some extent, the state in pump suction process was: regulating block 5 is in initial position under the control of return system; State in pump row process is: be in the feeding state under the control of regulating block 5 by the feeding control unit, pump delivery is confirmed by stator 1, rotor 2, blade 3 and the regulating block 5 that is in diverse location.Compare an operating mode because the position of pump suction process regulating block 5 is different, so pump delivery change, thereby realized that needs according to different operating modes provide the purpose of pump displacement.
Preferably, above-mentioned return control system can be return spring 7, replace moving block 6 stretch into rotor 2 the end and over against rotor 2 inwalls between.Can this return spring 7 of compression after moving block 6 is done feed movement.After feed flow of completion; If remove the control of the amount of feed; Then under the elastic force effect of return spring 7, moving block 6 is resetted; Owing to be slidingly connected by slideway and chute between moving block 6 and the regulating block 5, reset after regulating block 5 overcomes rotating inertia force thereby drive, and make the movement position of regulating block 5 more accurate.Return spring 7 can also design at moving block 6 and deviate between the outer wall of the end of stretching into rotor 2 and rotor 2, realizes resetting of regulating block 5.
Regulating block 5 can through with moving block 6 hook joints, under the drive of moving block 6, carry out return, also can only contact and join, separately return under the effect of return control system with moving block 6.
Can also utilize the contractile force of spring under extended state as return power, for example this return spring stretch be arranged on regulating block 5 deviate from cavity 11 the end and over against the socket inwall between, be used for regulating and controlling piece 5 and be repositioned in the socket.
The variable displacement pump that the embodiment of the invention two provides is through the axial feed motion of actuator control moving block along rotor; To promote the radial motion of regulating block along rotor; Thereby regulate the volume of cavity, realized the adjustable function of variable displacement pump capacity, when being used for engine oil pump; Reduce the waste of engine oil, improved the Economy of motor.
Embodiment three
Protruding cam structural front view in the variable displacement pump that Fig. 5 provides for the embodiment of the invention three, the protruding cam structure side view in the variable displacement pump that Fig. 6 provides for the embodiment of the invention three, the embodiment of the invention three provides a kind of variable displacement pump; Please comprise stator 1, rotor 2 and blade 3, stator 1 and rotor 2 mutually nested settings simultaneously with reference to Fig. 1-6; Blade 3 is set between the wall of stator 1 and rotor 2; Surround cavity 11 between said stator 1, rotor 2 and the blade 3, wherein, this variable displacement pump also comprises regulating block 5 and feeding control unit; Regulating block 5 is plugged in along radially sliding of rotor 2 in the socket of rotor 2 walls, is provided with towards cavity 11; The feeding control unit links to each other or indirect association with regulating block 5; Be used for the amount of feed that regulating and controlling piece 5 moves in cavity 11; This feeding control unit specifically comprises moving block 6 and actuator; Moving block 6 is axial along rotor 2, passes the groove of offering rotor 2 sides and links to each other with regulating block 5, links to each other through the sphenoid surface that matees each other between moving block 6 and the regulating block 5; Actuator is arranged on the outside of rotor 2; Link to each other with moving block 6, be used to drive moving block 6 along the moving axially of rotor 2, this actuator specifically can be a protruding cam 8; The circumferential fixed angle setting of relative stator 1; Protruding cam 8 comprises the protruding peach 10 of discshaped body 4 and annular boss shape, and protruding peach 10 is provided with towards moving block 6, conflicts with moving block 6 and joins.Protruding cam 8 with form cam mechanisms with rotor 2 around the moving block 6 of rotational, thereby control moving block 6 is axially done feed movement with respect to rotor 2 when rotating with rotor 2.The side profile of protruding peach 10 is the molded lines that seamlessly transits, and the molded lines that seamlessly transits can smoothly contact with moving block 6 and make motion more steady.
On the basis of the foregoing description, the feeding control unit also preferably includes the control performance element, links to each other with protruding cam 8, is used to control protruding cam 8 and moves relative to the axial feed of rotor 2.Above-mentioned control performance element can be electronically controlled hydraulic system, also can be the electronically controlled motor system, controls the feeding of protruding cam 8 and moves.
The variable displacement pump that is set for the eccentric with stator and rotor is an example; The adjustable process of the calculating of variable displacement pump lifting rate and lifting rate is specific as follows among above-mentioned three embodiments: please see figures.1.and.2, when regulating block 5 all is in when being positioned at initial position in pump suction operating mode, the regulating block 5 of this moment does not play the effect of regulating the oil extraction volume; Wherein, The diameter of stator 1 and rotor 2 is respectively D and d, and the thickness of stator 1 is L, and the angle between two adjacent blades 3 is β; The quantity of blade 3 is Z; Throw of eccentric between the center O 1 of stator 1 and the center O 2 of rotor 2 is e, because the existence of this eccentric distance e, the volume that stator 1, rotor 2 and blade 3 are surrounded is respectively V1 and V2 under minimum and maximum situation.When rotor 2 rotates a circle, the change in volume that adjacent two blades 3 surround is for to become minimum volume V2 by maximum volume V1.If approximate all thinks with O1 to be the circular arc in the center of circle with AB and CD, have so:
V1＝βL[(D/2+e)
2+(d/2)
2]/2；
V2＝βL[(D/2-e)
2+(d/2)
2]/2；
So pump delivery is:
V＝Z*(V1-V2)＝2πDLe；
The actual flow of pump is:
Q=2 π DLen η, wherein, η is a pump volumetric efficiency, n is a revolution speed.This formula is to be example with the variable displacement pump that stator and rotor are set for the eccentric as previously mentioned, and the formula difference but no longer specifies at this therewith when on other pumps, using this invention.
Please with reference to Fig. 3-6, as mentioned in the above stated specification, when being in pump suction operating mode, moving block 6 is in initial position under the effect of return spring 7.Regulating block 5 between two blades 3 also is in initial position under the effect of return control unit; Operating mode demand according to pump; 9 pairs of protruding cams 8 of control performance element apply to the feeding displacement x of rotor 2 near direction; Contact with protruding peach 10 protruding cam 8 along with the rotation moving block of rotor 26 is level and smooth; And stressedly move along rotor 2 axial feeds, regulating block 5 is stressed to be moved along rotor 2 radially outwards thereby make.During the stage, moving block 6 is along rotor 2 axial displacement x pump row, and volume adjustment piece 5 is along rotor 2 radial displacement y.
So the actual oil extraction volume that is in the compression fuel feeding stage is surrounded by stator 1, rotor 2, adjacent two blades 3 and regulating block 5.Actual minimum volume is that V2 deducts V3.
So the pump displacement under the volume adjustment state is:
V′＝Z*[V1-(V2-V3)]＝Z*(V1-V2+V3)＝2πDLe+Z*V3；
The actual flow of pump is:
Q＝2πDLenη+Znη*V3；
This shows, arrange the displacement diametrically of relative rotor of stage at pump, realized the adjusting of pump capacity according to the work requirements regulating and controlling piece of pump.
The variable displacement pump that the embodiment of the invention provides has been realized the adjustable purpose of pump displacement under the different operating modes through the volume of the mobile change cavity of feeding control unit regulating and controlling piece, has improved the Economy of pump, has practiced thrift cost.
The embodiment of the invention also provides a kind of motor, and comprising the variable displacement pump that any embodiment of the present invention provides, this variable displacement pump specifically can be oil pump.
The motor that the embodiment of the invention provides is regulated the oil feed pump capacity through regulating block, and the adjustable function of the capacity of having realized has reduced the waste of engine oil, has improved the Economy of motor.
The embodiment of the invention provides a kind of automobile again, the motor that provides comprising any embodiment of the present invention.
The automobile that the embodiment of the invention provides has solved the defective of existing metering pump power dissipation under superfluous supply capability operating mode, has improved the Economy of motor.
What should explain at last is: above embodiment is only in order to explaining technological scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technological scheme of relevant art scheme.
Claims (15)
1. variable displacement pump; Comprise stator (1), rotor (2) and blade (3); Said stator (1) and the mutually nested setting of said rotor (2) are provided with said blade (3) between the wall of said stator (1) and rotor (2), surround cavity (11) between said stator (1), rotor (2) and the adjacent blades (3); It is characterized in that said variable displacement pump also comprises:
Regulating block (5) is plugged in along radially sliding of rotor (2) in the socket of rotor (2) wall, and said socket is provided with towards said cavity (11);
The feeding control unit links to each other or indirect association with said regulating block (5), is used to control the feeding state and the amount of feed that said regulating block (5) moves in cavity (11).
2. variable displacement pump according to claim 1 is characterized in that, also comprises:
The return control system links to each other or indirect association with said regulating block (5), is used to control said regulating block (5) and maintains initial position or/and be repositioned to initial position by the feeding state.
3. variable displacement pump according to claim 2 is characterized in that:
Said blade (3) is plugged in the interpolation slit of rotor (2) outer wall along radially sliding of rotor (2);
Said stator (1) be shaped as tubular, be set in the outside of said rotor (2).
4. variable displacement pump according to claim 3 is characterized in that:
The shape of cross section of said stator (1) and rotor (2) is circle, and said stator (1) is provided with said rotor (2) is eccentric.
5. variable displacement pump according to claim 3 is characterized in that:
The shape of cross section of said tubular stator (1) is oval, and the shape of cross section of said rotor (2) be a circle, the concentric setting in the center of circle of the center of said stator (1) and said rotor (2).
6. according to claim 4 or 5 described variable displacement pumps, it is characterized in that:
The quantity of said regulating block (5) is one.
7. according to claim 4 or 5 described variable displacement pumps, it is characterized in that:
The quantity of said regulating block (5) is a plurality of, is separately positioned in a plurality of said cavitys (11).
8. according to the arbitrary described variable displacement pump of claim 2-5, it is characterized in that said feeding control unit comprises:
Moving block (6), said moving block (6) is axial along said rotor (2), passes the groove of offering rotor (2) side and links to each other with said regulating block (5), links to each other through the sphenoid surface that matees each other between said moving block (6) and the said regulating block (5);
Actuator is arranged on the outside of said rotor (2), links to each other with said moving block (6), is used to drive said moving block (6) moving axially along rotor (2) when rotating with rotor (2).
9. variable displacement pump according to claim 8 is characterized in that: be respectively arranged with slideway and chute that mutual hook joint cooperates on the sphenoid surface of said regulating block (5) and moving block (6).
10. variable displacement pump according to claim 9 is characterized in that: the shape of cross section of said slideway and chute is T font or dove-tail form.
11. variable displacement pump according to claim 8 is characterized in that: said return control system is return spring (7), said return spring (7) replace said moving block (6) stretch into rotor (2) the end and over against rotor (2) inwall between; Or said return spring (7) is arranged between the outer wall that said moving block (6) deviates from the end of stretching into rotor (2) and rotor (2); Or said return spring (7) stretch be arranged on said regulating block (5) deviate from said cavity (11) the end and over against the socket inwall between, be used to control said regulating block (5) and be repositioned in the said socket.
12. variable displacement pump according to claim 8 is characterized in that:
Said actuator is a protruding cam (8); The circumferential fixed angle setting of relative stator (1); Said protruding cam (8) comprises the protruding peach (10) of discshaped body (4) and annular boss shape, and said protruding peach (10) is provided with towards said moving block (6), conflicts with said moving block (6) and joins.
13. variable displacement pump according to claim 12 is characterized in that, said feeding control unit also comprises:
Control performance element (9) links to each other with said protruding cam (8), and the axial feed that is used to control said protruding cam (8) the said rotor in edge (2) moves.
14. a motor is characterized in that, comprises the arbitrary described variable displacement pump of claim 1-13.
15. an automobile is characterized in that, comprises the described motor of claim 14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131167.8A CN102788013B (en) | 2011-05-19 | 2011-05-19 | Variable pump, engine and automobile |
| PCT/CN2011/083879 WO2012155500A1 (en) | 2011-05-19 | 2011-12-13 | Variable pump, engine and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131167.8A CN102788013B (en) | 2011-05-19 | 2011-05-19 | Variable pump, engine and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102788013A true CN102788013A (en) | 2012-11-21 |
| CN102788013B CN102788013B (en) | 2015-07-08 |
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ID=47153530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110131167.8A Active CN102788013B (en) | 2011-05-19 | 2011-05-19 | Variable pump, engine and automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102788013B (en) |
| WO (1) | WO2012155500A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489877A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil pump |
| CN107489878A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil pump |
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| CN101985932A (en) * | 2010-11-22 | 2011-03-16 | 上海海事大学 | Steering pump device of double-acting variable vane |
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| US3008423A (en) * | 1959-11-18 | 1961-11-14 | Eugene J Miller | Variable capacity, reversible flow hydraulic rotary pump and system |
| JPS5951101A (en) * | 1982-09-16 | 1984-03-24 | Haruyoshi Kawazoe | Rotary machine |
| CN1070453A (en) * | 1991-12-19 | 1993-03-31 | 许连焕 | Double-acting automatic variable break-type stator vane pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489877A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil pump |
| CN107489878A (en) * | 2016-11-10 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of engine and its lubricating oil 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 |
| CN107489877B (en) * | 2016-11-10 | 2019-04-23 | 北汽福田汽车股份有限公司 | A kind of engine and its vane pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102788013B (en) | 2015-07-08 |
| WO2012155500A1 (en) | 2012-11-22 |
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