CN102562580A - Spherical vane hydraulic pump with oil discharging on shell - Google Patents
Spherical vane hydraulic pump with oil discharging on shell Download PDFInfo
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- CN102562580A CN102562580A CN2011104534339A CN201110453433A CN102562580A CN 102562580 A CN102562580 A CN 102562580A CN 2011104534339 A CN2011104534339 A CN 2011104534339A CN 201110453433 A CN201110453433 A CN 201110453433A CN 102562580 A CN102562580 A CN 102562580A
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Abstract
The invention discloses a spherical vane hydraulic pump with oil discharging on a shell. The spherical vane hydraulic pump comprises the shell, a rotor, two vanes, two sealing strips and two pads, wherein the rotor is positioned in the center; the shell is positioned on the outer part; the two vanes are positioned on two sides of the rotor respectively and arranged in a hollow circular ring at the opposite corner of the shell, and each vane and the rotor form an angle; a tangent value of the angle is a ratio of the height of the shell to the diameter of the bottom circle of the shell; the sealing strips are positioned between the rotor and the vanes; the plane side of each sealing strip is attached to one plane of the rotor; one columnar surface side of each sealing strip is attached to a columnar surface E1 of each vane; and the pads are positioned in the hollow circular ring at the opposite corner of the shell and just filled in gaps formed by the vanes, the rotor and the sealing strips. All sealed parts of the spherical vane hydraulic pump are in surface seal, so that the spherical vane hydraulic pump has a large exhaust amount, high efficiency, high specific power, a compact structure, relatively low cost and long service life, and is relatively easy to process.
Description
Technical field
The present invention relates to a kind of oil hydraulic pump, relate in particular to a kind of shell and join the spherical blade hydraulic pump of oily formula.
Background technique
Existing vane hydraulic pump structure is a rotor eccentricity and places in the cylinder body; Blade radial or place in the rotor with rotor radius is angled, rotor high-speed rotation during work, blade throws away under action of centrifugal force; Form Seal cage with cylinder body, volume-variation produces pressure during rotation.This form-blade pump is owing to be to lean on a Line of contact sealing between blade and the cylinder body, so sealability is relatively poor, and delivery pressure is lower; Produce very big friction when adding rotation between blade and rotor and cylinder body; Cause the oil hydraulic pump overall wear fast, the life-span is short, and efficient is low.In addition, in order to guarantee that blade can safety pass in and out in rotor, rotor must have suitable diameter during rotation, and the discharge capacity that is bound to like this is less.
Summary of the invention
The objective of the invention is deficiency, provide a kind of shell to join the spherical blade hydraulic pump of oily formula to existing technology.Discharge capacity of the present invention is big, and all sealing part is face seal again, and not easy to wear.
In order to achieve the above object, the technological scheme that the present invention adopts is following: a kind of shell is joined the spherical blade hydraulic pump of oily formula, comprising: housing, rotor, two blades, two Stamping Steel Ribbons and two cushion blocks.Rotor is positioned at the center, and housing is positioned at the outside, and two blades lay respectively at the both sides of rotor 2, and be placed in the housing diagonal angle hollow ring (being guiding groove) in, with rotor at an angle, the ratio that just is cut to housing height and circular diameter at the bottom of the housing of this angle.The plane of blade and the frustum cone side of rotor are tangent; Stamping Steel Ribbon is between rotor and blade; Fit in a plane of its plane one side and rotor; Cylinder one side is then fitted with the cylinder E1 of blade, cushion block 5 be positioned at the housing diagonal angle hollow ring, just in time fill up the vacancy that forms by blade, rotor and Stamping Steel Ribbon.
Said blade is surrounded by two plane A1, B1 and two cylinder C1, E1 and forms; Wherein, Cylinder C1 is that the center is centre of sphere O1, radius and the identical cylinder of radius of the cylinder E3 of the hollow ring of housing; Cylinder E1 is that the center is that centre of sphere O1, radius are the cylinder of O1K1, and some K1 was the vertical axis of symmetry of centre of sphere O1 and the intersection point of cylinder E1.Two plane A1 are parallel with B1, connect cylinder C1 and E1.The distance of two parallel plane A1 and B1 is a vane thickness, and vane thickness equates with the hollow ring width of housing.The length of O1K1 is the height sum of a half-sum Stamping Steel Ribbon of rotor slab-thickness.
Said Stamping Steel Ribbon upside is that a center is the cylinder that centre of sphere O1, radius equate with blade cylinder E1 radius; Downside is a plane; The perpendicular distance of centre of sphere O1 and this time side plane is the half the of rotor slab-thickness, and cylinder G1 is that the center is the cylinder that O1, radius equate with rotor cylinder P2 radius, and sphere F1 is that the centre of sphere is the sphere that O1, radius equate with housing sphere F3 radius; Plane H1 is parallel with I1, and width (being the distance of plane H1 and I1) equates with the thickness of blade.Blade and Stamping Steel Ribbon are axisymmetric.
In the middle of the said commentaries on classics 2 is one flat plate, and G2 and H2 are two identical director circle platform part sides, be positioned at dull and stereotyped in the middle of two waist places; One of them director circle platform is gone to the bottom and is B2, and upper base is that the center is O2 radius and the identical cloudy cylndrical surface P2 of the middle G1 radius of Stamping Steel Ribbon with dull and stereotyped connecting part, and A2 is the parallel disk that radius equates with B2; I2 is parallel plate level with J2, and the E2 and the F2 centre of sphere are the big sphere in the outside about O2, between planar I 2 and J2; The distance of two parallel plane I2 and J2 is a rotor lithographic plate thickness; The length of straigh line of K2M2 is the width of rotor, and whole rotor also is an axisymmetric not only about center O 2 symmetries.
Said housing is the dolioform sphere that two spherical crowns are fallen at parallel section of two, and thickness equates that with the width K2M2 of rotor end face A3 is the parallel disk that radius equates with bottom surface B3; Sphere F3 is to be the centre of sphere with O3; The sphere that the radius of big sphere E2 in the outside and F2 equates about radius and rotor, the diagonal angle of housing sphere is a hollow ring, two side C3 of hollow ring are parallel planar circulars with D3; E3 is the cylinder of central shaft through O3; Be positioned on the diagonal of housing, two plane C3 that hollow ring is parallel and the spatial position of D3 are to decide as follows: guarantee to assemble back C3 and D3 two planes and fit respectively with corresponding rotor two frustum cone side G2 and H2, the sphere of K3G3H3 is an oil extraction face; The position of G3H3 is the position on plane, rotor flat board left side when rotor forwards to perpendicular to the paper position by the paper position; The sphere of L3I3J3 is an oil-feed face, and the position of I3J3 is when rotor paper position forwards to perpendicular to the paper position, the position on plane, the dull and stereotyped right side of rotor.Whole housing is about billiard table center O 3 symmetries.
Said cushion block is one section annulus; Its outer side surface A4 is the cylinder that radius equates with housing hollow ring E3 external diameter; Inner side surface B4 is the sphere that radius equates with housing sphere F3 radius; Two waist C4 and D4 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1, and the thickness of cushion block is identical with vane thickness.Cushion block is shaped as axisymmetric.
When said shell was joined the spherical blade hydraulic pump input torque of oily formula, low pressure oil sucked from the oil-feed face of the sphere L3I3J3 of housing, and high pressure oil is discharged to load from the oil extraction face of the sphere K3G3H3 of housing.
The invention has the beneficial effects as follows:
1) all sealing part are face seal;
2) discharge capacity is big, and pressure is high, and efficient is high;
3) specific power is big;
4) compact structure, processing is relatively easy;
5) cost is lower, and the life-span is long.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1 is a blade shape schematic representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is a gasket structure schematic representation of the present invention;
Fig. 4 be among Fig. 3 Q1 to schematic representation;
Fig. 5 is a rotor structure schematic representation of the present invention;
Fig. 6 is the W-W sectional view of Fig. 5;
Fig. 7 is a shell construction schematic representation of the present invention;
Fig. 8 is the sectional view of housing;
Fig. 9 is the M-M sectional view of Fig. 8;
Figure 10 is an overall structure schematic representation of the present invention;
Figure 11 is that the K of Figure 10 is to schematic representation;
Figure 12 is the N-N sectional view of Figure 10;
Figure 13 is a running principle schematic representation of the present invention;
Figure 14 is the U-U sectional view of Figure 10;
Figure 15 is a working procedure principle schematic of the present invention;
Figure 16 is the V-V sectional view of Figure 13;
Figure 17 is a working procedure principle schematic of the present invention;
Among the figure: housing 1, rotor 2, blade 3, Stamping Steel Ribbon 4, cushion block 5.
Embodiment
Shown in figure 13, shell of the present invention is joined the spherical blade hydraulic pump of oily formula and is comprised: housing 1, rotor 2, two blades 3, two Stamping Steel Ribbons 4 and two cushion blocks 5.Rotor 2 is positioned at the center; Housing 1 is positioned at the outside, and two blades 3 lay respectively at the both sides of rotor 2, and be placed in housing 1 diagonal angle hollow ring (being guiding groove) in; With rotor 2 at an angle, the ratio that just is cut to housing 1 height and 1 end of housing circular diameter of this angle.The plane of blade 3 and the frustum cone side of rotor 2 are tangent; Stamping Steel Ribbon 4 is between rotor 2 and blade 3; Fit in a plane of its plane one side and rotor 2; Cylinder one side is then fitted with the cylinder E1 of blade 3, cushion block 5 be positioned at housing 1 diagonal angle hollow ring, just in time fill up the vacancy that forms by blade 3, rotor 2 and Stamping Steel Ribbon 4.
Illustrated in figures 1 and 2 is the shape of blade 3 of the present invention.Blade 3 is surrounded by two plane A1, B1 and two cylinder C1, E1 and forms; Wherein, Cylinder C1 is that the center is centre of sphere O1, radius and the identical cylinder of radius of the cylinder E3 of the hollow ring of housing 1; Cylinder E1 is that the center is that centre of sphere O1, radius are the cylinder of O1K1, and some K1 was the vertical axis of symmetry of centre of sphere O1 and the intersection point of cylinder E1.Two plane A1 are parallel with B1, connect cylinder C1 and E1.The distance of two parallel plane A1 and B1 is blade 3 thickness, and blade 3 thickness equate with the hollow ring width of Fig. 8 housing 1.The length of O1K1 is the height sum of a half-sum Stamping Steel Ribbon 4 of Fig. 6 rotor 2 slab-thicknesses.
Fig. 3 and shown in Figure 4 be the shape of Stamping Steel Ribbon 4 of the present invention.As shown in Figure 4; Stamping Steel Ribbon 4 upsides are that a center is the cylinder that centre of sphere O1, radius equate with blade 3 cylinder E1 radiuses; Downside is a plane; The perpendicular distance of centre of sphere O1 and this time side plane is the half the of Fig. 6 rotor 2 slab-thicknesses, and cylinder G1 is that the center is the cylinder that O1, radius equate with Fig. 5 rotor 2 cylinder P2 radiuses, and sphere F1 is that the centre of sphere is the sphere that O1, radius equate with Fig. 8 housing 1 sphere F3 radius; Plane H1 is parallel with I1, and width (being the distance of plane H1 and I1) equates with the thickness of blade 3.Blade 3 is axisymmetric with Stamping Steel Ribbon 4.
Fig. 5 and shown in Figure 6 be the shape of rotor 2 of the present invention.Be one flat plate in the middle of the rotor 2, G2 and H2 are two identical director circle platform part sides, be positioned at dull and stereotyped in the middle of two waist places; One of them director circle platform is gone to the bottom and is B2, and upper base is that the center is O2 radius and the identical cloudy cylndrical surface P2 of Stamping Steel Ribbon 4 middle G1 radiuses with dull and stereotyped connecting part, and A2 is the parallel disk that radius equates with B2; I2 is parallel plate level with J2, and the E2 and the F2 centre of sphere are the big sphere in the outside about O2, between planar I 2 and J2; The distance of two parallel plane I2 and J2 is rotor 2 lithographic plate thickness; The length of straigh line of K2M2 is the width of rotor 2, and whole rotor 2 also is an axisymmetric not only about center O 2 symmetries.
Fig. 7, Fig. 8 and shown in Figure 9 be the shape of housing 1 of the present invention.Housing 1 is the dolioform sphere that two spherical crowns are fallen at parallel section of two; Thickness equates with the width K2M2 of rotor 2; End face A3 is the parallel disk that radius equates with bottom surface B3, and sphere F3 is to be the centre of sphere with O3, the sphere that radius equates with the radius of big sphere E2 in rotor about 2 outsides and F2; The diagonal angle of housing 1 sphere is a hollow ring; Two side C3 of hollow ring are parallel planar circulars with D3, and E3 is the cylinder of central shaft through O3, is positioned on the diagonal of housing; Two plane C3 that hollow ring is parallel and the spatial position of D3 are to decide as follows: guarantee to assemble back C3 and D3 two planes and fit respectively with corresponding 2 liang of frustum cone side G2 of rotor and H2; Sphere K3G3H3 is an oil extraction face, and the position of circular arc G3H3 is that shown in figure 13 during perpendicular to the paper position position on plane, rotor flat board left side when rotor 2 is forwarded to by paper shown in Figure 5 position, and sphere L3I3J3 is an oil-feed face; The position of circular arc I3J3 be when rotor 2 forward to by paper shown in Figure 5 position shown in figure 13 during perpendicular to the paper position, the position on plane, rotor 2 dull and stereotyped right side.Whole housing 1 is about billiard table center O 3 symmetries.
The shape of cushion block 5 has been shown among Figure 12.Cushion block 5 is one section annulus; Its outer side surface A4 is the cylinder that radius equates with housing 1 hollow ring E3 external diameter; Inner side surface B4 is the sphere that radius equates with housing 1 sphere F3 radius; Two waist C4 and D4 are the cylinders that radius equates with the radius of blade 3 bottom surface cylinder E1, and the thickness of cushion block 5 is identical with blade 3 thickness.Cushion block 5 is shaped as axisymmetric.
As shown in Figure 6, after ball-type blade hydraulic pump of the present invention assembled, the center O 1 of each parts, O2, O3 overlapped.
Operation working principle of the present invention is following:
Like Figure 16, at an end of vane pump, rotor 2, blade 3, Stamping Steel Ribbon 4 and housing 1 are divided into three independently Seal cage Q1, Q2 and Q3 separately with oil pocket.When rotor 2 when Figure 10 or 6a position turn clockwise, chamber Q2 begins oil suction, Q3 is an oil sucting cavity, Q1 is an oil-discharging cavity, like Figure 15.Rotor 2 continues rotation clockwise, and oil sucting cavity Q2 and Q3 constantly enlarge, and oil-discharging cavity Q1 constantly dwindles.When forwarding Figure 13 or Figure 16 position to, it is maximum that oil sucting cavity Q3 reaches.At this moment, oil sucting cavity Q2 and Q3 and oil-discharging cavity Q1 still keep isolating.When rotor 2 continued rotation, chamber Q3 began oil extraction, and at this moment chamber Q2 still is an oil sucting cavity, and chamber Q1 is an oil-discharging cavity still, like Figure 17.When rotor 2 forwarded Figure 10 or 6a position to, chamber Q1 oil drained, and at this moment chamber Q2 still is an oil sucting cavity, and chamber Q3 still is an oil-discharging cavity.When rotor 2 continuation rotations, new oil sucting cavity begins oil suction, and chamber Q2 is also in oil suction, and chamber Q3 is also in oil extraction.When rotor 2 forwarded Figure 16 position again to, it is maximum that oil sucting cavity Q2 reaches, and begins oil extraction then, and at this moment, new oil sucting cavity is still in oil suction, and chamber Q3 is still in oil extraction.So go round and begin again.At the other end of vane pump, situation is also identical with this end.
Compare with the patent application (number of patent application is 200810162981.4) before the inventor; Stamping Steel Ribbon becomes two by four; The Stamping Steel Ribbon that matches with a blade becomes a whole piece by two that divide right and left, and so not only simplifies the structure, and has improved sealing effect and reliability.Simultaneously, become the director circle platform by sphere in the middle of the rotor, make the rotor intermediate volume littler, the space is bigger.Thereby specific discharge is increased considerably.
The foregoing description is used for the present invention that explains, rather than this aspect is limited, and in the protection domain of spirit of the present invention and claim, any modification and change to make this aspect all fall into protection scope of the present invention.
Claims (2)
1. a shell is joined the spherical blade hydraulic pump of oily formula, it is characterized in that it comprises housing (1), rotor (2), two blades (3), two Stamping Steel Ribbons (4) and two cushion blocks (5); Rotor (2) is positioned at the center; Housing (1) is positioned at the outside; Two blades (3) lay respectively at the both sides of rotor (2); And be placed in housing (1) diagonal angle hollow ring (being guiding groove) in, with rotor (2) at an angle, the ratio that just is cut to housing (1) height and housing (1) end circular diameter of this angle; The plane of blade (3) and the frustum cone side of rotor (2) are tangent; Stamping Steel Ribbon (4) is positioned between rotor (2) and the blade (3); Fit in a plane of its plane one side and rotor (2); Cylinder one side is then fitted with the cylinder E1 of blade (3), cushion block (5) be positioned at housing (1) diagonal angle hollow ring, just in time fill up the vacancy that forms by blade (3), rotor (2) and Stamping Steel Ribbon (4).
2. join the spherical blade hydraulic pump of oily formula according to the said shell of claim 1; It is characterized in that; Said blade (3) is surrounded by two plane A1, B1 and two cylinder C1, E1 and forms, and wherein, cylinder C1 is that the center is centre of sphere O1, radius and the identical cylinder of radius of the cylinder E3 of the hollow ring of housing (1); Cylinder E1 is that the center is that centre of sphere O1, radius are the cylinder of O1K1, and some K1 was the vertical axis of symmetry of centre of sphere O1 and the intersection point of cylinder E1; Two plane A1 are parallel with B1, connect cylinder C1 and E1; The distance of two parallel plane A1 and B1 is blade (a 3) thickness, and blade (3) thickness equates with the hollow ring width of housing (1); The length of O1K1 is the height sum of a half-sum Stamping Steel Ribbon (4) of rotor (2) slab-thickness;
Said Stamping Steel Ribbon (4) upside is that a center is the cylinder that centre of sphere O1, radius equate with blade (3) cylinder E1 radius; Downside is a plane; The perpendicular distance of centre of sphere O1 and this time side plane is the half the of rotor (2) slab-thickness; Cylinder G1 is that the center is the cylinder that O1, radius equate with rotor (2) cylinder P2 radius; Sphere F1 is that the centre of sphere is the sphere that O1, radius equate with housing (1) sphere F3 radius, and plane H1 is parallel with I1, and width (being the distance of plane H1 and I1) equates with the thickness of blade (3); Blade (3) and Stamping Steel Ribbon (4) are axisymmetric;
Said rotor is an one flat plate in the middle of (2), and G2 and H2 are two identical director circle platform part sides, be positioned at dull and stereotyped in the middle of two waist places; One of them director circle platform is gone to the bottom and is B2, and upper base is that the center is O2 radius and the identical cloudy cylndrical surface P2 of the middle G1 radius of Stamping Steel Ribbon (4) with dull and stereotyped connecting part, and A2 is the parallel disk that radius equates with B2; I2 is parallel plate level with J2, and the E2 and the F2 centre of sphere are the big sphere in the outside about O2, between planar I 2 and J2; The distance of two parallel plane I2 and J2 is rotor (a 2) lithographic plate thickness; The length of straigh line of K2M2 is the width of rotor (2), and whole rotor (2) also is an axisymmetric not only about center O 2 symmetries;
Said housing (1) is the dolioform sphere that two spherical crowns are fallen at parallel section of two; Thickness equates with the width K2M2 of rotor (2); End face A3 and bottom surface B3 are the parallel disks that radius equates, sphere F3 is to be the centre of sphere with O3, the outside sphere that equates of the radius of sphere E2 and F2 greatly about radius and rotor (2); The diagonal angle of housing (1) sphere is a hollow ring; Two side C3 of hollow ring are parallel planar circulars with D3, and E3 is the cylinder of central shaft through O3, is positioned on the diagonal of housing; Two plane C3 that hollow ring is parallel and the spatial position of D3 are to decide as follows: guarantee to assemble back C3 and D3 two planes and fit respectively with corresponding rotor (2) two frustum cone side G2 and H2; The sphere of K3G3H3 is an oil extraction face, and the position of G3H3 is the position on plane, rotor flat board left side when rotor (2) forwards to perpendicular to the paper position by the paper position, and the sphere of L3I3J3 is an oil-feed face; The position of I3J3 is when rotor (2) forwards to perpendicular to the paper position by the paper position, the position on plane, the dull and stereotyped right side of rotor (2); Whole housing (1) is about billiard table center O 3 symmetries;
Said cushion block (5) is one section annulus; Its outer side surface A4 is the cylinder that radius equates with housing (1) hollow ring E3 external diameter; Inner side surface B4 is the sphere that radius equates with housing (1) sphere F3 radius; Two waist C4 and D4 are the cylinders that radius equates with the radius of blade (3) bottom surface cylinder E1, and the thickness of cushion block (5) is identical with blade (3) thickness; Cushion block (5) is shaped as axisymmetric;
When said shell was joined the spherical blade hydraulic pump input torque of oily formula, low pressure oil sucked from the oil-feed face of the sphere L3I3J3 of housing (1), and high pressure oil is discharged to load from the oil extraction face of the sphere K3G3H3 of housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453433.9A CN102562580B (en) | 2011-12-30 | 2011-12-30 | Spherical vane hydraulic pump with oil discharging on shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453433.9A CN102562580B (en) | 2011-12-30 | 2011-12-30 | Spherical vane hydraulic pump with oil discharging on shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562580A true CN102562580A (en) | 2012-07-11 |
| CN102562580B CN102562580B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110453433.9A Expired - Fee Related CN102562580B (en) | 2011-12-30 | 2011-12-30 | Spherical vane hydraulic pump with oil discharging on shell |
Country Status (1)
| Country | Link |
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| CN (1) | CN102562580B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671096A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic pump |
| CN103727027A (en) * | 2013-12-16 | 2014-04-16 | 浙江大学 | Multiple-blade oil pump |
| CN109538467A (en) * | 2018-09-28 | 2019-03-29 | 浙江大学 | High-performance variable vane pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2043783A (en) * | 1979-01-04 | 1980-10-08 | Jocottet Sa Ets | Rotary Positive-displacement Fluid-machines |
| US20050186100A1 (en) * | 2004-02-23 | 2005-08-25 | Paul Weatherbee | Spherical fluid machines |
| CN101344085A (en) * | 2008-07-30 | 2009-01-14 | 郑良才 | Vane compressor or vacuum pump |
| CN101418792A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance spherical hydraulic pump |
| CN101418794A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | Spherical hydraulic pump |
| CN101418793A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
| CN101418795A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
-
2011
- 2011-12-30 CN CN201110453433.9A patent/CN102562580B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2043783A (en) * | 1979-01-04 | 1980-10-08 | Jocottet Sa Ets | Rotary Positive-displacement Fluid-machines |
| US20050186100A1 (en) * | 2004-02-23 | 2005-08-25 | Paul Weatherbee | Spherical fluid machines |
| CN101344085A (en) * | 2008-07-30 | 2009-01-14 | 郑良才 | Vane compressor or vacuum pump |
| CN101418792A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance spherical hydraulic pump |
| CN101418794A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | Spherical hydraulic pump |
| CN101418793A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
| CN101418795A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671096A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type hydraulic pump |
| CN103727027A (en) * | 2013-12-16 | 2014-04-16 | 浙江大学 | Multiple-blade oil pump |
| CN103671096B (en) * | 2013-12-16 | 2016-05-18 | 浙江大学 | A kind of blade hydraulic pump |
| CN109538467A (en) * | 2018-09-28 | 2019-03-29 | 浙江大学 | High-performance variable vane pump |
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| CN102562580B (en) | 2015-04-29 |
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