CN103671097B - A kind of vane pump - Google Patents
A kind of vane pump Download PDFInfo
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- CN103671097B CN103671097B CN201310688818.2A CN201310688818A CN103671097B CN 103671097 B CN103671097 B CN 103671097B CN 201310688818 A CN201310688818 A CN 201310688818A CN 103671097 B CN103671097 B CN 103671097B
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Abstract
The invention discloses a kind of vane pump, it comprises housing, rotor, blade, Stamping Steel Ribbon, join oil cone and cushion block, rotor is positioned at center, housing is positioned at outside, join oil cone and be positioned at two ends of rotor open circles table top, blade is placed in the hollow ring at housing diagonal angle, also be positioned at the groove of rotor simultaneously, and with rotor at an angle, a plane of blade with join the frustum cone side that oil bores and fit, Stamping Steel Ribbon is between rotor and blade, its plane side and rotor are fitted, then fit with the round table surface E1 of blade in round table surface side, cushion block is positioned at the hollow ring at housing diagonal angle, just in time fill up by housing, blade, the vacancy that rotor and Stamping Steel Ribbon are formed.All sealings place of the present invention are face sealing; Discharge capacity is large, and pressure is high, and efficiency is high; Specific power is large; Compact structure, processing is relatively easy; Cost is lower, and the life-span is long.
Description
Technical field
The present invention relates to vane pump, particularly relate to a kind of high performance vane pump.
Background technique
Existing vane pump structure is a rotor eccentricity and is placed in cylinder body, blade radial or be placed in rotor with rotor radius is angled, during work, rotor high-speed rotates, and blade throws away under the influence of centrifugal force, form Seal cage with cylinder body, during rotation, volume-variation produces pressure.This form vane pump is owing to being seal by a Line of contact between blade and cylinder body, and therefore sealability is poor, and delivery pressure is lower, very large friction is produced between blade and rotor and cylinder body when adding rotation, cause vane pump overall wear fast, the life-span is short, and efficiency is low.In addition, in order to ensure that blade safety can pass in and out in rotor during rotation, rotor must have suitable diameter, and the discharge capacity that is bound to like this is less, although there is Double-blade type oil hydraulic pump, owing to only having two panels blade, flow pulsation is comparatively large, and flow also owes large.
Summary of the invention
The object of this invention is to provide one and can realize huge discharge, flow pulsation is little again, and whole sealing place is again face sealing, and nonabradable high performance vane pump.
In order to achieve the above object, the technical solution used in the present invention is as follows: a kind of high performance vane pump, comprise housing, rotor, blade, Stamping Steel Ribbon, join oil cone and cushion block, rotor is positioned at center, housing is positioned at outside, join oil cone and be positioned at two ends of rotor open circles table top, blade is placed in the hollow ring at housing diagonal angle, also be positioned at the groove of rotor simultaneously, and with rotor at an angle, a plane of blade with join the frustum cone side that oil bores and fit, Stamping Steel Ribbon is between rotor and blade, its plane side and rotor are fitted, then fit with the round table surface E1 of blade in round table surface side, cushion block is positioned at the hollow ring at housing diagonal angle, just in time fill up by housing, blade, the vacancy that rotor and Stamping Steel Ribbon are formed.
In above-mentioned high performance vane pump, described blade is quadrant shape, total identical four, and wherein a slice blade is enclosed by two plane A1, B1 and cylinder C1, sphere D1 and two round table surface E1, J1 and forms; Wherein, the cylinder that C1 is center is centre of sphere O1, radius is identical with the radius of the cylinder E4 of the hollow ring of housing, D1 is the centre of sphere is the sphere that O1 radius is identical with rotor billiard table C2 radius, E1 and J1 is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and straight line M1N1, M1R1 and N1S1 is respectively then its side bus; Two plane A1 are parallel with B1; The distance of two parallel plane A1 and B1 is the thickness of blade, and vane thickness is equal with the hollow ring width of housing;
Described Stamping Steel Ribbon has identical eight, wherein an E1 side is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and P1Q1 respectively, P1R1 and N1S1 is then its side bus, K1 side is plane, cross axis and this plane parallel of centre of sphere O1, its perpendicular distance is the half of the orthogonal four-bladed vane thickness of slab of rotor, G1 is the centre of sphere is the sphere that O1 radius is equal with rotor center billiard table C2 radius, F1 is the centre of sphere is the sphere that O1 radius equals rotor line segment O2M2, H1 with I1 two faces are parallel planes, its half long OP1 is equal with housing cylinder F4 radius, R1 and S1 is two gradients with face D4 for the equal inclined-plane of the gradient of B4, the width of Stamping Steel Ribbon is equal with vane thickness, blade and Stamping Steel Ribbon are axisymmetric,
It is the parallel dolioform billiard table cutting out two spherical crowns in two in the middle of described rotor, an orthogonal four-bladed vane is inserted as symmetry in the middle of billiard table, A2 with B2 is parallel disk, the sphere of C2 and D2 to be the centre of sphere be O2, I2 and J2 is orthogonal two planes, in a blade and two the Stamping Steel Ribbon arranged orthogonal groove between I2 and J2, just in time completely closely sealed, E2 with F2 is that central shaft crosses the O2 radius cylinder identical with housing cylinder F4 radius, G2 with H2 is two identical hollow round table surface, one of them hollow round table upper and lower two ends, are disk B2 and the disc that is diameter with straight line K2L2 respectively, the length of straigh line of K2M2 is the width of rotor, whole rotor is not only symmetrical about billiard table center O2, also be axisymmetric,
Described join oil cone be a round platform, total identical two, the radius of upper and lower two end A3 and B3 of one of them round platform is equal with the radius at rotor hollow round table side G2 and H2 upper and lower two ends respectively, highly also equal with the height of rotor hollow round table side G2 and H2, the plane C3 that one side is cut mutually by a plane, the width of plane C3 the widest position is not more than the orthogonal four-bladed vane thickness of slab of rotor, and plane C3 and corresponding housing annulus parallel plane C4 and D4 fits;
Described housing is the parallel dolioform sphere cutting out two spherical crowns in two, thickness is equal with the width K2M2 of rotor, A4 with B4 is the parallel disk that two radiuses are equal, F4 is cylinder, its central shaft crosses O4, radius is equal with the radius of outside E2 and F2 cylinder about rotor, the diagonal angle of housing cylinder is a hollow ring, annular width is equal with vane thickness, two side C4 with D4 of hollow ring are parallel circular planes, E4 is the cylinder of central shaft by O4, be positioned on the diagonal of housing, its external diameter is equal with the external diameter of blade cylinder C1, and be greater than the external diameter of housing sphere F4, parallel C4 and D4 two plane and of annulus joins the plane C3 in oily cone flank face and another respective planes of joining oily cone flank face is fitted, whole housing is symmetrical about billiard table center O4,
Cushion block is one section of annulus, total identical four, wherein an outside A5 is the cylinder that radius is equal with housing diagonal angle annulus E4 external diameter, interior survey B5 is the sphere that radius equals Fig. 4 rotor line segment O2M2, its upper and lower thickness four-bladed vane width K2M2 orthogonal with rotor is equal, and two waist C5 and D5 are round table surface, and the diameter of this round table surface upper bottom surface and bottom surface is straight line P1Q1 and M1N1 respectively, M1P1 is then its side bus, and cushion block shape is axisymmetric.
The advantage that the present invention has is:
1) all sealings place are face sealing;
2) discharge capacity is large, and pressure is high, and efficiency is high;
3) specific power is large;
4) compact structure, processing is relatively easy;
5) cost is lower, and the life-span is long.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is blade of the present invention and Stamping Steel Ribbon schematic shapes;
Fig. 2 is the left view of Fig. 1;
Fig. 3 be Fig. 1 S to T to schematic diagram;
Fig. 4 is rotor shapes schematic diagram of the present invention;
Fig. 5 is the W-W generalized section of Fig. 4;
Fig. 6 of the present inventionly joins oily cone-shaped schematic diagram;
Fig. 7 is that the P of Fig. 6 is to schematic diagram
Fig. 8 is the plan view of housing of the present invention;
Fig. 9 is the plan view of housing of the present invention;
Figure 10 is the M-M generalized section of Fig. 9;
Figure 11 is overall structure schematic diagram of the present invention;
Figure 12 is that the K of Figure 11 is to schematic diagram;
Figure 13 is the N-N generalized section of Figure 11;
Figure 14 is running principle schematic diagram of the present invention;
Figure 15 is the U-U generalized section of Figure 11;
Figure 16 is working procedure principle schematic of the present invention;
Figure 17 is the V-V generalized section of Figure 14;
Figure 18 is working procedure principle schematic of the present invention.
In figure: 1. housing, 2. rotor, 3. blade, 4. Stamping Steel Ribbon, 5. join oil cone, 6. cushion block.
Embodiment
Structure of the present invention as shown in figure 14, rotor 2 is positioned at center, housing 1 is positioned at outside, join oil cone 5 and be positioned at rotor 2 two ends open circles table top, blade 3 is placed in the hollow ring (guiding groove) at housing 1 diagonal angle, also be positioned at the groove of rotor 2 simultaneously, and with rotor 2 at an angle, a plane of blade 3 with join the frustum cone side that oil bores 5 and fit, Stamping Steel Ribbon 4 is between rotor 1 and blade 3, its plane side and rotor 2 are fitted, then fit with the round table surface E1 of blade 3 in round table surface side, cushion block 6 is positioned at the hollow ring at housing 1 diagonal angle, just in time fill up by housing 1, blade 3, the vacancy that rotor 2 and Stamping Steel Ribbon 4 are formed.
Fig. 1, Fig. 2 and Figure 3 shows that the shape of blade 3 of the present invention and Stamping Steel Ribbon 4.Blade 3 is quadrant shape or approximate quadrant shape, total identical four, and wherein a slice blade 3 is enclosed by two plane A1, B1 and cylinder C1, sphere D1 and two round table surface E1, J1 and forms; Wherein, the cylinder that C1 is center is centre of sphere O1, radius is identical with the radius of the cylinder E4 of the hollow ring of housing 1, D1 is the centre of sphere is the sphere that O1 radius is identical with Fig. 5 rotor 2 billiard table C2 radius, E1 and J1 is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and straight line M1N1, M1R1 and N1S1 is respectively then its side bus; Two plane A1 are parallel with B1; The distance of two parallel plane A1 and B1 is the thickness of blade 3, and blade 3 thickness is equal with the hollow ring width of Fig. 9 housing 1.
Stamping Steel Ribbon 4 has identical eight, wherein an E1 side is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and P1Q1 respectively, P1R1 and N1S1 is then its side bus, K1 side is plane, cross the axis (as shown in Figure 1) of centre of sphere O1 and this plane parallel, its perpendicular distance is the half of the orthogonal four-bladed vane thickness of slab of Fig. 5 rotor 2, G1 is the centre of sphere is the sphere that O1 radius is equal with Fig. 5 rotor 2 center billiard table C2 radius, F1 is the centre of sphere is the sphere that O1 radius equals Fig. 4 rotor 2 line segment O2M2, H1 with I1 two faces are parallel planes, its half long OP1 and Fig. 9 housing 1 cylinder F4 radius is equal, R1 and S1 is two gradients with face D4 in Fig. 9 for the equal inclined-plane of the gradient of B4, the width (i.e. the distance of plane H1 and I1) of Stamping Steel Ribbon 4 is equal with blade 3 thickness, blade 3 and Stamping Steel Ribbon 4 are axisymmetric.
Fig. 4 and the shape that Figure 5 shows that rotor 2 of the present invention.It is the parallel dolioform billiard table cutting out two spherical crowns in two in the middle of rotor 2, an orthogonal four-bladed vane is inserted as symmetry in the middle of billiard table, A2 with B2 is parallel disk, the sphere of C2 and D2 to be the centre of sphere be O2, I2 and J2 is orthogonal two planes, by the whole figure of Fig. 1, namely in a blade 3 and two the Stamping Steel Ribbon 4 arranged orthogonal groove between I2 and J2, just in time completely closely sealed, E2 with F2 is that central shaft crosses the O2 radius cylinder identical with housing 1 cylinder F4 radius, G2 with H2 is two identical hollow round table surface, one of them hollow round table upper and lower two ends, are disk B2 and the disc that is diameter with straight line K2L2 respectively, the length of straigh line of K2M2 is the width of rotor 2, whole rotor 2 is not only symmetrical about billiard table center O2, also be axisymmetric.
Fig. 6 and Figure 7 shows that of the present invention join oil cone 5 shape.Joining oil cone 5 is round platforms, total identical two, the radius of upper and lower two end A3 and B3 of one of them round platform is equal with the radius at rotor 2 hollow round table side G2 and H2 upper and lower two ends respectively, highly also equal with the height of rotor 2 hollow round table side G2 and H2, the plane C3 that one side is cut mutually by a plane, this plane can to bore the bus of 5 frustum cone sides parallel with joining oil, also can not to bore the bus of 5 frustum cone sides parallel with joining oil, the width of plane C3 the widest position is not more than the orthogonal four-bladed vane thickness of slab of rotor 2, the spatial position of plane C3 is to determine as follows: ensure that assembling back plane C3 and corresponding housing 1 annulus parallel plane C4 and D4 fits, the round table surface of some D3 to E3 is oil-feed face, the position of some E3 is the position of rotor 2 flat board when rotor 2 forwards position shown in Figure 16 between Q3 and Q4 of chamber by Q4 side plane, the round table surface of some F3 to G3 is oil extraction face, the position of some G3 is the position of rotor 2 flat board when rotor 2 forwards position shown in Figure 16 between Q4 and Q5 of chamber by Q4 side plane.
Fig. 8, Fig. 9 and Figure 10 shows that the shape of housing 1 of the present invention.Housing 1 is the parallel dolioform sphere cutting out two spherical crowns in two, thickness is equal with the width K2M2 of rotor 2, A4 with B4 is the parallel disk that two radiuses are equal, F4 is cylinder, its central shaft crosses O4, radius is equal with the radius of rotor about 2 outside E2 and F2 cylinder, the diagonal angle of housing 1 cylinder is a hollow ring, annular width is equal with blade 3 thickness, two side C4 with D4 of hollow ring are parallel circular planes, E4 is the cylinder of central shaft by O4, be positioned on the diagonal of housing 1, its external diameter is equal with the external diameter of blade 3 cylinder C1, and be greater than the external diameter of housing 1 sphere F4, the spatial position of C4 and D4 two plane that annulus is parallel is with following and determine: ensure to assemble rear C4 and D4 two plane and join oily bore 5 sides plane C3 and another join oily respective planes of boring 5 sides and fit.Whole housing 1 is symmetrical about billiard table center O4.
6 shapes being depicted as cushion block 6 of the present invention in Figure 13.Cushion block 6 is one section of annulus, total identical four, wherein an outside A5 is the cylinder that radius is equal with housing 1 diagonal angle annulus E4 external diameter, interior survey B5 is the sphere that radius equals Fig. 4 rotor 2 line segment O2M2, its upper and lower thickness four-bladed vane width K2M2 orthogonal with rotor 2 is equal, and two waist C5 and D5 are round table surface, and the diameter of this round table surface upper bottom surface and bottom surface is straight line P1Q1 and M1N1 (as shown in Figure 1) respectively, M1P1 is then its side bus, and cushion block 6 shape is axisymmetric.
Operation working principle of the present invention is as follows:
As shown in figure 17, in one end of vane pump, rotor 2, blade 3, Stamping Steel Ribbon 4, join oil cone 5 and housing 1 and oil pocket is divided into three separately independently Seal cage Q1, Q2 and Q3.
When rotor 2 turns clockwise from Figure 11 or Figure 15 position, chamber Q2 starts oil suction, and Q3 is oil sucting cavity, and Q1 is oil-discharging cavity, as Figure 16.Rotor 2 continues to rotate clockwise, and oil sucting cavity Q2 and Q3 constantly expands, and oil-discharging cavity Q1 constantly reduces.Figure 12 be the K of Figure 11 to schematic diagram, Figure 13 is the N-N generalized section of Figure 11.
When rotor 2 forwards Figure 14 or Figure 17 position to, oil sucting cavity Q3 reaches maximum.At this moment, oil sucting cavity Q2 and Q3 and oil-discharging cavity Q1 still keeps isolation.When rotor 2 continues to rotate, chamber Q3 starts oil extraction, and at this moment chamber Q2 is still oil sucting cavity, and chamber Q1 is still oil-discharging cavity, as Figure 18.
When rotor 2 forwards Figure 11 or Figure 15 position to, chamber Q1 oil drains, and at this moment chamber Q2 is still oil sucting cavity, and chamber Q3 is still oil-discharging cavity.When rotor 2 continues to rotate, new oil sucting cavity starts oil suction, and chamber Q2 is also in oil suction, and chamber Q3 is also in oil extraction.
When rotor 2 forwards again Figure 17 position to, oil sucting cavity Q2 reaches maximum, then starts oil extraction, 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 one end.
Above-described embodiment is used for explaining and the present invention is described, instead of limits this aspect, and in the protection domain of spirit of the present invention and claim, any amendment make this aspect and change, all fall into protection scope of the present invention.
Claims (1)
1.
oneplant vane pump, it is characterized in that, comprise housing (1), rotor (2), blade (3), Stamping Steel Ribbon (4), join oil cone (5) and cushion block (6), rotor (2) is positioned at housing (1) center, housing (1) is positioned at outside, join oil cone (5) and be positioned at rotor (2) two ends open circles table top, blade (3) is placed in the hollow ring at housing (1) diagonal angle, also be positioned at the groove of rotor (2) simultaneously, and with rotor (2) at an angle, a plane of blade (3) fits with the frustum cone side of joining oil and bore (5), Stamping Steel Ribbon (4) is positioned between rotor (2) and blade (3), its plane side and rotor (2) are fitted, then fit with the round table surface E1 of blade (3) in round table surface side, cushion block (6) is positioned at the hollow ring at housing (1) diagonal angle, just in time fill up by housing (1), blade (3), the vacancy that rotor (2) and Stamping Steel Ribbon (4) are formed,
Described blade (3) is quadrant shape, total identical four, and wherein a slice blade (3) is enclosed by two plane A1, B1 and cylinder C1, sphere D1 and two round table surface E1, J1 and forms; Wherein, the cylinder that C1 is center is centre of sphere O1, radius is identical with the radius of the cylinder E4 of the hollow ring of housing (1), D1 is the centre of sphere is the sphere that O1 radius is identical with rotor (2) billiard table C2 radius, E1 and J1 is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and straight line M1N1, M1R1 and N1S1 is respectively then its side bus; R1 is the intersection point of plane A1, sphere D1 and round table surface E1, and S1 is the intersection point of plane A1, sphere D1 and round table surface J1, and M1 is the intersection point of plane A1, cylinder C1 and round table surface E1, and N1 is the intersection point of plane A1, cylinder C1 and round table surface J1; Two plane A1 are parallel with B1; The distance of two parallel plane A1 and B1 is the thickness of blade (3), and blade (3) thickness is equal with the hollow ring width of housing (1);
Eight that described Stamping Steel Ribbon (4) is total identical, wherein an E1 side is round table surface, the diameter of its upper bottom surface and bottom surface is straight line R1S1 and P1Q1 respectively, P1R1 and N1S1 is then its side bus, P1 is the intersection point of the side bus M1R1 of sphere F1 and round table surface E1, and Q1 is the intersection point of the side bus N1S1 of sphere F1 and round table surface J1; K1 side is plane, cross axis and this plane parallel of centre of sphere O1, its perpendicular distance is the half of the orthogonal four-bladed vane thickness of slab of rotor (2), G1 is the centre of sphere is the sphere that O1 radius is equal with rotor (2) center billiard table C2 radius, F1 is the centre of sphere is the sphere that O1 radius equals rotor (2) line segment O2M2, H1 with I1 two faces are parallel planes, its half long OP1 is equal with housing (1) cylinder F4 radius, R1 and S1 is two gradients with face D4 for the equal inclined-plane of the gradient of B4, and the width of Stamping Steel Ribbon (4) is equal with blade (3) thickness; Blade (3) and Stamping Steel Ribbon (4) are axisymmetric;
It is the parallel dolioform billiard table cutting out two spherical crowns in two in the middle of described rotor (2), an orthogonal four-bladed vane is inserted as symmetry in the middle of billiard table, A2 with B2 is parallel disk, the sphere of C2 and D2 to be the centre of sphere be O2, I2 and J2 is orthogonal two planes, in a blade (3) and the groove of two Stamping Steel Ribbon (4) arranged orthogonal between I2 and J2, just in time completely closely sealed, E2 with F2 is that central shaft crosses the centre of sphere O2 radius cylinder identical with housing (1) cylinder F4 radius, G2 with H2 is two identical hollow round table sides, one of them hollow round table upper and lower two ends, are disk B2 and the disc that is diameter with straight line K2L2 respectively, the length of straigh line of K2M2 is the width of rotor (2), K2 is the intersection point of the orthographic projection of sphere E2 and the orthographic projection of hollow round table side H2, M2 is the intersection point of the orthographic projection of sphere E2 and the orthographic projection of hollow round table side G2, L2 is the intersection point of the orthographic projection of sphere F2 and the orthographic projection of hollow round table side H2, whole rotor (2) is not only symmetrical about centre of sphere O2, is also axisymmetric,
Described join oil cone (5) be a round platform, total identical two, the radius of upper and lower two end A3 and B3 of one of them round platform is equal with the radius at G2 and H2 upper and lower two ends, rotor (2) hollow round table side respectively, highly also equal with the height of rotor (2) hollow round table side G2 and H2, the plane C3 that one side is cut mutually by a plane, the width of plane C3 the widest position is not more than the orthogonal four-bladed vane thickness of slab of rotor (2), and plane C3 and corresponding housing (1) annulus parallel plane C4 and D4 fits;
Described housing (1) is the parallel dolioform sphere cutting out two spherical crowns in two, thickness is equal with the width K2M2 of rotor (2), A4 with B4 is the parallel disk that two radiuses are equal, F4 is cylinder, its central shaft crosses centre of sphere O4, radius is equal with the radius of outside, rotor (2) left and right E2 and F2 cylinder, the diagonal angle of housing (1) cylinder is a hollow ring, annular width is equal with blade (3) thickness, two side C4 with D4 of hollow ring are parallel circular planes, E4 is the cylinder of central shaft by centre of sphere O4, be positioned on the diagonal of housing (1), its external diameter is equal with the external diameter of blade (3) cylinder C1, and be greater than the external diameter of housing (1) sphere F4, parallel C4 and D4 two plane and of annulus is joined oil and bore the plane C3 of (5) side and another is joined oily respective planes of boring (5) side and fits, whole housing (1) is symmetrical about centre of sphere O4,
Described centre of sphere O1, centre of sphere O2, centre of sphere O4 all with housing (1) center superposition;
Four that cushion block (6) is total identical, described cushion block (6) is one section of annulus, its outer side surface A5 is the cylinder that radius is equal with the radius of the cylinder E4 outer side surface of housing (1) hollow ring, inner side surface B5 is the sphere that radius equals rotor (2) line segment O2M2, its upper and lower thickness four-bladed vane width K2M2 orthogonal with rotor (2) is equal, two waist C5 and D5 are round table surface, the diameter of this round table surface upper bottom surface and bottom surface is straight line P1Q1 and M1N1 respectively, M1P1 is then its side bus, and cushion block (6) shape is axisymmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688818.2A CN103671097B (en) | 2013-12-16 | 2013-12-16 | A kind of vane pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310688818.2A CN103671097B (en) | 2013-12-16 | 2013-12-16 | A kind of vane pump |
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| Publication Number | Publication Date |
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| CN103671097A CN103671097A (en) | 2014-03-26 |
| CN103671097B true CN103671097B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310688818.2A Expired - Fee Related CN103671097B (en) | 2013-12-16 | 2013-12-16 | A kind of vane pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109538467B (en) * | 2018-09-28 | 2020-10-27 | 浙江大学 | High-performance variable vane pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1576587A (en) * | 2003-07-25 | 2005-02-09 | 尤尼西亚Jkc控制系统株式会社 | Variable displacement 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 |
| CN101418793A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPO580397A0 (en) * | 1997-03-24 | 1997-04-17 | Baker Medical Research Institute | Positive displacement pump |
-
2013
- 2013-12-16 CN CN201310688818.2A patent/CN103671097B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1576587A (en) * | 2003-07-25 | 2005-02-09 | 尤尼西亚Jkc控制系统株式会社 | Variable displacement 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 |
| CN101418793A (en) * | 2008-12-11 | 2009-04-29 | 宁波华液机器制造有限公司 | High performance hydraulic pump |
| CN102562581A (en) * | 2011-12-30 | 2012-07-11 | 浙江大学 | Spherical vane type hydraulic pump |
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