CN101368566A - Cylindrical compressor or vacuum pump - Google Patents
Cylindrical compressor or vacuum pump Download PDFInfo
- Publication number
- CN101368566A CN101368566A CNA2008100633456A CN200810063345A CN101368566A CN 101368566 A CN101368566 A CN 101368566A CN A2008100633456 A CNA2008100633456 A CN A2008100633456A CN 200810063345 A CN200810063345 A CN 200810063345A CN 101368566 A CN101368566 A CN 101368566A
- Authority
- CN
- China
- Prior art keywords
- rotor
- radius
- cylinder
- housing
- sphere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
Disclosed is a cylindrical compressor or a vacuum pump which comprises a shell body, a rotor and the same two vanes, the same four seal strips, the same two gas distribution cones and the same two cushion blocks; the rotor is arranged at the center of the vacuum pump; the shell body is arranged externally; the gas distribution cones are arranged in the hollow conical surfaces on both ends of the rotor; the vanes are arranged on both sides of the rotor, are arranged in the hollow circular rings on the opposite corners of the shell body and form certain angles with the rotor; the vanes are clung to the gas distribution cones ; the seal strips are arranged between the rotor and the vanes; the plane sides of the seal strips are clung to the rotor; the cylindrical surface sides are clung to the vanes; the cushion blocks are arranged in the hollow circular rings on the opposite corners of the shell body for filling the gaps formed by the vanes, the rotor and the seal strips. The cylindrical compressor or the vacuum pump has the advantages that 1) all the sealed positions are plane seals. 2) The discharge capacity is great; the pressure is high and the efficiency is high. 3) The specific power is great. 4) The structure is compact and the machining is relatively easy. 5) The production cost is lower.
Description
Technical field
The present invention relates to a kind of compressor or vacuum pump, relate in particular to a kind of vane compressor or vacuum pump.
Background technique
Existing vane compressor or vacuum pump structure are a rotor eccentricity and place in the cylinder block, 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 block, volume-variation produces pressure during rotation.Blade quantity is two or multi-disc.This form compressor or vacuum pump are owing to be by the sealing of Line of contact between the blade cylinder block, so sealability is relatively poor, and delivery pressure is lower, produce very big friction when adding rotation between blade and rotor and cylinder block, cause compressor or vacuum 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
Technical problem to be solved by this invention be overcome the above-mentioned deficiency of prior art and provide a kind of and can realize big discharge capacity, all sealing part is face seal and nonabradable cylindrical compressor or vacuum pump.
The present invention solves the problems of the technologies described above the technological scheme that is adopted:
Cylindrical compressor or vacuum pump comprise housing, rotor, two identical blades, four identical Stamping Steel Ribbons, identical two distributions awls and two identical cushion blocks; Rotor is positioned at the center, housing is positioned at the outside, and the distribution awl is positioned at two ends of rotor conical hollow face, and blade is positioned at the both sides of rotor, and be placed in the housing diagonal angle hollow ring (guiding groove) in, with rotor at an angle, blade and distribution awl fits, Stamping Steel Ribbon is between rotor and blade, its plane one side and rotor are fitted, cylinder one side is then fitted with blade, cushion block 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.
Above-mentioned blade approximate half-circular, A1 is parallel plane with B1, width of blade equates with the hollow ring width of housing, C1 is that the center is O1 radius and the identical cylinder of housing cylinder E4 radius, D1 is that the centre of sphere is O1 radius and the identical sphere of rotor billiard table C2 radius, E1 is a cylinder, and the E1 cylinder is a central shaft with the symmetry axis of crossing the centre of sphere, is radius with O1K1.
The Stamping Steel Ribbon upside is the cylinder that a radius equates with blade cylinder E1 radius, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of Fig. 2 a rotor slab-thickness, G1 is that the centre of sphere is the sphere that the O1 radius equates with rotor center billiard table C2 radius, F1 is the centre of sphere equals rotor line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with Fig. 4 b housing cylinder F4 radius, width equates with width of blade, R1 and the S1 inclined-plane that to be two gradients equate for the gradient of B4 with face D4;
Blade and Stamping Steel Ribbon are axisymmetric;
It in the middle of the rotor the parallel dolioform billiard table that cuts out two spherical crowns in two, billiard table is middle as inserting one flat plate, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, I2 is parallel plane with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing cylinder F4 radius with F2, G2 is two identical cloudy frustum cone sides with H2, up and down two ends, were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries;
The distribution awl is a round platform, round platform up and down two end A3 and B3 radius respectively with the cloudy frustum cone side G2 of rotor and H2 up and down the radius at two ends equate, highly also the height with cloudy frustum cone side G2 of rotor and H2 equates, the plane C3 that one side is cut mutually by a plane, this plane can to bore the bus of frustum cone side parallel with distribution, can be not parallel with the bus of distribution awl frustum cone side yet, the spatial position of plane C3 is with following and decide: assemble back plane C3 and corresponding housing annulus parallel plane C4 and D4 and fit, the conical surface of point D3 to E3 is an air inlet face, the conical surface of point D3 to E3 is 90 degree, the conical surface of point F3 to G3 is a deflation area, the conical surface of F3 to G3 is less than 90 degree, and its angular dimension is decided on exhaust pressure;
Housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, the radius of outside E2 and F2 cylinder equates about radius and rotor, the diagonal angle of housing cylinder is a hollow ring, the annulus width equates with vane thickness, C4 is parallel disk with D4, E4 is that the center is the cylinder of O4, its external diameter equates with the outer warp of blade cylinder C1, and greater than the external diameter of housing cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble the respective planes applying of plane C3 and another distribution cone flank face of back C4 and D4 two planes and a distribution cone flank face, whole housing is about billiard table center O 4 symmetries;
Cushion block is one section annulus, outside A5 is the cylinder that radius equates with housing diagonal angle annulus E4 external diameter, inboard B5 is the sphere that radius equates with housing sphere F4 radius, thickness equates with the rotor slab-thickness, two waist C5 and D5 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1, and cushion block is shaped as axisymmetric.
Further, the described distribution plane C3 that bores a side also can omit.
Further, the sphere G1 of described Stamping Steel Ribbon also can be the cylinder that radius is OL, and the appropriate section of rotor sphere C2 of Pei Heing and D2 also is the equal cylinder of radius with it.
Further, also can lay a circle ball between described blade cylinder C1 and housing cylinder E4.
Further, described air inlet face and deflation area also can not be placed on the distribution awl, and are placed on the housing.
Compared with prior art, the invention has the advantages that:
1) all sealing part are face seal.
2) discharge capacity is big, pressure height, efficient height.
3) specific power is big.
4) compact structure, processing is relatively easy.
5) cost of production is lower.
6) not easy to wear, the life-span is long.
Description of drawings
Fig. 1 a and Fig. 1 b are the blade and the Stamping Steel Ribbon shape schematic representation of the embodiment of the invention;
Fig. 2 a is the rotor shapes schematic representation of the embodiment of the invention;
Fig. 2 b is the W-W generalized section of Fig. 2 a;
Fig. 3 a and Fig. 3 b are the distribution cone-shaped schematic representation of the embodiment of the invention;
Fig. 3 b is that the P of Fig. 3 a is to schematic representation
Fig. 4 a, Fig. 4 b are the hull shape schematic representation of the embodiment of the invention;
Fig. 4 c is the M-M generalized section of Fig. 4 b;
Fig. 5 a is the overall structure schematic representation of the embodiment of the invention;
Fig. 5 b is that the K of Fig. 5 a is to schematic representation;
Fig. 5 c is the N-N generalized section of Fig. 5 a;
Fig. 6 is the structural representation of the embodiment of the invention;
Fig. 7 a is the U-U generalized section of Fig. 5 a;
Fig. 7 c is the V-V generalized section of Fig. 6;
Fig. 7 b and 7d are working procedure principle schematic of the present invention;
Among the figure: 1. housing, 2. rotor, 3. blade, 4. Stamping Steel Ribbon, 5. distribution awl, 6. cushion block.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Cylindrical compressor or vacuum pump structure are as shown in Figure 6, rotor 2 is positioned at the center, housing 1 is positioned at the outside, distribution awl 5 is positioned at rotor 2 two ends conical hollow faces, blade 3 is positioned at the both sides of rotor 2, and be placed in housing 1 diagonal angle hollow ring (guiding groove) in, with rotor 2 at an angle, blade 3 fits with distribution awl 5, and Stamping Steel Ribbon 4 is between rotor 2 and blade 3, and its plane one side and rotor 2 are fitted, cylinder one side is then fitted with blade 3, cushion block 6 be positioned at housing 1 diagonal angle hollow ring, just in time fill up by blade 3 vacancy that rotor 2 and Stamping Steel Ribbon 4 forms.
Fig. 1 a and Fig. 1 b are depicted as the shape of blade 3 of the present invention and Stamping Steel Ribbon 4.
Stamping Steel Ribbon 4 upsides are cylinders that a radius equates with blade 3 cylinder E1 radiuses, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of rotor 2 slab-thicknesses, G1 is that the centre of sphere is the sphere that the O1 radius equates with rotor 2 center billiard table C2 radiuses, F1 is the centre of sphere equals Fig. 2 a rotor 2 line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with Fig. 4 b housing 1 cylinder F4 radius, width equates with blade 3 width, R1 and S1 be two gradients with Fig. 4 b in the inclined-plane that equates for the gradient of B4 of face D4.
Fig. 2 a and Fig. 2 b are depicted as the shape of rotor 2 of the present invention.It in the middle of the rotor 2 the parallel dolioform billiard table that cuts out two spherical crowns in two, billiard table is middle as inserting one flat plate, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, I2 is parallel plate level with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing 1 sphere F4 radius with F2, G2 is two identical cloudy frustum cone sides with H2, up and down two ends, were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor 2 also is an axisymmetric not only about billiard table center O 2 symmetries.
Fig. 3 a and Fig. 3 b are depicted as the shape of distribution awl 5 of the present invention.Distribution awl 5 is round platforms, have identical two, one of them round platform up and down two end A3 and B3 radius respectively with rotor 2 cloudy frustum cone side G2 and H2 up and down the radius at two ends equate, highly also the height with rotor 2 cloudy frustum cone side G2 and H2 equates, 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 distribution, can be not yet to bore the bus of 5 frustum cone sides parallel with distribution, the spatial position of plane C3 is with following and decide: guarantee to assemble back plane C3 and corresponding housing 1 annulus parallel plane C4 and D4 and fit, the conical surface of point D3 to E3 is an air inlet face, the conical surface of point D3 to E3 is 90 degree, the conical surface of point D3 to G3 is a deflation area, the conical surface of F3 to G3 is less than 90 degree, and its angular dimension is decided on exhaust pressure.
Fig. 4 a, Fig. 4 b and Fig. 4 c are depicted as the shape of housing 1 of the present invention.Housing 1 is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor 2, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, radius equates with the radius of rotor about 2 outside E2 and F2 cylinder, the diagonal angle of housing 1 cylinder is a hollow ring, the annulus width equates with blade 3 thickness, C4 is parallel disk with D4, E4 is the cylinder of central shaft by O4, its external diameter equates with the outer warp of blade 3 cylinder C1, and greater than the external diameter of housing 1 cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble the respective planes applying that plane C3 and another distribution cone flank face of 5 sides are bored in back C4 and D4 two planes and a distribution.Whole housing 1 is about billiard table center O 4 symmetries.
The shape of cushion block 6 is seen Fig. 5 c, there are identical two, its outside A5 is the cylinder that radius equates with housing 1 diagonal angle annulus E4 external diameter, inboard B5 is the sphere that radius equates with housing 1 sphere F4 radius, thickness equates that with rotor 2 slab-thicknesses two waist C5 and D5 are the cylinders that radius equates with the radius of blade 3 bottom surface cylinder E1.Cushion block 6 is shaped as axisymmetric.
Operation working principle of the present invention is as follows:
As Fig. 7 c, at an end of cylindrical compressor or vacuum pump, rotor 2, blade 3, Stamping Steel Ribbon 4, distribution awl 5 and housing 1 are divided into three independently Seal cage Q1, Q2 and Q3 separately with air cavity.When rotor 2 when Fig. 5 a or 7a position turn clockwise, chamber Q2 begins air-breathing, Q3 is an air aspiration cavity, Q1 is a compression chamber, as Fig. 7 b.Rotor 2 continues rotation clockwise, and air aspiration cavity Q2 and Q3 constantly enlarge, and compression chamber Q1 constantly dwindles.When forwarding Fig. 6 or Fig. 7 c position to, it is maximum that air aspiration cavity Q3 reaches.At this moment, air aspiration cavity Q2 and Q3 and compression chamber Q1 still keep isolating.When rotor 2 continued rotation, chamber Q3 began compression, and at this moment chamber Q2 still is an air aspiration cavity, and chamber Q1 still is a compression chamber.When rotor 2 continued to rotate to Fig. 7 d position, compression chamber Q1 began exhaust.When rotor 2 forwarded Fig. 5 a or 7a position to, chamber Q1 gas drained, and at this moment chamber Q2 still is an air aspiration cavity, and chamber Q3 still is a compression chamber.When rotor 2 continuation rotations, new air aspiration cavity begins air-breathing, and chamber Q2 is also air-breathing, and chamber Q3 is also in compression.When rotor 2 forwarded Fig. 7 c position again to, it is maximum that air aspiration cavity Q2 reaches, and begins compression then, and at this moment, new air aspiration cavity is still air-breathing, and chamber Q3 is still in compression.So go round and begin again.At the other end of cylindrical compressor or vacuum pump, situation is also identical with this end of cc.
Claims (10)
1. cylindrical compressor or vacuum pump is characterized in that: comprise housing, rotor, two identical blades, four identical Stamping Steel Ribbons, identical two distributions awls and two identical cushion blocks; Rotor is positioned at the center, housing is positioned at the outside, and the distribution awl is positioned at two ends of rotor conical hollow face, and blade is positioned at the both sides of rotor, and be placed in the housing diagonal angle hollow ring in, with rotor at an angle, blade and distribution awl fits, Stamping Steel Ribbon is between rotor and blade, its plane one side and rotor are fitted, cylinder one side is then fitted with blade, cushion block 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.
2. cylindrical compressor as claimed in claim 1 or vacuum pump, it is characterized in that: described blade approximate half-circular, A1 is parallel plane with B1, width of blade equates with the hollow ring width of housing, C1 is that the center is O1 radius and the identical cylinder of housing cylinder E4 radius, and D1 is that the centre of sphere is O1 radius and the identical sphere of rotor billiard table C2 radius, and E1 is a cylinder, the E1 cylinder is a central shaft with the symmetry axis of crossing the centre of sphere, is radius with O1K1;
Described Stamping Steel Ribbon upside is the cylinder that a radius equates with blade cylinder E1 radius, downside is the plane, the perpendicular distance on centre of sphere O1 and this plane is half of Fig. 2 a rotor slab-thickness, G1 is that the centre of sphere is the sphere that the O1 radius equates with rotor center billiard table C2 radius, F1 is the centre of sphere equals rotor line segment O2M2 for the O1 radius a sphere, two faces of H1 and I1 are parallel planes, its half long OP1 equates with Fig. 4 b housing cylinder F4 radius, width equates with width of blade, R1 and the S1 inclined-plane that to be two gradients equate for the gradient of B4 with face D4;
Described blade and Stamping Steel Ribbon are axisymmetric;
It in the middle of the described rotor the parallel dolioform billiard table that cuts out two spherical crowns in two, billiard table is middle as inserting one flat plate, A2 is parallel disk with B2, C2 and D2 are that the centre of sphere is the sphere of O2, I2 is parallel plate level with J2, E2 is that central shaft is crossed O2 radius and the identical cylinder of housing sphere F4 radius with F2, G2 is two identical cloudy frustum cone sides with H2, up and down two ends, were respectively disk B2 and were the disc of diameter with K2L2 one of them cloudy round platform, whole rotor also is an axisymmetric not only about billiard table center O 2 symmetries;
Described distribution awl is a round platform, round platform up and down two end A3 and B3 radius respectively with the cloudy frustum cone side G2 of rotor and H2 up and down the radius at two ends equate, highly also the height with cloudy frustum cone side G2 of rotor and H2 equates, the plane C3 that one side is cut mutually by a plane, this plane can to bore the bus of frustum cone side parallel with distribution, can be not parallel with the bus of distribution awl frustum cone side yet, the spatial position of plane C3 is with following and decide: assemble back plane C3 and corresponding housing annulus parallel plane C4 and D4 and fit, the conical surface of point D3 to E3 is an air inlet face, the conical surface of point D3 to E3 is 90 degree, the conical surface of point F3 to G3 is a deflation area, the conical surface of F3 to G3 is less than 90 degree, and its angular dimension is decided on exhaust pressure;
Described housing is the parallel dolioform sphere that cuts out two spherical crowns in two, thickness equates with the width K2M2 of rotor, A4 is parallel disk with B4, F4 is a cylinder, its central shaft is crossed O4, the radius of outside E2 and F2 cylinder equates about radius and rotor, the diagonal angle of housing cylinder is a hollow ring, the annulus width equates with vane thickness, C4 is parallel disk with D4, E4 is that the center is the cylinder of O4, its external diameter equates with the outer warp of blade cylinder C1, and greater than the external diameter of housing cylinder F4, the spatial position on C4 that annulus is parallel and D4 two planes is with following and decide: guarantee to assemble the respective planes applying of plane C3 and another distribution cone flank face of back C4 and D4 two planes and a distribution cone flank face, whole housing is about billiard table center O 4 symmetries;
Described cushion block is one section annulus, outside A5 is the cylinder that radius equates with housing diagonal angle annulus E4 external diameter, inboard B5 is the sphere that radius equates with housing sphere F4 radius, thickness equates with the rotor slab-thickness, two waist C5 and D5 are the cylinders that radius equates with the radius of blade bottom surface cylinder E1, and cushion block is shaped as axisymmetric.
3. cylindrical compressor as claimed in claim 2 or vacuum pump is characterized in that: described distribution awl omits the plane C3 of a side.
4. as claim 2 or 3 described cylindrical compressor or vacuum pumps, it is characterized in that: the sphere G1 of described Stamping Steel Ribbon is that radius is the cylinder of OL, and the appropriate section of rotor sphere C2 of Pei Heing and D2 is the cylinder that radius equates with it.
5. as claim 2 or 3 described cylindrical compressor or vacuum pumps, it is characterized in that: lay a circle ball between described blade cylinder C1 and housing cylinder E4.
6. cylindrical compressor as claimed in claim 4 or vacuum pump is characterized in that: lay a circle ball between described blade cylinder C1 and housing cylinder E4.
7. as claim 2 or 3 described cylindrical compressor or vacuum pumps, it is characterized in that: described air inlet face and deflation area are placed on the housing.
8. cylindrical compressor as claimed in claim 4 or vacuum pump is characterized in that: described air inlet face and deflation area are placed on the housing.
9. cylindrical compressor as claimed in claim 5 or vacuum pump is characterized in that: described air inlet face and deflation area are placed on the housing.
10. cylindrical compressor as claimed in claim 6 or vacuum pump is characterized in that: described air inlet face and deflation area are placed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100633456A CN101368566A (en) | 2008-08-08 | 2008-08-08 | Cylindrical compressor or vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100633456A CN101368566A (en) | 2008-08-08 | 2008-08-08 | Cylindrical compressor or vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101368566A true CN101368566A (en) | 2009-02-18 |
Family
ID=40412532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100633456A Pending CN101368566A (en) | 2008-08-08 | 2008-08-08 | Cylindrical compressor or vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101368566A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536803A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102536816A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Spherical blade compressor |
| CN102536817A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Cylindrical vane type compressor |
| CN102852791A (en) * | 2011-12-30 | 2013-01-02 | 浙江大学 | Housing gas distribution-type cylindrical vane compressor |
| CN102959246A (en) * | 2011-01-10 | 2013-03-06 | 曼诺梅卡公司 | Compressor with low friction sealing |
| CN103671112A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type compressor |
-
2008
- 2008-08-08 CN CNA2008100633456A patent/CN101368566A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102959246A (en) * | 2011-01-10 | 2013-03-06 | 曼诺梅卡公司 | Compressor with low friction sealing |
| CN102959246B (en) * | 2011-01-10 | 2016-02-24 | 曼诺梅卡公司 | There is low friction sealed compressor |
| CN102536803A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102536816A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Spherical blade compressor |
| CN102536817A (en) * | 2011-12-30 | 2012-07-04 | 浙江大学 | Cylindrical vane type compressor |
| CN102852791A (en) * | 2011-12-30 | 2013-01-02 | 浙江大学 | Housing gas distribution-type cylindrical vane compressor |
| CN102536803B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Shell oil distribution type cylindrical blade hydraulic pump |
| CN102536816B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Spherical blade compressor |
| CN102536817B (en) * | 2011-12-30 | 2015-04-29 | 浙江大学 | Cylindrical vane type compressor |
| CN102852791B (en) * | 2011-12-30 | 2015-05-06 | 浙江大学 | Housing gas distribution-type cylindrical vane compressor |
| CN103671112A (en) * | 2013-12-16 | 2014-03-26 | 浙江大学 | Vane type compressor |
| CN103671112B (en) * | 2013-12-16 | 2016-03-30 | 浙江大学 | A kind of vane compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101338752A (en) | Compressor or vacuum pump | |
| CN101344085A (en) | Vane compressor or vacuum pump | |
| CN101368565A (en) | Cylindrical vane compressor or vacuum pump | |
| CN101368566A (en) | Cylindrical compressor or vacuum pump | |
| CN101418772A (en) | Spherical hydraulic motor | |
| CN101418793A (en) | High performance hydraulic pump | |
| CN103670902A (en) | Vane type hydraulic motor | |
| CN101418795A (en) | High performance hydraulic pump | |
| CN101418770A (en) | High performance hydraulic motor | |
| CN103671098B (en) | A kind of Multiple-blade compressor | |
| CN101418771A (en) | High performance hydraulic motor | |
| CN101418794A (en) | Spherical hydraulic pump | |
| CN101418773B (en) | High performance spherical hydraulic motor | |
| CN101418792A (en) | High performance spherical hydraulic pump | |
| CN102562581A (en) | Spherical vane type hydraulic pump | |
| CN201255111Y (en) | Column compressor or vacuum pump | |
| CN201255112Y (en) | Column vane compressor or vacuum pump | |
| CN201232635Y (en) | Compressor or vacuum pump | |
| CN103670901A (en) | Multiple-blade hydraulic motor | |
| CN102536816A (en) | Spherical blade compressor | |
| CN102536804A (en) | Cylindrical vane hydraulic pump | |
| CN103671095B (en) | A kind of Multiple-blade hydraulic pump | |
| CN103883356A (en) | Blade pneumatic motor | |
| CN102852791B (en) | Housing gas distribution-type cylindrical vane compressor | |
| CN102562580A (en) | Spherical vane hydraulic pump with oil discharging on shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO JINGDA MACHINE-ELECTRIC SCIENCE + TECHNOLOG Free format text: FORMER OWNER: ZHENG LIANGCAI Effective date: 20100927 Free format text: FORMER OWNER: CHEN XING |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315033 NINGBO JINGDA ELECTRICAL TECHNOLOGY CO., LTD., NO.191, CHANGYANG ROAD, HONGTANG TOWN, JIANGBEI DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE TO: 315033 |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20100927 Address after: 315033 Zhejiang province Ningbo Hongtang town Jiangbei District Changyang Road No. 191 Applicant after: Ningbo Jingda Machine-Electric & Technology Co., Ltd. Address before: 315033 Zhejiang province Ningbo Hongtang town Jiangbei District No. 191 Changyang Road, Ningbo Jingda Electromechanical Technology Co. Ltd. Applicant before: Zheng Liangcai Co-applicant before: Chen Xing |
|
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090218 |