CN102536816A - Spherical blade compressor - Google Patents

Spherical blade compressor Download PDF

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Publication number
CN102536816A
CN102536816A CN2011104539578A CN201110453957A CN102536816A CN 102536816 A CN102536816 A CN 102536816A CN 2011104539578 A CN2011104539578 A CN 2011104539578A CN 201110453957 A CN201110453957 A CN 201110453957A CN 102536816 A CN102536816 A CN 102536816A
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China
Prior art keywords
rotor
cylinder
sphere
radius
housing
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Granted
Application number
CN2011104539578A
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Chinese (zh)
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CN102536816B (en
Inventor
陈行
金波
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201110453957.8A priority Critical patent/CN102536816B/en
Publication of CN102536816A publication Critical patent/CN102536816A/en
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Publication of CN102536816B publication Critical patent/CN102536816B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a spherical blade compressor which comprises a shell, a rotor, two blades, two sealed strips, two gas distribution cones and two cushion blocks, wherein the rotor is positioned in a centre, the shell is positioned outside, and two gas distribution cones are respectively positioned in hollow conical surfaces of the two ends of the rotor; the two blades are respectively positioned on the two sides of the rotor, are arranged in diagonal hollow circular rings of a shell, and form an angle with the rotor; the tangent of the angle is the ratio of the height of the shell to the diameter of a bottom circle of the shell; one flat surface of each blade is mutually fit with a truncated cone side of each gas distribution cone, the sealed strips are positioned between the rotor and the blades, and one side of the flat surface is fitted with one flat surface of the rotor; one side of a cylindrical surface is fit with a cylindrical surface E1 of each blade; and the cushion blocks are positioned in the diagonal hollow circular rings of the shell so as to exactly fill in a gap formed by the blades, the rotor and the sealed strips. According to the invention, all seal sections are face seal, the spherical blade compressor provided by the invention has the advantages of high efficiency, large specific power, compact structure, relative easiness in processing, lower cost, and long service life.

Description

A kind of spherical vane compressor
Technical field
The present invention relates to a kind of compressor, relate in particular to a kind of spherical vane compressor.
Background technique
Existing vane compressor structure is a rotor eccentricity and places 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 is owing to be to lean on a Line of contact sealing 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 the compressor 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, a kind of spherical vane compressor is provided to existing technology.Discharge capacity of the present invention is big, and all sealing part is face seal, and not easy to wear.
In order to achieve the above object, the technological scheme of the present invention's employing is following: a kind of spherical vane compressor comprises: housing, rotor, two blades, two Stamping Steel Ribbons, two distributions awls and two cushion blocks; Rotor is positioned at the center; Housing is positioned at the outside; Two distributions awl lays respectively in the two ends of rotor conical hollow face, and two blades lay respectively at the both sides of rotor, and be placed in the housing diagonal angle hollow ring 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 frustum cone side of plane of blade and distribution awl fits; 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 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 E4 of the hollow ring of housing, and 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 the thickness of blade, and the thickness of blade equates with the hollow ring width of housing; The length of O1K1 is the height sum of the half the and Stamping Steel Ribbon of rotor thickness;
Said Stamping Steel Ribbon upside is that a center is the cylinder that centre of sphere O1, radius equate with the cylinder E1 radius of blade; Downside is a plane; The perpendicular distance of centre of sphere O1 and this time side plane is the half the of rotor thickness, and cylinder G1 is that the center is the cylinder that O1, radius equate with the cylinder P2 radius of rotor, and sphere F1 is that the centre of sphere is the sphere that O1, radius equate with the sphere F4 radius of housing; Plane H1 is parallel with I1, and the width of Stamping Steel Ribbon (being the distance of plane H1 and I1) equates with vane thickness; Blade and Stamping Steel Ribbon are axisymmetric;
Be one flat plate in the middle of the said rotor, dull and stereotyped middle two waist places are two identical director circle platforms, and one of them director circle platform bottom surface is face B2; Upper bottom surface is that the center is the identical cloudy cylndrical surface P2 of radius of O2 radius and the middle cylinder G1 of Stamping Steel Ribbon with dull and stereotyped connecting part, and director circle platform cone angle is identical with the cone angle of cloudy round platform H2, and the bottom surface A2 of two director circle platforms is parallel disk with B2; Two dull and stereotyped planar I 2 are parallel with J2; The sphere E2 and the F2 centre of sphere are the big sphere in the outside about O2, and G2 and H2 are two identical cloudy round platform part sides, and two ends were respectively disk B2 and were the disc of diameter with K2L2 about one of them cloudy round platform; The distance of two parallel plane I2 and J2 is the thickness of rotor; 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 distribution awl is a round platform; The radius of end face A3 and bottom surface B3 respectively with the cloudy round platform of rotor up and down the radius of two bottom surfaces equate that highly also the height with the cloudy round platform of rotor equates, the spatial position of two distributions awl is with following and decide: after assurance assembles; The corresponding parallel plane C4 of hollow ring or the D4's two distributions awl frustum cone side of housing fit respectively with accordingly; The conical surface of point D3 to E3 is an air inlet face, and some D3 was the horizontal axis in the center of circle and the intersection point of bottom surface B3, and the position of putting E3 is to be forwarded to shown in figure 16 during perpendicular to the paper position by paper shown in Figure 5 position when rotor; The intersection point of rotor plane, left side and end circle; The conical surface of point D3 to G3 is a deflation area, and the conical surface of D3 to G3 is less than 90 degree, and its angular dimension is looked exhaust pressure and decided.
Said housing is the dolioform sphere that two spherical crowns are fallen at parallel section of two; Thickness equates with the width K2M2 of rotor; End face A4 and bottom surface B4 are the parallel disks that two radiuses equate, sphere F4 is to be the centre of sphere with O4, the outside sphere that equates of the radius of sphere E2 and F2 greatly about radius and rotor; The diagonal angle of housing sphere is a hollow ring; Two side C4 of hollow ring are parallel planar circulars with D4, and the cylinder E4 of hollow ring is the cylinder of central shaft through O4, is positioned on the diagonal of housing; Whole housing is about billiard table center O 4 symmetries;
Said cushion block is one section annulus; Its outer side surface A5 is the cylinder that radius equates with the cylinder E4 external diameter of housing hollow ring; Inner side surface B5 is the sphere that radius equates with housing sphere F4 radius; Two waist C5 and D5 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 spherical blade compressor input torque, low-pressure gas sucks from the air inlet face of the some D3 to E3 of distribution awl (5), pressurized gas from the deflation area of some D3 to G3 of distribution awl (5) be discharged to load.
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;
6) not easy to wear, 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 the T-T sectional view of Fig. 5;
Fig. 8 is the oily wimble structure schematic representation of joining of the present invention;
Fig. 9 is that the P of Fig. 8 is to schematic representation
Figure 10 is a shell construction schematic representation of the present invention;
Figure 11 is the sectional view of housing;
Figure 12 is the M-M sectional view of Figure 11;
Figure 13 is an overall structure schematic representation of the present invention;
Figure 14 is that the K of Figure 13 is to schematic representation;
Figure 15 is the N-N sectional view of Figure 13;
Figure 16 is a running principle schematic representation of the present invention;
Figure 17 is the U-U sectional view of Figure 13;
Figure 18 is a working procedure principle schematic of the present invention;
Figure 19 is the V-V sectional view of Figure 16;
Figure 20 is a working procedure principle schematic of the present invention;
Among the figure: housing 1, rotor 2, blade 3, Stamping Steel Ribbon 4, distribution awl 5, cushion block 6.
Embodiment
Shown in figure 16, the spherical vane compressor of the present invention comprises housing 1, rotor 2, two blades 3, two Stamping Steel Ribbons 4, two 5 and two cushion blocks 6 of distribution awl.Rotor 2 is positioned at the center; Housing 1 is positioned at the outside; Two distributions awl 5 lays respectively in the rotor 2 two ends conical hollow faces, 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 frustum cone side of plane of blade 3 and distribution awl 5 fits; 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 6 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 E4 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 Figure 11 housing 1.The length of O1K1 is the height sum of a half-sum Stamping Steel Ribbon of Fig. 6 rotor 2 thickness.
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 thickness, 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 Figure 11 housing 1 sphere F4 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, Fig. 6 and shown in Figure 7 be the shape of rotor 2 of the present invention.Be one flat plate in the middle of the rotor 2, dull and stereotyped middle two waist places are two identical director circle platforms, and one of them director circle platform is gone to the bottom and is B2; 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 director circle platform cone angle is identical with the cone angle of cloudy round platform H2, and A2 is parallel disk with B2; I2 is parallel plate level with J2; The E2 and the F2 centre of sphere are the big sphere in the outside about O2, and G2 and H2 are two identical cloudy round platform part sides, and two ends were respectively disk B2 and were the disc of diameter with K2L2 about one of them cloudy round platform; The distance of two parallel plane I2 and J2 is rotor 2 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. 8 and shown in Figure 9 be the shape of distribution of the present invention awl 5.Distribution awl 5 is round platforms; The radius of end face A3 and bottom surface B3 equates with the radius of two bottom surfaces up and down of rotor 2 cloudy round platforms respectively; Highly also the height with rotor 2 cloudy round platforms equates, the spatial position of two distributions awl 5 is with following and decide: guarantee to assemble back two distributions and bore 5 frustum cone sides and fit with the corresponding parallel plane C4 of hollow ring or the D4 of corresponding housing 1 respectively, the conical surface of putting D3 to E3 is an air inlet face; Point D3 was the horizontal axis in the center of circle and the intersection point of bottom surface B3; The position of point E3 be when rotor 2 forward to by paper shown in Figure 5 position shown in figure 16 during perpendicular to the paper position, the intersection point that justify at rotor plane, 2 left side and the end, the conical surface of putting D3 to G3 is a deflation area; The conical surface of D3 to G3 is less than 90 degree, and its angular dimension is looked exhaust pressure and decided.
Figure 10, Figure 11 and shown in Figure 12 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 that with the width K2M2 of rotor 2 end face A4 is the parallel disk that radius equates with bottom surface B4, and sphere F4 is to be the centre of sphere with O4; 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, and two side C4 of hollow ring are parallel planar circulars with D4, and E4 is the cylinder of central shaft through O4; Be positioned on the diagonal of housing, two plane C4 that hollow ring is parallel and the spatial position of D4 are with following and decide: guarantee to assemble afterwards C4 and D4 two planes and two distributions and bore 5 frustum cone sides and fit respectively.Whole housing 1 is about billiard table center O 4 symmetries.
The shape of cushion block 6 has been shown among Figure 15.Cushion block 6 is one section annulus; Its outer side surface A5 is the cylinder that radius equates with housing 1 hollow ring E4 external diameter; Inner side surface B5 is the sphere that radius equates with housing 1 sphere F4 radius; Two waist C5 and D5 are the cylinders that radius equates with the radius of blade 3 bottom surface cylinder E1, and the thickness of cushion block 6 is identical with blade 3 thickness.Cushion block 6 is shaped as axisymmetric.
Shown in figure 16, after ball-type vane compressor of the present invention assembled, the center O 1 of each parts, O2, O4 overlapped.
Operation working principle of the present invention is following:
Like Figure 19, at an end of compressor, 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 Figure 13 or 7a position turn clockwise, chamber Q2 begins air-breathing, Q3 is an air aspiration cavity, Q1 is a compression chamber, like Figure 18.Rotor 2 continues rotation clockwise, and air aspiration cavity Q2 and Q3 constantly enlarge, and compression chamber Q1 constantly dwindles.When forwarding Figure 16 or Figure 19 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 Figure 20 position, compression chamber Q1 began exhaust.When rotor 2 forwarded Figure 13 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 Figure 19 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 compressor and vacuum pump, situation is also identical with this end.
Compare with the patent application (number of patent application is 200810063250.4) 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.Increase considerably thereby make than discharge capacity.
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 the present invention makes all fall into protection scope of the present invention.

Claims (2)

1. a spherical vane compressor is characterized in that, it comprises housing (1), rotor (2), two blades (3), two Stamping Steel Ribbons (4), two distribution awls (5) and two cushion blocks (6) etc.; Rotor (2) is positioned at the center; Housing (1) is positioned at the outside; Two distributions awls (5) lay respectively in the conical hollow face of rotor (2) two ends, 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 housing (1) end circular diameter of this angle; The frustum cone side of plane of blade (3) and distribution awl (5) fits; 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 (6) 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. according to the said spherical vane compressor 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; Wherein, cylinder C1 is that the center is centre of sphere O1, radius and the identical cylinder of radius of the cylinder E4 of the hollow ring of housing (1), and 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 the thickness of blade (3), and the thickness of blade (3) equates with the hollow ring width of housing (1); The length of O1K1 is the height sum of the half the and Stamping Steel Ribbon of rotor (2) thickness;
Said Stamping Steel Ribbon (4) upside is that a center is the cylinder that centre of sphere O1, radius equate with the cylinder E1 radius of blade (3); Downside is a plane; The perpendicular distance of centre of sphere O1 and this time side plane is the half the of rotor (2) thickness; Cylinder G1 is that the center is the cylinder that O1, radius equate with the cylinder P2 radius of rotor (2); Sphere F1 is that the centre of sphere is the sphere that O1, radius equate with the sphere F4 radius of housing (1), and plane H1 is parallel with I1, and the width of Stamping Steel Ribbon (4) (being the distance of plane H1 and I1) equates with blade (3) thickness; Blade (3) and Stamping Steel Ribbon (4) are axisymmetric;
Said rotor is an one flat plate in the middle of (2); Two waist places are two identical director circle platforms in the middle of dull and stereotyped, and one of them director circle platform bottom surface is face B2, and upper bottom surface is that the center is the identical cloudy cylndrical surface P2 of radius of O2 radius and the middle cylinder G1 of Stamping Steel Ribbon (4) with dull and stereotyped connecting part; Director circle platform cone angle is identical with the cone angle of cloudy round platform H2; The bottom surface A2 and the B2 of two director circle platforms is parallel disks, and two dull and stereotyped planar I 2 are parallel with J2, and the sphere E2 and the F2 centre of sphere are the big sphere in the outside about O2; G2 and H2 are two identical cloudy round platform part sides; One of them cloudy round platform up and down was disk B2 and was the disc of diameter with K2L2 that the distance of two parallel plane I2 and J2 was the thickness of rotor (2) respectively in two ends, and the length of straigh line of K2M2 is the width of rotor (2); Whole rotor (2) also is an axisymmetric not only about center O 2 symmetries;
Said distribution awl (5) is a round platform; The radius of end face A3 and bottom surface B3 respectively and the cloudy round platform of rotor (2) up and down the radius of two bottom surfaces equate; Highly also the height with the cloudy round platform of rotor (2) equates, two distributions are bored the spatial position of (5) to decide as follows: after guaranteeing to assemble, the corresponding parallel plane C4 of hollow ring or the D4's two distributions awl (5) frustum cone side of housing (1) fit respectively with accordingly; The conical surface of point D3 to E3 is an air inlet face; Point D3 was the horizontal axis in the center of circle and the intersection point of bottom surface B3, and the position of some E3 is when rotor (2) during perpendicular to the paper position, the intersection point that justify at the plane and the end on the left of the rotor (2); The conical surface of point D3 to G3 is a deflation area, and the conical surface of D3 to G3 is less than 90 degree;
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 A4 and bottom surface B4 are the parallel disks that two radiuses equate, sphere F4 is to be the centre of sphere with O4, 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 C4 of hollow ring are parallel planar circulars with D4, and the cylinder E4 of hollow ring is the cylinder of central shaft through O4, is positioned on the diagonal of housing; Whole housing (1) is about billiard table center O 4 symmetries;
Said cushion block (6) is one section annulus; Its outer side surface A5 is the cylinder that radius equates with the cylinder E4 external diameter of housing (1) hollow ring; Inner side surface B5 is the sphere that radius equates with housing (1) sphere F4 radius; Two waist C5 and D5 are the cylinders that radius equates with the radius of blade (3) bottom surface cylinder E1, and the thickness of cushion block (6) is identical with blade (3) thickness; Cushion block (6) is shaped as axisymmetric;
When said spherical blade compressor input torque, low-pressure gas sucks from the air inlet face of the some D3 to E3 of distribution awl (5), pressurized gas from the deflation area of some D3 to G3 of distribution awl (5) be discharged to load.
CN201110453957.8A 2011-12-30 2011-12-30 Spherical blade compressor Expired - Fee Related CN102536816B (en)

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CN102536816B CN102536816B (en) 2015-04-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671098A (en) * 2013-12-16 2014-03-26 浙江大学 Multiple-blade compressor
CN103883356A (en) * 2013-12-16 2014-06-25 浙江大学 Blade pneumatic motor

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Publication number Priority date Publication date Assignee Title
CN1966984A (en) * 2005-11-16 2007-05-23 汤科儿 Compressor pump comprising spherical cylinder, impeller, and sloping cam plate
US20080308062A1 (en) * 2007-06-14 2008-12-18 Hitachi, Ltd. Variable Displacement Pump
CN101338752A (en) * 2008-07-26 2009-01-07 郑良才 Compressor or vacuum pump
CN101344085A (en) * 2008-07-30 2009-01-14 郑良才 Vane compressor or vacuum pump
CN101368566A (en) * 2008-08-08 2009-02-18 郑良才 Cylindrical compressor or vacuum pump
JP2010019091A (en) * 2008-07-08 2010-01-28 Toyota Industries Corp Swash plate compressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1966984A (en) * 2005-11-16 2007-05-23 汤科儿 Compressor pump comprising spherical cylinder, impeller, and sloping cam plate
US20080308062A1 (en) * 2007-06-14 2008-12-18 Hitachi, Ltd. Variable Displacement Pump
JP2010019091A (en) * 2008-07-08 2010-01-28 Toyota Industries Corp Swash plate compressor
CN101338752A (en) * 2008-07-26 2009-01-07 郑良才 Compressor or vacuum pump
CN101344085A (en) * 2008-07-30 2009-01-14 郑良才 Vane compressor or vacuum pump
CN101368566A (en) * 2008-08-08 2009-02-18 郑良才 Cylindrical compressor or vacuum pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671098A (en) * 2013-12-16 2014-03-26 浙江大学 Multiple-blade compressor
CN103883356A (en) * 2013-12-16 2014-06-25 浙江大学 Blade pneumatic motor
CN103671098B (en) * 2013-12-16 2016-03-30 浙江大学 A kind of Multiple-blade compressor

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