CN104265630B - A kind of spherical ball compressor - Google Patents
A kind of spherical ball compressor Download PDFInfo
- Publication number
- CN104265630B CN104265630B CN201410489893.0A CN201410489893A CN104265630B CN 104265630 B CN104265630 B CN 104265630B CN 201410489893 A CN201410489893 A CN 201410489893A CN 104265630 B CN104265630 B CN 104265630B
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- Prior art keywords
- spheroid
- spherical shell
- groove
- ball
- bulge loop
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/04—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal-axis type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of spherical ball compressor, including concentric spheroid and spherical shell, the outer surface of spheroid be provided with a spheroid bulge loop and symmetrical be two spheroid arc grooves that 90 ° of angles intersect with spheroid bulge loop, in intersection, spheroid bulge loop has bulge loop breach at two；The inner surface of spherical shell is provided with the spherical shell scrobicular ring and a spherical shell annular groove intersected with 5～85 ° of angles, forms two spherical shell groove intersections；Spheroid bulge loop is mutually embedding with spherical shell scrobicular ring, and spheroid can turn round in spherical shell along mutually embedding circuit.Having two arc ring groove intersections between spheroid arc groove and spherical shell annular groove, be respectively equipped with a ball, along with the rotation of spheroid, ball can do gyration in spherical shell annular groove.In the both sides of each spherical shell groove intersection, offering air entry and air vent respectively, air vent is provided with air bleeding valve.Spheroid bulge loop periodically separator of bearing balls girdle groove, in spherical shell annular groove, form compression stroke and breathing space, it is achieved the suction of gas, the exhaust effect of compression.
Description
Technical field
The present invention relates to a kind of spherical ball compressor, there is the operating characteristic of Rotary Compressor, for various gases are carried out
Compression, improves gas pressure.
Background technology
Compressor be a kind of for compressed gas with improve gas pressure or conveying gas machinery, be widely used in power, refrigeration,
The industries such as metallurgy, petrochemical industry.Classifying by action principle, compressor can be divided mainly into displacement type and velocity profile.Displacement type compresses
Machine is divided into reciprocating and swinging, velocity profile compressor to be divided into centrifugal and axial-flow type.Reciprocating compressor passes through piston at cylinder
Interior reciprocating motion, periodically air-breathing, compression and aerofluxus, complete the compression process of gas.Rotary Compressor is to pass through piston
Spinning movement make gas volume reduce to improve gas pressure, its work efficiency be usually above reciprocating compressor.Swinging
The kind of compressor is a lot, and the concrete compression method of employing is different, is respectively arranged with the feature of oneself.
At present, Rotary Compressor can be divided into rolling rotor-type, slide sheet type, screw, vortex etc. by construction features, is respectively arranged with
Its pluses and minuses.Rolling rotor compressor once weares and teares at its bearing, main shaft, roller or slide plate, and gap increases,
Its performance will be produced obvious harmful effect.Owing to there is bigger machine between slide plate and rotor and cylinder in sliding-vane compressor
Tool friction loss, causes it relatively inefficient, thus limits its range.Screw compressor is not suitable for little gas
Body flow occasion, gases cycle ground by suction, vent ports and can cause the biggest by factors such as the leakages in gap at a high speed
Noise, so that take noise reduction noise reducing efforts；It addition, the requirement on machining accuracy of the space curved surface of helical rotors is high, need to use
Special equipment and cutter are processed；Due to the restriction of clearance seal and rotor rigidity etc., current screw compressor can't be as past
Twin compressor reaches higher end of a period pressure like that.Swirl type cold compressor under the operating mode of less gas flow, efficiency
Comparing relatively low, manufacturing cost is higher, needs high-precision process equipment and accurate regulation of mental activities mounting technology.
In sum, all there is various defect or limitation in existing Rotary Compressor.
Summary of the invention
The invention discloses a kind of spherical ball compressor, it is therefore an objective to eliminate or alleviate the defect of the Rotary Compressor of application at present
Or not enough, simple in construction, few easy workout part, and component processing is simple, without accurate mounting technology, compression efficiency is high simultaneously.
Technical scheme is as follows:
A kind of spherical ball compressor, including concentric spheroid and spherical shell, the external diameter of described spheroid is slightly less than the internal diameter of described spherical shell
Make described spheroid can rotate in spherical shell；The outer surface of described spheroid is provided with a protruding spheroid bulge loop and the ball of two indents
Body arc groove, described two spheroid arc grooves are located at the two ends of described spheroid symmetrically, are that 90 ° of angles intersect respectively with described spheroid bulge loop,
Having bulge loop breach at two at spheroid bulge loop described in two intersections, the cross section of described spheroid arc groove is semicircle；Described spherical shell
Inner surface be provided with a recessed spherical shell scrobicular ring and a recessed spherical shell annular groove, described spherical shell annular groove and described spherical shell scrobicular ring with
5～85 ° of angles intersect, and form the spherical shell groove intersection communicated between two spherical shell annular grooves and spherical shell scrobicular ring, described spherical shell scrobicular ring and institute
Stating spheroid bulge loop to be embedded in mutually together, the cross section of described spherical shell annular groove is the semicircle of the cross section same size with described spheroid arc groove
Shape；Being provided with two ball body axles on described spheroid, described spheroid axle is vertical with described spheroid bulge loop, and spheroid revolves around described spheroid axle
Turn；Being provided with axis hole on described spherical shell, the axis of described axis hole is vertical with described spherical shell scrobicular ring, and described spheroid axle passes described axle
Hole is mechanically connected with driving；Having two arc ring groove intersections between described spheroid arc groove and spherical shell annular groove, each described arc ring groove is handed over
Being equipped with a ball at remittance, the radius of described ball is consistent with the cross sectional radius of described spheroid arc groove；At each described spherical shell
The both sides of groove intersection, offer air entry and air vent respectively, described air entry and air vent all with described spherical shell annular groove phase
Logical, described air vent is provided with air bleeding valve.
Its contraction principle of the present invention is: along with spheroid rotation in spherical shell, under the constraint of spheroid arc groove and spherical shell annular groove,
Ball is reciprocating in spheroid arc groove, makees gyration in spherical shell annular groove；Spherical shell groove intersection quilt described in most of the time
Described spheroid bulge loop occupies, and forms compression stroke and (at this moment arrange in described spherical shell annular groove between ball direction of advance and spheroid bulge loop
Air valve is closed under spring force), carry out gas compression；At ball rear space and described air entry in described spherical shell annular groove
Connection, carries out breathing process；When ball is moved close to described spherical shell groove intersection, gas compressed is more than air bleeding valve bullet
Spring force backs down described air bleeding valve valve, it is achieved aerofluxus；Ball general entrance spherical shell groove intersection, the most described spheroid bulge loop after aerofluxus
On bulge loop breach just proceed to spherical shell groove intersection so that passage is opened, and ball passes through.Ball is crossed by described spherical shell groove
Air-breathing, compression, exhaust effect is again produced behind place.Spheroid rotates a circle, and two balls respectively produce two second compression, exhaust process.
Wherein, the cross section of described spheroid bulge loop is rectangle, and the cross section of described spherical shell scrobicular ring is transversal with described spheroid bulge loop
The rectangle of face same size.
Wherein, the angle between described spherical shell annular groove and described spherical shell scrobicular ring is 5～85 °；Described spherical shell annular groove and described spherical shell scrobicular ring
Between angle the biggest, the arc length of described spheroid arc groove is the longest.
Preferably, the angle between described spherical shell annular groove and described spherical shell scrobicular ring is 45 °.
Preferably, the width of described bulge loop breach is slightly larger than the diameter of described spheroid arc groove, in order to the ball in spheroid arc groove leads to
Cross.
Further, for easy to assembly, described spherical shell is two and constitutes about the docking of scrobicular ring centrosymmetric parts.
Owing to ball reciprocating motion in spheroid arc groove is likely to result in harmful compression or the expansion of gas in arc groove, further,
Have a stria in the bottom of described spheroid arc groove, allow ball both sides gas communication.
Owing to have employed technique scheme, advantages of the present invention and good effect: a kind of spherical ball compression of the present invention
Machine simple in construction, component processing be simple, without inlet valve, few easy workout part, without accurate mounting technology, cost of manufacture is low, fit
For various gas compressions, compression efficiency is high.
Accompanying drawing explanation
Fig. 1 is the front view of the spheroid of a preferred embodiment of the present invention a kind of spherical ball compressor.
Fig. 2 is the lateral plan of spheroid shown in Fig. 1.
Fig. 3 is the front section view of spheroid shown in Fig. 1.
Fig. 4 is the front section view of the spherical shell of a preferred embodiment of the present invention a kind of spherical ball compressor.
Fig. 5 is the F-F position side sectional view of spherical shell shown in Fig. 4.
Fig. 6 is the normal cross-section view of a preferred embodiment of the present invention a kind of spherical ball compressor；In this figure, ball is at ball
The left dead-centre position of body arc groove, in one end air entry and the centre position of other end air vent of spherical shell annular groove.
Fig. 7 is the sectional view of the A-A position of spherical ball compressor shown in Fig. 6, and this section is cut open along spherical shell annular groove, with figure
Section shown in 6 is perpendicular；In this figure, the position of ball is identical with Fig. 6, and ball moves front compressed gas, rear air-breathing.
Fig. 8 be spheroid after Fig. 6 position rotates to an angle, along the sectional view of spheroid arc groove location.
Fig. 9 is the sectional view of the B-B position of spherical ball compressor shown in Fig. 8, and this section is cut open along spherical shell annular groove, with figure
Section shown in 8 is angled；In this figure, ball moves preceding exhaust, rear air-breathing.
Figure 10 be spheroid after the half-twist of Fig. 6 position, along the sectional view of spheroid arc groove location；In this figure, the position of ball
Being in spheroid arc groove centre position, namely be in bulge loop gap position, ball is also at the spherical shell groove intersection of spherical shell simultaneously.
Figure 11 is the sectional view of the C-C position of spherical ball compressor shown in Figure 10, and this section is cut open along spherical shell annular groove, with
Section shown in Figure 10 is at 45 °；In this figure, the position of ball is identical with Figure 10, now, and neither aerofluxus, the most not air-breathing.
Figure 12 is spheroid after Figure 10 position continues to rotate some angles, along the sectional view of spheroid arc groove location；In this figure,
The position of ball is in the position that spheroid arc groove is more to the right.
Figure 13 is the sectional view of the D-D position of spherical ball compressor shown in Figure 12, and this section is cut open along spherical shell annular groove, with
Section shown in Figure 12 is angled；In this figure, ball moves front compressed gas, rear air-breathing.
Figure 14 be spheroid after the half-twist of Figure 10 position, that is to say that spheroid rotates after 180 ° from Fig. 6 position, along spheroid arc
The sectional view of groove location；In this figure, ball is at the right dead-centre position of spheroid arc groove, at spherical shell annular groove one end air entry and the other end
The centre position of air vent.Due to air entry and the symmetry of air vent at two balls and two, the effect of this figure is equal to Fig. 6.
Figure 15 is the sectional view of the E-E position of spherical ball compressor shown in Figure 14, and this section is cut open along spherical shell annular groove, with
Section shown in Figure 14 is perpendicular；In this figure, the position of ball is identical with Figure 14, and ball moves front compressed gas, rear
Air-breathing.Due to air entry and the symmetry of air vent at two balls and two, the effect of this figure is equal to Fig. 7.
Wherein: 1. spheroid axle, 2. spheroid, 3. spheroid bulge loop, 4. spheroid arc groove, 5. axis hole, 6. spherical shell, 7. spherical shell annular groove, 8. ball
Shell scrobicular ring, 9. ball, 10. air entry, 11. air bleeding valves, 12. air vents, 13. bulge loop breach, 14. spherical shell groove intersections.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, but the present embodiment is not limited to the present invention, every
Use the analog structure of the present invention and similar change thereof, protection scope of the present invention all should be listed in.
A kind of spherical ball compressor, as shown in Fig. 1～15, including concentric spheroid 2 and spherical shell 6, the external diameter of spheroid 2 is smaller
Internal diameter in spherical shell 6 makes spheroid 2 can rotate in spherical shell 6.
Shown in Fig. 1～3, the outer surface of spheroid 2 is provided with the spheroid arc groove 4 of a protruding spheroid bulge loop 3 and two indents,
Article two, spheroid arc groove 4 is located at the two ends of spheroid 2 symmetrically, intersects in 90 ° of angles with spheroid bulge loop 3 respectively, two intersections
Spheroid bulge loop 3 has bulge loop breach 13 at two.Wherein the cross section of spheroid bulge loop 3 is rectangle, and the cross section of spheroid arc groove 4 is
Semicircle.Shown in Fig. 4～5, the inner surface of spherical shell 6 is provided with a recessed spherical shell scrobicular ring 8 and a recessed spherical shell ring
Groove 7, spherical shell annular groove 7 and spherical shell scrobicular ring 8 can be crossed to form between two spherical shell annular grooves 7 and spherical shell scrobicular ring 8 with 5～85 ° of angles
The spherical shell groove intersection 14 communicated, wherein this angle is preferably 45 °, in the present embodiment, uses 45 ° of angles.At each spherical shell groove
The both sides of intersection 14, offer respectively air entry 10 and air vent 12, air entry 10 and air vent 12 all with spherical shell ring
Groove 4 communicates, and air vent 12 is provided with air bleeding valve 11.Wherein, the cross sectional dimensions of spherical shell scrobicular ring 8 and spheroid bulge loop 3 is transversal
Face size matches, and together with spherical shell scrobicular ring 8 is embedded in spheroid bulge loop 3 phase, spheroid 2 can return in spherical shell 6 along mutually embedding circuit
Turn.The cross section of spherical shell annular groove 7 is the semicircle of the cross section same size with spheroid arc groove 4.
Being provided with two ball body axles 1 on spheroid 2, spheroid axle 1 is vertical with spheroid bulge loop 3, and spheroid 2 rotates around spheroid axle 1,
Spherical shell 6 is provided with axis hole 5, and the axis of axis hole 5 is vertical with spherical shell scrobicular ring 8, and spheroid axle 1 is mechanically connected through axis hole 5 with driving,
Spheroid 2 is driven to rotate.
Having two arc ring groove intersections between spheroid arc groove 4 and spherical shell annular groove 7, each arc ring groove intersection is equipped with a ball 9,
The radius of ball 9 is consistent with the cross sectional radius of spheroid arc groove 4, the half of such ball 9 in spheroid arc groove 4, second half
In spherical shell annular groove 7.The width of bulge loop breach 13 is slightly larger than the diameter of ball 9, in order to the ball 9 in spheroid arc groove 4 from
Pass through at bulge loop breach 13.The size of spherical shell groove intersection 14 can allow ball 9 pass through, it is also possible to allows spheroid bulge loop 3 pass through.
Wherein, for easy to assembly, spherical shell 6 can be two and constitute about the docking of scrobicular ring centrosymmetric parts.
Owing to the ball 9 reciprocating motion in spheroid arc groove 4 is likely to result in harmful compression or the expansion of gas in spheroid arc groove 4,
A stria (not shown) can be opened in the bottom of spheroid arc groove 4 further, allow ball 9 both sides in spheroid arc groove 4
Gas communication.
Shown in Fig. 6 and 7, ball 9 is at the left dead-centre position of spheroid arc groove 4, and spherical shell groove intersection 14 is by spheroid bulge loop 3
Occupying, air bleeding valve 11 is closed under spring force；In spherical shell annular groove 7, ball 9 is at direction of advance and spheroid bulge loop 3
Between define compression stroke, gas is compressed；Meanwhile, by suction hole, ball 9 rear space air-breathing.
Position in Fig. 8 is continued to rotate an angle in spheroid 2 position from Fig. 6, and now ball 9 is in the position of spheroid arc groove 4
Close to bulge loop breach 13；Shown in Fig. 9, ball 9 is closely located to spherical shell groove intersection 14 in spherical shell annular groove 7.Spherical shell
Groove intersection 14 is continued to occupy by spheroid bulge loop 3, and air bleeding valve 11 is opened (more than spring force) under the pressure of compressed gas,
Ball 9 moves preceding exhaust, rear air-breathing.
Spheroid 2 from Fig. 6 after the half-twist of position to position in Figure 10, during now the position of ball 9 is in spheroid arc groove 4
Between position, namely be in the position of bulge loop breach 13；Shown in Figure 11, bulge loop breach 13 arrives spherical shell groove intersection 14,
Namely spherical shell groove intersection 14 is no longer occupied by spheroid bulge loop 3, and passage is in opening state, and ball 9 is also exactly in spherical shell
The spherical shell groove intersection 14 of 6, can pass through.Now compressor air-discharging terminates, and air bleeding valve 11 is closed, and compressor neither compresses also
Not air-breathing.
Spheroid 2 position from Figure 10 continues to rotate after some angles to position in Figure 12, and now the position of ball 9 is in spheroid
The position that arc groove 4 is more to the right；Shown in Figure 13, now spherical shell groove intersection 14 is occupied again by spheroid bulge loop 3,
In spherical shell annular groove 7, ball 9 moves front compressed gas near air entry 10, ball 9, and rear starts air-breathing.
Spheroid 2 from Figure 10 after the half-twist of position to position in Figure 14, now ball 9 is at the right dead-centre position of spheroid arc groove 4；
Shown in Figure 15, now spherical shell groove intersection 14 is continued to occupy by spheroid bulge loop 3, and air bleeding valve 11 is under spring force
Close；In spherical shell annular groove 7, ball 9 defines compression stroke between direction of advance and spheroid bulge loop 3, and gas is compressed；
Meanwhile, by suction hole, ball 9 rear space air-breathing.
As it has been described above, from Fig. 6～Figure 15, illustrating after spheroid 2 rotates 180 ° in spherical shell 6, two balls 9 realize respectively
First compression, air-breathing, exhaust process.In this process, ball 9 arrives right stop from left stop in spheroid arc groove 4,
In spherical shell annular groove 7, rotate 180 ° simultaneously.Due to the symmetry of structure, spheroid 2 continues the result after rotating 180 ° with aforementioned
Situation is essentially identical, and simply ball 9 returns to left stop from right stop in spheroid arc groove 4, continues in spherical shell annular groove 7 simultaneously
Rotate 180 ° and return to initial point shown in Fig. 7.Spheroid 2 rotates a circle after 360 ° in spherical shell 6, compressor realize two second compression,
Air-breathing, exhaust process.
Claims (7)
1. a spherical ball compressor, it is characterised in that: include that concentric spheroid and spherical shell, the external diameter of described spheroid are slightly less than
The internal diameter of described spherical shell makes described spheroid can rotate in spherical shell；
The outer surface of described spheroid is provided with the spheroid arc groove of a protruding spheroid bulge loop and two indents, described two spheroid arc grooves
It is located at the two ends of described spheroid symmetrically, is that 90 ° of angles intersect respectively with described spheroid bulge loop, convex at spheroid described in two intersections
Ring has bulge loop breach at two, and the cross section of described spheroid arc groove is semicircle；
The inner surface of described spherical shell is provided with a recessed spherical shell scrobicular ring and a recessed spherical shell annular groove, described spherical shell annular groove and institute
State spherical shell scrobicular ring to intersect with 5～85 ° of angles, form the spherical shell groove intersection communicated between two spherical shell annular grooves and spherical shell scrobicular ring, described
Together with spherical shell scrobicular ring is embedded in mutually with described spheroid bulge loop, the cross section of described spherical shell annular groove is and the cross section phase of described spheroid arc groove
Semicircle with size；
Being provided with two ball body axles on described spheroid, described spheroid axle is vertical with described spheroid bulge loop, and spheroid revolves around described spheroid axle
Turning, be provided with axis hole on described spherical shell, the axis of described axis hole is vertical with described spherical shell scrobicular ring, and described spheroid axle passes described axle
Hole is mechanically connected with driving；
Having two arc ring groove intersections between described spheroid arc groove and spherical shell annular groove, each described arc ring groove intersection is equipped with one
Ball, the radius of described ball is consistent with the cross sectional radius of described spheroid arc groove；
In the both sides of each described spherical shell groove intersection, offer air entry and air vent, described air entry and air vent respectively
All communicating with described spherical shell annular groove, described air vent is provided with air bleeding valve.
2. spherical ball compressor as claimed in claim 1, it is characterised in that: the cross section of described spheroid bulge loop is rectangle,
The cross section of described spherical shell scrobicular ring is the rectangle of the cross section same size with described spheroid bulge loop.
3. spherical ball compressor as claimed in claim 1, it is characterised in that: described spherical shell annular groove and described spherical shell scrobicular ring it
Between angle be 45 °.
4. spherical ball compressor as claimed in claim 1, it is characterised in that: described spherical shell annular groove and described spherical shell scrobicular ring it
Between angle the biggest, the arc length of described spheroid arc groove is the longest.
5. spherical ball compressor as claimed in claim 1, it is characterised in that: the width of described bulge loop breach is slightly larger than described
The diameter of the semi-circular cross-section of spheroid arc groove.
6. spherical ball compressor as claimed in claim 1, it is characterised in that: described spherical shell be two about scrobicular ring center pair
The parts docking claimed is constituted.
7. spherical ball compressor as claimed in claim 1, it is characterised in that: the bottom of described spheroid arc groove has one carefully
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489893.0A CN104265630B (en) | 2014-09-23 | 2014-09-23 | A kind of spherical ball compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489893.0A CN104265630B (en) | 2014-09-23 | 2014-09-23 | A kind of spherical ball compressor |
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| Publication Number | Publication Date |
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| CN104265630A CN104265630A (en) | 2015-01-07 |
| CN104265630B true CN104265630B (en) | 2016-08-17 |
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| CN201410489893.0A Expired - Fee Related CN104265630B (en) | 2014-09-23 | 2014-09-23 | A kind of spherical ball compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162762A (en) * | 2018-09-05 | 2019-01-08 | 上海理工大学 | Spherical ball expanding machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162779A (en) * | 2018-09-05 | 2019-01-08 | 上海理工大学 | A kind of organic Rankine cycle power generation system |
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|---|---|---|---|---|
| CN1898457A (en) * | 2004-04-06 | 2007-01-17 | 帕拉维斯股份公司 | Rotary-piston engine and vehicle comprising an engine of this type |
| CN101929463A (en) * | 2010-08-26 | 2010-12-29 | 马丽莉 | Automatical compensation mechanism for sealing clearance of hinges used for spherical compressor |
| CN102116294A (en) * | 2011-01-31 | 2011-07-06 | 程涛 | Spherical cylinder for constant torque compressors and gas engines |
| CN102822448A (en) * | 2010-03-16 | 2012-12-12 | 亚历山大·弗拉基米罗维奇·迪定 | Volumetric rotary machine |
-
2014
- 2014-09-23 CN CN201410489893.0A patent/CN104265630B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1898457A (en) * | 2004-04-06 | 2007-01-17 | 帕拉维斯股份公司 | Rotary-piston engine and vehicle comprising an engine of this type |
| CN102822448A (en) * | 2010-03-16 | 2012-12-12 | 亚历山大·弗拉基米罗维奇·迪定 | Volumetric rotary machine |
| CN101929463A (en) * | 2010-08-26 | 2010-12-29 | 马丽莉 | Automatical compensation mechanism for sealing clearance of hinges used for spherical compressor |
| CN102116294A (en) * | 2011-01-31 | 2011-07-06 | 程涛 | Spherical cylinder for constant torque compressors and gas engines |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162762A (en) * | 2018-09-05 | 2019-01-08 | 上海理工大学 | Spherical ball expanding machine |
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| CN104265630A (en) | 2015-01-07 |
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