CN105370526B - Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow - Google Patents
Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow Download PDFInfo
- Publication number
- CN105370526B CN105370526B CN201510810757.1A CN201510810757A CN105370526B CN 105370526 B CN105370526 B CN 105370526B CN 201510810757 A CN201510810757 A CN 201510810757A CN 105370526 B CN105370526 B CN 105370526B
- Authority
- CN
- China
- Prior art keywords
- swash plate
- lubricating cup
- plate
- drive shaft
- cup
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/22—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2078—Swash plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2078—Swash plates
- F04B1/2085—Bearings for swash plates or driving axles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2092—Means for connecting rotating cylinder barrels and rotating inclined swash plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
A kind of scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow, drive shaft including connecting into one by two drive shafts, and it is supported on a left side, on right end cap, it is connected with the inside of end cap and determines swash plate, determine the end face connection of swash plate and swash plate, other end is provided with several plungers by ball pivot form, the interstitial hole connection of swash plate is on the driving shaft, the other end of plunger is arranged in lubricating cup, lubricating cup is connected on lubricating cup installing plate, lubricating cup pressure strip one end is pressed on lubricating cup, the other end is by spring and swash plate support compression at the cylindrical place of swash plate endoporus, the other end of lubricating cup installing plate is pressed on valve plate, valve plate is connected to oil clot both sides, positioned with oil clot by right shell body, right shell body and left shell connect into an one, drive shaft termination is stretched out outside closure, by driving swash plate and cup-shaped cylinder body to rotate, the effect of flow-distribution mechanism is coordinated to realize the oil suction and oil extraction of pump, reduce block quality, avoid the presence of driving force between plunger and cylinder body.
Description
Technical field
The invention belongs to axial plunger pump technical field, and in particular to a kind of scattered many cup formulas of center annular disk flow
Symmetric double sloping tray axial plunger piston pump.
Background technology
Axial plunger pump includes cam-type axial piston pump and bent axis type axial piston pump, and inclined disc type axial pump is driven by drive shaft
Dynamic cylinder body rotation, while driving plunger rotation.In the presence of return plate, the piston shoes being connected with plunger by ball pivot are pressed in
On swash plate.Cylinder body content cavity cyclically-varying is realized with piston shoes routing motion in plunger rotary course.Under valve plate effect,
Realize the oil suction and oil extraction of pump.
Traditional type floats cup pump and fixed by plunger, the form that cup-shaped cylinder body floats, and plunger is installed on the driving shaft, by driving
The rotation of moving axis, rotates together with floating cup.Oil suction and oil extraction are completed by the cooperation with valve plate in floating cup motion process.
Current floating-cup type axial plunger pump and cam-type axial piston pump have the following disadvantages：Floating cup is in floating type
State, easily causes leakage；The overall processing form that the power transmission shaft of floating cup pump is used, difficulty of processing is big；The installing plate of floating cup is present
Angle of inclination, the effect due to centrifugal force in rotary course can cause floating cup unstable, cause leakage；Cam-type axial piston
There is relative slip in the piston shoes of pump, be easily contaminated the influence of thing on swash plate.The damage of piston shoes is caused, shortens the use of pump
Life-span.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of point of center annular disk flow
Many cup formula symmetric double sloping tray axial plunger piston pumps are dissipated, block quality is reduced, cancel frictional force between piston shoes and swash plate, it is to avoid plunger
There is driving force between cylinder body.
In order to achieve the above object, the present invention takes following technical scheme：
A kind of scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow, including by the first drive shaft
6 and second drive shaft 28 connect into a complete drive shaft, the left end of the first drive shaft 6 is connected to a left side by clutch shaft bearing 3
On end cap 2, the right-hand member of the second drive shaft 28 is connected on right end cap 31 by second bearing 32, and the first drive shaft 6 and second is driven
The junction of moving axis 28 is supported in 3rd bearing 18, and the inner side of left end cap 2 is connected with a left side and determines swash plate 4, and the inner side of right end cap 31 is connected
There is the right side to determine swash plate 30, a left side is determined swash plate 4 and connected by the end face of fourth bearing 5 and left swash plate 7, and the right side determines swash plate 30 and passes through the 5th axle
The end face connection of 29 and right swash plate 27 is held, the other end of left swash plate 7 is provided with several first plungers 10 by ball pivot form,
The other end of right swash plate 27 is provided with several second plungers 26, left swash plate 7, the interstitial hole point of right swash plate 27 by ball pivot form
It is not connected in the first drive shaft 6 and the second drive shaft 28, the other end of the first plunger 10 is arranged in the first lubricating cup 13, second
The other end of plunger 26 is arranged in the second lubricating cup 22, and the first lubricating cup 13 is connected to the first lubricating cup by lubricating cup fastener 34 and installed
On plate 15, the second lubricating cup 22 is connected on the second lubricating cup installing plate 20 by lubricating cup fastener 34, the first lubricating cup pressure strip 14 1
End is pressed on the first lubricating cup 13, and the other end is pressed on the outer of the left endoporus of swash plate 7 by the first spring 12 and left swash plate support 11
At circle, the one end of the second lubricating cup pressure strip 21 is pressed on the second lubricating cup 22, and the other end is supported by second spring 24 and right swash plate
25 are pressed on the cylindrical place of the right endoporus of swash plate 27, and the other end of the first lubricating cup installing plate 15 is pressed on the first valve plate 16,
The other end of second lubricating cup installing plate 20 is pressed on the second valve plate 19, and the first valve plate 16, the second valve plate 19 are connected
With the both sides of oil clot 17, positioned with oil clot 17 by right shell body 23, right shell body 23 and left shell 8 connect into an one, left housing
The outside of body 8 is connected with left closure 1, and the outside of right shell body 23 is connected with right closure 33, and the termination of the second drive shaft 28 is stretched out
Outside right closure 33.
Drum type spline 35 and spline 36 are machined with the drive shaft, swash plate and lubricating cup installing plate are connected respectively.
Two oil inlet and outlet kidney slots are provided with described the first valve plate 16, the second valve plate 19, in lubricating cup installing plate
In rotary course, two oil inlet and outlet kidney slots are connected with oil inlet and outlet respectively, coordinate the motion of piston shoes, realize the oil suction of pump with
Oil extraction.
The first described swash plate 7 and the second swash plate 27 and the first lubricating cup installing plate 15 of the left and right sides and the second lubricating cup peace
There is phase angle when mounted in dress plate 20.
Beneficial effects of the present invention are：Drive shaft passes through spline and drum type spline and lubricating cup installing plate and swash plate phase respectively
Even, the rotation of driving swash plate and lubricating cup installing plate same-phase can be realized in axle rotary course.Plunger is reduced to be moved through
The radial load being subject in journey；Spring ensure that the axis of the mounting axis and drive shaft of lubricating cup installing plate is concentric, be operated in pump
The floating of lubricating cup is eliminated in journey, the quality of bias is reduced, reduces vibrations；Described the first swash plate 7 and the second swash plate 27
And there is certain phase angle, energy when mounted in the first lubricating cup installing plate 15 and the second lubricating cup installing plate 20 of the left and right sides
Enough reduce the pulsation of flow.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is power transmission shaft front axle structures schematic diagram.
Fig. 3 is the oblique disk structure schematic diagram for laying plunger.
Fig. 4 is lubricating cup and valve plate scheme of installation.
Fig. 5 is spring supporting schematic diagram.
Fig. 6 is piston structure schematic diagram.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Reference picture 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of scattered many symmetrical diclinics of cup formula of center annular disk flow
Disk axial plunger pump, including a complete drive shaft connected into by spline by the first drive shaft 6 and the second drive shaft 28,
The left end of one drive shaft 6 is connected on left end cap 2 by clutch shaft bearing 3, and the right-hand member of the second drive shaft 28 passes through second bearing 32
It is connected on right end cap 31, the junction of the first drive shaft 6 and the second drive shaft 28 is supported in 3rd bearing 18, left end cap 2
Inner side has been connected by screw a left side and has determined swash plate 4, and the inner side of right end cap 31 has been connected by screw the right side and has determined swash plate 30, and a left side is determined swash plate 4 and led to
The end face connection of fourth bearing 5 and left swash plate 7 is crossed, the right side is determined swash plate 30 and connected by the end face of 5th bearing 29 and right swash plate 27
Connect, the other end of left swash plate 7 is provided with several first plungers 10 by ball pivot form, and the other end of right swash plate 27 passes through ball
Hinge form is provided with several second plungers 26, and left swash plate 7, the interstitial hole of right swash plate 27 are connected to the first drive shaft 6 and
In two drive shafts 28, the other end of the first plunger 10 is arranged in the first lubricating cup 13, and the other end of the second plunger 26 is arranged on the
In two lubricating cups 22, the first lubricating cup 13 is connected on the first lubricating cup installing plate 15 by lubricating cup fastener 34, and the second lubricating cup 22 passes through
Lubricating cup fastener 34 is connected on the second lubricating cup installing plate 20, and the one end of the first lubricating cup pressure strip 14 is pressed on the first lubricating cup 13,
The other end is pressed on the cylindrical place of the left endoporus of swash plate 7, the second lubricating cup pressure strip 21 by the first spring 12 and left swash plate support 11
One end is pressed on the second lubricating cup 22, and the other end is pressed on the right endoporus of swash plate 27 by second spring 24 and right swash plate support 25
Cylindrical place, the other end of the first lubricating cup installing plate 15 is pressed on the first valve plate 16, the second lubricating cup installing plate 20 it is another
End face is pressed on the second valve plate 19, and the first valve plate 16, the second valve plate 19 are connected to the both sides of oil clot 17, with oil clot 17
Positioned by right shell body 23, right shell body 23 and left shell 8 connect into an one, and the outside of left shell 8 is connected with left closure
1, the outside of right shell body 23 is connected with right closure 33, and the termination of the second drive shaft 28 is stretched out outside right closure 33.
Drum type spline 35 and spline 36 are machined with reference picture 2, the drive shaft, swash plate is connected respectively and lubricating cup is installed
Plate.
Two oil inlet and outlet kidney slots are provided with described the first valve plate 16, the second valve plate 19, in lubricating cup installing plate
In rotary course, two oil inlet and outlet kidney slots are connected with oil inlet and outlet respectively, coordinate the motion of piston shoes, realize the oil suction of pump with
Oil extraction.
The first described swash plate 7 and the second swash plate 27 and the first lubricating cup installing plate 15 of the left and right sides and the second lubricating cup peace
There is certain phase angle in dress plate 20, can reduce the pulsation of flow when mounted.
The present invention operation principle be：
Second drive shaft 28 rotates under the driving of prime mover, while drive the first drive shaft 6 to rotate by spline simultaneously.
First spring 12 and second spring 24 are respectively by the first lubricating cup installing plate 14, the second lubricating cup installing plate 21 and the first swash plate 7,
Two swash plates 27 are separated, and the first swash plate 7, the second swash plate 27 are pressed on into fourth bearing 5, in 5th bearing 29, fourth bearing 5, the
Five bearings 29 be supported on it is left determine swash plate 4, it is right determine on swash plate 30, when swash plate, plunger and lubricating cup installing plate are moved, plunger can be
Slided in lubricating cup along the axis of lubricating cup.Plunger and lubricating cup contact portion are spherical, and fit clearance very little can realize closed containing cavity.
Two oil inlet and outlet kidney slots 37 are provided with first valve plate 16, the second valve plate 19 in lubricating cup installing plate rotary course, point
Do not connected with oil inlet and outlet, coordinate the motion of piston shoes, realize the oil suction and oil extraction of pump.
Claims (3)
1. a kind of scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow, including by the first drive shaft
(6) and the second drive shaft (28) connects into a complete drive shaft, the left end of the first drive shaft (6) passes through clutch shaft bearing (3)
It is connected on left end cap (2), the right-hand member of the second drive shaft (28) is connected on right end cap (31) by second bearing (32), first
The junction of drive shaft (6) and the second drive shaft (28) is supported in 3rd bearing (18), it is characterised in that：In left end cap (2)
Side is connected with a left side and determines swash plate (4), and right end cap (31) inner side is connected with the right side and determines swash plate (30), and swash plate (4) is determined by fourth bearing in a left side
(5) and left swash plate (7) end face connection, the right side determine swash plate (30) and passes through the end face of 5th bearing (29) and right swash plate (27) company
Connect, the other end of left swash plate (7) is provided with several first plungers (10), the other end of right swash plate (27) by ball pivot form
Several second plungers (26) are provided with by ball pivot form, left swash plate (7), the interstitial hole of right swash plate (27) are connected to first
In drive shaft (6) and the second drive shaft (28), the other end of the first plunger (10) is arranged in the first lubricating cup (13), the second plunger
(26) the other end is arranged in the second lubricating cup (22), and the first lubricating cup (13) is connected to the first lubricating cup by lubricating cup fastener (34)
On installing plate (15), the second lubricating cup (22) is connected on the second lubricating cup installing plate (20) by lubricating cup fastener (34), the first oil
Cup pressure strip (14) one end is pressed on the first lubricating cup (13), and the other end is pressed by the first spring (12) and left swash plate support (11)
Tightly at the cylindrical place of left swash plate (7) endoporus, second lubricating cup pressure strip (21) one end is pressed on the second lubricating cup (22), and the other end leads to
Cross second spring (24) and right swash plate support (25) is pressed on the cylindrical place of right swash plate (27) endoporus, the first lubricating cup installing plate (15)
Other end be pressed on the first valve plate (16), the other end of the second lubricating cup installing plate (20) is pressed on the second valve plate
(19) on, the first valve plate (16), the second valve plate (19) are connected to oil clot (17) both sides, and right shell body is passed through with oil clot (17)
(23) position, right shell body (23) and left shell (8) connect into an one, and left shell is connected with left closure on the outside of (8)
(1) right closure (33), is connected with the outside of right shell body (23), right closure (33) is stretched out outside in the second drive shaft (28) termination；
Drum type spline (35) and spline (36) are machined with the drive shaft, swash plate and lubricating cup installing plate are connected respectively.
2. a kind of scattered many cup formula symmetric double sloping tray axial plunger pistons of center annular disk flow according to claim 1
Pump, it is characterised in that：Two oil inlet and outlet kidney slots are provided with described the first valve plate (16), the second valve plate (19),
In lubricating cup installing plate rotary course, two oil inlet and outlet kidney slots are connected with oil inlet and outlet respectively, coordinate the motion of piston shoes, are realized
The oil suction and oil extraction of pump.
3. a kind of scattered many cup formula symmetric double sloping tray axial plunger pistons of center annular disk flow according to claim 1
Pump, it is characterised in that：Described left swash plate (7) and right swash plate (27) and the first lubricating cup installing plate (15) of the left and right sides and
There is phase angle when mounted in two lubricating cup installing plates (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510810757.1A CN105370526B (en) | 2015-11-20 | 2015-11-20 | Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510810757.1A CN105370526B (en) | 2015-11-20 | 2015-11-20 | Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370526A CN105370526A (en) | 2016-03-02 |
| CN105370526B true CN105370526B (en) | 2017-09-12 |
Family
ID=55373045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510810757.1A Active CN105370526B (en) | 2015-11-20 | 2015-11-20 | Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370526B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263582B (en) * | 2021-12-16 | 2024-07-09 | 北京空天技术研究所 | Plunger structure and double-freedom-degree piston pump |
| CN114263584B (en) * | 2021-12-16 | 2024-07-09 | 北京空天技术研究所 | Tandem piston pump |
| CN116292262A (en) * | 2022-12-29 | 2023-06-23 | 北京空天技术研究所 | Cross torque transmission structure for piston pump and piston pump with same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128646A (en) * | 2005-05-20 | 2008-02-20 | 布鲁宁赫斯海诺马蒂克有限公司 | Hydrostatic piston engine based on the floating cup principle |
| DE102006012638A1 (en) * | 2005-07-21 | 2007-01-25 | Robert Bosch Gmbh | Hydrostatic piston machine according to the floating cup principle with contact surface on carrier plate |
| US20090274564A1 (en) * | 2008-04-30 | 2009-11-05 | Caterpillar Inc. | Floating cup pump having swashplate mounted cup elements |
| JP5876663B2 (en) * | 2011-03-29 | 2016-03-02 | Ｋｙｂ株式会社 | Opposite swash plate type piston pump / motor |
| CN102434415B (en) * | 2011-12-02 | 2014-09-03 | 浙江大学 | Low-noise axial plunger pump based on indexing angle of pumps in series |
| FR2987318B1 (en) * | 2012-02-24 | 2014-04-18 | Peugeot Citroen Automobiles Sa | COMPACT HYDRAULIC MODULE FOR HYDRID HYDRAULIC VEHICLE |
| CN204003305U (en) * | 2014-08-08 | 2014-12-10 | 博世力士乐（北京）液压有限公司 | Oil hydraulic pump and the hydraulic equipment with this oil hydraulic pump |
-
2015
- 2015-11-20 CN CN201510810757.1A patent/CN105370526B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370526A (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105370526B (en) | Scattered many cup formula symmetric double sloping tray axial plunger piston pumps of center annular disk flow | |
| US4781539A (en) | Shoe and swash plate lubricator for a swash plate type compressor | |
| JP2009529619A (en) | Axial plunger pump or motor | |
| CN104074709B (en) | Variable-displacement oblique tray type compressor | |
| CN103742378B (en) | A kind of radial plunger hydraulic pump adopting guiding valve flow | |
| CN101328890B (en) | Translation type rotary compressing device | |
| CN106837727A (en) | A kind of cam-type axial piston pump with porous media support pads | |
| CN102865206A (en) | High-speed pump | |
| CN101387295A (en) | Double cylinder translation rotating compressing device | |
| CN107781125B (en) | Float type two dimension double crosslinking piston pump | |
| US11371496B2 (en) | Eccentric sleeve for crankshaft of compressor, crankshaft, crankshaft assembly and compressor | |
| CN110985325A (en) | Axial plunger pump motor and engineering machinery | |
| US3067694A (en) | Piston pump | |
| CN103216406A (en) | Pump and motor all-in-one bulb stopper hydraulic pump capable of distributing oil by oil distribution disc | |
| US2073547A (en) | Pump | |
| CN101368564B (en) | Integral translational rotating compression device | |
| CN105089967B (en) | Two-way shaking tray compressor | |
| CN104500327A (en) | Axial plunger motor | |
| CN105332871B (en) | The cam-type axial piston pump of distributing cup-shaped cylinder body and roller bearings | |
| CN107795447B (en) | Entrance boosting type two dimension double crosslinking piston pump | |
| US3143973A (en) | Axial piston pump drive | |
| US1800929A (en) | Rotary engine and the like | |
| US9163620B2 (en) | Oil management system for a compressor | |
| KR101176638B1 (en) | Inscription type Ball-Piston Pump | |
| CN209212630U (en) | Compressor with compressor rotor braking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |