WO2008013162A1 - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- WO2008013162A1 WO2008013162A1 PCT/JP2007/064486 JP2007064486W WO2008013162A1 WO 2008013162 A1 WO2008013162 A1 WO 2008013162A1 JP 2007064486 W JP2007064486 W JP 2007064486W WO 2008013162 A1 WO2008013162 A1 WO 2008013162A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- cylinder bore
- drive shaft
- valve plate
- suction
- 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.)
- Ceased
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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1009—Distribution members
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
Definitions
- the present invention relates to a compressor.
- Japanese Unexamined Patent Application Publication No. 2005-163714 discloses a compressor.
- a bearing hole for supporting the drive shaft is formed at the center, and a circumferential interval is provided around the bearing hole.
- a cylinder block having a plurality of cylinder bores, a front nosing that is joined to the front end surface of the cylinder block to form a crank chamber therein, and a rear end surface of the cylinder block
- It is equipped with a rear housing that is joined via a valve plate to form a suction chamber and a discharge chamber.
- the valve plate is provided with a suction hole that communicates the cylinder bore and the suction chamber, and a discharge hole that communicates the cylinder bore and the discharge chamber.
- a reed valve type suction valve that opens and closes the suction hole is disposed on the cylinder bore side of the valve plate.
- a reed valve type discharge valve that opens and closes the discharge hole is disposed on the discharge chamber side of the valve plate.
- a piston is reciprocally disposed in the cylinder bore!
- the crank chamber is provided with a conversion mechanism that converts the rotation of the drive shaft into the reciprocating motion of the piston.
- the piston reciprocates in the cylinder bore.
- the piston reciprocates, the refrigerant is sucked into the cylinder bore from the suction chamber, and the sucked refrigerant is compressed in the cylinder bore and finally discharged from the cylinder bore to the discharge chamber.
- the cylinder bore after the compression stroke is not completely discharged and remains.
- the high-pressure residual gas is released to the cylinder bore whose pressure is lower than that of the cylinder bore.
- a communication hole extending in the radial direction is formed through the cylinder block so as to communicate with a bearing hole that is formed at the center of the cylinder block and supports the drive shaft and a cylinder bore.
- a groove or hole-like residual gas bypass passage is formed on the outer peripheral surface of the drive shaft.
- the residual gas bypass passage is formed after the discharge stroke of the plurality of communication holes is completed in accordance with the rotation of the drive shaft that communicates the cylinder bore after the discharge stroke and the cylinder bore having a pressure lower than the cylinder bore.
- a communication hole that communicates with the cylinder bore communicates with a communication hole that communicates with a cylinder bore having a lower pressure than the cylinder bore among the plurality of communication holes. Therefore, the high-pressure residual gas remaining in the cylinder bore at the end of the compression stroke can be released to the cylinder bore whose pressure is lower than that of the cylinder bore.
- the communication hole that communicates the bearing hole in the center of the cylinder block with the surrounding cylinder bore has a relatively large space area, so that residual gas that could not be escaped easily remains in the communication hole! / It is also a structure.
- the present invention was made based on such a conventional technique, and can maintain good sliding contact between the inner peripheral surface of the cylinder bore and the outer peripheral surface of the piston while providing a residual pressure relief passage.
- the purpose is to provide a compressor.
- One aspect of the present invention is a compressor, in which a cylinder block having a plurality of cylinder bores formed at circumferential intervals around a drive shaft, and a valve plate having a suction hole formed therethrough A housing which is joined to the cylinder block via the cylinder and forms a suction chamber therein, and a read valve type suction valve which is disposed on the cylinder bore side surface of the valve plate and which can open and close the suction hole.
- the valve block of the cylinder block A regulation step portion that is recessed in the periphery of the cylinder bore on the surface to which the seat is joined and defines the open limit position of the suction valve; and a reciprocatingly disposed in each cylinder bore and the drive shaft
- the piston is reciprocated in conjunction with the rotation of the piston and alternately performs a suction stroke and a discharge stroke in each cylinder bore, and is formed to penetrate the valve plate at a position facing the restriction step portion, and each cylinder bore and the suction stroke.
- FIG. 1 is a cross-sectional view of a compressor according to an embodiment of the present invention.
- Fig. 2 is an enlarged sectional view of the residual pressure relief mechanism of the compressor.
- FIG. 3 is an exploded perspective view illustrating a laminated structure of an intake valve plate, a valve plate, and a rotary valve of the compressor.
- FIG. 4 is an exploded perspective view for explaining a connecting structure of the valve plate, the stagger, and the coil spring of the residual pressure relief mechanism.
- Fig. 5 is a rear view of the valve plate.
- Fig. 6 is a cross-sectional view of SA-SA in Fig. 2 for explaining how the residual pressure relief passage and the communication hole communicate with each other when the rotary valve rotates. The figure which shows the state before communication.
- Fig. 7 is a cross-sectional view of SA-SA in Fig. 2 for explaining how the residual pressure relief passage and the communication hole communicate with each other when the rotary valve rotates. The figure which shows a communication state.
- FIG. 8 is a cross-sectional view of SA-SA in Fig. 2 for explaining how the residual pressure relief passage and the communication hole communicate with each other when the rotary valve rotates. The figure which shows the state after communication.
- FIG. 9 is a view showing a rotary valve in the compressor of the first modified example.
- FIG. 10 is a view showing a valve plate in the compressor of the second modified example.
- FIG. 11 is a view showing the structure of a valve plate and a rotary valve in a compressor of a third modified example.
- the compressor 1 of this embodiment is a swash plate type variable capacity compressor as shown in FIG.
- the compressor 1 includes a cylinder block 2 having a plurality of cylinder bores 3 arranged at equal intervals in the circumferential direction, and a crank chamber 5 joined to the front end face of the cylinder block 2 and communicating with the cylinder bore 3 inside.
- the front housing 4 is formed, and the rear housing 6 is joined to the rear end surface of the cylinder block 2 via a valve plate 9 and forms a suction chamber 7 and a discharge chamber 8 therein.
- the cylinder block 2, the front housing 4 and the rear housing 6 are fastened and fixed by a plurality of through bolts 13 to constitute a housing for the entire compressor.
- a gasket 53 is interposed between the valve plate 9 and the rear housing 6, and the airtightness of the suction chamber 7 and the discharge chamber 8 is maintained.
- a gasket 54 (see Fig. 2) is interposed between the valve plate 9 and the cylinder block 2 to keep the cylinder bore 3 sealed.
- the rev plate 9 is formed in a substantially disc shape.
- the valve plate 9 is formed with a suction hole 11 that communicates the cylinder bore 3 and the suction chamber 7 and a discharge hole 12 that communicates the cylinder bore 3 and the discharge chamber 8.
- a suction valve plate 55 having a reed valve type suction valve 57 that opens and closes the suction hole 11 in the suction chamber 7 (FIG. 3). Reference) is provided.
- a reed valve type discharge valve 63 that opens and closes the discharge hole 12 in the discharge chamber 8.
- a discharge valve plate 61 is provided.
- the suction valve plate 55 is formed of a thin plate having elasticity and flexibility (for example, a thin metal plate).
- the suction valve plate 55 is provided with a reed valve type suction valve 57 at a position corresponding to the suction hole 11.
- This suction valve 57 normally closes the suction hole 11, and when the pressure in the cylinder bore 3 decreases during the suction stroke and the differential pressure between the suction chamber 7 and the cylinder bore 3 exceeds a predetermined pressure, The suction hole 1 1 is opened due to stagnation.
- the open limit position of the intake valve 57 is a restriction step 59 recessed in the periphery of the cylinder bore 3 on the rear end surface of the cylinder block 2 (the surface to which the rear housing 6 of the cylinder block 2 is joined) (see FIG. 2). ) Is becoming regulated.
- the discharge valve plate 61 is formed of an elastic and flexible thin plate (for example, a metal thin plate) and is sandwiched between the valve plate 9 and the rear housing 6 as shown in FIG.
- the discharge valve plate 61 includes a reed valve type discharge valve 63 at a position corresponding to the discharge hole 12.
- the discharge valve 63 normally closes the discharge hole 12, and when the inside of the cylinder bore 3 exceeds a predetermined pressure during the compression stroke, the discharge hole 12 is deformed and opens the discharge hole 12.
- the open limit position of the discharge valve 63 is regulated by a strobe portion 65 provided in the gasket 53.
- annular grooves l lc and 12c are recessed around the suction hole 11 and the discharge hole 12, respectively.
- the drive shaft 10 is pivotally supported through the radial bearings 15 and 19 at the central through holes 14 and 18 in the center of the cylinder block 2 and the front housing 4, whereby the drive shaft 10 rotates in the crank chamber 5. It is free.
- a thrust bearing 20 is interposed between the front end surface of the rotor 21 fixed to the drive shaft 10 in the crank chamber 5 and the inner wall surface of the front housing 4.
- a thrust bearing 16 is interposed between the adjustment screw 17 fixed to the central through hole 14 of the cylinder block 2 and the step surface formed on the drive shaft 10. This restricts the movement of the drive shaft 10 in the axial direction.
- the conversion mechanism includes a rotor 21 as a rotary member fixed to the drive shaft 10, a rotary swash plate 24 that is slidable and tiltable in the axial direction with respect to the drive shaft 10, and a rotary swash plate 24.
- a coupling mechanism 40 that couples the rotor 21 and the rotary swash plate 24 so that the rotor 21 and the rotary swash plate 24 rotate integrally while allowing a change in tilt angle.
- a piston 29 is connected to the outer peripheral portion of the rotary swash plate 24 via a pair of hemispherical piston shrouds 30 and 30. When the rotary swash plate 24 rotates, the piston 29 reciprocates in the cylinder bore 3 according to the inclination angle of the rotary swash plate 24.
- the refrigerant in the suction chamber 7 is sucked into the cylinder bore 3 through the suction hole 11 of the valve plate 9, is compressed in the cylinder bore 3, and the compressed refrigerant is discharged into the discharge hole 12 of the valve plate 9. It is discharged to the discharge chamber 8 through.
- the piston stroke is changed by changing the inclination angle of the rotary swash plate 24. More specifically, the piston stroke is achieved by changing the tilt angle of the rotary swash plate 24 by the differential pressure (pressure balance) between the crank chamber pressure Pc on the rear surface side of the piston 29 and the suction chamber pressure Ps on the front surface side of the piston 29.
- this variable capacity compressor is provided with a pressure control mechanism.
- the pressure control mechanism includes an extraction passage (not shown) that connects the crank chamber 5 and the suction chamber 7, an air supply passage (not shown) that connects the crank chamber 5 and the discharge chamber 8, and the air supply passage. And a control valve 33 which is provided in the middle and controls the opening and closing of the air supply passage.
- the compressor 1 of the present embodiment includes a communication hole 83 (see FIGS. 2 and 3) formed through the valve plate 9 at a position corresponding to each cylinder bore 3, and the valve plug. And a residual pressure relief mechanism 70 (see FIG. 2) for communicating or blocking between the rate 9 communicating holes 83.
- the residual pressure relief mechanism 70 releases the high-pressure residual gas remaining without being discharged in the cylinder bore 3 after the discharge to the cylinder bore 3 having a pressure lower than that of the cylinder bore 3.
- the residual pressure relief mechanism 70 is provided on the rear surface side of the valve plate 9 (on the rear housing 6 side of the valve plate 9).
- the residual pressure relief mechanism 70 includes a rotary valve 71, a stopper 73, and an elastic member (in this example, a coil spring 75 as a spring member). Rotalino Noref, 71, Stotto 73, and Coinole spring 75 (Figs. 1 and 2 are also shown in FIG.
- the rotary valve 71 includes a cylindrical boss portion 71a and a substantially disc-shaped main body portion 71b projecting from the boss portion 71a toward the outer periphery.
- the box portion 71 a of the rotary valve 71 is fitted on the outer peripheral surface of the drive shaft 10 that extends through the central through-hole 81 of the valve plate 9 and extends to the suction chamber 7. Is slidable axially and circumferentially with respect to the drive shaft 10.
- the main body 71b of the rotary valve 71 has a groove-like residual pressure relief passage 71c extending in a substantially arc shape on the sliding contact surface with the rotary valve 71 (see FIGS. 2 to 4).
- the stopper 73 includes a cylindrical boss 73a and a disc-shaped flange 73b protruding from the boss 73a in the outer diameter direction.
- the boss 73a of the stopper 73 The drive shaft 10 is fixed to the axial end portion 10a by a bolt 77 as a fastening means, whereby the stopper 73 rotates integrally with the drive shaft 10.
- the axial end portion 10a of the drive shaft 10 is configured as a hexagonal fitting portion 10a, while the inner peripheral surface of the boss portion 73a of the stopper 73 is the fitting portion of the drive shaft. It is configured as a hexagonal fitting hole 73c that fits with 10a.
- the boss portion 73a force of the Stotto 73 is provided with a pair of arms 73d that project toward the boss portion 71a of the rotary valve 71.
- the arm 73d and the boss 73a of the rotary valve are provided with rotation transmitting surfaces 71e and 73e that face each other and transmit the rotation of the stopper 73 to the rotary valve 71.
- the rotary valve 71 rotates integrally with the drive shaft 10 via the stopper 73.
- a coil spring 75 is compressed and held between the flange 73 b of the stopper 73 and the main body 71 b of the rotary valve 71.
- the rotary valve 71 is always in close contact with the valve plate 9 while being urged.
- the valve plate 9 is provided with a communication hole 83 at a position facing the restriction step portion 59 of each cylinder bore 3.
- the residual pressure relief passage 71c includes an inlet portion 71f, an outlet portion 71h, and a connecting portion 71g that connects the inlet portion 71f and the outlet portion 71h.
- the communication hole 83 of the valve plate 9 is formed so as to penetrate from the bottom surface of the annular groove 1 l c around the suction hole 11!
- the compressor 1 of the present embodiment is formed through the valve plate 9 at a position facing the regulating step portion 59 of each cylinder bore 3, and a communication hole 83 that communicates each cylinder bore 3 and the suction chamber 7.
- a rotary valve 71 that rotates in synchronization with the rotation of the drive shaft 10 and rotates and slides in contact with the suction chamber side surface of the valve plate 9 at a position that covers the communication hole 83 of the valve plate 9.
- a residual pressure relief passage 71c formed in the valve 71 communicates with the communication hole 83 of the valve plate that communicates with the cylinder bore 3 that has finished discharging, and with the other cylinder bore 3 that has a lower pressure than the cylinder bore 3.
- the communication hole 83 is sequentially communicated with the rotation of the rotary valve 71.
- the high-pressure residual gas cylinder remaining in the cylinder bore 3 without being completely discharged during the compression stroke is transferred from the cylinder bore 3 (cylinder bore 3 at the initial stage of the suction stroke) to another cylinder bore 3 (with a lower pressure than the cylinder bore 3). It will escape to the cylinder bore 3) at the beginning or middle of the compression stroke. Therefore, the re-expansion of the high-pressure residual gas is reduced during the intake stroke, and the intake efficiency is improved.
- the communication hole 83 of the valve plate is formed through the valve plate 9, the bearing hole at the center of the cylinder block and the surrounding cylinder bores as in the prior art (for example, JP-A-2005-163714) Compared to a structure having a communication hole that communicates with each other, the space area of the communication hole 83 becomes smaller and sooner, so there is an advantage that the suction efficiency can be further improved.
- the communication hole 83 of the valve plate 9 described above is provided at a position facing the restriction step portion 59 in the valve plate 9, so that a space between the restriction step portion 59 and the valve plate 9 is provided.
- part 85 can be used as it is.
- the compressor 1 of the present embodiment has an annular groove recessed in the periphery of the suction hole 11 on the front surface of the valve plate 9 (the surface of the valve plate 9 on the cylinder bore 3 side)! 1 LC formed! / ⁇
- the suction groove 57 is easily opened by the annular groove 11c, and the suction efficiency is improved.
- the communication hole 83 is provided in the portion of the valve plate 9 where the annular groove 1 lc is formed, that is, because the communication hole 83 is provided in a thin portion of the valve plate 9.
- the length of the communication hole 83 is reduced. As the space area of the communication hole 83 is reduced and the dead volume is further reduced, the suction efficiency is further improved.
- valve plate 9 through which the drive shaft 10 penetrates to the suction chamber 7 is provided with the through-hole 81, and the rotary valve 71 is directly or indirectly in the suction chamber 7. Are coupled to the drive shaft 10 and rotate integrally with the drive shaft 10.
- the rotary valve 71 and the drive shaft 10 can be rotated synchronously with a simple configuration.
- the compressor 1 of the present embodiment includes a stopper 73 that is fixed to the drive shaft 10 in the suction chamber 7 and rotates integrally with the drive shaft 10, and the rotary valve 71 is connected to the drive shaft 10.
- the rotary valve 71 is connected to the stopper 73 so as to be slidable in the axial direction and relatively rotatable, and is slidable in the axial direction and not relatively rotatable. 10 and rotate together.
- the rotary valve 71 is urged toward the valve plate 9 by the elastic member 75 compressed and held between the stopper 73 and the rotary valve 71.
- the rotary valve 71 is securely attached to the valve plate 9.
- the high-pressure compressed medium compressed in the cylinder bore 3 is less likely to leak from the cylinder bore 3 ⁇ the suction hole 11 ⁇ the gap between the valve plate 9 and the rotary valve 71 ⁇ the suction chamber 7, thereby reducing the compression efficiency. Will improve.
- the communication hole 83 is a force formed through the bottom surface of the annular groove 1 lc that is recessed around the suction hole 11, as in the modification of the valve plate 9 shown in FIG.
- the communication hole 83 may be provided so as to protrude outward from the annular groove 11c.
- the internal space of the communication hole 83 is larger than that in the above-described embodiment, the same operational effects as in the above-described embodiment can be obtained.
- the force in which the cylinder bore 3 is 6 cylinders is the same as in the above-described embodiment even if the cylinder bore 3 has 5 cylinders or the number of other cylinders as in the modification shown in FIG. The effect is obtained.
- the rotary valve 71 is fitted to the drive shaft 10 so as to be slidable in the axial direction and relatively rotatable, and is slidable in the axial direction and relatively rotated with respect to the stagger 73.
- the rotary valve 71 rotates integrally with the drive shaft 10 while being slidable in the axial direction with respect to the drive shaft 10.
- the rotary valve 71 may be fitted to the drive shaft 10 so as not to be engaged with the stopper 73 but to be slidable in the axial direction and not relatively rotatable.
- the drive shaft 10 is provided with a non-circular slide guide portion having the same cross-sectional shape in the axial direction.
- the rotary valve 71 can be slid in the axial direction with respect to the drive shaft 10 and can be mounted so as not to be relatively rotatable. It is preferable that the slide guide part and the fitting hole be formed easily if the cross-sectional shape is a regular polygon (for example, regular hexagon) or a spline.
- a swash type swash plate (rotary swash plate 24) is used.
- a double type swash plate non-rotating swash plate
- a double type swash plate non-rotating swash plate
- a structure in which the swash plate 24 is attached to the force drive shaft 10 via a sleeve which is a structure in which the swash plate 24 is directly attached to the drive shaft 10, may be used.
- the coupling mechanism 40 is not limited to the configuration of the present embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07791218A EP2045465A1 (en) | 2006-07-26 | 2007-07-24 | Compressor |
| US12/374,947 US20100003145A1 (en) | 2006-07-26 | 2007-07-24 | Compressor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-203061 | 2006-07-26 | ||
| JP2006203061A JP2008031857A (ja) | 2006-07-26 | 2006-07-26 | 圧縮機 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008013162A1 true WO2008013162A1 (en) | 2008-01-31 |
Family
ID=38981473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2007/064486 Ceased WO2008013162A1 (en) | 2006-07-26 | 2007-07-24 | Compressor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100003145A1 (ja) |
| EP (1) | EP2045465A1 (ja) |
| JP (1) | JP2008031857A (ja) |
| KR (1) | KR20090031953A (ja) |
| CN (1) | CN101495751A (ja) |
| WO (1) | WO2008013162A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011085029A (ja) * | 2009-10-13 | 2011-04-28 | Calsonic Kansei Corp | 圧縮機 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10852040B2 (en) * | 2015-07-23 | 2020-12-01 | Korea Institute Of Machinery & Materials | Linear expander and cryogenic refrigeration system including the same |
| CN105952622B (zh) * | 2016-06-03 | 2018-07-27 | 江苏盈科汽车空调有限公司 | 一种弹片式阀板组件 |
| CN106168214A (zh) * | 2016-06-29 | 2016-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | 一种转缸增焓活塞压缩机及具有其的空调系统 |
| CN111794943B (zh) * | 2020-06-05 | 2021-11-12 | 广州万宝集团压缩机有限公司 | 一种压缩机缸头组件、压缩机和制冷设备 |
| KR20240067660A (ko) | 2022-11-09 | 2024-05-17 | 다함에이블 주식회사 | 공기 조화 시스템 |
| KR102690548B1 (ko) | 2022-11-09 | 2024-07-31 | 다함에이블 주식회사 | 압축기 제어장치 및 그 장치의 구동방법 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231310A (ja) * | 1992-02-21 | 1993-09-07 | Toyota Autom Loom Works Ltd | ピストン型圧縮機における冷媒ガス吸入構造 |
| JPH0861239A (ja) * | 1994-08-16 | 1996-03-08 | Toyota Autom Loom Works Ltd | ピストン型圧縮機における冷媒ガス吸入構造 |
| JP2002081381A (ja) * | 2000-06-20 | 2002-03-22 | Zexel Valeo Climate Control Corp | 往復式冷媒圧縮機 |
| JP2005163714A (ja) | 2003-12-04 | 2005-06-23 | Toyota Industries Corp | ピストン式圧縮機 |
-
2006
- 2006-07-26 JP JP2006203061A patent/JP2008031857A/ja not_active Withdrawn
-
2007
- 2007-07-24 EP EP07791218A patent/EP2045465A1/en not_active Withdrawn
- 2007-07-24 US US12/374,947 patent/US20100003145A1/en not_active Abandoned
- 2007-07-24 KR KR1020097003956A patent/KR20090031953A/ko not_active Withdrawn
- 2007-07-24 CN CNA2007800281304A patent/CN101495751A/zh active Pending
- 2007-07-24 WO PCT/JP2007/064486 patent/WO2008013162A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231310A (ja) * | 1992-02-21 | 1993-09-07 | Toyota Autom Loom Works Ltd | ピストン型圧縮機における冷媒ガス吸入構造 |
| JPH0861239A (ja) * | 1994-08-16 | 1996-03-08 | Toyota Autom Loom Works Ltd | ピストン型圧縮機における冷媒ガス吸入構造 |
| JP2002081381A (ja) * | 2000-06-20 | 2002-03-22 | Zexel Valeo Climate Control Corp | 往復式冷媒圧縮機 |
| JP2005163714A (ja) | 2003-12-04 | 2005-06-23 | Toyota Industries Corp | ピストン式圧縮機 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011085029A (ja) * | 2009-10-13 | 2011-04-28 | Calsonic Kansei Corp | 圧縮機 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2045465A1 (en) | 2009-04-08 |
| JP2008031857A (ja) | 2008-02-14 |
| CN101495751A (zh) | 2009-07-29 |
| KR20090031953A (ko) | 2009-03-30 |
| US20100003145A1 (en) | 2010-01-07 |
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