WO2006006523A1 - 可変容量斜板式圧縮機の容量制御弁 - Google Patents
可変容量斜板式圧縮機の容量制御弁 Download PDFInfo
- Publication number
- WO2006006523A1 WO2006006523A1 PCT/JP2005/012658 JP2005012658W WO2006006523A1 WO 2006006523 A1 WO2006006523 A1 WO 2006006523A1 JP 2005012658 W JP2005012658 W JP 2005012658W WO 2006006523 A1 WO2006006523 A1 WO 2006006523A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- hole
- control valve
- swash plate
- capacity control
- Prior art date
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
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
-
- 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
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
-
- 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
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/184—Valve controlling parameter
- F04B2027/1854—External parameters
Definitions
- the present invention relates to a capacity control valve for a variable capacity swash plate compressor, and more particularly to a capacity control valve built in a variable capacity swash plate compressor suitable for use in a refrigeration cycle of a vehicle air conditioner.
- Patent Document 1 discloses a capacity control valve including a valve hole that is always in communication with a crank chamber, a valve body that opens and closes the valve hole, and an electromagnetic solenoid that drives the valve body.
- the force F applied to the valve body when the valve is closed is expressed by the following equation (1).
- the following equation (1) assumes that the crank chamber pressure drops to approximately the same as the suction pressure when the valve is closed.
- Patent Document 1 JP-A-7-286581
- the capacity control valve disclosed in Patent Document 1 has the following problems.
- the pressure difference between the discharge pressure Pd and the suction pressure Ps biases the valve body in the closing direction, so in order to demagnetize the electromagnetic solenoid and force the valve body to open, the electromagnetic solenoid It is necessary to set the energizing force fs of the open panel of the door to (Pd—Ps) Sv + fs ⁇ or more.
- the electromagnetic solenoid In order to forcibly open the valve body in the region where the discharge pressure Pd is high, it is necessary to use an open panel with a large panel force fs, and the electromagnetic solenoid is excited to move against the panel force fs of the open panel.
- In order to absorb the iron core I it is necessary to generate a large electromagnetic force, which increases the size of the electromagnetic solenoid.
- an object of the present invention is to provide a capacity control valve of a variable capacity swash plate compressor that can be made smaller than the capacity control valve disclosed in Patent Document 1. .
- the capacity control valve of the variable capacity swash plate compressor opens and closes the communication path between the discharge chamber and the crank chamber of the variable capacity swash plate compressor.
- a displacement control valve for a variable capacity swash plate compressor that controls a discharge capacity of the machine wherein the valve hole is formed in the communication passage and is always in communication with the discharge chamber, and a valve body that opens and closes the valve hole,
- a pressure sensing chamber for introducing the suction pressure of the compressor or the crank chamber pressure at the end of the door opposite to the valve body.
- Sv Valve hole cross-sectional area
- Sr Support rod cross-sectional area
- the force fs of the opening panel of the electromagnetic solenoid is set to (Pd—Ps) X (Sv — Sr) More than that.
- This panel force (Pd ⁇ Ps) X (Sv ⁇ Sr) is clearly smaller than the panel force (Pd ⁇ Ps) Sv + fs ′ required for the displacement control valve of Patent Document 1 described above. Therefore, the capacity control valve according to the present invention can be downsized compared to the capacity control valve of Patent Document 1.
- the cross-sectional area of the valve hole is set to be substantially the same as the cross-sectional area of the support rod and larger than the cross-sectional area of the support rod.
- the cross-sectional area of the valve hole is set to be approximately the same as the cross-sectional area of the support rod and larger than the cross-sectional area of the support rod, the discharge pressure acts in the valve opening direction when the valve is closed. Therefore, if the electromagnetic solenoid is demagnetized, the valve element is reliably opened by the urging force of the opening panel.
- a contact portion of the valve hole with the valve body is formed of a hard material.
- the valve hole and the support hole are integrally formed of a hard material.
- a hard material wear of the valve seat due to repeated contact of the valve body and wear of the support hole due to repeated sliding of the support rod are suppressed.
- integrally forming the valve hole and the support hole the structure of the capacity control valve is simplified compared to the case where the valve hole and the support hole are formed separately.
- the valve hole and the support hole are formed, and the valve housing that houses the valve body and the support rod is formed of a resin or an aluminum alloy. Is preferred. By thus forming the valve housing from resin or aluminum alloy, the capacity control valve is reduced in weight.
- the valve body is forcibly opened. Therefore, the force of the open panel of the electromagnetic solenoid required for the operation can be made smaller than the force of the open panel required for the capacity control valve of Patent Document 1 described above. Therefore, the capacity control valve according to the present invention can be downsized as compared with the capacity control valve of Patent Document 1.
- FIG. 1 is a longitudinal sectional view of a variable capacity swash plate compressor including a capacity control valve according to a first embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view of the capacity control valve according to the first embodiment, FIG. 2 (A) shows a closed state, and FIG. 2 (B) shows a valve opened state.
- FIG. 3 is a longitudinal sectional view of a displacement control valve according to a modification of the first embodiment
- FIG. 3 (A) is a longitudinal sectional view of the entire displacement control valve
- FIG. 3 (B) is an enlarged partial longitudinal section thereof.
- FIG. 4 is a longitudinal sectional view of a displacement control valve according to another modification of the first embodiment
- FIG. 4 (A) is a longitudinal sectional view of the entire displacement control valve
- FIG. 4 (B) is an enlarged view thereof. It is a partial longitudinal cross-sectional view.
- FIG. 5 is a longitudinal sectional view of a capacity control valve according to a second embodiment of the present invention.
- FIG. 5 (A) shows a closed state
- FIG. 5 (B) shows an opened state.
- the variable capacity swash plate compressor 1 includes a main shaft 10, a rotor 11 fixed to the main shaft 10, and a swash plate 12 supported on the main shaft 10 so that the tilt angle is variable.
- the swash plate 12 is connected to the rotor 11 via a link mechanism 13 that allows the inclination angle of the swash plate 12 to be changed, and rotates in synchronization with the rotor 11 and the main shaft 10.
- the piston 15 is engaged with the swash plate 12 via a pair of slides 14 that are in sliding contact with the outer peripheral edge of the swash plate 12.
- the piston 15 is inserted into a cylinder bore 16a formed in the cylinder block 16 !.
- a plurality of pistons 15 are arranged around the main shaft 10 at intervals in the circumferential direction.
- a crank chamber 17 that houses the main shaft 10, the rotor 11, and the swash plate 12 is formed by a cylinder block 16 and a dish-shaped front housing 18.
- the main shaft 10 extends through the front housing 18 to the outside.
- a shaft sealing member 19 for sealing the front housing penetrating portion of the main shaft 10 is disposed in the front housing 18.
- a pulley 20 is fixed to the tip of the main shaft 10.
- the pulley 20 is connected to a vehicle engine (not shown) via a belt (not shown), for example.
- a cylinder head 23 that forms a suction chamber 21 and a discharge chamber 22 is disposed at a position opposite to the front housing 18 of the cylinder block 16.
- the suction chamber 21 is connected to an external circuit, for example, an evaporator (not shown) provided in the refrigeration cycle of the vehicle air conditioner via a suction port (not shown).
- the discharge chamber 22 is connected to an external circuit, for example, a condenser (not shown) provided in a refrigeration cycle of a vehicle air conditioner via a discharge port (not shown).
- a valve plate 24 in which la and a discharge port 22a are formed is disposed.
- a discharge valve and a suction valve are mounted on the valve plate 24 (not shown).
- the crank chamber 17 and the suction chamber 21 communicate with each other through an orifice hole 24 a formed in the valve plate 24.
- the front housing 18, the cylinder block 16, the valve plate 24, and the cylinder head 23 are integrated by a plurality of through bolts 25 that are spaced apart from each other along a circumference centered on the main shaft 10. It is concluded.
- a capacity control valve 2 for controlling the discharge capacity of the variable capacity swash plate compressor 1 is fitted and fixed in a recess 26 formed in the cylinder head 23 adjacent to the discharge chamber 22.
- the displacement control valve 2 includes a valve unit 100 and an electromagnetic solenoid 120 connected to the valve unit 100.
- the valve unit 100 has a cylindrical valve housing 101.
- the valve housing is composed of two O-rings 101a and 101b that are tightly fitted to the outer peripheral surface of the valve housing 101 and one O-ring 120a that is tightly fitted to the outer peripheral surface of the solenoid solenoid 120 case. Three closed spaces 27a, 27b, and 27c are formed around 101.
- the valve housing 101 is formed with a transverse partition wall 104 that divides the internal space of the valve housing 101 into a pressure-sensitive chamber 102 on one end side and a valve chamber 103 on the other end side.
- the transverse partition wall 104 is formed with a support hole 105 communicating with the pressure sensitive chamber 102 and a valve hole 106 communicating with the valve chamber 103.
- the support hole 105 and the valve hole 106 are disposed coaxially and communicate with each other.
- a communication hole 107 is formed in the horizontal partition wall 104 so as to pass through the horizontal partition wall 104 in the radial direction through the communication portion between the support hole 105 and the valve hole 106.
- the pressure sensing chamber 102 communicates with the suction chamber 21 via a closed space 27a and a communication passage 23a formed in the cylinder head 23.
- the communication hole 107 communicates with the discharge chamber 22 through a closed space 27b and a communication passage 23b formed in the cylinder head 23.
- the valve hole 106 communicating with the communication hole 107 is always in communication with the discharge chamber 22.
- the valve chamber 103 is connected via a communication hole 108 formed in the valve housing 101, a closed space 27c, a communication path 23c formed in the cylinder head 23, and a communication path 16b formed in the cylinder block 16. It communicates with the crank chamber 17.
- valve body 109 that opens and closes the valve hole 106 is disposed in the valve chamber 103. From valve body 109 A small-diameter rod 110 that extends is passed through the valve hole 106 so as to be freely movable. A support rod 111 integrally formed at the end of the small diameter rod 110 is slidably inserted into the support hole 105.
- the valve unit 100 is formed by a series of structures from the valve housing 101 to the support rod 111.
- the electromagnetic solenoid 120 includes a case 121.
- the end of the valve housing 101 on the valve chamber 103 side is press-fitted and fixed to one end of the case 121.
- the O-ring 120a that forms the closed space 27c is fitted to the outer peripheral surface on one end side of the case 121.
- the electromagnetic solenoid 120 includes a fixed iron core 122 disposed in the case 121, a movable iron core 123 disposed with one end facing the one end of the fixed iron core 122, and the movable iron core 123 from the fixed iron core. It has an open panel 124 that urges in a separating direction, an electromagnetic coil 125 that surrounds the fixed iron core 122 and the movable iron core 123, and a rod 126 that extends freely from the movable iron core 123 through the fixed iron core 122. ing. This rod 126 is integrated with the valve body 109.
- the rod through hole formed in the fixed iron core 122 and the accommodating space of the movable iron core 123 communicate with the valve chamber 103 and have the same pressure as the valve chamber 103.
- the orifice passage 24a has a sufficient area to discharge blow-by gas that leaks from the cylinder bore 16a to the crank chamber 17 to the suction chamber 21 when the piston 15 compresses the refrigerant gas in the cylinder bore 16a.
- Crank chamber pressure gradually decreases.
- the crank chamber pressure decreases, the swash plate tilt angle increases and the discharge capacity of the variable capacity swash plate compressor 1 increases.
- variable capacity swash plate compressor 1 is variably controlled by the excitation and demagnetization of the electromagnetic solenoid 120.
- the following equation (2) is based on the premise that the internal pressure of the crank chamber 17 decreases to substantially the same pressure as the suction pressure when the valve is closed, and that the internal pressure of the valve chamber 103 is also applied around the movable core 123.
- the force fs of the electromagnetic solenoid opening panel 124 is set to (Pd-Ps) X (Sv-Sr).
- the above-mentioned panel force (Pd-Ps) X (Sv-Sr), which should be set above, is equal to the panel force (Pd-Ps) Sv + fs' required by the capacity control valve of Patent Document 1 described above.
- the capacity control valve 2 can be reduced in size as compared with the capacity control valve disclosed in Patent Document 1 by using the open panel 124 having a small size.
- the pressure sensing chamber 102 may be communicated with the crank chamber 17.
- valve hole cross-sectional area Sv is almost the same as the support rod cross-sectional area Sr and the support rod breakage It is desirable to set it to the area Sr or more.
- the discharge pressure Pd works in the valve opening direction when the valve is closed. Therefore, if the electromagnetic solenoid 120 is demagnetized, the valve element 109 is reliably opened by the urging force of the opening panel 124.
- an annular member 112 that is also made of, for example, a stainless steel material as a hard material is press-fitted and fixed to the transverse partition wall 104, and the annular member A contact portion of the valve hole 106 with the valve body 109 may be formed by 112.
- FIG. 4 another modified example is shown in which an annular member 113 made of a stainless steel material having a through-hole 113a communicating with the communication hole 107 formed in the peripheral wall is press-fitted and fixed to the transverse partition wall 104,
- the hole 106 and the support hole 105 may be integrally formed.
- wear of the valve seat due to repeated contact of the valve body 109 and wear of the support hole 105 due to repeated sliding of the support rod 111 Are suppressed.
- integrally forming the valve hole 106 and the support hole 105 with the annular member 113 the structure of the capacity control valve 2 is simplified compared to the case where both are formed separately.
- valve housing 101 may be formed of a resin or an aluminum alloy.
- the capacity control valve 2 is reduced in weight.
- FIG. 5 shows a capacity control valve of a variable capacity swash plate compressor according to a second embodiment of the present invention.
- the capacity control valve 3 includes a valve part 200 and an electromagnetic solenoid 220 connected to the valve part 200.
- the valve unit 200 has a cylindrical valve housing 201.
- Two O-rings 201a and 201b that fit tightly to the outer peripheral surface of the valve housing 201 and one O-ring 220a that tightly fits to the outer peripheral surface of the case of the electromagnetic solenoid 220
- Three closed spaces 27d, 27e, and 27f are formed around it.
- a lateral partition wall 204 that divides the internal space of the valve housing 201 into a valve chamber 202 on one end side and a pressure-sensitive chamber 203 on the other end side is formed in the valve housing 201.
- a valve hole 205 communicating with the pressure sensing chamber 203 and a support hole 206 communicating with the pressure sensing chamber 203 are formed in valve chamber 202 in transverse bulkhead 204.
- the valve hole 205 and the support hole 206 are arranged coaxially and communicate with each other.
- a communication hole 207 is formed in the horizontal partition wall 204 so as to pass through the horizontal partition wall 104 in the radial direction through the communication portion between the valve hole 205 and the support hole 206.
- the pressure sensing chamber 203 is connected to the suction chamber 21 or the crank chamber 17 through a communication hole 208 formed in the valve housing 201, a closed space 27d, and a communication passage (not shown) formed in the cylinder head 23.
- Communicating with The communication hole 207 communicates with the discharge chamber 22 via a closed space 27e and a communication passage 23b formed in the cylinder head 23.
- a valve hole 205 communicating with the communication hole 207 is always in communication with the discharge chamber 22.
- the valve chamber 202 communicates with the crank chamber 17 through a closed space 27f, a communication path (not shown) formed in the cylinder head 23, and a communication path (not shown) formed in the cylinder block 16.
- a valve element 209 that opens and closes the valve hole 205 is disposed in the valve chamber 202.
- a small-diameter rod 210 extending from the valve body 209 is passed through the valve hole 205 so as to be freely movable.
- a support rod 211 integrally formed at the end of the small-diameter rod 210 is slidably inserted into the support hole 206 !.
- the valve unit 200 is formed by a series of structures from the valve housing 201 to the support rod 211.
- the electromagnetic solenoid 220 includes a case 221.
- the end of the valve housing 201 on the pressure sensing chamber 203 side is press-fitted and fixed to one end of the case 221.
- the O-ring 220a that forms the closed space 27d is fitted to the outer peripheral surface of one end of the case 221.
- the electromagnetic solenoid 220 includes a fixed iron core 222 disposed in the case 221, a movable iron core 223 arranged with one end facing the one end of the fixed iron core 222, and the movable iron core 223 from the fixed iron core. It has an open panel 224 that urges in the direction of separation, an electromagnetic coil 225 that surrounds the fixed iron core 222 and the movable iron core 223, and a rod 226 that extends from the movable iron core 223.
- This rod 226 is integrated with the support rod 211.
- a space that accommodates the movable iron core 223 that forms one end of the support rod 211 on the side separated from the valve body 209 via the rod 226 communicates with the pressure sensing chamber 203. Accordingly, the internal pressure of the pressure sensing chamber 203, that is, the suction pressure or the crank chamber pressure is applied to the movable iron core 223.
- the force F acting on the valve element 209 when the valve is closed is the same as that according to the first embodiment.
- the capacity control valve 3 can be downsized using the open panel 224 having a small size compared to the capacity control valve of Patent Document 1 described above.
- the present invention can be widely used for a capacity control valve of a variable capacity swash plate compressor.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/571,885 US20070280835A1 (en) | 2004-07-13 | 2005-07-08 | Displacement Control Valve of Variable Displacement Inclined Plate-Type Compressor |
EP05758312.2A EP1777412B1 (en) | 2004-07-13 | 2005-07-08 | Capacity control valve for variable displacement swash plate type compressor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-206351 | 2004-07-13 | ||
JP2004206351A JP2006029144A (ja) | 2004-07-13 | 2004-07-13 | 可変容量斜板式圧縮機の容量制御弁 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006006523A1 true WO2006006523A1 (ja) | 2006-01-19 |
Family
ID=35783866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/012658 WO2006006523A1 (ja) | 2004-07-13 | 2005-07-08 | 可変容量斜板式圧縮機の容量制御弁 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070280835A1 (ja) |
EP (1) | EP1777412B1 (ja) |
JP (1) | JP2006029144A (ja) |
WO (1) | WO2006006523A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006083837A (ja) * | 2004-08-19 | 2006-03-30 | Tgk Co Ltd | 可変容量圧縮機用制御弁 |
JP4606352B2 (ja) * | 2006-03-10 | 2011-01-05 | サンデン株式会社 | 可変容量圧縮機用吐出容量制御弁の製造方法 |
JP2008038856A (ja) * | 2006-08-10 | 2008-02-21 | Toyota Industries Corp | 可変容量型圧縮機用制御弁 |
DE112009000205A5 (de) * | 2008-02-27 | 2010-12-16 | Ixetic Mac Gmbh | Kältemittelverdichter |
DE102014206952A1 (de) | 2014-04-10 | 2015-10-15 | Magna Powertrain Bad Homburg GmbH | Verdichter mit elektrischer Regelung und mechanischem Zusatzventil |
JP2016020682A (ja) * | 2014-06-19 | 2016-02-04 | 株式会社テージーケー | 可変容量圧縮機用制御弁 |
JP6141930B2 (ja) * | 2015-09-16 | 2017-06-07 | 株式会社豊田自動織機 | 容量制御弁 |
Citations (4)
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JP2000346219A (ja) * | 1999-06-07 | 2000-12-15 | Toyota Autom Loom Works Ltd | 逆止弁及びその製造方法 |
JP2004003468A (ja) * | 2002-04-25 | 2004-01-08 | Sanden Corp | 容量制御弁を有する可変容量圧縮機 |
JP2004116407A (ja) * | 2002-09-26 | 2004-04-15 | Eagle Ind Co Ltd | 容量制御弁及びその制御方法 |
JP2004162640A (ja) * | 2002-11-14 | 2004-06-10 | Toyota Industries Corp | 容量可変型圧縮機の制御弁 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59167973U (ja) * | 1983-04-27 | 1984-11-10 | 株式会社豊田自動織機製作所 | 可変容量形斜板式圧縮機における吐出通路の開閉機構 |
JP2000257552A (ja) * | 1999-03-04 | 2000-09-19 | Toyota Autom Loom Works Ltd | 可変容量圧縮機における制御弁の取付構造 |
US6352416B1 (en) * | 1999-03-15 | 2002-03-05 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Device and method for controlling displacement of variable displacement compressor |
JP2000265948A (ja) * | 1999-03-15 | 2000-09-26 | Toyota Autom Loom Works Ltd | 可変容量型圧縮機 |
JP3963619B2 (ja) * | 1999-11-05 | 2007-08-22 | 株式会社テージーケー | 冷凍サイクルの圧縮容量制御装置 |
JP2001132632A (ja) * | 1999-11-10 | 2001-05-18 | Toyota Autom Loom Works Ltd | 容量可変型圧縮機の制御弁 |
JP2001165055A (ja) * | 1999-12-09 | 2001-06-19 | Toyota Autom Loom Works Ltd | 制御弁及び容量可変型圧縮機 |
JP2002021720A (ja) * | 2000-07-06 | 2002-01-23 | Toyota Industries Corp | 容量可変型圧縮機の制御弁 |
JP2002054561A (ja) * | 2000-08-08 | 2002-02-20 | Toyota Industries Corp | 容量可変型圧縮機の制御弁及び容量可変型圧縮機 |
JP2002327686A (ja) * | 2001-04-27 | 2002-11-15 | Toyota Industries Corp | 車両用空調装置及び内燃機関のアイドル回転速度制御装置 |
JP3943871B2 (ja) * | 2001-07-25 | 2007-07-11 | 株式会社テージーケー | 可変容量圧縮機および可変容量圧縮機用容量制御弁 |
JP4246975B2 (ja) * | 2002-02-04 | 2009-04-02 | イーグル工業株式会社 | 容量制御弁 |
DE10318626A1 (de) * | 2002-04-25 | 2003-11-13 | Sanden Corp | Kompressor variabler Kapazität |
-
2004
- 2004-07-13 JP JP2004206351A patent/JP2006029144A/ja active Pending
-
2005
- 2005-07-08 EP EP05758312.2A patent/EP1777412B1/en not_active Expired - Fee Related
- 2005-07-08 WO PCT/JP2005/012658 patent/WO2006006523A1/ja not_active Application Discontinuation
- 2005-07-08 US US11/571,885 patent/US20070280835A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000346219A (ja) * | 1999-06-07 | 2000-12-15 | Toyota Autom Loom Works Ltd | 逆止弁及びその製造方法 |
JP2004003468A (ja) * | 2002-04-25 | 2004-01-08 | Sanden Corp | 容量制御弁を有する可変容量圧縮機 |
JP2004116407A (ja) * | 2002-09-26 | 2004-04-15 | Eagle Ind Co Ltd | 容量制御弁及びその制御方法 |
JP2004162640A (ja) * | 2002-11-14 | 2004-06-10 | Toyota Industries Corp | 容量可変型圧縮機の制御弁 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1777412A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1777412A4 (en) | 2007-12-26 |
US20070280835A1 (en) | 2007-12-06 |
EP1777412B1 (en) | 2013-06-19 |
EP1777412A1 (en) | 2007-04-25 |
JP2006029144A (ja) | 2006-02-02 |
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