EP2784320A3 - Control valve for variable displacement compressor - Google Patents

Control valve for variable displacement compressor Download PDF

Info

Publication number
EP2784320A3
EP2784320A3 EP14160650.9A EP14160650A EP2784320A3 EP 2784320 A3 EP2784320 A3 EP 2784320A3 EP 14160650 A EP14160650 A EP 14160650A EP 2784320 A3 EP2784320 A3 EP 2784320A3
Authority
EP
European Patent Office
Prior art keywords
valve
sub
main valve
main
control valve
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.)
Granted
Application number
EP14160650.9A
Other languages
German (de)
French (fr)
Other versions
EP2784320A2 (en
EP2784320B1 (en
Inventor
Masaaki Tonegawa
Hidekazu Sakakibara
Ryouta Sugamura
Shinji Saeki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TGK Co Ltd
Original Assignee
TGK Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TGK Co Ltd filed Critical TGK Co Ltd
Publication of EP2784320A2 publication Critical patent/EP2784320A2/en
Publication of EP2784320A3 publication Critical patent/EP2784320A3/en
Application granted granted Critical
Publication of EP2784320B1 publication Critical patent/EP2784320B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04B2027/1809—Controlled pressure
    • F04B2027/1813—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
    • F04B2027/1822—Valve-controlled fluid connection
    • F04B2027/1831—Valve-controlled fluid connection between crankcase and suction 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
    • F04B2027/1863—Controlled by crankcase pressure with an auxiliary valve, controlled by
    • F04B2027/1877—External parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

A control valve according to one embodiment includes a body having a main passage communicating a discharge chamber with a crankcase and a sub-passage communicating the crankcase with a suction chamber, a main valve provided in the main valve passage, a sub-valve provided in the sub-passage, a power element for receiving the suction pressure of the suction chamber and generating a drive force exerted in an opening direction of the main valve in accordance with the magnitude of the suction pressure, and a solenoid for generating a drive force in a closing direction of the main valve in accordance with the amount of current supplied. The control valve is configured such that the sub-valve remains closed when the main valve is controlled and such that the sub-valve is opened after the main valve is closed. Also, a change in the area of opening of the sub-valve relative to the uplift amount of the sub-valve element from the sub-valve seat is larger than that of the main valve relative to the uplift amount of the main valve element from the main valve seat.
EP14160650.9A 2013-03-27 2014-03-19 Control valve for variable displacement compressor Active EP2784320B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013066787A JP6103586B2 (en) 2013-03-27 2013-03-27 Control valve for variable capacity compressor

Publications (3)

Publication Number Publication Date
EP2784320A2 EP2784320A2 (en) 2014-10-01
EP2784320A3 true EP2784320A3 (en) 2016-07-27
EP2784320B1 EP2784320B1 (en) 2019-08-07

Family

ID=50289544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14160650.9A Active EP2784320B1 (en) 2013-03-27 2014-03-19 Control valve for variable displacement compressor

Country Status (3)

Country Link
EP (1) EP2784320B1 (en)
JP (1) JP6103586B2 (en)
KR (1) KR102129731B1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014218525B4 (en) 2014-09-16 2016-10-13 Te Connectivity Germany Gmbh Electric control valve for an air conditioning compressor with a sensor for determining the position of the control piston
JP6500183B2 (en) 2015-04-02 2019-04-17 株式会社テージーケー Control valve for variable displacement compressor
JP6500184B2 (en) * 2016-02-25 2019-04-17 株式会社テージーケー Control valve for variable displacement compressor
JP6714274B2 (en) * 2016-06-13 2020-06-24 株式会社テージーケー Control valve for variable capacity compressor
EP3505758B1 (en) * 2016-08-29 2021-03-03 Eagle Industry Co., Ltd. Capacity control valve
JP6760176B2 (en) * 2017-03-29 2020-09-23 株式会社豊田自動織機 Compressor
EP3734067B1 (en) * 2017-12-27 2022-10-26 Eagle Industry Co., Ltd. Capacity control valve
EP3734070B1 (en) * 2017-12-27 2024-03-20 Eagle Industry Co., Ltd. Capacity control valve
EP3744978B1 (en) * 2018-01-26 2023-11-15 Eagle Industry Co., Ltd. Capacity control valve
KR20190092234A (en) * 2018-01-29 2019-08-07 한온시스템 주식회사 Control system for a compressor, electronic control valve for the same, and compressor with the same
CN111712638B (en) 2018-02-15 2022-05-03 伊格尔工业股份有限公司 Capacity control valve
US11319940B2 (en) 2018-02-15 2022-05-03 Eagle Industry Co., Ltd. Capacity control valve
JP7139084B2 (en) * 2018-02-27 2022-09-20 イーグル工業株式会社 capacity control valve
EP3816439B1 (en) 2018-05-23 2024-02-14 Eagle Industry Co., Ltd. Capacity control valve
EP3822482B1 (en) 2018-07-12 2023-08-16 Eagle Industry Co., Ltd. Capacity control valve
JP7220962B2 (en) 2018-07-12 2023-02-13 イーグル工業株式会社 capacity control valve
US11994120B2 (en) 2018-07-12 2024-05-28 Eagle Industry Co., Ltd. Capacity control valve
CN112424473B (en) 2018-07-13 2023-02-28 伊格尔工业股份有限公司 Capacity control valve
CN112513461B (en) 2018-08-08 2022-12-23 伊格尔工业股份有限公司 Capacity control valve
CN112513460B (en) 2018-08-08 2023-04-28 伊格尔工业股份有限公司 Capacity control valve
JP7387237B2 (en) 2018-08-08 2023-11-28 イーグル工業株式会社 capacity control valve
US11378194B2 (en) 2018-11-07 2022-07-05 Eagle Industry Co., Ltd. Capacity control valve
WO2020116435A1 (en) 2018-12-04 2020-06-11 イーグル工業株式会社 Displacement control valve
KR102603184B1 (en) 2018-12-04 2023-11-16 이구루코교 가부시기가이샤 capacity control valve
CN113474554B (en) 2019-03-01 2023-04-14 伊格尔工业股份有限公司 Capacity control valve
JP7358022B2 (en) 2019-04-03 2023-10-10 イーグル工業株式会社 capacity control valve
CN113661324B (en) 2019-04-03 2023-06-06 伊格尔工业股份有限公司 Capacity control valve
JP7383362B2 (en) 2019-07-12 2023-11-20 イーグル工業株式会社 capacity control valve
JP7337453B2 (en) * 2019-07-17 2023-09-04 イーグル工業株式会社 capacity control valve
EP4141259A4 (en) 2020-04-23 2024-04-10 Eagle Industry Co., Ltd. Capacity control valve
US12110882B2 (en) 2020-05-25 2024-10-08 Eagle Industry Co., Ltd. Capacity control valve
CN115667718A (en) 2020-05-25 2023-01-31 伊格尔工业股份有限公司 Capacity control valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19733099A1 (en) * 1996-07-31 1998-02-12 Toyoda Automatic Loom Works Single control valve for variable stroke air-conditioner compressor for vehicle
US20030223884A1 (en) * 2002-06-04 2003-12-04 Tgk Co., Ltd., Capacity control valve for variable displacement compressor
JP2008240580A (en) * 2007-03-26 2008-10-09 Tgk Co Ltd Control valve for variable capacity compressor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4149558B2 (en) * 1998-03-27 2008-09-10 サンデン株式会社 Volume control valve for variable capacity compressor
JPWO2004046549A1 (en) * 2002-11-19 2006-03-16 株式会社ヴァレオサーマルシステムズ Control unit for variable capacity compressor
JP4436295B2 (en) * 2005-08-29 2010-03-24 サンデン株式会社 Variable capacity compressor
JP4599327B2 (en) * 2006-05-23 2010-12-15 サンデン株式会社 Variable capacity compressor
JP4861956B2 (en) 2007-10-24 2012-01-25 株式会社豊田自動織機 Capacity control valve in variable capacity compressor
CN102792025B (en) * 2010-03-16 2015-03-04 伊格尔工业股份有限公司 Volume control valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19733099A1 (en) * 1996-07-31 1998-02-12 Toyoda Automatic Loom Works Single control valve for variable stroke air-conditioner compressor for vehicle
US20030223884A1 (en) * 2002-06-04 2003-12-04 Tgk Co., Ltd., Capacity control valve for variable displacement compressor
JP2008240580A (en) * 2007-03-26 2008-10-09 Tgk Co Ltd Control valve for variable capacity compressor

Also Published As

Publication number Publication date
JP6103586B2 (en) 2017-03-29
EP2784320A2 (en) 2014-10-01
KR102129731B1 (en) 2020-07-03
KR20140118808A (en) 2014-10-08
EP2784320B1 (en) 2019-08-07
JP2014190247A (en) 2014-10-06

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