WO2009004760A1 - Electric valve, and freezing device - Google Patents

Electric valve, and freezing device Download PDF

Info

Publication number
WO2009004760A1
WO2009004760A1 PCT/JP2008/001477 JP2008001477W WO2009004760A1 WO 2009004760 A1 WO2009004760 A1 WO 2009004760A1 JP 2008001477 W JP2008001477 W JP 2008001477W WO 2009004760 A1 WO2009004760 A1 WO 2009004760A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
electric valve
displacement portion
freezing device
confronts
Prior art date
Application number
PCT/JP2008/001477
Other languages
French (fr)
Japanese (ja)
Inventor
Makoto Kojima
Takayuki Setoguchi
Original Assignee
Daikin Industries, 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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2009004760A1 publication Critical patent/WO2009004760A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
    • F16K31/1268—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like with a plurality of the diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

In a displacement enlarging mechanism (60), a first displacement portion (48) to be pushed by a drive source (50) closes one end side of a first chamber (71), in which a liquid is confined. The other end side of a second chamber (72) to communicate with the first chamber (71) is closed by a second displacement portion (62c), which is displaced to hold a valve member (65). The area (S2) of that face of the second displacement portion (62c), which confronts the side of the second chamber (72), is made smaller than the area (S1) of that face of the first displacement portion (48), which confronts the side of the first chamber (71).
PCT/JP2008/001477 2007-07-02 2008-06-10 Electric valve, and freezing device WO2009004760A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-173822 2007-07-02
JP2007173822A JP2009014030A (en) 2007-07-02 2007-07-02 Motor-operated valve and refrigerator

Publications (1)

Publication Number Publication Date
WO2009004760A1 true WO2009004760A1 (en) 2009-01-08

Family

ID=40225827

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001477 WO2009004760A1 (en) 2007-07-02 2008-06-10 Electric valve, and freezing device

Country Status (2)

Country Link
JP (1) JP2009014030A (en)
WO (1) WO2009004760A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014155816A1 (en) * 2013-03-26 2014-10-02 三菱電機株式会社 Expansion valve and cooling cycle device using same
JP5823078B2 (en) * 2013-03-26 2015-11-25 三菱電機株式会社 Expansion valve and refrigeration cycle apparatus using the same
WO2018153203A1 (en) * 2017-02-24 2018-08-30 江苏金晟元特种阀门股份有限公司 Electric fluorine-lined corrugated pipe single-seat regulating valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7166599B2 (en) * 2018-08-10 2022-11-08 株式会社フジキン Diaphragm valves and flow controllers

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014954B2 (en) * 1977-03-28 1985-04-16 石川島播磨重工業株式会社 Fluid control method and device using piezoelectric elements
JPS60139981A (en) * 1983-12-27 1985-07-24 Saginomiya Seisakusho Inc Valve utilizing piezo-electric element
JPS62106075U (en) * 1985-12-24 1987-07-07
JPS63219972A (en) * 1987-03-10 1988-09-13 Fujitsu General Ltd Valve drive device
JPH01165377U (en) * 1988-05-10 1989-11-20
JPH01312283A (en) * 1988-06-09 1989-12-18 Nippon Denso Co Ltd Oil pressure switching valve equipped with piezoelectric actuator
JPH0262487A (en) * 1988-08-24 1990-03-02 Ranco Japan Ltd Flow control valve
JPH0314982A (en) * 1989-06-08 1991-01-23 Nippondenso Co Ltd Driver for liquid pressure changeover valve
JPH04231781A (en) * 1990-12-27 1992-08-20 Danfuosu Kk Piezo actuator
JPH0617955A (en) * 1991-01-10 1994-01-25 Toto Ltd Pilot valve driven by pizoelectric actuator
JP2000249251A (en) * 1999-03-01 2000-09-12 Kitz Corp Dew condensation preventing needle valve
JP2001221365A (en) * 2000-02-08 2001-08-17 Narita Techno:Kk Opening/closing valve for high temperature
JP2004162733A (en) * 2002-11-08 2004-06-10 Stec Inc Valve coping with high temperature

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014954B2 (en) * 1977-03-28 1985-04-16 石川島播磨重工業株式会社 Fluid control method and device using piezoelectric elements
JPS60139981A (en) * 1983-12-27 1985-07-24 Saginomiya Seisakusho Inc Valve utilizing piezo-electric element
JPS62106075U (en) * 1985-12-24 1987-07-07
JPS63219972A (en) * 1987-03-10 1988-09-13 Fujitsu General Ltd Valve drive device
JPH01165377U (en) * 1988-05-10 1989-11-20
JPH01312283A (en) * 1988-06-09 1989-12-18 Nippon Denso Co Ltd Oil pressure switching valve equipped with piezoelectric actuator
JPH0262487A (en) * 1988-08-24 1990-03-02 Ranco Japan Ltd Flow control valve
JPH0314982A (en) * 1989-06-08 1991-01-23 Nippondenso Co Ltd Driver for liquid pressure changeover valve
JPH04231781A (en) * 1990-12-27 1992-08-20 Danfuosu Kk Piezo actuator
JPH0617955A (en) * 1991-01-10 1994-01-25 Toto Ltd Pilot valve driven by pizoelectric actuator
JP2000249251A (en) * 1999-03-01 2000-09-12 Kitz Corp Dew condensation preventing needle valve
JP2001221365A (en) * 2000-02-08 2001-08-17 Narita Techno:Kk Opening/closing valve for high temperature
JP2004162733A (en) * 2002-11-08 2004-06-10 Stec Inc Valve coping with high temperature

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014155816A1 (en) * 2013-03-26 2014-10-02 三菱電機株式会社 Expansion valve and cooling cycle device using same
WO2014155518A1 (en) * 2013-03-26 2014-10-02 三菱電機株式会社 Expansion valve and cooling cycle device using same
JP5823078B2 (en) * 2013-03-26 2015-11-25 三菱電機株式会社 Expansion valve and refrigeration cycle apparatus using the same
WO2018153203A1 (en) * 2017-02-24 2018-08-30 江苏金晟元特种阀门股份有限公司 Electric fluorine-lined corrugated pipe single-seat regulating valve

Also Published As

Publication number Publication date
JP2009014030A (en) 2009-01-22

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