EP3940279A4 - Expansionsventil - Google Patents

Expansionsventil Download PDF

Info

Publication number
EP3940279A4
EP3940279A4 EP20773642.2A EP20773642A EP3940279A4 EP 3940279 A4 EP3940279 A4 EP 3940279A4 EP 20773642 A EP20773642 A EP 20773642A EP 3940279 A4 EP3940279 A4 EP 3940279A4
Authority
EP
European Patent Office
Prior art keywords
expansion valve
expansion
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.)
Pending
Application number
EP20773642.2A
Other languages
English (en)
French (fr)
Other versions
EP3940279A1 (de
Inventor
Masahiro TOMITSUKA
Hiroshi Yokota
Takahiro Yano
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.)
Fujikoki Corp
Original Assignee
Fujikoki Corp
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 Fujikoki Corp filed Critical Fujikoki Corp
Publication of EP3940279A1 publication Critical patent/EP3940279A1/de
Publication of EP3940279A4 publication Critical patent/EP3940279A4/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or expansion valves
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or expansion valves
    • F25B2341/068—Expansion valves combined with a sensor
    • F25B2341/0683—Expansion valves combined with a sensor the sensor is disposed in the suction line and influenced by the temperature or the pressure of the suction gas
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/03—Cavitations
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/06—Damage
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Temperature-Responsive Valves (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
EP20773642.2A 2019-03-15 2020-02-10 Expansionsventil Pending EP3940279A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019048420A JP7089769B2 (ja) 2019-03-15 2019-03-15 膨張弁
PCT/JP2020/005113 WO2020189092A1 (ja) 2019-03-15 2020-02-10 膨張弁

Publications (2)

Publication Number Publication Date
EP3940279A1 EP3940279A1 (de) 2022-01-19
EP3940279A4 true EP3940279A4 (de) 2022-12-07

Family

ID=72430443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20773642.2A Pending EP3940279A4 (de) 2019-03-15 2020-02-10 Expansionsventil

Country Status (5)

Country Link
US (1) US20220146160A1 (de)
EP (1) EP3940279A4 (de)
JP (1) JP7089769B2 (de)
CN (1) CN113574303B (de)
WO (1) WO2020189092A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023114585A (ja) * 2022-02-07 2023-08-18 株式会社不二工機 膨張弁

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055512A (ja) * 1998-08-05 2000-02-25 Tgk Co Ltd 過冷却度制御式膨張弁
JP2012052693A (ja) * 2010-08-31 2012-03-15 Fuji Koki Corp 電磁弁一体型膨張弁
JP2012255471A (ja) * 2011-06-08 2012-12-27 Fuji Koki Corp 逆止弁
JP2013145041A (ja) * 2011-09-30 2013-07-25 Tgk Co Ltd 制御弁

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922047Y1 (de) * 1972-07-31 1974-06-13
JPS60121172U (ja) * 1984-01-23 1985-08-15 太平洋工業株式会社 温度式自動膨張弁
JP2571357Y2 (ja) * 1991-05-24 1998-05-18 株式会社鷺宮製作所 冷凍サイクル用インジェクションバルブ
JP2005351605A (ja) * 2004-06-14 2005-12-22 Daikin Ind Ltd 膨張弁及び冷凍装置
CN100504253C (zh) * 2005-02-28 2009-06-24 大金工业株式会社 膨胀阀及制冷装置
JP5369259B2 (ja) 2008-08-25 2013-12-18 株式会社テージーケー 膨張弁

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000055512A (ja) * 1998-08-05 2000-02-25 Tgk Co Ltd 過冷却度制御式膨張弁
JP2012052693A (ja) * 2010-08-31 2012-03-15 Fuji Koki Corp 電磁弁一体型膨張弁
JP2012255471A (ja) * 2011-06-08 2012-12-27 Fuji Koki Corp 逆止弁
JP2013145041A (ja) * 2011-09-30 2013-07-25 Tgk Co Ltd 制御弁

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020189092A1 *

Also Published As

Publication number Publication date
US20220146160A1 (en) 2022-05-12
CN113574303B (zh) 2024-01-23
EP3940279A1 (de) 2022-01-19
WO2020189092A1 (ja) 2020-09-24
JP7089769B2 (ja) 2022-06-23
CN113574303A (zh) 2021-10-29
JP2020148305A (ja) 2020-09-17

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