FR2878045A1 - Vanne de detente et procede pour la commander - Google Patents

Vanne de detente et procede pour la commander Download PDF

Info

Publication number
FR2878045A1
FR2878045A1 FR0510366A FR0510366A FR2878045A1 FR 2878045 A1 FR2878045 A1 FR 2878045A1 FR 0510366 A FR0510366 A FR 0510366A FR 0510366 A FR0510366 A FR 0510366A FR 2878045 A1 FR2878045 A1 FR 2878045A1
Authority
FR
France
Prior art keywords
valve
opening
pressure
expansion valve
closure
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.)
Withdrawn
Application number
FR0510366A
Other languages
English (en)
French (fr)
Inventor
Jean Jacques Robin
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.)
Otto Egelhof GmbH and Co KG
Original Assignee
Otto Egelhof GmbH and Co KG
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 Otto Egelhof GmbH and Co KG filed Critical Otto Egelhof GmbH and Co KG
Publication of FR2878045A1 publication Critical patent/FR2878045A1/fr
Withdrawn legal-status Critical Current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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F25B41/325—Expansion valves having two or more valve members
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2341/063—Feed forward 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
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0411—Refrigeration circuit bypassing means for expansion valves or capillary tubes
    • 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
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2505—Fixed-differential control valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Temperature-Responsive Valves (AREA)
  • Air-Conditioning For Vehicles (AREA)
FR0510366A 2004-10-22 2005-10-11 Vanne de detente et procede pour la commander Withdrawn FR2878045A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004051538 2004-10-22
DE102005003968A DE102005003968A1 (de) 2004-10-22 2005-01-27 Expansionsventil und Verfahren zu dessen Steuerung

Publications (1)

Publication Number Publication Date
FR2878045A1 true FR2878045A1 (fr) 2006-05-19

Family

ID=36129069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0510366A Withdrawn FR2878045A1 (fr) 2004-10-22 2005-10-11 Vanne de detente et procede pour la commander

Country Status (4)

Country Link
US (1) US7913502B2 (https=)
JP (1) JP2006118855A (https=)
DE (1) DE102005003968A1 (https=)
FR (1) FR2878045A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004010997B3 (de) * 2004-03-03 2005-06-23 Otto Egelhof Gmbh & Co. Kg Expansionsventil und Verfahren zu dessen Steuerung
DE102006021327A1 (de) * 2006-05-05 2007-11-08 Otto Egelhof Gmbh & Co. Kg Verfahren zur Steuerung eines Expansionsventils sowie Expansionsventil, insbesondere für mit CO2Kältemittel betriebene Fahrzeugklimaanlagen
US9170039B2 (en) * 2010-11-30 2015-10-27 Danfoss A/S Expansion valve with variable opening degree
DE102013222578A1 (de) 2013-11-06 2015-05-07 MAHLE Behr GmbH & Co. KG Expansionsventil
US9546807B2 (en) * 2013-12-17 2017-01-17 Lennox Industries Inc. Managing high pressure events in air conditioners
US9657969B2 (en) 2013-12-30 2017-05-23 Rolls-Royce Corporation Multi-evaporator trans-critical cooling systems
US10436349B2 (en) * 2015-06-09 2019-10-08 Denso Corporation Pressure reduction valve
JP6817914B2 (ja) * 2017-08-28 2021-01-20 株式会社鷺宮製作所 絞り装置および冷凍サイクルシステム
CN110068102B (zh) * 2019-04-29 2021-01-29 宁波奥克斯电气股份有限公司 冷媒量控制方法
DE102024209404A1 (de) * 2024-09-27 2026-04-02 Zf Friedrichshafen Ag Durchflussregelventil für Kältekreisläufe mit Überdruckfunktion

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993341A (en) * 1958-02-03 1961-07-25 Alwin B Newton Hot gas refrigeration system
US3613391A (en) * 1967-09-12 1971-10-19 White Consolidated Ind Inc Head pressure control system
DE10012714A1 (de) 2000-03-16 2001-09-20 Egelhof Fa Otto Ventilanordnung einer Kälteanlage
DE10219667A1 (de) 2002-05-02 2003-11-13 Egelhof Fa Otto Expansionsventil
JP2004142701A (ja) * 2002-10-28 2004-05-20 Zexel Valeo Climate Control Corp 冷凍サイクル
DE102004010997B3 (de) 2004-03-03 2005-06-23 Otto Egelhof Gmbh & Co. Kg Expansionsventil und Verfahren zu dessen Steuerung

Also Published As

Publication number Publication date
JP2006118855A (ja) 2006-05-11
DE102005003968A1 (de) 2006-04-27
US20060086116A1 (en) 2006-04-27
US7913502B2 (en) 2011-03-29

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100630