ITGE20070115A1 - Valvola di espansione termostatica per circuiti di pompa del freddo o di calore con funzione di sicurezza controllata termicamente - Google Patents

Valvola di espansione termostatica per circuiti di pompa del freddo o di calore con funzione di sicurezza controllata termicamente Download PDF

Info

Publication number
ITGE20070115A1
ITGE20070115A1 IT000115A ITGE20070115A ITGE20070115A1 IT GE20070115 A1 ITGE20070115 A1 IT GE20070115A1 IT 000115 A IT000115 A IT 000115A IT GE20070115 A ITGE20070115 A IT GE20070115A IT GE20070115 A1 ITGE20070115 A1 IT GE20070115A1
Authority
IT
Italy
Prior art keywords
actuator
valve
temperature
pressure
valve according
Prior art date
Application number
IT000115A
Other languages
English (en)
Italian (it)
Inventor
Joan Aguilar
Rainer Maurer
Original Assignee
Otto Egelhof Gmbh & 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 & Co Kg filed Critical Otto Egelhof Gmbh & Co Kg
Publication of ITGE20070115A1 publication Critical patent/ITGE20070115A1/it

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
    • F25B41/36—Expansion valves with the valve member being actuated by bimetal elements or shape-memory elements influenced by fluids, e.g. by 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
    • F25B41/33—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
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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

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)
  • Sorption Type Refrigeration Machines (AREA)
IT000115A 2006-12-01 2007-11-27 Valvola di espansione termostatica per circuiti di pompa del freddo o di calore con funzione di sicurezza controllata termicamente ITGE20070115A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006057131A DE102006057131B3 (de) 2006-12-01 2006-12-01 Thermostatisches Expansionsventil für Kälte- beziehungsweise Wärmepumpenkreisläufe mit thermisch gesteuerter Sicherheitsfunktion

Publications (1)

Publication Number Publication Date
ITGE20070115A1 true ITGE20070115A1 (it) 2008-06-02

Family

ID=38721421

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000115A ITGE20070115A1 (it) 2006-12-01 2007-11-27 Valvola di espansione termostatica per circuiti di pompa del freddo o di calore con funzione di sicurezza controllata termicamente

Country Status (6)

Country Link
US (1) US20080127664A1 (de)
JP (1) JP2008139013A (de)
CN (1) CN101245961A (de)
CZ (1) CZ2007830A3 (de)
DE (1) DE102006057131B3 (de)
IT (1) ITGE20070115A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2012021746A (ja) * 2010-07-16 2012-02-02 Fuji Electric Co Ltd 電子膨張弁
US10302342B2 (en) 2013-03-14 2019-05-28 Rolls-Royce Corporation Charge control system for trans-critical vapor cycle systems
JP6306827B2 (ja) * 2013-05-16 2018-04-04 アズビル株式会社 回転角度検出器
KR102518659B1 (ko) 2018-07-30 2023-04-06 현대자동차주식회사 형상기억합금 스프링을 이용한 팽창밸브 및 이를 이용한 차량용 에어컨시스템
KR102102958B1 (ko) * 2018-10-11 2020-04-21 한국과학기술원 열팽창 밸브, 그리고 이를 포함하는 저온 냉각 시스템
CN112648761A (zh) * 2020-12-21 2021-04-13 上海交通大学 基于记忆合金的节流控制元件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015776A (en) * 1976-01-23 1977-04-05 The Singer Company Thermostatic expansion valve
DE2749240C3 (de) * 1977-11-03 1980-09-11 Danfoss A/S, Nordborg (Daenemark) Regelvorrichtung für das Ventil einer Kälteanlage
AU538000B2 (en) * 1979-04-02 1984-07-26 Matsushita Electric Industrial Co., Ltd. Air conditioner
EP0892226B1 (de) * 1997-07-18 2005-09-14 Denso Corporation Drucksteuerventil für Kälteanlage
DE10249950B4 (de) * 2002-10-26 2004-08-12 Danfoss A/S Expansionsventil für Hochdruck-Kälteanlagen
DE102005034709B4 (de) * 2005-07-26 2008-02-21 Daimler Ag Thermostatisches Expansionsventil

Also Published As

Publication number Publication date
CZ2007830A3 (cs) 2008-06-11
US20080127664A1 (en) 2008-06-05
DE102006057131B3 (de) 2007-12-27
CN101245961A (zh) 2008-08-20
JP2008139013A (ja) 2008-06-19

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