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EP0934494A1 - Kühlkreislaufeinrichtung für eine kälteanlage - Google Patents

Kühlkreislaufeinrichtung für eine kälteanlage

Info

Publication number
EP0934494A1
EP0934494A1 EP98944909A EP98944909A EP0934494A1 EP 0934494 A1 EP0934494 A1 EP 0934494A1 EP 98944909 A EP98944909 A EP 98944909A EP 98944909 A EP98944909 A EP 98944909A EP 0934494 A1 EP0934494 A1 EP 0934494A1
Authority
EP
European Patent Office
Prior art keywords
evaporator
refrigerant fluid
circuit arrangement
refrigeration circuit
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
EP98944909A
Other languages
English (en)
French (fr)
Other versions
EP0934494B1 (de
Inventor
Egidio Berwanger
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.)
Empresa Brasileira de Compressores SA
Original Assignee
Empresa Brasileira de Compressores SA
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 Empresa Brasileira de Compressores SA filed Critical Empresa Brasileira de Compressores SA
Publication of EP0934494A1 publication Critical patent/EP0934494A1/de
Application granted granted Critical
Publication of EP0934494B1 publication Critical patent/EP0934494B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • a suction pressure is formed in the chamber 27 of the valve body 21, through the fluid communication between said valve and the suction inlet 10 of the hermetic compressor 1.
  • This suction pressure forces the spring element 26 to bend towards the valve seat 24 of the valve body 21, decreasing the volume in the chamber 27 and, proportionally, expanding the hermetic chamber 28, said movement leading the sealing means 25 to a spaced position from the valve seat 24 and thus allowing a determined amount of condensed refrigerant fluid to pass to the evaporator 8 at a condensation temperature which is substantially close to the nominal condensation temperature and which no more affects the evaporation efficiency of the evaporator 8.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Temperature-Responsive Valves (AREA)
EP98944909A 1997-08-28 1998-08-28 Kühlkreislaufeinrichtung für eine kälteanlage Expired - Lifetime EP0934494B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BR9702803 1997-08-28
BR9702803A BR9702803A (pt) 1997-08-28 1997-08-28 Arranjo para circuito de refrigeração de sistema de refrigeração
PCT/BR1998/000067 WO1999011987A1 (en) 1997-08-28 1998-08-28 A refrigeration circuit arrangement for a refrigeration system

Publications (2)

Publication Number Publication Date
EP0934494A1 true EP0934494A1 (de) 1999-08-11
EP0934494B1 EP0934494B1 (de) 2003-10-22

Family

ID=4067303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98944909A Expired - Lifetime EP0934494B1 (de) 1997-08-28 1998-08-28 Kühlkreislaufeinrichtung für eine kälteanlage

Country Status (8)

Country Link
EP (1) EP0934494B1 (de)
JP (1) JP2001505296A (de)
KR (1) KR20000068849A (de)
CN (1) CN1237240A (de)
AT (1) ATE252714T1 (de)
BR (1) BR9702803A (de)
DE (1) DE69819127D1 (de)
WO (1) WO1999011987A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7895003B2 (en) 2007-10-05 2011-02-22 Emerson Climate Technologies, Inc. Vibration protection in a variable speed compressor
US8459053B2 (en) 2007-10-08 2013-06-11 Emerson Climate Technologies, Inc. Variable speed compressor protection system and method
US8539786B2 (en) 2007-10-08 2013-09-24 Emerson Climate Technologies, Inc. System and method for monitoring overheat of a compressor
US8418483B2 (en) 2007-10-08 2013-04-16 Emerson Climate Technologies, Inc. System and method for calculating parameters for a refrigeration system with a variable speed compressor
US9541907B2 (en) 2007-10-08 2017-01-10 Emerson Climate Technologies, Inc. System and method for calibrating parameters for a refrigeration system with a variable speed compressor
JP7349706B2 (ja) * 2019-07-04 2023-09-25 株式会社不二工機 パワーエレメント及びこれを用いた膨張弁
US11206743B2 (en) 2019-07-25 2021-12-21 Emerson Climate Technolgies, Inc. Electronics enclosure with heat-transfer element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3320763A (en) * 1965-11-19 1967-05-23 Westinghouse Electric Corp Controls for refrigeration systems
US3638446A (en) * 1969-06-27 1972-02-01 Robert T Palmer Low ambient control of subcooling control valve
US5245836A (en) * 1989-01-09 1993-09-21 Sinvent As Method and device for high side pressure regulation in transcritical vapor compression cycle
US5201190A (en) * 1992-02-24 1993-04-13 White Consolidated Industries, Inc. Refrigerator with subcooling flow control valve
EP0762064A1 (de) * 1995-09-08 1997-03-12 Fritz Ing. Weider Durchsatzregelung für das Kältemittel einer Wärmepumpe und Verfahren

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9911987A1 *

Also Published As

Publication number Publication date
DE69819127D1 (de) 2003-11-27
JP2001505296A (ja) 2001-04-17
WO1999011987A1 (en) 1999-03-11
ATE252714T1 (de) 2003-11-15
KR20000068849A (ko) 2000-11-25
EP0934494B1 (de) 2003-10-22
BR9702803A (pt) 1999-05-18
CN1237240A (zh) 1999-12-01

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