BR0315325A - Válvula de expansão de refrigeração com elemento de energia de massa térmica - Google Patents

Válvula de expansão de refrigeração com elemento de energia de massa térmica

Info

Publication number
BR0315325A
BR0315325A BR0315325-8A BR0315325A BR0315325A BR 0315325 A BR0315325 A BR 0315325A BR 0315325 A BR0315325 A BR 0315325A BR 0315325 A BR0315325 A BR 0315325A
Authority
BR
Brazil
Prior art keywords
expansion valve
power element
valve
btu
housing
Prior art date
Application number
BR0315325-8A
Other languages
English (en)
Inventor
Eugene A Dianetti
Roy J Nungesser
Daniel R Rice
Gary A Nearpass
Cary Haramoto
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of BR0315325A publication Critical patent/BR0315325A/pt

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
    • 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
    • F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Temperature-Responsive Valves (AREA)

Abstract

"VáLVULA DE EXPANSãO DE REFRIGERAçãO COM ELEMENTO DE ENERGIA DE MASSA TéRMICA". Válvula de expansão termostática par um sistema de condicionamento de ar de veículo incluindo um alojamento e um elemento de energia suportado pelo alojamento. O elemento de energia inclui um diafragma, e uma almofada de pressão disposta contra o diafragma. A almofada de pressão pode ser formada em uma peça de cobre, uma liga de cobre, ou outro material, cujo material pode também ser uma mistura, composto ou outra combinação, tendo uma condutividade térmica de pelo menos cerca de 115 W/m-K (800 BTU-in/hr-ft^ 2^-<198>F), e de preferência pelo menos cerca de 170 W/m-K (1200 BTU-in/hr-ft^ 2^-<198>F), e mais preferivelmente pelo menos cerca de 280 W/m-K (2000 BTU-in/hr- ft^ 2^-<198>F), e uma densidade de pelo menos cerca de 8 g/cm^ 3^(0,3 lb/in^ 3^), e é conectado por meio de uma haste em um elemento de válvula no alojamento para controlar o fluxo de refrigerante entre o condensador e o evaporador. O uso de tal material na almofada de pressão reduz a suscetibilidade da válvula a mudanças de temperatura externa e reduz a vibração da válvula.
BR0315325-8A 2002-10-18 2003-10-17 Válvula de expansão de refrigeração com elemento de energia de massa térmica BR0315325A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41987602P 2002-10-18 2002-10-18
PCT/US2003/033101 WO2004036125A2 (en) 2002-10-18 2003-10-17 Refrigeration expansion valve with thermal mass power element

Publications (1)

Publication Number Publication Date
BR0315325A true BR0315325A (pt) 2005-08-16

Family

ID=32108144

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0315325-8A BR0315325A (pt) 2002-10-18 2003-10-17 Válvula de expansão de refrigeração com elemento de energia de massa térmica

Country Status (5)

Country Link
US (1) US6848624B2 (pt)
CN (1) CN2826315Y (pt)
AU (1) AU2003286479A1 (pt)
BR (1) BR0315325A (pt)
WO (1) WO2004036125A2 (pt)

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CN102252469B (zh) * 2010-05-20 2013-03-20 浙江三花汽车零部件有限公司 热力膨胀阀
JP5730630B2 (ja) * 2011-03-22 2015-06-10 株式会社不二工機 膨張弁
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Also Published As

Publication number Publication date
WO2004036125A3 (en) 2004-06-10
US6848624B2 (en) 2005-02-01
AU2003286479A8 (en) 2004-05-04
US20040129008A1 (en) 2004-07-08
AU2003286479A1 (en) 2004-05-04
WO2004036125A2 (en) 2004-04-29
CN2826315Y (zh) 2006-10-11

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A ANUIDADE(S).

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2077 DE 26/10/2010.

B15G Petition not considered as such [chapter 15.7 patent gazette]

Free format text: DESCONHECIDA A PETICAO DE TRANSFERENCIA NO 020120022383/RJ DE 15/03/2012, POR AUSENCIA DE FUNDAMENTACAO LEGAL, UMA VEZ QUE O PEDIDO FOI ARQUIVADO CONFORME PUBLICADO NA RPI 2145 DE 14/02/2012.

B25B Requested transfer of rights rejected

Owner name: PARKER-HANNIFIN CORPORATION (US)