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Ejector cycle device

  • US 20060254308A1
  • Filed: 05/15/2006
  • Published: 11/16/2006
  • Est. Priority Date: 05/16/2005
  • Status: Abandoned Application
First Claim
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1. An ejector cycle device comprising:

  • a compressor that draws and compresses refrigerant;

    a radiator that radiates heat of high-pressure refrigerant discharged from the compressor;

    an ejector disposed at a downstream side of the radiator to decompress and expand refrigerant from the radiator, wherein the ejector has a refrigerant suction port for drawing refrigerant by a high-speed refrigerant flow when refrigerant is expanded, mixes the refrigerant drawn from the refrigerant suction port with the high-speed refrigerant flow and decelerates the mixed refrigerant flow to thereby increase pressure of the mixed refrigerant flow;

    an evaporator that is arranged in a refrigerant branch passage connected to the refrigerant suction port;

    an opening/closing member that opens and closes a refrigerant flow and is capable of preventing refrigerant from flowing into the evaporator; and

    a control unit that brings the opening/closing member into a closing state in a time period for which the operation of the compressor is stopped.

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