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Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid

  • US 4,467,621 A
  • Filed: 09/22/1982
  • Issued: 08/28/1984
  • Est. Priority Date: 09/22/1982
  • Status: Expired due to Fees
First Claim
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1. In a cooling cycle wherein fluid is passed through a condenser, an expansion valve and an evaporator, at least one fluid vacuum chamber in the flow path between the evaporator and condenser to reduce the latent heat of vaporization of said stream passing between said evaporator and said condensor said chamber comprising:

  • (a) an elongated housing means having an inlet for a vapor-liquid dual phase stream at one extreme thereof and an outlet for a vapor-liquid dual phase stream at the opposite end of said elongated housing for egression of a vapor-liquid dual phase stream having a reduced heat of vaporization compared with the heat of vaporization of said stream ingressing through said inlet;

    (b) a means for passage of said vapor-liquid dual phase stream in a pathway relatively parallel to the axes of said elongated housing means;

    (c) at least one tubular element within said elongated housing means having porous openings of from about 5 microns to about 100 microns being formed of sintered metal or ceramic for passage of at least a portion of the heat of vaporization through said pores of said sintered metal or ceramics to the interior of said tubular element, wherein said passage is achieved by maintaining the interior of said tubular member at a pressure lower than the pressure within said elongated housing means;

    (d) a vacuum attainment means in interconnection with the interior of said tubular member to provide said lower pressure within said tubular element; and

    ,(e) a vacuum conduit means interconnecting said interior of said tubular element and said vacuum attainment means.

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