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Cryogenic fluid transfer conduit

  • US 4,745,760 A
  • Filed: 07/21/1987
  • Issued: 05/24/1988
  • Est. Priority Date: 07/21/1987
  • Status: Expired due to Term
First Claim
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1. A cryogenic fluid transfer apparatus used for transferring a cryogenic fluid from a cryogenic reservoir to an enclosure for cooling an integrated circuit comprising:

  • coupling means, having a venting passage therein, connected to the cryogenic reservoir;

    a first conduit means connected to said coupling means at one end and to said enclosure at the other end for transferring the cryogenic fluid from said cryogenic reservoir in a first direction to said enclosure at a first temperature;

    a second conduit means connected to said enclosure and said coupling means, and circumferentially located around said first conduit means for transferring the cryogenic fluid from said enclosure at a higher temperature in a direction opposite to said first direction;

    said second conduit means communicating with said venting passage for venting said fluid at said higher temperature; and

    insulating means connected to said coupling means and said enclosure around said second conduit means for preventing the condensation of moisture from the operating environment.

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