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Electronic module with self-activated heat pipe

  • US 4,777,561 A
  • Filed: 03/26/1985
  • Issued: 10/11/1988
  • Est. Priority Date: 03/26/1985
  • Status: Expired due to Fees
First Claim
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1. Electronic module apparatus for use in a mounting structure having a heat sink associated therewith comprising:

  • a body supporting one or more electronic components;

    heat pipe means associated with said body and in thermal communication with said components for receiving heat therefrom;

    said heat pipe means containing a heat transfer fluid in a condensation/evaporation cycle for transporting heat from relatively high temperature areas to relatively low temperature areas; and

    said body having extendable means for extension therefrom into contact with said heat sink for heat transfer thereto, said extendable means having expandable chamber means in fluid communication with said heat pipe means so that said extension is controlled by fluid pressure produced within said heat pipe means by receipt of heat from said components, said body being constructed and arranged to fit loosely in the mounting structure when the extendable means is in a non-extended position, the extendable means being constructed and arranged to juxtapose to said heat sink so that said contact therebetween causes the body to fit snugly in the mounting structure when the extendable means is in an extended position.

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