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System for dissipating heat from a power supply

  • US 5,745,041 A
  • Filed: 05/08/1997
  • Issued: 04/28/1998
  • Est. Priority Date: 07/11/1995
  • Status: Expired due to Term
First Claim
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1. Apparatus for dissipating heat from a power supply mounted in a chassis, the power supply enclosed in a housing that includes at least one opening and a main fan for drawing air through the opening for cooling the power supply, the apparatus comprising:

  • a plenum structure configured to fit over said housing in the chassis;

    at least one auxiliary fan mounted in said plenum structure adjacent to and in a stacked position with the main fan for moving air through said at least one opening so that air passes over said power supply resulting from operation of the main fan and the auxiliary fan; and

    means for signaling malfunction of said auxiliary fan to a user.

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