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Electrical cabinet with door-mounted heat exchanger

  • US 5,467,250 A
  • Filed: 03/21/1994
  • Issued: 11/14/1995
  • Est. Priority Date: 03/21/1994
  • Status: Expired due to Fees
First Claim
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1. An electrical equipment cabinet comprising:

  • an enclosure adapted to contain heat-generating electrical equipment, said enclosure having at least one access opening;

    a door providing a closure for said opening, said door when open permitting access to said electrical equipment and when closed maintaining a substantially closed environment in the interior of said cabinet;

    an air-to-air heat exchanger carried by said door for removing heat from the interior of said cabinet while maintaining said substantially closed environment within said cabinet, said heat exchanger defining a first air flow path for air drawn from the exterior of said cabinet and a second air flow path for air drawn from the interior of said cabinet, said first and second air flow paths being substantially isolated from each other; and

    a powered fan mounted in said enclosure for circulating air through at least one of said first and second air flow paths.

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