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Cooling device for electrical subassemblies

  • US 6,885,554 B1
  • Filed: 12/09/1998
  • Issued: 04/26/2005
  • Est. Priority Date: 12/16/1997
  • Status: Expired due to Term
First Claim
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1. A cooling arrangement for an apparatus having a housing containing electrical subassemblies, comprising:

  • at least one water-repellent membrane filter having a surface arranged in an air inlet of the housing for surface filtration of dirt particles and water from cooling air flowing into the housing for cooling the electrical subassemblies, said surface filtration of dirt particles and water occurring at the surface of said at least one water repellent membrane filter; and

    at least one cooling device to build up an airflow in the housing and to lead the filtered cooling air, which is heated up because of flowing through the electrical subassemblies, out of the housing through at least one air outlet.

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