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Fan assembly with heat sink

  • US 5,297,617 A
  • Filed: 12/22/1992
  • Issued: 03/29/1994
  • Est. Priority Date: 12/22/1992
  • Status: Expired due to Fees
First Claim
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1. A fan assembly with heat sink comprising:

  • a fan having a plurality of fan blades,means for rotating the fan so that air is moved through the fan assembly with heat sink,a fan duct having a wall with an inside and outside surface surrounding the fan, the fan rotating within the fan duct with the plurality of fan blades of the fan proximate to the inside surface of the fan duct, andat least one heat sink mounting surface integral to the fan duct for mounting a device to be cooled or heated,the heat further being conducted from the fan duct to the air which is moved through the fan assembly with heat sink, wherebythe conduction of heat is enhanced by the high velocity and turbulence of the air in the vicinity of the plurality of fan blades of the fan, andis further enhanced by textural features which increase the surface area of the inside surface of the fan duct proximate to the fan blades of the fan.

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