Cooling apparatus for electric devices

Details Cooling apparatus for electric devices Cooling apparatus for electric devices

1998-03-12

2000-06-27

Tolin, Gerald

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

165 803, 257719, 361705, H05K 720

Patent

active

060814284

ABSTRACT:
A cooling apparatus for cooling a plurality of electric devices mounted on a printed circuit board with high cooling efficiency and low cost. The cooling apparatus includes a cooling plate for receiving heat generated by said electric devices and transmitting the heat to an external area to cool the electric devices, an elastic sheet made of electrically insulating material and attached to the cooling plate for contacting surfaces of the electric devices, means for attaching the elastic sheet to the cooling plate in a manner to form a closed space therebetween, heat conductive springs provided in the closed space for pressing the elastic sheet toward the surfaces of the cooling plate, a heat distribution sheet provided between the elastic sheet and the heat conductive springs to distribute the heat received from the elastic sheet throughout the heat distribution sheet, and a layer of heat conductive grease applied between the heat distribution sheet and the heat conductive springs.

REFERENCES:
patent: 4381032 (1983-04-01), Cutchaw
patent: 4612978 (1986-09-01), Cutchaw
patent: 4729060 (1988-03-01), Yamamoto
patent: 5515912 (1996-05-01), Daikoku
patent: 5705850 (1998-01-01), Ashiwake

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