Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1995-08-10
1996-06-04
Thompson, Gregory D.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361760, H05K 720
Patent
active
055239188
ABSTRACT:
A CPU heat dissipating apparatus including a metal PC board, a heat sink welded to the metal PC board, and a fan installed in the metal PC board and disposed within a circular center opening on the heat sink wherein the metal PC board has a plurality of radial welding points, and a printed circuit, the printed circuit including a fail-safe circuit for the protection of the fan. The heat sink has a plurality of radial flanges radially and alternatively spaced around its circular center opening at two different elevations and welded to the welding points of the metal PC board, and a plurality of holes and notches on the radial flanges for passing the electronic components and conductors of the printed circuit to separate them from contact with one another.
REFERENCES:
patent: 4513812 (1985-04-01), Papst et al.
patent: 4931904 (1990-06-01), Yiu
patent: 5079438 (1992-01-01), Heung
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