Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1996-07-24
1998-06-02
Ledynh, Bot L.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
174252, 165 803, 361703, 361709, 361719, H05K 720
Patent
active
057603332
ABSTRACT:
A cooling device mounting a fan unit above a heat sink mounted on a heat-generating element or buried therein, which produces an effective air flow and achieves a uniform cooling action by having the heat sink shown in various shapes. Further, a cooling fan disposed away from the heat sink or to the side of the same is used for effective cooling through an air conduit passage formed by pipes or a cover.
REFERENCES:
patent: 4996585 (1991-02-01), Gruber et al.
patent: 5019880 (1991-05-01), Higgins, III
patent: 5077601 (1991-12-01), Hatada et al.
Research Disclosure, No. 330, Oct., 1991, Emsworth, GB, p. 813, "An Enhancement of Heat Sink Using Air Collector and Duct".
IBM Technical Disclosure Bulletin, vol. 21, No. 11, Apr., 1979, New York, pp. 4485-4486, U.P. Hwang et al, "Air-Cooling Modular Package".
Kitahara Takashi
Shimanuki Tadayoshi
Ledynh Bot L.
Machtinger Marc D.
PFU Limited
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