Electricity: conductors and insulators – With fluids or vacuum – Boxes and housings
Patent
1996-05-31
1998-06-30
Kincaid, Kristine L.
Electricity: conductors and insulators
With fluids or vacuum
Boxes and housings
361695, H05K 720
Patent
active
057737550
ABSTRACT:
A double wall casing structure includes an inner casing for housing heat generating equipment and an outer casing surrounding the inner casing to form an air layer therebetween. One or more fans are provided in the air layer and are operated temperature-responsively for steering air within the air layer. At lest one selectively operable valve is located in the outer casing. The valve is adapted to be automatically closed/opened responsive to sensed temperature conditions.
REFERENCES:
patent: 2927736 (1960-03-01), Rohatyn
patent: 4495545 (1985-01-01), Dufresne et al.
patent: 4817912 (1989-04-01), McCabe
patent: 5491610 (1996-02-01), Mok et al.
patent: 5544012 (1996-08-01), Koike
Kincaid Kristine L.
NEC Corporation
Waks Joseph
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