Heat exchange – With valve or movable deflector for heat exchange fluid flow – With by-pass of heat exchanger or heat exchanger section
Patent
1987-01-28
1987-10-27
Joyce, Harold
Heat exchange
With valve or movable deflector for heat exchange fluid flow
With by-pass of heat exchanger or heat exchanger section
165122, 361384, H05K 720
Patent
active
047021543
ABSTRACT:
A retrofit power supply/fan unit for IBM PC and XT personal computers achieving lower operating temperatures. The unit is contained in a sub-housing positioned in a rear upper corner of the computer housing. The sub-housing has a rear exhaust opening and the computer housing has generally oppositely disposed air inlet openings. The sub-housing has a top wall with its uppermost portion spaced from the underside of the top of the computer housing about 5/8" and the top wall of the sub-housing having a forward sloping top wall portion downwardly sloping at an angle of about 10.degree. to the horizontal as it extends forwardly to facilitate air flow thereto. A pair of juxtaposed fan openings disposed in the forward sloping top wall portion and a pair of fans in the sub-housing aligned with the juxtaposed fan openings to draw air through the sub-housing, each fan being rated at about 32 cfm.
REFERENCES:
patent: 2897487 (1959-07-01), Owen
patent: 4084250 (1978-04-01), Albertine et al.
patent: 4356531 (1982-10-01), Marino et al.
Jim Forney, "Turbo-Cool: Keeping Your PC from Overboiling", PC Magazine, Copyright 1986.
Turbo-Cool.TM. 150/200 PC/XT Power Supply, PC Cooling Systems, Bonsall, Ca.
Bowen Duane C.
Joyce Harold
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