Ventilation system in a portable computer

Details Ventilation system in a portable computer Ventilation system in a portable computer

1991-02-13

1992-06-09

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361383, 361394, 361399, 174 151, 165 58, H05K 720

Patent

active

051212919

ABSTRACT:
A portable computer having a cooling system with an intake fan and exhaust openings, one of which is provided with an exhaust fan which is located so that it diverts some of the air-flow to increase the flow of air over the power supply, the fans are activated whenever the temperature in any thermal area rises and the speed of the intake fan increases to meet the challenge of the highest temperature of any one of the thermal areas.

REFERENCES:
patent: 4084213 (1978-04-01), Kirchner et al.
patent: 4730233 (1988-03-01), Osterman
patent: 4797783 (1989-01-01), Kohmoto et al.
patent: 4817865 (1989-04-01), Wray
patent: 4858070 (1989-08-01), Baron et al.
Gaunt et al., Cooling Electrical Equipment, IBM Technical Bulletin, vol. 20, No. 6, Nov. 1977.
Follette et al., Staggered Logic Memory Board Configuration for Improved Card Cooling, IBM Technical Bulletin, vol. 20, No. 7, Dec. 1977.
Catalog of National Semiconductor, pp. 9-163-9-176, published 1982.

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