Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1987-10-13
1989-01-10
Pellinen, A. D.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361381, H05K 720
Patent
active
047977833
ABSTRACT:
An air cooling equipment for use in electronic systems having a plurality of wiring boards with a plurality of heat-generating electronic components mounted thereon is disclosed. The air cooling equipment uses two blowers positioned on top and bottom of the unit and introduces cooling air in two directions into the housing. The blowers may be positioned at sides of the housing and air is directed around and through the zone where the wiring boards are disposed.
REFERENCES:
patent: 2412989 (1946-12-01), Kotterman
patent: 3749981 (1973-07-01), Koltuniak et al.
patent: 3895215 (1975-07-01), Gordon
patent: 4158875 (1979-06-01), Tajima et al.
patent: 4386651 (1983-06-01), Reinhard
Hammer et al., "Ventilation System for Data Processing Systems", IBM Technical Disclosure Bulletin, vol. 17, No. 9, 2/75 pp. 2529-2530.
Kohmoto Mitsuo
Matsuo Yohichi
NEC Corporation
Pellinen A. D.
Thompson Gregory P.
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