Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1988-01-19
1989-06-06
Envall, Jr., Roy N.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
H02B 100, H05K 720
Patent
active
048376639
ABSTRACT:
A cooling system for an electronic apparatus comprises a plurality of mother boards each having a circuit board to be cooled, a blower for causing an air flow from one of the mother boards to the other, and a draft duct for directing the air flow between the mother boards.
The draft duct includes an inlet for dividing the air flow into a plurality of partial flows, a partition for changing an air flow direction of the partial flows into some other directions, and an outlet for intermixing the partial flows.
REFERENCES:
patent: 3198991 (1965-08-01), Barnett
patent: 4315300 (1982-02-01), Parmerlee et al.
Gou Hiroshi
Kobayashi Fumiyuki
Miyamoto Mitsuo
Ogata Tetsuo
Zushi Shizuo
Envall Jr. Roy N.
Hitachi , Ltd.
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