Electrical transmission or interconnection systems – Switching systems – Switch actuation
Patent
1993-02-26
1994-02-15
Ip, Paul
Electrical transmission or interconnection systems
Switching systems
Switch actuation
318254, 361 23, 361695, H05K 720
Patent
active
052870090
ABSTRACT:
An electronic circuit module fan assembly is disclosed including a circuit module housing, circuit modules, and a fan module. The fan module has a fan unit for cooling the circuit modules. The fan module can be mounted in the housing interchangeably with the circuit modules. The fan module has time delay circuitry for delaying the time when the fan module is powered up until after the initial power surge of the electronic system. The fan module also has noise filter circuitry. A fan module is disclosed wherein the fan unit is slidably attached to the fan module to allow the fan to be placed in different positions for cooling purposes. The fan module can be constructed so that the fan unit is interchangeable with a panel having circuitry.
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Anderson Denton L.
Ip Paul
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