Thermo-switch apparatus

Details Thermo-switch apparatus Thermo-switch apparatus

1991-10-04

1992-07-21

Thompson, Gregory D.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

219210, 361383, 361388, H05K 720

Patent

active

051328747

ABSTRACT:
A method is shown, along with apparatus for accomplishing same, for minimizing power required to keep an enclosed electronic module from overheating in a high temperature environment, while still operating to maintain the module at greater than a given minimum temperature when the environmental temperatures are far below the sensed minimum temperature for the module. This is accomplished by placing a thin sheet of heating material between the module to be temperature maintained and a heat sink which is exposed to the environment exterior the enclosure. Energy applied to the sandwiched heater prevents transfer of heat from the electronic module to the environment in such a way as to drastically reduce the heat (power consuming) requirements as compared to prior art heater approaches.

REFERENCES:
patent: 3617692 (1971-11-01), Landis
patent: 4684783 (1987-08-01), Gore
patent: 4920574 (1990-04-01), Yamamoto

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