Refrigeration – Using electrical or magnetic effect – Thermoelectric; e.g. – peltier effect
Patent
1996-07-12
2000-05-09
Doerrler, William
Refrigeration
Using electrical or magnetic effect
Thermoelectric; e.g., peltier effect
62 37, 361697, F25B 2100, H05K 720
Patent
active
060587121
ABSTRACT:
A system for conditioning the air within an enclosure which houses heat producing equipment. The system includes a passive heat removal system, for precooling the air, and a thermoelectric temperature control system used in conjunction with the passive heat removal system to achieve the necessary temperature control. A power control system includes a programmable control means which receives signals, from a temperature sensor, which are indicative of the temperature of the air in the enclosure. Based upon these signals, the power control system controls the activation of thermoelectric devices in the thermoelectric temperature control system and controls the activation of fans to remove a desired amount of heat from the air in the enclosure and discharge the unwanted heat to the outside air. A switching device operates to apply battery power to the power control system if the electrical power source for the thermoelectric temperature control system fails. A polarity reversal circuit reverses the DC polarity of the DC voltage applied to the thermoelectric devices to reverse the heat pumping of the thermoelectric devices in the situation where the air in the enclosure needs to be heated.
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Communication Relating to the Results of the Partial International Search for International application No. PCT/US97/12103, claiming priority to U.S. Application Ser. No. 08/679,126.
Office Action in 08/893,851, mailed Feb. 24, 1998.
Dedmon Thomas C.
DeVilbiss Roger S.
Quisenberry Tony M.
Rajasubramanian Sathya
Doerrler William
Thermotek, Inc.
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