Temperature control apparatus

Details Temperature control apparatus Temperature control apparatus

2007-02-13

2010-10-26

Ford, John K (Department: 3744)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

C165S264000, C165S080400, C165S080500, C165S260000, C165S048100, C165S063000, C165S064000, C324S760020, C062S196400, C062S197000

Reexamination Certificate

active

07819179

ABSTRACT:
A temperature control apparatus including a temperature control head kept in contact with an electronic device as a testing object thermally, an electric heater attached to the temperature control head, a refrigerant passage formed within the temperature control head so as to run through inside thereof, a compressor which compresses refrigerant coming out of the temperature control head, a temperature sensor which detects a temperature of refrigerant on an outlet side of the compressor, a condenser which condenses refrigerant coming out of the compressor, a returning portion which returns refrigerant condensed by the condenser to the temperature control head, and a control portion which bypasses the condensed refrigerant to the intake side of the compressor by a predetermined quantity corresponding to an output of the temperature sensor.

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patent: 2005/081003 (2005-09-01), None

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