G - Physics – 05 – D
Patent
G - Physics
05
D
341/28
G05D 23/24 (2006.01) B60H 1/32 (2006.01) F25B 49/02 (2006.01) F25B 41/06 (2006.01)
Patent
CA 2037399
ABSTRACT OF THE DISCLOSURE A refrigeration system employing a mechanical thermal expansion valve with a self-heated thermistor sensing saturation temperature at the high pressure inlet. A microprocessor based controller compares the sensed temperature with stored limits and provides output signals to a relay for cycling the condenser fan responsive to high side pressure means are provided for varying the current through the thermistor for operating same in the non-self heated mode to sense actual refrigeration temperature for generating a control signal to disable the compressor clutch when refrigerant temperature exceeds desired low limits.
Guadette Marvin F.
Torrence Robert J.
Borden Ladner Gervais Llp
Corporation Eaton
Guadette Marvin F.
Torrence Robert J.
LandOfFree
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