Compressors for heat pumps

Details Compressors for heat pumps Compressors for heat pumps

1978-05-30

1980-06-24

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62472, F25B 4302

Patent

active

042088836

ABSTRACT:
A compressor for a heat pump using a condensible gas as a working fluid has a lubricant temperature controller comprising a heater for the lubricant in the sump, the heater being controlled by differential pressure responsive means comprising the vapor pressure above the lubricant in the sump with a pressure obtained from a sensor bulb in the sump oil, the bulb containing a solution, in a lubricant of a refrigerant, the refrigerant preferably being the same as the working fluid of the heat pump.

REFERENCES:
patent: 997187 (1911-07-01), Fournier
patent: 2116802 (1938-05-01), Shivers
patent: 2303182 (1942-11-01), Tobey
patent: 3705499 (1972-12-01), Mount et al.

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