Apparatus and method of oil charge loss protection for compresso

Details Apparatus and method of oil charge loss protection for compresso Apparatus and method of oil charge loss protection for compresso

1994-06-27

1995-07-11

Tanner, Harry B.

Refrigeration

Processes

Lubricant handling

62129, 62193, F25B 4302

Patent

active

054310253

ABSTRACT:
A method of compressor over temperature protection. The method comprises the steps of monitoring the temperature of oil entering a compressor, determining an oil temperature differential between the entering and exiting oil temperatures, comparing the oil temperature differential to first and second predetermined limits, terminating compressor operation if the first limit is exceeded by the oil temperature differential, and terminating compressor operation if the second temperature limit is exceeded by the oil temperature differential for longer than a first time period.

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