Lubrication of refrigerant compressor bearings

Details Lubrication of refrigerant compressor bearings Lubrication of refrigerant compressor bearings

1994-01-21

1995-11-28

Tanner, Harry B.

Refrigeration

Processes

Lubricant handling

62193, 62472, F25B 4302

Patent

active

054697131

ABSTRACT:
A refrigerant device comprising at least one bearing disposed in a housing having a refrigerant flow path. The bearing is contacted with a lubricant charge of a small quantity of lubricant dissolved in liquid refrigerant. At least a portion of the liquid refrigerant proximate the bearing is vaporized to deposit lubricant on the bearing in sufficient quantity to provide for the lubrication thereof. The refrigerant may be vaporized by heat or by pressure drop, or by both. A sensor may be provided to monitor or control temperature and pressure conditions to insure that sufficient refrigerant is vaporized to form a lubricant liquid of at least about 75% lubricant by volume.

REFERENCES:
patent: 3280576 (1966-10-01), Endress
patent: 3416633 (1968-12-01), Swearingen
patent: 3705499 (1972-12-01), Mount et al.
patent: 4066869 (1978-01-01), Apaloo et al.
patent: 4208883 (1980-06-01), Stirling
patent: 4241591 (1980-12-01), Edwards

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