Compressor for use in refrigerator

Details Compressor for use in refrigerator Compressor for use in refrigerator

1998-12-14

2000-01-04

Freay, Charles G.

Pumps

With condition responsive control of coolant or lubricant

41742313, 184 616, 62193, 62469, F04B 3904, F04B 3504

Patent

active

060103159

ABSTRACT:
A compressor for use in a refrigerator, which has a rotary shaft supported by bearings to be lubricated by a liquid refrigerant and is adapted to permit the rotary shaft to continue rotating for a while after a liquid refrigerant pump is stopped at, for example, a power failure, thereby preventing the bearings from being damaged. To that end the compressor has a reservoir liquid tank for storing high pressure liquid refrigerant to be supplied to the bearing and a gas storage tank for storing high pressure gas. There is a valve system connected between the gas storage tank and the reservoir liquid tank which is operable upon a power failure to supply high pressure gas to the liquid storage tank.

REFERENCES:
patent: 3474734 (1969-10-01), Stogner
patent: 5028219 (1991-07-01), Schuetz et al.
patent: 5626470 (1997-05-01), Gerhardt

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