Compressor for use in refrigerator

Details Compressor for use in refrigerator Compressor for use in refrigerator

1998-12-16

1999-08-17

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62469, 418102, F25B 3102

Patent

active

059376619

ABSTRACT:
A compressor (30) for use in a refrigerator, which has a rotary shaft (33) supported by bearings (39 to 42) to be lubricated by a liquid refrigerant and is adapted to permit the rotary shaft 33 to continue rotating for a while after a liquid refrigerant pump (36) is stopped at, for example, a power failure, thereby preventing the bearings (39 to 42) from being damaged. To that end, the compressor (30) is further provided with a header (52) for storing a predetermined amount of a high-pressure liquid refrigerant, and with check valves (51, 54 and 56) for maintaining the internal pressure of this header (52) at a high pressure for a predetermined time period after a power failure occurs.

REFERENCES:
patent: 3931718 (1976-01-01), Haselden
patent: 5044167 (1991-09-01), Champagne
patent: 5066197 (1991-11-01), Champagne
patent: 5088292 (1992-02-01), Champagne et al.
patent: 5167496 (1992-12-01), Jacobsson et al.

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