Rotary compressor with oil conveying means to shaft bearings

Details Rotary compressor with oil conveying means to shaft bearings Rotary compressor with oil conveying means to shaft bearings

1987-04-06

1988-07-26

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 88, 418 94, 418 98, F04C 18356, F04C 2902

Patent

active

047596988

ABSTRACT:
The invention relates to a rotary compressor assembly of the type in which an electric motor and a rotary compressor are mounted in a seal capsule and share a common drive shaft. An intermediate pressure chamber is formed in the housing adjacent the outboard bearing of the compressor and a nonmechanical pressure difference principle is utilized to convey lubricating oil from the pump to the intermediate pressure chamber. A groove and paddle construction associated with the shaft conveys oil from the intermediate pressure chamber against the capsule pressure back into the capsule through the shaft bearings.

REFERENCES:
patent: 2306608 (1942-12-01), Hubacker
patent: 2669384 (1954-02-01), Dills
patent: 3385513 (1968-05-01), Kilgore
patent: 4144002 (1979-03-01), Shibuya et al.
patent: 4456437 (1984-06-01), Kurahayashi et al.

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