Rotary compressor with oil injection

Details Rotary compressor with oil injection Rotary compressor with oil injection

1995-07-05

1996-10-15

Freay, Charles

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 97, 184 616, F01C 102, F01C 2104

Patent

active

055649173

ABSTRACT:
In a high side rotary compressor, interior shell pressure is used to force lubricant from the sump into the compression chamber. The lubricant is delivered only after the suction port has closed and before chamber pressure exceeds shell pressure.

REFERENCES:
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patent: 2991931 (1961-07-01), Galin
patent: 3250459 (1966-05-01), Brown et al.
patent: 3415445 (1968-12-01), Fuentevilla et al.
patent: 3565552 (1971-02-01), Modem et al.
patent: 3820924 (1974-06-01), Cassidy
patent: 3904321 (1975-09-01), Ruedi et al.
patent: 4331002 (1982-05-01), Ladusaw
patent: 4983108 (1992-07-01), Kawaguchi et al.
patent: 4997350 (1991-03-01), Tamura et al.
European Search Report--4 Aug. 1994, Examiner T. Kapoulas Application No. EP 94 63 0025.

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