Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1994-05-10
1995-06-06
Bertsch, Richard A.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 85, 418188, 184616, 184 622, F01L 104
Patent
active
054217091
ABSTRACT:
A high-side co-rotating refrigerant scroll compressor defines a lubricant sump in its discharge pressure portion. Lubricant is directed from that sump, through a passage which is at least partially defined by the shell of the compressor, to the bearings in which the scroll members rotate. Heat carried in the lubricant flowing through the passage is transferred through the compressor shell to the ambient. Subsequent to having lubricated the bearing in which the drive scroll member rotates, lubricant is diverted into a passage defined by the drive scroll member drive shaft and enters the stream of compressed discharge gas flowing therethrough. The lubricant is thereby prevented from entering the suction pressure portion of the compressor where it would otherwise heat compressor suction gas prior to the entry of that gas into the compressor's compression mechanism.
REFERENCES:
patent: 4927339 (1990-05-01), Riffe et al.
patent: 4958993 (1990-09-01), Fujio
patent: 5066206 (1991-11-01), Kakuda et al.
patent: 5080566 (1992-01-01), Sakata et al.
patent: 5101644 (1992-04-01), Crum et al.
patent: 5212964 (1993-05-01), Utter et al.
patent: 5217360 (1993-06-01), Kawahara et al.
Fields Gene M.
Hill Joe T.
Utter Robert E.
Williams John R.
Wollitz John K.
Alliance Compressors Inc.
Beres William J.
Bertsch Richard A.
Ferguson Peter D.
Freay Charles G.
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