Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1991-01-31
1992-05-19
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418DIG1, 55439, 55462, F04C 2902, B01D 4508
Patent
active
051143224
ABSTRACT:
There is disclosed a scroll-type machine particularly suited for use as a refrigeration compressor and incorporating an improved baffle arrangement to provide a directed suction inlet as well as to separate oil entrained in the returning refrigerant and return same to the lubricant sump in the lower portion of the shell.
REFERENCES:
patent: 1659104 (1928-02-01), Heideman
patent: 2031941 (1936-02-01), Drysdale
patent: 2893626 (1959-07-01), Weibel, Jr.
patent: 4314796 (1982-02-01), Terauchi
patent: 4332535 (1982-06-01), Terauchi et al.
patent: 4592703 (1986-06-01), Inaba et al.
Bush James W.
Caillat Jean-Luc M.
Weatherston Roger C.
Copeland Corporation
Vrablik John J.
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