Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1982-03-03
1984-08-21
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418104, 418151, 308179, F01C 102, F01C 1706, F01C 1912, F01C 2102
Patent
active
044667841
ABSTRACT:
A scroll type fluid displacement apparatus is disclosed. The apparatus includes a housing having a front end plate and a scroll housing. A fixed wrap extends into an operative interior area of the housing from an inner end surface of an end plate portion of the scroll housing. An orbiting scroll member has an end plate from which an orbiting wrap extends, and a tubular member axially projecting from the end surface of end plate into the operative interior area of the housing. The tubular member has a hollow interior. A drive shaft is rotatably supported by the front end plate and a crank pin extends from its inner end surface. The crank pin is rotatably carried within the hollow interior of the tubular member through a bearing assembly to thereby rotatably support the orbiting scroll.
REFERENCES:
patent: 1098458 (1914-06-01), Nelson
patent: 1156700 (1915-10-01), May
patent: 3463091 (1969-08-01), Delsuc
patent: 3994636 (1976-11-01), McCullough et al.
patent: 4082484 (1978-04-01), McCullough
patent: 4201521 (1980-05-01), Carlson
Sanden Corporation
Vrablik John J.
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