Oil feeding device for scroll fluid apparatus

Details Oil feeding device for scroll fluid apparatus Oil feeding device for scroll fluid apparatus

1981-10-27

1984-07-31

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 94, 184 616, 184 618, 184 31, 384 99, F01C 102, F01C 2102, F01C 2104, F01M 106

Patent

active

044627726

ABSTRACT:
An oil feeding device for plain bearings supporting a crankshaft connected to an orbital scroll member in a scroll fluid apparatus, including axially extending oil flow passages formed on the outer peripheral surface of the crankshaft at portions journaled by the plain bearings but displaced from the lines of action of lateral loads caused by fluid pressure in the sealed space between two scroll members, thereby generating bearing oil film reactions commensurate with the lateral loads, so as to produce an optimum oil film pressure distribution for the bearings at all times.

REFERENCES:
patent: 2066177 (1936-12-01), Johnson
patent: 3848702 (1974-11-01), Bergman
patent: 4065279 (1977-12-01), McCullough
patent: 4343599 (1982-08-01), Kousokabe
patent: 4365941 (1982-12-01), Tojo et al.

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