Rolling piston rotary compressor formed with lubrication grooves

Details Rolling piston rotary compressor formed with lubrication grooves Rolling piston rotary compressor formed with lubrication grooves

1995-05-26

1997-09-16

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 94, F04C 18356, F04C 2902

Patent

active

056673728

ABSTRACT:
A rotary compressor is disclosed. The compressor reduces frictional loss in a contact part between the rolling piston and the eccentric sheave and in contact parts between the crankshaft and the main and sub bearings by achieving smooth lubrication to the contact parts. In the compressor, a lubricating groove is formed on the outer surface of the eccentric sheave. A hole communicating with the internal oil conduit of the crankshaft is formed in the lubricating groove and supplies oil from the oil conduit to the outer surface of the sheave. Lubricating grooves are also formed on the inner surfaces of the main and sub bearings so as to facilitate oil supply for the contact parts between the crankshaft and the bearings.

REFERENCES:
patent: 2199762 (1940-05-01), Smith
patent: 2246275 (1941-06-01), Davidson
patent: 2258425 (1941-10-01), Smith
patent: 2306608 (1942-12-01), Hubacker
patent: 4710111 (1987-12-01), Kubo
patent: 5116208 (1992-05-01), Parme

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