Rotary compressor with oil groove between journal and journal be

Details Rotary compressor with oil groove between journal and journal be Rotary compressor with oil groove between journal and journal be

1986-03-10

1987-12-01

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 94, 418151, 184 616, 184 618, 384398, F04C 18356, F04C 2902, F01M 100, F16C 3310

Patent

active

047101113

ABSTRACT:
A rotary compressor which essentially includes a journal, a compression mechanism including a cylinder and a rolling piston provided on the journal to suck, compress and discharge refrigerant gas by rotating the rolling piston eccentrically in the interior of the cylinder, a motor to drive the journal, a journal bearing to support freely to rotate the journal, and an axial direction oil groove to introduce a lubricating oil into a gap between the journal and the journal bearing, the axial direction oil groove being formed along the axial direction of the journal at a position corresponding to a low pressure area of an oil film of the lubricating oil caused by a deflection of the journal due to the eccentric rotation of the rolling piston.

REFERENCES:
patent: 1677780 (1928-07-01), Jaworowski
patent: 3499600 (1970-03-01), McGregor
patent: 3622212 (1971-11-01), Laumont
patent: 4626180 (1986-12-01), Tagawa et al.
ISME, Tokyo, chap. 2, Sec. 5; "Recent Developments in Bearing Technology and Their Influence on Marine Propulsion Machinery"; J. Campbell, et al, 1973.

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