Hermetic type compressor having an oil feed part

Details Hermetic type compressor having an oil feed part Hermetic type compressor having an oil feed part

1996-07-15

1998-12-01

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

With relatively movable partition member

418 88, 418 94, F04C 18356, F04C 2902

Patent

active

058428461

ABSTRACT:
In a hermetic type compressor, a sliding part (11) between a main shaft (4) and a lower end plate (8) is large in wear, and it is not allowed to operate stably for a long period. By communicating between the sliding part (11) and an oil feed pump (9) through an oil feed port (12), refrigerating machine oil (2) is supplied by force into the sliding part (11), and hence the lubrication is improved and the reliability is enhanced. In particular, it is preferably applied to the hermetic type compressor using HFC derivative refrigerants.

REFERENCES:
patent: 2199762 (1940-05-01), Smith
patent: 3056542 (1962-10-01), Galin
patent: 4704076 (1987-11-01), Kawaguchi et al.
patent: 5564917 (1996-10-01), Leyderman et al.

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