Oil pump for compressor

Details Oil pump for compressor Oil pump for compressor

1997-12-11

1999-12-14

Graysay, Tamara L.

Lubrication

Systems

Rotary compressor

417372, F01M 100

Patent

active

060005009

ABSTRACT:
A compressor has a piston attached to an eccentric part of a rotary shaft for being reciprocated to compress refrigerant. In order to provide lubricating oil to the shaft, an oil paddle is mounted in a hole of the eccentric part for pumping oil from the bottom of the compressor. The paddle includes a longitudinally extending gap rendering the paddle flexible so that either end thereof can be mounted in the hole. The paddle also includes slots formed in upper and lower ends of the paddle, respectively, in diametrically opposing relationship to the gap. The lower slot is submersed in the oil to reduce the amount of oil that is pumped and thereby reducing generated noise.

REFERENCES:
patent: 2440812 (1948-05-01), Simpson
patent: 3858685 (1975-01-01), Bono
patent: 4209080 (1980-06-01), Douglas
patent: 5088579 (1992-02-01), Kim et al.
patent: 5377781 (1995-01-01), Yun

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