Lubricating device for a motor compressor

Details Lubricating device for a motor compressor Lubricating device for a motor compressor

1978-04-03

1983-03-08

Smith, Leonard E.

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

184 616, 415 88, 415 91, 417372, F04B 3902

Patent

active

043759440

ABSTRACT:
A lubricating device, especially for use with a hermetic motor compressor unit, having a vertical shaft extending downwardly into a lubricant sump. The lubricating device comprises a pick-up tube having a larger diameter upper cylindrical portion open at the upper end thereof and adapted for being fitted into a central bore in the shaft, a smaller diameter lower cylindrical portion adapted to be immersed in fluid in the sump, a tapering transition region connecting the upper and lower cylindrical portions, an inlet port extending axially into the lower end of the lower portion, and the pair of diametrally opposite ribs on the lower cylindrical portion comprising ridges on the inner surface and corresponding hollows on the outer surface thereof.

REFERENCES:
patent: 3135213 (1964-06-01), Smith et al.
patent: 3181796 (1965-05-01), Keller
patent: 3410478 (1968-11-01), Geisenhaver
patent: 3560117 (1971-02-01), Valbjorn

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