Compressor with ducted crankshaft having a grooved end for oil d

Details Compressor with ducted crankshaft having a grooved end for oil d Compressor with ducted crankshaft having a grooved end for oil d

1981-07-09

1984-10-23

Croyle, Carlton R.

Pumps

Motor driven

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

417372, 417902, F04B 1700, F04B 3902

Patent

active

044785593

ABSTRACT:
The vertical crankshaft of a hermetic compressor has a longitudinal inner duct for drawing-off oil from the bottom of the hermetic housing. This duct comprises a cylindrical vertical upper duct section which is eccentric relative to the axis of rotation of the shaft, and has its outlet at the upper end of the shaft. At this upper end there is a side outlet passage which comprises a groove made in the upper end face of the shaft and extending from the outlet of the eccentric duct section to the lateral surface of the upper end portion of the shaft in the area in which the outlet and surface are closest together. The bottom of the groove slopes upwards towards the lateral surface.

REFERENCES:
patent: 3451615 (1969-06-01), Hover
patent: 3572978 (1971-03-01), Scheldorf
patent: 3663127 (1972-05-01), Cheers
patent: 4236879 (1980-12-01), Abe

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