Self-pumping thrust bearing for electric machines

Details Self-pumping thrust bearing for electric machines Self-pumping thrust bearing for electric machines

1982-09-30

1985-01-22

Jillions, John M.

Bearings

Rotary bearing

Plain bearing

384303, 384311, 384415, F16C 1706, F16C 1700, F16C 3310

Patent

active

044948824

ABSTRACT:
A self-pumping thrust bearing for electric machines having a vertical shaft is disclosed in which the oil is circulated via radially-extending bores which suck hot oil from an oil space adjacent to the vertical shaft and conduct it to at least one cooler through a stationary ring canal. In order to prevent air bubbles or foamed oil from being circulated with the oil, the oil suction space is enlarged by a recess extending to the radial bores on the inside of the thrust ring and additional radial bores are provided which open toward the oil suction space below the top end of a cylinder wall rotating with the thrust bearing which begins at the thrust ring. The oil contained in the oil suction space rotates together with the thrust ring, and a segregation of air bubbles or oil foam from the oil is obtained during the dwell time of the oil in the oil suction space.

REFERENCES:
patent: 3977738 (1976-08-01), Sundstrand

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