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

1984-06-19

Levy, Stuart S.

Bearings

Rotary bearing

Plain bearing

384368, 384399, 384415, F16C 1704, F16C 3310, F16N 728

Patent

active

044550987

ABSTRACT:
A self-pumping thrust bearing for electric machines having a vertical shaft is disclosed in which oil circulates through radially-extending bores in a rotating thrust ring to suck hot oil from an oil space and transfer it to a ring canal disposed in a stationary part. In order to make the transition from the rotating thrust ring to the stationary ring canal as loss free as possible, there is arranged on the outside at the thrust ring a circular canal into which the bores lead. This circular canal is bounded on the side facing the stationary part by a height-adjustable ring which is held at the thrust ring with a gap between the ring and the thrust ring. The transfer of oil therefore takes place around the entire circumference of the thrust ring so that turbulence is avoided. The quantity of oil pumped can be adjusted by adjusting the width of the gap.

REFERENCES:
patent: 3922042 (1975-11-01), Sato et al.

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