Thrust bearing starter apparatus

Details Thrust bearing starter apparatus Thrust bearing starter apparatus

1982-10-28

1985-01-08

Levy, Stuart S.

Bearings

Rotary bearing

Plain bearing

384121, 384126, 384229, 384302, 384453, F16C 1710, F16C 1950, F16C 2100, F16C 3904

Patent

active

044924810

ABSTRACT:
A thrust bearing assembly is provided which reduces initial axial loading on a shaft's thrust bearing in order to correspondingly reduce the required torque for rotational start-up. The shaft's bearing runner is forced in a direction away from its associated thrust bearing during initial start-up procedures by a suitable means for imparting a force on the bearing runner in a direction away from the thrust bearing. The force is provided by a piston and cylinder combination, in the preferred embodiment, which provides an axial force in a direction opposing the initial shaft loading force. An anti-friction guide bearing is used to transfer this force from the piston to the shaft and, in turn, to the bearing runner.

REFERENCES:
patent: 2191901 (1940-02-01), Wallgren
patent: 2813761 (1957-11-01), Pilarczyk
patent: 3586400 (1971-06-01), Wallin
patent: 3635533 (1972-01-01), Galloway
patent: 3910650 (1975-10-01), Kraus
patent: 4000559 (1977-01-01), Korrenn et al.
patent: 4084862 (1978-04-01), Ishida et al.

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