Air bearing and antifriction bearing assembly

Details Air bearing and antifriction bearing assembly Air bearing and antifriction bearing assembly

1981-10-09

1983-07-19

Levy, Stuart S.

Bearings

Rotary bearing

Fluid bearing

384102, 384126, 308189R, F16C 2100, F16C 3507

Patent

active

043940919

ABSTRACT:
A hybrid bearing assembly includes a shaft rotatably supportable within a shaft housing by a hydrodynamic foil bearing acting in parallel with an antifriction bearing. The shaft is supported solely by the antifriction bearing at zero and low shaft speeds, and is supported solely by the foil bearing at the running speed. As the shaft accelerates from low speeds through running speed, support of the shaft is shared between the antifriction bearing and the foil bearing which act in parallel.

REFERENCES:
patent: 3305280 (1967-02-01), Peterson
patent: 3603654 (1971-09-01), Bird
patent: 3642331 (1972-02-01), Silver
General Motors, Gas/Ball Bearings, May 1962.

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