Hemispherical dynamic pressure bearing

Details Hemispherical dynamic pressure bearing Hemispherical dynamic pressure bearing

1997-11-10

1999-03-16

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

384108, H02K 516, H02K 5167, F16C 3206

Patent

active

058834532

ABSTRACT:
A hemispherical dynamic pressure bearing includes a supporting shaft, a fixed hemisphere fixed on a first end of the supporting shaft, and a sliding hemisphere slidably disposed on a second end of the supporting shaft. A spring is disposed on the supporting shaft for biasing the sliding hemisphere away from the fixed hemisphere. A bushing has first and second hemispherical grooves in which the fixed and sliding hemispheres are disposed, respectively. A gap adjuster is connected to the shaft for adjusting a gap between each hemisphere and its respective groove. The gap adjuster applies a variable force against the sliding hemisphere to compress the spring.

REFERENCES:
patent: 2919960 (1960-01-01), Whitney
patent: 4095855 (1978-06-01), Fox
patent: 4664243 (1987-05-01), Martin
patent: 5689146 (1997-11-01), Cheever
patent: 5709480 (1998-01-01), Hong
patent: 5760509 (1998-06-01), Chung
patent: 5783882 (1998-07-01), Brezoczky et al.

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