Hemispherical dynamic pressure bearing

Details Hemispherical dynamic pressure bearing Hemispherical dynamic pressure bearing

1997-12-03

1999-09-14

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 905, 384107, 384108, H02K 516

Patent

active

059527528

ABSTRACT:
A motor includes a rotor bushing having first and second hemispherical grooves formed on top and bottom surfaces thereof, first and second hemispherical bearings inserted into the first and second hemispherical grooves, respectively, and a supporting shaft extending through the rotor bushing and fixed to the first and second hemispherical bearings. Respective heights of the first and second hemispherical grooves measured in the axial direction of the shaft are different from (i.e., are either greater than or less than) the axial depths of the first and second hemispherical grooves, respectively.

REFERENCES:
patent: 5760509 (1998-06-01), Chung
patent: 5801464 (1998-09-01), Brezoczky
patent: 5883453 (1999-03-01), Choi

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