Stress relief in a magnetic thrust bearing

Details Stress relief in a magnetic thrust bearing Stress relief in a magnetic thrust bearing

1998-12-22

2000-05-02

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 384100, 384102, F16C 3906

Patent

active

060576197

ABSTRACT:
Undesirably high stresses are minimized in a magnetic thrust bearing (15) having a disc (52) mounted on a shaft (54). The disc (52) is flanked on both sides (60,62) by respective armatures (68,70) which act to apply a magnetic field to the disc (52) to locate the same at a desired location along the axis (66) of the rotor (14) of the machine in which the thrust bearing (15) is employed. A peripheral, radially outwardly opening, annular groove (76) is disposed in the outer periphery (64) of the thrust bearing disc (52) to relieve stresses during operation.

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