Noncontact bearing utilizing magnetism

Details Noncontact bearing utilizing magnetism Noncontact bearing utilizing magnetism

1990-08-03

1991-08-27

Beha, Jr., William H.

Electrical generator or motor structure

Dynamoelectric

Rotary

310152, F16C 3906

Patent

active

050436155

ABSTRACT:
A noncontact magnetic bearing has cylindrical magnetic members magnetized axially, slightly different in radius and different in length, disposed in opposite relation to each other, with their magnetic poles of reverse polarities displaced vertically relative to each other. Either the inner cylindrical magnetic member or the outer cylindrical magnetic member can be used as a shaft, and consequently, the other is fixed to a support member. The inner cylindrical magnetic member and the other cylindrical magnetic member are held at a stable and mutual-noncontact state to provide a noncontact magnetic bearing that is stable axially, as well as radially.

REFERENCES:
patent: 2585714 (1952-02-01), Wrobel et al.
patent: 3614181 (1971-10-01), Meeks
patent: 4563046 (1986-01-01), Shimamoto
patent: 4668885 (1987-05-01), Scheller

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