Permanent magnet type eddy current braking system

Details Permanent magnet type eddy current braking system Permanent magnet type eddy current braking system

1997-09-05

1999-08-31

Oberleitner, Robert J.

Brakes

Operators

Electric and mechanical

188164, 188158, 188267, F16D 6536

Patent

active

059441496

ABSTRACT:
A guide tube formed from non-magnetic material defines a cavity of rectangular section arranged within a brake drum, and a plurality of ferromagnetic plates are retained at equal circumferential intervals by an outer portion of the guide tube. Magnet support tubes formed out of magnetic material and axially spaced and rotatably supported in the cavity of the guide tube and magnets twice in number of the ferromagnetic plates are mounted to outer surfaces of the magnet support tubes with pairs of the magnets having common and alternating polarities. The magnet support tubes are reciprocatively rotated by actuators to produce non-braking, braking and partial braking conditions.

REFERENCES:
patent: 3488535 (1970-01-01), Baermann
patent: 5855256 (1999-01-01), Kuwahara

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