Eddy current braking system

Details Eddy current braking system Eddy current braking system

1998-02-25

2000-03-21

Graham, Matthew C.

Brakes

Operators

Electric

188164, B60L 700

Patent

active

06039157&

ABSTRACT:
Magnets (20) are separated by ferromagnetic plates (21) from an inner surface of a brake drum (13) made of steel and secured to a rotational shaft (4). When the rotating brake drum (13) crosses magnetic flux generated by the magnets (20), a braking force caused by eddy currents is produced in the brake drum (13). An annular body (41) formed of a good conductor such as copper is fastened adjacent to at least one side surface of the brake drum (13) in a position axially spaced from the plates (21).

REFERENCES:
patent: 5023499 (1991-06-01), Kuwahara
patent: 5219050 (1993-06-01), Kubomiya
patent: 5303802 (1994-04-01), Kuahara

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