发明授权
US06039157A Eddy current braking system 失效
涡流制动系统

Eddy current braking system
摘要:
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).
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