Switchable permanent magnet brake

Details Switchable permanent magnet brake Switchable permanent magnet brake

1982-10-18

1984-11-13

Halvosa, George E. A.

Brakes

Operators

Electric

105 77, 188264A, 192 84PM, 335304, 335306, B60L 728

Patent

active

044820348

ABSTRACT:
A switchable permanent magnet eddy current or track brake which has a high density of permanent magnet material, a low internal flux leakage and a higher than heretofore output flux density. The pole shoes of the movable magnets are convex cylindrical segment-shaped and mate with concave cylindrical segment-shaped recesses in the lateral flux return pieces for the fixed magnets.

REFERENCES:
patent: 2209558 (1940-07-01), Bing et al.
patent: 2243616 (1941-05-01), Bing et al.
patent: 2287286 (1942-06-01), Bing et al.
patent: 2347023 (1944-04-01), Beechlyn
patent: 3987873 (1976-10-01), Ruberte
patent: 4055824 (1977-10-01), Baermann
patent: 4122922 (1978-10-01), Baermann
patent: 4250478 (1981-05-01), Cardone et al.

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