Magnetically-operable brake device

Details Magnetically-operable brake device Magnetically-operable brake device

1994-02-09

1996-02-13

Graham, Matthew C.

Brakes

Operators

Electric

188164, 310 77, H02K 4910

Patent

active

054905834

ABSTRACT:
A brake device comprises a stack of friction plates (6,7) compressible to have a braking effect between an armature (9) and a magnet structure (10,) the structure including a permanent magnet (11) urging the armature towards the magnet structure to effect braking, and an electromagnet (12) energizable to augment the effect of the permanent magnet, or to oppose it either partially or completely so as to release the braking effect.

REFERENCES:
patent: 2765878 (1956-10-01), Pierce
patent: 3199645 (1965-08-01), Henning
patent: 3512618 (1970-05-01), Schafer
patent: 3899061 (1975-08-01), Krug
patent: 3902581 (1975-04-01), Knudsen
patent: 4717865 (1988-01-01), Caputo
patent: 5121018 (1992-06-01), Oldakowski
patent: 5185542 (1993-02-01), Lazorchak

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