Method of calibration of hysteresis brakes

Details Method of calibration of hysteresis brakes Method of calibration of hysteresis brakes

1993-12-16

1995-03-28

Graham, Matthew C.

Brakes

Operators

Electric

310105, 318254, 318721, H02P 1500

Patent

active

054008760

ABSTRACT:
A hysteresis brake including a casing having internal alternating first slots and first teeth, a pole having external alternating second slots and second teeth, a rotor including an annular portion located in spaced relationship between the casing and pole, and structure for permitting the pole and casing to be rotationally adjusted relative to each other and to lock the first slots and teeth of the casing in a rotationally adjusted position relative to the second slots and teeth of the pole to cause the brake to provide a torque output of a substantially predetermined value at a predetermined current. A method of calibrating a hysteresis brake to provide a torque of a substantially predetermined value at a predetermined current including the steps of rotating the casing and pole relative to each other to a position which provides substantially the desired torque at the predetermined current, and locking the casing and pole to each other in that position.

REFERENCES:
patent: 3229132 (1966-01-01), Cohen et al.
patent: 3700941 (1972-10-01), Duncan
patent: 3890515 (1975-06-01), Fehr et al.
patent: 4169990 (1979-10-01), Erdman
patent: 4278927 (1981-07-01), Grohe
patent: 4848526 (1989-07-01), Fargier et al.

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