Brake for DC motor

Details Brake for DC motor Brake for DC motor

2005-07-05

2005-07-05

Schwartz, Chris (Department: 3683)

Brakes

Operators

Electric and mechanical

C318S132000, C318S434000, C251S129110

Reexamination Certificate

active

06913122

ABSTRACT:
A braking device of a DC motor has a position detecting means to detect a position of a motor shaft, a rotational speed detecting means to detect a rotational speed of the motor and a braking means to generate a braking force based on a position signal and a speed signal detected by both of the means, and stops the motor shaft quickly and smoothly without making the motor shaft collide with a stopper.

REFERENCES:
patent: 4742989 (1988-05-01), Akagi
patent: 4816987 (1989-03-01), Brooks et al.
patent: 5029597 (1991-07-01), Leon
patent: 5682089 (1997-10-01), Bolte et al.
patent: 5847530 (1998-12-01), Hill
patent: 6051943 (2000-04-01), Rabin et al.
patent: 6435169 (2002-08-01), Vogt
patent: 57-138882 (1982-08-01), None

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