Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1996-08-29
1998-10-27
Ro, Bentsu
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
318273, 318701, 318703, H02P 624
Patent
active
058281959
ABSTRACT:
Apparatus for braking either a linear or rotary electric motor having no permanent magnets comprising at least one position sensor for outputting an electrical characteristic representative of motor position and an electronic circuit for generating a pulsed control signal for controlling the braking of the motor. The electronic circuit of the present invention may be responsive to any emergency such as loss of line power, a motion controller failure, or actuation of a limit switch by a driven member.
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Ro Bentsu
Universal Instruments Corporation
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