Control arrangement for controlling the power supplied to an electric motor
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United States of America Patent
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Dec 25, 1990
Grant Date -
N/A
app pub date -
Nov 20, 1989
filing date -
Nov 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control arrangement for controlling the power supplied to an electric motor connected to a rotary member to drive same in rotation by way of a belt drive, to accelerate the rotary member to a given speed and to brake it in a slip-free manner provides that a signal which is proportional to the speed of rotation of the rotary member is compared to a signal which is proportional to the speed of rotation of the motor. The supply of power to the electric motor is correspondingly controlled in dependence on the result of the comparison operation.
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