Motor drive unit of a DC electric motor
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United States of America Patent
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May 18, 2021
Grant Date -
Jun 11, 2020
app pub date -
Nov 1, 2019
filing date -
Dec 6, 2018
priority date (Note) -
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Abstract
A motor drive unit for driving a direct current electric motor including a moving part equipped with permanent magnets. The motor drive unit, which is powered by a voltage supply source, includes a switch circuit, an inductor circuit and a capacitor circuit including a set of capacitors. By selectively opening and closing the switches of the switch circuit, a series of consecutive low energy pulses can be generated such that the power consumption of the motor drive circuit is minimized.
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