Drain pump driving apparatus and laundry treatment machine including the same
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United States of America Patent
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Jan 2, 2024
Grant Date -
Sep 16, 2021
app pub date -
Jul 5, 2019
filing date -
Jul 6, 2018
priority date (Note) -
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Abstract
The present disclosure relates to a drain pump driving apparatus and a laundry treatment machine including the same. A drain pump driving apparatus according to an embodiment of the present disclosure includes: a converter; a voltage dropper to drop the DC voltage from the converter; an inverter module to operate based on a first voltage from the voltage dropper and to output AC voltage converted by a switching operation to a drain pump motor; a controller to operate based on a second voltage from the voltage dropper and to control the inverter module; and a voltage adjuster to adjust the level of voltage information of the motor outputted from the inverter module and to output the adjusted voltage information to the controller. Accordingly, it is possible to stably drive the drain motor.
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