Motor braking for air conditioning system
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United States of America Patent
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Jun 25, 2024
Grant Date -
Apr 6, 2023
app pub date -
Oct 4, 2022
filing date -
Oct 5, 2021
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An air conditioning system including a compressor having a motor; a condenser; an evaporator; a drive providing multiphase, AC output to the motor; a motor braking assembly electrically connected to the drive, the motor braking assembly including at least one switch and at least one braking resistor; wherein the at least one switch is held in an open state by power from the drive; wherein upon disruption of power to the motor, the at least one switch assumes a closed state shorting windings of the motor through the at least one braking resistor.
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