Security mechanisms for electric motors and associated systems
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United States of America Patent
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Jul 11, 2023
Grant Date -
Jun 6, 2019
app pub date -
Nov 30, 2018
filing date -
Dec 1, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to security mechanisms for electric motors and associated systems. For example, the present technology includes a powertrain assembly having (1) a motor having multiple sets of coils; (2) a drive circuitry electrically coupled to the multiple sets of coils; and (3) a security unit electrically coupled to the drive circuitry and the multiple sets of coils. The security unit is configured to short-circuit at least one set of the multiple sets of coils responsive to a signal from a controller. The signal indicates that the motor is, or has been, turned off.
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