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Detectible indication of an electric motor vehicle standby mode

  • US 9,292,983 B2
  • Filed: 07/10/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 10/05/2011
  • Status: Active Grant
First Claim
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1. A method of operating a power system for vehicle having a traction electric motor, the method comprising:

  • sensing an idling state of the vehicle by sensing a characteristic of the traction electric motor;

    supplying a first amount of electrical power to the traction electric motor; and

    controlling the first amount of electrical power supplied to the traction electric motor based in part on the sensed idling state, the first amount of electrical power being sufficient to create vibration of the traction electric motor detectible by a user and insufficient to cause the vehicle to exit the idling state.

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