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SYSTEM AND METHOD FOR POWERING A POWER CONSUMING VEHICLE ACCESSORY DURING AN OFF STATE OF THE VEHICLE

  • US 20080271937A1
  • Filed: 05/01/2007
  • Published: 11/06/2008
  • Est. Priority Date: 05/01/2007
  • Status: Abandoned Application
First Claim
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1. A system for powering a power consuming vehicle accessory of a hybrid electric vehicle having a vehicle on state and a vehicle off state, the system comprising:

  • at least one of a mechanical power plant and a chemical power plant to move the vehicle;

    a traction battery, having a state of charge, to power the power consuming vehicle accessory during the vehicle off state;

    an electric motor to operatively couple the at least one power plant and traction battery; and

    a traction battery controller electrically connected with the traction battery to periodically monitor the state of charge of the traction battery during the vehicle off state and to enable the traction battery to power the power consuming vehicle accessory, if the state of charge of the traction battery is greater than a minimum state of charge of the traction battery necessary to start the at least one power plant, in response to a command signal received during the vehicle off state.

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