×

Charge Notification Method for Extended Range Electric Vehicles

  • US 20120016551A1
  • Filed: 07/19/2010
  • Published: 01/19/2012
  • Est. Priority Date: 07/19/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method of assisting a user of an electric vehicle having a chargeable onboard energy storage system in maintaining a charge state of the chargeable onboard energy storage system comprising:

  • identifying one or more charging locations for the vehicle;

    determining the charge state of the onboard energy storage system to evaluate the remaining usable energy in the onboard energy storage system;

    determining whether the remaining usable energy in the onboard energy storage system is at least as great as a point of reference value;

    if the remaining usable energy in the onboard energy storage system is found to be less than the point of reference value, determining whether the vehicle is powered down;

    resolving a current location of the vehicle if it is determined that the vehicle is powered down;

    if the current vehicle location matches one of the identified one or more charging locations for the vehicle; and

    conveying a charge reminder to the user of the vehicle.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×