Patents by Inventor Ronald Hedström

Ronald Hedström has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Battery charging system with an on-board charger
    Patent number: 9834113
    Abstract: A battery charging system of a vehicle and method for charging a low-voltage battery from a high-voltage battery or an external power supply are provided, where the battery charging system includes an on-board charger (OBC) to charge the low voltage battery either from the high-voltage battery or from the external power supply, and the OBC is powered either by the low-voltage battery or the external power supply.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: December 5, 2017
    Inventors: Morten Gunnerud, Ronald Hedström, Mårten Ekström
  • BATTERY CHARGING SYSTEM FOR ELECTRIC VEHICLE
    Publication number: 20150306973
    Abstract: A battery charging system of a vehicle and method for charging a low-voltage battery from a high-voltage battery or an external power supply are provided, where the battery charging system includes an on-board charger (OBC) to charge the low voltage battery either from the high-voltage battery or from the external power supply, and the OBC is powered either by the low-voltage battery or the external power supply.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Inventors: Morten GUNNERUD, Ronald Hedström, Mårten Ekström