Patents by Inventor Steve Witter

Steve Witter 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).

  • Examination system for electric vehicle or hybrid electric vehicle
    Patent number: 9086333
    Abstract: The present invention is able to perform an examination of a motor mounted on EV or HEV (HV) as well as charge and discharge of a battery mounted on EV or HEV (HV), by a single system. The system includes a dynamometer coupled to an output shaft of a motor, a power supply unit for supplying power to the motor or the dynamometer, a motor examination circuit for supplying the power of the power supply unit to the dynamometer and the motor, a battery charge and discharge circuit connected with a battery, for supplying the power of the power supply unit to the battery or discharging the power of the battery, and a circuit switching mechanism for switching between the motor examination circuit and the battery charge and discharge circuit.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: July 21, 2015
    Assignee: HORIBA Instruments Incorporated
    Inventors: Richard Rumer, Steve Witter, Masahiro Yao, Kazuhisa Sasahara, Mineyuki Komada
  • Examination system for electric vehicle or hybrid electric vehicle
    Publication number: 20120323417
    Abstract: The present invention is able to perform an examination of a motor mounted on EV or HEV (HV) as well as charge and discharge of a battery mounted on EV or HEV (HV), by a single system. The system includes a dynamometer coupled to an output shaft of a motor, a power supply unit for supplying power to the motor or the dynamometer, a motor examination circuit for supplying the power of the power supply unit to the dynamometer and the motor, a battery charge and discharge circuit connected with a battery, for supplying the power of the power supply unit to the battery or discharging the power of the battery, and a circuit switching mechanism for switching between the motor examination circuit and the battery charge and discharge circuit.
    Type: Application
    Filed: June 16, 2011
    Publication date: December 20, 2012
    Applicants: HORIBA, Ltd., HORIBA Instruments Incorporated
    Inventors: Richard Rumer, Steve Witter, Masahiro Yao, Kazuhisa Sasahara, Mineyuki Komada