Patents by Inventor William Lester Kelledes

William Lester Kelledes 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).

  • Control of regeneration energy from an electric motor
    Patent number: 6121740
    Abstract: A method and apparatus are disclosed for controlling regenerative energy from an induction motor. The induction motor is connected to a battery, which is intended to capture the regenerative energy of the induction motor. Normally, the induction motor is operated at peak efficiency, to capture as much energy as possible. However, when the battery becomes nearly fully charged, the induction motor is operated at reduced efficiency to prevent overcharging of the battery. The operating point of reduced efficiency of the induction motor is a point at which electrical losses are relatively more located in the stator of the motor than in the rotor of the motor. The stator of an induction motor is generally better cooled than the rotor.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: September 19, 2000
    Assignee: Ford Global Technologies, Inc.
    Inventors: Allan Roy Gale, William Lester Kelledes