Patents by Inventor David Estes Smith

David Estes Smith 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).

  • Closed-loop power control for hybrid electric vehicles
    Patent number: 7275610
    Abstract: A control system and control method for a hybrid electric vehicle powertrain having an engine, an electric motor and an electric generator with gearing for effecting split power distribution from separate power sources. Power delivery to vehicle traction wheels is coordinated to meet a driver's demand for power as much as possible without violating predefined maximum and minimum powertrain limits, including the limits of the battery subsystem.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: October 2, 2007
    Assignee: Ford Global Technologies, LLC
    Inventors: Ming Lang Kuang, David Estes Smith, Fazal Urrahman Syed
  • Closed-loop power control for hybrid electric vehicles
    Patent number: 6991053
    Abstract: A control system and control method for a hybrid electric vehicle powertrain having an engine, an electric motor and an electric generator with gearing for effecting split power distribution from separate power sources. Power delivery to vehicle traction wheels is coordinated to meet a driver's demand for power as much as possible without violating predefined maximum and minimum powertrain limits, including the limits of the battery subsystem.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: January 31, 2006
    Assignee: Ford Global Technologies, LLC
    Inventors: Ming Lang Kuang, David Estes Smith, Fazal Urrahman Syed
  • CLOSED-LOOP POWER CONTROL SYSTEM FOR HYBRID ELECTRIC VEHICLES
    Publication number: 20040168840
    Abstract: A control system and control method for a hybrid electric vehicle powertrain having an engine, an electric motor and an electric generator with gearing for effecting split power distribution from separate power sources. Power delivery to vehicle traction wheels is coordinated to meet a driver's demand for power as much as possible without violating predefined maximum and minimum powertrain limits, including the limits of the battery subsystem.
    Type: Application
    Filed: February 27, 2003
    Publication date: September 2, 2004
    Applicant: FORD GLOBAL TECHNOLOGIES, INC.
    Inventors: Ming Lang Kuang, David Estes Smith, Fazal Urrahman Syed