Patents by Inventor Roy M. Wood

Roy M. Wood 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).

  • Back pressure valve for fuel injection system
    Patent number: 6647968
    Abstract: A method and apparatus to increase the fuel economy of a diesel engine having an injection system fuel rail by increasing the flow rate of fuel being returned to the tank hence decreasing the temperature of the fuel returned to the tank from the fuel rail while maintaining a given pressure at the fuel rail.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: November 18, 2003
    Inventors: James Dwayne Hankins, Roy M. Wood
  • FUEL INJECTION SYSTEM, COMPONENTS THEREFOR AND METHODS OF MAKING THE SAME
    Publication number: 20020134360
    Abstract: A method and apparatus to increase the fuel economy of a diesel engine having an injection system fuel rail by increasing the flow rate of fuel being returned to the tank hence decreasing the temperature of the fuel returned to the tank from the fuel rail while maintaining a given pressure at the fuel rail.
    Type: Application
    Filed: March 5, 2001
    Publication date: September 26, 2002
    Inventors: James Dwayne Hankins, Roy M. Wood
  • Fuel injection system, components therefor and methods of making the same
    Patent number: 6446612
    Abstract: A method and apparatus to increase the fuel economy of a diesel engine having an injection system fuel rail by increasing the flow rate of fuel being returned to the tank hence decreasing the temperature of the fuel returned to the tank from the fuel rail while maintaining a given pressure at the fuel rail.
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: September 10, 2002
    Inventors: James Dwayne Hankins, Roy M. Wood