Patents by Inventor Arshad Karim

Arshad Karim 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).

  • METHOD OF REDUCING HIGH CYCLE FATIGUE OF TURBOCHARGERS
    Publication number: 20050115239
    Abstract: A method of reducing high cycle fatigue of a turbocharger fitted to an internal combustion engine in which fuel supply to the engine is controlled by an electronic engine management unit (ECU) in accordance with a fuel map of fuel values required to meet different engine operating conditions. The method comprises varying the fuel value F associated with a particular engine operating condition to thereby prevent the turbocharger running at the same constant speed each time said particular engine operating condition arises.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 2, 2005
    Inventors: Pierre French, Arshad Karim, David Antcliffe
  • Method of reducing high cycle fatigue of turbochargers
    Patent number: 6889502
    Abstract: A method of reducing high cycle fatigue of a turbocharger fitted to an internal combustion engine in which fuel supply to the engine is controlled by an electronic engine management unit (ECU) in accordance with a fuel map of fuel values required to meet different engine operating conditions. The method comprises varying the fuel value F associated with a particular engine operating condition to thereby prevent the turbocharger running at the same constant speed each time said particular engine operating condition arises.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: May 10, 2005
    Assignee: Holset Engineering Company, Limited
    Inventors: Pierre French, Arshad Karim, David Antcliffe