Patents by Inventor Mohammad Khalid KHAN

Mohammad Khalid KHAN 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).

  • Engine fuel control system
    Patent number: 9470152
    Abstract: An engine fuel control system includes a metering valve to control fuel flow between the supply and delivery line with a pressure drop control regulating the pressure across the valve and maintain a substantially constant pressure across the valve. The fuel control system includes a backup system controllable by a pullback signal to operate the pressure control, thus increasing the pullback signal reducing the fuel flow between the supply and delivery line. The fuel control system detects a start of an engine overthrust event, and when the upward runaway is caused by the arrested overthrust event. The fuel control system's controller which (i) determines the overthrust detection, the pullback signal increase rate and the pullback signal offset, (ii) sends the pullback signal to the backup system at the rate of increase, and (iii), reduces the pullback signal to the backup system when the upward runaway is arrested by the offset.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: October 18, 2016
    Assignee: ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    Inventors: Alexander MacDonald, Mohammad Khalid Khan, Nigel Herbert Henson
  • ENGINE FUEL CONTROL SYSTEM
    Publication number: 20140216037
    Abstract: An engine fuel control system includes a metering valve to control fuel flow between the supply and delivery line with a pressure drop control regulating the pressure across the valve and maintain a substantially constant pressure across the valve. The fuel control system includes a backup system controllable by a pullback signal to operate the pressure control, thus increasing the pullback signal reducing the fuel flow between the supply and delivery line. The fuel control system detects a start of an engine overthrust event, and when the upward runaway is caused by the arrested overthrust event. The fuel control system's controller which (i) determines the overthrust detection, the pullback signal increase rate and the pullback signal offset, (ii) sends the pullback signal to the backup system at the rate of increase, and (iii), reduces the pullback signal to the backup system when the upward runaway is arrested by the offset.
    Type: Application
    Filed: January 14, 2014
    Publication date: August 7, 2014
    Applicant: ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    Inventors: Alexander MACDONALD, Mohammad Khalid KHAN, Nigel Herbert HENSON