Patents by Inventor Denis Martin O'Shea

Denis Martin O'Shea 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).

  • Fuel system
    Patent number: 8511414
    Abstract: A system comprises a pressure raising valve having a valve member movable within a bore between a closed position and an open position in which fuel supplied to the pressure raising valve from a metering valve, in use, is delivered to an engine manifold, the valve member being urged towards its closed position by the fuel pressure within a control chamber, the pressure raising valve including a low pressure port which communicates with the control chamber when the valve member is in its closed position, the valve member closing the low pressure port upon movement thereof away from its closed position beyond a predetermined distance.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: August 20, 2013
    Assignee: Goodrich Control Systems Limited
    Inventor: Denis Martin O'Shea
  • Fuel System
    Publication number: 20080169143
    Abstract: A system comprises a pressure raising valve having a valve member movable within a bore between a closed position and an open position in which fuel supplied to the pressure raising valve from a metering valve, in use, is delivered to an engine manifold, the valve member being urged towards its closed position by the fuel pressure within a control chamber, the pressure raising valve including a low pressure port which communicates with the control chamber when the valve member is in its closed position, the valve member closing the low pressure port upon movement thereof away from its closed position beyond a predetermined distance.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 17, 2008
    Applicant: Goodrich Control Systems Limited
    Inventor: Denis Martin O'Shea