Patents by Inventor Mark Tsui

Mark Tsui 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 and apparatus for pumping fuel to a fuel injection system
    Patent number: 9458805
    Abstract: A method and apparatus pump fuel to a fuel injection system in an internal combustion engine. The method comprises steps of pumping a liquid fuel to a first pressure, using the liquid fuel at the first pressure as a hydraulic fluid for driving a gaseous fuel pump, and pumping a gaseous fuel to a second pressure with the gaseous fuel pump.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: October 4, 2016
    Inventors: Jordan C. Haas, Timothy N. Lennox, David K. Mumford, B. Keir Pritchard, Mark Tsui
  • Method And Apparatus For Pumping Fuel To A Fuel Injection System
    Publication number: 20140238351
    Abstract: A method and apparatus pump fuel to a fuel injection system in an internal combustion engine. The method comprises steps of pumping a liquid fuel to a first pressure, using the liquid fuel at the first pressure as a hydraulic fluid for driving a gaseous fuel pump, and pumping a gaseous fuel to a second pressure with the gaseous fuel pump.
    Type: Application
    Filed: May 7, 2014
    Publication date: August 28, 2014
    Applicant: Westport Power Inc.
    Inventors: Jordan C. Haas, Timothy N. Lennox, David K. Mumford, B. Keir Pritchard, Mark Tsui