Patents by Inventor Mae L. Lew

Mae L. Lew 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).

  • EGR cooler purging apparatus and method
    Patent number: 7281529
    Abstract: An apparatus for an internal combustion engine (200) includes a base engine (201) having an intake system (217) and an exhaust system (209). A turbine (203) has an inlet in fluid communication with the exhaust system (209), and an outlet. A first exhaust gas recirculation (EGR) cooler (211) fluidly communicates with the intake system (217) and the exhaust system (209) of the engine (200). An EGR valve (213) is in fluid communication with the EGR cooler (211), and a purge valve (205) is in fluid communication with the EGR cooler (211) and the outlet of the turbine (203).
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: October 16, 2007
    Assignee: International Engine Intellectual Property Company, LLC
    Inventors: Mae L. Lew, Wesley J. Terry