Patents by Inventor William Jeffrey Clemens

William Jeffrey Clemens 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).

  • Vapor recovery system
    Patent number: 5970957
    Abstract: A fuel vapor recovery system for a direct injection internal combustion engine operating in both stratified and homogenous modes includes using fuel vapor with air assisted injectors. A compressor compresses a controlled mixture of fresh air and fuel vapor which is then delivered to the air supply of air assisted injectors, allowing fuel vapors to be purged from the vapor recovery system during all engine operating modes.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: October 26, 1999
    Assignee: Ford Global Technologies, Inc.
    Inventors: Marcus William Fried, Peter Charles Moilanen, William Jeffrey Clemens