Patents by Inventor Jeffrey H. Lewis

Jeffrey H. Lewis 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).

  • Reed valve VCT phaser with worm trails
    Patent number: 6705260
    Abstract: The phaser of the present invention includes a reed plate. The reed plate has reed valves, which control the flow of hydraulic fluid. The reed valves are all inclusive on the reed plate. Worn trails in the surface of the parts sandwiching the reed plate direct the flow to and from the reed valves.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: March 16, 2004
    Assignee: BorgWarner Inc.
    Inventors: Jeffrey H. Lewis, Robert G. Williamson
  • Reed valve VCT phaser with worm trails
    Publication number: 20030196627
    Abstract: The phaser of the present invention includes a reed plate. The reed plate has reed valves, which control the flow of hydraulic fluid. The reed valves are all inclusive on the reed plate. Worn trails in the surface of the parts sandwiching the reed plate direct the flow to and from the reed valves.
    Type: Application
    Filed: March 18, 2003
    Publication date: October 23, 2003
    Applicant: BorgWarner Inc.
    Inventors: Jeffrey H. Lewis, Robert G. Williamson
  • Hydraulic tensioner with grooved reservoir cover
    Patent number: 5885179
    Abstract: A hydraulic tensioner that uses a dimpled or grooved section in the cover plate to provide lubrication without the loss of oil pressure. The dimple directs a jet or spray of oil onto the chain as it runs by the tensioner. The cover plate also includes a depression, which extends down into the reservoir to add strength to the cover plate by stiffening.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: March 23, 1999
    Assignee: Borg-Warner Automotive, Inc.
    Inventors: Jeffrey H. Lewis, Samuel F. Isabel