Patents by Inventor Samuel F. Isabel

Samuel F. Isabel 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).

  • 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