Patents by Inventor Frank Thorenz

Frank Thorenz 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).

  • Continuously variable automatic transmission
    Patent number: 6547686
    Abstract: The continuously variable automatic transmission has a plurality of clutches and brakes wherein at least a part of the clutches is designed as wet multi-disk clutches having an inner and an outer disk carrier and wherein the inner disk carrier generally rotates and the outer disk carrier remains fixed. The clutch in which, in the operating state of stationary disengagement, the inner disk carrier remains fixed and the outer disk carrier rotates is provided with a splash-lubrication pot (5), which is situated within the inner disk carrier coaxially to the hollow shaft and which is firmly connected with a constantly rotating part (7) of the clutch, the outer wall of the splash-lubrication pot being provided with holes (6).
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: April 15, 2003
    Assignee: ZF Friedrichshafen AG
    Inventor: Frank Thorenz