Patents by Inventor Daniel Guichard

Daniel Guichard 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 for an endless chain or linkage for use in an internal combustion engine
    Patent number: 6602154
    Abstract: A hydraulic chain tensioner for an internal combustion engine includes a support body forming a cylindrical housing which receives a piston slidable in the housing and which carries a pressure pad acted upon by the piston and arranged to come into contact with the chain. A high-pressure chamber is defined by the housing and the piston. A source of pressurized hydraulic liquid supplies the tensioner with lubricating liquid and completes the filling of the high-pressure chamber.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: August 5, 2003
    Assignee: Sachs Automotive France, S.A.
    Inventors: Daniel Guichard, Nicolas Charles
  • Transmission chain
    Patent number: 6110064
    Abstract: A transmission chainformed of alternating outer chain links (2) and inner chain links (3), connected by pins (4);the outer chain links (2) and the inner chain links (3) being formed of outer plates (21) and inner plates (31);each outer plate (21) and inner plate (31) having two widened ends (23,33) each provided with a hole (25, 35) to accommodate the pin (4) and connected by a connection part (24,34) characterized in thatthe connecting parts (24,34) of the plates (21,31) comprise apertures (26,36) and the pins (4) are hollow.
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: August 29, 2000
    Assignee: Sachs Industries S.A. (Huret et Maillard Reunis)
    Inventor: Daniel Guichard