Patents by Inventor Philip J. Frances

Philip J. Frances 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).

  • Patent number: 6604591
    Abstract: A drive axle adapted for use in hybrid vehicles and having an electric motor and a gearbox packaged within a common housing assembly. The gearbox includes a differential assembly driven by a planetary-type reduction unit. The reduction unit includes a first planetary gearset having a first sun gear driven by the motor, a first ring gear, and a set of first planet gears meshed with the first sun gear and the first ring gear. A first planet carrier is non-rotatably fixed to a stationary number and rotatably supports the first planet gears. A second planet gearset includes a second sun gear fixed for rotation with the first ring gear, a second ring gear non-rotatably fixed to the stationary member, and a set of second planet gears rotatably supported from a second planet carrier and which mesh with the second sun gear and the second ring gear.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: August 12, 2003
    Assignee: New Venture Gear, Inc.
    Inventors: Thomas C. Bowen, Philip J. Frances