Patents by Inventor Marco F. Muzzarelli

Marco F. Muzzarelli 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).

  • Transmission for a four-wheel drive motor vehicle
    Patent number: 4907672
    Abstract: The transmission comprises a first differential device which connecs the drive shaft with a front shaft to transmit drive to the front wheels and to a rear shaft to transmit drive to the rear wheels a second differential device which connects the front shaft to the half-shaft of the front wheels and a third differential device which connects the rear shaft to the half-shafts of the rear wheels; the differential devices are of the limited slip type, that is to say in which the drive train which connects the two worm gears of the differential devices includes at least one pair of gear wheels having low transmission efficiency, and preferably the differential devices are of the torsen type.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: March 13, 1990
    Assignee: I.De.A. S.p.A. Institute Of Development In Automotive Engineering
    Inventor: Marco F. Muzzarelli