Patents by Inventor Francois Peroy

Francois Peroy 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).

  • Speed reducer, particularly for driving a propeller
    Patent number: 4138901
    Abstract: A belt-drive speed reducer, particularly for driving an airplane propeller from a standard automobile engine, features a protective housing attached to the motor, being supported by suitable borings 22 and 40 of the shaft of a drive pulley 10, on the one hand, turned by the motor crankshaft and, on the other hand, the propeller shaft supporting a driven pulley turned by a belt which, in section, exhibits V-shaped ribs. The bearing of the propeller shaft has on its periphery a disk eccentric with respect to the propeller shaft, the rotation of which disk in the boring of the housing regulates the tension of the belt.
    Type: Grant
    Filed: February 15, 1977
    Date of Patent: February 13, 1979
    Assignee: Regie Nationale des Usines Renault
    Inventors: Raymond Fortin, Francois Peroy