Patents by Inventor Pierre Chavy

Pierre Chavy 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).

  • Motive power unit for driving a hydrostatic transmission coupled to an internal combustion engine
    Patent number: 5167292
    Abstract: Motive power unit comprising an internal combustion engine associated with a hydrostatic transmission, in particular for fitting to an automobile vehicle.In accordance with the invention, the motive power unit comprises an internal combustion engine (60) mechanically coupled to a hydrostatic transmission device comprising at least one pump (12) with a piston (13) driven by said engine and an elastic accumulator coupled to the or each pump; the pumps being connected to a volumetric motor (14).
    Type: Grant
    Filed: August 22, 1990
    Date of Patent: December 1, 1992
    Inventors: Auguste Moiroux, Francois Bernard, Pierre Chavy