Patents by Inventor Yves Ney

Yves Ney 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).

  • Control device for a suspension such as hydropneumatic suspension for a motor vehicle
    Patent number: 5919240
    Abstract: A control device for a suspension such as a hydropneumatic suspension for a motor vehicle, including three actuators (E1, E2, E3) capable of supplying a liquid to or removing a liquid from three independent suspension lines. The actuators are driven by a computer (18) in accordance with a predetermined principle, which takes into consideration the position of the car body as well as first, second and third derivatives with respect to time of the parameters representative of the position.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: July 6, 1999
    Assignees: Automobiles Peugeot, Automobiles Citroen
    Inventors: Yves Ney, Alain Tranzer
  • Device forming a hydraulic jack and usable in a hydropneumatic suspension for automotive vehicles
    Patent number: 5707044
    Abstract: A hydraulic jack includes three chambers (3, 4, 5), two of these three chambers being annular and enclosing a sliding cylindrical element (8) including a first piston (9) delimiting the two annular chambers (3, 4), and a second piston (10) delimiting the third, substantially cylindrical chamber (5) which is contiguous with one of the two annular chambers (3, 4). The hydraulic jack is used in hydropneumatic suspensions for automotive vehicles.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: January 13, 1998
    Assignees: Automobiles Peugeot, Automobiles Citroen
    Inventors: Francois Le Gourvellec, Yves Ney