Patents by Inventor Jean Viala

Jean Viala 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: 5686687
    Abstract: A mechanical ejector device includes a sliding piston, a transverse lever articulated to a first fixed axis and to a first mobile axis coupled axially to the piston and including a second mobile axis, a first link articulated to a second fixed axis and including third and fourth mobile axes, a transverse actuator rod articulated to the third mobile axis to displace the latter in a single displacement direction and a second link articulated to the second mobile axis and to the fourth mobile axis. The fixed and mobile axes are parallel. The first link and the second link form a deformable assembly having an intermediate configuration in which the piston is in its service position.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: November 11, 1997
    Assignee: Societe Nationale Industrielle et Aerospatiale
    Inventors: Jean Viala, Jean-Claude Bohas, Yves Florentin, Serge Chicot
  • Patent number: 4896502
    Abstract: A ramjet engine of the type including a combustion chamber into which n air ducts open, each air duct being equipped with a fuel injector device. A total fuel flow quantity D is introduced into the combustion chamber so that a relationship D/n would generally be provided for individual fuel flow by a respective injector device. A distributor is provided which regulates the individual fuel flow of at least one of the injector devices to be at a value different from the D/n relationship.
    Type: Grant
    Filed: September 17, 1986
    Date of Patent: January 30, 1990
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Maurice Ravel, Jean Viala