Patents by Inventor Michel Ligier

Michel Ligier 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).

  • Apparatus and methods of detecting injection in a diesel engine
    Patent number: 4090404
    Abstract: The invention relates to an apparatus for detecting the injection into an internal combustion engine, and in particular a diesel engine, comprising an injection pump, by means of an injector and at least one length of connecting tubing between the pump and the injector, this apparatus comprising means for detecting the transverse deformation of the connecting tubing under the pressure of the injected fuel.The detection means are disposed between gripper means for firmly locking the connecting tubing at two non-contiguous zones, and are carried by these gripper means in such a way that the sensitive parts of the detection means are applied, in the operative position of the apparatus, at least to the central part of the tubing between these two zones.
    Type: Grant
    Filed: September 21, 1976
    Date of Patent: May 23, 1978
    Assignee: Souriau & Cie
    Inventors: Jean-Pierre Dupont, Jean-Francois Gregoire, Michel Ligier, Jacques Roy