Patents by Inventor Philippe Rouanes

Philippe Rouanes 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).

  • Ignition system for internal combustion engines
    Patent number: 4567874
    Abstract: Ignition system for an internal combustion engine in a motor vehicle having at least one transformer for generating ignition voltage, the transformer having a primary side with a primary winding and a secondary side with a secondary winding, and a spark plug connected to the secondary winding including an electronic circuit connected to the primary winding, chopper means fed by a d-c or rectified a-c source for activating the transformer, and switch means disposed on the second side of the transformer.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: February 4, 1986
    Assignee: Siemens Aktiengesellschaft
    Inventor: Philippe Rouanes