Patents by Inventor Roger Oswald

Roger Oswald 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).

  • Engine whose fuel is a product other than a petroleum product
    Patent number: 4216744
    Abstract: The invention relates to an injection internal combustion engine.The engine has a device for injecting fuel, preferably at high pressure, into the cylinder of cylinders, a device adjusting the injection advance in dependence on the load, and a controlled ignition device, the said engine being arranged to use a fuel other than a petroleum product, preferably an alcohol based product, and being characterized in that its dimensional characteristics are determined to supply a volumetric compression ratio between 12 and 20, preferably between 15 and 18 and in particular close to 16, and in that the device adjusting the injection advance is such that it supplies, at least for starting, a high value of advance, particularly of the order of 180.degree..
    Type: Grant
    Filed: August 24, 1978
    Date of Patent: August 12, 1980
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Roger Oswald, Georges Agache
  • Motor adapted for fuel comprising a product different from mineral oil product
    Patent number: 4123997
    Abstract: The engine has a device for injecting fuel, preferably at high pressure, into the cylinder of cylinders, a device adjusting the injection advance in dependence on the load, and a controlled ignition device, the said engine being arranged to use a fuel other than a petroleum product, preferably an alcohol based product, and being characterized in that its dimensional characteristics are determined to supply a volumetric compression ratio between 12 and 20, preferably between 15 and 18 and in particular close to 16, and in that the device adjusting the injection advance is such that it supplies, at least for starting, a high value of advance, particularly of the order of 180.degree..
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: November 7, 1978
    Assignee: Etablissement Public die: Agence Nationale de Valorisation de la Recherche
    Inventors: Roger Oswald, Georges Agache