Patents by Inventor Stefan Kirschner

Stefan Kirschner 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: 5335636
    Abstract: Endothermic engine for an industrial vehicle includes a continuous braking device capable of actuating a supplementary opening of the exhaust valvesso as to dissipate the compression energy produced inside the cylinders, in which the profile of the exhaust valves control cams consists of a first section with null lift, corresponding to one stage of the suction stroke of the relevant cylinders, a second section with a constant reduced lift, corresponding to the last stage of the suction stroke and to both compression and power stroke of the relevant cylinders, and a third lobe section corresponding to the exhaust stroke of the respective cylinder.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: August 9, 1994
    Assignees: Iveco Fiat S.p.A., Nissan Diesel Motor Co., Ltd.
    Inventors: Mario Bilei, Stefan Kirschner, Takeo Ogawa, Kazuaki Noritou