Patents by Inventor Arnold Benz

Arnold Benz 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: 7921555
    Abstract: A piston for an internal combustion engine has annular cooling passage arranged in the vicinity of the piston crown and radially on the outside, which, in those regions of the pin bosses which lie close to the boss holes, has boss cooling passages which are connected to the cooling passage and are intended for improved cooling of the pin bosses.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: April 12, 2011
    Assignee: Mahle International GmbH
    Inventors: Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach, Josip Zvonkovic
  • Patent number: 7900551
    Abstract: A piston for an internal combustion engine has an annular cooling channel provided with oil admission boreholes and oil discharge boreholes, the oil discharge boreholes being oriented in the direction of the bolt hubs for the cooling thereof.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: March 8, 2011
    Assignee: Mahle International GmbH
    Inventors: Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach, Josip Zvonkovic
  • Publication number: 20090025550
    Abstract: A piston for an internal combustion engine has annular cooling passage arranged in the vicinity of the piston crown and radially on the outside, which, in those regions of the pin bosses which lie close to the boss holes, has boss cooling passages which are connected to the cooling passage and are intended for improved cooling of the pin bosses.
    Type: Application
    Filed: December 15, 2006
    Publication date: January 29, 2009
    Inventors: Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach, Josip Zvonkovic
  • Publication number: 20090007776
    Abstract: A piston for an internal combustion engine has an annular cooling channel provided with oil admission boreholes and oil discharge boreholes, the oil discharge boreholes being oriented in the direction of the bolt hubs for the cooling thereof.
    Type: Application
    Filed: December 15, 2006
    Publication date: January 8, 2009
    Inventors: Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach, Josip Zvonkovic