Patents by Inventor Hilmar Gartner

Hilmar Gartner 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: 7967580
    Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: June 28, 2011
    Assignee: Dr. Ing h.c. F. Porsche AG
    Inventors: Norman Wöckel, Jürgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gärtner
  • Patent number: 7544052
    Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: June 9, 2009
    Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    Inventors: Norman Wöckel, Jürgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gärtner
  • Publication number: 20090123314
    Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.
    Type: Application
    Filed: January 21, 2009
    Publication date: May 14, 2009
    Applicants: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    Inventors: Norman Wockel, Jurgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gartner
  • Publication number: 20070009372
    Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.
    Type: Application
    Filed: June 23, 2006
    Publication date: January 11, 2007
    Inventors: Norman Wockel, Jurgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gartner