Patents by Inventor Gerhard Koller

Gerhard Koller 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).

  • Cylinder head arrangement of an internal-combustion engine
    Patent number: 5458099
    Abstract: A cylinder head is composed of a basic housing resting on a cylinder block, said housing having gas exchange channels and valves, a bearing housing supporting camshafts and cup tappets, and a cylinder head cover. This cover is made integral with the upper parts of the camshaft bearings. The arrangement has a single separating plane, at which both the basic housing with elevated outside walls and the bearing housing and the cylinder head cover abut. This arrangement has high rigidity and is easy to assemble.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: October 17, 1995
    Assignee: Dr. Ing. h.c.F. Porsche AG
    Inventors: Gerhard Koller, Hans-Joachim Esch, Winfried Distelrath, Roland Hauf
  • Camshaft for an internal combustion engine
    Patent number: 4821693
    Abstract: A camshaft for an internal combustion engine which is arranged in bearings that are formed by a cylinder head and a camshaft bearing housing. The camshaft is secured either at the cylinder head or at the camshaft bearing housing by means of holders, i.e., it represents together with one of the two housings of the internal combustion engine a preassembled structural unit. As a result thereof, the assembly of the camshaft becomes more simple.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: April 18, 1989
    Assignee: Ing. h.c.F. Porsche Aktiengesellschaft
    Inventor: Gerhard Koller