Patents by Inventor Holger Klumpp

Holger Klumpp 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: 10253920
    Abstract: A cylindrical component has a groove bottom (4) that extends approximately parallel to the course of the unworked surface of the component, and has a side wall (6, 7) inclined at an angle (?) of less than 90° to the groove bottom (4). To increase the adhesion between a coating to be applied to the surface of the component an upper region of the side wall (6, 7) is adjoined by an oblique surface (8, 9) at an angle (?) of greater than 90° to the side wall.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: April 9, 2019
    Assignee: Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    Inventors: Holger Klumpp, Sammy El Daibani, Mike Roehr
  • Publication number: 20180066349
    Abstract: A method is provided for coating a cylinder of an internal combustion engine. The cylinder (1) has a cylinder lining surface section (4) with a piston running surface (5) that faces an interior space (3) of the cylinder (1) and along which a piston of the internal combustion engine (2) can be moved. The cylinder (1) also has at least one further surface (13, 14) that adjoins the interior space (3). The further surface (13, 14) may be a bearing section surface (13) for mounting a crankshaft of the internal combustion engine (2), and a run-out section surface (14) between the bearing section (6) and the cylinder lining surface section (4). The method includes forming a defined structure on the further surface (13; 14) and then spraying a coating on the piston running surface (5).
    Type: Application
    Filed: September 5, 2017
    Publication date: March 8, 2018
    Inventor: Holger Klumpp
  • Patent number: 7958861
    Abstract: An oil pan for an internal combustion engine, in which an oil suction space is formed by the arrangement of a baffle wall provided with several through-openings and at least one flap, where at least one retaining device, on which the flap is supported and/or fastened, is provided on the baffle wall, wherein several fastening openings of different cross sections are provided in the flap to attach the flap to the retaining device.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: June 14, 2011
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Holger Klumpp, Bernhard Fackler, Roland Hauf
  • Publication number: 20100108019
    Abstract: An oil pan for an internal combustion engine, in which an oil suction space is formed by the arrangement of a baffle wall provided with several through-openings and at least one flap, where at least one retaining device, on which the flap is supported and/or fastened, is provided on the baffle wall, wherein several fastening openings of different cross sections are provided in the flap to attach the flap to the retaining device.
    Type: Application
    Filed: April 29, 2009
    Publication date: May 6, 2010
    Applicant: DR. ING H.C.F PORSCHE AG
    Inventors: Holger Klumpp, Bernhard Fackler, Roland Hauf