Patents by Inventor Lutz Grunow

Lutz Grunow 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: 7954467
    Abstract: In a camshaft adjuster control valve arrangement including a valve housing in the form of a central screw, the valve housing has a central passage of essentially constant diameter extending fully through the central screw.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: June 7, 2011
    Assignee: Daimler AG
    Inventor: Lutz Grunow
  • Patent number: 7866289
    Abstract: In a camshaft adjusting device including a vane cell adjuster component for coupling a camshaft to a crankshaft to be driven by the crankshaft in an adjustable angular relationship, wherein a vane rotor is mounted onto the camshaft by a central hollow clamping bolt including a control valve for controlling the flow of control fluid to and from the vane cells so as to control the relative angular position of the camshaft, an additional fixing means is provided between the vane rotor and the camshaft for assisting a rotationally fixed coupling of the vane rotor with the camshaft.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: January 11, 2011
    Assignee: Daimler AG
    Inventors: Lutz Grunow, Ulrich Stubbemann
  • Patent number: 7581316
    Abstract: In a camshaft adjuster for an internal combustion engine including a housing, with two side cover sections and a middle jacket section arranged between the side cover sections and a rotor disposed in the housing, the jacket section is formed by a cross-cut profile section drawn from a tube in the form of a semi-finished product.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: September 1, 2009
    Assignee: Daimler AG
    Inventor: Lutz Grunow
  • Publication number: 20080149057
    Abstract: In a camshaft adjusting device including a vane cell adjuster component for coupling a camshaft to a crankshaft to be driven by the crankshaft in an adjustable angular relationship, wherein a vane rotor is mounted onto the camshaft by a central hollow clamping bolt including a control valve for controlling the flow of control fluid to and from the vane cells so as to control the relative angular position of the camshaft, an additional fixing means is provided between the vane rotor and the camshaft for assisting a rotationally fixed coupling of the vane rotor with the camshaft.
    Type: Application
    Filed: January 22, 2008
    Publication date: June 26, 2008
    Inventors: Lutz Grunow, Ulrich Stubbemann
  • Publication number: 20080149056
    Abstract: In a camshaft adjuster control valve arrangement including a valve housing in the form of a central screw, the valve housing has a central passage of essentially constant diameter extending fully through the central screw.
    Type: Application
    Filed: January 22, 2008
    Publication date: June 26, 2008
    Inventor: Lutz Grunow
  • Publication number: 20070234986
    Abstract: In a camshaft adjuster for an internal combustion engine including a housing, with two side cover sections and a middle jacket section arranged between the side cover sections and a rotor disposed in the housing, the jacket section is formed by a cross-cut profile section drawn from a tube in the form of a semi-finished product.
    Type: Application
    Filed: February 26, 2007
    Publication date: October 11, 2007
    Inventor: Lutz Grunow
  • Publication number: 20070113811
    Abstract: In an oil chamber sealing unit of a swing-wing camshaft adjuster of an internal combustion engine, comprising a seal member with an outer sealing surface and with an inner cavity partly surrounded by a wall, and also a separate spring element which is arranged partially in the inner cavity so as to project beyond the wall opposite the sealing surface thereof, the spring element is held in the seal body by means of a holding element extending from the seal member which consists of a deformable metal sheet.
    Type: Application
    Filed: November 17, 2006
    Publication date: May 24, 2007
    Inventors: Lutz Grunow, Martin Kapp