Patents by Inventor Harald R. Mueller

Harald R. Mueller 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).

  • Piston for an internal combustion engine and cover plate for a piston
    Patent number: 10400657
    Abstract: A piston for an internal combustion engine may include a piston head and a piston skirt. The piston skirt may include piston bosses disposed opposite one another having a boss bore and at least two shank walls disposed opposite one another having a running surface. A cover plate including a recess for receiving a connecting rod may be secured in a lower region of the piston skirt. The cover plate may have at least two longitudinal sides disposed opposite one another and at least two free ends disposed opposite one another. At least two grooves may be arranged in the lower region of the piston skirt on the at least two shank walls. The at least two free ends of the cover plate may be accommodated resiliently prestressed in the at least two grooves.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 3, 2019
    Assignee: Mahle International GmbH
    Inventors: Ulrich Bischofberger, Harald R. Mueller
  • Method for manufacturing a sliding tappet
    Patent number: 9957847
    Abstract: A method for manufacturing a sliding tappet of a valve train of an internal combustion engine may include the steps of: providing a main body; applying a coating at least on a contact surface of the main body configured for contacting an associated cam. The coating may include tungsten carbide and cobalt, and the coating may be applied via high velocity oxygen fuel spraying. The method may further include the step of performing a surface finishing on the coating after the coating is applied.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: May 1, 2018
    Assignee: Mahle International GmbH
    Inventors: Christoph Beerens, Gerhard Bucher, Justus Himstedt, Kurt Maier, Harald R. Mueller, Reinhard Rose, Christoph Steinmetz
  • PISTON FOR AN INTERAL COMBUSTION ENGINE AND COVER PLATE FOR A PISTON
    Publication number: 20160298523
    Abstract: A piston for an internal combustion engine may include a piston head and a piston skirt. The piston skirt may include piston bosses disposed opposite one another having a boss bore and at least two shank walls disposed opposite one another having a running surface. A cover plate including a recess for receiving a connecting rod may be secured in a lower region of the piston skirt. The cover plate may have at least two longitudinal sides disposed opposite one another and at least two free ends disposed opposite one another. At least two grooves may be arranged in the lower region of the piston skirt on the at least two shank walls. The at least two free ends of the cover plate may be accommodated resiliently prestressed in the at least two grooves.
    Type: Application
    Filed: October 28, 2014
    Publication date: October 13, 2016
    Inventors: Ulrich Bischofberger, Harald R. Mueller
  • METHOD FOR MANUFACTURING A SLIDING TAPPET
    Publication number: 20160040562
    Abstract: A method for manufacturing a sliding tappet of a valve train of an internal combustion engine may include the steps of: providing a main body; applying a coating at least on a contact surface of the main body configured for contacting an associated cam. The coating may include tungsten carbide and cobalt, and the coating may be applied via high velocity oxygen fuel spraying. The method may further include the step of performing a surface finishing on the coating after the coating is applied.
    Type: Application
    Filed: August 7, 2015
    Publication date: February 11, 2016
    Inventors: Christoph Beerens, Gerhard Bucher, Justus Himstedt, Kurt Maier, Harald R. Mueller, Reinhard Rose, Christoph Steinmetz