Patents by Inventor Norbert Ries

Norbert Ries 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).

  • Rotor recess with scupper slots and free casting
    Patent number: 7730828
    Abstract: A piston for an internal combustion engine includes a piston head provided with an annular field, and a piston shaft arranged beneath the annular field. The piston shaft has shaft surfaces and a recess surface which is arranged around a bolt borehole and set back in relation to an outer diameter of the piston. At least one cavity is provided in the region of the lowest annular groove for oil flow in the direction of the recess surface during the movement of the piston and the at least one cavity is arranged outside an especially stressed region above the bolt borehole.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: June 8, 2010
    Assignee: KS Kolbenschmidt GmbH
    Inventors: Emmerich Ottliczky, Franz Ratzky, Norbert Ries
  • Rotor Recess With Scupper Slots and Free Casting
    Publication number: 20080202330
    Abstract: A piston for an internal combustion engine includes a piston head provided with an annular field, and a piston shaft arranged beneath the annular field. The piston shaft has shaft surfaces and a recess surface which is arranged around a bolt borehole and set back in relation to an outer diameter of the piston. At least one cavity is provided in the region of the lowest annular groove for oil flow in the direction of the recess surface during the movement of the piston and the at least one cavity is arranged outside an especially stressed region above the bolt borehole.
    Type: Application
    Filed: November 29, 2005
    Publication date: August 28, 2008
    Applicant: KS KOLBENSCHMIDT GMBH
    Inventors: Emmerich Ottliczky, Franz Ratzky, Norbert Ries
  • Cooling channel piston with especially low overall height
    Patent number: 6474220
    Abstract: The invention relates to a process for producing a cooling channel piston, in which the overall height is reduced in that the annular recess has a lower height than the height of the tool used for producing the cooling channel, and the production of the cooling channels starts parallel to the piston boss face, in which the axial height of the annular recess (8) is smaller than the axial height of the cooling channel (13).
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: November 5, 2002
    Assignee: KS Kolbenschmidt GmbH
    Inventor: Norbert Ries
  • Cooling channel piston with especially low overall height
    Publication number: 20010027607
    Abstract: The invention relates to a process for producing a cooling channel piston, in which the overall height is reduced in that the annular recess has a lower height than the height of the tool used for producing the cooling channel, and the production of the cooling channels starts parallel to the piston boss face, in which the axial height of the annular recess (8) is smaller than the axial height of the cooling channel (13).
    Type: Application
    Filed: March 16, 2001
    Publication date: October 11, 2001
    Inventor: Norbert Ries