Patents by Inventor Steven W. Kueltzo

Steven W. Kueltzo 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).

  • Combustion seal including cylinder liner and shim
    Patent number: 11867290
    Abstract: An engine includes an engine block and a cylinder head mounted to the engine block. The engine block includes a bore elongated along an axis and a liner disposed in the bore and extending annularly about the axis. The liner includes a seal surface and a fire dam disposed radially inward from the seal surface. The fire dam extends along the axis from the seal surface towards the cylinder head. The engine further includes a head gasket disposed between the engine block and the cylinder head. The head gasket extends endlessly around the fire dam. The engine further includes a shim seated between the seal surface and the head gasket and abutting the seal surface and the head gasket. The shim is disposed radially outward from the fire dam and extending annularly about the axis.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 9, 2024
    Assignee: Federal-Mogul Motorparts LLC
    Inventors: Michael Sadowski, Steven W. Kueltzo
  • COMBUSTION SEAL INCLUDING CYLINDER LINER AND SHIM
    Publication number: 20210301923
    Abstract: An engine includes an engine block and a cylinder head mounted to the engine block. The engine block includes a bore elongated along an axis and a liner disposed in the bore and extending annularly about the axis. The liner includes a seal surface and a fire dam disposed radially inward from the seal surface. The fire dam extends along the axis from the seal surface towards the cylinder head. The engine further includes a head gasket disposed between the engine block and the cylinder head. The head gasket extends endlessly around the fire dam. The engine further includes a shim seated between the seal surface and the head gasket and abutting the seal surface and the head gasket. The shim is disposed radially outward from the fire dam and extending annularly about the axis.
    Type: Application
    Filed: March 26, 2021
    Publication date: September 30, 2021
    Applicant: DRiV Automotive Inc.
    Inventors: Michael Sadowski, Steven W. Kueltzo
  • Cylinder liner having modified combustion seal and method
    Patent number: 6931705
    Abstract: A method of modifying a combustion seal of a diesel engine fitted with a cylinder liner having an annular top sealing ridge which is damaged or mispositioned so as to interrupt the combustion seal is provided. The method includes exposing the sealing ridge and, without removing the liner from the engine, clamping and plastically deforming a combustion seal shim against the sealing ridge to perfect the combustion seal.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: August 23, 2005
    Assignee: Federal-Mogul World Wide, Inc.
    Inventors: Steven W. Kueltzo, Michael S. Sadowski, Charles W. Gills, James R. Zwick
  • Cylinder liner having modified combustion seal and method
    Publication number: 20030221654
    Abstract: A method of modifying a combustion seal of a diesel engine fitted with a cylinder liner having an annular top sealing ridge which is damaged or mispositioned so as to interrupt the combustion seal is provided. The method includes exposing the sealing ridge and, without removing the liner from the engine, clamping and plastically deforming a combustion seal shim against the sealing ridge to perfect the combustion seal.
    Type: Application
    Filed: February 25, 2003
    Publication date: December 4, 2003
    Inventors: Steven W. Kueltzo, Michael S. Sadowski, Charles W. Gills, James R. Zwick