Rotational Movement Patents (Class 72/405.15)
  • Patent number: 11661903
    Abstract: A one-piece piston blank of near-net shape wherein the piston blank has a flange disposed opposite a skirt, the flange being spin-bendable to form a cooling channel with reduced preliminary removal of material relative to conventional forged piston blanks.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: May 30, 2023
    Assignee: KS KOLBENSCHMIDT US, INC.
    Inventors: David J. Boye, Bryan Quinn, Joseph Stojkov, Joshua Cota, Scott D. Bailey
  • Patent number: 11286877
    Abstract: Methods for forging a piston blank are disclosed such that the forged piston blank is in a near-net shape and size of a final piston. Bending a flange to form a cooling channel can be done with reduced or no preliminary machining away of core material relative prior to bending the flange.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 29, 2022
    Assignee: KS KOLBENSCHMIDT US, INC.
    Inventors: David J. Boye, Bryan Quinn, Joseph Stojkov, Joshua Cota, Scott D. Bailey
  • Publication number: 20090241631
    Abstract: A machine, tooling and method for cold forming complex metal parts such as a banjo style hose fitting starting with a near net shape volume of wire and continuing with multiple forging blows and an intermediate rotation of the blank to produce a hose coupling shell end, a transition neck, a large counterbored annular coupling body and a perpendicular alignment tang.
    Type: Application
    Filed: March 26, 2008
    Publication date: October 1, 2009
    Applicant: NATIONAL MACHINERY LLC
    Inventors: Jeffrey W. Carper, Thomas E. Hay