Patents by Inventor Jeffrey D. Olmstead

Jeffrey D. Olmstead 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).

  • System and method for deburred port holes in a two-stroke engine
    Patent number: 12129810
    Abstract: A method for finishing at least one port within a cylinder of a two-stroke engine, comprising tracing a curvature of an existing port hole for the at least one port using a force sensing tool, wherein forming an engine block for a two-stroke engine, comprising: casting the engine block, wherein the cast engine block includes at least one intake port and at least one exhaust port; rough machining a cylinder of the engine block, wherein at least one of the at least one intake port and the at least one exhaust port is positioned along a wall of the cylinder and both of the at least one intake port and the at least one exhaust port are fluidly coupled to the cylinder; and finishing an edge of at least one of the at least one intake port and the at least one exhaust port to provide a smooth surface.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: October 29, 2024
    Assignees: Cummins Inc., ACHATES POWER INC.
    Inventors: Robert G. Sperry, Jordan E. Kelleher, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard, David J. Eckroth
  • SYSTEM AND METHOD FOR DEBURRED PORT HOLES IN A TWO-STROKE ENGINE
    Publication number: 20230399994
    Abstract: A method for finishing at least one port within a cylinder of a two-stroke engine, comprising tracing a curvature of an existing port hole for the at least one port using a force sensing tool, wherein forming an engine block for a two-stroke engine, comprising: casting the engine block, wherein the cast engine block includes at least one intake port and at least one exhaust port; rough machining a cylinder of the engine block, wherein at least one of the at least one intake port and the at least one exhaust port is positioned along a wall of the cylinder and both of the at least one intake port and the at least one exhaust port are fluidly coupled to the cylinder; and finishing an edge of at least one of the at least one intake port and the at least one exhaust port to provide a smooth surface.
    Type: Application
    Filed: October 8, 2021
    Publication date: December 14, 2023
    Inventors: Robert G. Sperry, Jordan E. Kelleher, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard, David J. Eckroth