Cummins Inc.

Achates Power, Inc.

Jeffrey D Olmstead

Robert G Sperry

David Eckroth

Jordan E Kelleher

Jeffrey A Wheitner

Myron T Rickard

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.

Growing community of inventors

Columbus, IN, United States of America

Jeffrey D Olmstead