Cummins Inc.

Scania Cv Ab

Achates Power, Inc.

Jordan E Kelleher

Lyle E Kocher

Dwight A Doig

Brett A Boas

Robert G Sperry

David Eckroth

Jeffrey A Wheitner

Myron T Rickard

Jeffrey D Olmstead

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.

System and method for deburred port holes in a two-stroke engine

The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.

Piston with insulating air gap formed by additive manufacturing

Growing community of inventors

Columbus, IN, United States of America

Jordan E Kelleher