Patent Number: 7,784,436

Title: Two-cycle, opposed-piston internal combustion engine

Abstract: In a two-stroke, opposed-piston internal combustion engine with optimized cooling and no engine block, opposed pistons protrude from the bore during at least a portion of an operating cycle of the engine and are cooled by application of a liquid coolant to their interiors.

Inventors: Lemke; James U. (La Jolla, CA), McHargue; William B. (Cardiff by the Sea, CA)

Assignee: Achates Power, Inc.

International Classification: F01P 1/04 (20060101)

Expiration Date: 8/31/12018