ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,666, issued on May 12, was assigned to KAWASAKI MOTORS LTD. (Hyogo, Japan).
"Power unit" was invented by Kyohei Izumi (Hyogo, Japan), Yuji Hida (Hyogo, Japan) and Jun Takagi (Hyogo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power unit includes an engine and a transmission mechanism, which is integrated with the engine, for transfer of power from the engine. The engine includes a crankshaft which converts a reciprocal motion of a piston to produce a rotary motion, a crankcase supporting the crankshaft, a cylinder extending from the crankcase so as to protrude in a reciprocating direction of the piston, and a cylinder head coupled to a pro...