US Patent Issued to Honda Motor on May 26 for "Outboard engine" (Japanese Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,615, issued on May 26, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Outboard engine" was invented by Norikazu Kawai (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are included: a motor contained in a top cover; a vertical shaft that is rotationally driven by the motor, the vertical shaft being contained in an extension casing; and a propeller that is rotationally driven by the vertical shaft, the propeller being provided at a gear casing. A heat exchanging member is provided that is positioned below an anticavitation plate and above a propeller shaft that rotationally drives the propeller, and inside the heat exchanging member, a...