US Patent Issued to Honda Motor on Feb. 11 for "Sound reducing device for internal combustion engine" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,908, issued on Feb. 11, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Sound reducing device for internal combustion engine" was invented by Yuta Urushibara (Tokyo), Hiroshi Sakai (Tokyo), Tetsuya Hiraide (Tokyo) and Tomohiko Nozaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound reducing device (30) for an internal combustion engine (1, 101) comprises a chamber forming member (33) defining a sound reducing chamber (32) having a prescribed column length jointly with a belt cover, and the sound reducing chamber communicates with the belt chamber via an opening (31), and the opening opposes a part of a timing belt passed around the cam p...