US Patent Issued to SANKEI GIKEN KOGYO on Sept. 23 for "Exhaust valve and method for manufacturing same" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,880, issued on Sept. 23, was assigned to SANKEI GIKEN KOGYO Co. LTD. (Tokyo).

"Exhaust valve and method for manufacturing same" was invented by Tetsuaki Nomura (Isesaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust valve includes a pipe body connecting an upstream pipe and a downstream pipe for exhaust, a valve plate disposed inside the pipe body in a state of being attached to a rotary shaft that rotates by drive of an actuator, the valve plate configured to rotate to open/close an exhaust flow path inside the pipe body, and a stopper fixed inside the pipe body. The stopper is a member including, formed integrally, a base portio...