MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202617086027 A) filed by Yamaha Hatsudoki Kabushiki Kaisha on July 14, 2026, for Exhaust Gas Treatment System.
Inventor includes Hanazono, Yuichi.
The application for the patent was published on September 11, 2026, under issue no. 37/2026.
Abstract: An alcohol engine (10) in an exhaust gas treatment system (1) is configured to combust a fuel containing greater than 20 vol% of a high-concentration alcohol. The ratio (a/b) of the length (a) of an exhaust port (12) to the length (b) of an exhaust pipe (13) upstream of a catalyst (14) is 0.250 or less, which is the reciprocal of the ratio of the thermal conductivity of the exhaust port material to the ...