ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,855, issued on May 20, was assigned to Siemens AG (Munich).
"Air-fuel mixer and combustion system" was invented by Wen Quan Zhou (Shanghai), Jun Cai (Shanghai), Shuai Shuai Yi (Shanghai) and Xiao Jun Zhao (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of the teachings herein include a mixer disposed in a fuel gas combustion system and mixing air and fuel gas to form flammable mixed gases. The mixer may include: a Venturi tube having an air inlet, a fuel gas inlet, a gas mixture outlet, a central axis direction, and a throat positioned between the air inlet and the gas mixture outlet in the central axis direction, wherei...