ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,192, issued on June 30.
"Deluge valve assembly" was invented by Xiao Wu (Shanghai), Jilan Zhang (Shanghai), Yong Jiang (Shanghai), Peng Yang (Shanghai), Xiao Yan (Shanghai), Quanjun Dong (Shanghai), Yinan Liu (Shanghai), Cheng Li (Shanghai), Hongquan Zhao (Shanghai), Jinchao Chen (Shanghai), Shuangquan Guan (Shanghai) and Qiangqiang Yang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The deluge valve assembly includes: a deluge valve, in which the deluge valve includes a water inlet cavity, a water outlet cavity, and a diaphragm cavity. The water inlet cavity is suitable for communication with the fire protection pipe network so as to make...