ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,168, issued on Nov. 3, was assigned to CRRC QIQIHAR ROLLING STOCK Co. LTD. (Qiqihar, China).
"Emergency valve having emergency accelerated release function" was invented by Yi Xu (Qiqihar, China), Lidong He (Qiqihar, China) and Mingdong Wang (Qiqihar, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An emergency valve having an emergency accelerated release function, comprising: an emergency valve body, having an emergency cavity, an air inlet of the emergency cavity being in communication with a train pipe; and an inflation valve, comprising an inflation valve body, a first valve core and a second valve core, wherein the inflation valve body has...