ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,152, issued on Jan. 27, was assigned to SHANGHAI INSTITUTE OF SPACE PROPULSION (Shanghai).
"Micro-flow throttling device" was invented by Liang Guan (Shanghai), Wei Shi (Shanghai), Ming Yang (Shanghai), Jiajie Huang (Shanghai), Fangfang Yang (Shanghai), Zimo Wang (Shanghai) and Yichi Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-flow throttling device, comprising: a casing used for assembling; a throttling structure mounted inside the casing to form resistance to control a fluid flow, wherein the throttling structure comprises a first axial hole formed inside a fine threaded rod, a first radial hole is formed on one side of ...