ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,464, issued on Sept. 22, was assigned to ZHEJIANG KC MECHANICAL & ELECTRICAL Co. LTD. (Zhejiang, China).
"Small displacement hydraulic actuator" was invented by Xiaowei Sun (Zhejiang, China), Haoyu Ying (Zhejiang, China) and Qunshuai Sun (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a small displacement hydraulic actuator. The hydraulic actuator includes a shell body, a main power shaft is installed on the shell body, and an oil distribution plate is fixedly installed in an inner cavity of the shell body; the main power shaft is connected to the oil distribution plate through a plunger pump; the ou...