ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,942, issued on Dec. 23, was assigned to Ace Machine Design Inc. (Commerce, Calif.).
"Single sliding vane rotary displacement pump" was invented by Agustus Shelander (Joshua Tree, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sliding vane rotary pump apparatus embodiment of the invention has a stator having a bore with a wall, a rotor having a central axis about which the rotor rotates within the bore, and a vane comprising a single piece that includes two opposed tip regions that each have a contact point where the vane contacts the wall of the bore of the stator. The vane has a centroid that follows an eccentric circular path as the vane ...