ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,421, issued on April 8, was assigned to Cornell Pump Co. LLC (Clackamas, Ore.).
"Smart vacuum priming system" was invented by Jordan R. White (Canby, Ore.), Brandon Yoder (Parma, Idaho) and Andrew Enterline (Troutdale, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods described herein provide a smart vacuum priming system for centrifugal pumps. The vacuum priming system includes a vacuum pump, a suction assembly, an electromagnetic clutch assembly, and a pressure sensor. The suction assembly provides fluid communication between the vacuum pump and a float box of the centrifugal pump. The electromagnetic clutch assembly selectiv...