ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,424, issued on Aug. 5, was assigned to STERIS INC. (Temecula, Calif.).
"Spray arm speed regulator" was invented by Maxime Robert (L'Ancienne-Lorette, Canada) and Alain Chouinard (Quebec, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Rotational speed of a spray arm is regulated based on centrifugal force and a liquid jet to create a variable angle corner spray nozzle. The regulator includes a weight on a pivot and a fluid jet, the weight having a curved surface to produce a variable angle corner spray nozzle depending on the weight angle. Centrifugal force created during rotation pushes the weight outward, which increases as the spray arm rota...