ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,973, issued on Oct. 21, was assigned to COPRECI, S.COOP. (Aretxabaleta, Spain).
"Hydraulic system for a household appliance" was invented by Rodrigo Orue Orue (Zigoitia, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system for a household appliance which includes a pump that is driven by an electric motor, an outlet conduit in fluid communication with an outlet of the pump, a magnetic check valve having a flap and a control unit. The control unit is configured to control the speed of the electric motor in a closed loop and to determine whether the flap of the check valve is in an open position or in a closed position based on the ...