US Patent Issued to FUJIKOKI on Sept. 2 for "Electric valve control device, electric valve device, and method for controlling electric valve" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,950, issued on Sept. 2, was assigned to FUJIKOKI Corp. (Tokyo).

"Electric valve control device, electric valve device, and method for controlling electric valve" was invented by Kento Yamada (Tokyo), Takayuki Watanabe (Tokyo) and Hiroshi Hagimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric valve control device inputs a pulse to a stepping motor to rotate a rotor in a first direction. The electric valve control device obtains a voltage generated in a stator by rotation of the rotor. The electric valve control device determines whether an electric valve is in a first-rotation restricted state where the rotation of the rotor in th...