ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,278, issued on June 3, was assigned to MIKUNI Corp. (Tokyo).
"Valve timing changing device" was invented by Kouji Sugano (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The valve timing changing device includes a vane rotor 10 that rotates integrally with a camshaft around an axis S of the camshaft and includes a lock pin 42; and a housing rotor Hr that is rotatable relative to the vane rotor around the axis within the range of a predetermined movable angle triangleTheta and whose relative rotation is locked by the lock pin. The housing rotor Hr includes a toothed member 30 having a tooth row 31 to which a driving force is applied, an...