Sprocket for continuous variable valve timing to optimize the process of filling the cylinders of an internal combustion engine with: -case, -rotor, -at least 4 screws, -spring, -of an external diameter of 80 mm or more but not exceeding 95 mm, -of a thickness of 25 mm or more but not more than 35 mm, for use in the manufacture of engines of motor vehicles

Forged steel sprockets with external toothing, whether or not with internal splines in a diametral pitch standard, with: -a diameter of 400 mm or more, but not more than 630 mm, -7 teeth or more, but not more than 15 teeth, -a tooth core hardness of 28 HRC or more, but not more than 45 HRC, -a tooth surface hardness of 50 HRC or more, but not more than 60 HRC, -whether or not, a spline hardness of 30 HRC or more, but not more than 45 HRC, -an effective carburized case depth of 4 mm or more, but not more than 5 mm

Steel alloy gear wheels with straight teeth and involute profile, with: -external and/or internal toothing in a diametral pitch standard, -a diameter of 35 mm or more, but not more than 600 mm, -13 teeth or more, but not more than 80 teeth, -a tooth core hardness of 28 HRC or more, but not more than 45 HRC, -a tooth surface hardness of 50 HRC or more, but not more than 65 HRC, -an effective carburized case depth of 1,00 mm or more, but not more than 3,1 mm, -a spline hardness of 27 HRC or more, but not more than 62 HRC, -whether or not in combination with a shaft with a spline hardness of 27 HRC or more, but not more than 62 HRC

Other