epicyclic gear train or planetary gearset with cogwheels for torque transfer

auto automotive background bearing black car close closeup cog cogwheel cogwheels engine engineering engineeringpart epicyclic gear gearbox gears gearset gearwheels industrial industrialequipment industrialpart industry industrytool machine machinepart machinery mechanic mechanical mechanicalequipment mechanism metal metallic metalteeth motion pinion pinions planetary power precision reduction rotate shaft spur steel technology teeth torque train transfer transmission transportation turning vehicle white