F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 57/08 (2006.01) F16H 33/12 (2006.01)
Patent
CA 2131521
An axis torque input crankshaft drives two orbital crankshafts via a connecting member. A planet gear driven by each orbital crankshaft intermeshes with a ring gear connected to a torque output shaft. The orbital crankshafts and planet gears are mounted on a rotatable planet gear carrier. During direct drive, when torque input equals load, the planet gears orbit the ring gears rotational axis. The speed of orbit and ring gear rotation are equal to the rotational speed of the input crankshaft. If load exceeds torque input, the ring gears rotational speed slows, as does the orbital speed of the planet gears. The slower the orbital speed of the planet gears relative to the rotational speed of the input crankshaft, the greater the amount of connecting rod travel that is diverted into driving the planet gears rotationally on their own axes. Torque multiplication results form the transmission of torque from smaller gears to a larger gear. Variable torque multiplication results from varying combinations of planet gear orbit and rotation.
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