A number of variations may include an electric cycle powertrain comprising: a motor comprising a rotor and a stator; a crankshaft operatively connected to a first and second pedal assembly; a stepped pinion planetary gear set comprising a sun gear, at least one stepped pinion gear having a first and second pinion operatively attached to each other, wherein the first pinion is operatively connected to the sun gear and rotates within a grounded first ring gear and the second pinion rotates within a second ring gear; wherein the sun gear is further operatively connected to the rotor; wherein the second ring gear is operatively connected to the crankshaft and the first and second pedal assembly; wherein the first and second pinions are operatively connected to a carrier; wherein the second ring gear is operatively connected to the chain; and a torque measuring device operatively connected to the crankshaft.
Electric bike powertrain with compound planetary
31.10.2017
Patent
Elektronische Ressource
Englisch
ELECTRIC BIKE POWERTRAIN COMPOUND PLANETARY GEAR SET AND RING GEAR PEDAL TORQUE REACTION MEASUREMENT
Europäisches Patentamt | 2017
|ELECTRIC BIKE POWERTRAIN COMPOUND PLANETARY GEAR SET AND RING GEAR PEDAL TORQUE REACTION MEASUREMENT
Europäisches Patentamt | 2017
|Electric bike powertrain compound planetary gear set and ring gear pedal torque reaction measurement
Europäisches Patentamt | 2018
|