The invention provides a gearing assembly (1) comprising a rotary input member (5) and a rotary output member (2) and a gearing arrangement between the input member (5) and the output member (2) selectively engageable to effect a driving engagement between the input member (5) and the output member (2) through at least a first torque connection having a first gear ratio, a second torque connection having a second gear ratio and a third torque connection having a third gear ratio. The gearing arrangement includes a first engagement member (19) operable selectively to effect the first torque connection in a 1:1 ratio, a first planetary gear stage (14) and a second planetary gear stage (15), and a second engagement member (13) operable selectively to effect the second torque connection and a third engagement member (12) operable selectively to effect the third torque connection respectively through one or more of the planetary gear stages. The first engagement member (9) is located on a first side of the input member (5) and the first planetary gear stage (14), second engagement member (13), second planetary gear stage (15) and third engagement member (12) are located on a second side of the input member (5) opposite to said first side. An electrical wheel hub drive having such a gearing mechanism is also provided.
Gearing assembly, vehicle drivetrain and electric wheel hub therewith
2020-08-20
Patent
Electronic Resource
English
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