Electric axle with variable ratio, a high efficiency lock up ratio, a neutral
OwnerJeffrey M. David, Gordon M. McIndoe +3inventors
InventorsJeffrey M. David, Gordon M. McIndoe, Travis J. Miller, Sebastian J. Peters, Patrick R. Sexton
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Abstract
Provided herein is an electric axle powertrain includind: a continuously variable electric drivetrain having a motor/generator and a ball-type continuously variable planetary having a first traction ring assembly and a second traction ring assembly in contact with a plurality of balls; a mode selection mechanism coupled to the continuously variable electric drivetrain; a differential coupled to the mode selection mechanism; a drive wheel axle operably coupled to the differential; and-a first wheel and a second wheel coupled to the drive wheel axle.
Claims15
An electric axle powertrain comprising:
- a continuously variable electric drivetrain comprising a motor/generator and a ball-type continuously variable planetary having a first traction ring assembly and a second traction ring assembly in contact with a plurality of balls;
- a mode selection mechanism coupled to the continuously variable electric drivetrain;
- a differential coupled to the mode selection mechanism;
- a drive wheel axle operably coupled to the differential;
- and
- a first wheel and a second wheel coupled to the drive wheel axle.
An electric axle powertrain comprising:
- a continuously variable electric drivetrain comprising a motor/generator and a ball-type continuously variable planetary having a first traction ring assembly and a second traction ring assembly in contact with a plurality of balls;
- a differential coupled to the continuously variable electric drivetrain;
- a drive wheel axle operably coupled to the differential;
- a first wheel and a second wheel coupled to the drive wheel axle;
- and
- a planetary gear set coupled to the continuously variable planetary, the planetary gear set comprising a ring gear coupled to the second traction ring assembly, a planet carrier adapted to receive a rotational power, and a sun gear coupled to the first traction ring assembly.
Dependencies are inferred from the claim text.