Drivetrain for an electric vehicle

Details Drivetrain for an electric vehicle Drivetrain for an electric vehicle

1996-04-17

1998-12-08

Johnson, Brian L.

Motor vehicles

Power

Electric

B60K 1712

Patent

active

058457321

ABSTRACT:
A drivetrain for an electric vehicle includes a motor, a pair of drive shafts, and a compact and simple transmission mechanism composed of two planetary gear units to achieve a differential function as well as a large reduction speed ratio. The transmission mechanism has an input element coupled to the motor, one output element coupled to one of the drive shafts, coupling elements coupling the units together, a fixed element, and another output element coupled to the other of the drive shafts. The torque received at the input element is increased and transmitted to one output element, and the torque is also reversed between the one output element and one of the coupling elements. After transmission through the coupling elements the torque is again reversed and then transmitted to the other output element.

REFERENCES:
patent: 4280583 (1981-07-01), Stieg
patent: 5078660 (1992-01-01), Williams et al.
patent: 5380255 (1995-01-01), Brissenden et al.
patent: 5490063 (1996-02-01), Genise
patent: 5651749 (1997-07-01), Wilson et al.
patent: 5655986 (1997-08-01), Wilson et al.
The Development of the Elostar Powertrain, Sims et al., Symposium Proceedings, Second vol., Sess. 10-20, 27-30 Sep. 1992.

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