Powertrain system for a hybrid electric vehicle

Details Powertrain system for a hybrid electric vehicle Powertrain system for a hybrid electric vehicle

1997-12-01

1999-08-31

Bonck, Rodney H.

Machine element or mechanism

Gearing

Plural prime movers selectively coupled to common output

475149, 1922195, F16H 3706

Patent

active

059439181

ABSTRACT:
A hybrid electric powertrain system is provided including an electric motor/generator drivingly engaged with the drive shaft of a transmission. The electric is utilized for synchronizing the rotation of the drive shaft with the driven shaft during gear shift operations. In addition, a mild hybrid concept is provided which utilizes a smaller electric motor than typical hybrid powertrain systems. Because the electric motor is drivingly engaged with the drive shaft of the transmission, the electric motor/generator is driven at high speed even when the vehicle speed is low so that the electric motor/generator provides more efficient regeneration.

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