Hybrid transmission and mode-shift control for hybrid vehicle

Details Hybrid transmission and mode-shift control for hybrid vehicle Hybrid transmission and mode-shift control for hybrid vehicle

2007-12-11

2007-12-11

Vanaman, Frank (Department: 3618)

Motor vehicles

Power

Electric

C903S930000, C903S946000

Reexamination Certificate

active

10895370

ABSTRACT:
A hybrid transmission for a hybrid vehicle mounting thereon an engine and a pair of electric motor/generators operates in a plurality of driving modes including EV mode in which the vehicle is powered by only the pair of motor/generators and EIVT mode in which the vehicle is powered by both the pair of motor/generators and the engine. The driving mode is shifted continuously and smoothly through a mode-shift transition process, in which the operating state is regulated to decrease the relative torque and/or the relative rotational speed between the contact elements of an engine clutch before engaging or disengaging the engine clutch.

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