Controller of driving device for vehicle

Details Controller of driving device for vehicle Controller of driving device for vehicle

2011-06-28

2011-06-28

Lewis, Tisha D (Department: 3655)

Interrelated power delivery controls, including engine control

Electric engine

With transmission control

C477S006000, C477S008000, C477S039000, C903S918000

Reexamination Certificate

active

07967722

ABSTRACT:
A transmission mechanism including a switching clutch or brake that is switchable between a continuously-variable shifting state and a step-variable shifting state, and has both an advantage of improved fuel economy provided by a transmission, the speed ratio of which is electrically variable, and an advantage of high power transmitting efficiency provided by a gear type power transmitting device constructed for mechanical transmission of power. While a clutch-to-clutch shifting action of an automatic transmission portion is in a tie-up state, a differential portion is placed in a continuously-variable shifting state by switching control, and engine speed is changed under the control of hybrid control, so as to prevent a drop of the engine speed for thereby reducing a shock of the shifting action, unlike in a non-continuously-variable shifting state of the differential portion in which the engine speed is directly influenced by the tie-up state.

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