Hybrid vehicle and control method thereof

Details Hybrid vehicle and control method thereof Hybrid vehicle and control method thereof

2006-01-26

2008-01-01

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

With clutch control

C477S008000, C477S015000, C903S945000

Reexamination Certificate

active

07314426

ABSTRACT:
A controller (20), when switching from a travel mode in which a vehicle travels with an engine clutch (EC) disengaged to a travel mode in which the vehicle travels with the engine clutch (EC) engaged, performs a preparatory speed change to reduce a rotation speed differential in the engine clutch (EC), engages the engine clutch (EC) when the rotation speed differential in the engine clutch (EC) is reduced, and then performs a completion speed change until a speed ratio required in the post-switching travel mode is obtained. The upper limit value of a shifting speed during at least one of the preparatory speed change and the completion speed change is set to a different value to the upper limit value of the shifting speed when a speed change is performed during traveling in the same travel mode.

REFERENCES:
patent: 6364807 (2002-04-01), Koneda et al.
patent: 7108087 (2006-09-01), Imai
patent: 2007/0066443 (2007-03-01), Matsudaira et al.
patent: 1 375 963 (2004-01-01), None
patent: 1 459 924 (2004-09-01), None
patent: 1 502 791 (2005-02-01), None
patent: 2003-32808 (2003-01-01), None

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