Hybrid vehicle powertrain with a multiple-ratio power...

Details Hybrid vehicle powertrain with a multiple-ratio power... Hybrid vehicle powertrain with a multiple-ratio power...

2007-08-28

2007-08-28

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

With clutch control

C477S008000, C477S009000

Reexamination Certificate

active

10711331

ABSTRACT:
A control method and system for a hybrid vehicle powertrain with an electric motor in a power flow path between an internal combustion engine and a multiple-ratio geared transmission. Motor torque, which is added to engine torque to obtain an effective transmission input torque, is modulated to achieve smooth power-on upshifts and coasting downshifts.

REFERENCES:
patent: 5944630 (1999-08-01), Omote
patent: 6176808 (2001-01-01), Brown et al.
patent: 6193628 (2001-02-01), Hrovat et al.
patent: 6482125 (2002-11-01), Urasawa
patent: 6585066 (2003-07-01), Koneda et al.
patent: 6629026 (2003-09-01), Baraszu et al.
patent: 2003/0019313 (2003-01-01), Ibamoto et al.

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