Method for triggering an upshift during kick-down conditions

Details Method for triggering an upshift during kick-down conditions Method for triggering an upshift during kick-down conditions

2006-05-30

2006-05-30

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

C477S131000, C477S136000, C701S053000

Reexamination Certificate

active

07052436

ABSTRACT:
A motor vehicle for controlling an automatic gearshift stepped variable speed transmission that can be driven by a drive engine, in which, depending on an accelerator pedal position and an engine speed, upshifts or downshifts between the gear steps are triggered automatically and in which a kick-down switch is present. In a first speed range below a first boundary speed (n1) actuation of the kick-down switch triggers a downshift. For one or more upper gear steps in a second engine speed range above a second boundary speed (n_KD_Schw), even at high loads, no downshifts is triggered and an upshift is only triggered by actuation of the kick-down switch.

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