Automatic transmission control system

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 63/00 (2006.01) B60K 28/16 (2006.01) F16H 61/02 (2006.01) F16H 59/18 (2006.01) F16H 59/44 (2006.01) F16H 59/50 (2006.01)

Patent

CA 2093690

In an automatic transmission control system provided for an internal combustion engine having an automatic transmission system equipped with a traction control system in which a throttle valve is adjusted towards a closed state from a throttle position corresponding to an operation of an accelerator pedal when wheel slippage occurs, a detection unit detects a degree of operation of the accelerator pedal. A shift point changing unit changes a shift point so that gear shifting occurs on the basis of the degree of operation of the accelerator pedal in a normal state and gear shifting occurs at an engine speed lower than a predetermined engine speed at which gear shifting normally occurs when the degree of operation of the accelerator pedal is equal to or greater than a predetermined value.

Cette invention concerne un système de commande de transmission automatique de véhicule à moteur à combustion interne qui comporte un système de régulation de la traction qui pousse le volet des gaz vers une position fermée lorsque la pédale d'accélération est enfoncée au point d'entraîner le patinage des roues, un détecteur servant à déterminer le degré d'enfoncement de la pédale d'accélération. Un dispositif de changement de point de changement de vitesses intervient pour avancer le point de changement normal correspondant au degré d'enfoncement détecté à une vitesse inférieure à une vitesse moteur prédéterminée à laquelle le changement de vitesses s'opère normalement lorsque le degré d'enfoncement de la pédale d'accélération est égale ou supérieure à une valeur prédéterminée.

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