Torque converter clutch lockout hydraulic system

Details Torque converter clutch lockout hydraulic system Torque converter clutch lockout hydraulic system

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 45/02 (2006.01) F16H 61/14 (2006.01) F16H 59/36 (2006.01) F16H 59/68 (2006.01) F16H 59/74 (2006.01)

Patent

CA 2197937

A system for controlling operation of a bypass clutch for a torque converter in an automatic transmission includes a converter lockout valve for producing a pressure signal having a first magnitude indicating unlocked operation of the converter clutch and a second magnitude representing locked operation, the pressure magnitudes being produced in response to control pressures representing engine speed, transmission operation in any forward gear, and in a first forward gear.

Système de commande d'un embrayage de dérivation de convertisseur de couple intégré à une transmission automatique. Il comporte une vanne d'isolement de convertisseur servant à produire un signal de pression comportant une première valeur qui indique que l'embrayage du convertisseur est utilisé en position non verrouillée et une deuxième valeur signalant qu'il est utilisé en position verrouillée, ces valeurs de pression étant produites en réaction aux pressions de commande qui représentent la vitesse du moteur, l'utilisation de la transmission dans un rapport AV quelconque et en premier rapport AV.

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