F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 61/04 (2006.01) E21B 43/25 (2006.01) F16H 61/02 (2006.01)
Patent
CA 2415413
The invention relates to a system and method for the soft shift of a transmission connecting a power source and a driven device. When it is desired to change gear ratios in the transmission, the transmission is caused to enter a torque converter mode from a lockup mode. The engine speed is adjusted according to a signal representative of the speed of the transmission output shaft. Once the gear ratio has been changed, the transmission is caused to enter a lockup mode from the torque converter mode.
L'invention porte sur un système et procédé d'embrayage doux d'une transmission couplée à une source d'énergie et à un dispositif entraîné. Lorsque l'on veut changer les rapports de multiplication de la transmission, on contraint cette dernière à passer du mode verrouillage à un mode conversion de couple. Le régime du moteur est ajusté en fonction d'un signal représentatif de la vitesse de l'arbre de sortie de transmission. Une fois les rapports de multiplication changés, on fait en sorte que la transmission passe du mode de conversion de couple à un mode verrouillage.
Ayo Grant William
Beadle Barry Joe
Giacobbe Anthony Allen
Hanson David Eric
Payne Mark Alan
S&s Trust
Smart & Biggar
Stewart & Stevenson Llc
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