Hybrid drive system

B - Operations – Transporting – 60 – L

Patent

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Details

B60L 11/14 (2006.01) B60K 17/08 (2006.01) B60L 11/02 (2006.01) B60K 6/04 (2006.01)

Patent

CA 2312752

A hybrid drive system comprising: a torque amplify mechanism coupled to an output member of an internal combustion engine and an output member of an electric motor, as energized by an electric power to output a torque, for amplifying and outputting the torque, as outputted from the internal combustion engine, by controlling the torque of the electric motor; and a continuously variable transmission arranged between torque amplify mechanism and the output shaft for increasing/decreasing and outputting the torque inputted from the torque amplify mechanism. Further comprised is a forward/backward switching mechanism between the torque amplify mechanism and the output shaft for setting a forward state, in which the inputted motive power is unreversed and outputted, and a backward state in which the inputted motive power is reversed and outputted. As a result, the reverse run can be made only with the motive power outputted from the internal combustion engine.

L'invention concerne une unité motrice hybride comportant un mécanisme accouplé à l'organe de sortie d'un moteur à combustion interne et à l'organe de sortie d'un moteur fonctionnant à l'énergie électrique pour produire un couple et pour transmettre ce couple en sortie du moteur à combustion interne, lors de l'amplification par régulation du couple du moteur. Cette unité comporte également un variateur de vitesse, placé entre le mécanisme d'amplification du couple et un arbre de sortie permettant de transmettre en sortie un couple provenant du côté du mécanisme d'amplification du couple, lors de l'accélération ou de la décélération. Un mécanisme servant à passer d'un mode marche avant permettant de transmettre en sortie un couple d'entrée sans inversion de marche, à une mode marche arrière permettant de transmettre en sortie un couple d'entrée lors de l'inversion de marche, est interposé entre le mécanisme d'amplification du couple et un arbre de sorite. La fonction marche arrière ne peut s'obtenir qu'avec la puissance de sortie du moteur à combustion interne.

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