Off road vehicle apparatus and method

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 53/02 (2006.01) B60K 7/00 (2006.01)

Patent

CA 2589941

A ground engaged vehicle (10) includes a front portion (12) and a rear portion (14) joined by an articulation (60). The articulation rotates around a longitudinal axis. An engine drives a hydrostatic pump (100) which drives four hydrostatic motors (130, 132, 134, 136), each of the hydrostatic motors in operative engagement with one of four wheels (50, 52). The wheels are on wheel mounts (40), each of the wheel mounts having a vertical axis around which one of the four wheels with one of the hydrostatic motors is turnable. A steering system turns the two wheels of the front portion in a first direction and the two wheels of the rear portion in an opposite direction. The steering system is powered by the hydrostatic pump. A pedal control system (300) has a first pedal controlling driving the vehicle in a forward direction and a second pedal controlling driving the vehicle in a rearward direction.

L'invention concerne un véhicule haute mobilité comprenant une portion avant et une portion arrière reliées entre elles par une articulation. L'articulation pivote autour d'un axe longitudinal. Un moteur commande une pompe hydrostatique, laquelle entraîne quatre moteurs hydrostatiques, chacun des moteurs hydrostatiques étant en liaison coopérante avec l'une des quatre roues. Les roues sont montées sur des blocs de montage des roues, chacun de ces blocs ayant un axe vertical autour duquel l'une des quatre roues peut tourner avec l'un des moteurs hydrostatiques. Un système de direction tourne les deux roues de la portion avant dans une première direction et les deux roues de la portion arrière dans une direction opposée. Le système de direction est alimenté par la pompe hydrostatique. Un système de commande de pédale comprend une première pédale commandant la conduite du véhicule vers l'avant, et une seconde pédale commandant la conduite du véhicule vers l'arrière.

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