Patent ID: 6122913
Filing Date: 2000-09-26
Classification: B60K,B60Y,E02F,F15B,F16H

Abstract:
A drive system for a mobile operating device and a hydraulic device, comprising:a hydraulic travelling drive having a first hydraulic motor;a first variable-delivery hydraulic pump operatively connected to the hydraulic travelling drive and having a rotatable drive shaft;a drive motor having an output shaft connected to the first variable-delivery hydraulic pump drive shaft;an operating hydraulic system operative to implement device-specific functions of the hydraulic device, the operating hydraulic system including a second variable-delivery hydraulic pump; anda second hydraulic motor rotatably connected to the second variable delivery hydraulic pump, the first variable-delivery hydraulic pump being in fluid engagement with the first hydraulic motor of the hydraulic travelling drive, and the first variable-delivery hydraulic pump being in a selectable fluid engagement with the second hydraulic motor for driving the second variable-delivery pump for the operating hydraulic system.