Patent ID: 8082082
Filing Date: 2011-12-20
Classification: B60W,E02F,F02D,F04B,F15B,F16H,Y10T

Abstract:
1. An engine load control device for a working vehicle in which output of an engine is transmitted to drive wheels and to a plurality of hydraulic actuators including a working equipment hydraulic actuator via a plurality of variable capacity hydraulic pumps with an engine speed being controlled by a speed instruction device, the engine load control device comprising: an engine speed detection unit configured and arranged to detect the engine speed; an instruction contents detection unit configured and arranged to detect contents of instructions of the speed instruction device; a hydraulic pump load detection unit configured and arranged to detect load of at least one load detection hydraulic pump of among the variable capacity hydraulic pumps; and an absorption torque control unit configured to control absorption torque of at least one control hydraulic pump among the variable capacity hydraulic pumps other than the load detection hydraulic pump based on detection results of the engine speed detection unit, the instruction contents detection unit, and the hydraulic pump load detection unit, the absorption torque control section including