| 摘要 |
<p>In a drive train for a working machine, in particular, a wheel loader, the driving speed is preselected via a driving pedal ( 11 ) and the working hydraulic system is actuated via a selector lever ( 8 ), whose signals are fed to an electronic control unit ( 10 ) which regulates a drive engine ( 1 ) and a clutch ( 2 ) arranged between the drive engine ( 1 ) and a pump impeller ( 3 ) of a hydrodynamic torque converter in such a manner that an auxiliary drive ( 6 ) for a pump ( 7 ) of the working hydraulic system is operated at a sufficient speed, while the preselected driving speed is not exceeded.</p> |
