| 摘要 |
<p>The gear has a relieving pressure limitation valve (43) controllable per unit time depending on a height change of a ground profile, where the height change is detected by a sensor arrangement. The limitation valve is designed as a proportional pressure limitation valve electronically activated by a control unit (48) i.e. electronic control unit (ECU). The sensor arrangement comprises an angle sensor (5) connected to the control unit, so that angular speed between a steering wheel and a mobile working machine is measurable via the angle sensor and the control unit. An independent claim is also included for a method for controlling relieving pressure of a hydraulically operated lifting gear of a mobile working machine.</p> |
