| 摘要 |
This invention relates to a hydraulic system for example for use in an earth moving machine, an excavator, a jib crane, or a corresponding machine for contracting activities, comprising at least one hydraulic double acting hydraulic motor, each being controlable and reversible through a control device, and a pump unit powered by a prime mover, for example a diesel engine or an electric motor, for providing the required hydraulic effect. |
