TRAILER DRIVE ASSISTANCE SYSTEM FROM AN OPEN HYDRAULIC TANK CIRCUIT

摘要

The present invention relates to a hydraulic system comprising a hydraulic pump (130) installed on a tractor vehicle (10), a hydraulic hose (160) connected to the output of the pump (130) and a connector (170) placed at the outlet of the hose (160) and adapted to be connected to a complementary socket (180) provided on a trailer (20) to allow feeding of a jack (110) placed on the trailer, for example for tipping purposes, characterized by the fact that it comprises a circuit selector (210) adapted to connect said plug (180) selectively either to a jack (110) or a conduit (220) for powering a drive assist circuit and a return conduit (250) of assistance circuit adapted to be connected to a reservoir (120) placed on the towing vehicle.