IMPROVED SYSTEM FOR THE IMPLEMENTATION OF HYDRAULIC DEVICES OF AN ASSISTANCE CIRCUIT

摘要

The invention relates to a system comprising: a driving hydraulic device (1) having retractable radial pistons; a driven hydraulic device (2) having retractable radial pistons, the discharge (12) of the driving hydraulic device (1) being connected to the admission (21) of the driven hydraulic appliance by a supply line (4), and the discharge (22) of the driven hydraulic device (2) being connected to the admission (11) of the driving hydraulic device (1) by a return line (5); and a primary motor (M). The invention is characterised in that said system also comprises a charging source (3) suitable for being selectively engaged, said charging source being connected to the admission line (4) and to the discharge line (5) via a charging line, and selectively either to a tank (R), or only to the admission (11) of the driving hydraulic device (1), via an engagement line provided with a control (7).