HYDRAULIC POSITIVE-DISPLACEMENT DRIVE OF TRANSPORT FACILITY; SYSTEM FOR AUTOMATIC RENEWAL OF WORKING FLUID IN HYDRAULIC DRIVE; PUMPING UNIT; CONDITIONING AND REVERSING SYSTEM OF DRIVE; HYDRAULIC MOTOR UNIT OF DRIVE Russian patent published in 1998 - IPC

FIELD: self-propelled machines. SUBSTANCE: hydraulic positive-displacement drive includes pumping unit, hydraulic motor unit and automatic working fluid renewal and replenishment system joined in closed loop by means of hydraulic suction lines, pressure lines, return lines and connecting lines. Drive is additionally provided with working fluid conditioning and reversing system and monitoring system. Conditioning and reversing system is mounted at pumping unit outlet and is connected with hydraulic motor unit by means of power lines and with automatic working fluid renewal system by means of return line. Replenishment system is connected with automatic working fluid renewal system and with hydraulic motor unit by means of connecting lines; monitoring system is connected with pumping unit and with conditioning and reversing system by means of electric and hydraulic connecting lines. EFFECT: enhanced reliability. 6 cl, 5 dwg