Patent ID: 7559401

Claim:
A hydrostatic drive system for a mobile machine, comprising: a travel drive; and working hydraulics, the working hydraulics including a variable delivery pump operatively connected to a driving engine, wherein the delivery pump is connected to a container on an inlet side and delivers to a delivery line, to which at least one consumer of the working hydraulics is connected, wherein the consumer is controllable by a control valve device having a closed neutral position, wherein the pump is adjustable in a direction of a higher delivery to generate a braking action in a braking or overrun condition of the travel drive and wherein pressure medium delivered by the pump is feedable to a pressure valve, wherein the pressure valve is arranged in the delivery line led from the delivery pump to the control valve device, and wherein a container branch line, which is connected to a container and in which a circulating device is arranged, is connected to the delivery line downstream of the pressure valve.