Patent ID: 6295810
Filing Date: 2001-10-02
Classification: E02F,F15B

Abstract:
A hydrostatic drive system for at least one consuming device, the hydrostatic drive system comprising:an adjustable pump connected to the at least one consuming device, the pump having a delivery flow setting device,actuation means associated with each consuming device for specifying the direction of movement and the speed of movement of each consuming device, a control valve device associated with each consuming device to control the direction of movement and the speed of movement of each consuming device, wherein the consuming device is connected by the control valve device to a delivery line of the pump and to a return line connected to a reservoir, wherein the delivery flow of the pump can be adjusted to the hydraulic flow required by the actuated consuming devices,delivery flow sensors associated with each consuming device, wherein there are respective delivery flow sensors located in the delivery line and in the return line and wherein the delivery flow sensors measure the hydraulic flow associated with the consuming device, andan electronic control connected to the delivery flow sensors, to the actuation means, to the control valve device and to the delivery flow setting device of the pump, wherein the electronic control controls at least one of the control valve device and the delivery flow setting device of the pump as a function of the direction of movement and the speed of movement specified by the actuation means and of the hydraulic flow associated with the consuming device as measured by the delivery flow sensors.