Patent ID: 6076350
Filing Date: 2000-06-20
Classification: B60K,B62D,F15B,F16H

Abstract:
A hydrostatic drive system for a vehicle having a hydrostatic traction drive system, a hydraulic work system and a hydraulic steering system in an open circuit, comprising:a hydraulic pump with an adjustable delivery volume to supply the traction drive system, the hydraulic work system and the steering system;a delivery line, wherein the pump discharges into the delivery line;a traction drive control valve in the delivery line for pressurization of the traction drive system, wherein the traction drive control valve is connected to an outlet line leading to a reservoir and is connected to delivery lines leading to the traction drive system;and flow regulators located in both the delivery line and in the outlet line, each flow regulator pressurized by the pressure upstream of a throttle point of the traction drive control valve in a closing direction, and by the pressure downstream of the throttle point of the traction drive control valve and by a spring in an open direction.