Patent Number: 7,712,574

Title: Vehicle steering systems

Abstract: A vehicle system has a steering circuit which includes a steering actuator supplied with pressurize fluid from a pressure source to turn an associated vehicle wheel to the left or right in response to the movement of the steering wheel. A feedback circuit is provided which includes a steering motor connected with the steering wheel and supplied with pressurized fluid via an electronically controlled feedback control valve means in response to signals received from a control unit to generate a steering feedback force acting on the steering wheel.

Inventors: Hublart; Bernard (Beauvais, FR), Deman; Cedric (Savignies, FR), Shute; Malcolm (St. Germain la Poterie, FR), Chauvel; Vince (St. Gilles, FR)

Assignee: AGCO SA

International Classification: B62D 5/06 (20060101)

Expiration Date: 5/11/12018