FOUR-WHEEL STEERING SYSTEM FOR VEHICLE

专利名称：FOUR-WHEEL STEERING SYSTEM FOR

VEHICLE

发明人：LEE, Un, Koo申请号：EP95902315.1申请日：19941122公开号：EP0682618B1公开日：19990602

摘要：A four-wheel steering system for a vehicle including a front wheel steering parthaving a front direction control valve (18) having ports (28, 30) which close and open inaccordance with a rotating direction of a steering wheel (16), and a front actuator (10) forpushing or pulling a tie rod (12, 14) connected to a front wheel (2, 4), an electroniccontrol unit (ECU) for controlling a steering of the rear wheels (38, 40) in response tosignals transmitted from a vehicle speed sensor (60), a steering angle sensor (58) and asteering amount feedback sensor (68, 70, 72, 74) and a rear wheel steering part havingfirst and second solenoid valves (, 56) independently controlled by said electroniccontrol (ECU), first and second rear direction control valves (42, 44) independentlycontrolled by said electronic control unit (ECU) and first and second rear wheel actuators(46, 48) for pulling or pushing said rear wheels (38, 40) selectively or simultaneously.

申请人：HYUNDAI MOTOR CO LTD

地址：KR

国籍：KR

代理机构：Cardwell, Stuart Martin

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