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公开(公告)号：EP0538836A1
公开(公告)日：1993-04-28
申请号：EP92118021.2
申请日：1992-10-21
发明人： Yamamoto, Youichi , Harara, Mitsuhiko , Yoshida, Hiroaki , Momose, Nobuo , Tanaka, Tadao , Takeo, Tsuyoshi
IPC分类号： B62D6/02
CPC分类号： B62D6/02
摘要： A power steering apparatus for a vehicle includes a steering mechanism (1) having a torsion bar (9), a rotary valve (16) connected to an oil pump (33) and disposed between an input shaft (11) and an output shaft (5a), a valve driving mechanism having a pressed portion (42) projected on one of the input and output shafts and a pressing piece (44a, 44b) on the other for pressing the pressed portion. A target assist force is set for an assist force obtained by rotating the rotary valve (16) in the torsion direction of the torsion bar (9) and an assist force obtained by rotating the rotary valve in the reverse direction to the torsion direction. A pressing piece driving mechanism drives the pressing piece (44a, 44b) so that the preset assist force is obtained. The pressure itself of the rotary valve (16) is controlled to the operation angle of the rotary valve, whereby the steering force of the steering wheel (13) is varied over a wide range of steering conditions with a reduced burden to the driver.
摘要翻译： 一种用于车辆的动力转向装置包括具有扭力杆（9）的转向机构（1），连接到油泵（33）并设置在输入轴（11）和输出轴（ 5a），具有突出在所述输入和输出轴之一上的按压部分（42）和另一个按压所述按压部分的按压片（44a，44b）的阀驱动机构。 目标辅助力被设定为通过使旋转阀（16）沿扭转杆（9）的扭转方向旋转而获得的辅助力和通过使旋转阀沿与扭转方向相反的方向旋转而获得的辅助力。 按压片驱动机构驱动按压片（44a，44b），从而获得预设的辅助力。 旋转阀（16）的压力本身被控制到旋转阀的操作角度，由此方向盘（13）的转向力在宽的转向条件范围内变化，同时减轻了对驾驶员的负担。
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公开(公告)号：EP0538836B1
公开(公告)日：1998-08-12
申请号：EP92118021.2
申请日：1992-10-21
发明人： Yamamoto, Youichi , Harara, Mitsuhiko , Yoshida, Hiroaki , Momose, Nobuo , Tanaka, Tadao , Takeo, Tsuyoshi
IPC分类号： B62D6/02
CPC分类号： B62D6/02
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