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    • 11. 发明公开
    • STEERING DEVICE FOR VEHICLE
    • LENKEINRICHTUNGFÜREIN FAHRZEUG
    • EP2202130A1
    • 2010-06-30
    • EP08841871.0
    • 2008-10-17
    • JTEKT Corporation
    • SHIINA, AkihikoNAKAOKA, MasakiTSUJI, YasuakiSAITOU, YasuhiroTSUCHIMOCHI, SunaoOTSUKI, HidetakaYAMAKAWA, Tomonari
    • B62D5/04B62D1/16F16H1/32
    • B62D5/0409B62D5/008F16H1/321
    • A motor vehicle steering system (1) comprises a transmission ratio variable mechanism (5) capable of changing a transmission ratio (θ2/θ1), and a steering-assist-force imparting mechanism (19). The transmission ratio variable mechanism (5) is provided with an input member (20) and an output member (22) capable of rotation about a first axis (A), an inner race (391) for differentially rotatably coupling to each member (20, 22), an outer race (392) for rotatably supporting the inner race(391) via a rolling element (393), and an electric motor (23) for rotation-driving the outer race (392). A second axis (B) that is a center line of the inner race (391) and the outer race (392) is inclined relative to the first axis (A). The motor (23) corotatably holds the outer race (392), and has a rotor (231) capable of rotation around the first axis (A). The rotor (231) is in a cylindrical form to surround the outer race (392).
    • 机动车转向系统(1)包括能够改变传动比(¸2/¸1)的传动比可变机构(5)和转向辅助力传递机构(19)。 传动比可变机构(5)设置有能够围绕第一轴线(A)旋转的输入构件(20)和输出构件(22),用于与每个构件(20)差分可旋转地联接的内座圈(391) ,22),用于经由滚动元件(393)可旋转地支撑所述内圈(391)的外圈(392)和用于旋转驱动所述外圈(392)的电动马达(23)。 作为内圈(391)和外座圈(392)的中心线的第二轴线(B)相对于第一轴线(A)倾斜。 电动机(23)可旋转地保持外座圈(392),并且具有能够绕第一轴线(A)旋转的转子(231)。 转子(231)为围绕外圈(392)的圆柱形。