Electric power steering apparatus
In an electric power steering apparatus that generates an auxiliary steering torque by a brushless motor in response to a steering torque applied on a steering wheel and transmits it to an output shaft of a steering mechanism while reducing it by means of a reduction gear, the apparatus comprises a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | In an electric power steering apparatus that generates an auxiliary steering torque by a brushless motor in response to a steering torque applied on a steering wheel and transmits it to an output shaft of a steering mechanism while reducing it by means of a reduction gear, the apparatus comprises a rotor ( 10 ) to which a cylindrical permanent magnet for rotational driving ( 12 ) and a member to be detected ( 13 ) for detection of a rotational angle of the rotor are attached and a cylindrical stator ( 30 ) opposed to the rotor in which a laminated core ( 16 ) on which a coil is wound, detection means ( 17 ) for detecting the rotational angle of the rotor by the member to be detected and a terminal ( 19 ) for providing connection to the coil are integrally formed by resin molding. At least one bearing ( 8, 9 ) for rotatably supporting the rotor is disposed radially inside the stator and between the permanent magnet for rotational driving and the member to be detected. |
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