| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the mounting structure of a Hall sensor in an electric motor which can be downsized its axial direction and can improve the nonconductivity between the Hall sensor and an exciting coil, and further can prevent a lubricant from adhering to the Hall sensor and the circuit part of the Hall sensor. <P>SOLUTION: Hall sensors 20a, 20b, and 20c are connected to a circuit board 21, and the Hall sensors 20a, 20b, and 20c and the circuit board 21 are installed opposite to the rotating shaft 4a on the output side via a rotor 3 and a stator 2 in its axial direction, and insulating material 22 is installed to cover the Hall sensors 20a, 20b, and 20c and the circuit board 21. <P>COPYRIGHT: (C)2007,JPO&INPIT |
