| 摘要 |
PURPOSE:To mount a Hall sensor easily on a stator accurately without using another holder by housing a Hall sensor installed to an electric substrate in a housing recessed section formed to the upper section of the tooth section of the stator when the electric substrate is attached onto the stator. CONSTITUTION:When a stator core, from which tooth sections 14 are projected, is premolded on the inner circumferential surface of the core back 12 of a stator 10 with a resin, external walls 16 are installed onto top faces on the core back 12 sides of the tooth sections 14, internal walls 18 are set up on top faces on the insides of the tooth sections 14, and coil 20 are wound among the external walls 16 and the internal walls 18. Housing recessed sections 22 are attached on the sides further inner than the internal walls 18 on the top faces of the tooth sections 14, the rear walls of the housing recessed sections are worked as the internal walls 18 in combination, and both left and right sidewalls 24, 26 are mounted. When PC substrates, in which driver circuits are installed on top faces and Hall sensors 32 are set up on undersides, are fitted onto the stator 10, the Hall sensors 32 are housed in the housing recessed sections 22. Accordingly, the Hall sensors 32 can be mounted accurately inside the top faces of the tooth sections 14. |
