| 摘要 |
DISCLOSED IS AN INSULATED BOBBIN FOR STATOR (2) WHICH HAS GOOD INSERTABILITY OF A STATOR IRON CORE (1) WITH NO REDUCTION OF COIL WINDING SPACE. A FIRST BOBBIN (11) AND A SECOND BOBBIN EACH COMPRISE A BOBBIN INNER RIM WALL (11A), PROVIDED ALONG AN OUTER RIM FACE OF AN IRON CORE MAIN BODY (LA), AND A PROJECTIONS (11B) PROJECTING FROM THE BOBBIN INNER RIM WALL (11A) IN THE DIAMETER DIRECTION IN CORRESPONDENCE WITH A PLURALITY OF PROJECTING POLES (1B), EACH PROJECTION (11B) BEING U-SHAPED IN CROSS-SECTION WITH AN OPENING ON THE DIVISION SIDE, AND A PAIR OF SIDE WALLS (11C,11D) OF THE PROJECTIONS (11B) BEING OF DIFFERENT HEIGHT IN THE CENTRAL AXIAL DIRECTION SO THAT A STEP IS CREATED BY THEIR EDGES. (FIGURE 1)
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