| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a structure in which a relief groove does not adversely affect characteristics of a resolver even when the relief groove for avoiding interference with a recessed edge of a rotary shaft is provided on a root part of a projection part, in a detent structure in which the projection part on a rotor inner side and a recessed part provided on the rotary shaft are fitted. <P>SOLUTION: A rotor 100 of a VR type resolver includes: a hollow part 101 for attaching a shaft; a projection part 106 projected in a direction of a rotation center from an inner peripheral surface of the hollow part 101; and relief grooves 107 and 108 which are formed at the root part of the projection part 106, are not recessed in a direction of separating from the rotation center, and are recessed in a direction of the inside of the projection part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
