PATENT ABSTRACTS OF JAPAN
`
`(43)Date of publication of application : 16.02.1999
`
`(11)Publication number :
`
`11-046461
`
`(51 )Int.Cl.
`
`1/06
`H02K
`HOZK 16/02
`H02K 17/02
`
`
`(21)Application number : 09—215583
`
`(71)Applicant : SHIBAURA ENG WORKS CO LTD
`
`(22)Date of filing 2
`
`
`24.07.1997
`
`(72)]nventor 2 ‘NAKAZAWA ETSUO
`
`(54) MOTOR
`
`(57)Abstract:
`
`PROBLEM TO BE SOLVED: To effectively utilize the
`magnetic flux generated from a stator, by providing a rotor
`formed by mechanically coupling an inner rotor arranged on
`opposite to teeth at the inner peripheral side of the stator,
`and an outer rotor arranged in opposite to teeth at the
`inner peripheral side of the stator.
`SOLUTION: A stator core 1
`is constituted with a plurality
`of inner side teeth 3 extended radially toward the center of
`shaft from the inner peripheral side of a back yoke 2
`formed to a cylindrical shape, and a plurality of outer side
`teeth 4 extended outwardly from the outer peripheral side
`of a back yoke 2 with teeth arranged on the same radial
`line as the teeth 3 at the inner side. The stator 5
`
`
`
`comprises teeth of a stator core 1 and windings 6 wound
`around the back yoke 2 between teeth of the stator core
`1. Also, at the inner peripheral side of the stator 5, an
`inner rotor 7 is arranged in opposite to the teeth 3 at the
`inner side, and the outer rotor 8 is arranged in opposite to
`the teeth at the outer side at the outer peripheral side of
`the stator 5. In this way, magnetic flux created by the stator 5 can be effectively utilized.
`
`
`
`

`

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