Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/031389
Kind Code:
A1
Abstract:
An actuator, wherein a drive mechanism 5 for causing a mobile body 3 to vibrate in a first direction X has a first magnetic core 51 in which a plurality of first salient poles 511 are provided in the mobile body 3 along the first direction X, and a second magnetic core 52 in which a plurality of second salient poles 521 are provided in the mobile body 3 along the first direction X so as to have a phase opposite that of the first salient poles 511. In a support body 2, an armature 54 comprises a permanent magnet 56 that is magnetized along the first direction X, a first armature core 57 that overlaps the permanent magnet 56 from one side X1 in the first direction X, a second armature core 58 that overlaps the permanent magnet 56 from the other side X2 in the first direction X, and a drive coil 59 that is wound about the first armature core 57 and the second armature core 58.
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Inventors:
MOROI AKIRA (JP)
ANDO MASAAKI (JP)
ISAJI NAOYA (JP)
ANDO MASAAKI (JP)
ISAJI NAOYA (JP)
Application Number:
PCT/JP2018/029084
Publication Date:
February 14, 2019
Filing Date:
August 02, 2018
Export Citation:
Assignee:
NIDEC SANKYO CORP (JP)
International Classes:
H02K33/16; F16C29/04
Domestic Patent References:
| WO2017130936A1 | 2017-08-03 |
Foreign References:
| JP2016127789A | 2016-07-11 | |||
| JPH06280868A | 1994-10-07 |
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