Title:
ACTUATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/074145
Kind Code:
A1
Abstract:
This electromagnetic actuator has a stator and a mover. The stator comprises an inner cylinder and an armature (a core member and a coil). The mover comprises an outer cylinder, a cylindrical magnet cover disposed inside the outer cylinder, and a plurality of magnets fixed to the magnet cover. The plurality of magnets are applied with an adhesive further on the outside in the circumferential direction than contact portions with the magnet cover. In addition that, the plurality of magnets have a first adhesive housing portion for enabling the adhesive to be housed. The first adhesive housing portion is formed, for example, by chamfering positioned on the radial direction inside of the end surfaces of the magnets in the circumferential direction.
Inventors:
RI TOMOYUKI (JP)
Application Number:
PCT/JP2022/033824
Publication Date:
May 04, 2023
Filing Date:
September 09, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02K41/03; F16F15/02; F16F15/03
Foreign References:
| JP2020159492A | 2020-10-01 | |||
| JPH0956090A | 1997-02-25 | |||
| JP2002130123A | 2002-05-09 | |||
| JPS5559579U | 1980-04-23 | |||
| JP2013210048A | 2013-10-10 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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