Title:
ELECTROMAGNETIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2021/000122
Kind Code:
A1
Abstract:
An electromagnetic actuator (100), comprising a housing (1) provided with an accommodating space (10), a stator (2) accommodated within the accommodating space (10), a vibrator (3) arranged opposite to the stator (2) at an interval, and an elastic assembly (4) that suspends the vibrator (3) in the accommodating space (10); the elastic assembly (4) comprises two elastic pieces (41) having a planar structure, and the two elastic pieces (41) are arranged at two opposite sides of the vibrator (3) along the vibration direction of the vibrator (3); and each elastic piece (41) is fixedly connected to the vibrator (3) and extends and is fixed to the housing (1). The electromagnetic actuator (100) has good vibration stability and an improved vibration performance.
Inventors:
ZHOU KEYONG (CN)
WANG YAYU (CN)
YAN XUDONG (CN)
LIU WEI (CN)
WANG YAYU (CN)
YAN XUDONG (CN)
LIU WEI (CN)
Application Number:
PCT/CN2019/094020
Publication Date:
January 07, 2021
Filing Date:
June 29, 2019
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)
AAC TECHNOLOGIES PTE LTD (SG)
International Classes:
H04R9/02; H02K33/02
Foreign References:
| CN107546950A | 2018-01-05 | |||
| CN208798206U | 2019-04-26 | |||
| KR101197095B1 | 2012-11-07 | |||
| CN107193105A | 2017-09-22 | |||
| CN105305761A | 2016-02-03 | |||
| CN104976263A | 2015-10-14 |
Attorney, Agent or Firm:
GUANGDONG GUANGHE LAW FIRM (CN)
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