Title:
LINEAR VIBRATION ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2022/000879
Kind Code:
A1
Abstract:
A linear vibration electric motor (100), comprising: a housing (1) having an accommodating space (10); a vibration unit (2) arranged in the accommodating space (10); an elastic member (3) for suspending the vibration unit (2) in the accommodating space (10); and a driving assembly (4), which is fixed to the housing (1) and drives the vibration unit (2) to vibrate. The linear vibration electric motor (100) further comprises an elastic damping element (5), which is arranged between the housing (1) and the vibration unit (2) in a non-vibration direction of the vibration unit (2). The elastic damping element (5) comprises a first bottom surface (51) and a second bottom surface (52) that are arranged opposite each other, the first bottom surface (51) abutting against the housing (1), and the second bottom surface (52) abutting against the vibration unit (2). The electric motor is good in terms of reliability and stability.
More Like This:
| WO/2017/158583 | SLIM PROFILE HAPTIC TRANDUCERS |
| WO/2002/093719 | RECIPROCATING MOTOR |
| JPS60114581 | [Title of the device] Voice coil motor |
Inventors:
MA JIE (CN)
Application Number:
PCT/CN2020/123437
Publication Date:
January 06, 2022
Filing Date:
October 23, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECH NANJING CO LTD (CN)
AAC TECH NANJING CO LTD (CN)
International Classes:
H02K1/34; H02K33/02
Foreign References:
| CN105680662A | 2016-06-15 | |||
| CN108306475A | 2018-07-20 | |||
| CN202135032U | 2012-02-01 | |||
| CN206743085U | 2017-12-12 | |||
| CN204392054U | 2015-06-10 | |||
| CN204886626U | 2015-12-16 | |||
| US20080042500A1 | 2008-02-21 |
Attorney, Agent or Firm:
SHENZHEN JUNXINCHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
Download PDF: