Title:
LINEAR MOTOR
Document Type and Number:
WIPO Patent Application WO/2022/056970
Kind Code:
A1
Abstract:
A linear motor, comprising a base (100), a sliding seat (200), a primary magnetic pole (300) and a secondary magnetic pole (400) that are located in a mounting cavity (101), and a grating ruler (500) and a read head (600) that are located in the mounting cavity (101) and arranged opposite to each other. The grating ruler (500) and the read head (600) are arranged along the movement direction of the sliding seat (200); and at least one part of the grating ruler (500) and at least one part of the read head (600) are located in a coverage region defined by the primary magnetic pole (300) and the secondary magnetic pole (400). According to the linear motor, the width of the linear motor can be reduced, and thus, the overall size of the linear motor is reduced.
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Inventors:
GUO SHUN (CN)
ZHENG GAOWEI (CN)
DING HONGFU (CN)
ZHENG GAOWEI (CN)
DING HONGFU (CN)
Application Number:
PCT/CN2020/120434
Publication Date:
March 24, 2022
Filing Date:
October 12, 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:
H02K41/02; H02K11/22
Foreign References:
| CN206353749U | 2017-07-25 | |||
| CN109314456A | 2019-02-05 | |||
| CN106887939A | 2017-06-23 | |||
| CN207518461U | 2018-06-19 | |||
| US20150280529A1 | 2015-10-01 |
Attorney, Agent or Firm:
SHENZHEN CIPRUN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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