Title:
PERMANENT MAGNET LINEAR MOTOR
Document Type and Number:
WIPO Patent Application WO/2022/047870
Kind Code:
A1
Abstract:
A permanent magnet linear motor, comprising: a sliding body (100), a magnetism generation mechanism (200), a magnetic yoke member (300) and magnetic members (400); the magnetic members (400) are arranged on the magnetic yoke member (300) at intervals; the magnetic yoke member (300) is mounted in the sliding body (100); the magnetism generation mechanism (200) is magnetically fitted with the magnetic members (400) and is used for driving the sliding body (100) itself to move; the end portion of each magnetic member (400) facing the magnetism generation mechanism (200) is an arc-shaped surface; and the convex surface of the end portion of each magnetic member (400) facing the magnetism generation mechanism (200) faces the magnetism generation mechanism (200). The permanent magnet linear motor can effectively reduce the thrust ripple during operation.
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Inventors:
WENG ZHAOYONG (CN)
GUO SHUN (CN)
SHI WEILING (CN)
GUO SHUN (CN)
SHI WEILING (CN)
Application Number:
PCT/CN2020/117837
Publication Date:
March 10, 2022
Filing Date:
September 25, 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:
H02K41/03
Foreign References:
| CN111564949A | 2020-08-21 | |||
| CN101789677A | 2010-07-28 | |||
| US20030227221A1 | 2003-12-11 | |||
| CN102361388A | 2012-02-22 | |||
| CN105449978A | 2016-03-30 | |||
| CN202034884U | 2011-11-09 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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