Title:
MAGNETIC STEEL PIECE FOR USE IN MOTOR, MOTOR AND THROTTLE BODY
Document Type and Number:
WIPO Patent Application WO/2017/113966
Kind Code:
A1
Abstract:
A magnetic steel piece (15) for use in a motor, the magnetic steel piece comprising a magnetic steel body (151) and a protective layer (152) surrounding the magnetic steel body (151), in which the protective layer (152) can prevent the magnetic steel piece (15) from producing debris due to partial fragmentation during operations, and from being stuck between the magnet and a rotor (18). Also disclosed are a motor (100) comprising the described magnetic steel piece (15) and a throttle body, when in use, the described magnetic steel piece (15) is capable of preventing an electronic throttle valve plate (600) from being stuck due to fragmentation of the magnetic steel piece, thus reducing defective yield and PPM value, improving service life of components, enhancing safety of the product, and achieving good economic benefits.
Inventors:
YU MINGTAO (CN)
JIANG YE (CN)
HAI SIQIONG (CN)
JIANG YE (CN)
HAI SIQIONG (CN)
Application Number:
PCT/CN2016/103588
Publication Date:
July 06, 2017
Filing Date:
October 27, 2016
Export Citation:
Assignee:
UNITED AUTOMOTIVE ELECT SYS CO (CN)
International Classes:
H02K1/12; F02D9/10
Foreign References:
| CN205283265U | 2016-06-01 | |||
| CN2251828Y | 1997-04-09 | |||
| CN2462610Y | 2001-11-28 | |||
| CN202103502U | 2012-01-04 | |||
| CN102710047A | 2012-10-03 | |||
| US20100301696A1 | 2010-12-02 |
Attorney, Agent or Firm:
SHANGHAI SAVVY INTELLECTUAL PROPERTY AGENCY (CN)
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