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Patent Searching and Data


Title:
ROTARY DRIVE SOURCE FOR ELECTRIC ACTUATOR, AND ELECTRIC ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/100953
Kind Code:
A1
Abstract:
A position detection structure is provided with: a rotation side pulser ring having a magnetizing part for which N and S poles are arranged alternating along the circumference direction on the inner peripheral surface side; and a fixed side detection sensor that approaches and faces the magnetizing part of this pulser ring in the radial direction. The pulser ring of the position detection structure is overlapped in the axial direction at the inner diameter side of one of the axial direction end parts of the coil of the stator.

Inventors:
MATSUTO Takushi (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
USHIDA Kimihito (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
KAWAI Masahiro (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
KATO Akio (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
Application Number:
JP2017/039256
Publication Date:
June 07, 2018
Filing Date:
October 31, 2017
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
H02K11/215; F16D7/02; G01D5/245; H02K7/116; F16H13/08; F16H25/20; F16H35/10
Foreign References:
JP2016093009A2016-05-23
JPS62195534U1987-12-12
CN104505978A2015-04-08
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
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