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1. (WO2017134827) ROTATION-ANGLE DETECTION DEVICE AND ELECTRIC MOTOR
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/134827 International Application No.: PCT/JP2016/053557
Publication Date: 10.08.2017 International Filing Date: 05.02.2016
IPC:
G01B 7/30 (2006.01) ,G01D 5/12 (2006.01)
G PHYSICS
01
MEASURING; TESTING
B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
7
Measuring arrangements characterised by the use of electric or magnetic means
30
for measuring angles or tapers; for testing the alignment of axes
G PHYSICS
01
MEASURING; TESTING
D
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12
using electric or magnetic means
Applicants:
三菱電機株式会社 MITSUBISHI ELECTRIC CORPORATION [JP/JP]; 東京都千代田区丸の内二丁目7番3号 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008310, JP
Inventors:
田村 崇 TAMURA, Takashi; JP
武舎 武史 MUSHA, Takeshi; JP
竹田 滋紀 TAKEDA, Shigenori; JP
Agent:
高村 順 TAKAMURA, Jun; JP
Priority Data:
Title (EN) ROTATION-ANGLE DETECTION DEVICE AND ELECTRIC MOTOR
(FR) DISPOSITIF DE DÉTECTION D'ANGLE DE ROTATION ET MOTEUR ÉLECTRIQUE
(JA) 回転角検出装置および電動機
Abstract:
(EN) This rotation-angle detection device (100) comprises: a shaft (10); a magnet (30) placed on one-end side of the shaft (10); a magnetic part that is made of a magnetic body and that rotates together with the magnet (30); a magnetism detection element (40) that is arranged in a position opposing the magnet (30) and that detects a change in magnetic field caused by the rotation of the magnet (30); and a plate part (60) that is made of a magnetic body and that is provided in a position opposing the magnetic part across the magnet (30) and the magnetism detection element (40). When viewed along the rotation axis of the shaft (10), both the outer diameter of a surface (10S) of the magnetic part opposing the plate part (60) and the outer diameter of a surface (60S) of the plate part (60) opposing the magnetic part are larger than the outer diameter of the magnet (30) and the outer diameter of the magnetism detection element (40).
(FR) L'invention concerne un dispositif de détection d'angle de rotation (100) qui comprend : un arbre (10) ; un aimant (30) placé sur un côté d'extrémité de l'arbre (10) ; une partie magnétique qui est constituée d'un corps magnétique et qui tourne conjointement avec l'aimant (30) ; un élément de détection de magnétisme (40) qui est disposé dans une position opposée à l'aimant (30) et qui détecte un changement de champ magnétique provoqué par la rotation de l'aimant (30) ; et une partie de plaque (60) qui est constituée d'un corps magnétique et qui est disposée dans une position opposée à la partie magnétique à travers l'aimant (30) et l'élément de détection de magnétisme (40). Dans une vue le long de l'axe de rotation de l'arbre (10), le diamètre externe d'une surface (10S) de la partie magnétique opposée à la partie de plaque (60) et le diamètre externe d'une surface (60S) de la partie de plaque (60) opposée à la partie magnétique sont plus grands que le diamètre externe de l'aimant (30) et le diamètre externe de l'élément de détection de magnétisme (40).
(JA)  回転角検出装置(100)は、シャフト(10)と、シャフト(10)の一端側に載置された磁石(30)と、磁石(30)とともに回転する磁性体からなる磁性部と、磁石(30)と対向する位置に配置され、磁石(30)の回転による磁界の変化を検出する磁気検出素子(40)と、磁石(30)および磁気検出素子(40)を挟んで磁性部と対向する位置に設けられた磁性体からなる板部(60)と、を備える。シャフト(10)の回転軸に沿って見た場合に、磁性部の板部(60)と対向する面(10S)の外径と、板部(60)の磁性部と対向する面(60S)の外径とがいずれも、磁石(30)の外径および磁気検出素子(40)の外径よりも大きい。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)