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1. (WO2019049501) PISTON UNIT AND HYDRAULIC CYLINDER
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Pub. No.: WO/2019/049501 International Application No.: PCT/JP2018/025733
Publication Date: 14.03.2019 International Filing Date: 06.07.2018
IPC:
F15B 15/14 (2006.01) ,F15B 15/28 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15
FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
15
Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
08
characterised by the construction of the motor unit
14
of the straight-cylinder type
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15
FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
15
Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
20
Other details
28
Means for indicating the position, e.g. end of stroke
Applicants:
SMC株式会社 SMC CORPORATION [JP/JP]; 東京都千代田区外神田4丁目14番1号 14-1, Sotokanda 4-chome, Chiyoda-ku, Tokyo 1010021, JP
Inventors:
田村健 TAMURA Ken; JP
Agent:
千葉剛宏 CHIBA Yoshihiro; JP
宮寺利幸 MIYADERA Toshiyuki; JP
千馬隆之 SENBA Takayuki; JP
仲宗根康晴 NAKASONE Yasuharu; JP
坂井志郎 SAKAI Shiro; JP
関口亨祐 SEKIGUCHI Kosuke; JP
Priority Data:
2017-17226507.09.2017JP
Title (EN) PISTON UNIT AND HYDRAULIC CYLINDER
(FR) UNITÉ DE PISTON ET VÉRIN HYDRAULIQUE
(JA) ピストンユニット及び流体圧シリンダ
Abstract:
(EN) This piston unit (18) is provided with: a piston body (40); packing (42) mounted on an outer circumferential portion of the piston body (40); a holding member (44) having a plurality of magnet holding portions (58) that are arranged along a circumferential direction; a plurality of magnets (46) which are held at intervals in the circumferential direction; a first annular yoke (47) disposed on one side in an axial direction of the plurality of magnets (46); and a second annular yoke (48) disposed on the other side in the axial direction of the plurality of magnets (46).
(FR) L'invention concerne une unité de piston (18), laquelle unité comporte : un corps de piston (40) ; une garniture (42) montée sur une partie périphérique externe du corps de piston (40) ; un élément de maintien (44) ayant une pluralité de parties de maintien d'aimant (58) qui sont agencées le long d'une direction périphérique ; une pluralité d'aimants (46) qui sont maintenus par intervalles dans la direction périphérique ; une première culasse annulaire (47) disposée sur un côté dans une direction axiale de la pluralité d'aimants (46) ; et une seconde culasse annulaire (48) disposée de l'autre côté dans la direction axiale de la pluralité d'aimants (46).
(JA) ピストンユニット(18)は、ピストン本体(40)と、ピストン本体(40)の外周部に装着されたパッキン(42)と、周方向に配列された複数のマグネット保持部(58)を有する保持部材(44)と、周方向に間隔を置いて保持された複数のマグネット(46)と、複数のマグネット(46)の軸方向一方側に配置されたリング状の第1ヨーク(47)と、複数のマグネット(46)の軸方向他方側に配置されたリング状の第2ヨーク(48)とを備える。
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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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, 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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)