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1. (WO2019064715) HYDRAULIC SYSTEM
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Pub. No.: WO/2019/064715 International Application No.: PCT/JP2018/022342
Publication Date: 04.04.2019 International Filing Date: 12.06.2018
IPC:
E02F 9/22 (2006.01) ,E02F 9/20 (2006.01) ,F15B 11/02 (2006.01) ,F15B 11/028 (2006.01)
E FIXED CONSTRUCTIONS
02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
F
DREDGING; SOIL-SHIFTING
9
Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/-E02F7/160
20
Drives; Control devices
22
Hydraulic or pneumatic drives
E FIXED CONSTRUCTIONS
02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
F
DREDGING; SOIL-SHIFTING
9
Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/-E02F7/160
20
Drives; Control devices
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
11
Servomotor systems without provision for follow-up action
02
Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
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
11
Servomotor systems without provision for follow-up action
02
Systems essentially incorporating special features for controlling the speed or the actuating force or speed of an output member
028
for controlling the actuating force
Applicants:
コベルコ建機株式会社 KOBELCO CONSTRUCTION MACHINERY CO., LTD. [JP/JP]; 広島県広島市佐伯区五日市港2丁目2番1号 2-1, Itsukaichikou 2-chome, Saeki-ku, Hiroshima-shi, Hiroshima 7315161, JP
Inventors:
南條 孝夫 NANJO, Takao; --
Agent:
小谷 悦司 KOTANI, Etsuji; JP
小谷 昌崇 KOTANI, Masataka; JP
村松 敏郎 MURAMATSU, Toshiro; JP
Priority Data:
2017-19161729.09.2017JP
Title (EN) HYDRAULIC SYSTEM
(FR) SYSTÈME HYDRAULIQUE
(JA) 油圧システム
Abstract:
(EN) Provided is a hydraulic system that can improve the acceleration of a swing motor (41) and control against increases in the flow rate of a hydraulic fluid supplied to the swing motor (41). The hydraulic system comprises a swing speed sensor (61) that detects the swing speed Vs of a swing body (11) and a controller (70) that controls the swing motor capacity Cm, which is the capacity of the swing motor (41). The controller (70) controls the swing motor capacity Cm so that the swing motor capacity Cm when the swing speed Vs is in a low-speed region V1 is greater than the swing motor capacity Cm when the swing speed Vs is in a high-speed region V2.
(FR) L'invention concerne un système hydraulique qui peut améliorer l'accélération d'un moteur de pivotement (41) et le commander pour contrer des augmentations de débit d'un fluide hydraulique alimenté au moteur de pivotement (41). Le système hydraulique comprend un capteur de vitesse de pivotement (61) qui détecte la vitesse de pivotement Vs d'un corps de pivotement (11) et un contrôleur (70) qui commande la capacité de moteur de pivotement Cm, qui est la capacité du moteur de pivotement (41). Le dispositif de commande (70) commande la capacité de moteur de pivotement Cm de telle sorte que la capacité de moteur de pivotement Cm lorsque la vitesse de pivotement Vs est dans une région à faible vitesse V1 est supérieure à la capacité de moteur de pivotement Cm lorsque la vitesse de pivotement Vs se trouve dans une région de vitesse élevée V2.
(JA) 旋回モータ(41)の加速性の向上と旋回モータ(41)に供給される作動油の流量の増大の抑制とが可能な油圧システムが提供される。油圧システムは、旋回体(11)の旋回速度Vsを検出する旋回速度センサ(61)と、旋回モータ(41)の容量である旋回モータ容量Cmを制御するコントローラ(70)と、を備える。コントローラ(70)は、旋回速度Vsが低速域V1にあるときの旋回モータ容量Cmを旋回速度Vsが高速域V2にあるときの旋回モータ容量Cmよりも大きくするように旋回モータ容量Cmを制御する。
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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)