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1. (WO2019026892) HYDRAULIC DRIVE DEVICE
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Pub. No.: WO/2019/026892 International Application No.: PCT/JP2018/028612
Publication Date: 07.02.2019 International Filing Date: 31.07.2018
IPC:
F04B 49/16 (2006.01) ,F04B 1/22 (2006.01) ,F04B 1/26 (2006.01) ,F15B 11/00 (2006.01) ,F15B 15/18 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
49
Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups F04B1/-F04B47/196
16
by adjusting the capacity of dead spaces of working chambers
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12
having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
20
having rotary cylinder block
22
having two or more sets of cylinders or pistons
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12
having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
26
Control
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
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
18
Combined units comprising both motor and pump
Applicants:
川崎重工業株式会社 KAWASAKI JUKOGYO KABUSHIKI KAISHA [JP/JP]; 兵庫県神戸市中央区東川崎町3丁目1番1号 1-1, Higashikawasaki-cho 3-chome, Chuo-ku, Kobe-shi, Hyogo 6508670, JP
Inventors:
田中 英紀 TANAKA, Hideki; --
渡辺 英樹 WATANABE, Hideki; --
吉村 勇 YOSHIMURA, Isamu; --
服部 智秀 HATTORI, Tomohide; --
尾形 麻里子 OGATA, Mariko; --
穴田 忠 ANADA, Tadashi; --
Agent:
特許業務法人 有古特許事務所 PATENT CORPORATE BODY ARCO PATENT OFFICE; 兵庫県神戸市中央区東町123番地の1 貿易ビル3階 3rd Fl., Bo-eki Bldg., 123-1, Higashimachi, Chuo-ku, Kobe-shi, Hyogo 6500031, JP
Priority Data:
2017-15016402.08.2017JP
Title (EN) HYDRAULIC DRIVE DEVICE
(FR) DISPOSITIF D'ENTRAÎNEMENT HYDRAULIQUE
(JA) 液圧駆動装置
Abstract:
(EN) This hydraulic drive device is provided with: an electric motor; a variable capacity pump which is driven by the electric motor and which has a pair of pump ports of which a discharge side and a suction side switch in accordance with the direction of rotation of the electric motor; a hydraulic actuator which is connected to the pair of pump ports by means of a first supply/discharge line and a second supply/discharge line; and a control device which controls the electric motor on the basis of an actuator position command value for the hydraulic actuator; wherein the pump is configured in such a way that the capacity of the pump decreases as a differential pressure between the first supply/discharge line and the second supply/discharge line increases.
(FR) L'invention concerne un dispositif d'entraînement hydraulique qui comprend : un moteur électrique ; une pompe à capacité variable qui est entraînée par le moteur électrique et comporte une paire d'orifices de pompe, dont un côté décharge et un côté aspiration qui permutent en fonction du sens de rotation du moteur électrique ; un actionneur hydraulique qui est relié à la paire d'orifices de pompe au moyen d'une première conduite d'alimentation/refoulement et d'une seconde conduite d'alimentation/refoulement ; et un dispositif de commande, qui commande le moteur électrique sur la base d'une valeur de commande de position d'actionneur liée à l'actionneur hydraulique. La pompe est conçue de sorte que la capacité de la pompe diminue à mesure que la différence de pression entre la première conduite d'alimentation/refoulement et la seconde conduite d'alimentation/refoulement augmente.
(JA) 液圧駆動装置は、電動モータと、電動モータによって駆動される可変容量型のポンプであって、電動モータの回転方向によって吐出側と吸込側とが切り換わる一対のポンプポートを有するポンプと、第1給排ラインおよび第2給排ラインにより一対のポンプポートと接続された液圧アクチュエータと、液圧アクチュエータに対するアクチュエータ位置指令値に基づいて電動モータを制御する制御装置と、を備え、ポンプは、第1給排ラインと第2給排ラインとの差圧が大きくなるほど当該ポンプの容量が小さくなるように構成されている。
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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)