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内容
連絡先のメール アドレス
出願の表示
出願の ID/番号
1. WO2020105230 - 流体圧制御装置
PCT 書誌情報
フルテキスト
図面
国内段階
パテント ファミリー
更新情報
書類
パーマリンク
自動翻訳
WIPO Translate
英語
フランス語
ドイツ語
スペイン語
ロシア語
韓国語
日本語
中国語
アラビア語
ポルトガル語
イタリア語
フィンランド語
公開番号
WO/2020/105230
公開日
28.05.2020
国際出願番号
PCT/JP2019/030975
国際出願日
06.08.2019
IPC
F15B 11/00
2006.1
F
機械工学;照明;加熱;武器;爆破
15
流体圧アクチュエータ;水力学または空気力学一般
B
流体手段によって作動する系一般;流体圧アクチュエータ,例.サーボモータ;他に分類されない流体圧系の細部
11
追従動作をしないサーボモータ系
E02F 9/22
2006.1
E
固定構造物
02
水工;基礎;土砂の移送
F
掘削;土砂の移送
9
グループE02F3/00~E02F7/00に属するものに限定されない掘削機または土砂移送機械の部品
20
駆動体;制御装置
22
水圧式または空気圧式駆動体
F15B 11/16
2006.1
F
機械工学;照明;加熱;武器;爆破
15
流体圧アクチュエータ;水力学または空気力学一般
B
流体手段によって作動する系一般;流体圧アクチュエータ,例.サーボモータ;他に分類されない流体圧系の細部
11
追従動作をしないサーボモータ系
16
2個以上のサーボモータをもつもの
F15B 11/00
2006.1
F
機械工学;照明;加熱;武器;爆破
15
流体圧アクチュエータ;水力学または空気力学一般
B
流体手段によって作動する系一般;流体圧アクチュエータ,例.サーボモータ;他に分類されない流体圧系の細部
11
追従動作をしないサーボモータ系
E02F 9/22
2006.1
E
固定構造物
02
水工;基礎;土砂の移送
F
掘削;土砂の移送
9
グループE02F3/00~E02F7/00に属するものに限定されない掘削機または土砂移送機械の部品
20
駆動体;制御装置
22
水圧式または空気圧式駆動体
F15B 11/16
2006.1
F
機械工学;照明;加熱;武器;爆破
15
流体圧アクチュエータ;水力学または空気力学一般
B
流体手段によって作動する系一般;流体圧アクチュエータ,例.サーボモータ;他に分類されない流体圧系の細部
11
追従動作をしないサーボモータ系
16
2個以上のサーボモータをもつもの
分類の表示データを減らす
CPC
E02F 9/2221
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2221
Control of flow rate; Load sensing arrangements
E02F 9/2239
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2221
Control of flow rate; Load sensing arrangements
2239
using two or more pumps with cross-assistance
E02F 9/2267
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2264
Arrangements or adaptations of elements for hydraulic drives
2267
Valves or distributors
E02F 9/2271
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2264
Arrangements or adaptations of elements for hydraulic drives
2271
Actuators and supports therefor and protection therefor
E02F 9/2282
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2278
Hydraulic circuits
2282
Systems using center bypass type changeover valves
E02F 9/2292
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2278
Hydraulic circuits
2292
Systems with two or more pumps
分類をさらに表示
E02F 9/2221
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2221
Control of flow rate; Load sensing arrangements
E02F 9/2239
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2221
Control of flow rate; Load sensing arrangements
2239
using two or more pumps with cross-assistance
E02F 9/2267
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2264
Arrangements or adaptations of elements for hydraulic drives
2267
Valves or distributors
E02F 9/2271
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2264
Arrangements or adaptations of elements for hydraulic drives
2271
Actuators and supports therefor and protection therefor
E02F 9/2282
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2278
Hydraulic circuits
2282
Systems using center bypass type changeover valves
E02F 9/2292
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
E02F3/00
-
E02F7/00
20
Drives; Control devices
22
Hydraulic or pneumatic drives
2278
Hydraulic circuits
2292
Systems with two or more pumps
F15B 11/17
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; ; Circuits therefor
16
with two or more servomotors
17
using two or more pumps
F15B 13/06
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
13
Details of servomotor systems
02
Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
06
for use with two or more servomotors
F15B 13/0839
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
13
Details of servomotor systems
02
Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
06
for use with two or more servomotors
08
Assemblies of units, each for the control of a single servomotor only
0803
Modular units
0832
Modular valves
0839
Stacked plate type valves
F15B 2211/20523
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
2211
Circuits for servomotor systems
20
Fluid pressure source, e.g. accumulator or variable axial piston pump
205
Systems with pumps
20507
Type of prime mover
20523
Internal combustion engine
F15B 2211/20538
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
2211
Circuits for servomotor systems
20
Fluid pressure source, e.g. accumulator or variable axial piston pump
205
Systems with pumps
2053
Type of pump
20538
constant capacity
F15B 2211/20546
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
2211
Circuits for servomotor systems
20
Fluid pressure source, e.g. accumulator or variable axial piston pump
205
Systems with pumps
2053
Type of pump
20546
variable capacity
F15B 2211/20576
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
2211
Circuits for servomotor systems
20
Fluid pressure source, e.g. accumulator or variable axial piston pump
205
Systems with pumps
20576
with multiple pumps
F15B 2211/30595
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
2211
Circuits for servomotor systems
30
Directional control
305
characterised by the type of valves
3056
Assemblies of multiple valves
3059
having multiple valves for multiple output members
30595
with additional valves between the groups of valves for multiple output members
F15B 2211/3105
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
2211
Circuits for servomotor systems
30
Directional control
31
characterised by the positions of the valve element
3105
Neutral or centre positions
F15B 2211/3111
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
2211
Circuits for servomotor systems
30
Directional control
31
characterised by the positions of the valve element
3105
Neutral or centre positions
3111
the pump port being closed in the centre position, e.g. so-called closed centre
F15B 2211/3116
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
2211
Circuits for servomotor systems
30
Directional control
31
characterised by the positions of the valve element
3105
Neutral or centre positions
3116
the pump port being open in the centre position, e.g. so-called open centre
F15B 2211/31535
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
2211
Circuits for servomotor systems
30
Directional control
315
characterised by the connections of the valve or valves in the circuit
31523
being connected to a pressure source and an output member
31535
having multiple pressure sources and a single output member
F15B 2211/31582
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
2211
Circuits for servomotor systems
30
Directional control
315
characterised by the connections of the valve or valves in the circuit
3157
being connected to a pressure source, an output member and a return line
31582
having multiple pressure sources and a single output member
F15B 2211/329
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
2211
Circuits for servomotor systems
30
Directional control
32
characterised by the type of actuation
329
actuated by fluid pressure
F15B 2211/428
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
2211
Circuits for servomotor systems
40
Flow control
42
characterised by the type of actuation
428
actuated by fluid pressure
F15B 2211/45
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
2211
Circuits for servomotor systems
40
Flow control
45
Control of bleed-off flow, e.g. control of bypass flow to the return line
F15B 2211/50518
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
2211
Circuits for servomotor systems
50
Pressure control
505
characterised by the type of pressure control means
50509
the pressure control means controlling a pressure upstream of the pressure control means
50518
using pressure relief valves
F15B 2211/7135
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
2211
Circuits for servomotor systems
70
Output members, e.g. hydraulic motors or cylinders or control therefor
71
Multiple output members, e.g. multiple hydraulic motors or cylinders
7135
Combinations of output members of different types, e.g. single-acting cylinders with rotary motors
F15B 2211/7142
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
2211
Circuits for servomotor systems
70
Output members, e.g. hydraulic motors or cylinders or control therefor
71
Multiple output members, e.g. multiple hydraulic motors or cylinders
7142
the output members being arranged in multiple groups
分類の表示データを減らす
出願人
KYB株式会社 KYB CORPORATION
[JP]/[JP]
発明者
木谷 俊行 KITANI, Toshiyuki
吉田 説与 YOSHIDA, Nobuyoshi
代理人
特許業務法人後藤特許事務所 GOTOH & PARTNERS
優先権情報
2018-217345
20.11.2018
JP
公開言語 (言語コード)
日本語 (ja)
出願言語 (言語コード)
日本語 (JA)
指定国 (国コード)
すべて表示
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
アフリカ広域知的所有権機関 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
ユーラシア特許庁(EAPO) (AM, AZ, BY, KG, KZ, RU, TJ, TM)
欧州特許庁(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)
アフリカ知的所有権機関(OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
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発明の名称
(EN)
FLUID PRESSURE CONTROL DEVICE
(FR)
DISPOSITIF DE COMMANDE DE PRESSION DE FLUIDE
(JA)
流体圧制御装置
要約
(EN)
A main circuit system (HC1) in a fluid pressure control device (100) has: a neutral cut-off valve (110) that connects or shuts off a first neutral passage (11) and a tank (T); a first external output passage (14) that connects downstream from first control valves (12) in the first neutral passage (11) and upstream from the neutral cut-off valve (110) and can supply hydraulic fluid to outside; and a second external output passage (15) that can supply, to outside, the hydraulic fluid that has been supplied via the neutral cut-off valve (110). The neutral cut-off valve (110) is switched between: a first position (P1) that permits hydraulic fluid to be guided into the tank (T); a second position (P2) that prohibits the supply of hydraulic fluid to outside via the second external output passage (15); and a third position (P3) that permits supply of the hydraulic fluid to outside via the second external output passage (15).
(FR)
L'invention concerne un système de circuit principal (HC1) dans un dispositif de commande de pression de fluide (100) comprenant : une soupape de coupure neutre (110) qui relie ou ferme un premier passage neutre (11) et un réservoir (T) ; un premier passage de sortie externe (14) qui se raccorde en aval de premières soupapes de commande (12) dans le premier passage neutre (11) et en amont de la soupape de coupure neutre (110) et peut fournir un fluide hydraulique à l'extérieur ; et un second passage de sortie externe (15) qui peut fournir, à l'extérieur, le fluide hydraulique qui a été fourni par l'intermédiaire de la soupape de coupure neutre (110). La soupape de coupure neutre (110) est commutée entre : une première position (P1) qui permet à un fluide hydraulique d'être guidé dans le réservoir (T) ; une seconde position (P2) qui interdit l'alimentation en fluide hydraulique vers l'extérieur par l'intermédiaire du second passage de sortie externe (15) ; et une troisième position (P3) qui permet l'alimentation du fluide hydraulique vers l'extérieur par l'intermédiaire du second passage de sortie externe (15).
(JA)
流体圧制御装置(100)における主回路系統(HC1)は、第1中立通路(11)とタンク(T)とを連通または遮断する中立カット弁(110)と、第1中立通路(11)における第1制御弁(12)の下流であってかつ中立カット弁(110)の上流に連通し、作動流体を外部へ供給可能な第1外部出力通路(14)と、中立カット弁(110)を通じて供給される作動流体を外部へ供給可能な第2外部出力通路(15)と、を有し、中立カット弁(110)は、作動流体がタンク(T)に導かれることを許容する第1位置(P1)と、作動流体が第2外部出力通路(15)を通じて外部に供給されることを禁止する第2位置(P2)と、作動流体が第2外部出力通路(15)を通じて外部に供給されることを許容する第3位置(P3)と、の間で切り換えられる。
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