FR2856752B1 - Circuit hydraulique pour un appareil en option d'equipement lourd - Google Patents
Circuit hydraulique pour un appareil en option d'equipement lourdInfo
- Publication number
- FR2856752B1 FR2856752B1 FR0406416A FR0406416A FR2856752B1 FR 2856752 B1 FR2856752 B1 FR 2856752B1 FR 0406416 A FR0406416 A FR 0406416A FR 0406416 A FR0406416 A FR 0406416A FR 2856752 B1 FR2856752 B1 FR 2856752B1
- Authority
- FR
- France
- Prior art keywords
- hydraulic circuit
- heavy equipment
- optional apparatus
- equipment optional
- heavy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Servomotors (AREA)
- Magnetically Actuated Valves (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0041365A KR100527378B1 (ko) | 2003-06-25 | 2003-06-25 | 붐합류용 스플을 이용한 중장비 옵션장치용 유압회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2856752A1 FR2856752A1 (fr) | 2004-12-31 |
FR2856752B1 true FR2856752B1 (fr) | 2006-06-30 |
Family
ID=32653359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0406416A Expired - Fee Related FR2856752B1 (fr) | 2003-06-25 | 2004-06-14 | Circuit hydraulique pour un appareil en option d'equipement lourd |
Country Status (8)
Country | Link |
---|---|
US (1) | US6971302B2 (fr) |
JP (1) | JP4100690B2 (fr) |
KR (1) | KR100527378B1 (fr) |
CN (1) | CN1311135C (fr) |
DE (1) | DE102004031056B4 (fr) |
FR (1) | FR2856752B1 (fr) |
GB (1) | GB2403274B (fr) |
IT (1) | ITMI20041192A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100594856B1 (ko) * | 2005-03-08 | 2006-06-30 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 복합조작이 가능한 합류시스템 |
KR100934945B1 (ko) * | 2007-09-14 | 2010-01-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설중장비용 유압 회로 |
KR100939802B1 (ko) * | 2007-09-17 | 2010-02-02 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 중장비용 유압회로 |
KR101088752B1 (ko) * | 2009-05-22 | 2011-12-01 | 볼보 컨스트럭션 이큅먼트 에이비 | 복합 조작성을 개선시킨 유압시스템 |
KR20110019498A (ko) | 2009-08-20 | 2011-02-28 | 삼성모바일디스플레이주식회사 | 유기전계발광 표시장치 |
KR101045334B1 (ko) | 2009-09-14 | 2011-06-30 | 볼보 컨스트럭션 이큅먼트 에이비 | 굴삭기의 옵션 작업장치 제어용 유압시스템 |
GB2516804A (en) * | 2012-07-16 | 2015-02-04 | Volvo Constr Equip Ab | Method for controlling hydraulic system for construction machine |
CN104838073B (zh) * | 2012-11-23 | 2017-03-08 | 沃尔沃建造设备有限公司 | 用于控制工程机械的优先功能的设备和方法 |
CN103114623B (zh) * | 2013-02-28 | 2014-10-08 | 徐工集团工程机械股份有限公司道路机械分公司 | 一种步履式挖掘机遥控系统 |
DE102017117595A1 (de) | 2017-08-03 | 2019-02-07 | Voith Patent Gmbh | Verfahren zur regelung des ausgangsdrucks eines hydraulikantriebsystems, verwendung des verfahrens und hydraulikantriebsystem |
WO2019093538A1 (fr) * | 2017-11-08 | 2019-05-16 | Volvo Construction Equipment Ab | Circuit hydraulique |
WO2019117383A1 (fr) | 2017-12-15 | 2019-06-20 | Volvo Construction Equipment Ab | Machine hydraulique |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3865013A (en) * | 1973-11-12 | 1975-02-11 | Worthington Cei | Auxiliary tool control circuit |
JPH076530B2 (ja) * | 1986-09-27 | 1995-01-30 | 日立建機株式会社 | 油圧ショベルの油圧回路 |
CA1336203C (fr) * | 1988-07-27 | 1995-07-04 | Joseph M. Mather | Systeme hydraulique auxiliaire a commande electrique pour chargeur a direction differentielle |
JP2871112B2 (ja) * | 1990-12-21 | 1999-03-17 | 油谷重工株式会社 | 建設機械の旋回回路 |
US5333449A (en) * | 1991-09-02 | 1994-08-02 | Hitachi Construction Machinery Co., Ltd. | Pressure compensating valve assembly |
KR0145143B1 (ko) * | 1992-10-29 | 1998-08-01 | 오까다 하지메 | 유압제어밸브장치 및 유압구동장치 |
DE4243973C1 (de) * | 1992-12-23 | 1994-07-07 | Heilmeier & Weinlein | Hydraulische Steuervorrichtung |
KR950019256A (ko) * | 1993-12-30 | 1995-07-22 | 김무 | 스윙 가변 우선이 가능한 중장비용 유압회로 |
US5615991A (en) * | 1994-09-30 | 1997-04-01 | Samsung Heavy Industries Co., Ltd. | Variable priority device for heavy construction equipment |
JPH08219121A (ja) * | 1995-02-15 | 1996-08-27 | Hitachi Constr Mach Co Ltd | 油圧再生装置 |
KR0185493B1 (ko) * | 1996-03-30 | 1999-04-01 | 토니헬샴 | 중장비용 유량 합류장치 |
US5890362A (en) * | 1997-10-23 | 1999-04-06 | Husco International, Inc. | Hydraulic control valve system with non-shuttle pressure compensator |
JPH11218102A (ja) * | 1997-11-11 | 1999-08-10 | Komatsu Ltd | 圧油供給装置 |
JP3798187B2 (ja) * | 1999-06-24 | 2006-07-19 | 日立建機株式会社 | 油圧駆動装置 |
US6526747B2 (en) * | 2000-01-25 | 2003-03-04 | Hitachi Construction Machinery Co., Ltd. | Hydraulic driving device |
WO2002022969A1 (fr) * | 2000-09-12 | 2002-03-21 | Yanmar Co., Ltd. | Circuit hydraulique de vehicule servant a realiser des operations d'excavation et de pivotement |
JP3804487B2 (ja) * | 2001-08-08 | 2006-08-02 | 日立建機株式会社 | 油圧ショベルの油圧回路 |
US6675904B2 (en) * | 2001-12-20 | 2004-01-13 | Volvo Construction Equipment Holding Sweden Ab | Apparatus for controlling an amount of fluid for heavy construction equipment |
US6745564B2 (en) * | 2001-12-21 | 2004-06-08 | Volvo Construction Equipment Holding Sweden Ab | Hydraulic variable control apparatus for heavy construction equipment |
-
2003
- 2003-06-25 KR KR10-2003-0041365A patent/KR100527378B1/ko active IP Right Grant
-
2004
- 2004-05-17 US US10/847,929 patent/US6971302B2/en not_active Expired - Lifetime
- 2004-05-19 JP JP2004149205A patent/JP4100690B2/ja not_active Expired - Lifetime
- 2004-05-19 GB GB0411154A patent/GB2403274B/en not_active Expired - Fee Related
- 2004-06-14 FR FR0406416A patent/FR2856752B1/fr not_active Expired - Fee Related
- 2004-06-15 IT IT001192A patent/ITMI20041192A1/it unknown
- 2004-06-25 CN CNB2004100598581A patent/CN1311135C/zh not_active Expired - Fee Related
- 2004-06-25 DE DE102004031056A patent/DE102004031056B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4100690B2 (ja) | 2008-06-11 |
FR2856752A1 (fr) | 2004-12-31 |
GB0411154D0 (en) | 2004-06-23 |
CN1311135C (zh) | 2007-04-18 |
US6971302B2 (en) | 2005-12-06 |
KR100527378B1 (ko) | 2005-11-09 |
ITMI20041192A1 (it) | 2004-09-15 |
US20040261405A1 (en) | 2004-12-30 |
DE102004031056A1 (de) | 2005-01-20 |
CN1576613A (zh) | 2005-02-09 |
GB2403274A (en) | 2004-12-29 |
GB2403274B (en) | 2006-09-06 |
DE102004031056B4 (de) | 2006-02-09 |
KR20050000822A (ko) | 2005-01-06 |
JP2005016720A (ja) | 2005-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 14 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
PLFP | Fee payment |
Year of fee payment: 17 |
|
ST | Notification of lapse |
Effective date: 20220205 |