JP4653091B2 - 少なくとも2つの流体圧コンシューマに圧力手段を供給するための制御装置および方法 - Google Patents
少なくとも2つの流体圧コンシューマに圧力手段を供給するための制御装置および方法 Download PDFInfo
- Publication number
- JP4653091B2 JP4653091B2 JP2006525618A JP2006525618A JP4653091B2 JP 4653091 B2 JP4653091 B2 JP 4653091B2 JP 2006525618 A JP2006525618 A JP 2006525618A JP 2006525618 A JP2006525618 A JP 2006525618A JP 4653091 B2 JP4653091 B2 JP 4653091B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- consumer
- control device
- throttle orifice
- consumers
- 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
Images
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- 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
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40553—Flow control characterised by the type of flow control means or valve with pressure compensating valves
- F15B2211/40561—Flow control characterised by the type of flow control means or valve with pressure compensating valves the pressure compensating valve arranged upstream of the flow control means
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Transmission Device (AREA)
Description
2 可変容量形ポンプ
4 コンシューマ
6 コンシューマ
8 ジョイスティック
10 制御手段
12 ポンプライン
14 供給ライン
16 供給ライン
18 絞りオリフィス
20 絞りオリフィス
22 比例電磁弁
24 圧力補償弁
26 圧力補償弁
28 制御ライン
30 供給ライン
32 供給ライン
34 圧力センサー(負荷圧力)
36 圧力センサー(負荷圧力)
38 圧力センサー(ポンプ圧力)
Claims (7)
- 少なくとも2つの流体圧型のコンシューマ(4、6)に圧力媒体を供給するための制御装置であって、
可変容量を有する可変容量形ポンプ(2)と、
それぞれが前記コンシューマ(4、6)の1つと関連付けられ、目標値設定手段(8)において制御手段(10)を介して設定される目標値に応じて調節可能な少なくとも2つの絞りオリフィス(18、20)と、
負荷圧力を検出するために前記絞りオリフィスの下流の圧力媒体流路に設けられたセンサー(34、36)と、
前記目標値に応じて前記可変容量形ポンプ(2)に制御信号を出力するとともに、前記センサー(34、36)によって検出された信号に基づいて最大負荷圧力を有する前記コンシューマ(4、6)を検出するとともに、最大負荷圧力を有する前記コンシューマ(4、6)に関連付けられた前記絞りオリフィス(18、20)を完全に開制御するための前記制御手段(10)と、
各絞りオリフィス(18、20)の上流または下流に配置された圧力補償弁(24、26)と、
を含み、
前記圧力補償弁(24、26)には、前記絞りオリフィス(18、20)の上流の圧力が閉方向に印加され、前記絞りオリフィス(18、20)の下流の圧力が開方向に印加される制御装置。 - 請求項1において、
前記コンシューマ(4、6)の低圧側に圧力媒体を供給するためのアンチキャビテーション弁を含む制御装置。 - 請求項1または請求項2において、
前記目標値設定手段が少なくとも1つのジョイスティック(8)である制御装置。 - 請求項1に記載の制御装置を作動させるための方法であって、
前記制御装置は、前記コンシューマ(4、6)の負荷圧力を検出し、最大負荷圧力を有する前記コンシューマ(4、6)に関連付けられた前記絞りオリフィス(18、20)を完全に開制御することを特徴とする方法。 - 請求項4において、
前記制御装置は、供給量が不足する場合に、低い負荷圧力を有する前記コンシューマ(4、6)に関連付けられた前記絞りオリフィス(18、20)の流れ断面積を、目標累計流量に対する最大ポンプ容量の比で減少させる方法。 - 請求項4または請求項5において、
前記制御装置は、センサー(34、36)によって検出される信号を評価することによって引っ張り負荷を認識し、それに応じて前記可変容量形ポンプ(2)を減量方向に調節する方法。 - 請求項4〜6のいずれか1項において、
前記制御装置は、複数のコンシューマ(4、6)を同時に作動させる場合に、前記複数のコンシューマ(4、6)の負荷圧力を比較し、負荷圧力差が前記圧力補償弁の制御Δp未満である場合に、低い負荷圧力を有する前記コンシューマ(4、6)に関連付けられた前記絞りオリフィス(18、20)を、前記負荷圧力差を補償する程度に開制御する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10342037A DE10342037A1 (de) | 2003-09-11 | 2003-09-11 | Steueranordnung und Verfahren zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern |
PCT/DE2004/002008 WO2005024245A1 (de) | 2003-09-11 | 2004-09-09 | Steueranordnung und verfahren zur druckmittelversorgung von zumindest zwei hydraulischen verbrauchern |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007505270A JP2007505270A (ja) | 2007-03-08 |
JP4653091B2 true JP4653091B2 (ja) | 2011-03-16 |
Family
ID=34258572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006525618A Expired - Fee Related JP4653091B2 (ja) | 2003-09-11 | 2004-09-09 | 少なくとも2つの流体圧コンシューマに圧力手段を供給するための制御装置および方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7434393B2 (ja) |
EP (1) | EP1664551B1 (ja) |
JP (1) | JP4653091B2 (ja) |
AT (1) | ATE392555T1 (ja) |
DE (2) | DE10342037A1 (ja) |
WO (1) | WO2005024245A1 (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100043418A1 (en) * | 2005-09-30 | 2010-02-25 | Caterpillar Inc. | Hydraulic system and method for control |
DE102006061516B4 (de) * | 2006-12-18 | 2010-11-11 | Getrag Driveline Systems Gmbh | Hydraulikanordnung zur Ansteuerung zweier Aktuatoren |
DE102007019787A1 (de) | 2007-04-26 | 2008-10-30 | Robert Bosch Gmbh | Steueranordnung und Verfahren zur Ansteuerung von zumindest zwei Verbrauchern |
DE102007029358A1 (de) * | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers |
DE102007035971A1 (de) | 2007-08-01 | 2009-02-05 | Robert Bosch Gmbh | Steueranordnung und Verfahren zur Ansteuerung von zumindest zwei hydraulischen Verbrauchern |
US7905089B2 (en) * | 2007-09-13 | 2011-03-15 | Caterpillar Inc. | Actuator control system implementing adaptive flow control |
DE102007053036A1 (de) * | 2007-11-07 | 2009-05-14 | Robert Bosch Gmbh | Steuer- und/oder Regeleinrichtung sowie Verfahren |
US8869520B2 (en) * | 2007-11-21 | 2014-10-28 | Volvo Construction Equipment Ab | Load sensing system, working machine comprising the system, and method for controlling a hydraulic function |
DE102007059491B3 (de) * | 2007-12-11 | 2009-07-09 | Sauer-Danfoss Gmbh & Co Ohg | Verfahren und Schaltungsanordnung zur Druckmittelversorgung von zumindest zwei hydraulischen Verbrauchern |
DE102007062649A1 (de) * | 2007-12-24 | 2009-06-25 | Hydac Electronic Gmbh | Ventilvorrichtung |
JP5508293B2 (ja) * | 2008-03-10 | 2014-05-28 | パーカー・ハニフィン・コーポレーション | 複数のアクチュエータを備える油圧システム及び関連の制御方法 |
DE102009025683A1 (de) * | 2009-06-20 | 2010-12-23 | Robert Bosch Gmbh | Mobile Arbeitsmaschine mit Dämpfungseinrichtung von Schwingungen eines Arbeitsarms und Verfahren zur Dämpfung der Schwingungen |
US8353157B2 (en) * | 2009-08-06 | 2013-01-15 | Cnh America Llc | Open center hydraulic system |
DE102011106307A1 (de) | 2011-07-01 | 2013-01-03 | Robert Bosch Gmbh | Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern |
US9234512B2 (en) * | 2011-10-03 | 2016-01-12 | Tandem Technologies, Llc | Dosing pump system |
WO2014033496A1 (en) | 2012-08-25 | 2014-03-06 | Gibellini Matteo | Hydraulic valve assembly with electronic control of flow rate |
US9334629B2 (en) | 2013-03-15 | 2016-05-10 | Deere And Company | Open-center hydraulic system with machine information-based flow control |
DE102013214734A1 (de) | 2013-07-29 | 2015-01-29 | Robert Bosch Gmbh | Hydraulische Steueranordnung und Verfahren zur Versorgung mehrere Verbraucher damit |
DE102014208019A1 (de) * | 2014-04-29 | 2015-10-29 | Robert Bosch Gmbh | Hydraulische Steueranordnung für mehrere Aktuatoren |
US10183852B2 (en) * | 2015-07-30 | 2019-01-22 | Danfoss Power Solutions Gmbh & Co Ohg | Load dependent electronic valve actuator regulation and pressure compensation |
SE542526C2 (en) | 2015-10-19 | 2020-06-02 | Husqvarna Ab | Energy buffer arrangement and method for remote controlled demolition robot |
SE539241C2 (en) | 2015-10-19 | 2017-05-23 | Husqvarna Ab | Adaptive control of hydraulic tool on remote demolition robot |
SE542525C2 (en) | 2015-10-19 | 2020-06-02 | Husqvarna Ab | Automatic tuning of valve for remote controlled demolition robot |
DE102015015858A1 (de) * | 2015-12-03 | 2017-06-08 | Sauter Feinmechanik Gmbh | Überwachungseinrichtung für Werkzeugrevolver |
CN107906064A (zh) * | 2017-12-25 | 2018-04-13 | 邵阳维克液压股份有限公司 | 可切换恒压变量泵变量速度的装置及变量速度控制方法 |
US10801525B2 (en) | 2018-01-12 | 2020-10-13 | Eaton Intelligent Power Limited | Hydraulic valve with pressure limiter function |
DE102018104586A1 (de) * | 2018-02-28 | 2019-08-29 | Jungheinrich Aktiengesellschaft | Flurförderzeug mit mindestens einem hydraulischen Masthubzylinder |
JP6940447B2 (ja) | 2018-03-28 | 2021-09-29 | 株式会社日立建機ティエラ | 建設機械の油圧駆動装置 |
DE102018206271A1 (de) * | 2018-04-24 | 2019-10-24 | Putzmeister Engineering Gmbh | Verfahren zur Bewegungssteuerung eines Masts und Arbeitsmaschine |
CN109058195B (zh) * | 2018-10-30 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | 抢险设备的液压控制***和抢险设备 |
DE102019216771A1 (de) * | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Hydraulische Steueranordnung zur Druckmittelversorgung wenigstens zweier hydraulischer Verbraucher |
FR3106166B1 (fr) * | 2020-01-09 | 2022-01-21 | Bosch Gmbh Robert | « Installation de commande d’une installation hydraulique à plusieurs récepteurs fonctionnant en parallèle ». |
US11009048B1 (en) * | 2020-09-09 | 2021-05-18 | Robert Bosch Gmbh | Boom lift system |
US11313388B1 (en) * | 2021-01-29 | 2022-04-26 | Cnh Industrial America Llc | System and method for controlling hydraulic fluid flow within a work vehicle |
US11261582B1 (en) * | 2021-01-29 | 2022-03-01 | Cnh Industrial America Llc | System and method for controlling hydraulic fluid flow within a work vehicle using flow control valves |
US11143211B1 (en) * | 2021-01-29 | 2021-10-12 | Cnh Industrial America Llc | System and method for controlling hydraulic fluid flow within a work vehicle |
DE102021104398A1 (de) * | 2021-02-24 | 2022-08-25 | Arburg Gmbh + Co Kg | Hydraulikeinrichtung sowie Verfahren zur Regelung einer Hydraulikeinrichtung |
US11614101B1 (en) * | 2021-10-26 | 2023-03-28 | Cnh Industrial America Llc | System and method for controlling hydraulic valve operation within a work vehicle |
US11608615B1 (en) * | 2021-10-26 | 2023-03-21 | Cnh Industrial America Llc | System and method for controlling hydraulic valve operation within a work vehicle |
EP4310344A1 (de) * | 2022-07-18 | 2024-01-24 | Deere & Company | Lastgesteuerte hydraulikversorgung für ein an einem landwirtschaftlichen traktor angebrachtes anbaugerät |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993016285A1 (en) * | 1992-02-18 | 1993-08-19 | Hitachi Construction Machinery Co., Ltd. | Hydraulically driving system |
JPH09229004A (ja) * | 1996-02-28 | 1997-09-02 | Komatsu Ltd | 油圧駆動機械の制御装置 |
JP2001012417A (ja) * | 1999-06-29 | 2001-01-16 | Kobe Steel Ltd | 電動機一体型アクチュエータ |
JP2001193707A (ja) * | 1999-11-22 | 2001-07-17 | Caterpillar Inc | 電気油圧式バルブ制御のための方法とシステム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3644736C2 (de) | 1985-12-30 | 1996-01-11 | Rexroth Mannesmann Gmbh | Steueranordnung für mindestens zwei von mindestens einer Pumpe gespeiste hydraulische Verbraucher |
DE3546336A1 (de) | 1985-12-30 | 1987-07-02 | Rexroth Mannesmann Gmbh | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher |
DE3702002A1 (de) * | 1987-01-23 | 1988-08-04 | Hydromatik Gmbh | Steuervorrichtung fuer ein hydrostatisches getriebe fuer wenigstens zwei verbraucher |
JPH081202B2 (ja) * | 1989-04-03 | 1996-01-10 | 株式会社豊田自動織機製作所 | 単動式油圧シリンダの作動回路 |
US5209063A (en) * | 1989-05-24 | 1993-05-11 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit utilizing a compensator pressure selecting value |
US5279122A (en) * | 1989-08-16 | 1994-01-18 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement |
JP2557000B2 (ja) * | 1990-05-15 | 1996-11-27 | 株式会社小松製作所 | 操作弁装置 |
DE69132071T2 (de) * | 1990-05-15 | 2000-11-16 | Komatsu Mfg Co Ltd | Hydraulisches system |
DE4122164C1 (ja) * | 1991-07-04 | 1993-01-14 | Danfoss A/S, Nordborg, Dk | |
JP2579202Y2 (ja) * | 1992-04-10 | 1998-08-20 | 株式会社小松製作所 | 圧力補償弁を備えた操作弁 |
JP3677296B2 (ja) | 1995-10-09 | 2005-07-27 | 新キャタピラー三菱株式会社 | 建設機械の制御装置 |
WO1997032135A1 (en) * | 1996-02-28 | 1997-09-04 | Komatsu Ltd. | Control device for hydraulic drive machine |
JPH10141310A (ja) * | 1996-11-13 | 1998-05-26 | Komatsu Ltd | 圧油供給装置 |
DE19714141A1 (de) | 1997-04-05 | 1998-10-08 | Mannesmann Rexroth Ag | Hydraulische Steueranordnung |
DE19828963A1 (de) * | 1998-06-29 | 1999-12-30 | Mannesmann Rexroth Ag | Hydraulische Schaltung |
EP1099856A1 (en) * | 1999-05-28 | 2001-05-16 | Hitachi Construction Machinery Co., Ltd. | Pump capacity control device and valve device |
DE10027382A1 (de) | 2000-06-02 | 2001-12-06 | Bosch Gmbh Robert | Hydraulische Steuereinrichtung |
-
2003
- 2003-09-11 DE DE10342037A patent/DE10342037A1/de not_active Withdrawn
-
2004
- 2004-09-09 DE DE502004006859T patent/DE502004006859D1/de active Active
- 2004-09-09 US US10/570,157 patent/US7434393B2/en not_active Expired - Fee Related
- 2004-09-09 WO PCT/DE2004/002008 patent/WO2005024245A1/de active IP Right Grant
- 2004-09-09 AT AT04786730T patent/ATE392555T1/de active
- 2004-09-09 JP JP2006525618A patent/JP4653091B2/ja not_active Expired - Fee Related
- 2004-09-09 EP EP04786730A patent/EP1664551B1/de not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993016285A1 (en) * | 1992-02-18 | 1993-08-19 | Hitachi Construction Machinery Co., Ltd. | Hydraulically driving system |
JPH09229004A (ja) * | 1996-02-28 | 1997-09-02 | Komatsu Ltd | 油圧駆動機械の制御装置 |
JP2001012417A (ja) * | 1999-06-29 | 2001-01-16 | Kobe Steel Ltd | 電動機一体型アクチュエータ |
JP2001193707A (ja) * | 1999-11-22 | 2001-07-17 | Caterpillar Inc | 電気油圧式バルブ制御のための方法とシステム |
Also Published As
Publication number | Publication date |
---|---|
DE10342037A1 (de) | 2005-04-07 |
US20070006580A1 (en) | 2007-01-11 |
JP2007505270A (ja) | 2007-03-08 |
EP1664551A1 (de) | 2006-06-07 |
EP1664551B1 (de) | 2008-04-16 |
ATE392555T1 (de) | 2008-05-15 |
US7434393B2 (en) | 2008-10-14 |
DE502004006859D1 (de) | 2008-05-29 |
WO2005024245A1 (de) | 2005-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4653091B2 (ja) | 少なくとも2つの流体圧コンシューマに圧力手段を供給するための制御装置および方法 | |
KR101085984B1 (ko) | 2개 이상의 유압 액추에이터를 제어하기 위한 방법 및 장치 | |
JP3916559B2 (ja) | 圧力補償型流量制御装置を備えた油圧制御バルブシステム | |
US8726646B2 (en) | Hydraulic system having multiple actuators and an associated control method | |
US5129230A (en) | Control system for load sensing hydraulic drive circuit | |
CN109139577B (zh) | 阀块装置和用于阀块装置的方法 | |
JP4128482B2 (ja) | 油圧制御システム | |
JP5214450B2 (ja) | 圧力補償を増補した液圧システム | |
KR101859631B1 (ko) | 차동 압력 제어를 갖는 압력 보상형 유압 시스템 | |
US9200646B2 (en) | Control arrangement and method for activating a plurality of hydraulic consumers | |
JP2009281587A (ja) | 負荷検出による圧力制限を備えたポスト圧力補償の流体圧制御バルブ | |
JPS63176802A (ja) | 少なくとも1基のポンプから液圧が供給されている少なくとも2台の液圧消費装置の制御装置 | |
JP4976920B2 (ja) | ポンプ吐出量制御装置 | |
US6295810B1 (en) | Hydrostatic drive system | |
JP3910280B2 (ja) | 油圧駆動装置 | |
JP4658274B2 (ja) | 制御弁 | |
KR20120101614A (ko) | 밸브 장치 | |
JP3113547B2 (ja) | 油圧制御回路 | |
JPH07293508A (ja) | 油圧制御装置 | |
JP3281427B2 (ja) | 建設機械の油圧制御装置 | |
JP3281426B2 (ja) | 建設機械の油圧制御装置 | |
JPH11316611A (ja) | 圧力補償弁 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070620 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20080618 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20080618 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20080619 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100224 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100517 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100818 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101020 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101124 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101216 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131224 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |