ITVI950172A0 - Gruppo di potenza per l'alimentazione di attuatori idraulici - Google Patents
Gruppo di potenza per l'alimentazione di attuatori idrauliciInfo
- Publication number
- ITVI950172A0 ITVI950172A0 ITVI950172A ITVI950172A ITVI950172A0 IT VI950172 A0 ITVI950172 A0 IT VI950172A0 IT VI950172 A ITVI950172 A IT VI950172A IT VI950172 A ITVI950172 A IT VI950172A IT VI950172 A0 ITVI950172 A0 IT VI950172A0
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic actuators
- power group
- powering hydraulic
- powering
- group
- Prior art date
Links
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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
-
- 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
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- 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
- F15B2211/20569—Type of pump capable of working as pump and motor
-
- 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
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line 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
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
-
- 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5156—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a return line 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6333—Electronic controllers using input signals representing a state of the pressure source, e.g. swash plate angle
-
- 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
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7052—Single-acting output members
-
- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95VI000172A IT1280604B1 (it) | 1995-11-02 | 1995-11-02 | Gruppo di potenza per l'alimentazione di attuatori idraulici |
EP96117401A EP0777055A3 (en) | 1995-11-02 | 1996-10-30 | A power unit for the supply of hydraulic actuators |
US08/936,682 US6005360A (en) | 1995-11-02 | 1997-09-24 | Power unit for the supply of hydraulic actuators |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95VI000172A IT1280604B1 (it) | 1995-11-02 | 1995-11-02 | Gruppo di potenza per l'alimentazione di attuatori idraulici |
US08/936,682 US6005360A (en) | 1995-11-02 | 1997-09-24 | Power unit for the supply of hydraulic actuators |
Publications (3)
Publication Number | Publication Date |
---|---|
ITVI950172A0 true ITVI950172A0 (it) | 1995-11-02 |
ITVI950172A1 ITVI950172A1 (it) | 1997-05-02 |
IT1280604B1 IT1280604B1 (it) | 1998-01-23 |
Family
ID=26332599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95VI000172A IT1280604B1 (it) | 1995-11-02 | 1995-11-02 | Gruppo di potenza per l'alimentazione di attuatori idraulici |
Country Status (3)
Country | Link |
---|---|
US (1) | US6005360A (it) |
EP (1) | EP0777055A3 (it) |
IT (1) | IT1280604B1 (it) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19744429A1 (de) * | 1997-10-08 | 1999-04-22 | Still Wagner Gmbh & Co Kg | Flurförderfahrzeug mit einer Lastaufnahmevorrichtung und Verfahren zum Absenken der Lastaufnahmevorrichtung |
US6126401A (en) * | 1998-08-12 | 2000-10-03 | Computer Graphics Systems Development Corporation | Hybrid electric/hydraulic drive system |
JP2000136806A (ja) * | 1998-11-04 | 2000-05-16 | Komatsu Ltd | 圧油のエネルギー回収装置および圧油のエネルギー回収・再生装置 |
US6652239B2 (en) * | 2001-03-29 | 2003-11-25 | Kadant Inc. | Motor controller for a hydraulic pump with electrical regeneration |
JP2004011168A (ja) * | 2002-06-04 | 2004-01-15 | Komatsu Ltd | 建設機械 |
SE525159C2 (sv) * | 2002-06-05 | 2004-12-14 | Bt Ind Ab | Förfarande för att styra sänkningsrörelsen för en trucks luftcylinder |
US6945039B2 (en) * | 2003-11-14 | 2005-09-20 | Caterpillar Inc. | Power system and work machine using same |
US7401464B2 (en) * | 2003-11-14 | 2008-07-22 | Caterpillar Inc. | Energy regeneration system for machines |
US20060090462A1 (en) * | 2003-11-14 | 2006-05-04 | Kazunori Yoshino | Energy regeneration system for working machinery |
JP4667801B2 (ja) * | 2004-09-10 | 2011-04-13 | 日本輸送機株式会社 | 油圧システム及びこれを備えたフォークリフト |
DE102005052108A1 (de) * | 2005-11-02 | 2007-05-03 | Hydac Technology Gmbh | Hydraulikanlage |
JP5270685B2 (ja) * | 2007-11-09 | 2013-08-21 | ムーグ インコーポレーテッド | 風力タービンのブレードのピッチを制御するための電気油圧式アクチュエータ |
US20110064706A1 (en) * | 2008-01-11 | 2011-03-17 | U.S. Nutraceuticals, Llc D/B/A Valensa International | Method of preventing, controlling and ameliorating urinary tract infections and supporting digestive health by using a synergistic cranberry derivative, a d-mannose composition and a proprietary probiotic blend |
US7908852B2 (en) * | 2008-02-28 | 2011-03-22 | Caterpillar Inc. | Control system for recovering swing motor kinetic energy |
US7980073B2 (en) * | 2008-05-08 | 2011-07-19 | Caterpillar Inc. | Hybrid system for a powertrain and hydraulic system |
NL1035933C (en) * | 2008-09-15 | 2010-03-16 | Stertil Bv | System, lifting column and method for energy-efficient lifting and lowering a load. |
US20110056194A1 (en) * | 2009-09-10 | 2011-03-10 | Bucyrus International, Inc. | Hydraulic system for heavy equipment |
US20110056192A1 (en) * | 2009-09-10 | 2011-03-10 | Robert Weber | Technique for controlling pumps in a hydraulic system |
US8362629B2 (en) * | 2010-03-23 | 2013-01-29 | Bucyrus International Inc. | Energy management system for heavy equipment |
US8626403B2 (en) | 2010-10-06 | 2014-01-07 | Caterpillar Global Mining Llc | Energy management and storage system |
US8718845B2 (en) | 2010-10-06 | 2014-05-06 | Caterpillar Global Mining Llc | Energy management system for heavy equipment |
US8606451B2 (en) | 2010-10-06 | 2013-12-10 | Caterpillar Global Mining Llc | Energy system for heavy equipment |
WO2012051696A1 (en) | 2010-10-22 | 2012-04-26 | Tld Canada Inc. | Energy management system |
EP2742185B1 (en) | 2011-08-12 | 2018-02-21 | Eaton Corporation | System and method for recovering energy and leveling hydraulic system loads |
KR20140064830A (ko) | 2011-08-12 | 2014-05-28 | 이턴 코포레이션 | 관성에너지를 재생하기 위한 방법 및 장치 |
WO2013143606A1 (de) * | 2012-03-30 | 2013-10-03 | Lukas Hydraulik Gmbh | Verfahren zum betrieb einer hydraulikpumpenanordnung sowie hydraulikpumpenanordnung |
US9190852B2 (en) | 2012-09-21 | 2015-11-17 | Caterpillar Global Mining Llc | Systems and methods for stabilizing power rate of change within generator based applications |
WO2014099926A1 (en) | 2012-12-19 | 2014-06-26 | Eaton Corporation | Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads |
GB2529909B (en) | 2014-09-30 | 2016-11-23 | Artemis Intelligent Power Ltd | Industrial system with synthetically commutated variable displacement fluid working machine |
DE102017106390A1 (de) * | 2017-03-24 | 2018-09-27 | Still Gmbh | Verfahren zum Betrieb einer Hydraulikanlage eines Flurförderzeugs |
CN108975235B (zh) * | 2017-05-31 | 2020-11-06 | 北谷电子有限公司 | 升降装置动力系统及其控制方法 |
WO2021112728A1 (en) * | 2019-12-05 | 2021-06-10 | Saab Ab | A self-contained electro-hydraulic linear actuator and a method for controlling the actuator |
GB2625568A (en) * | 2022-12-20 | 2024-06-26 | Hyva Holding Bv | A hydraulic cylinder assembly |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE437861B (sv) * | 1983-02-03 | 1985-03-18 | Goran Palmers | Anordning vid medelst hydraul-cylinder drivna maskiner med en av en drivkella via en energiackumulatordriven pump |
US4702076A (en) * | 1984-01-13 | 1987-10-27 | Dynamic Hydraulic Systems, Inc. | Hydraulically operated clam-shell device |
JPH0780644B2 (ja) * | 1990-03-16 | 1995-08-30 | 株式会社日立製作所 | 油圧エレベーター |
JP2628397B2 (ja) * | 1990-04-25 | 1997-07-09 | 回生工業株式会社 | インバータ電源を用いた油圧エレベータの速度制御方法 |
JP2877257B2 (ja) * | 1991-02-05 | 1999-03-31 | 三菱重工業株式会社 | 作業機械の制御装置 |
DE4317782C2 (de) * | 1993-05-28 | 1996-01-18 | Jungheinrich Ag | Hydraulische Hubvorrichtung für batteriegetriebene Flurförderzeuge oder dergleichen |
DE4402653C2 (de) * | 1994-01-29 | 1997-01-30 | Jungheinrich Ag | Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge |
US5499694A (en) * | 1994-08-15 | 1996-03-19 | Stewart & Stevenson Power, Inc. | Self propelled passenger lift vehicle |
-
1995
- 1995-11-02 IT IT95VI000172A patent/IT1280604B1/it active IP Right Grant
-
1996
- 1996-10-30 EP EP96117401A patent/EP0777055A3/en not_active Withdrawn
-
1997
- 1997-09-24 US US08/936,682 patent/US6005360A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6005360A (en) | 1999-12-21 |
IT1280604B1 (it) | 1998-01-23 |
EP0777055A2 (en) | 1997-06-04 |
EP0777055A3 (en) | 1998-12-16 |
ITVI950172A1 (it) | 1997-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19981023 |