EP1701042A3 - Commande hydraulique - Google Patents
Commande hydraulique Download PDFInfo
- Publication number
- EP1701042A3 EP1701042A3 EP20060101027 EP06101027A EP1701042A3 EP 1701042 A3 EP1701042 A3 EP 1701042A3 EP 20060101027 EP20060101027 EP 20060101027 EP 06101027 A EP06101027 A EP 06101027A EP 1701042 A3 EP1701042 A3 EP 1701042A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- control device
- hydraulic control
- metering orifice
- pressures
- pressurized
- 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.)
- Granted
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/006—Hydraulic "Wheatstone bridge" circuits, i.e. with four nodes, P-A-T-B, and on-off or proportional valves in each link
-
- 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
- F15B11/003—Systems with load-holding 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
- 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
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
-
- 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/3051—Cross-check 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
- F15B2211/3053—In combination with a pressure compensating valve
- F15B2211/30545—In combination with a pressure compensating valve the pressure compensating valve is arranged between output member and 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
-
- 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
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in control
-
- 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
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/353—Flow control by regulating means in return line, i.e. meter-out control
-
- 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
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
- F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow 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
- F15B2211/50—Pressure control
- F15B2211/52—Pressure control characterised by the type of actuation
- F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid 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
- F15B2211/50—Pressure control
- F15B2211/555—Pressure control for assuring a minimum pressure, e.g. by using a back pressure 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
- F15B2211/50—Pressure control
- F15B2211/57—Control of a differential 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
- F15B2211/50—Pressure control
- F15B2211/575—Pilot pressure control
- F15B2211/5753—Pilot pressure control for closing a 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87233—Biased exhaust valve
- Y10T137/87241—Biased closed
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510011395 DE102005011395A1 (de) | 2005-03-11 | 2005-03-11 | Hydraulische Steueranordnung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1701042A2 EP1701042A2 (fr) | 2006-09-13 |
EP1701042A3 true EP1701042A3 (fr) | 2007-03-14 |
EP1701042B1 EP1701042B1 (fr) | 2008-10-15 |
Family
ID=36593790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060101027 Not-in-force EP1701042B1 (fr) | 2005-03-11 | 2006-01-30 | Commande hydraulique |
Country Status (5)
Country | Link |
---|---|
US (1) | US7219591B2 (fr) |
EP (1) | EP1701042B1 (fr) |
AT (1) | ATE411476T1 (fr) |
DE (2) | DE102005011395A1 (fr) |
DK (1) | DK1701042T3 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007014550A1 (de) * | 2007-03-27 | 2008-10-09 | Hydac Filtertechnik Gmbh | Ventilanordnung |
DE102007032415B3 (de) * | 2007-07-12 | 2009-04-02 | Sauer-Danfoss Aps | Hydraulische Ventilanordnung |
IT1396661B1 (it) * | 2009-11-19 | 2012-12-14 | Teco Srl | Circuito fluidodinamico. |
US8662277B2 (en) | 2011-12-22 | 2014-03-04 | Fairfield Manufacturing Company, Inc. | Planetary gearbox with integral service brake |
US9429227B2 (en) | 2014-02-19 | 2016-08-30 | Fairfield Manufacturing Company, Inc. | Planetary gearbox with integral service brake |
DE102014005410A1 (de) * | 2014-03-01 | 2015-09-03 | Hydac Filtertechnik Gmbh | Ventilvorrichtung |
CN104912764B (zh) * | 2015-05-20 | 2017-03-15 | 北京航空航天大学 | 直驱型电控比例无级调压变量柱塞泵 |
CN105736491B (zh) * | 2015-05-20 | 2017-09-22 | 北京航空航天大学 | 基于自减压恒压阀的恒压变量柱塞泵 |
US11015624B2 (en) | 2016-05-19 | 2021-05-25 | Steven H. Marquardt | Methods and devices for conserving energy in fluid power production |
US10550863B1 (en) | 2016-05-19 | 2020-02-04 | Steven H. Marquardt | Direct link circuit |
US10914322B1 (en) | 2016-05-19 | 2021-02-09 | Steven H. Marquardt | Energy saving accumulator circuit |
US10260293B2 (en) * | 2017-01-18 | 2019-04-16 | General Electric Company | Sensorless manifold assembly with pressure-based reversing fluid circuit |
US20180209413A1 (en) * | 2017-01-25 | 2018-07-26 | General Electric Company | Hydraulic actuator with pressure-based piston position feedback |
SE544628C2 (en) * | 2018-07-23 | 2022-09-27 | Joab Foersaeljnings Ab | Hydraulic system and method for controlling the speed and pressure of a hydraulic cylinder |
US11885200B2 (en) | 2021-01-26 | 2024-01-30 | Halliburton Energy Services, Inc. | Low power consumption electro-hydraulic system with multiple solenoids |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3436246A1 (de) * | 1984-10-03 | 1986-04-03 | Danfoss A/S, Nordborg | Steuereinrichtung fuer einen hydraulisch betriebenen verbraucher |
EP1452744A1 (fr) * | 2003-02-26 | 2004-09-01 | Bosch Rexroth AG | Dispositif de contrôle hydraulique |
DE10321914A1 (de) * | 2003-05-15 | 2004-12-02 | Bosch Rexroth Ag | Hydraulische Steueranordnung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639174C2 (de) | 1986-11-15 | 1998-02-05 | Bosch Gmbh Robert | Hydraulische Steuereinrichtung |
DE29802498U1 (de) * | 1998-02-13 | 1998-04-16 | Heilmeier & Weinlein | Staplersteuerung |
DE19931142C2 (de) | 1999-07-06 | 2002-07-18 | Sauer Danfoss Holding As Nordb | Hydraulische Ventilanordnung mit Verriegelungsfunktion |
DE10045404C2 (de) * | 2000-09-14 | 2002-10-24 | Sauer Danfoss Holding As Nordb | Hydraulische Ventilanordnung |
DE10216958B8 (de) | 2002-04-17 | 2004-07-08 | Sauer-Danfoss (Nordborg) A/S | Hydraulische Steuerung |
US7204084B2 (en) * | 2004-10-29 | 2007-04-17 | Caterpillar Inc | Hydraulic system having a pressure compensator |
-
2005
- 2005-03-11 DE DE200510011395 patent/DE102005011395A1/de not_active Withdrawn
-
2006
- 2006-01-30 DK DK06101027T patent/DK1701042T3/da active
- 2006-01-30 DE DE200650001799 patent/DE502006001799D1/de active Active
- 2006-01-30 AT AT06101027T patent/ATE411476T1/de not_active IP Right Cessation
- 2006-01-30 EP EP20060101027 patent/EP1701042B1/fr not_active Not-in-force
- 2006-02-10 US US11/350,886 patent/US7219591B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3436246A1 (de) * | 1984-10-03 | 1986-04-03 | Danfoss A/S, Nordborg | Steuereinrichtung fuer einen hydraulisch betriebenen verbraucher |
EP1452744A1 (fr) * | 2003-02-26 | 2004-09-01 | Bosch Rexroth AG | Dispositif de contrôle hydraulique |
DE10321914A1 (de) * | 2003-05-15 | 2004-12-02 | Bosch Rexroth Ag | Hydraulische Steueranordnung |
Also Published As
Publication number | Publication date |
---|---|
EP1701042B1 (fr) | 2008-10-15 |
US7219591B2 (en) | 2007-05-22 |
US20060201321A1 (en) | 2006-09-14 |
DK1701042T3 (da) | 2009-02-16 |
DE102005011395A1 (de) | 2006-09-14 |
DE502006001799D1 (de) | 2008-11-27 |
ATE411476T1 (de) | 2008-10-15 |
EP1701042A2 (fr) | 2006-09-13 |
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