DE602007009509D1 - Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung - Google Patents
Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerungInfo
- Publication number
- DE602007009509D1 DE602007009509D1 DE602007009509T DE602007009509T DE602007009509D1 DE 602007009509 D1 DE602007009509 D1 DE 602007009509D1 DE 602007009509 T DE602007009509 T DE 602007009509T DE 602007009509 T DE602007009509 T DE 602007009509T DE 602007009509 D1 DE602007009509 D1 DE 602007009509D1
- Authority
- DE
- Germany
- Prior art keywords
- control system
- prediction
- pressure compensator
- different areas
- controlled pressure
- 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.)
- Active
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
- F15B11/16—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
-
- 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
-
- 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
- F15B2211/20538—Type of pump constant 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/25—Pressure control functions
- F15B2211/253—Pressure margin control, e.g. pump pressure in relation to 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
- F15B2211/50—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
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
- F15B2211/52—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
- F15B2211/57—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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Transmission Device (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000036A ITPR20060036A1 (it) | 2006-04-12 | 2006-04-12 | Compensatore di pressione ad aree differenziali pilotato e suo sistema di pilotaggio. |
PCT/EP2007/053423 WO2007116035A1 (en) | 2006-04-12 | 2007-04-06 | Pilot-operated differential-area pressure compensator and control system for piloting same |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007009509D1 true DE602007009509D1 (de) | 2010-11-11 |
Family
ID=38229093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602007009509T Active DE602007009509D1 (de) | 2006-04-12 | 2007-04-06 | Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2005006B1 (de) |
AT (1) | ATE483111T1 (de) |
DE (1) | DE602007009509D1 (de) |
IT (1) | ITPR20060036A1 (de) |
WO (1) | WO2007116035A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009001377A1 (en) * | 2007-06-26 | 2008-12-31 | Walvoil S.P.A. | Load sensing directional control valve with an element having priority under saturation conditions |
IT1391608B1 (it) * | 2008-11-06 | 2012-01-11 | Walvoil Spa | Metodo per limitare la potenza massima richiesta dall impianto idraulico di una macchina per movimento terra e distributore operante detto metodo |
CN104047931B (zh) * | 2014-06-23 | 2017-01-04 | 柳州柳工液压件有限公司 | 三通压力补偿器总成 |
EP4170188A1 (de) | 2021-10-21 | 2023-04-26 | Bucher Hydraulics S.p.A. | Einlassabschnitt zur verwendung in einem hydraulischen verteiler |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937129A (en) * | 1974-10-23 | 1976-02-10 | The Scott & Fetzer Company | Load responsive system with area change flow extender |
DE3905654C2 (de) * | 1989-02-24 | 1998-10-29 | Bosch Gmbh Robert | Hydraulische Steuervorrichtung |
JP2004019873A (ja) * | 2002-06-19 | 2004-01-22 | Toyota Industries Corp | 油圧制御装置および該油圧制御装置を備えた産業車両 |
DE102004014113A1 (de) | 2004-03-23 | 2005-10-20 | Sauer Danfoss Aps Nordborg | Hydraulische Ventilanordnung |
US7182097B2 (en) | 2004-08-17 | 2007-02-27 | Walvoil S.P.A. | Anti-saturation directional control valve composed of two or more sections with pressure selector compensators |
-
2006
- 2006-04-12 IT IT000036A patent/ITPR20060036A1/it unknown
-
2007
- 2007-04-06 WO PCT/EP2007/053423 patent/WO2007116035A1/en active Application Filing
- 2007-04-06 EP EP07727891A patent/EP2005006B1/de active Active
- 2007-04-06 AT AT07727891T patent/ATE483111T1/de not_active IP Right Cessation
- 2007-04-06 DE DE602007009509T patent/DE602007009509D1/de active Active
Also Published As
Publication number | Publication date |
---|---|
ATE483111T1 (de) | 2010-10-15 |
EP2005006B1 (de) | 2010-09-29 |
ITPR20060036A1 (it) | 2007-10-13 |
EP2005006A1 (de) | 2008-12-24 |
WO2007116035A1 (en) | 2007-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007133691A3 (en) | Vehicle hydraulic system | |
WO2010025354A3 (en) | Machine control system having hydraulic warmup procedure | |
ATE463369T1 (de) | Federungssystem | |
WO2010011727A3 (en) | Valvetrain oil control system and oil control valve | |
WO2010075216A3 (en) | Hydraulic control system having flow force compensation | |
EP2071195A3 (de) | Hydraulische Schaltung mit durch externen Steuerdruck angesteuerten Lasthalteventilen | |
DK1967739T3 (da) | Indretning til hydraulisk indstilling af en aksialventilators løbehjuls løbeskovle | |
WO2012166224A3 (en) | Hydraulic control system having cylinder stall strategy | |
DK2044333T3 (da) | Trykforstærker med dobbeltsædeventil | |
WO2013166122A3 (en) | Pressure compensation control of a fixed displacement pump in a pumping and metering system and associated method | |
EP1676963A3 (de) | Steuerung für Hydraulikpumpen von Baggern | |
US9874884B2 (en) | Valve block having a valve assembly | |
WO2012166225A3 (en) | Hydraulic control system having cylinder stall strategy | |
DE602005002097D1 (de) | Mehrwegeventilanordnung mit eingebautem Wechselventil zur Lastdruckmeldung versehenen Druckwaagen, mit Unterversorgungsvermeidungsfunktion | |
DE602007013955D1 (de) | Vorrichtung zum filtern von druckbeaufschlagtem öl | |
ATE523697T1 (de) | Hydraulische steueranordnung | |
ATE504873T1 (de) | Regeleinrichtung zum positionsregeln einer hydraulikzylindereinheit, mit linearisierungseinheit | |
WO2013036355A3 (en) | Meterless hydraulic system having displacement control valve | |
ATE528513T1 (de) | Ventilanordnung mit individualdruckwaage und senkbremsventil | |
DE602007009509D1 (de) | Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung | |
ATE450714T1 (de) | Wegeventil mit druckwaage | |
WO2011153985A3 (de) | Steuereinrichtung einer ausbaueinheit im streb eines bergwerks | |
ATE344394T1 (de) | Hydraulische steueranordnung | |
ATE518064T1 (de) | Hydraulische steuervorrichtung | |
DE602006014740D1 (de) | Hydraulisch betätigtes ventilsteuersystem und verbrennungsmotor mit solch einem system |