ATE483111T1 - Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung - Google Patents

Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung

Info

Publication number
ATE483111T1
ATE483111T1 AT07727891T AT07727891T ATE483111T1 AT E483111 T1 ATE483111 T1 AT E483111T1 AT 07727891 T AT07727891 T AT 07727891T AT 07727891 T AT07727891 T AT 07727891T AT E483111 T1 ATE483111 T1 AT E483111T1
Authority
AT
Austria
Prior art keywords
control
control system
pressure compensator
controlled pressure
different ranges
Prior art date
Application number
AT07727891T
Other languages
English (en)
Inventor
Gianluca Ganassi
Original Assignee
Walvoil Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Walvoil Spa filed Critical Walvoil Spa
Application granted granted Critical
Publication of ATE483111T1 publication Critical patent/ATE483111T1/de

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 Fluid Gearings (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Transmission Device (AREA)
AT07727891T 2006-04-12 2007-04-06 Vorgesteuerter druckkompensator mit verschiedenen bereichen und steuersystem zu seiner vorsteuerung ATE483111T1 (de)

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
ATE483111T1 true ATE483111T1 (de) 2010-10-15

Family

ID=38229093

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07727891T ATE483111T1 (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 (5)

* Cited by examiner, † Cited by third party
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
EP4279750B1 (de) 2021-10-21 2025-01-15 Bucher Hydraulics S.p.A. Einlassabschnitt zur verwendung in einem hydraulischen verteiler
US12674474B1 (en) 2025-07-09 2026-07-07 Custom Truck One Source, Inc. System and method for a pilot shifted regeneration valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE602007009509D1 (de) 2010-11-11
EP2005006A1 (de) 2008-12-24
EP2005006B1 (de) 2010-09-29
ITPR20060036A1 (it) 2007-10-13
WO2007116035A1 (en) 2007-10-18

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties