DK0468944T3 - Arrangement til styring af hydrauliske motorer - Google Patents

Arrangement til styring af hydrauliske motorer

Info

Publication number
DK0468944T3
DK0468944T3 DK91850176.8T DK91850176T DK0468944T3 DK 0468944 T3 DK0468944 T3 DK 0468944T3 DK 91850176 T DK91850176 T DK 91850176T DK 0468944 T3 DK0468944 T3 DK 0468944T3
Authority
DK
Denmark
Prior art keywords
hydraulic
pump
arrangement
pressure
hydraulic motor
Prior art date
Application number
DK91850176.8T
Other languages
Danish (da)
English (en)
Inventor
Bo Andersson
Original Assignee
Bo Andersson
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 Bo Andersson filed Critical Bo Andersson
Application granted granted Critical
Publication of DK0468944T3 publication Critical patent/DK0468944T3/da

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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet 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
    • F15B2211/20—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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. 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
    • F15B2211/3056—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
    • F15B2211/3057—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 having two valves, one for each port of a double-acting 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
    • F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional 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
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow 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
    • F15B2211/40—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
    • F15B2211/41—Flow control characterised by the positions of the valve element
    • F15B2211/413—Flow control characterised by the positions of the valve element the positions being continuously variable, e.g. as realised by proportional 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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a 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
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Hydraulic Motors (AREA)
DK91850176.8T 1990-07-24 1991-06-25 Arrangement til styring af hydrauliske motorer DK0468944T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9002494A SE466712B (sv) 1990-07-24 1990-07-24 Anordning vid hydraulmotor foer styrning av densamma

Publications (1)

Publication Number Publication Date
DK0468944T3 true DK0468944T3 (da) 1995-05-15

Family

ID=20380042

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91850176.8T DK0468944T3 (da) 1990-07-24 1991-06-25 Arrangement til styring af hydrauliske motorer

Country Status (8)

Country Link
US (1) US5287794A (fr)
EP (1) EP0468944B1 (fr)
JP (1) JP2923379B2 (fr)
AT (1) ATE115686T1 (fr)
DE (1) DE69105851T2 (fr)
DK (1) DK0468944T3 (fr)
ES (1) ES2075412T3 (fr)
SE (1) SE466712B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207059A (en) * 1992-01-15 1993-05-04 Caterpillar Inc. Hydraulic control system having poppet and spool type valves
US5220862A (en) * 1992-05-15 1993-06-22 Caterpillar Inc. Fluid regeneration circuit
US5415076A (en) * 1994-04-18 1995-05-16 Caterpillar Inc. Hydraulic system having a combined meter-out and regeneration valve assembly
JPH08174299A (ja) * 1994-12-20 1996-07-09 Hirohisa Tanaka 油圧プレス装置のラム駆動用油圧シリンダの駆動制御方法
US5520262A (en) * 1995-04-28 1996-05-28 Caterpillar Inc. Electrohydraulic steering system
US5622095A (en) * 1995-06-28 1997-04-22 Foster; Raymond K. Hydraulic drive and control system
DE19607479A1 (de) * 1996-02-28 1997-09-04 Iveco Magirus Hydrauliksystem
DE29713294U1 (de) 1997-07-25 1997-09-25 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Hydraulische Steuervorrichtung für ein Kipperfahrzeug
DE19931142C2 (de) * 1999-07-06 2002-07-18 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung mit Verriegelungsfunktion
US6691604B1 (en) * 1999-09-28 2004-02-17 Caterpillar Inc Hydraulic system with an actuator having independent meter-in meter-out control
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7204084B2 (en) * 2004-10-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7441404B2 (en) 2004-11-30 2008-10-28 Caterpillar Inc. Configurable hydraulic control system
DE102005010637B4 (de) * 2005-03-08 2007-02-01 Bosch Rexroth Aktiengesellschaft Verfahren zum Schutz vor Einklemmen und Einklemmschutzvorrichtung
US7204185B2 (en) * 2005-04-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7243493B2 (en) * 2005-04-29 2007-07-17 Caterpillar Inc Valve gradually communicating a pressure signal
US7302797B2 (en) * 2005-05-31 2007-12-04 Caterpillar Inc. Hydraulic system having a post-pressure compensator
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7210396B2 (en) * 2005-08-31 2007-05-01 Caterpillar Inc Valve having a hysteretic filtered actuation command
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US20100043418A1 (en) * 2005-09-30 2010-02-25 Caterpillar Inc. Hydraulic system and method for control
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
DE602006006676D1 (de) * 2006-09-01 2009-06-18 Parker Hannifin Ab Ventilanordnung
JP4318266B2 (ja) * 2007-03-30 2009-08-19 エムエーエヌ・ディーゼル・フィリアル・アフ・エムエーエヌ・ディーゼル・エスイー・ティスクランド 大型２サイクルディーゼルエンジン用のカム駆動燃料噴射システム
US7621211B2 (en) * 2007-05-31 2009-11-24 Caterpillar Inc. Force feedback poppet valve having an integrated pressure compensator
US8479504B2 (en) 2007-05-31 2013-07-09 Caterpillar Inc. Hydraulic system having an external pressure compensator
US20080295681A1 (en) * 2007-05-31 2008-12-04 Caterpillar Inc. Hydraulic system having an external pressure compensator
WO2009005425A1 (fr) * 2007-07-02 2009-01-08 Parker Hannifin Ab Ensemble vanne fluidique
US7827787B2 (en) 2007-12-27 2010-11-09 Deere & Company Hydraulic system
GB0912540D0 (en) 2009-07-20 2009-08-26 Bamford Excavators Ltd Hydraulic system
US8631650B2 (en) 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
US9127437B2 (en) 2010-12-15 2015-09-08 Caterpillar Inc. Flow regeneration hydraulic circuit
CH705150A1 (de) * 2011-06-30 2012-12-31 Liebherr Machines Bulle Sa Ventilanordnung für ein hydraulisches Steuerungssystem.
JP5785846B2 (ja) * 2011-10-17 2015-09-30 株式会社神戸製鋼所 油圧制御装置及びこれを備えた作業機械
US20180112686A1 (en) * 2016-10-26 2018-04-26 Hydraforce, Inc. Hydraulic actuator system of vehicle having secondary load-holding valve with tank connection

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE26028E (en) * 1963-05-16 1966-05-17 Pilot operated control valve mechanism
US3470792A (en) * 1967-08-02 1969-10-07 Cessna Aircraft Co Maximum pressure control apparatus for hydraulic actuators
US3433131A (en) * 1967-08-22 1969-03-18 Ingebret Soyland Control systems for hydraulic power units
JPS5032378A (fr) * 1973-07-24 1975-03-29
US4250794A (en) * 1978-03-31 1981-02-17 Caterpillar Tractor Co. High pressure hydraulic system
JPS5614603A (en) * 1979-07-17 1981-02-12 Kobe Steel Ltd Control circuit for actuator
US4362018A (en) * 1980-06-12 1982-12-07 Kobe Steel, Ltd. Hydraulic rotation control circuit
JPH0246801B2 (ja) * 1981-06-29 1990-10-17 Uchida Yuatsu Kiki Kogyo Kk Shokoshirindanoseigyokairosochi
JPS5821005A (ja) * 1981-07-27 1983-02-07 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
US4611528A (en) * 1981-11-12 1986-09-16 Vickers, Incorporated Power transmission
US4437385A (en) * 1982-04-01 1984-03-20 Deere & Company Electrohydraulic valve system
EP0231876B1 (fr) * 1986-01-30 1991-05-22 Kabushiki Kaisha Komatsu Seisakusho Système de commande de pression hydraulique
US4811650A (en) * 1987-08-28 1989-03-14 Vickers, Incorporated Power transmission

Also Published As

Publication number Publication date
SE466712B (sv) 1992-03-23
EP0468944B1 (fr) 1994-12-14
US5287794A (en) 1994-02-22
JPH04262072A (ja) 1992-09-17
ATE115686T1 (de) 1994-12-15
JP2923379B2 (ja) 1999-07-26
SE9002494D0 (sv) 1990-07-24
DE69105851D1 (de) 1995-01-26
EP0468944A1 (fr) 1992-01-29
ES2075412T3 (es) 1995-10-01
DE69105851T2 (de) 1995-05-11
SE9002494L (sv) 1992-01-25

Similar Documents

Publication Publication Date Title
DK0468944T3 (da) Arrangement til styring af hydrauliske motorer
DE60231866D1 (de) Hydrauliksystem und entsprechende Regelungsanordnung
WO1990008263A1 (fr) Unite de commande hydraulique pour engin de construction
JPS57197336A (en) Oil-pressure circuit for turning excavator
DE69406252D1 (de) Hydraulischer Kreislauf
KR960023845A (ko) 지게차의 앤티스톨밸브를 이용한 유압회로
CA2054595A1 (fr) Agencement de circuit de commande d'un systeme de conduite entierement hydraulique
DK0620371T3 (da) Hydraulisk system til forsyning af åbne eller lukkede funktioner
SE9400366D0 (sv) Ventil för att styra ett gas- eller vätskeflöde
KR970022195A (ko) 냉각탑에서의 냉각팬용 유압 구동 제어 시스템
EP0718496A3 (fr) Système électrohydraulique à assistance variable
CA2217302A1 (fr) Pompe hydraulique a circuit de recuperation de fluide
ES486637A1 (es) Perfeccionamientos introducidos en una bomba o motor
KR950007891Y1 (ko) 건설중장비의 전자제어 비상유압회로
EP0092315A3 (fr) Commande hydraulique de pompes
US4510751A (en) Outlet metering load-sensing circuit
JPS6421201A (en) Device for restricting vibration of boom in hydraulic working machine
US5890877A (en) Cavitation control for swash-plate hydraulic pumps
JPS54108002A (en) Input power controlling system for hydraulic pump
SE0202203D0 (sv) Hydraulsystem
DE3471722D1 (en) Pump, especially power steering pump
JPS55116932A (en) Controling method of hydraulic shovel
SU1301944A1 (ru) Гидропривод землеройной машины с погрузочным оборудованием
DK0582859T3 (da) Hydraulisk styreindretning
JPS52150805A (en) Automatic pumping system