FR2813926B1 - Dispositif hydraulique a soupapes - Google Patents

Dispositif hydraulique a soupapes

Info

Publication number
FR2813926B1
FR2813926B1 FR0111715A FR0111715A FR2813926B1 FR 2813926 B1 FR2813926 B1 FR 2813926B1 FR 0111715 A FR0111715 A FR 0111715A FR 0111715 A FR0111715 A FR 0111715A FR 2813926 B1 FR2813926 B1 FR 2813926B1
Authority
FR
France
Prior art keywords
valves
hydraulic device
hydraulic
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.)
Expired - Fee Related
Application number
FR0111715A
Other languages
English (en)
Other versions
FR2813926A1 (fr
Inventor
Siegfried Zenker
Thorkild Christensen
Carl Christian Dixen
Carsten Christensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss Power Solutions ApS
Original Assignee
Sauer Danfoss Nordborg ApS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7656141&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2813926(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sauer Danfoss Nordborg ApS filed Critical Sauer Danfoss Nordborg ApS
Publication of FR2813926A1 publication Critical patent/FR2813926A1/fr
Application granted granted Critical
Publication of FR2813926B1 publication Critical patent/FR2813926B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/30515—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
    • 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
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3127—Floating position connecting the working ports and 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3144—Directional 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line 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
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • 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)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Valve Device For Special Equipments (AREA)
FR0111715A 2000-09-14 2001-09-11 Dispositif hydraulique a soupapes Expired - Fee Related FR2813926B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10045404A DE10045404C2 (de) 2000-09-14 2000-09-14 Hydraulische Ventilanordnung

Publications (2)

Publication Number Publication Date
FR2813926A1 FR2813926A1 (fr) 2002-03-15
FR2813926B1 true FR2813926B1 (fr) 2005-08-05

Family

ID=7656141

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0111715A Expired - Fee Related FR2813926B1 (fr) 2000-09-14 2001-09-11 Dispositif hydraulique a soupapes

Country Status (7)

Country Link
US (1) US6499505B2 (fr)
DE (1) DE10045404C2 (fr)
DK (1) DK174610B1 (fr)
FR (1) FR2813926B1 (fr)
GB (1) GB2366840B (fr)
IT (1) ITTO20010872A1 (fr)
SE (1) SE522698C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030052031A (ko) * 2001-12-20 2003-06-26 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 유압밸브의 제어장치
DE10321914A1 (de) 2003-05-15 2004-12-02 Bosch Rexroth Ag Hydraulische Steueranordnung
US6871574B2 (en) * 2003-05-28 2005-03-29 Husco International, Inc. Hydraulic control valve assembly having dual directional spool valves with pilot operated check valves
DE102005011395A1 (de) 2005-03-11 2006-09-14 Bosch Rexroth Ag Hydraulische Steueranordnung
DE102007032415B3 (de) * 2007-07-12 2009-04-02 Sauer-Danfoss Aps Hydraulische Ventilanordnung
DE102008031745A1 (de) 2008-07-04 2010-01-07 Hydac Filtertechnik Gmbh Hydraulische Ventilvorrichtung
US9163724B1 (en) 2011-10-24 2015-10-20 Hydro-Gear Limited Partnership Transaxle having dual brake system
US9371842B1 (en) 2011-11-17 2016-06-21 Hydro-Gear Limited Partnership Hydraulic motor having a dual brake system
US9611871B2 (en) * 2013-09-13 2017-04-04 Norbert J. Kot Pneumatic valve assembly and method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728941A (en) * 1970-11-23 1973-04-24 Caterpillar Tractor Co Flow control valve
US4062374A (en) * 1974-05-08 1977-12-13 Sperry Rand Limited Hydraulic valves and hydraulic systems
US4145958A (en) * 1977-12-02 1979-03-27 Borg-Warner Corporation Fluid control system with automatically actuated motor port lock-out valves
DE3219907A1 (de) * 1982-05-27 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung fuer einen servomotor
DE3320047A1 (de) * 1983-06-03 1984-12-06 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische ventilanordnung
DE3425304A1 (de) * 1984-07-10 1986-01-23 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung
DE3431103A1 (de) * 1984-08-24 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung
JPH04181004A (ja) * 1990-11-14 1992-06-29 Yutani Heavy Ind Ltd 油圧シリンダの油密保持装置
DE4040603A1 (de) * 1990-12-19 1992-06-25 Bosch Gmbh Robert Hydraulisches wegeventil zur steuerung eines hydromotors
US5331882A (en) * 1993-04-05 1994-07-26 Deere & Company Control valve system with float valve
US5645263A (en) * 1993-10-04 1997-07-08 Caterpillar Inc. Pilot valve for a flow amplyifying poppet valve
US5577434A (en) * 1995-09-14 1996-11-26 Danfoss Inc. Hydraulic valve assembly
DE19639140B4 (de) * 1996-09-24 2008-09-11 Robert Bosch Gmbh Steuereinrichtung mit Sperrblock für eine doppeltwirkende Kolben-Zylinder-Einheit
DE19919015C2 (de) * 1999-04-27 2001-11-15 Sauer Danfoss Nordborg As Nord Hydraulische Ventilanordnung mit Verriegelungs- und Schwimmfunktion
DE19931142C2 (de) * 1999-07-06 2002-07-18 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung mit Verriegelungsfunktion

Also Published As

Publication number Publication date
SE0102846D0 (sv) 2001-08-27
FR2813926A1 (fr) 2002-03-15
DK200101329A (da) 2002-03-15
ITTO20010872A1 (it) 2003-03-13
DE10045404A1 (de) 2002-04-18
US6499505B2 (en) 2002-12-31
SE0102846L (sv) 2002-03-15
ITTO20010872A0 (it) 2001-09-13
DE10045404C2 (de) 2002-10-24
SE522698C2 (sv) 2004-03-02
GB2366840A (en) 2002-03-20
DK174610B1 (da) 2003-07-21
GB2366840B (en) 2004-09-15
US20020029810A1 (en) 2002-03-14
GB0121179D0 (en) 2001-10-24

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Legal Events

Date Code Title Description
CD Change of name or company name
CD Change of name or company name
ST Notification of lapse

Effective date: 20090529