SE522698C2 - Hydraulisk ventilanordning - Google Patents

Hydraulisk ventilanordning

Info

Publication number
SE522698C2
SE522698C2 SE0102846A SE0102846A SE522698C2 SE 522698 C2 SE522698 C2 SE 522698C2 SE 0102846 A SE0102846 A SE 0102846A SE 0102846 A SE0102846 A SE 0102846A SE 522698 C2 SE522698 C2 SE 522698C2
Authority
SE
Sweden
Prior art keywords
valve
pressure
shut
connection
motor
Prior art date
Application number
SE0102846A
Other languages
English (en)
Swedish (sv)
Other versions
SE0102846L (sv
SE0102846D0 (sv
Inventor
Carl Christer Dixen
Carsten Christensen
Siegfried Zenker
Thorkild Christensen
Original Assignee
Sauer Danfoss Holding As
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=SE522698(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sauer Danfoss Holding As filed Critical Sauer Danfoss Holding As
Publication of SE0102846D0 publication Critical patent/SE0102846D0/xx
Publication of SE0102846L publication Critical patent/SE0102846L/
Publication of SE522698C2 publication Critical patent/SE522698C2/sv

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)
  • Fluid-Driven Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Safety Valves (AREA)
SE0102846A 2000-09-14 2001-08-27 Hydraulisk ventilanordning SE522698C2 (sv)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE0102846D0 SE0102846D0 (sv) 2001-08-27
SE0102846L SE0102846L (sv) 2002-03-15
SE522698C2 true SE522698C2 (sv) 2004-03-02

Family

ID=7656141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102846A SE522698C2 (sv) 2000-09-14 2001-08-27 Hydraulisk ventilanordning

Country Status (7)

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

Families Citing this family (10)

* 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
US12085099B1 (en) * 2020-06-18 2024-09-10 Vacuworx Global, LLC Flow control block for use with a vacuum material handler

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
GB2366840B (en) 2004-09-15
GB0121179D0 (en) 2001-10-24
DK200101329A (da) 2002-03-15
US6499505B2 (en) 2002-12-31
DE10045404C2 (de) 2002-10-24
ITTO20010872A0 (it) 2001-09-13
SE0102846L (sv) 2002-03-15
US20020029810A1 (en) 2002-03-14
DE10045404A1 (de) 2002-04-18
SE0102846D0 (sv) 2001-08-27
ITTO20010872A1 (it) 2003-03-13
GB2366840A (en) 2002-03-20
FR2813926B1 (fr) 2005-08-05
DK174610B1 (da) 2003-07-21
FR2813926A1 (fr) 2002-03-15

Similar Documents

Publication Publication Date Title
US3886848A (en) Pressure operated directional control valve
US3411536A (en) Pilot operated control valve mechanism
SE522698C2 (sv) Hydraulisk ventilanordning
US4972761A (en) Hydraulic safety brake valve arrangement for load lowering
GB1224399A (en) Pressure governing apparatus for hydraulic actuators
US3618628A (en) Throttling arrangement for controlling the flow from two outlets
US2716995A (en) Valve for reversible fluid pump
SE439811B (sv) Nodforsorjningssystem for tryckmedelsforsorjning till en forbrukare
SE520487C2 (sv) Hydraulisk ventilarrangemang med låsfunktion
US3163115A (en) Horsepower limiting devices
US3134402A (en) Hydraulic control valve having void control means
US5361584A (en) Hydrostatic drive system
SE456002B (sv) Bromstryckgenerator for ett hydraulbromssystem for motorfordon, spec med en ventil anordnad i en forbindelse mellan en arbetskammare och en ringformig kammare hos huvudcylindern
US2601870A (en) Valve mechanism
US4669363A (en) Hydraulic priority control means for at least two servo motors
US2239139A (en) Uniflow valve
US3362335A (en) Control system for fluid pressure source
US726841A (en) Pump-regulator.
SE443431B (sv) Volymstromstyrande ventilanordning
US3251304A (en) Variable volume pump control
NO131097B (it)
US2227532A (en) Automatic control means
US2633861A (en) Valve for power transmissions
NO126186B (it)
US1000022A (en) Valve mechanism.

Legal Events

Date Code Title Description
NUG Patent has lapsed