ITTO20000619A0 - Dispositivo valvolare idraulico con funzione di arresto. - Google Patents

Dispositivo valvolare idraulico con funzione di arresto.

Info

Publication number
ITTO20000619A0
ITTO20000619A0 IT2000TO000619A ITTO20000619A ITTO20000619A0 IT TO20000619 A0 ITTO20000619 A0 IT TO20000619A0 IT 2000TO000619 A IT2000TO000619 A IT 2000TO000619A IT TO20000619 A ITTO20000619 A IT TO20000619A IT TO20000619 A0 ITTO20000619 A0 IT TO20000619A0
Authority
IT
Italy
Prior art keywords
valve device
hydraulic valve
stop function
stop
function
Prior art date
Application number
IT2000TO000619A
Other languages
English (en)
Inventor
Thorkild Christensen
Siegfried Zenker
Carsten Christensen
Original Assignee
Sauer Danfoss Nordborg 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
Application filed by Sauer Danfoss Nordborg As filed Critical Sauer Danfoss Nordborg As
Publication of ITTO20000619A0 publication Critical patent/ITTO20000619A0/it
Publication of ITTO20000619A1 publication Critical patent/ITTO20000619A1/it
Application granted granted Critical
Publication of IT1320449B1 publication Critical patent/IT1320449B1/it

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
    • F15B11/003—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
    • 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
    • F15B2013/0413—Valve members; Fluid interconnections therefor with four or more positions
    • 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
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/30525—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
    • F15B2211/30—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
    • F15B2211/60—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
    • 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
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/72—Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
    • 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
IT2000TO000619A 1999-07-06 2000-06-23 Dispositivo valvolare idraulico con funzione di arresto. IT1320449B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19931142A DE19931142C2 (de) 1999-07-06 1999-07-06 Hydraulische Ventilanordnung mit Verriegelungsfunktion

Publications (3)

Publication Number Publication Date
ITTO20000619A0 true ITTO20000619A0 (it) 2000-06-23
ITTO20000619A1 ITTO20000619A1 (it) 2001-12-23
IT1320449B1 IT1320449B1 (it) 2003-11-26

Family

ID=7913805

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO000619A IT1320449B1 (it) 1999-07-06 2000-06-23 Dispositivo valvolare idraulico con funzione di arresto.

Country Status (6)

Country Link
US (1) US6427721B1 (it)
DE (1) DE19931142C2 (it)
FR (1) FR2796106B1 (it)
GB (1) GB2351778B (it)
IT (1) IT1320449B1 (it)
SE (1) SE520487C2 (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10045404C2 (de) * 2000-09-14 2002-10-24 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung
DE10224827A1 (de) 2002-06-05 2004-01-08 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
DE10321914A1 (de) * 2003-05-15 2004-12-02 Bosch Rexroth Ag Hydraulische Steueranordnung
DE10394269T5 (de) * 2003-07-14 2007-03-22 Kuroda Precision Industries Ltd., Kawasaki Schaltventilanordnung
DE10349714B4 (de) * 2003-10-23 2005-09-08 Sauer-Danfoss Aps Steuervorrichtung für eine hydraulische Hebevorrichtung
DE102004012382B4 (de) * 2004-03-13 2014-03-13 Deere & Company Hydraulische Anordnung
DE102005011395A1 (de) 2005-03-11 2006-09-14 Bosch Rexroth Ag Hydraulische Steueranordnung
DE502005000989D1 (de) * 2005-08-11 2007-08-16 Hawe Hydraulik Gmbh & Co Kg Elektrohydraulische Vorrichtung
DE102007032415B3 (de) 2007-07-12 2009-04-02 Sauer-Danfoss Aps Hydraulische Ventilanordnung
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
EP2847469B1 (en) * 2012-05-10 2018-03-28 Eaton Corporation Load energy assist and horsepower management system
CN102654149B (zh) * 2012-05-18 2015-06-03 常德中联重科液压有限公司 液压控制阀
EP2696080B1 (de) * 2012-08-09 2016-12-14 HAWE Hydraulik SE Elektrohydrauliksteuerung
DE112017008022T5 (de) * 2017-09-12 2020-07-02 Shimadzu Corporation Steuerventil
CN110701125B (zh) * 2019-09-26 2021-01-22 郑州磨料磨具磨削研究所有限公司 一种用于超高压的往复式泄压系统
CN112922916B (zh) * 2021-03-15 2023-08-08 徐州徐工随车起重机有限公司 变阻尼液控单向阀
CN114412862A (zh) * 2021-12-20 2022-04-29 郑州磨料磨具磨削研究所有限公司 一种超高压三位三通阀

Family Cites Families (9)

* 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
US3906840A (en) * 1972-04-17 1975-09-23 Caterpillar Tractor Co Hydraulic control system for load supporting hydraulic motors
US4145958A (en) * 1977-12-02 1979-03-27 Borg-Warner Corporation Fluid control system with automatically actuated motor port lock-out valves
DE3844071A1 (de) * 1988-12-28 1990-07-05 Bosch Gmbh Robert Wegeventil zum steuern eines hydraulikzylinders
SE466712B (sv) * 1990-07-24 1992-03-23 Bo Andersson Anordning vid hydraulmotor foer styrning av densamma
US5331882A (en) * 1993-04-05 1994-07-26 Deere & Company Control valve system with float valve
DE19639140B4 (de) * 1996-09-24 2008-09-11 Robert Bosch Gmbh Steuereinrichtung mit Sperrblock für eine doppeltwirkende Kolben-Zylinder-Einheit
DE29713294U1 (de) * 1997-07-25 1997-09-25 Heilmeier & Weinlein Hydraulische Steuervorrichtung für ein Kipperfahrzeug
DE19919015C2 (de) * 1999-04-27 2001-11-15 Sauer Danfoss Nordborg As Nord Hydraulische Ventilanordnung mit Verriegelungs- und Schwimmfunktion

Also Published As

Publication number Publication date
FR2796106A1 (fr) 2001-01-12
DE19931142A1 (de) 2001-01-25
US6427721B1 (en) 2002-08-06
SE520487C2 (sv) 2003-07-15
SE0002199D0 (sv) 2000-06-13
GB2351778B (en) 2003-08-27
DE19931142C2 (de) 2002-07-18
GB0015103D0 (en) 2000-08-09
GB2351778A (en) 2001-01-10
SE0002199L (sv) 2001-01-07
FR2796106B1 (fr) 2004-12-10
IT1320449B1 (it) 2003-11-26
ITTO20000619A1 (it) 2001-12-23

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