IT1320316B1 - Disposizione di valvola idraulica con funzione di bloccaggio e digalleggiamento. - Google Patents

Disposizione di valvola idraulica con funzione di bloccaggio e digalleggiamento.

Info

Publication number
IT1320316B1
IT1320316B1 IT2000TO000393A ITTO20000393A IT1320316B1 IT 1320316 B1 IT1320316 B1 IT 1320316B1 IT 2000TO000393 A IT2000TO000393 A IT 2000TO000393A IT TO20000393 A ITTO20000393 A IT TO20000393A IT 1320316 B1 IT1320316 B1 IT 1320316B1
Authority
IT
Italy
Prior art keywords
digallyging
locking
function
valve arrangement
hydraulic valve
Prior art date
Application number
IT2000TO000393A
Other languages
English (en)
Inventor
Siegfried Zenker
Carsten Christensen
Thorkild Christensen
Original Assignee
Danfoss Fluid Power As Ora Sau
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 Danfoss Fluid Power As Ora Sau filed Critical Danfoss Fluid Power As Ora Sau
Publication of ITTO20000393A0 publication Critical patent/ITTO20000393A0/it
Publication of ITTO20000393A1 publication Critical patent/ITTO20000393A1/it
Application granted granted Critical
Publication of IT1320316B1 publication Critical patent/IT1320316B1/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
    • 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
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool 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
    • F15B13/02—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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated 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
    • 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
    • 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)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
IT2000TO000393A 1999-04-27 2000-04-26 Disposizione di valvola idraulica con funzione di bloccaggio e digalleggiamento. IT1320316B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19919015A DE19919015C2 (de) 1999-04-27 1999-04-27 Hydraulische Ventilanordnung mit Verriegelungs- und Schwimmfunktion

Publications (3)

Publication Number Publication Date
ITTO20000393A0 ITTO20000393A0 (it) 2000-04-26
ITTO20000393A1 ITTO20000393A1 (it) 2001-10-26
IT1320316B1 true IT1320316B1 (it) 2003-11-26

Family

ID=7905964

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000TO000393A IT1320316B1 (it) 1999-04-27 2000-04-26 Disposizione di valvola idraulica con funzione di bloccaggio e digalleggiamento.

Country Status (4)

Country Link
US (1) US6220289B1 (it)
DE (1) DE19919015C2 (it)
GB (1) GB2349430B (it)
IT (1) IT1320316B1 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19931142C2 (de) * 1999-07-06 2002-07-18 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung mit Verriegelungsfunktion
DE10045404C2 (de) * 2000-09-14 2002-10-24 Sauer Danfoss Holding As Nordb Hydraulische Ventilanordnung
US20030141132A1 (en) * 2002-01-31 2003-07-31 Kowalyk Vladimir M. Integral over-running load control valve on tractor remote valve section for agricultural loader boom circuit
DE10216959B8 (de) 2002-04-17 2004-07-08 Sauer-Danfoss (Nordborg) A/S Hydraulische Steuereinrichtung
DE10219719A1 (de) * 2002-05-02 2003-11-27 Sauer Danfoss Nordborg As Nord Hydraulische Ventilanordnung
DE10219718B4 (de) 2002-05-02 2007-06-06 Sauer-Danfoss Aps Hydraulische Ventilanordnung
DE10219717B3 (de) * 2002-05-02 2004-02-05 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
DE10224827A1 (de) 2002-06-05 2004-01-08 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
DE10258517B3 (de) * 2002-12-14 2004-06-03 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
DE10349714B4 (de) * 2003-10-23 2005-09-08 Sauer-Danfoss Aps Steuervorrichtung für eine hydraulische Hebevorrichtung
DE102004012545A1 (de) * 2004-01-21 2005-08-11 Continental Teves Ag & Co. Ohg Fahrzeugstabilisierungssystem
DE102007032415B3 (de) 2007-07-12 2009-04-02 Sauer-Danfoss Aps Hydraulische Ventilanordnung
US20100090143A1 (en) * 2008-08-28 2010-04-15 Kot Norbert J Dual locking valve
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
US11272659B2 (en) 2019-03-27 2022-03-15 Deere & Company Controlled or tuned float on an agricultural harvester to modify float response
US11219162B2 (en) 2019-04-23 2022-01-11 Deere & Company Controlled header lowering on an agricultural harvester
US11191212B2 (en) * 2019-04-23 2021-12-07 Deere & Company Controlled float on an agricultural harvester for header leveling
US11224164B2 (en) 2019-04-23 2022-01-18 Deere & Company Damped float response on an agricultural harvester

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716933A (en) * 1986-10-16 1988-01-05 J. I. Case Company Valve unit
DE3841507C1 (it) * 1988-01-22 1989-06-29 Danfoss A/S, Nordborg, Dk
JPH0454352Y2 (it) * 1989-08-29 1992-12-21
LU87794A1 (fr) * 1990-08-31 1991-02-18 Hydrolux Sarl Proportional-wegeventil in sitzbauweise
US5331882A (en) * 1993-04-05 1994-07-26 Deere & Company Control valve system with float valve
DE19527494A1 (de) * 1995-07-27 1997-01-30 Beilhack Maschf Martin An einem Fahrzeug anbaubare pneumatische Betätigungseinrichtung

Also Published As

Publication number Publication date
GB2349430A (en) 2000-11-01
DE19919015C2 (de) 2001-11-15
GB0010169D0 (en) 2000-06-14
US6220289B1 (en) 2001-04-24
ITTO20000393A1 (it) 2001-10-26
ITTO20000393A0 (it) 2000-04-26
GB2349430B (en) 2003-07-16
DE19919015A1 (de) 2001-01-18

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