ATE454561T1 - Hydraulisches ls-wegeventil - Google Patents

Hydraulisches ls-wegeventil

Info

Publication number
ATE454561T1
ATE454561T1 AT04806783T AT04806783T ATE454561T1 AT E454561 T1 ATE454561 T1 AT E454561T1 AT 04806783 T AT04806783 T AT 04806783T AT 04806783 T AT04806783 T AT 04806783T AT E454561 T1 ATE454561 T1 AT E454561T1
Authority
AT
Austria
Prior art keywords
chambers
feed chamber
valve
discharge
hydraulic
Prior art date
Application number
AT04806783T
Other languages
English (en)
Inventor
Ina Costin
Original Assignee
Duplomatic Oleodinamica S P A
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 Duplomatic Oleodinamica S P A filed Critical Duplomatic Oleodinamica S P A
Application granted granted Critical
Publication of ATE454561T1 publication Critical patent/ATE454561T1/de

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
    • F15B13/02—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
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
    • Y10T137/87177—With bypass

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Device For Special Equipments (AREA)
AT04806783T 2004-11-08 2004-11-08 Hydraulisches ls-wegeventil ATE454561T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2004/000610 WO2006048900A1 (en) 2004-11-08 2004-11-08 Load sensing directional hydraulic valve

Publications (1)

Publication Number Publication Date
ATE454561T1 true ATE454561T1 (de) 2010-01-15

Family

ID=34959419

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04806783T ATE454561T1 (de) 2004-11-08 2004-11-08 Hydraulisches ls-wegeventil

Country Status (6)

Country Link
US (1) US20080099086A1 (de)
EP (1) EP1828620B1 (de)
CN (1) CN100567745C (de)
AT (1) ATE454561T1 (de)
DE (1) DE602004025056D1 (de)
WO (1) WO2006048900A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6425500B2 (ja) * 2014-11-07 2018-11-21 Ｋｙｂ株式会社 ロードセンシングバルブ装置
CN104500475B (zh) * 2014-12-11 2017-03-15 湘潭大学 一种带折叠式臂架的机械用平衡阀

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744517A (en) * 1971-09-30 1973-07-10 Budzich Tadeusz Load responsive fluid control valves
GB1422938A (en) * 1972-01-14 1976-01-28 Sperry Rand Ltd Hydraulic valves
DE2807464C2 (de) * 1978-02-22 1982-11-25 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hilfskraftlenkung
DE3505623A1 (de) * 1985-02-19 1986-08-21 Robert Bosch Gmbh, 7000 Stuttgart Hydraulisches wegeventil fuer eine lastdruckkompensierte steuerung
DE3603811C2 (de) * 1986-02-07 1995-12-21 Bosch Gmbh Robert Hydraulisches Wegeventil
US4889161A (en) * 1987-10-02 1989-12-26 Applied Power Inc. Compensated individual segment flow regulator
JPH01120405A (ja) 1987-11-04 1989-05-12 Sumitomo Heavy Ind Ltd コンポジットバルブ
DE4136991C2 (de) * 1991-11-11 2000-11-02 Bosch Gmbh Robert Hydraulisches Wegeventil
DE4312257A1 (de) * 1993-04-15 1994-10-20 Bosch Gmbh Robert Hydraulische Steuereinrichtung
DE10027382A1 (de) * 2000-06-02 2001-12-06 Bosch Gmbh Robert Hydraulische Steuereinrichtung
US6450194B1 (en) * 2000-09-26 2002-09-17 Case Corporation Spool notch geometry for hydraulic spool valve
EP1499807A1 (de) * 2002-04-26 2005-01-26 Bosch Rexroth AG Ls-wegeventilanordnung

Also Published As

Publication number Publication date
EP1828620A1 (de) 2007-09-05
US20080099086A1 (en) 2008-05-01
DE602004025056D1 (de) 2010-02-25
CN101069019A (zh) 2007-11-07
EP1828620B1 (de) 2010-01-06
CN100567745C (zh) 2009-12-09
WO2006048900A1 (en) 2006-05-11

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties