DE69907730T2 - Hydraulisches wegeventil - Google Patents

Hydraulisches wegeventil Download PDF

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Publication number
DE69907730T2
DE69907730T2 DE69907730T DE69907730T DE69907730T2 DE 69907730 T2 DE69907730 T2 DE 69907730T2 DE 69907730 T DE69907730 T DE 69907730T DE 69907730 T DE69907730 T DE 69907730T DE 69907730 T2 DE69907730 T2 DE 69907730T2
Authority
DE
Germany
Prior art keywords
piston
core
pressure
distributor
recording
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 - Lifetime
Application number
DE69907730T
Other languages
German (de)
English (en)
Other versions
DE69907730D1 (de
Inventor
Wolfgang Kauss
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.)
Bosch Rexroth DSI SAS
Bosch Rexroth SAS
Original Assignee
Mannesmann Rexroth SA
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 Mannesmann Rexroth SA filed Critical Mannesmann Rexroth SA
Application granted granted Critical
Publication of DE69907730D1 publication Critical patent/DE69907730D1/de
Publication of DE69907730T2 publication Critical patent/DE69907730T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B13/02—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
    • F15B13/0407—Means for damping the valve member movement
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/785—With retarder or dashpot
    • Y10T137/7851—End of valve forms dashpot chamber
    • 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
    • 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
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Servomotors (AREA)
  • Safety Valves (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
DE69907730T 1998-12-09 1999-12-08 Hydraulisches wegeventil Expired - Lifetime DE69907730T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9815523A FR2787148B1 (fr) 1998-12-09 1998-12-09 Distributeur hydraulique
FR9815523 1998-12-09
PCT/FR1999/003052 WO2000034665A1 (fr) 1998-12-09 1999-12-08 Distributeur hydraulique

Publications (2)

Publication Number Publication Date
DE69907730D1 DE69907730D1 (de) 2003-06-12
DE69907730T2 true DE69907730T2 (de) 2004-03-18

Family

ID=9533755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69907730T Expired - Lifetime DE69907730T2 (de) 1998-12-09 1999-12-08 Hydraulisches wegeventil

Country Status (7)

Country Link
US (1) US6532989B1 (enExample)
EP (1) EP1137888B1 (enExample)
JP (1) JP4603166B2 (enExample)
AT (1) ATE239875T1 (enExample)
DE (1) DE69907730T2 (enExample)
FR (1) FR2787148B1 (enExample)
WO (1) WO2000034665A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869434A (zh) * 2018-09-21 2018-11-23 东莞海特帕沃液压科技有限公司 一种平衡阀

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10219717B3 (de) * 2002-05-02 2004-02-05 Sauer-Danfoss (Nordborg) A/S Hydraulische Ventilanordnung
DE10325296A1 (de) * 2003-06-04 2004-12-23 Bosch Rexroth Ag Hydraulische Steueranordnung
US7182097B2 (en) * 2004-08-17 2007-02-27 Walvoil S.P.A. Anti-saturation directional control valve composed of two or more sections with pressure selector compensators
JP4986884B2 (ja) * 2008-02-28 2012-07-25 カヤバ工業株式会社 ロードセンシングバルブ
IT1395462B1 (it) * 2009-09-03 2012-09-21 Brevini Fluid Power S P A Valvola di distribuzione
KR101115355B1 (ko) 2011-11-15 2012-03-06 주식회사 에스엔티 유압조절 밸브장치
EP2980416B1 (en) * 2014-07-31 2019-06-05 Bucher Hydraulics S.p.A. Hydraulic section for load sensing applications and multiple hydraulic distributor
JP6314903B2 (ja) * 2015-05-08 2018-04-25 Smc株式会社 流路ユニット及び切換弁

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901264A (en) * 1972-03-06 1975-08-26 Gresen Manufacturing Co Adjustable flow control for hydraulic valves having high pressure main supply and controls fluid flow to cylinder and exhaust ports
JPH0786361B2 (ja) * 1988-11-10 1995-09-20 株式会社ゼクセル 油圧制御弁
JP2740223B2 (ja) * 1989-01-09 1998-04-15 日立建機株式会社 弁装置
JPH0758082B2 (ja) * 1990-06-22 1995-06-21 株式会社ゼクセル 油圧制御弁装置
FR2689575B1 (fr) 1992-04-06 1994-07-08 Rexroth Sigma Distributeur hydraulique a compensation de pression et une selection de pression maximale pour piloter une pompe et commande hydraulique multiple incluant de tels distributeurs.
US5791142A (en) * 1997-03-27 1998-08-11 Husco International, Inc. Hydraulic control valve system with split pressure compensator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108869434A (zh) * 2018-09-21 2018-11-23 东莞海特帕沃液压科技有限公司 一种平衡阀
CN108869434B (zh) * 2018-09-21 2019-11-26 浙江达柏林阀门有限公司 一种平衡阀

Also Published As

Publication number Publication date
FR2787148A1 (fr) 2000-06-16
FR2787148B1 (fr) 2001-02-16
JP4603166B2 (ja) 2010-12-22
US6532989B1 (en) 2003-03-18
JP2002531793A (ja) 2002-09-24
EP1137888B1 (fr) 2003-05-07
ATE239875T1 (de) 2003-05-15
WO2000034665A1 (fr) 2000-06-15
EP1137888A1 (fr) 2001-10-04
DE69907730D1 (de) 2003-06-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BOSCH REXROTH D.S.I., VENISSIEUX, FR

Owner name: BOSCH REXROTH S.A.S., VENISSIEUX, FR