ATE278136T1 - Steuerbares druckventil - Google Patents

Steuerbares druckventil

Info

Publication number
ATE278136T1
ATE278136T1 AT99308145T AT99308145T ATE278136T1 AT E278136 T1 ATE278136 T1 AT E278136T1 AT 99308145 T AT99308145 T AT 99308145T AT 99308145 T AT99308145 T AT 99308145T AT E278136 T1 ATE278136 T1 AT E278136T1
Authority
AT
Austria
Prior art keywords
pressure
valve
inlet
chamber
pressurised fluid
Prior art date
Application number
AT99308145T
Other languages
English (en)
Inventor
Bernd Zaehe
Original Assignee
Sun Hydraulics Corp
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 Sun Hydraulics Corp filed Critical Sun Hydraulics Corp
Application granted granted Critical
Publication of ATE278136T1 publication Critical patent/ATE278136T1/de

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • G05D16/103—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet
    • G05D16/106—Sleeve-like sensing elements; Sensing elements surrounded by the flow path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
    • 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
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y10T137/7764—Choked or throttled pressure type
    • Y10T137/7766—Choked passage through main valve head
    • 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
    • Y10T137/7781—With separate connected fluid reactor surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Float Valves (AREA)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Driven Valves (AREA)
AT99308145T 1998-11-09 1999-10-15 Steuerbares druckventil ATE278136T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/189,613 US6039070A (en) 1998-11-09 1998-11-09 Pilot operated pressure valve

Publications (1)

Publication Number Publication Date
ATE278136T1 true ATE278136T1 (de) 2004-10-15

Family

ID=22698066

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99308145T ATE278136T1 (de) 1998-11-09 1999-10-15 Steuerbares druckventil

Country Status (5)

Country Link
US (2) US6039070A (de)
EP (1) EP1001197B1 (de)
JP (1) JP3118230B2 (de)
AT (1) ATE278136T1 (de)
DE (1) DE69920628T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6477268B1 (en) * 1998-11-17 2002-11-05 Industrial Technology Research Institute Producing transitions between vistas
US6318406B1 (en) * 2000-03-14 2001-11-20 Tyco Flow Control, Inc. Pilot operated relief valve
AU2001249309A1 (en) 2000-03-24 2001-10-08 Asco Controls, L.P. Booster pilot valve
US6491315B2 (en) * 2000-12-22 2002-12-10 James A. Hagen Brake warning and step for bumper
US6640830B2 (en) * 2001-12-12 2003-11-04 Sun Hydraulics Corp. Pilot operated pressure valve
DE50205601D1 (de) * 2002-06-12 2006-04-06 Fsp Fluid Sys Partners Holding Einschraubventil
US6742767B1 (en) * 2003-03-17 2004-06-01 Spx Corporation Floor jack apparatus and method
US7066710B2 (en) * 2004-05-27 2006-06-27 Honeywell International, Inc. Pneumatic valve control having improved opening characteristics and an air turbine starter incorporating the same
US7147430B2 (en) * 2004-06-10 2006-12-12 Honeywell International, Inc. Pneumatic valve control using downstream pressure feedback and an air turbine starter incorporating the same
US7467642B2 (en) 2005-03-11 2008-12-23 Sun Hydraulics Corp. Soft ventable relief valve
ATE418697T1 (de) * 2005-06-15 2009-01-15 Bosch Rexroth Oil Control S P Ventil zum progressiven bremsen
US8360096B2 (en) * 2007-08-15 2013-01-29 Sauer-Danfoss Inc. Low pressure rise rate pilot operated poppet relief valve
US10813296B1 (en) * 2008-03-06 2020-10-27 Ausco, Inc. Zero leak pilot operated valve having two seats
DE102009053635A1 (de) * 2009-11-17 2011-05-19 Robert Bosch Gmbh Vorgesteuertes Druckbegrenzungsventil
CN102959298B (zh) * 2010-07-06 2015-05-06 沃尔沃建造设备有限公司 用于控制压力的阀
US9273702B2 (en) 2011-10-21 2016-03-01 Sun Hydraulics Corporation Dynamically adjusting counterbalance valve
CH708930A1 (de) * 2013-12-06 2015-06-15 Liebherr Machines Bulle Sa Druckbegrenzungsventil.
US9850919B2 (en) 2014-09-16 2017-12-26 Sun Hydraulics Corporation Counterbalance valve with dual or triple pilot ratio
US10437269B1 (en) * 2017-10-06 2019-10-08 Sun Hydraulics, Llc Electrohydraulic counterbalance and pressure relief valve
US10794510B1 (en) 2017-12-20 2020-10-06 Sun Hydraulics, Llc Electrohydraulic counterbalance and pressure relief valve
CN108167253A (zh) * 2017-12-27 2018-06-15 邵立坤 缓冲溢流阀
CN108223474A (zh) * 2018-01-19 2018-06-29 陈艳艳 一种紧凑型缓冲阀
US10495117B1 (en) 2018-04-17 2019-12-03 Sun Hydraulics, Llc Electrohydraulic counterbalance and pressure relief valve
RU2690307C1 (ru) * 2018-08-01 2019-05-31 Общество с ограниченной ответственностью "ГИДРО-СТАР" Предохранительный клапан непрямого действия
US10557483B1 (en) 2018-09-18 2020-02-11 Sun Hydraulics, Llc Electrohydraulic valve normally operating in pressure relief mode and configured to operate in ventable mode when actuated
US10533584B1 (en) * 2018-09-18 2020-01-14 Sun Hydraulics, Llc Electrohydraulic normally-open ventable valve configured to operate in pressure relief mode when actuated
US10774853B2 (en) 2018-09-18 2020-09-15 Sun Hydraulics, Llc Electrohydraulic valve normally operating in fluid flow-blocking mode and configured to operate in pressure relief mode when actuated
US10570932B1 (en) 2018-09-18 2020-02-25 Sun Hydraulics, Llc Electrohydraulic valve normally operating in pressure relief mode and configured to block fluid flow when actuated
US10683879B1 (en) 2019-01-22 2020-06-16 Sun Hydraulics, Llc Two-port electrohydraulic counterbalance valve
US10775812B1 (en) * 2019-01-22 2020-09-15 Sun Hydraulics, Llc Inverse proportional pressure relief valve
JP7350458B2 (ja) * 2019-07-11 2023-09-26 イーグル工業株式会社 容量制御弁
CN111283881A (zh) * 2020-03-13 2020-06-16 宁波爵盛科技有限公司 一种具有自动下料功能的珍珠钻孔装置
US11353127B2 (en) * 2020-04-28 2022-06-07 Sun Hydraulics, Llc Vented counterbalance valve with two setting springs in parallel
KR102573761B1 (ko) * 2021-09-08 2023-08-31 주식회사 현대케피코 연료탱크 차단밸브
US20240344625A1 (en) * 2023-04-12 2024-10-17 Republic Oil Tools, LLC Adjustable check valve
US12271212B2 (en) 2023-07-10 2025-04-08 Sun Hydraulics, Llc Counterbalance valve with enhanced pressure sensing features

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653527A (en) * 1985-10-21 1987-03-31 Modular Controls Corporation Pressure relief valve
US5050636A (en) * 1990-10-17 1991-09-24 Kawasaki Jukogyo Kabushiki Kaisha Relief valve
US5381823A (en) * 1994-02-14 1995-01-17 Sun Hydraulics Hydraulic pressure control valve
DE19524900C2 (de) * 1995-07-08 2000-12-28 Mannesmann Rexroth Ag Vorgesteuertes Druckbegrenzungsventil
JP4933973B2 (ja) 2007-07-25 2012-05-16 大王製紙株式会社 多層抄き紙、積層シート及び当該積層シートの製造方法

Also Published As

Publication number Publication date
DE69920628T2 (de) 2005-10-06
US6119722A (en) 2000-09-19
US6039070A (en) 2000-03-21
JP2000146015A (ja) 2000-05-26
EP1001197A1 (de) 2000-05-17
EP1001197B1 (de) 2004-09-29
JP3118230B2 (ja) 2000-12-18
DE69920628D1 (de) 2004-11-04

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Legal Events

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