CN88101490A - 用于平衡式先导控制的安全泄压阀的阶梯型活塞 - Google Patents

用于平衡式先导控制的安全泄压阀的阶梯型活塞 Download PDF

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Publication number
CN88101490A
CN88101490A CN198888101490A CN88101490A CN88101490A CN 88101490 A CN88101490 A CN 88101490A CN 198888101490 A CN198888101490 A CN 198888101490A CN 88101490 A CN88101490 A CN 88101490A CN 88101490 A CN88101490 A CN 88101490A
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CN
China
Prior art keywords
mentioned
piston
pressure
pressure chamber
valve
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.)
Pending
Application number
CN198888101490A
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English (en)
Chinese (zh)
Inventor
赖英生
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of CN88101490A publication Critical patent/CN88101490A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
CN198888101490A 1987-03-23 1988-03-18 用于平衡式先导控制的安全泄压阀的阶梯型活塞 Pending CN88101490A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2880387A 1987-03-23 1987-03-23
US028803 1987-03-23

Publications (1)

Publication Number Publication Date
CN88101490A true CN88101490A (zh) 1988-10-26

Family

ID=21845522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN198888101490A Pending CN88101490A (zh) 1987-03-23 1988-03-18 用于平衡式先导控制的安全泄压阀的阶梯型活塞

Country Status (9)

Country Link
JP (1) JPS63254278A (es)
KR (1) KR880011511A (es)
CN (1) CN88101490A (es)
AU (1) AU1320088A (es)
BR (1) BR8801154A (es)
ES (1) ES2006604A6 (es)
FR (1) FR2613020A1 (es)
GB (1) GB2202612A (es)
IT (1) IT1219508B (es)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100380033C (zh) * 2003-08-19 2008-04-09 查谦 背压平衡式最小压力阀
CN101220881B (zh) * 2007-12-18 2010-06-23 刘梦真 断压装置
WO2010124661A1 (en) * 2009-05-01 2010-11-04 Yang Cong Pressure regulating device, compressed air supply system and motor vehicle
CN101476564B (zh) * 2009-01-20 2010-12-01 曹康年 安全诱导阀
CN101839359B (zh) * 2009-11-18 2012-01-11 南京工程学院 变差溢流阀
CN101836020B (zh) * 2008-03-27 2012-11-14 艾拉斯科普库空气动力股份有限公司 最小压力阀
CN103223934A (zh) * 2012-01-25 2013-07-31 株式会社万都 改善制动感的预填充系统及使用其增大初始通量的方法
CN103644339A (zh) * 2013-11-25 2014-03-19 大连元利流体技术有限公司 一种耐污染先导式溢流阀
CN106523750A (zh) * 2016-12-26 2017-03-22 苏州艾尔泰流体控制有限公司 一种泄压阀加速器及泄压结构

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU88384A1 (de) * 1993-07-16 1995-02-01 Hydrolux Sarl 2-Wege-Einbauventil als Sitzventil
DE69602905T2 (de) * 1995-11-16 2000-01-27 Boc Group Plc Druckreduzierventil
DE19727003A1 (de) * 1997-06-25 1999-01-07 Bosch Gmbh Robert Hydraulisch vorsteuerbares Druckventil
US8870233B2 (en) 2007-07-03 2014-10-28 S.P.M. Flow Control, Inc. Swivel joint with uniform ball bearing requirements
EP2422120B1 (en) 2009-04-20 2016-05-25 S.P.M. Flow Control, Inc. Flowline flapper valve
SG176534A1 (en) 2009-06-03 2012-01-30 Weir Spm Inc Plug valve indicator
GB2520218A (en) 2012-08-16 2015-05-13 Spm Flow Control Inc Plug valve having preloaded seal segments
US9322243B2 (en) 2012-08-17 2016-04-26 S.P.M. Flow Control, Inc. Automated relief valve control system and method
US9273543B2 (en) 2012-08-17 2016-03-01 S.P.M. Flow Control, Inc. Automated relief valve control system and method
USD707332S1 (en) 2013-03-15 2014-06-17 S.P.M. Flow Control, Inc. Seal assembly
USD707797S1 (en) 2013-03-15 2014-06-24 S.P.M. Flow Control, Inc. Seal segment
CA2916699A1 (en) 2013-07-01 2015-01-08 S.P.M. Flow Control, Inc. Manifold assembly
RU2560651C2 (ru) * 2013-08-08 2015-08-20 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Динамически устойчивый дренажно-предохранительный клапан
CN107850243A (zh) 2015-06-15 2018-03-27 S.P.M.流量控制股份有限公司 具有增加壁厚的全根部半径螺纹蝶型螺母
US10677365B2 (en) 2015-09-04 2020-06-09 S.P.M. Flow Control, Inc. Pressure relief valve assembly and methods
CN108105399B (zh) * 2016-11-25 2019-10-15 环境保护部核与辐射安全中心 用于安全阀的触发装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB229147A (en) * 1924-05-03 1925-02-19 Babcock & Wilcox Ltd Improvements relating to safety valves
GB267978A (en) * 1926-03-20 1927-06-23 Forges Chantiers Mediterranee Safety valve
DE1078837B (de) * 1956-06-22 1960-03-31 Ludwig Rexroth Vorrichtung zum Einhalten eines festgelegten Solldrucks in hydraulischen Anlagen mit einem Vorregelventil und einem Hauptventil
GB901061A (en) * 1958-12-02 1962-07-11 Von Roll Ag Improvements in or relating to safety valves
US3083726A (en) * 1959-09-04 1963-04-02 Cameron Iron Works Inc High and low pressure responsive cut-off valve
FR1263250A (fr) * 1960-04-07 1961-06-09 Zenith Carburateur Soc Du Dispositif de sécurité pour installation de distribution de fluide sous pression, en vue notamment de la protection contre les ruptures de canalisations de carburant
GB1116474A (en) * 1966-06-14 1968-06-06 Exni Instttut Metallorezhuschi Safety valve
US3578019A (en) * 1968-01-04 1971-05-11 Marco Turolla Relief valve unit for hydraulic pressure lines
US3608580A (en) * 1969-12-18 1971-09-28 Kelsey Hayes Co Pilot-operated relief valve
US4075928A (en) * 1974-05-31 1978-02-28 Ross Operating Valve Company Safety valve for fluid systems
US4462420A (en) * 1982-06-14 1984-07-31 Teledyne Farris Engineering Safety pressure relief valve
US4586533A (en) * 1985-07-01 1986-05-06 Crosby Valve & Gage Company Non-flowing modulating pilot operated relief valve

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100380033C (zh) * 2003-08-19 2008-04-09 查谦 背压平衡式最小压力阀
CN101220881B (zh) * 2007-12-18 2010-06-23 刘梦真 断压装置
CN101836020B (zh) * 2008-03-27 2012-11-14 艾拉斯科普库空气动力股份有限公司 最小压力阀
CN101476564B (zh) * 2009-01-20 2010-12-01 曹康年 安全诱导阀
WO2010124661A1 (en) * 2009-05-01 2010-11-04 Yang Cong Pressure regulating device, compressed air supply system and motor vehicle
RU2526612C2 (ru) * 2009-05-01 2014-08-27 Янг Конг Устройство для регулирования давления, система подачи сжатого воздуха и автомобильное транспортное средство
CN101839359B (zh) * 2009-11-18 2012-01-11 南京工程学院 变差溢流阀
CN103223934A (zh) * 2012-01-25 2013-07-31 株式会社万都 改善制动感的预填充系统及使用其增大初始通量的方法
CN103223934B (zh) * 2012-01-25 2015-07-15 株式会社万都 改善制动感的预填充系统
CN103644339A (zh) * 2013-11-25 2014-03-19 大连元利流体技术有限公司 一种耐污染先导式溢流阀
CN106523750A (zh) * 2016-12-26 2017-03-22 苏州艾尔泰流体控制有限公司 一种泄压阀加速器及泄压结构

Also Published As

Publication number Publication date
FR2613020A1 (fr) 1988-09-30
BR8801154A (pt) 1988-10-25
IT8847750A0 (it) 1988-03-18
AU1320088A (en) 1988-09-22
JPS63254278A (ja) 1988-10-20
GB2202612A (en) 1988-09-28
KR880011511A (ko) 1988-10-28
ES2006604A6 (es) 1989-05-01
GB8804944D0 (en) 1988-03-30
IT1219508B (it) 1990-05-18

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication