DE3722665A1 - Rueckflussverhinderer - Google Patents

Rueckflussverhinderer

Info

Publication number
DE3722665A1
DE3722665A1 DE19873722665 DE3722665A DE3722665A1 DE 3722665 A1 DE3722665 A1 DE 3722665A1 DE 19873722665 DE19873722665 DE 19873722665 DE 3722665 A DE3722665 A DE 3722665A DE 3722665 A1 DE3722665 A1 DE 3722665A1
Authority
DE
Germany
Prior art keywords
valve
guide
backflow preventer
webs
preventer according
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.)
Granted
Application number
DE19873722665
Other languages
German (de)
English (en)
Other versions
DE3722665C2 (en, 2012
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
Neoperl GmbH
Original Assignee
Dieter Wildfang GmbH
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 Dieter Wildfang GmbH filed Critical Dieter Wildfang GmbH
Priority to DE19873722665 priority Critical patent/DE3722665A1/de
Priority to AT88109458T priority patent/ATE65592T1/de
Priority to EP88109458A priority patent/EP0298281B1/de
Priority to DE8888109458T priority patent/DE3863860D1/de
Priority to AU18746/88A priority patent/AU614701B2/en
Priority to US07/216,319 priority patent/US4862913A/en
Priority to JP63169146A priority patent/JPH0781650B2/ja
Publication of DE3722665A1 publication Critical patent/DE3722665A1/de
Application granted granted Critical
Publication of DE3722665C2 publication Critical patent/DE3722665C2/de
Granted legal-status Critical Current

Links

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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • 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]
    • Y10T137/7866—Plural seating
    • Y10T137/7867—Sequential
    • Y10T137/7868—Resilient gasket
    • 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]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7932—Valve stem extends through fixed spring abutment
    • Y10T137/7933—Yoke or cage-type support for valve stem

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Compressor (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
DE19873722665 1987-07-09 1987-07-09 Rueckflussverhinderer Granted DE3722665A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19873722665 DE3722665A1 (de) 1987-07-09 1987-07-09 Rueckflussverhinderer
AT88109458T ATE65592T1 (de) 1987-07-09 1988-06-14 Rueckflussverhinderer.
EP88109458A EP0298281B1 (de) 1987-07-09 1988-06-14 Rückflussverhinderer
DE8888109458T DE3863860D1 (de) 1987-07-09 1988-06-14 Rueckflussverhinderer.
AU18746/88A AU614701B2 (en) 1987-07-09 1988-07-06 Check valve
US07/216,319 US4862913A (en) 1987-07-09 1988-07-07 Check valve
JP63169146A JPH0781650B2 (ja) 1987-07-09 1988-07-08 逆流防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873722665 DE3722665A1 (de) 1987-07-09 1987-07-09 Rueckflussverhinderer

Publications (2)

Publication Number Publication Date
DE3722665A1 true DE3722665A1 (de) 1989-01-26
DE3722665C2 DE3722665C2 (en, 2012) 1989-07-06

Family

ID=6331209

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873722665 Granted DE3722665A1 (de) 1987-07-09 1987-07-09 Rueckflussverhinderer
DE8888109458T Expired - Lifetime DE3863860D1 (de) 1987-07-09 1988-06-14 Rueckflussverhinderer.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8888109458T Expired - Lifetime DE3863860D1 (de) 1987-07-09 1988-06-14 Rueckflussverhinderer.

Country Status (6)

Country Link
US (1) US4862913A (en, 2012)
EP (1) EP0298281B1 (en, 2012)
JP (1) JPH0781650B2 (en, 2012)
AT (1) ATE65592T1 (en, 2012)
AU (1) AU614701B2 (en, 2012)
DE (2) DE3722665A1 (en, 2012)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9013595U1 (de) * 1990-08-21 1990-12-06 R.C. Mannesmann AG, Basel Rückflußverhinderer
DE4401530A1 (de) * 1994-01-20 1995-07-27 Schaeffler Waelzlager Kg Fließgepreßte Schnappstufe
DE19741249A1 (de) * 1997-09-18 1999-03-25 Itt Mfg Enterprises Inc Sitzventil
WO2005052421A1 (de) * 2003-11-03 2005-06-09 Neoperl Gmbh Rückflussverhinderer
CN110608301A (zh) * 2018-06-14 2019-12-24 泰坦流量控制公司 插入式止回阀及方法

Families Citing this family (81)

* Cited by examiner, † Cited by third party
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US4964391A (en) * 1989-05-30 1990-10-23 Walbro Corporation Check valve for engine fuel delivery systems
FR2663392B1 (fr) * 1990-06-18 1992-11-06 Comap Dispositif d'etancheite pour organe fixe.
DE4039280A1 (de) * 1990-12-08 1992-06-11 Wildfang Dieter Gmbh Rueckflussverhinderer
DE4227356A1 (de) * 1992-08-19 1994-03-03 Wildfang Dieter Gmbh Verfahren zum Herstellen sanitärer Einbauteile sowie danach hergestelltes Einbauteil
DE19731557A1 (de) * 1997-07-23 1999-01-28 Mann & Hummel Filter Ventil
US6029946A (en) * 1997-09-15 2000-02-29 Tiva Medical Inc. Needleless valve
US5967179A (en) * 1998-02-02 1999-10-19 Westinghouse Air Brake Company Low profile discharge check valve
AU766691B2 (en) * 1999-01-20 2003-10-23 Methven Limited Pressure limiting valve
JP2000346241A (ja) * 1999-06-07 2000-12-15 Toyota Autom Loom Works Ltd 逆止弁
JP4066563B2 (ja) * 1999-06-07 2008-03-26 株式会社豊田自動織機 逆止弁
US6443421B1 (en) * 1999-08-03 2002-09-03 David Lowell Wolfe Poppet valve with sleeve
DE19955888B4 (de) * 1999-11-20 2014-04-24 Robert Bosch Gmbh Magnetventil mit einem Rückschlagventil
DE10027986B4 (de) * 2000-06-06 2007-02-22 Neoperl Gmbh Sanitäres Einbauteil
US6745998B2 (en) * 2001-08-10 2004-06-08 Alaris Medical Systems, Inc. Valved male luer
US6964406B2 (en) * 2001-08-10 2005-11-15 Alaris Medical Systems, Inc. Valved male luer
US7044441B2 (en) * 2001-08-10 2006-05-16 Cardinal Health 303, Inc. Valved male luer connector having sequential valve timing
DE50205369D1 (de) * 2001-08-31 2006-01-26 Siemens Ag Rückschlagventil für eine pumpe
DE20118810U1 (de) * 2001-11-17 2003-04-03 Dieter Wildfang GmbH, 79379 Müllheim Rückflußverhinderer
DE10200275A1 (de) * 2002-01-07 2003-07-24 Siemens Ag Einlass- bzw. Auslassventil für eine Pumpe
US6971404B2 (en) * 2002-03-20 2005-12-06 G.T. Development Corporation Pressure protection valve
US20040058029A1 (en) * 2002-09-19 2004-03-25 Vargas Manuel G. Golf ball core mold with improved ejector
US7117892B2 (en) * 2003-10-24 2006-10-10 Hiltap Fittings, Ltd. Quick disconnect valve assembly
DE10351553A1 (de) * 2003-11-03 2005-06-02 Neoperl Gmbh Rückflußverhinderer
HK1077154A2 (en) * 2003-12-30 2006-02-03 Icu Medical, Inc. Valve assembly
US7306566B2 (en) * 2004-09-15 2007-12-11 Cardinal Health 303, Inc. Needle free blood collection device with male connector valve
US7651481B2 (en) 2004-12-30 2010-01-26 CareFusion 303 Inc. Self-sealing male connector device with collapsible body
US7726335B2 (en) * 2005-04-29 2010-06-01 Ti Group Automotive Systems, L.L.C. Check valve apparatus for fuel delivery systems
US7998134B2 (en) 2007-05-16 2011-08-16 Icu Medical, Inc. Medical connector
US20070088293A1 (en) * 2005-07-06 2007-04-19 Fangrow Thomas F Jr Medical connector with closeable male luer
DE202005016046U1 (de) * 2005-10-13 2007-02-22 Neoperl Gmbh Sanitäres Einbauteil
JP4330576B2 (ja) * 2005-10-28 2009-09-16 サンデン株式会社 圧縮機
US20070193633A1 (en) * 2006-02-17 2007-08-23 Conbraco Industries, Inc. Self-contained check valve module
US7857360B2 (en) * 2006-04-26 2010-12-28 Parker-Hannifin Corporation Snap-in-place valved coupler
DE102006021813A1 (de) 2006-05-09 2007-11-22 Honeywell Technologies Sarl Ecc Ventileinsatz für eine frostsichere Außenarmatur und frostsichere Außenarmatur
US20080007011A1 (en) * 2006-07-07 2008-01-10 Henry Buermann Compressed gas cylinder valve seal having elastomeric overmolded surface
US7537020B2 (en) * 2006-07-14 2009-05-26 Globe Union Industrial Corp. (Guic) Vacuum breaking device
ES2291125B1 (es) * 2006-08-01 2009-01-16 Genebre S.A. Valvula de retencion.
GB2455684B (en) * 2006-10-30 2011-11-16 Bradley Fixtures Corp Eyewash system
KR100797549B1 (ko) * 2007-06-27 2008-01-24 (주) 삼원미터텍 수도미터기용 유니온 역류방지밸브
US20090095361A1 (en) * 2007-10-10 2009-04-16 Tien-Ho Chung Control value unit for faucet assembly with hot and cold water provided
USD618342S1 (en) 2007-10-29 2010-06-22 Bradley Fixtures Corporation Tank for eyewash system
GB2452867B (en) * 2008-10-17 2009-08-05 Cambridge Reactor Design Ltd A valve assembly
US9078992B2 (en) 2008-10-27 2015-07-14 Pursuit Vascular, Inc. Medical device for applying antimicrobial to proximal end of catheter
US8679090B2 (en) 2008-12-19 2014-03-25 Icu Medical, Inc. Medical connector with closeable luer connector
US9168366B2 (en) 2008-12-19 2015-10-27 Icu Medical, Inc. Medical connector with closeable luer connector
JP5126604B2 (ja) * 2008-12-26 2013-01-23 株式会社デンソー 高圧ポンプ
EP2550058B1 (en) 2010-05-06 2014-03-26 ICU Medical, Inc. Medical connector with closeable luer connector
GB201020697D0 (en) * 2010-12-07 2011-01-19 Norgren Ltd C A Relief valve
WO2012162259A2 (en) 2011-05-20 2012-11-29 Excelsior Medical Corporation Caps for cannula access devices
WO2013009998A2 (en) 2011-07-12 2013-01-17 Pursuit Vascular, Inc. Device for delivery of antimicrobial agent into trans-dermal catheter
ES2664517T3 (es) 2011-09-09 2018-04-19 Icu Medical, Inc. Conectores médicos con interfaces de acoplamiento resistentes a fluidos
DE112013001876T5 (de) * 2012-05-03 2014-12-24 Borgwarner Inc. Bypassventil, insbesondere Verdichter-Bypassventil
US9580229B2 (en) * 2012-12-18 2017-02-28 Elias-Thomas Innovations, L.L.C. Beverage bottle insulating apparatus
US20140260354A1 (en) * 2013-03-14 2014-09-18 Service Solutions U.S. Llc Refrigerant Service Hose Check Valve Device and Method
US9593873B2 (en) * 2013-03-15 2017-03-14 Bosch Automotive Service Solutions Inc. Manifold for a refrigerant recovery device and method
JP6302999B2 (ja) * 2013-05-31 2018-03-28 ダンフォス パワー ソリューションズ ゲーエムベーハー ウント コンパニ オーハーゲーＤａｎｆｏｓｓ Ｐｏｗｅｒ Ｓｏｌｕｔｉｏｎｓ ＧｍｂＨ＆Ｃｏ．ＯＨＧ 作動バルブのための流体流れハットの取付け
CN106030170A (zh) * 2014-01-10 2016-10-12 尼克勒斯泰克伊塔利亚有限公司 阀和组件
EP3137122B1 (en) 2014-05-02 2019-09-04 Excelsior Medical Corporation Strip package for antiseptic cap
US9599242B2 (en) * 2015-02-25 2017-03-21 Purity (Xiamen) Sanitary Ware Co., Ltd. Anti-siphon one-way valve
DK3294404T3 (da) 2015-05-08 2025-09-08 Icu Medical Inc Medicinske konnektorer konfigureret til at modtage emittere af terapeutiske midler
WO2017027963A1 (en) * 2015-08-14 2017-02-23 Dana Canada Corporation Anti-drain valve assembly with integrated fixation function
US10221965B2 (en) * 2015-12-22 2019-03-05 Engineered Controls International, Llc Noise reducing filler valve
DE102016001431A1 (de) * 2016-02-10 2017-08-10 Neoperl Gmbh Sanitäres Rückflussverhindererventil
US9869402B2 (en) * 2016-02-22 2018-01-16 Chyi Liou Enterprise Co., Ltd. Check valve
PT3525865T (pt) 2016-10-14 2022-11-17 Icu Medical Inc Tampas de higienização para conectores médicos
WO2018204206A2 (en) 2017-05-01 2018-11-08 Icu Medical, Inc. Medical fluid connectors and methods for providing additives in medical fluid lines
CN108533802B (zh) * 2018-05-24 2019-11-08 武汉船用机械有限责任公司 一种船用大流量高压单向阀
IT201800006131A1 (it) * 2018-06-08 2019-12-08 Valvola di non ritorno
US11534595B2 (en) 2018-11-07 2022-12-27 Icu Medical, Inc. Device for delivering an antimicrobial composition into an infusion device
US11541220B2 (en) 2018-11-07 2023-01-03 Icu Medical, Inc. Needleless connector with antimicrobial properties
US11400195B2 (en) 2018-11-07 2022-08-02 Icu Medical, Inc. Peritoneal dialysis transfer set with antimicrobial properties
US11517732B2 (en) 2018-11-07 2022-12-06 Icu Medical, Inc. Syringe with antimicrobial properties
US11541221B2 (en) 2018-11-07 2023-01-03 Icu Medical, Inc. Tubing set with antimicrobial properties
EP3883638A1 (en) 2018-11-21 2021-09-29 ICU Medical, Inc. Antimicrobial device comprising a cap with ring and insert
KR102854972B1 (ko) * 2019-12-06 2025-09-04 삼성전자주식회사 세제공급장치 및 이를 포함하는 세탁기
DE102019135310A1 (de) * 2019-12-19 2021-06-24 Otto Egelhof Gmbh & Co. Kg Rückschlagventil sowie Anschlusseinrichtung für ein Rückschlagventil
IT202000019291A1 (it) 2020-08-05 2022-02-05 Nikles Inter AG Dispositivo di erogazione di un fluido con valvola di sicurezza
CA3204371A1 (en) 2020-12-07 2022-06-16 Icu Medical, Inc. Peritoneal dialysis caps, systems and methods
FR3124566B1 (fr) 2021-06-25 2023-05-12 Hutchinson Dispositif de raccordement fluidique et vanne inserable anti-retour pour vehicule
FR3124567A1 (fr) 2021-06-25 2022-12-30 Hutchinson Dispositif de raccordement fluidique et vanne inserable anti-retour pour vehicule
CN116411870A (zh) * 2023-04-28 2023-07-11 四川捷贝通能源科技有限公司 一种全金属预置球可溶桥塞

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1697174U (de) * 1955-01-17 1955-04-21 Carl Sandmann Fa Rueckschlagventil.
US2800142A (en) * 1954-11-15 1957-07-23 A V Roe Canada Ltd Pressure regulating and check valve
US2918083A (en) * 1954-06-07 1959-12-22 James Pond Clark Check valve and cage construction
DE6610152U (de) * 1966-04-27 1973-04-19 Wildfang Dieter Kg Rueckschlagventil

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US1086549A (en) * 1912-09-20 1914-02-10 Richard R Miller Valve.
US1616819A (en) * 1926-02-04 1927-02-08 Jr Henry Norris Check valve
US1890223A (en) * 1928-02-13 1932-12-06 John J Larkin Drill pipe float coupling
US3605802A (en) * 1968-11-02 1971-09-20 Itt Check valve
US3995658A (en) * 1974-06-12 1976-12-07 Societe Des Clapets T.J., Socla Non-return valve
DE2715395A1 (de) * 1977-04-06 1978-10-12 Argus Gmbh Schnellverschlusskupplung fuer hydraulikleitungen
NL176702C (nl) * 1978-05-08 1985-05-17 Ocean Bv Terugslagklep.
US4368756A (en) * 1978-12-13 1983-01-18 Mark Controls Corporation Check valve
FR2471536A1 (fr) * 1979-12-17 1981-06-19 Pont A Mousson Clapet anti-retour
JPS5937375A (ja) * 1982-08-24 1984-02-29 Tabuchi Seisakusho:Kk カ−トリツジ式逆止弁
JPS59144265U (ja) * 1983-03-16 1984-09-27 愛知時計電機株式会社 逆流防止弁
US4535808A (en) * 1983-07-08 1985-08-20 Dicken Manufacturing Company Check valve

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Publication number Priority date Publication date Assignee Title
US2918083A (en) * 1954-06-07 1959-12-22 James Pond Clark Check valve and cage construction
US2800142A (en) * 1954-11-15 1957-07-23 A V Roe Canada Ltd Pressure regulating and check valve
DE1697174U (de) * 1955-01-17 1955-04-21 Carl Sandmann Fa Rueckschlagventil.
DE6610152U (de) * 1966-04-27 1973-04-19 Wildfang Dieter Kg Rueckschlagventil

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9013595U1 (de) * 1990-08-21 1990-12-06 R.C. Mannesmann AG, Basel Rückflußverhinderer
DE4401530A1 (de) * 1994-01-20 1995-07-27 Schaeffler Waelzlager Kg Fließgepreßte Schnappstufe
DE4401530B4 (de) * 1994-01-20 2006-02-09 Ina-Schaeffler Kg Fließgepreßte Schnappstufe
DE19741249A1 (de) * 1997-09-18 1999-03-25 Itt Mfg Enterprises Inc Sitzventil
WO2005052421A1 (de) * 2003-11-03 2005-06-09 Neoperl Gmbh Rückflussverhinderer
CN110608301A (zh) * 2018-06-14 2019-12-24 泰坦流量控制公司 插入式止回阀及方法

Also Published As

Publication number Publication date
EP0298281B1 (de) 1991-07-24
ATE65592T1 (de) 1991-08-15
AU614701B2 (en) 1991-09-05
DE3722665C2 (en, 2012) 1989-07-06
EP0298281A1 (de) 1989-01-11
JPH0781650B2 (ja) 1995-09-06
DE3863860D1 (de) 1991-08-29
AU1874688A (en) 1989-01-12
US4862913A (en) 1989-09-05
JPS6487981A (en) 1989-04-03

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DIETER WILDFANG GMBH, 7840 MUELLHEIM, DE

8327 Change in the person/name/address of the patent owner

Owner name: NEOPERL GMBH, 79379 MUELLHEIM, DE

8339 Ceased/non-payment of the annual fee