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EP0339104A1 - Robinetterie - Google Patents

Robinetterie Download PDF

Info

Publication number
EP0339104A1
EP0339104A1 EP88106643A EP88106643A EP0339104A1 EP 0339104 A1 EP0339104 A1 EP 0339104A1 EP 88106643 A EP88106643 A EP 88106643A EP 88106643 A EP88106643 A EP 88106643A EP 0339104 A1 EP0339104 A1 EP 0339104A1
Authority
EP
European Patent Office
Prior art keywords
housing
fitting according
check valves
valve
plunger
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
EP88106643A
Other languages
German (de)
English (en)
Other versions
EP0339104B1 (fr
Inventor
Rudolf Dipl.-Ing. Vollmer (Fh)
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.)
Honeywell Braukmann GmbH
Original Assignee
Honeywell Braukmann 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8198916&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0339104(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Honeywell Braukmann GmbH filed Critical Honeywell Braukmann GmbH
Priority to AT88106643T priority Critical patent/ATE66989T1/de
Priority to EP88106643A priority patent/EP0339104B1/fr
Priority to DE8888106643T priority patent/DE3864681D1/de
Priority to US07/339,280 priority patent/US4895180A/en
Publication of EP0339104A1 publication Critical patent/EP0339104A1/fr
Application granted granted Critical
Publication of EP0339104B1 publication Critical patent/EP0339104B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/106—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using two or more check valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2587—Bypass or relief valve biased open
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2594—Choke
    • Y10T137/2597—Variable choke resistance
    • 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
    • Y10T137/3149—Back flow prevention by vacuum breaking [e.g., anti-siphon devices]
    • Y10T137/3185—Air vent in liquid flow line
    • Y10T137/3294—Valved
    • Y10T137/3331—With co-acting valve in liquid flow path

Definitions

  • the present invention relates to a valve for preventing the backflow of water in a supply line according to the preamble of claim 1.
  • Such valves generally include two check valves in series with a vent valve therebetween.
  • Examples of such fittings are known in many ways and may e.g. DE-OS's 21 49 406, 24 24 978, 58 54 003 and 29 30 819 and US Pat. Nos. 2,389,412, 2 491 604, 2 503 424, 3 906 987, and 4,044,787 , Partly, these known fittings are designed so that an exchange of the valves can be made without the fitting must be removed from the lines. All of these valves have check valves which are arranged in the flow direction of the medium on a common axis. In addition, the known fittings are relatively complicated.
  • the fitting has a cross-shaped housing 10 with a water inlet nozzle 12 and a water outlet 14, which are aligned.
  • these nozzles 12, 14 are connected to an incoming and outgoing water pipe 18.
  • shut-off valves which are arranged in front of and behind the valve in the water pipe 18 and which are closed when maintenance work, e.g. An exchange of valves on the valve must be made.
  • the housing 10 passes above the inlet and outlet ports 12 and 14 in a cuboid housing part 20 to then take up a cup-shaped shape 22.
  • the valve stem 30 is connected via diaphragm plate 64 with a diaphragm 66 which is clamped between a flange collar 68 of the cup-shaped housing part 22 and a cover 70.
  • the connection between the cover and the housing is done by screws, not shown.
  • the valve stem 30 extends through the membrane 66 and through a further membrane 72 with a smaller diameter, which in a central recess 74 in the lid 70 with after inside jumping flange collar 76 is inserted.
  • the effective membrane diameter of the diaphragm 72 corresponds to the valve seat diameter of the valve seat 116.
  • the recess 74 has an internal thread 78 into which a threaded hood 80 is screwed in to clamp the diaphragm 72 between itself and the flange collar 76.
  • a spacer sleeve 82 and an abutment disc 84 provide a constant distance between the two diaphragms 66 and 72 and a screwed onto the end of the valve stem 30 nut 86 braces the whole assembly.
  • the threaded hood 80 is provided with a breathing opening 88.
  • the space 94 between the two membranes 66 and 72 is connected via a channel 90 to the water inlet nozzle 12. Further, a test port 92 is provided in the lid 70, at which the input pressure can be measured. Similarly, a channel 96 connects the water outlet 14 to a test port 98 in the lid 70, where the outlet pressure can be measured. Another unillustrated test port in the lid 70 allows the measurement of the pressure in a gap 100 between the rear of the check valve 34 and the front of the check valve 36. This space 100 is above recesses 102, 102 '(see Fig. 2) with an output intermediate chamber 104th connected by two partitions 106, 108 and a relief valve 110.
  • the relief valve 110 is seated in a drain port 112 which extends concentrically down to the valve lifter 30.
  • a drain port 112 In the drain port 112 is a Screwed valve seat body 114, the valve seat 116 cooperates with a arranged at the lower end of the valve stem 30 closing body 118. Finally, a drain funnel 120 is still screwed onto the drain port 112.
  • both check valves 34 and 36 are closed and the vent valve 110 is opened, so that a return flow from the outlet to the inlet is not possible and the intermediate chamber 100, 104 therebetween through the vent valve 110 is vented or dehydrated.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
  • Control Of Fluid Pressure (AREA)
  • Pipe Accessories (AREA)
  • Reciprocating Pumps (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Fluid-Driven Valves (AREA)
EP88106643A 1988-04-26 1988-04-26 Robinetterie Expired - Lifetime EP0339104B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT88106643T ATE66989T1 (de) 1988-04-26 1988-04-26 Armatur.
EP88106643A EP0339104B1 (fr) 1988-04-26 1988-04-26 Robinetterie
DE8888106643T DE3864681D1 (de) 1988-04-26 1988-04-26 Armatur.
US07/339,280 US4895180A (en) 1988-04-26 1989-04-17 Anti-backflow valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88106643A EP0339104B1 (fr) 1988-04-26 1988-04-26 Robinetterie

Publications (2)

Publication Number Publication Date
EP0339104A1 true EP0339104A1 (fr) 1989-11-02
EP0339104B1 EP0339104B1 (fr) 1991-09-04

Family

ID=8198916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106643A Expired - Lifetime EP0339104B1 (fr) 1988-04-26 1988-04-26 Robinetterie

Country Status (4)

Country Link
US (1) US4895180A (fr)
EP (1) EP0339104B1 (fr)
AT (1) ATE66989T1 (fr)
DE (1) DE3864681D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495372A1 (fr) * 1991-01-12 1992-07-22 Friedrich Grohe Aktiengesellschaft Robinet d'eau
WO1993013273A1 (fr) * 1991-12-23 1993-07-08 Grünbeck Wasseraufbereitung GmbH Obturateur de conduite
EP0573980A1 (fr) * 1992-06-12 1993-12-15 BRANDONI S.p.A. Soupape d'arrête à trois voies notamment pour systèmes de distribution sanitaires
EP0671514A2 (fr) * 1993-11-02 1995-09-13 Kurt Michael Dipl.-Ing. Desch Installation sanitaire d'alimentation et de trop-plein combinés pour baignoires avec inverseur de douche et disconnecteur intégré

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204386C2 (de) * 1992-02-14 1994-01-20 Honeywell Braukmann Gmbh Systemtrenner
DE102004044832B3 (de) * 2004-09-14 2006-01-19 Alfred Kärcher Gmbh & Co. Kg Rückflussverhinderer
US7293576B2 (en) * 2005-03-28 2007-11-13 Potter Electric Signal Company Single-piece manifold with reduced pressure arrangement
JP5189399B2 (ja) * 2008-04-07 2013-04-24 国立大学法人信州大学 逆止弁
JP5189403B2 (ja) * 2008-05-08 2013-04-24 国立大学法人信州大学 逆流防止装置

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389412A (en) 1941-09-26 1945-11-20 Carlton Frank Antibackflow and antisiphonage valve
US2491604A (en) 1943-06-22 1949-12-20 Carlton Frank Back siphonage prevention, antibackflow, and vacuum breaking valve
US2503424A (en) 1945-01-15 1950-04-11 Leonard L Snyder Backflow preventer
CH286217A (de) * 1950-07-19 1952-10-15 Benkiser Werk Kommandit Ges Spülventil mit durch Gegendruckkammer gesteuertem Ventilkörper.
US3837358A (en) * 1971-12-06 1974-09-24 Cla Val Co Backflow preventer valve assembly
US3906987A (en) 1974-03-13 1975-09-23 Watts Regulator Co Swing open cross-connection valve
US4044787A (en) 1976-03-19 1977-08-30 Rockwell International Corporation Backflow preventer and relief valve assembly
DE2854003A1 (de) 1978-03-28 1979-10-11 Amtrol Inc Vorrichtung zur verhinderung des rueckflusses von wasser von einer verbrauchsstelle in eine wasserversorgungsleitung
US4207015A (en) 1978-02-23 1980-06-10 Atencio Francisco J G Self-stabilized hydromotive assembly
US4207915A (en) * 1977-09-06 1980-06-17 Amtrol, Inc. Back flow preventer
DE2930819A1 (de) 1979-07-30 1981-02-05 Amtrol Inc Vorrichtung zur verhinderung des rueckflusses von wasser von einer verbrauchsstelle in eine wasserversorgungsleitung
FR2489469A1 (fr) * 1980-07-21 1982-03-05 Toro Co Appareil empechant l'ecoulement d'un fluide en sens contraire a la normale et comportant une soupape de surete, notamment pour l'alimentation en eau d'une grosse installation d'irrigation de cultures
US4364408A (en) * 1979-02-09 1982-12-21 Griswold Controls Backflow prevention apparatus
FR2544832A1 (fr) 1983-04-22 1984-10-26 Bayard Sa Ets Dispositif anti-retour pour reseau d'alimentation en eau

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389412A (en) 1941-09-26 1945-11-20 Carlton Frank Antibackflow and antisiphonage valve
US2491604A (en) 1943-06-22 1949-12-20 Carlton Frank Back siphonage prevention, antibackflow, and vacuum breaking valve
US2503424A (en) 1945-01-15 1950-04-11 Leonard L Snyder Backflow preventer
CH286217A (de) * 1950-07-19 1952-10-15 Benkiser Werk Kommandit Ges Spülventil mit durch Gegendruckkammer gesteuertem Ventilkörper.
US3837358A (en) * 1971-12-06 1974-09-24 Cla Val Co Backflow preventer valve assembly
US3906987A (en) 1974-03-13 1975-09-23 Watts Regulator Co Swing open cross-connection valve
US4044787A (en) 1976-03-19 1977-08-30 Rockwell International Corporation Backflow preventer and relief valve assembly
US4207915A (en) * 1977-09-06 1980-06-17 Amtrol, Inc. Back flow preventer
US4207015A (en) 1978-02-23 1980-06-10 Atencio Francisco J G Self-stabilized hydromotive assembly
DE2854003A1 (de) 1978-03-28 1979-10-11 Amtrol Inc Vorrichtung zur verhinderung des rueckflusses von wasser von einer verbrauchsstelle in eine wasserversorgungsleitung
US4364408A (en) * 1979-02-09 1982-12-21 Griswold Controls Backflow prevention apparatus
DE2930819A1 (de) 1979-07-30 1981-02-05 Amtrol Inc Vorrichtung zur verhinderung des rueckflusses von wasser von einer verbrauchsstelle in eine wasserversorgungsleitung
FR2489469A1 (fr) * 1980-07-21 1982-03-05 Toro Co Appareil empechant l'ecoulement d'un fluide en sens contraire a la normale et comportant une soupape de surete, notamment pour l'alimentation en eau d'une grosse installation d'irrigation de cultures
FR2544832A1 (fr) 1983-04-22 1984-10-26 Bayard Sa Ets Dispositif anti-retour pour reseau d'alimentation en eau

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495372A1 (fr) * 1991-01-12 1992-07-22 Friedrich Grohe Aktiengesellschaft Robinet d'eau
US5213268A (en) * 1991-01-12 1993-05-25 Friedrich Grohe Aktiengesellschaft Sprayer faucet with antibackflow protection
WO1993013273A1 (fr) * 1991-12-23 1993-07-08 Grünbeck Wasseraufbereitung GmbH Obturateur de conduite
EP0573980A1 (fr) * 1992-06-12 1993-12-15 BRANDONI S.p.A. Soupape d'arrête à trois voies notamment pour systèmes de distribution sanitaires
EP0671514A2 (fr) * 1993-11-02 1995-09-13 Kurt Michael Dipl.-Ing. Desch Installation sanitaire d'alimentation et de trop-plein combinés pour baignoires avec inverseur de douche et disconnecteur intégré
EP0671514A3 (fr) * 1993-11-02 1996-03-06 Desch Kurt Michael Installation sanitaire d'alimentation et de trop-plein combinés pour baignoires avec inverseur de douche et disconnecteur intégré.

Also Published As

Publication number Publication date
ATE66989T1 (de) 1991-09-15
EP0339104B1 (fr) 1991-09-04
US4895180A (en) 1990-01-23
DE3864681D1 (de) 1991-10-10

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