DE2149406C3 - Ventil zum Verhindern des Rückflusses - Google Patents

Ventil zum Verhindern des Rückflusses

Info

Publication number
DE2149406C3
DE2149406C3 DE2149406A DE2149406A DE2149406C3 DE 2149406 C3 DE2149406 C3 DE 2149406C3 DE 2149406 A DE2149406 A DE 2149406A DE 2149406 A DE2149406 A DE 2149406A DE 2149406 C3 DE2149406 C3 DE 2149406C3
Authority
DE
Germany
Prior art keywords
valve
chamber
inlet
spring
drain
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
Application number
DE2149406A
Other languages
German (de)
English (en)
Other versions
DE2149406A1 (de
DE2149406B2 (cg-RX-API-DMAC10.html
Inventor
Sebastian David Lawrence Mass. Tine (V.St.A.)
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.)
Watts Regulator Co
Original Assignee
Watts Regulator Co
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 Watts Regulator Co filed Critical Watts Regulator Co
Publication of DE2149406A1 publication Critical patent/DE2149406A1/de
Publication of DE2149406B2 publication Critical patent/DE2149406B2/de
Application granted granted Critical
Publication of DE2149406C3 publication Critical patent/DE2149406C3/de
Expired legal-status Critical Current

Links

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
    • 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
    • F16K17/0473—Multiple-way safety 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • 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
    • Y10T137/2544—Supply and exhaust type
    • 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
    • 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]
    • Y10T137/7838—Plural
    • Y10T137/7842—Diverse types

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
DE2149406A 1970-10-05 1971-10-04 Ventil zum Verhindern des Rückflusses Expired DE2149406C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7805770A 1970-10-05 1970-10-05

Publications (3)

Publication Number Publication Date
DE2149406A1 DE2149406A1 (de) 1972-04-06
DE2149406B2 DE2149406B2 (cg-RX-API-DMAC10.html) 1974-09-19
DE2149406C3 true DE2149406C3 (de) 1975-05-07

Family

ID=22141661

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2149406A Expired DE2149406C3 (de) 1970-10-05 1971-10-04 Ventil zum Verhindern des Rückflusses

Country Status (5)

Country Link
US (1) US3636968A (cg-RX-API-DMAC10.html)
CA (1) CA940797A (cg-RX-API-DMAC10.html)
DE (1) DE2149406C3 (cg-RX-API-DMAC10.html)
FR (1) FR2110974A5 (cg-RX-API-DMAC10.html)
GB (1) GB1364301A (cg-RX-API-DMAC10.html)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH565949A5 (cg-RX-API-DMAC10.html) * 1973-03-05 1975-08-29 Adeola Ag
US3818929A (en) * 1973-04-23 1974-06-25 H Braukmann Reduced pressure backflow preventer valve
US3906987A (en) * 1974-03-13 1975-09-23 Watts Regulator Co Swing open cross-connection valve
DE2418822C2 (de) * 1974-04-19 1982-10-14 Honeywell-Braukmann GmbH, 6950 Mosbach Rückflußverhinderer
DE2424978C2 (de) * 1974-05-22 1985-01-10 Honeywell-Braukmann GmbH, 6950 Mosbach Rohrunterbrecher, insbesondere für Hauswasserleitungen
US4207915A (en) * 1977-09-06 1980-06-17 Amtrol, Inc. Back flow preventer
DE2751468C2 (de) * 1977-11-18 1984-06-28 Honeywell-Braukmann GmbH, 6950 Mosbach Rückflußverhinderer
US4232704A (en) * 1978-03-28 1980-11-11 Amtrol Inc. In line back flow preventer
US4420010A (en) * 1978-03-28 1983-12-13 Amtrol Inc. In-line back flow preventer
US4284097A (en) * 1978-03-28 1981-08-18 Amtrol Inc. In line back flow preventer
US4241752A (en) * 1978-05-30 1980-12-30 Watts Regulator Company Backflow preventer
US4355653A (en) * 1981-05-12 1982-10-26 The Coca-Cola Company Vented check valve
DE3221036C2 (de) * 1981-07-04 1985-01-31 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Vorrichtung zum Absperren und Belüften einer Rohrleitung
WO1989010509A1 (en) * 1988-04-22 1989-11-02 Burnetta Pty. Ltd. Backflow prevention valve
CH681029A5 (cg-RX-API-DMAC10.html) * 1990-03-02 1992-12-31 Karrer Weber & Cie Ag
CH681238A5 (cg-RX-API-DMAC10.html) * 1990-03-23 1993-02-15 Karrer Weber & Cie Ag
US5046201A (en) * 1990-04-16 1991-09-10 Kohler Co. Pressurized flush toilet tank
EP0639675B1 (de) * 1993-08-17 1997-09-24 Kwc Ag Rückflussverhinderer
DE19854951C2 (de) 1998-11-27 2001-11-15 Rudolf Vollmer Systemtrenner
US6397878B1 (en) * 1999-08-05 2002-06-04 Watts Regulator Co. High pressure hose drop backflow/back siphonage preventers
US7021909B1 (en) * 2003-07-16 2006-04-04 Trebor International, Inc. Oscillator for pneumatic pump having single valve
US7784483B2 (en) * 2005-01-21 2010-08-31 Zurn Industries, Llc Backflow preventer
CN2915968Y (zh) 2006-06-08 2007-06-27 上海澳柯林水暖器材有限公司 冲水阀防虹吸装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472933A (en) * 1945-10-22 1949-06-14 Dwight M Anderson Vacuum breaking and dump valve
US3518989A (en) * 1966-02-14 1970-07-07 Henry W Seeler Valve assembly
US3420256A (en) * 1966-02-21 1969-01-07 Berg Mfg & Sales Co Reducing valve for front axle brake cylinders

Also Published As

Publication number Publication date
US3636968A (en) 1972-01-25
DE2149406A1 (de) 1972-04-06
DE2149406B2 (cg-RX-API-DMAC10.html) 1974-09-19
CA940797A (en) 1974-01-29
GB1364301A (en) 1974-08-21
FR2110974A5 (cg-RX-API-DMAC10.html) 1972-06-02

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee