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CA1308332C - Dispositif combine d'alarme et de protection contre le refoulement d'eau pour systeme d'extinction automatique - Google Patents

Dispositif combine d'alarme et de protection contre le refoulement d'eau pour systeme d'extinction automatique

Info

Publication number
CA1308332C
CA1308332C CA000612077A CA612077A CA1308332C CA 1308332 C CA1308332 C CA 1308332C CA 000612077 A CA000612077 A CA 000612077A CA 612077 A CA612077 A CA 612077A CA 1308332 C CA1308332 C CA 1308332C
Authority
CA
Canada
Prior art keywords
check valve
valve
arrangement
alarm
inlet
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 - Fee Related
Application number
CA000612077A
Other languages
English (en)
Inventor
George J. Mchugh
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.)
BACK-FLO ALARM VALVE Co Inc
Original Assignee
BACK-FLO ALARM VALVE CO., 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
Priority claimed from US07/335,381 external-priority patent/US4991655A/en
Application filed by BACK-FLO ALARM VALVE CO., INC. filed Critical BACK-FLO ALARM VALVE CO., INC.
Application granted granted Critical
Publication of CA1308332C publication Critical patent/CA1308332C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/072Arrangement of flowmeters
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • A62C35/68Details, e.g. of pipes or valve systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Check Valves (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
CA000612077A 1988-09-21 1989-09-20 Dispositif combine d'alarme et de protection contre le refoulement d'eau pour systeme d'extinction automatique Expired - Fee Related CA1308332C (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US24707388A 1988-09-21 1988-09-21
US247,073 1988-09-21
US25083488A 1988-09-29 1988-09-29
US250,834 1988-09-29
US26931488A 1988-11-10 1988-11-10
US269,314 1988-11-10
US07/335,381 US4991655A (en) 1988-11-10 1989-04-10 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system
US335,381 1989-04-10

Publications (1)

Publication Number Publication Date
CA1308332C true CA1308332C (fr) 1992-10-06

Family

ID=27500245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000612077A Expired - Fee Related CA1308332C (fr) 1988-09-21 1989-09-20 Dispositif combine d'alarme et de protection contre le refoulement d'eau pour systeme d'extinction automatique

Country Status (4)

Country Link
EP (1) EP0445122A4 (fr)
AU (1) AU633513B2 (fr)
CA (1) CA1308332C (fr)
WO (1) WO1990003201A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5297635A (en) * 1988-09-21 1994-03-29 Back-Flo Alarm Valve Co., Inc. Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system
DE19615268A1 (de) * 1996-04-18 1997-10-23 Total Feuerschutz Gmbh Feuerlöschanlage
CN101224327B (zh) * 2007-01-17 2011-06-29 中芯国际集成电路制造(上海)有限公司 一种消防系统湿式报警阀组水流误报消除器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1428645A (en) * 1922-09-12 Insulation
US857321A (en) * 1904-04-06 1907-06-18 Thomas Waltz Globe, angle, and check valve.
US1414723A (en) * 1917-11-17 1922-05-02 Automatic Sprinkler Company Meter alarm valve
GB321085A (en) * 1928-12-03 1929-10-31 Automatic Sprinkler Company Booster pump apparatus for fire extinguishing sprinkler systems
US2505761A (en) * 1946-10-31 1950-05-02 Russell W Gieseler Fire protection automatic sprinkler system
US2558175A (en) * 1947-02-03 1951-06-26 Russell W Gieseler Fire protection automatic sprinkler system
US3837358A (en) * 1971-12-06 1974-09-24 Cla Val Co Backflow preventer valve assembly
SE401278B (sv) * 1976-09-29 1978-04-24 Tour & Andersson Ab Med metinstrument forsedd ventil for strommande medium
US4489746A (en) * 1982-05-28 1984-12-25 Mueller Co. Backflow preventer apparatus

Also Published As

Publication number Publication date
EP0445122A4 (en) 1992-05-13
EP0445122A1 (fr) 1991-09-11
AU4228589A (en) 1990-04-18
WO1990003201A1 (fr) 1990-04-05
AU633513B2 (en) 1993-02-04

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Legal Events

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