EP1852147A1 - Valve pour fonctionnement manuel et automatique d'un extincteur - Google Patents

Valve pour fonctionnement manuel et automatique d'un extincteur Download PDF

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Publication number
EP1852147A1
EP1852147A1 EP06725758A EP06725758A EP1852147A1 EP 1852147 A1 EP1852147 A1 EP 1852147A1 EP 06725758 A EP06725758 A EP 06725758A EP 06725758 A EP06725758 A EP 06725758A EP 1852147 A1 EP1852147 A1 EP 1852147A1
Authority
EP
European Patent Office
Prior art keywords
valve
fire extinguisher
extinguishing agent
seal
manual
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.)
Withdrawn
Application number
EP06725758A
Other languages
German (de)
English (en)
Inventor
Fernando DE LA FUENTE ESCANDÓN
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.)
Fuesca SL
Original Assignee
Fuesca SL
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 Fuesca SL filed Critical Fuesca SL
Publication of EP1852147A1 publication Critical patent/EP1852147A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/62—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
    • A62C13/64—Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive

Definitions

  • the present invention is included within the elements and devices forming part of manual fire extinguishers.
  • manual fire extinguishers generally consist of a metallic container to which a valve is screwed, the opening of which valve is manually actuated, a hose with a projection nozzle and a support. An extinguishing agent and a propellant gas are introduced inside the container.
  • the assembly complies perfectly with its function when it is used but it is completely useless against fires if there is nobody to activate it and is an additional danger due to its possibility of explosion.
  • some high-pressure extinguishers incorporate a pressure/temperature seal releasing the propellant gas thus avoiding the danger of explosion in these situations.
  • Patents PO0434168, EP97101877 , EP96401032 , W9734659 and others referring to new valves and devices for fire extinguishers are known but none of them considers the modification or implementation of a new manual valve that further allows its automatic operation when the fire extinguisher is in the presence of high temperatures or other fire-indicating parameters, i.e. in this situation, it not only releases the propellant gas but it operates by projecting the extinguishing product as if its valve were being actuated manually.
  • the present invention is focused on improving and modifying current valves and setting forth a new valve allowing the proposed operation.
  • the present invention first sets forth modifications further allowing the automatic operation of current valves without interfering in their normal operation.
  • the pressure-sealing mechanism or part (4) is located in the neck (7) screwing the valve to the fire extinguisher so any element behind this part (4) is isolated from the internal pressure of the fire extinguisher.
  • all fire extinguishers incorporate a probe tube (5) screwed internally in the neck (7) of the valve, preventing the propellant gas from being released without first pushing and sweeping along the extinguishing product when the valve is actuated.
  • This probe tube (5) creates an isolated area (8) for the propellant gas and a forced path of the latter such that the gas pushes and sweeps the extinguishing product along in its outlet when the pressure-sealing part (4) of the valve is opened.
  • the gas will also follow this path so that the extinguishing agent is swept along.
  • Example 2 modification which can achieve the same result (figure 3):
  • a conventional valve will simply expel the propellant gas when the fire extinguisher reaches a certain temperature or pressure, the extinguishing agent remaining inside the container of the fire extinguisher and this propellant gas expulsion having no effect against the fire.
  • the new valve may or may not maintain the connection by means of bore (3) joining the space of the container with propellant gas (8) and the space (6) in which the manometer is located, because its only purpose is to prevent the duct allowing the manometer to receive the pressure of the propellant gas from being obstructed in the outlet of the extinguishing agent when the fire extinguisher is actuated manually or automatically.
  • This new valve has the actuation of opening (20) in a direction that is transverse to that of coupling (7) to the container of the fire extinguisher, i.e. according to the axis of the outlet of the gas from the fire extinguisher to the projection hose and with a pressure seal.
  • This arrangement allows creating a space directly connected with the probe tube and if desired, independent or not of the space of the manometer, easily and with minimal machining.
  • This space houses: the sealing mechanism of the valve and the automatic triggering mechanism, the manometer if desired, this manometer being able to be connected to a suitable automatic projection nozzle or to the nozzle of the fire extinguisher if the pressure/temperature seal is located in a bridging of the seal of the valve or in the seal itself of the valve.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP06725758A 2005-02-09 2006-02-06 Valve pour fonctionnement manuel et automatique d'un extincteur Withdrawn EP1852147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200500289A ES2277721B1 (es) 2005-02-09 2005-02-09 Valvula para el funcionamiento automatico de un extintor manual y perfeccionamiento de las existentes para conseguir este funcionamiento.
PCT/ES2006/000048 WO2006084931A1 (fr) 2005-02-09 2006-02-06 Valve pour fonctionnement manuel et automatique d'un extincteur

Publications (1)

Publication Number Publication Date
EP1852147A1 true EP1852147A1 (fr) 2007-11-07

Family

ID=36792903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06725758A Withdrawn EP1852147A1 (fr) 2005-02-09 2006-02-06 Valve pour fonctionnement manuel et automatique d'un extincteur

Country Status (3)

Country Link
EP (1) EP1852147A1 (fr)
ES (1) ES2277721B1 (fr)
WO (1) WO2006084931A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674325A (en) * 1951-07-21 1954-04-06 C O Two Fire Equipment Co Discharge valve for fire extinguishers
US3719231A (en) * 1971-05-14 1973-03-06 K Haggard Attachment for automatic override of manually operated compressed gas fire extinguishers and alarms
US4098343A (en) * 1977-01-19 1978-07-04 Carroll John L Automatically and manually controlled fire extinguisher
CH662950A5 (de) * 1984-03-30 1987-11-13 Johann Georg Mohler Automatisch und von hand ausloesbares tragbares feuerloeschgeraet.
US4567948A (en) * 1985-01-22 1986-02-04 Rozniecki Edward J Fire extinguisher valve
KR100311302B1 (ko) * 1999-11-25 2001-10-18 남윤상 수동 겸용 자동 분사 소화기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006084931A1 *

Also Published As

Publication number Publication date
WO2006084931A1 (fr) 2006-08-17
ES2277721B1 (es) 2008-06-16
ES2277721A1 (es) 2007-07-16

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