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EP0649326B2 - Installation for fighting fire - Google Patents
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EP0649326B2 - Installation for fighting fire - Google Patents

Installation for fighting fire Download PDF

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Publication number
EP0649326B2
EP0649326B2 EP93914756A EP93914756A EP0649326B2 EP 0649326 B2 EP0649326 B2 EP 0649326B2 EP 93914756 A EP93914756 A EP 93914756A EP 93914756 A EP93914756 A EP 93914756A EP 0649326 B2 EP0649326 B2 EP 0649326B2
Authority
EP
European Patent Office
Prior art keywords
hydraulic system
fire
sprinklers
hydraulic
power source
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 - Lifetime
Application number
EP93914756A
Other languages
German (de)
French (fr)
Other versions
EP0649326B1 (en
EP0649326A1 (en
Inventor
Göran Sundholm
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.)
Individual
Original Assignee
Individual
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=8535570&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0649326(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0649326A1 publication Critical patent/EP0649326A1/en
Publication of EP0649326B1 publication Critical patent/EP0649326B1/en
Application granted granted Critical
Publication of EP0649326B2 publication Critical patent/EP0649326B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • A62C3/10—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in ships

Definitions

  • the present invention relates to a hydraulic system for a unit, such as a ship.
  • US-A-4786239 discloses a pumping system for shipboard use comprising a submersible centrifugal pump driven by a high pressure hydraulic motor mounted directly on the submersible pump.
  • the hydraulic motor is connected by a hose to a hydraulic pump which is located on deck and driven by a standby fire pump.
  • the aim of the present invention is to provide a hydraulic system in a unit which can also be used for fighting fire.
  • the present invention provides a hydraulic system according to claim 1.
  • the water employed in the system of the present invention can include certain additives, for example anti-corrosion additives.
  • the power source of the hydraulic system is preferably a hydraulic pump having a high operating pressure and a high volume capacity.
  • the pump is usually driven by a main power source, such as an electric generator.
  • At least some of the sprinklers or spray heads are connected to a pressure line of the hydraulic system.
  • Some of the sprinklers or spray heads can be connected to a return line of the hydraulic system, the return line being arranged to be closed downstream of the last sprinkler or spray head when the hydraulic system is activated.
  • the subsidiary lines can be utilized for performing certain additional functions essential when a fire has broken out, such as closing fire doors, driving elevators, etc.
  • the regular main power source usually an electric generator
  • an emergency generator often having less power than the regular generator, can be capable of providing sufficient power for fighting the fire and for performing at least a limited number of additional important functions.
  • the main lines can then if necessary be disconnected.
  • the inventive concept can generally be considered to be that the same system is utilized for fire fighting in addition to other regular hydraulic functions.
  • Hydraulic systems in ships and the like generally have a high operating pressure, for example 100 bar or more.
  • the use of sprinklers or spray heads disclosed in International patent application nos. PCT/FI92/00060 and PCT/FI92/00155 (publication nos. WO92/15370 and WO92/20453) is recommended.
  • Those sprinklers and spray heads capable of operating at a high pressure provide effective fire extinguishing with small amounts of water and can be made to produce concentrated fog-like sprays having a good penetration power.
  • the hydraulic system of the present invention can be utilized for spraying a fog of water droplets, having a typical diameter size of from 30 to 150 microns, into the oil tanks for fire extinguishing and cooling, respectively.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Saccharide Compounds (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The object of the present invention is to provide a new installation for fighting fire which is improved over known installations for such units which have a hydraulic system. According to the invention, the hydraulic system is arranged to be driven with water as drive medium, and preferably at least a part of sprinklers or spray heads intended for fighting fire are connected to the power source of the hydraulic system via the pressure line of the hydraulic system. Earlier required double pipe systems and double power sources are no longer necessary; the same system can be utilized for fire fighting as well as for numerous regular hydraulic functions e.g. in a tanker.

Description

  • The present invention relates to a hydraulic system for a unit, such as a ship.
  • In many ships a number of important regular functions are performed by means of a hydraulic system for which oil has been used as the drive medium. In those known ships a separate installation has been used for fighting fire.
  • US-A-4786239 discloses a pumping system for shipboard use comprising a submersible centrifugal pump driven by a high pressure hydraulic motor mounted directly on the submersible pump. The hydraulic motor is connected by a hose to a hydraulic pump which is located on deck and driven by a standby fire pump.
  • The aim of the present invention is to provide a hydraulic system in a unit which can also be used for fighting fire.
  • Accordingly, the present invention provides a hydraulic system according to claim 1.
  • It will of course be understood that the water employed in the system of the present invention can include certain additives, for example anti-corrosion additives. The power source of the hydraulic system is preferably a hydraulic pump having a high operating pressure and a high volume capacity. The pump is usually driven by a main power source, such as an electric generator.
  • In a preferred embodiment at least some of the sprinklers or spray heads are connected to a pressure line of the hydraulic system.
  • Some of the sprinklers or spray heads can be connected to a return line of the hydraulic system, the return line being arranged to be closed downstream of the last sprinkler or spray head when the hydraulic system is activated.
  • Use of the present invention means that double pipe systems and double power sources are not necessary since the same system can be utilized for fire fighting as well as for performing the regular hydraulic functions. In addition to considerable savings in installation hardware and installation work, a significant reduction in weight is also achieved; this being of particular advantage in high-speed ships.
  • In some cases it may be of advantage to connect at least some of the sprinklers or spray heads to the power source through at least one further line separate from the at least one line of the hydraulic system.
  • In such an embodiment the subsidiary lines can be utilized for performing certain additional functions essential when a fire has broken out, such as closing fire doors, driving elevators, etc.. If the regular main power source, usually an electric generator, fails in a fire, an emergency generator, often having less power than the regular generator, can be capable of providing sufficient power for fighting the fire and for performing at least a limited number of additional important functions. The main lines can then if necessary be disconnected.
  • The inventive concept can generally be considered to be that the same system is utilized for fire fighting in addition to other regular hydraulic functions.
  • Hydraulic systems in ships and the like generally have a high operating pressure, for example 100 bar or more. The use of sprinklers or spray heads disclosed in International patent application nos. PCT/FI92/00060 and PCT/FI92/00155 (publication nos. WO92/15370 and WO92/20453) is recommended. Those sprinklers and spray heads capable of operating at a high pressure provide effective fire extinguishing with small amounts of water and can be made to produce concentrated fog-like sprays having a good penetration power.
  • The installation of such sprinklers or spray heads in a hydraulic system is considered to fall within the normal skill of a person skilled in the art and is therefore not described in detail in the present patent application.
  • In an oil tanker the hydraulic system of the present invention can be utilized for spraying a fog of water droplets, having a typical diameter size of from 30 to 150 microns, into the oil tanks for fire extinguishing and cooling, respectively.
  • Although the invention is principally intended to be used in ships and other comparable units, the invention can also be employed in other units of which steel plants and mines are examples.

Claims (7)

  1. A hydraulic system in a unit, the hydraulic system being to drive regular hydraulic functions of the unit and including a drive medium, a power source for driving the drive medium, and a pressure line and a return line for conducting the drive medium through the hydraulic system; characterised in that the drive medium is water and in that the hydraulic system further includes sprinklers or spray heads connected to the power source via the pressure line and optionally the return line, the sprinklers or spray heads utilizing the water of the hydraulic system as a fire-extinguishing medium and being adapted to fight fire in the unit, whereby the hydraulic system can be utilised for fire fighting as well as for the regular hydraulic functions of the unit.
  2. The hydraulic system as claimed in claim 1, wherein at least some of the sprinklers or spray heads are connected to the pressure line of the hydraulic system.
  3. The hydraulic system as claimed in claim 2, wherein at least some of the sprinklers or spray heads are connected to the return line of the hydraulic system, the return line being arranged to be closed downstream of the last sprinkler or spray head when the hydraulic system is activated.
  4. The hydraulic system as claimed in claim 1, wherein at least some of the sprinklers or spray heads are connected to the power source through at least one further line separate from the said pressure line or the said return line of the hydraulic system.
  5. The hydraulic system as claimed in claim 4, wherein the at least one further line is configured to provide a number of functions in the event of a fire, such as closing fire doors.
  6. The hydraulic system as claimed in claim 1, wherein the power source has an operating pressure of at least 100 bar.
  7. The hydraulic system as claimed in claim 6, wherein the power source comprises a high pressure and high volume pump.
EP93914756A 1992-07-03 1993-07-02 Installation for fighting fire Expired - Lifetime EP0649326B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI923092 1992-07-03
FI923092A FI923092A0 (en) 1992-07-03 1992-07-03 ELDSLAECKNINGSANORDNING.
PCT/FI1993/000282 WO1994001179A1 (en) 1992-07-03 1993-07-02 Installation for fighting fire

Publications (3)

Publication Number Publication Date
EP0649326A1 EP0649326A1 (en) 1995-04-26
EP0649326B1 EP0649326B1 (en) 1998-04-01
EP0649326B2 true EP0649326B2 (en) 2006-06-21

Family

ID=8535570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93914756A Expired - Lifetime EP0649326B2 (en) 1992-07-03 1993-07-02 Installation for fighting fire

Country Status (12)

Country Link
EP (1) EP0649326B2 (en)
JP (1) JP3430233B2 (en)
KR (1) KR100314154B1 (en)
AT (1) ATE164526T1 (en)
AU (1) AU671468B2 (en)
CA (1) CA2139352C (en)
DE (1) DE69317779T3 (en)
DK (1) DK0649326T4 (en)
ES (1) ES2113541T5 (en)
FI (1) FI923092A0 (en)
RU (1) RU94046176A (en)
WO (1) WO1994001179A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774298B1 (en) * 1998-02-02 2000-04-07 Gec Alsthom Leroux Naval INSTALLATION FOR THE SUPPLY OF A FIREWATER COLLECTOR AND FOR PUMPING IN A DRYING COLLECTOR, FOR A VESSEL
CN106090065B (en) 2009-11-20 2019-03-29 诺姆·马瑟斯 Hydraulic torque converter and torque amplifier
WO2016065392A1 (en) * 2014-10-27 2016-05-06 Norman Ian Mathers Vehicle fire suppression system
EP3247582B1 (en) 2015-01-19 2024-04-17 Mathers Hydraulics Technologies Pty Ltd Hydro-mechanical transmission with multiple modes of operation and method of operating the same
EP3394395B1 (en) 2015-12-21 2024-04-24 Mathers Hydraulics Technologies Pty Ltd Hydraulic machine with chamfered ring
CN110382822B (en) 2017-03-06 2022-04-12 马瑟斯液压技术有限公司 Hydraulic machine with stepped roller blades and fluid power system including hydraulic machine with starter motor function
CN113653132A (en) * 2021-08-11 2021-11-16 王国保 Fire-fighting pump station

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010349A1 (en) † 1991-11-21 1993-05-27 J.H. Fenner & Co. Limited Water pumps and motors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898805A (en) * 1972-09-14 1975-08-12 Jr Lewis B Good Pump and intensifier unit arrangement for powered tools
US4786239A (en) * 1983-06-15 1988-11-22 Hale Fire Pump Company Pumping system selectably operable as a fire pump or a hydraulic pump
JPH0794673B2 (en) * 1983-06-29 1995-10-11 イー・エフ・ホートン・アンド・カンパニー Aqueous hydraulic fluid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010349A1 (en) † 1991-11-21 1993-05-27 J.H. Fenner & Co. Limited Water pumps and motors

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Aircraft firefighters learn a new drill", New economist, issue 1741, 03.11.1990, p.31 †
"Fire Service develops unique water spear", Airway, 05.12.1990, p.9 †

Also Published As

Publication number Publication date
ES2113541T3 (en) 1998-05-01
CA2139352A1 (en) 1994-01-20
EP0649326B1 (en) 1998-04-01
RU94046176A (en) 1997-02-27
DK0649326T3 (en) 1998-06-02
ATE164526T1 (en) 1998-04-15
JPH07508441A (en) 1995-09-21
AU4503093A (en) 1994-01-31
DE69317779T3 (en) 2006-11-30
FI923092A0 (en) 1992-07-03
DE69317779D1 (en) 1998-05-07
ES2113541T5 (en) 2007-04-01
AU671468B2 (en) 1996-08-29
CA2139352C (en) 2005-08-30
KR100314154B1 (en) 2002-04-24
EP0649326A1 (en) 1995-04-26
WO1994001179A1 (en) 1994-01-20
DE69317779T2 (en) 1998-11-05
DK0649326T4 (en) 2006-10-23
JP3430233B2 (en) 2003-07-28

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