EP3237079B1 - Flüssigkeitsausgabevorrichtung - Google Patents

Flüssigkeitsausgabevorrichtung Download PDF

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Publication number
EP3237079B1
EP3237079B1 EP15820580.7A EP15820580A EP3237079B1 EP 3237079 B1 EP3237079 B1 EP 3237079B1 EP 15820580 A EP15820580 A EP 15820580A EP 3237079 B1 EP3237079 B1 EP 3237079B1
Authority
EP
European Patent Office
Prior art keywords
fluid
outlet port
conduit
fluid outlet
dispensing
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.)
Active
Application number
EP15820580.7A
Other languages
English (en)
French (fr)
Other versions
EP3237079A1 (de
Inventor
William Robert Alistair BROWN
Piotr KUMOR
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.)
Angloco Ltd
Original Assignee
Angloco Ltd
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 Angloco Ltd filed Critical Angloco Ltd
Priority to PL15820580T priority Critical patent/PL3237079T3/pl
Publication of EP3237079A1 publication Critical patent/EP3237079A1/de
Application granted granted Critical
Publication of EP3237079B1 publication Critical patent/EP3237079B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water

Definitions

  • the present invention relates to apparatus and a method for dispensing fluid.
  • the apparatus is configured to provide a plurality of optional dispensing modes including for example a dual mode for dispensing a jet or stream of fluid (e.g. water) and a mist of fluid simultaneously.
  • Certain embodiments of the present invention relate to a hand held branch together with a fixed, e.g. vehicle mounted, nozzle for use in fighting fires.
  • Methods of dispensing fluids e.g. water are also included in the present invention including for example methods of dispensing fluids in a fire-fighting situation.
  • hand held or mounted devices such as nozzles or branches are typically connected to a fluid source (e.g. a source of water or the like), and the device is used to direct the fluid discharged from the source.
  • a fluid source e.g. a source of water or the like
  • the device is typically provided with an on/off mechanism for controlling the discharge of fluid from the nozzle or branch.
  • fire fighting nozzles or branches can be used to dispense a stream of fluid. These branches typically generate relatively large droplets in an annular O-shaped stream. The pattern of dispensed fluid may be varied between a wide spray pattern and a concentrated jet.
  • mist-only branches are known.
  • the mist may be generated in several ways.
  • One such technique is to use high or ultra-high pressure fluid sources to force fluid (e.g. water) through small orifices to atomise the spray.
  • Other methods involve the use of paired interference streams to generate mist.
  • Mist is acknowledged as a more efficient fire-fighting media compared to the relatively larger droplets of a stream dispensed by conventional branches, as the larger surface area to volume ratio of the smaller particles of the mist allow the mist to absorb more energy from the fire.
  • Prior art mist-only systems have several disadvantages associated with their use. In instances when very small orifices are used, they can be prone to blocking.
  • the throw i.e. the distance over which the mist is urged so as to be able to suppress fire
  • the firefighter has to get closer to the fire with a hand held device in order to direct the water onto the fire or fixed systems e.g. systems mounted on vehicles can be limited in their reach. Both situations can be dangerous and potentially life-threatening.
  • Certain embodiments of the present invention aim to provide apparatus which are configured to dispense a fluid mist which is capable of improved throw.
  • Certain embodiments of the present invention aim to provide apparatus which are configured to be switchable between a plurality of dispensing modes when desired by a user.
  • Certain embodiments of the present invention aim to provide a multi-mode hand held or fixed position fire suppression system with at least three modes of operation which can be operated efficiently by a fire-fighter either directly or remotely.
  • apparatus for dispensing fluid at a desired location comprising;
  • the delivery device is a hand-held device.
  • the delivery device is configured to be mounted on a vehicle.
  • the delivery device is configured to be fixed.
  • the first fluid outlet port and the further fluid outlet port are configured to expel liquid, e.g. water, therefrom.
  • the apparatus further comprises a first fluid source and a further fluid source.
  • the first fluid source and the further fluid source comprise a common fluid source.
  • the first fluid source is separate and distinct from the further fluid source.
  • the first fluid source and the further fluid source are each configured to supply a fire-fighting liquid to the respective first and further fluid outlet ports.
  • the fire-fighting liquid is water.
  • the delivery device is operable to dispense fluid in a plurality of dispensing modes.
  • the delivery device comprises a first actuating member operably connected to the first control member to selectively connect or disconnect the first fluid source to the first fluid outlet port.
  • the first fluid communication pathway comprises a first conduit and wherein the first control member comprises a first valve member provided in the first conduit.
  • the first valve member is moveable between an open position and a closed position to selectively connect the first fluid source to the first fluid outlet port.
  • the delivery device comprises a pistol-like body.
  • the first actuating member is a trigger member and the first valve member is moveable between the open position and the closed position by actuation of the trigger member.
  • the delivery device comprises a generally elongate body.
  • the first valve member is moveable between the open position and the closed position by actuation of a non-trigger first actuation member e.g. a handle member.
  • the device comprises a further actuating member operably connected to the further control member to selectively connect or disconnect the further fluid source to the further fluid outlet port.
  • the further fluid communication pathway comprises a further conduit and wherein the further control member comprises a further valve member provided in the further conduit.
  • the further valve member is moveable between an open position and a closed position to selectively connect the further fluid source to the further fluid outlet port.
  • the further valve member comprises a first portion comprising a first through bore and a further portion comprising a further through bore.
  • the further valve member is rotatable between an open position in which the first through bore and further through bore are each axially aligned with a respective longitudinal axis of an annular portion of the further conduit and a closed position in which the first through bore and the further through bore are provided generally perpendicular to a respective longitudinal axis of an annular portion of the further conduit.
  • the further valve member comprises a central portion having a smaller diameter than the first portion and the further portion.
  • the central portion connects the first portion and the second portion.
  • the narrowed central portion is locatable in the first conduit.
  • the narrowed portion is configured to permit fluid to be dispensed through the first conduit when the further valve member is either in an open position or a closed position with respect to the further conduit.
  • the first valve member comprises a central portion comprising a first central through bore, wherein the central portion is locatable in the first conduit.
  • the first valve member is rotatable between an open position in which the first central through bore is axially aligned with a longitudinal axis of the first conduit and a closed position in which the first central through bore is provided generally perpendicular to a longitudinal axis of the first conduit.
  • the first valve member comprises a first narrowed portion and a further narrowed portion, the first narrowed portion and the further narrowed portion being connected by the central portion.
  • the first narrowed portion and the further narrowed portion each have a diameter which is smaller than a diameter of the central portion.
  • the first narrowed portion and the further narrowed portion are locatable in a respective annular portion of the further conduit.
  • the narrowed portions are configured to permit fluid to be dispensed through the annular portions of the further conduit when the first valve member is in both an open position and a closed position with respect to the first conduit.
  • the delivery device comprises a body and the further actuating member is a handle member.
  • the handle member is actuatable to selectively move the valve member between the open position and the closed position.
  • the body is a pistol-like body.
  • the handle member is pivotably connected to the further valve element and rotation of the handle member around a pivot axis selectively connects the further fluid source to the further fluid outlet port.
  • the delivery device comprises a body portion and wherein the further control member comprises a rotatable sleeve member mounted on the body portion.
  • first conduit and the further conduit are coaxially arranged.
  • first conduit and the further conduit are provided in a generally parallel arrangement.
  • first and/or the further conduit are provided with at least one bend.
  • the further fluid outlet port is annular and entirely surrounds said first fluid outlet port.
  • the outer mist pattern may provide a protective barrier between a fire and a user of the device.
  • the mist pattern comprises fluid droplets having an average diameter less than about 100 ⁇ m e.g. less than 65 ⁇ m e.g. less than 45 ⁇ m.
  • the droplets of the mist pattern have an average diameter of less than about 1 ⁇ m.
  • the device comprises a body portion which accommodates at least a portion of the first fluid communication pathway and at least a portion of the further fluid communication pathway.
  • the device further comprises a grip member which extends from the body portion.
  • the handle member extends from the body portion.
  • the device further comprises a pattern sleeve rotatably coupled to the body portion, and wherein the first dispensing mode may comprise a plurality of patterns, the pattern of fluid being established by the rotational position of the pattern sleeve with respect to the body.
  • the further control member comprises a control sleeve rotatably coupled to the body portion.
  • the control sleeve and the pattern sleeve are the same.
  • the device further comprises a flow rate control element.
  • the device further comprises at least one filter element.
  • the filter element prevents blocking of one or more orifices of the first fluid outlet port.
  • the device further comprises a filter element positioned in an inlet region of the first fluid communication pathway.
  • the filter element comprises a mesh which comprises a plurality of pores each having a diameter which is smaller than a diameter of one or more orifices provided by the first fluid outlet port.
  • the filter element acts to prevent material of a size which may clog the orifices of the first fluid outlet port from travelling to the first fluid outlet port.
  • the filter element may be flushed of trapped material by a flow of fluid in the second fluid communication pathway adjacent thereto.
  • Certain embodiments thus provide a way of dislodging material e.g. particulate debris, from one or both fluid communication pathways which may otherwise block the pathway thus preventing fluid e.g. water from exiting the device. Certain embodiments may therefore provide a device which is less likely to malfunction in potentially dangerous fire-fighting situations.
  • material e.g. particulate debris
  • the further fluid outlet port is a second fluid outlet port and wherein the device comprises a third fluid outlet port which at least partly surrounds the second fluid outlet port.
  • the further fluid communication pathway is a second fluid communication pathway and the further fluid source is a third fluid source and wherein the device further comprises a third fluid communication pathway which is for connecting the third fluid communication pathway to the third fluid source.
  • the third fluid source may be separate from the first and second fluid sources or may be a common fluid source.
  • the further dispensing mode is a second dispensing mode and the third fluid outlet port is configured to provide a third dispensing mode.
  • the third dispensing mode provides a pattern selected from a mist pattern, a spray pattern or a jet pattern.
  • the device is a fire branch or a fire nozzle.
  • the device is for dispensing one or more fire-fighting fluids.
  • the fire-fighting fluid is water.
  • a method of fighting a fire comprising the steps of: selectively dispensing fluid from a delivery device at a desired location where a fire is located via a selected one of at least three possible modes of dispensing, comprising:
  • the method further comprises: selecting said a selected one mode of operation by selectively actuating one or both of a first control member and a further control member of the delivery device.
  • the spray is a frusto-conical spray.
  • the fluid delivered via the at least one annular fluid outlet port is adjustable between the jet and the spray.
  • the jet is a solid stream of fluid.
  • the fluid is water.
  • the delivery device is the delivery device as described herein.
  • the central fluid outlet port is a first fluid outlet port as described herein.
  • the annular fluid outlet port is a further fluid outlet port as described herein.
  • Certain embodiments of the present invention provide a device e.g. a branch with only two hand operated selection actuators which can provide a spray or jet pattern alone or a mist pattern alone or both a spray or jet pattern and mist pattern simultaneously in which a mist pattern is entrained via a surrounding spray or jet pattern to enhance the throw and effect of the mist.
  • a device e.g. a branch with only two hand operated selection actuators which can provide a spray or jet pattern alone or a mist pattern alone or both a spray or jet pattern and mist pattern simultaneously in which a mist pattern is entrained via a surrounding spray or jet pattern to enhance the throw and effect of the mist.
  • Certain embodiments of the present invention provide a device, e.g. a monitor or a turret, which is mounted on a vehicle or is deployed from the ground.
  • a device e.g. a monitor or a turret
  • the device is configured to provide a single mode of fluid dispensing.
  • a user may wish to dispense a fluid in a mist-only mode or a jet-only mode.
  • the device of certain embodiments described herein provides the advantage that a single device can be used to dispense fluid in multiple dispensing patterns.
  • the same device can be used to dispense fluid in a different mode when for example the situation changes.
  • a mist may be appropriate to begin with but environmental conditions may change e.g. there may be an increase in wind speed which would make a mist less effective and therefore a jet mode of dispensing becomes more appropriate.
  • the user can operate the control members of the device of certain embodiments to switch from one mode of dispensing to another without having to change to a different device or to change fluid sources.
  • apparatus for delivering a fluid or a powder at a desired location comprising:
  • the fluid is a gas.
  • the apparatus comprises a hose, connectable to the fluid delivery device, comprising a first hose conduit and a further hose conduit each having a substantially cylindrical shape when fluid is communicated along a length of the hose.
  • the first fluid delivery conduit is integrally formed with a hose conduit.
  • the further fluid delivery conduit is integrally formed with a further hose conduit, wherein the first hose conduit is provided within the further hose conduit.
  • the first fluid source and the further fluid source are co-axially arranged.
  • the first hose conduit and the further hose conduit are each flexible and collapsible.
  • the first and further hose conduit are manufactured from a reinforced rubber or reinforced plastic material.
  • the hose comprises an outer layer manufactured from a metal e.g. steel or aluminium.
  • the apparatus comprises:
  • Certain embodiments of the invention provide an apparatus which is capable of delivering one or more, e.g. two fluids, to a target location.
  • a first fluid can be dispensed via the first fluid outlet port and a further fluid can be dispensed via the further fluid outlet port.
  • the fluids may be different or the same.
  • the first fluid and the second fluid may be dispensed essentially simultaneously or may be dispensed sequentially.
  • the first or further fluid is water.
  • the water comprises one or more additives.
  • additives include for example, a surfactant, a gelling agent, a foam composition and/ or an abrasive material.
  • the fluid may be a gas such as for example carbon dioxide.
  • the gas is air.
  • the apparatus is for delivering a powder to a desired location.
  • Certain embodiments of the present invention provide a multi-mode fluid dispensing system for wholly or at least partially extinguishing fire at a desired location.
  • Certain embodiments of the present invention may provide a hand held fluid delivery device (e.g. a branch) which can provide any one of at least three different and distinct modes of operation via a convenient to use selection system.
  • the delivery devices is pistol-like.
  • the co-axial arrangement of the apparatus of certain embodiments enables a single hose or other fluid source to be used to dispense two or more fluids from a device.
  • a single hose or other fluid source to be used to dispense two or more fluids from a device.
  • two or more hoses which can be unwieldy and heavy for a user to manoeuvre and handle, can be avoided. This may be particularly important in potentially dangerous situations such as fire-fighting situations in which fire-fighters must be able to move quickly in response to changes in their environment and the fire they are trying to extinguish.
  • the fluid is water.
  • a vehicle comprising an apparatus as described herein.
  • the vehicle is a fire-engine or fire truck.
  • the vehicle is a marine vehicle e.g. a ship.
  • the apparatus is for dispensing fire-fighting fluid.
  • the fire-fighting fluid is water.
  • the fluid source may be a source of a combination of a foam composition and water.
  • the apparatus is for dispensing a water-foam mixture.
  • Fire-fighting foam compositions are well known in the art and may be for example protein-based compositions or synthetic foam compositions.
  • the device may be for dispensing a water-additive composition.
  • the apparatus comprises a device as described herein.
  • the device may be a hand-held device such as for example a branch or a nozzle.
  • a delivery device is a branch, a turret, a monitor or a nozzle.
  • the device is a branch.
  • the term "branch" is well-known in the art.
  • the device is a mounted or fixed structure device such as for example, a turret or a monitor.
  • the device may be positioned on a surface and operated automatically without the need for a fire-fighter.
  • the device may be mounted to a vehicle for example or a ship and operated therefrom.
  • the apparatus further comprises a fluid source connected to the device.
  • the fluid source may be a water source for example.
  • the device may be actuated using a variety of different actuation methods, including manual, electric, hydraulic, or radio frequency controlled or the like.
  • the fluid is dispensed in a dispensing pattern.
  • dispensing pattern and “pattern” is used to describe the pattern generated by the fluid being dispensed.
  • the dispensing pattern may be for example a jet pattern.
  • a jet pattern is formed when relatively large droplets or a solid stream of fluid are dispensed from the device in a confined manner.
  • the droplets dispensed in a jet pattern may have an average diameter of greater than about 100 ⁇ m e.g. about 150 ⁇ m, 200 ⁇ m, 300 ⁇ m, 400 ⁇ m or greater or be in a solid stream.
  • the term "average diameter" is the average diameter of at least about 90% of the droplets being dispensed in a particular dispensing mode.
  • a spray pattern is formed when relatively large droplets of fluid are dispensed from the device in
  • the droplets dispensed in a spray pattern may have an average diameter of greater than about 100 ⁇ m e.g. about 150 ⁇ m, 200 ⁇ m, 300 ⁇ m, 400 ⁇ m or greater.
  • a mist pattern is formed when small droplets of fluid are dispensed from the device.
  • the term "small” may be relative to the size of droplets generated in a jet or spray pattern.
  • the size of fluid droplets dispensed in a mist pattern may be determined according to the type of device.
  • a hand held device may be configured to dispense mist in which the fluid droplets have an average diameter of less than about 100 ⁇ m e.g. 90 ⁇ m, 80 ⁇ m, 70 ⁇ m or 60 ⁇ m.
  • the mist droplets have an average diameter of between less than about 1 ⁇ m to about 60 ⁇ m.
  • Mist droplets dispensed by a device larger than a hand held branch e.g. a monitor or turret may have a greater average diameter.
  • the mist droplets have an average diameter greater than about 100 but less than about 1000 ⁇ m.
  • the device is configured to simultaneously dispense fluid in both a mist pattern and spray pattern.
  • the fluid is dispensed as a mist from the first outlet port which is provided inside an annular further outlet port.
  • a spray or jet is dispensed from the annular further outlet port which is provided around the outlet perimeter of the first outlet port.
  • the spray or jet acts to entrain the mist which increases the distance the mist may travel.
  • certain embodiments of the present invention may allow users, i.e. fire-fighters to be positioned further away from a fire than prior art mist-only branches would allow.
  • the water source may deliver water to the device at a pressure ranging from about 2 bar to about 1000 bar or more.
  • the fluid source may provide the fluid at a high or ultra-high pressure.
  • high pressure may be considered to be between about 20-50 Bar.
  • very high pressure is between about 50-100Bar and ultra-high pressure may be greater than 100Bar.
  • the device is adapted to receive fluid, e.g. water, at two or more different pressures.
  • the water source delivers water at two or more pressures.
  • the water source is a plurality of water sources.
  • a device e.g. a branch 1 is shown in Figure 5 .
  • the device 1 comprises a body portion 3 which includes an outlet region 5.
  • the device also includes an inlet region 7 which connects the device to a fluid source (not shown).
  • the device may be configured to connect at its inlet region to one or more than one fluid sources.
  • the device may be connectable to two fluid sources simultaneously such as a high pressure or ultra-high pressure fluid source as well as a low pressure source.
  • the connection may be a coaxial connection as described further below.
  • the device also includes a grip member 9 for a user to hold the device.
  • the grip member extends downwardly from the body portion 3.
  • the grip member may be a pistol-type grip, as shown in Figure 5 .
  • Other types of grip or handles are envisaged and encompassed by certain embodiments of the present invention.
  • the device also includes a handle member 11.
  • the handle member 11 extends generally upwardly from the body portion.
  • the handle member is pivotably mounted on an external surface of the body portion and thus rotatable by a user.
  • the handle member is a bale arm control member.
  • the handle member may be used to selectively control flow of a fluid from a fluid source to the outlet region. Further details of the control members are provided below.
  • the device may also include a further control element for example a control member 13.
  • the control member 13 as shown in Figure 5 is a trigger control member.
  • the trigger control member is connected to one or more further control members housed in the body portion, as described in more detail below.
  • the outlet region of the device can be seen in detail in Figure 1 for example.
  • the outlet region comprises a first fluid outlet port 15 which has an outer surface 16.
  • the first fluid outlet port 15 has a circular cross section and is generally solid.
  • the first fluid outlet port is in fluid communication with a first conduit as shown in Figure 6 for example.
  • the first fluid outlet port comprises an outer surface 16 which includes a plurality of small orifices 19 for dispensing fluid therefrom.
  • the orifices may be provided in a paired orientation, as shown in Figure 1 for example.
  • the pairs of orifices may provide an interference pattern to fluid being dispensed from the first fluid outlet port, thus forming a mist of fluid.
  • the first fluid outlet port may comprise one or more orifices sized to atomise fluid being dispensed therefrom.
  • the first fluid outlet port may comprise a central bore in place of having an essentially solid surface as described above.
  • a misting tip element may be secured in place above the outer surface of the first fluid outlet port.
  • the first fluid outlet port may comprise a screw thread which corresponds to a screw thread provided on the misting tip element in order to removably secure the misting tip element to the first fluid outlet port.
  • the misting tip element may be secured to the first fluid outlet port by a bayonet fitting.
  • the misting tip element may comprise one or more orifices for dispensing fluid from the first conduit, the orifices being sized and shaped to dispense the fluid in a mist.
  • the outlet region further comprises a second fluid outlet port 21.
  • the second (or further) fluid outlet port 21 is annular and surrounds the first fluid outlet port, as shown in Figure 1 and Figure 5 for example.
  • the second fluid outlet port has an annular cross-sectional area.
  • the second fluid outlet port is provided around an outer periphery of the first fluid outlet port.
  • the second fluid outlet port may be separated from the first fluid outlet port by a solid annular region 23.
  • the outlet region may also include a collar 25.
  • the collar 25 provides an outer longitudinal surface of the outlet region.
  • the collar is rotatable and, when rotated, slides a sleeve longitudinally downstream from a distal end of the outlet region. Sliding the sleeve when a fluid is being provided to the device switches the dispensing mode of the second outlet port between a jet and a spray.
  • rotation of the collar can also control fluid flow to the second outlet port and therefore can either prevent or enable fluid from being dispensed from the second outlet port, depending on the direction of rotation.
  • the collar and sleeve together form a further or second control member as described herein, the sleeve being rotatable to between an "off" position in which fluid is not dispensed and an "on” position in which fluid is dispensed.
  • the second outlet port may further comprise an annular structure comprising a plurality of spaced apart tooth elements 140 as shown in Figure 9 for example.
  • the annular structure may be positioned around the outer perimeter of the first outlet port and extend outwardly from the distal surface of the outlet region.
  • the tooth elements may spin during use to break up droplets of fluid exiting the second fluid outlet port. This acts to reduce droplet size of the fluid exiting the second fluid outlet port and may also result in the fluid being dispensed in a wider angle of divergence.
  • the teeth may be bevelled or angled so the water exerts an uneven pressure in order to spin the annular structure.
  • Each tooth element is secured to or is an integral part of the annular structure which is located in a recessed ring groove region located within the distal surface of the fluid outlet region.
  • the annular structure may be fixed and may not spin.
  • the device provides one or more fluid communication pathways.
  • the device comprises a first conduit 27 providing a bore, as shown in Figure 6 .
  • Figures 6 to 8 illustrates the control members and fluid flow control of various embodiments of the present invention and are not to scale.
  • the first conduit 27 has a first end 29 which is proximal to, and connectable, to a fluid source.
  • the first conduit 27 may comprise a filter element (not shown) at its first (inlet) end.
  • the first conduit 27 terminates at an opposing end at the outlet region and is in fluid communication with the first fluid outlet port.
  • the first conduit connects the first fluid outlet port with a fluid source such that fluid is delivered to the first fluid outlet port and dispensed.
  • the embodiment shown in Figure 6 illustrates a first conduit which comprises at least one bend therein.
  • the first conduit may comprise a curve or bend in it in order to accommodate a control member provided in the second conduit as described below.
  • the first conduit may be housed entirely within the body portion or alternatively at least a portion of the first conduit may be housed outside the body portion.
  • the first conduit comprises one or more control members for selectively controlling the flow of fluid from the fluid source to the first fluid outlet port.
  • an exemplary control member comprises a valve element 33.
  • the valve element 33 can be for example a ball valve.
  • the valve element 33 can be moved between an open position and a closed position by operation of the trigger member 13 (shown in Figure 5 ).
  • the trigger member when the trigger member is in a first position, the valve is in a first position e.g. an open position.
  • the trigger member is in a second position, i.e. when it has been actuated and moved towards (or away from) the grip member, the movement of the trigger member moves the valve into a second position e.g. a closed position.
  • movement of the trigger member between the first position and the second position may act to control the flow rate of the fluid.
  • the valve element When the valve element is in a closed position, fluid is prevented from flowing to the first fluid outlet port and therefore is not dispensed.
  • the valve element 33 may be for example a ball valve, as shown in Figure 6 .
  • the ball valve comprises a ball with a bore 39 extending through its diameter.
  • the bore 39 is generally axially aligned with the longitudinal axis of the conduit 27 so as to allow fluid to pass along the conduit.
  • the valve is moved to a closed position, e.g. by actuation of the trigger member and the ball is rotated so that the hole is no longer aligned with the longitudinal axis of the conduit. Instead, the hole is generally perpendicular with the longitudinal axis of the conduit and therefore fluid is not permitted to flow along the conduit.
  • valve element is formed from any suitable material such as for example stainless steel.
  • valve element 33 is operated by movement of an alternative control member in place of the trigger, for example, a handle member as described herein.
  • the device further comprises a second conduit 35 comprises a control element for controlling flow of a fluid in the second conduit.
  • the second conduit may be housed with the body portion of the device.
  • the conduits are constructed from aluminium alloy, bronze or a composite material.
  • the control element comprises a second valve element 37.
  • the second valve element may be a ball valve comprising a through bore 41 as described above in respect of the first valve element.
  • rotation of the ball valve 37 controls the flow of fluid to the second fluid outlet port.
  • the second control element may further comprise an element which can be actuated so as to move the second valve element between an open position and a closed position. In one embodiment, movement of the second valve element between an open position and a closed position is controlled by movement of the handle member 11. In alternative embodiments, the second valve element may be actuated by an alternative control member for example a trigger member 13. In this embodiment, the first valve element may be actuated via a control member other than the trigger member.
  • the first valve element provided in the first conduit is in a closed position and the second valve element is in an open position.
  • fluid is only permitted to flow from a fluid source along the second conduit to the second fluid outlet port.
  • the device dispenses fluid in a jet or spray pattern.
  • the dispensing pattern which forms as a result of the arrangement of Figure 6 is shown in Figure 2 . Rotation of the collar alters the dispensing pattern between a jet and a spray pattern as required.
  • Figure 7 illustrates an embodiment in which the first valve element is in an open position thus permitting flow of a fluid along the first conduit from a fluid source to the first fluid outlet port.
  • the second valve element is in a closed position and therefore fluid is blocked from flowing to the second outlet port.
  • fluid is dispensed from the first fluid outlet port only.
  • the first fluid outlet port is configured to dispense fluid in a mist pattern and therefore only mist is dispensed.
  • the dispensing pattern formed from this arrangement is shown in Figure 3 .
  • Figure 8 illustrates an embodiment in which both the first and the second valve elements are in an open position and as such fluid flows along the first and the second fluid conduits to the respective fluid outlet ports.
  • the device simultaneously dispenses fluid in two different dispensing patterns, one of which is a mist pattern.
  • This arrangement provides the advantage that the mist once dispensed is constrained by the jet or spray and therefore may travel a greater distance compared to mist dispensed without an outer "O-spray" of a jet or spray of fluid.
  • the dispensing patterns formed from this arrangement are shown in Figure 4 .
  • Figure 9 illustrates an alternative embodiment in which the device 100 comprises a body portion 110 in which the first valve element (not shown) is actuated by a handle member 120.
  • the handle member is pivotably mounted on the body portion.
  • the handle member actuates a valve element in the first conduit to control flow of fluid from a fluid source (not shown) to the first fluid outlet port 140.
  • the first fluid outlet port is configured to dispense fluid in the form of mist, as described above.
  • Control of fluid from the fluid source to a second fluid outlet port 150 is controlled by a control member comprising a rotatable collar 160. Rotation of the collar changes the dispensing pattern of fluid being dispensed from the second fluid outlet port between a jet and a spray pattern as well as controlling flow between "on” and "off".
  • the device 1, 100 may further comprise a flow rate control element.
  • the flow rate control element may be for example an adjustable collar 180 which is mounted circumferentially on the body portion.
  • the device may further comprise a pressure reducing or pressure balancing valve which may be provided in the first and/or further fluid communication pathway (not shown).
  • Pressure reducing valves are known in the art.
  • Figures 6 to 8 illustrate an embodiment in which the first conduit and the further conduit are provided in a generally parallel and separate relationship along at least a portion of their respective lengths.
  • the first and the second conduits may be co-axially arranged.
  • a co-axial arrangement of the first and further conduits is described below with reference to Figure 10 and Figure 11 .
  • a fluid delivery device comprising at least a first fluid outlet port and at least a further fluid outlet port.
  • the first fluid delivery conduit provides a central bore for communicating a first fluid from a first fluid source to said first fluid outlet port.
  • the device also comprises a further fluid delivery conduit, coaxial with the first fluid delivery conduit for at least a portion of a length of the first fluid delivery conduit, defining an annular passage between the first and further fluid delivery conduits for communicating a further fluid to said further fluid outlet port.
  • one or more of the fluids may be replaced by a powder.
  • one or more of the fluids may be replaced by a gas.
  • a first fluid delivery conduit 200 is positioned inwardly from a second fluid delivery conduit 210.
  • the first fluid delivery conduit provides a bore for a first fluid 220 to flow through.
  • a second fluid 230 flows between an outer surface of the first fluid delivery conduit 200 and an inner surface of the second fluid delivery conduit.
  • co-axial arrangement shown in Figure 10 may be applicable to devices other than the apparatus for delivering a fluid described herein.
  • Figure 11 illustrates the arrangement depicted in Figure 10 in a device for dispensing fluids as described herein.
  • a first conduit 300 provides a bore along which fluid may flow. As illustrated the first conduit is in fluid communication with a first fluid outlet port 310.
  • a second conduit 320 is in fluid communication with a second fluid outlet port 330 which is annular and dispenses fluid in an "O-shaped" jet or stream.
  • the first conduit 300 and the second conduit 320 are integrally formed with a hose conduit (not shown) along which one or more fluids can travel.
  • the hose conduit may comprise a corresponding co-axial arrangement such that only a single hose conduit is required to provide two fluid pathways and therefore can be used to provide two fluids simultaneously.
  • the first and second conduits are in a co-axial relationship along only a portion of their length.
  • the first conduit comprises a curve or a bend to accommodate the valve provided in the second conduit.
  • the first and second conduits are in a co-axial arrangement along their respective lengths.
  • FIGS 12 to 15 A further embodiment is shown in Figures 12 to 15 .
  • the device 1000 comprises a housing 1005 and a pistol grip handle 1010 as described above.
  • the device also comprises a first conduit 1020 which is provided in a co-axial arrangement with a second conduit 1030.
  • the second conduit at least partially surrounds the first conduit.
  • the first conduit connects a first fluid supply (not shown) to a first outlet port 1040.
  • the second conduit connects a further fluid supply (not shown), which may be the same as the first fluid supply or different, to a second fluid outlet portion 1050.
  • the device may comprise a first handle 1060 which is rotatably connected to the housing about an axis which is at a right angle to the flow path of the device.
  • the first handle is connected to a control element 1070 according to certain embodiments of the invention.
  • the control element 1070 is located within the first conduit and the second conduit and is provided to control e.g. allow, reduce or prevent flow of fluid along one or both of the first and second conduits.
  • the control element is shown in more detail in Figures 16, 17 and 22 .
  • the control element 1070 comprises a first cylindrical element 1080 comprising a through bore 1090 which is locatable in a first portion of the second conduit.
  • the control element also includes a second cylindrical element 1110 locatable in a portion of the second conduit which is provided on an opposing side of the first conduit.
  • the second cylindrical element comprises a through bore 1120 locatable in the second conduit.
  • the control element additionally includes a third cylindrical portion 1130 which is locatable in the first conduit.
  • the third cylindrical portion 1130 comprises a narrowed waist portion 1140.
  • the first cylindrical portion, the second cylindrical portion and the third cylindrical portion may be integrally formed.
  • the control element also comprises a pair of lugs 1150, 1160 which are located in corresponding recesses 1170, 1180 in the housing.
  • the lugs are connected to the first handle such that when the handle is actuated i.e. rotated, the flow control element is also rotated.
  • Figure 16 shows the control element in a first position in which the first and second cylindrical elements are positioned such that their respective through bores are perpendicular to the long axis of the second conduit.
  • the side walls of the cylindrical elements are located within the lumen of the second conduit to block fluid flow along the second conduit.
  • the third cylindrical element 1140 comprises a narrowed waist portion which is smaller than area of the lumen of the first conduit and therefore which allows fluid flow past the control element in the first conduit.
  • the control element prevents fluid flow along the second conduit but allows fluid flow along the first conduit.
  • Fluid may be emitted in the form of a jet, a spray or a mist depending on the control of fluid droplet size provided (as described above).
  • Figure 14B illustrates the positioning of the handle.
  • a second handle 1190 is provided which control flow of fluid in the first conduit.
  • the second handle is provided downstream from the first handle, although it is envisaged that in other embodiments the second handle may be upstream from the first handle.
  • the second handle is rotatably connected to the housing and to a second control element 1200.
  • the second control element comprises a first cylindrical element 1210 positioned in a first portion of the second conduit and a second cylindrical element 1220 positioned in a second portion of the second conduit.
  • Each of the first cylindrical element and the second cylindrical element comprise a narrowed waist portion which has a diameter that is less than the diameter of the respective portions of the second conduit. As a result, fluid is permitted to flow along the second conduit and past the narrowed waist portion towards the second outlet port.
  • the second control element additionally comprises a third cylindrical portion 1230 which comprises side walls defining a through bore.
  • Figure 13A and 13B illustrate a dispensing mode in which the second handle is rotated to a position which rotates the second control element and causes the through bore of the third cylindrical element to be positioned perpendicular to the long axis of the first conduit.
  • the third cylindrical element prevents fluid from flowing past in the first conduit and therefore no or minimal fluid is expelled from the first fluid outlet port.
  • the first and second cylindrical element allow fluid to pass due to the respective narrowed waist portions. Whether fluid passes through to the second fluid outlet port will depend on whether the first control element is positioned to allow fluid to pass, as described above.
  • the embodiment shown in Figures 12 to 15 provides a plurality of dispensing modes depending on actuation of the first and/or second handles.
  • the device may be in a dual dispensing mode in which fluid is expelled from both the first and the second fluid outlet ports.
  • the device may be in a single dispensing mode in which fluid is permitted to pass to either the first fluid outlet port or the second fluid outlet port.
  • a yet further dispensing mode is provided in which fluid is prevented from passage to both the first and the second fluid outlet ports.
  • a device 2000 according to certain embodiments is shown in Figures 18 to 21 in which control of fluid flow along the first conduit 2005 is controlled by a trigger element 2010.
  • the trigger element 2010 is mounted on the housing and is connected or integrally formed with a valve element provided in the first conduit 2005. Movement of the trigger e.g. in a linear direction towards or away from the pistol grip moves the valve element 2020 within the lumen of the first conduit.
  • the valve element 2020 comprises an elongate portion 2040 and a ball like portion 2050.
  • the lumen of the first conduit may comprise an inner surface having a constricted region 2060. The lumen of the first conduit has a smaller diameter at the constricted region than at the adjacent regions of the conduit.
  • Figure 19B shows the device in a dispensing mode in which the valve element 2020 is moved away from the constricted region thus allowing fluid delivery via the first conduit.
  • Actuation of the trigger in an opposing direction e.g. a result of a release of pressure on the trigger by a user, causes the valve element to move towards the constricted region.
  • the valve element abuts the constricted region causing flow of fluid past the constricted region of the first conduit to be restricted and therefore fluid does not flow to the first fluid outlet port to be expelled.
  • Trigger-operated mechanisms are known in the art and other arrangements are envisaged.
  • control system comprising the trigger and the valve element may be provided in combination with a handle system as described above to control fluid flow in a second conduit.
  • a handle 2070 can be actuated to restrict or allow fluid flow along a second conduit 2080 whilst the trigger element can be actuated to restrict or allow fluid flow along a first conduit.
  • the device of Figures 18 to 21 may offer a plurality of dispensing modes, which a user can choose depending on environmental conditions.

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Claims (15)

  1. Vorrichtung zum Ausgeben von Fluid an einer gewünschten Stelle, umfassend;
    eine Zuführvorrichtung (1, 100, 1000, 2000) umfassend:
    einen ersten Fluidkommunikationsweg (27, 200, 300, 1020, 2005) und einen weiteren Fluidkommunikationsweg (35, 320, 1030, 2080);
    mindestens eine erste Fluidauslassöffnung (15, 310) und mindestens eine weitere Fluidauslassöffnung (21, 150, 330, 1050), die die erste Fluidauslassöffnung zumindest teilweise umgibt, wobei der erste Fluidkommunikationsweg zum Verbinden von jeder ersten Fluidauslassöffnung mit einer ersten Fluidquelle ist, und der weitere Fluidkommunikationsweg zum Verbinden von jeder weiteren Fluidauslassöffnung mit einer weiteren Fluidquelle ist;
    ein erstes Bedienelement (11, 33) zum selektiven Verbinden der ersten Fluidquelle mit der ersten Fluidauslassöffnung; und
    ein weiteres Bedienelement (13, 25, 37, 160) zum selektiven Verbinden der weiteren Fluidquelle mit der weiteren Fluidauslassöffnung;
    wobei die erste Fluidauslassöffnung konfiguriert ist, um Fluid in einem ersten Ausgabemodus auszugeben, und wobei die weitere Fluidauslassöffnung konfiguriert ist, um Fluid in einem weiteren Ausgabemodus auszugeben;
    dadurch gekennzeichnet, dass die Zuführvorrichtung selektiv ein Sprüh- oder Strahlmuster allein oder ein Nebelmuster allein, oder sowohl ein Sprüh- oder ein Strahlmuster als auch ein Nebelmuster gleichzeitig bereitstellen kann, bei dem ein Nebelmuster über ein umgebendes Sprüh- oder Strahlmuster mitgeführt wird, um den Auswurf des Nebels zu verstärken.
  2. Vorrichtung nach Anspruch 1, wobei die Zuführvorrichtung ein handgehaltenes Gerät ist; oder wobei die Zuführvorrichtung konfiguriert ist, um an einem Fahrzeug montiert oder an einer Struktur befestigt zu werden.
  3. Vorrichtung nach einem vorherigen Anspruch, ferner umfassend:
    eine erste Fluidquelle und eine weitere Fluidquelle;
    und wobei entweder die erste Fluidquelle und die weitere Fluidquelle eine gemeinsame Quelle umfassen oder wobei die erste Fluidquelle von der weiteren Fluidquelle getrennt und verschieden ist.
  4. Vorrichtung nach einem vorherigen Anspruch, wobei die Zuführvorrichtung zum Ausgeben von Fluid in einer Vielzahl von Ausgabemodi betrieben werden kann; wobei optional die Zuführvorrichtung einen Körperabschnitt (3, 110) umfasst und wobei das weitere Bedienelement ein drehbares Hülsenelement umfasst, das an dem Körperabschnitt montiert ist.
  5. Vorrichtung nach einem vorherigen Anspruch, wobei die Zuführvorrichtung ein erstes Betätigungselement (13, 2010) umfasst, das funktionsfähig mit dem ersten Bedienelement verbunden ist, um die erste Fluidquelle selektiv mit der ersten Fluidauslassöffnung zu verbinden oder davon zu trennen; wobei optional die erste Leitung und die weitere Leitung in einer generell parallelen Anordnung bereitgestellt sind.
  6. Vorrichtung nach einem vorherigen Anspruch, wobei der erste Fluidkommunikationsweg eine erste Leitung (27, 200, 300, 1020, 2005) umfasst und wobei das erste Bedienelement ein erstes Ventilelement (33, 2020) umfasst, das in der ersten Leitung bereitgestellt ist; wobei optional die erste Leitung und die weitere Leitung koaxial angeordnet sind.
  7. Vorrichtung nach Anspruch 5 oder Anspruch 6, wobei das erste Ventilelement bewegbar zwischen einer offenen Position und einer geschlossenen Position bewegbar ist, um die erste Fluidquelle selektiv mit der ersten Fluidauslassöffnung zu verbinden; wobei optional die Zuführvorrichtung einen pistolenartigen Körper umfasst und das erste Betätigungselement ein Auslöseelement (13) ist, und wobei das erste Ventilelement durch Betätigung des Auslöseelements zwischen der offenen Position und der geschlossenen Position bewegbar ist.
  8. Vorrichtung nach einem vorherigen Anspruch, wobei die Vorrichtung ein weiteres Betätigungselement (13, 11) umfasst, das funktionsfähig mit dem weiteren Bedienelement verbunden ist, um die weitere Fluidquelle selektiv mit der weiteren Fluidauslassöffnung zu verbinden oder davon zu trennen; und/oder wobei der weitere Fluidkommunikationsweg eine weitere Leitung (35, 320, 1030, 2080) umfasst, und wobei das weitere Bedienelement ein weiteres Ventilelement (37) umfasst, das in der weiteren Leitung bereitgestellt ist.
  9. Vorrichtung nach Anspruch 8, wobei das weitere Ventilglied zwischen einer offenen Position und einer geschlossenen Position bewegbar ist, um die weitere Fluidquelle selektiv mit der weiteren Fluidauslassöffnung zu verbinden.
  10. Vorrichtung nach Anspruch 9, wobei die Zuführvorrichtung einen pistolenartigen Körper umfasst und das weitere Betätigungselement ein Griffelement (11) ist, wobei das Griffelement betätigt werden kann, um das Ventilelement selektiv zwischen der offenen Position und der geschlossenen Position zu bewegen; wobei optional das Griffelement schwenkbar mit dem weiteren Ventilelement verbunden ist und eine Drehung des Griffelements um eine Schwenkachse die weitere Fluidquelle wahlweise mit der weiteren Fluidauslassöffnung verbindet.
  11. Vorrichtung nach einem vorherigen Anspruch, wobei die weitere Fluidauslassöffnung ringförmig ist und die erste Fluidauslassöffnung vollständig umgibt.
  12. Vorrichtung nach Anspruch 1, wobei das Nebelmuster ein Ausgeben von Fluidtröpfchen mit einem durchschnittlichen Durchmesser zwischen weniger als etwa 1 µm bis etwa 100 µm umfasst.
  13. Vorrichtung nach einem vorherigen Anspruch, wobei die Vorrichtung einen Körperabschnitt (3, 110) umfasst, der mindestens einen Abschnitt des ersten Fluidkommunikationswegs und mindestens einen Abschnitt des weiteren Fluidkommunikationswegs aufnimmt;
    und/oder, wobei die Vorrichtung ferner ein Griffelement (9) umfasst, das sich von dem Körperabschnitt erstreckt;
    und/oder, wobei die Vorrichtung ferner eine Musterhülse umfasst, die drehbar mit dem Körperteil gekoppelt ist, und wobei der erste Ausgabemodus eine Vielzahl von Mustern umfassen kann, wobei das Fluidmuster durch die Drehposition der Musterhülse in Bezug auf den Körper festgelegt wird
    und/oder wobei die Vorrichtung zum Ausgeben eines Feuerlöschfluids ist und ferner wobei die Vorrichtung ferner eine Feuerlöschspritze oder eine Feuerlöschdüse ist.
  14. Verfahren zur Brandbekämpfung, gekennzeichnet durch die folgenden Schritte:
    selektives Ausgeben von Fluid aus einer Zuführvorrichtung (1, 100, 1000, 2000) an einer gewünschten Stelle, an dem sich ein Feuer befindet, über eine Auswahl von einer von mindestens drei möglichen Ausgabemodi, umfassend:
    Zuführen von Fluidnebel allein über mindestens eine mittlere Fluidauslassöffnung (15, 310) der Zuführvorrichtung;
    Ausgeben von Fluid über mindestens eine ringförmige Fluidauslassöffnung (21, 150, 330, 1050) in einem Strahl oder Sprühnebel allein, wobei die mindestens eine ringförmige Fluidauslassöffnung die mittlere Fluidauslassöffnung mindestens teilweise umgibt; und
    gleichzeitiges Zuführen von Fluidnebel über die mittlere Fluidauslassöffnung und Fluidstrahl oder -sprühnebel über die ringförmige Fluidauslassöffnung.
  15. Verfahren nach Anspruch 14, das ferner Folgendes umfasst:
    Auswählen eines ausgewählten Betriebsmodus durch selektives Betätigen von einem oder beiden eines ersten Bedienelements (11, 33) und eines weiteren Bedienelements (13, 25, 37, 160) der Zuführvorrichtung;
    und/oder wobei der Sprühnebel ein kegelstumpfförmiger Sprühnebel ist;
    und/oder wobei das Verfahren ferner ein Einstellen des Fluids umfasst, das über die mindestens eine ringförmige Fluidauslassöffnung zwischen dem Strahl und dem Sprühnebel zugeführt wird;
    und/oder wobei das Verfahren ferner ein Auswählen eines ausgewählten Betriebsmodus durch selektives Betätigen von einem oder beiden eines ersten Bedienelements (11, 33) und eines weiteren Bedienelements (13, 25, 37, 160) der Zuführvorrichtung umfasst.
EP15820580.7A 2014-12-24 2015-12-22 Flüssigkeitsausgabevorrichtung Active EP3237079B1 (de)

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Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201423189 2014-12-24
PCT/GB2015/054127 WO2016102957A1 (en) 2014-12-24 2015-12-22 Fluid dispensing apparatus

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EP3237079B1 true EP3237079B1 (de) 2020-02-26

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CN (1) CN107438455B (de)
AU (1) AU2015370671B2 (de)
ES (1) ES2791151T3 (de)
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WO (1) WO2016102957A1 (de)

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CN112060264A (zh) * 2020-09-21 2020-12-11 佳诺威集团股份有限公司 一种中密度纤维板高压施胶工艺

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Publication number Priority date Publication date Assignee Title
US2389642A (en) * 1944-06-07 1945-11-27 Wooster Brass Company Four-way nozzle
US2567176A (en) * 1948-03-31 1951-09-11 Edward D Ballard Fire fighting nozzle
US3363842A (en) * 1965-10-05 1968-01-16 Robert L. Burns Fire hose nozzle
CN101947378A (zh) * 2010-09-17 2011-01-19 大连海事大学 一种手持式高压细水雾喷头及其工作方法
CN203899782U (zh) * 2014-06-26 2014-10-29 黄焕胜 一种具有自动转换功能的水雾喷头

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Publication number Publication date
AU2015370671B2 (en) 2020-01-23
EP3237079A1 (de) 2017-11-01
CN107438455A (zh) 2017-12-05
WO2016102957A1 (en) 2016-06-30
AU2015370671A1 (en) 2017-07-13
ES2791151T3 (es) 2020-11-03
PL3237079T3 (pl) 2020-07-13
CN107438455B (zh) 2020-11-20

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