Abstract: A self-contained fire retardant application apparatus include a tank for liquid fire retardant, a rechargeable 12 volt battery and an electrically operated pump powered by the battery. The tank has wheels or is carried on a wheeled chassis. In operation, the tank is wheeled to a desired location, the pump is powered and liquid fire retardant is sprayed onto the desired location through a hose and spray nozzle plumbed to the pump outlet.

Abstract: A method and apparatus for the controlled feeding of added air into a permanently inertized room in which a predefined inertization level is or must be set and maintained within a certain control range provide for the volume flow rate at which an inert gas is fed into the room atmosphere to attain a value that is adequate for maintaining the predefined inertization level in the room atmosphere that will minimize fire risk. In addition, provisions are made whereby at all times just enough fresh air is injected into the room atmosphere as is necessary to remove from the room atmosphere that proportional concentration of hazardous substances that has not already been removed, via a corresponding return-air exhaust system as a result of the injection of inert gas.

Abstract: A fire suppressant system having a pipe system, spray nozzles connected to the pipe system and a control system for selectively charging the pipe system with foam. The control system includes a pilot line for generating a signal based upon sensing an environmental parameter and a first control valve for activating the system based upon the signal. Preferably, the first control valve forms i) an interior cavity for mixing the compressed air and compressed air liquid, ii) an outlet in fluid communication with the interior; iii) a first inlet, oriented substantially perpendicular to a flow through the outlet, in fluid communication with the interior and the compressed air; and iv) a second inlet, oriented substantially perpendicular to the flow, in fluid communication with the interior and the compressed air liquid.

Abstract: A nondestructive retrofit fire sprinkler protection system including a sprinkler fitting with a unique shape that inserts behind a wall surface and that securely connects a sprinkler head emerging from a wall location to preferably concealed sprinkler piping located in a room at a point where the ceiling surface meets a wall surfaces. In addition, a room coupler fitting is adapted to be inserted between wall structures to connect sprinkler piping in adjacent rooms.

Abstract: A fire suppression system and method thereof is provided. The fire suppression system includes at least one inlet pipe, at least one outlet pipe, and a valve. The inlet pipe is at least partially filled with a fluid substance, wherein the fluid substance creates a first pressure in the inlet pipe. The outlet pipe is in fluid communication with the inlet pipe and contains a gaseous fluid, wherein the gaseous fluid creates a second pressure in the outlet pipe. The valve is in fluid communication between the inlet pipe and the outlet pipe, wherein the fluid substance enters the outlet pipe through the valve when the second pressure is altered to a predetermined pressure.

Abstract: A fire suppression system is disclosed. The system includes a gaseous extinguishing agent and a liquid extinguishing agent. At least one emitter is in fluid communication with the liquid and gas. The emitter is used to establish a gas stream, atomize and entrain the liquid into the gas stream and discharge the resulting liquid-gas stream onto the fire. A method of operating the system is also disclosed. The method includes establishing a gas stream having first and second shock fronts using the emitter, atomizing and entraining the liquid with the gas at one of the two shock fronts to form a liquid-gas stream, and discharging the stream onto the fire. The method also includes creating a plurality of shock diamonds in the liquid-gas stream discharged from the emitter.

Abstract: A fire protection system comprising at least one sprinkler, a source of pressurized water, a piping network connecting at least one sprinkler to the source of pressurized water, and a nitrogen generator coupled to the sprinkler system. The nitrogen generator may be a nitrogen membrane system or a nitrogen pressure swing adsorption system. The present systems and methods reduce or nearly eliminate corrosion that typically affects conventional fire protection systems, such as caused by oxygen and microbial systems, which can deteriorate or compromise function. Initial, repeated, or continuous displacement of oxygen with nitrogen in the fire protection system significantly reduces or eliminates corrosion.

Abstract: A sprinkler system that can be quickly deployed for preventing brush and forest fires from engulfing a home. The system includes at least one assembly with a sprinkler on a base. The base straddles the roof ridge. The base adjusts to different roof pitches. The assemblies include hose interfaces to allow connection of a hose routed from a water supply. A fire retardant solution or fire fighting foam can be added downstream of the supply. The sprinklers wet the rooftop and a portion of the surrounding grounds. An optional pump and independent power supply can be added to route water from an available reservoir.

Abstract: The invention relates to an inertization device for establishing and maintaining an inertization level in a protective room. The inertization device has a controllable inert gas system for providing inert gas, a first supply pipe system connected to the inert gas system and the protective room to supply the inert gas to the protective room, and a control unit to control the inert gas system such that a presettable inertization level is established and maintained inside the protective room. In order to raise the inertization level inside the protective room rapidly to an accessibility level without requiring major structural measures, a valve controlled by the control unit is connected to the inert gas system and the first supply pipe system to supply the exhaust air prepared by the inert gas system as fresh air to the protective room.

Abstract: The invention relates to fire-fighting installation comprising a drive source for feeding medium into at least one heat releasing spray head (4), the drive source comprising a pump unit (5) for feeding liquid into said spray head through a supply line (3) which is filled with gas to a standby pressure, a gas source (9) for maintaining the standby pressure, and a sensor (2) arranged to provide a signal for starting the pump unit in response to a change occurring in the state of the medium in the supply line. In order to rapidly start the pump unit (5) of the drive source as a result of a minor flow occurring in the supply line (3) and in order for the fire-fighting installation to be applicable to be used at low temperatures, the sensor is a flow transducer (2) arranged to provide a signal to the pump unit (5), if the flow of gas in said portion of the supply line exceeds a certain predetermined value.

Abstract: A multipurpose fluid distribution system including a network of fluid distribution heads associated with a landscape. Also included is a water supply feeding the network of fluid distribution heads. The fluid distribution heads may be typical irrigation or sprinkler heads or specialized heads useful for reaching portions of the outside of a structure or landscape which are not typically irrigated such as the roofs of buildings. Also included in the multipurpose fluid distribution system is a series of distribution valves operatively disposed between the water supply and the network of fluid distribution heads. The system can be controlled with a control unit associated with the distribution valves which is configured to automatically open select distribution valves or open select distribution valves according to manual input.

Abstract: The water supply system integrates fire and domestic supplies for a multi-floor building. A vertical ring main (11) supplies water to a network of pipes (50) on each floor. Each network includes multiple horizontal ring mains that supply water to both the sprinklers (S) and domestic fixtures (F) for a particular dwelling. Each floor also has a fire hydrant connected (16) to the vertical ring main. A single pump can be used for each vertical ring main.

Abstract: Apparati for generating a mist are disclosed. One apparatus is disclosed, which has an elongate hollow body (12) and an elongate member (14) located within the body (12). A transport fluid passage (16) and a nozzle (32) are defined between the body (12) and the elongate member (14). The transport fluid passage (16) has a throat portion of reduced cross-sectional area and is in fluid communication with the nozzle (32). The elongate member (14) includes a working fluid passage (26) and one or more communicating openings, such as for example, bores, annuli, and combinations thereof, (30) extending radially outward from the working fluid passage (26). The openings (30) permit a working fluid (e.g. water) to be passed into the transport fluid passage (16), whereupon the working fluid is subjected to shear forces by a high velocity transport fluid (e.g. steam). The shearing of the working fluid results in the generation of a mist formed from droplets of substantially uniform size.

Abstract: An exterior fire protection system may be stored, and is readily deployable with respect to at least one selected side of a structure. A portable water line may be releasably secured adjacent a respective selected side of a structure. At least one sprayer is connected to the water line and positioned to provide a spray over a preselected area. The water line has a portion for coupling to a water source. The water line may comprise a first sprayer and a second sprayer positioned to spray under eaves and on a roof respectively. Each water line may be vertically disposed and may also be coded with indicia to indicate association with a particular structure wall to which the water line is proportioned. A system including a pump and a generator may also be provided.

Abstract: A wildfire prevention system is described. The system includes a data measurement station for measuring environmental factors relevant for determining the likelihood of a wildfire in a prescribed area, a control station configured to receive data measured by the data measurement station and to determine the likelihood of a wildfire by comparison of the data received with predetermined data values representing likelihood of a wildfire, the predetermined data values including data values for each of the environmental factors individually and in combination with other environmental factors, and a moisture induction system including a water reservoir, configured for induction of moisture in the prescribed area on activation by the control station on the determination of the likelihood of a wildfire in the prescribed area. A method of preventing a wildfire is also described.

Abstract: An actuator for use with a negative pressure fire suppression sprinkler system is disclosed. The actuator has three chambers, each chamber having a flexible diaphragm. One chamber is connected to the sprinkler system piping network. Its diaphragm moves in response to an increase in pressure in the piping network signaling a fire. The diaphragm in the second chamber opens an orifice in response to the motion of the first diaphragm. The open orifice allows water to flow from the third chamber to the ambient. The diaphragm in the third chamber moves in response to the water flow from the third chamber. The third chamber is connected to a valve controlling water flow to the piping network. Motion of the diaphragm in the third chamber actuates the valve, releasing water to the system.

Abstract: A low pressure, extended coverage, fire protection sprinkler, e.g., of the upright type, suitable for use in protection of at least extra hazard and high piled storage occupancies, in accordance with the 1999 Edition of NFPA 13, has a body with an internal passageway extending between an inlet end and an opposite outlet end, and a deflector mounted to the body by at least one support arm and disposed in alignment with the axis and generally spaced from the outlet end of the internal passageway. The sprinkler has a predetermined K-factor, e.g., of greater than about 16.0. The sprinkler is configured and arranged to deflect flow of water generally radially outwardly and downwardly of the sprinkler in a predetermined spray pattern. Preferably, the predetermined spray pattern has a generally polygonal shape, e.g., a rectangular shape, when viewed at a predetermined distance below the deflector.

Abstract: A cryogenic fire and hazardous materials suppression system is described for use by firefighting and hazardous material handling personnel in combating fires and hazardous materials spills. The cryogenic liquid fire and hazardous materials suppression system has at least one cryogenic liquid vessel for storing a cryogenic extinguishing agent that is one of a number of inert cryogenic liquids. The cryogenic extinguishing agent is dispersed through a removably attached cryogenic fluid supply conduit having two ends, said first end attached to the cryogenic liquid vessel, and a second end that is also removably mounted to a dispensing apparatus for controlling the flow of the cryogenic extinguishing agent toward a fire or hazardous material suppression target.

Abstract: Rooftop water sprinkler with a water sprinkler head, a pair rectangular frames, a pair of weight enclosing housings, a pair of hinge members and a straight water pipe. The water hose pipe is located between the rectangular frames. The hinge members are each comprised of three short tubular portions that form a triangular configuration. The water pipe is attached within the topmost tubular portion of the hinge member and a leg of each rectangular frame is attached to the bottom tubular hinge members. The sprinkler head is mounted mid way along the rigid water pipe. The water pipe terminates at one end in a garden hose fitting and at its opposite end in an a closure cap. The weight enclosing housings attach to the free portion of each of the rectangular frames. The frames straddle a roof ridgeline.

Abstract: A fire protection system includes a conduit, with a fluid passageway for receiving fire suppressant fluid from a fire suppressant fluid supply, a discharge device in fluid communication with the conduit for dispersing the fire suppressant fluid and at least one surface at the conduit or the discharge device across which the fire suppressant fluid flows, which surface has a plurality of channels extending across the surface in a direction generally orthogonal to the flow of fluid.

Abstract: An anti-skipping sprinkler includes a frame defining a central longitudinal axis, the frame including a base portion defining an orifice, and first and second arms extending away from the base portion and joining at a lower end of the frame; a deflector located at the lower end of the frame; an orifice plug held over the orifice by a trigger element including a heat sensitive element; and an anti-skipping shield extending circumferentially around the heat sensitive element. The anti-skipping shield has an upper end and a lower end. The anti-skipping shield is open at the upper end and at the lower end to permit airflow to the heat sensitive element around the upper end and the lower end of the anti-skipping shield.

Abstract: Improvements in present day fire hydrants are presented. The improvement relates to a fire hydrant where the above ground structure is essentially removed and is replaced with an adaptable connection. The connection uses the same mounting hole pattern as used in the above ground hydrant. In operation, the adaptable connection is protected by a hinged cover that is opened to provide access to the adaptable connection. The adaptable connection includes a bayonet type connection where a portable fire hydrant is secured and rotated to start the flow of water. The adapter includes an electronic communication device that transmits real-time information on connection and flow characteristics. The adaptable fire connection eliminates the appearance of the fire hydrant, the potential of a vehicle hitting a fire hydrant and the material cost associated with above ground fire hydrants.

Abstract: A building sprinkler system includes a pump that feeds a plurality of sprinkler heads. A driver is operatively connected to the pump for driving the pump. A speed control is responsive to suction pressure at a suction side of the pump. The speed control is configured to reduce driver speed when the suction pressure falls below a set threshold pressure value to maintain the suction pressure above the set threshold pressure value.

Abstract: The main purpose of the present invention is to protect a house from destruction by fire. The invention includes the system and method of water coating and water recycling. The water coating system involves wetting the surface of the house. The water recycling system involves recycling the water used for wetting the house to save water and extend the time the water coating system operates. The water coating method has a water pump that pumps water from a water pool to a network of water sprinklers to wet the surface of the house. The water recycling method employs a water collection site to collect the water runoff from the sprinklers and return it back to the water pool for reuse.

Abstract: The instant invention relates to a process for preventing and extinguishing fires. Particularly to process capable of adding a dehydrated superabsorbent polymer to water in an amount sufficient to extinguish and prevent additional co.

Abstract: The present invention is a spraying system that extinguishes flying embers that may land on a roof from brush fires or forest fires. This includes a submersible pump at the bottom of a well that is attached to a supply pipe that allows water to be pumped into a reservoir. Another submersible pump is inside the reservoir that pumps water thru a supply pipe that is attached to the roof. This area is called a water station that may also be equipped with a generator for a backup power source. The supply pipe has pipe couplings attached at certain intervals and has sprayers installed into the couplings. These sprayers will then give off an adequate amount of water to soak down the entire roof area in the event of an approaching fire. All of this is assembled and placed in specially designed roof fasteners that are installed throughout the entire hip and ridge of the roof.

Abstract: A test system for proportioning fire fighting and fire suppression systems is provided. This test system includes a foam-water proportioning system and at least one test apparatus connectable to or incorporated into the foam-water sprinkler system. In an exemplary embodiment, the foam-water proportioning system further includes: (i) at least one proportioning valve; (ii) at least one source of water; and (iii) at least one source of foam concentrate. The test apparatus further includes: (i) a means for bypassing the at least one source of foam concentrate; (ii) a first flow meter; and (iii) an optional second flow meter.

Abstract: The invention as disclosed and defined herein, provides for an effective way to fight and subsequently extinguish a fire at a high elevation which is non-reachable for functionally fighting the fire—and which further provides a high quality and a strong helicopter supported system substantially able to carry the material for use in fighting the fire and also provide a means for directively and pressure controllably directing the extinguishing material, most typically water, to the appropriate location for extinguishing the fire. The helicopter supported system of the present invention is the only piece of equipment which is substantially able to carry the material for use in fighting the fire and also provide a means for directively and pressure controllably directing the extinguishing material, most typically water, to the appropriate location for extinguishing the fire.

Abstract: A building plenum is provided. The building plenum may include an assembly or housing and multiple building utility and safety infrastructures (such as fire, lighting, ventilation, and other building infrastructure). The building plenum may be constructed at a manufacturing facility for subsequent installation in a building. In this way, the building infrastructure may be quickly and efficiently installed in the building, such as by mounting the building plenum on a ceiling as part of a ceiling cover, ceiling tile, or the like. The building plenum may have different configurations (including different building utility and safety infrastructures), different lengths and widths, and different cover appearances (or other ornamentation).

Abstract: A method in a spraying installation, especially in a fire extinguishing installation, which comprises a source (1) of a medium to be sprayed and means (5, 15, 17, 18) for conveying the medium to be sprayed from the medium source to at least one spray head (20), through which the medium is sprayed when desired. The method comprises circulating the medium to be sprayed via at least one medium treatment unit (2) and/or manipulating the temperature of the medium at least when necessary. The invention also relates to an apparatus.

Abstract: A building inside fire extinguishing system, the building having a standard roof pitch and corresponding peak angle. The system including a main water supply line extending along the base or lower margin of the roof and having spaced parallel upright pipe nipples attached to the main water supply line, a plurality of feed lines extending upwardly from the main water supply line parallel to the roof and a plurality of spaced water sprinkler heads operably attached to each of the feed lines. To interconnect the upper end of each upright nipple, an array of roof slope sprinkler fittings is provided, one of which is selected angularly matching the roof pitch. These sprinkler fittings each include an angled hollow body having a female threaded inlet and a female threaded outlet angularly oriented at different standard roof pitch angles one of which will equal the standard pitch of the roof. Each fitting is threadable directly to and between the pipe nipple and a lower end of the feed line.

Abstract: The invention application relates to a valve for pipelines of fire fighting systems, with a supply line (32) for extinguishing fluid loaded by excess pressure, with a drain line (34) for the extinguishing fluid, with locking means (36, 46) arranged between the supply line (32) and the drain line (34), and with an actuating means (38) operating the locking means (36, 46) for setting the locking means (36, 46) in an open position and a closed position, wherein, in the rest state, the locking means (36, 46) are in the closed position and wherein, in the case of a fire, the actuating means (38) adjust the locking means (36, 46) from the closed position into the open position in such a way that extinguishing fluid flows from the supply line (32) into the drain line (34).

Abstract: A roof-top fire prevention sprinkler system, with or without an optional, separate storage rack, is comprised of a rotating sprinkler head mounted on a support frame of conduit having fluid communication between a water source and the sprinkler head. The frame, having a more or less rectangular shape bent in the middle of the long sides, saddles the peak of a roof to be protected. At the bend in the frame, at the roof peak, a cross piece of conduit bisects the long sides of the rectangle, and is in fluid communication therewith. The sprinkler head is connected to the middle of the cross piece. Water can be supplied through a garden hose connected to a pipe extension of stiff conduit which is in turn connected to one of the short sides of the rectangle. The pipe extension can act as a pole to place or retrieve the support frame at or from the roof peak without the user having to climb onto the roof.

Abstract: A system for fighting a fire in an enclosed space has at least one container (3) for holding a fire extinguishing agent under pressure. A pipe system connects a container outlet to a discharge in the enclosed space. A controllable flow control valve (5) in the pipe system is responsive to a flow control signal generated by a control unit (4) in response to sensed characteristics (pressure and/or temperature) of the agent. A trigger action initially opens the container to the pipe system. The valve is initially held open until concentration (A) of fire extinguishing agent in the enclosed space is sufficient to suffocate a started fire. Thereafter, the valve is opened intermittently to maintain a lower concentration of fire extinguishing agent in the space sufficient to prevent rekindling. More than one container may be used but only one is equipped with a valve controllable by a control unit.

Abstract: The invention satisfies this need. The invention is an internally threaded insert for use with a polymetric pipe fitting in a fire sprinkler system. The insert comprises an outer side surface, an outer rearward surface and an outer forward surface. The outer forward surface is adapted to retain a fire sprinkler at a forward end of the insert. The outer side surface of the insert is sized and dimensioned so as to closely match the bores of standard polymeric pipe fittings, so as to be capable of being slidably and snugly received into the bores of a standard polymeric pipe fitting. The insert can be conveniently affixed within the bores by non-mechanical means, such as by gluing.

Abstract: A method and system for installing and operating a multipurpose fire protection system is disclosed. The steps of the method include providing a water source to a structure, providing pre-assembled vertical sprinklers drops, installing vertical sprinkler drops at designated locations within the structure, and sequentially attaching flexible tubing to each drop to create a loop, whereby water is supplied to each sprinkler via two different flow paths. A system for simultaneously inducing flow and adding or removing heat from fluid in the piping includes a convection drop comprising a piping loop with a u-shaped section, the convection drop containing a fluid which has a density that varies as a function of temperature, and a thermal means for changing the temperature of fluid in the convection drop, whereby freezing of the fluid is prevented by adding heat using the thermal means and inducing the heated fluid to flow throughout the piping system.

Abstract: The fire sprinkler system of the preferred embodiments is preferably installed in a space defined by two beams, such as rafters, extending along the width of a space and separated by a distance equal to a length of the space. The fire sprinkler system includes a supply line generally extending along the width of the space and generally located between the rafters, and a series of sprinklers connected to the supply line. Each sprinkler is adapted to disperse in a coverage area having a length and a width, which is substantially less than the length. Each sprinkler is oriented such that the length of each coverage area extends in opposite directions toward the rafters. The fire sprinkler system may also be installed in a space having a series of purlins extending the length of the space. In this variation, each sprinkler is located between two purlins.

Abstract: The invention relates to a fire protection system consisting of a first fire protection barrier in the form of a fire protection glass pane provided with preferably monolithic glass panels (1), and a device (2) for spraying water in the form of a water spray haze (7), in front of the fire protection glass pane. The inventive fire protection system ensures, in the event of a fire, that an additional transparent fire protection barrier is provided, that heat and smoke in the room (4) swept through by the fire mix together, and that exposed escape routes, inter alia, are thus protected from dangerous heat radiation (9). The inventive fire protection system can be used in very different fields of application, e.g. for interior glass panes or screens.

Abstract: A system for providing a fire suppression gel spray, including: a water tank; a water pump in fluid communication with the water tank; a gel tank; a gel pump in fluid communication with the gel tank; a spray nozzle in fluid communication with the water pump and the gel pump; a water flow control mounted on the spray nozzle; a gel flow control mounted on the spray nozzle; and a gel recirculation line for directing gel flow from the gel pump back into the gel tank, wherein the water flow control and the gel flow control are independently controllable at the spray nozzle. In addition, an optional system for spraying gel directly over the cab of a fire truck to which the present system is mounted is also included.

Abstract: An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a Row path defined between the first and second openings. A fire-suppressing gas is produced, such as from a solid propellant composition, and is introduced into the flow path in such a way that a volume of ambient air is drawn from a location external to the housing, through the first opening and into the flow path. The volume of ambient air may be subjected to an oxygen-reducing process and mixed with the fire-suppressing gas to form a gas mixture. The gas mixture is discharged from the flow path through the second opening and into an associated environment for suppression of a fire located therein.

Abstract: A fire suppression system for a fryer is provided. The fire suppression system for the fryer may include a reservoir of fire suppression agent, piping connected to the reservoir, and one or more nozzles connected to the piping and configured to direct fire suppression agent into the fry vat when the lid is not in the fully open position (such as when the lid is in the closed/unlocked position). For example, when the lid is closed, a headspace may be created between the fry vat and an interior portion of the lid. When the lid is in the closed and unlocked position (creating an opening into the headspace for venting of the fry vat), the nozzle may be configured external to both the lid and the fry vat so that fire suppression agent is directed through the opening and into headspace of the fry vat.

Abstract: A discharge assembly used with a fire suppression delivery system comprises a nozzle having an outer nozzle surface and inlet and discharge ends. The inlet end receives fire suppression agent and the discharge end dispenses fire suppression agent through an orifice. A blow-off cap has an open-ended cavity shaped to receive the discharge end of the nozzle and cover the orifice. The cavity includes an interior cap surface located in close proximity to the outer nozzle surface of the nozzle when the blow-off cap is mounted on the discharge end of the nozzle. A receptacle is formed in at least one of the outer nozzle surface of the nozzle and the interior cap surface of the blow-off cap. A retention element fits within the receptacle and engages the outer nozzle surface and interior cap surface, providing a predetermined amount of retention resistance to retain the blow-off cap on the nozzle.

Abstract: An early suppression fast response fire protection system includes a sprinkler piping system with at least one sprinkler head assembly, a water supply system, and a check valve in fluid communication with the sprinkler piping system and the water supply system. An antifreeze solution supply system is in fluid communication with the sprinkler piping system, with the check valve isolating the antifreeze solution from the water supply unless a fire condition occurs.

Abstract: An early suppression fast response fire protection system includes a sprinkler piping system with at least one sprinkler head assembly, a water supply system, and a check valve in fluid communication with the sprinkler piping system and the water supply system. An antifreeze solution supply system is in fluid communication with the sprinkler piping system, with the check valve isolating the antifreeze solution from the water supply unless a fire condition occurs.

Abstract: A method for activating a sprinkler system comprises maintaining a liquid extinguishant in system pipes under a standby pressure that is less than the operating pressure, determining an arrangement of the sprinklers that will control a fire, and opening the sprinkler system valve in response to a drop in pressure in each of the pipes to which at least one of the sprinklers of the arrangement is connected. An alternate method comprises providing a bypass around the system valve, and opening the system valve in response to (1) a predetermined flow of liquid extinguishant through the bypass and (2) a drop in pressure in the sprinkler system below a predetermined pressure. In a variation of the alternate method, the system valve is opened in response only to a predetermined flow of liquid extinguishant through the bypass.

Abstract: A bracing apparatus for bracing a flexible pipe extending between a fire sprinkler header pipe and a sprinkler and for holding the sprinkler in a desired location, a flexible piping system having the bracing apparatus, and a method of installing a sprinkler of a sprinkler system having the bracing apparatus. The bracing apparatus has first mounting members that attach to a flexible pipe, and a stiffener bar that extends between the first and second mounting members.

Abstract: In the system or method for sprinklering a building, the building has a water delivery pipe for delivery of water to at least two different floors of the building. On at least two floors, a respective sprinkler pipe with a plurality of sprinklers is installed. Also a respective pump is installed whose outlet is connected to the respective sprinkler pipe, and whose inlet is connected to the water delivery pipe. A respective sensor for the respective pump automatically activates the pump when at least one of the sprinklers is activated.

Abstract: The present invention provides a spray device for fire fighting, which sprays atomized water to extinguish a fire. The spray device (100) includes an upper body (10), a lower body (20) which is removably coupled to the upper body (10), a nozzle tip (30) which has a swirl (39) therein and is removably inserted into each nozzle tip hole (22) of the lower body (20), and an interposition unit (40). The spray device (100) further includes an inclined surface (16), a tightening contact surface (19-1) provided on an outer surface of a circular head part (19) of the upper body (10), a working groove (26) to provide an internal thread (25) on the lower body (20), and a hemispherical mesh (42) which has a convex shape and is provided in a chamber (41) defined at a center position between the upper body (10) and the lower body (20).

Abstract: An onboard fire suppression system for an automotive vehicle includes at least one reservoir containing a fire suppressant agent and a propellant, operatively associated with the reservoir, for expelling the fire suppressant agent from the reservoir. A distribution system for receiving fire suppressant agent expelled from said reservoir includes at least one feeder conduit which is connected with the reservoir by means of a quick connect coupler. The quick connect coupler facilitates assembly and servicing of the fire suppression system.

Abstract: A horizontal sidewall fire protection sprinkler is provided, including a deflector having a vertical face, transverse to the fluid flow from the output orifice, and a horizontal shelf positioned above and perpendicular to the vertical face. A portion of the horizontal shelf extends in the fluid flow direction by a first length, with respect to the vertical face, and this first length is less than about half of a total length of the horizontal shelf in the fluid flow direction. The sprinkler is installed in a support cup having a raised mounting platform configured to receive the sprinkler body and a cylindrical outer surface, with a front edge in a fluid flow direction, and a back edge. The mounting platform of the support cup is closer to the front edge of the support cup in an axial direction thereof than to the back edge.