Abstract: A system for dispensing flame retardant foam on the exterior of a structure. The structure has an opening that enables distribution of flame retardant foam onto the roof. The system includes a foam distribution system having a foam expansion chamber and a roof plenum for delivery through the roof opening. Foam solution and compressed air are combined in a conduit and supplied to the foam expansion chamber. The structure may have at least one wall. In that case, the system may have a wall plenum for delivery of flame retardant foam from the foam expansion chamber through a first wall-associated opening. Each such wall will have an opening associated with the wall that enables distribution of flame retardant foam onto that wall.

Abstract: The portable fire safety enclosure system comprises a backpack, a protective cover, an extinguisher, and a breathing apparatus. The backpack may be adapted to be worn by a user to protect the user while the user exits from a burning building. The protective cover may comprise a flame retardant umbrella coupled to a clear flame retardant curtain. The protective cover may be deployed from within the backpack to surround the user and to prevent contact with burning materials. The extinguisher may be activated to spray a fire-suppressing substance from a nozzle located on the top of the protective cover. The extinguisher may extinguish flames that prevent exit from the burning building. The breathing apparatus may be adapted to provide a breathable gas to the user.

Abstract: The multi-chambered well dosage form and device disclosed herein can be single or multi dose capable for administration of pharmaceuticals of a range of particle sizes. The present dosage devices and systems provide for improved efficiency and patient ease of use owing to its compact size and simple design, low cost, and consistent, contamination free dosing of dry powder medicaments or other agents. The present disclosure provides a multi-chambered dosage form containing dry powder medical composition containing chamber well with an internal piercing device and one or more adjacent gas-filled chamber wells to aid the dispense of the powder contents to the user and in certain embodiments, without the requirement of an external energy sources common with active devices known in the art. Said methods, systems and devices provide increased ejection fraction and hence greater efficiency of drug delivery above that as provided by current devices.

Abstract: A method for supplying fire suppressing agent to the interior of a container for an extended duration includes detecting sensor signals indicative of a temperature associated with a container, determining via a controller that the fire suppressing agent should be supplied to the interior of the container based at least in part on the sensor signals, and initiating via the controller expulsion of fire suppressing agent from a chamber containing fire suppressing agent. The method may further include puncturing a surface of the container with a puncture mechanism to provide flow communication between the chamber and the interior of the container to permit supply of fire suppressing agent into the interior of the container at a first time, initiating via the controller expulsion of fire suppressing agent from a second chamber containing fire suppressing agent at a second time after the first time, and supplying fire suppressing agent from the second chamber into the interior of the container.

Abstract: A non-lethal weapon fixture and a method of defense with a non-lethal weapon are provided. The non-lethal weapon fixture includes a carrier having a contact point and a separation indicator connected to the carrier. The contact point is configured to interface with a non-lethal weapon. A separation signal is transmitted by the separation indicator upon separation of the non-lethal weapon from the carrier.

Abstract: A system and method for tracking the growth of large-area wildland fires. The technique includes monitoring wind conditions in and around a wildfire using near-surface-sited sensors deployed by a high-altitude long-endurance (HALE) unmanned aerial vehicle (UAV), such as the Global Hawk. The deployed sensors measure a localized wind vector at multiple locations within and surrounding the wildfire, and transmit the wind data back to the UAV for relaying to a command center operated by fire management authorities, where the wind data are used to assist decision-making, including as input into wildfire growth prediction models. The sensors may provide additional data such as local altitude/elevation, pressure, temperature and relative humidity. The UAV may also carry sensors that provide additional data to be used by the fire management authorities or the wildfire growth prediction models—such as infrared images defining actively flaming areas, and visual images which indicate vegetation type and density.

Abstract: A device for supplying fire suppressing agent to the interior of a container for an extended duration may include a plurality of chambers configured to contain and selectively expel the fire suppressing agent, a puncture mechanism configured to puncture a container, and a manifold in flow communication with the plurality of chambers and the puncture mechanism. The device may further include a controller configured to initiate expulsion of the fire suppressing agent from the chambers in a controlled manner, where the device is configured such that the fire suppressing agent may be first expelled from a first one of the plurality of chambers at a first time, and the fire suppressing agent may be expelled from a second one of the plurality of chambers at a second time that is later than the first time.

Abstract: A refuse collection apparatus is disclosed. A refuse collection apparatus according to one embodiment of the present invention a main body unit into which a refuse is inserted, a refuse compression unit installed in the main body unit and configured to compress the refuse inserted into the main body unit and a movement range detection unit located inside of the main body unit and configured to detect a movement range of the refuse compression unit.

Abstract: A mounting bracket for a fire extinguisher which has a base configured for attachment to a vehicle or seat; an endcap pivotably mounted to the base, wherein the endcap includes at least one receptacle which is configured to accommodate a fire extinguisher tank; and a neck clamp configured to engage a bottle neck on a fire extinguisher.

Abstract: An equipment for a remote control of fire extinguishers (10) and/or hydrants, comprising a valve group (16), equipped with a manometer and a pressure switch, which is able to control the operating pressure of the known fire extinguishers (10) and/or hydrants, wherein a plurality of micro-switches (18, 19, 20), connected with a wireless transmitter (21), send the received signals to a remote central control unit (22), that is fully programmable locally or remotely and able to send alarms and/or warnings, depending on the programming carried out, to operators, persons in charge and/or maintainers of fire extinguishers (10) and/or hydrants.

Abstract: A fire suppression system usable in an aircraft cabin comprising a portable flight case with a dual shell, linings, valves, indicators, agency/industry-approved fire extinguishers and such. The case is able to be retrieved from storage for easy hand carriage in an aircraft/cabin for rapid deployment to any location inside it wherein a fire caused by batteries such as a Lithium Ion battery used in Personal Electronic Devices (PED) has erupted and to be able to enclose the PED fire inside the unit, and discharge into the unit, the fire extinguisher through ports such that the infused extinguishing medium would rapidly envelop the PED on fire inside the flight case while simultaneously allowing the egress of the initial smoke into containing flexible bags and equalizing the displaced volume being replaced by the extinguishing medium thus maintaining a pressurized environment, to chemically interact with and suppress the fire.

Abstract: A Device which enables a person to see for himself changes in Intra Ocular Pressure when he looks at his eye in the Mirror, in the routine course of everyday, as every one likes to see his Own face and eyes in the Mirror everyday. The device being Tiny and inserted surgically with minimum incision between Iris and Cornea, enables early indication of IOP in people with high risk of Glaucoma due to high blood pressure and genetic reasons and old age, the early indication enabling timely treatment before retinal damage. The device works on pattern changes due to pressure change which is compared with fixed background pattern and changes in spacing between lines of Diffraction grating and Hologram leading to color changes due to interference effect of light. Mirror with an area of concave surface and Magnifying device along with comparison Chart enables proper monitoring of drug efficacy.

Abstract: A mixing chamber formed in a chassis outfitted with separate inlet channels for conveying pressurized liquid phase and gaseous phase and an outlet channel linking the mixing chamber with a spray nozzle via a flow tube. A separate cylindrical packing chamber is formed in the chassis, within which packing chamber a rotor with vanes is set, the vanes of which rotor intermittently close the inlet channels of the two phases formed in separate sectors of said packing chamber as demarcated by the rotor vanes, wherein the gaseous phase inlet channel is closed alternately with at least one liquid phase inlet channel conveying liquid phase into the mixing chamber via open inter-vane channels, wherein also the sector of the packing chamber containing the gaseous phase inlet channel is separated from the mixing chamber by a continuous section of a partition that closes off the rotor's inter-vane channels within this sector.

Abstract: A fire extinguishing equipment for extinguishing cooking oil fires includes fire extinguishing agent, a single-layer hot-melt resin film enclosing the fire extinguishing agent, at least one float, and a quadratic prism-shaped paper case enclosing the single-layer hot-melt adhesive film and the at least one float. The quadratic prism-shaped paper case includes a plurality of sides, at least one of which has al least one outlet.

Abstract: Fire extinguisher apparatus comprising at least one vessel containing a fire extinguishing medium and adapted to release said fire extinguishing medium when a fire or potential fire is identified characterised in that said fire extinguishing medium comprises an aqueous suspension of expanded vermiculite.

Abstract: An aerial fire suppressant delivery system uses an outer box or like structure and an inner liner. The inner liner may be a polyurethane bladder with two or more plastic straps RF welded to the polyurethane bladder. The two or more plastic straps are attached both to the bottom surface of the bladder and to the top of the outer box, which is not attached to the sides of the outer box. A fixed or rotary wing aircraft drops the container filled with fire suppressant material. As the container falls, the top of the box flies from the sides of box and the top pulls against the straps. Because the straps are attached to the bladder by RF welding, the straps tear the bladder at their attachments and cause the bladder and container to release the fire suppressant material into the air over the target.

Abstract: A fire extinguisher, a discharge nozzle assembly for discharging a fluid under pressure, and a method for discharging a wet chemical fire extinguishing agent are presented. The discharge nozzle assembly includes a nozzle housing and a nozzle body inserted in the nozzle housing and defining a plurality of parallel flow passages. In an embodiment, the nozzle body defines three flow passages that are positioned equidistant radially from the longitudinal axis of the discharge nozzle and that are arrayed in the pattern of an equilateral triangle.

Abstract: There is provided a hand-held aerosol fire suppression apparatus, having button, thermal insulating layer, jet nozzle, enclosure of apparatus, combustion chamber, rear fender and rear cap, wherein the enclosure of apparatus has an enclosure of cartridge that accommodate a chemical agent and an enclosure of cooling layer that is filled with a cooling material, the combustion chamber is installed between the enclosure of cartridge and the enclosure of cooling layer, the thermal insulating layer is arranged between the enclosure of apparatus and the enclosure of cartridge, between the enclosure of apparatus and the enclosure of cooling layer, and between the rear fender and the chemical agent. Compared to the prior art, the apparatus has the following advantages: compact in size, suitable for hand-held use, lower temperature at the jet orifice, safe and reliable ignition and operation and long service life.

Abstract: A fire extinguisher with an actuation mechanism includes a fire extinguisher body filled under pressure with a fire suppressant. The actuation mechanism includes a pneumatically controlled activation piston assembly that functions to control the release of the fire suppressant until desired by the user of the fire extinguisher. The activation piston assembly includes a housing in which a piston is positioned. The housing includes a first end and second end. The first end of the housing is covered with a first cap supporting a spring interposed between the piston and the first cap, and the second end of the housing is provided with a second cap. The piston, under the control of balanced spring bias and pneumatic pressure, allows for time controlled release of the fire suppressant from the fire extinguisher body.

Abstract: A fire suppression device includes a container body having a discharge orifice. A cooling assembly is coupled along an inner wall of the container body and includes a cooling housing body and an agent cup seat. An agent assembly coupled along the inner wall includes an agent cup with a fire suppression agent generator therein. An agent cup fitting is near an end of the agent cup and is coupled with the agent cup seat. Spacing members extend between the inner wall and at least one of the cooling housing body and the agent cup. The plurality of spacing members space the cooling housing body and the agent cup from the inner wall. An insulation layer is coupled between the inner wall and the plurality of spacing members, and a portion of the insulation layer is clamped between the spacing members and the inner wall.

Abstract: A multifunctional portable fire extinguisher system comprising: a multifunctional portable fire extinguisher with a handgun configuration that sprays fire-extinguishing liquid stored therein through a spraying portion to the outside in accordance with the actuation of a trigger; and a multifunctional portable fire extinguisher case including a housing for housing the multifunctional portable fire extinguisher and a protective cover for protecting the multifunctional portable fire extinguisher housed in the housing. The housing of the multifunctional portable fire extinguisher case includes: a first sensor unit for detecting the temperature, gas, smoke, and power failure, and for generating first detection data; and a first short range wireless communication unit for performing short range wireless communication with the multifunctional portable fire extinguisher.

Abstract: A fire extinguisher is shown and described. The fire extinguisher may include a housing, a vessel positioned within the housing, the vessel retaining a fire suppression agent therein, and a discharge port positioned in the housing and operatively coupled with the vessel, where the fire suppression agent is capable of being expelled from the discharge port. The fire extinguisher may include an electrical connector positioned on the housing, the electrical connector capable of operatively securing to an electrical outlet, where the electrical connector is rotatable relative to the housing.

Abstract: The present invention relates to a novel hand-held aerosol fire suppression apparatus, comprising thermal insulating layer (3), inner cylinder (4), aerosol generating agent (5), heat insulating material (6), jet nozzle (9), tapered jet orifice (10), enclosure (11), ignition head (12) and piezoelectric crystal assembly (13), wherein the thermal insulating layer (3) is arranged between the inner cylinder (4) and the aerosol generating agent (5), and the jet nozzle (9) is screwed to the enclosure (11) by means of a thread structure that comprises 3˜6 thread segments. Compared to that in the prior art, with the segment thread design for screwing the jet nozzle to the enclosure, the time required for removing the jet nozzle can be reduced significantly, and therefore the apparatus in the present invention has much better safety feature against accidents.

Abstract: A fire extinguisher device for aircraft has a hanger structure and a reservoir of extinguishing agent, the aforementioned reservoir being hung beneath the aforementioned hanger structure by metal fittings held by fasteners to the aforementioned hanger structure. The aforementioned extinguisher wherein the reservoir has means of suspension and the hanger structure has carriers complementary to the means of suspension, the aforementioned means of suspension and the aforementioned carriers being such that when the fasteners are withdrawn, the reservoir is in a position called the “intermediate position,” in which the metal fittings are free and the reservoir is suspended by interaction of the means of suspension and the carriers. The disclosed embodiments also relate to a method for fastening such an extinguishing device.

Abstract: The present patent application relates to a fire fighting apparatus comprising an ergonomic setting for simple, fast and safe handling during supply and use even under the most adverse conditions.

Abstract: Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self-servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that can be articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. Additional improvements include a larger opening to more quickly fill and inspect the powder within the chamber. Another improvement includes the use of a CO2 canister located external to the chamber to allow easier servicing or replacement of just the CO2 canister as well as the ability to maintain the chamber in an un-pressurized condition, allows for non-HASMAT shipping. These features will extend the service intervals while maintaining the fire extinguisher in a ready condition.

Abstract: Energy harvesting devices provide power to devices of emergency equipment stations (e.g., fire extinguisher station, fire alarm pull station, defibrillator station, etc.) distributed throughout a facility to monitor one or more internal or external conditions (e.g., identifiable objects detected near the station, presence of an obstruction restricting access to the station, etc.) and relay information about the monitored conditions to a central station.

Abstract: An extinguisher identifying device. The device comprises an extinguisher identifying device and an activation device, and a communications module. The extinguisher identifying device reads an identifying element on an extinguisher to obtain identifying data of the extinguisher. The activation device is configured to activate the extinguisher identifying device in response to a predetermined event. The communications module is configured to transmit the extinguisher identifying data to a management device.

Abstract: This invention is related to a portable texture-spraying apparatus for uniformly dispersing a viscous material. This apparatus broadly includes a tank assembly having a body with an inner wall that defines a sealed cavity, and a piston assembly slidably disposed within the sealed cavity. The piston assembly divides the sealed cavity into an air-side chamber and a material-side chamber by providing an airtight seal therebetween. Additionally an air-control assembly is provided that broadly includes a pressure-control mechanism configured for receiving compressed air and routing a controlled pneumatic pressure to a directional valve configured for adjusting between a dispensing mode and a loading mode. In dispensing mode, the directional valve routes the controlled pneumatic pressure to the air-side chamber biasing the piston assembly toward the material-side chamber.

Abstract: A jetting apparatus for fire extinguishing gas has a gas cylinder which is charged with pressurized fire extinguishing gas therein and onto an opening of which a sealing plate opening is attached. The jetting apparatus has a two part case that can receive the gas cylinder. The jetting apparatus has a seal breaking member that has a neb capable of breaking the sealing plate. The jetting apparatus has a seal breaking member holder that is attached the seal breaking member. The jetting apparatus has a mouth part of the gas cylinder that is attached detachably, and a cylinder holder that has a through hole movably housing the seal breaking member therein. The jetting apparatus has a seal breaking member holder and a cylinder holder that can relatively approach each other. The jetting apparatus has a jetting port that is provided on the outside of the apparatus and can communicate with the through hole.

Abstract: A jetting apparatus for fire extinguishing gas has a gas cylinder which is charged with pressurized fire extinguishing gas therein and onto an opening of which a sealing plate opening is attached. The jetting apparatus has a two part case that can receive the gas cylinder. The jetting apparatus has a seal breaking member that has a neb capable of breaking the sealing plate. The jetting apparatus has a seal breaking member holder that is attached the seal breaking member. The jetting apparatus has a mouth part of the gas cylinder that is attached detachably, and a cylinder holder that has a through hole movably housing the seal breaking member therein. The jetting apparatus has a seal breaking member holder and a cylinder holder that can relatively approach each other. The jetting apparatus has a jetting port that is provided on the outside of the apparatus and can communicate with the through hole.

Abstract: An extinguisher for minimizing fires includes a container for holding an extinguishing fluid, a propellant disposed within the container for expelling the fluid from the container if desired, and a nozzle for directing the fluid towards a fire. The nozzle has an input for receiving the fluid from the container and an outlet for directing the fluid towards the fire. The nozzle includes an expansion chamber disposed between the input and the outlet of the nozzle. The nozzle outlet has a restrictor for restricting flow of the fluid from the expansion chamber.

Abstract: A combination of a liquid fire extinguishing composition including potassium salts or aluminum salts of an organic acid, resulting in a viscous liquid, is finely divided by a nozzle into droplets which may be applied to a fire or fuel therefor or form a cloud of droplets which settle onto such fire and/or fuel which is particularly effective for fighting fires where fuel is at least initially contained such as oil and grease fires in cooling utensils being heated on stoves. Propellant is contained and not entrained in the dispensed fire fighting composition to avoid at least spreading of the fuel beyond the containment.

Abstract: The present invention provides a fire extinguishing device including an upright standing hollow body. An air compressor pump is connected to the hollow body for providing pressurized air to the hollow body. At least one heat activated fluid release valve is connected to the hollow body. The present invention further provides a method of configuring a tree display.

Abstract: A fire suppression system for producing an inert gas mixture having a minimal amount of carbon monoxide, particulates, or smoke. The inert gas mixture may be generated by combusting a gas generant. The gas generant may be a composition that includes hexa(ammine)-cobalt(III)-nitrate. The fire suppression system also includes a heat management system to reduce a temperature of the inert gas mixture. In one embodiment, the system includes multiple gas generators and is configured to ignite the respective gas generant of each gas generator in a predetermined, time based sequential order. For example, the gas generant of each gas generator may be ignited in a sequential order at specified time intervals. Methods of extinguishing fires are also disclosed.

Abstract: Aqueous droplets encapsulated in a flame retardant polymer are useful in suppressing combustion. Upon exposure to a flame, the encapsulated aqueous droplets rupture and vaporize, removing heat and displacing oxygen to retard the combustion process. A polymer encapsulant, through decomposition, may further add free radicals to the combustion atmosphere, thereby further retarding the combustion process. The encapsulated aqueous droplets may be used as a replacement to halon, water mist, and dry powder flame suppression systems. In one embodiment of the invention, the aqueous droplets include a gelling agent, such as sodium alginate, and are encapsulated in an alginate-based material.

Abstract: A portable fire-extinguisher comprises a metal casing (3) with an internal chamber (4) for housing a charge (5) of a solid substance which can be transformed, at a predetermined temperature, into an aerosol with flame-extinguishing properties. A delivery opening (7) puts the chamber (4) into communication with the exterior. An explosive cartridge primer (10), associated with a striker mechanism (13), is provided for triggering the reaction of the extinguishing charge (5). The primer (10) and the striker mechanism (13) are located near a distal end (5a) of the charge (5) so as to trigger the chemical reaction of the charge (5) from that end.

Abstract: Methods and apparatus for fire egress/escape comprising a first container for storing a first fluid, a second container for storing a propellant, a nozzle to mix and atomize material from the first and second containers for forming a mist to suppress flame by evaporation, and an activation mechanism to enable a user to release material in the first and second containers for generating the mist.

Abstract: A fire suppression device including a fire suppression agent generator. The device further includes trigger mechanism adapted to begin generation of the fire suppression agent from the fire suppression agent generator. A container at least partially surrounds the fire suppression agent generator and the trigger mechanism, the container includes a discharge port that directs fire suppression agent in at least two opposed directions. In one example, the discharge port extends substantially around a perimeter of the container.

Abstract: A fire extinguisher with an actuation mechanism includes a fire extinguisher body filled under pressure with a fire suppressant. The actuation mechanism includes a pneumatically controlled activation piston assembly that functions to control the release of the fire suppressant until desired by the user of the fire extinguisher. The activation piston assembly includes a housing in which a piston is positioned. The housing includes a first end and second end. The first end of the housing is covered with a first cap supporting a spring interposed between the piston and the first cap, and the second end of the housing is provided with a second cap. The piston, under the control of balanced spring bias and pneumatic pressure, allows for time controlled release of the fire suppressant from the fire extinguisher body.

Abstract: Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self-servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that fluffs, mixes or stirs the powder within the chamber to keep it in a liquefied state. Additional improvements include a larger opening to more quickly fill and inspect the powder within the chamber. Another improvement includes the use of a CO2 canister located external to the chamber to allow easier servicing or replacement of just the CO2 canister as well as the ability to maintain the chamber in an un-pressurized condition, allows for non-HASMAT shipping. These features will extend the service intervals while maintaining the fire extinguisher in a ready condition.

Abstract: This invention relates to a fire extinguisher structure in which a bottle mouth is extended upward on the top end of the bottle body, a socket being provided on the bottom of a nozzle, an inner and an outer thread segments engaging with each other being respectively formed on the socket of the nozzle and the bottle mouth of the bottle body, a plug being extended from the center of the socket of the nozzle for blocking the aperture of the bottle mouth and being in transitional fitting therewith, a leak-proof ring being put over the plug of the nozzle for abutting against the end face of the bottle mouth. In this manner, leakage of high pressure gas contained within the fire extinguisher can be effectively avoided by the plug blocking the bottle mouth, the leak-proof ring and the socket.

Abstract: A process is provided for producing an extinguishing agent. Sodium chloride and ammonium dihydrogenphosphate are dissolved in hot water at a temperature of 30 to 40° C. to form a solution. Ammonium hydrogen carbonate is dissolved into the solution, and allowed to undergo a reaction with the ammonium dihydrogenphosphate, as dissolved. The sodium chloride is present in the extinguishing agent in a ratio of 5 to 15 g per 500 ml of water, the ammonium dihydrogenphosphate is present in the extinguishing agent in a ratio of 50 to 70 g per 500 ml of water, and ammonium hydrogen carbonate is present in the extinguishing agent in a ratio of 50 to 70 g per 500 ml of water. Also provided is a process of producing a throw-type fire extinguisher.

Abstract: A multifunctional portable fire extinguisher system comprising: a multifunctional portable fire extinguisher with a handgun configuration that sprays fire-extinguishing liquid stored therein through a spraying portion to the outside in accordance with the actuation of a trigger; and a multifunctional portable fire extinguisher case including a housing for housing the multifunctional portable fire extinguisher and a protective cover for protecting the multifunctional portable fire extinguisher housed in the housing. The housing of the multifunctional portable fire extinguisher case includes: a first sensor unit for detecting the temperature, gas, smoke, and power failure, and for generating first detection data; and a first short range wireless communication unit for performing short range wireless communication with the multifunctional portable fire extinguisher.

Abstract: Disclosed is a fire extinguisher (100) comprising a fire extinguisher cylinder (10) for a fire-extinguishing agent. The fire extinguisher cylinder (10) comprises a mouth portion as an opening, a shoulder, a cylindrical body portion, and a bottom portion and is shaped with use of a resin provided with no joint. In addition, the body portion in the fire extinguisher cylinder (10) has a thickness from 1 mm to 5 mm, and a crystallinity of the resin is from 13% to 30% at the sites other than the mouth portion and the bottom portion. Accordingly, the fire extinguisher (100) is lightweight and does not rust. Further, the fire extinguisher (100) has high strength or high pressure resistance.

Abstract: A fire extinguisher, a discharge nozzle assembly for discharging a fluid under pressure, and a method for discharging a wet chemical fire extinguishing agent are presented. The discharge nozzle assembly includes a nozzle housing and a nozzle body inserted in the nozzle housing and defining a plurality of parallel flow passages. In an embodiment, the nozzle body defines three flow passages that are positioned equidistant radially from the longitudinal axis of the discharge nozzle and that are arrayed in the pattern of an equilateral triangle.

Abstract: The instant invention relates to a fire extinguishing apparatus. Particularly to an apparatus that includes at least one container that includes a fire retardant gel. The gel is formed from dehydrated superabsorbent polymer and water. The pre filled containers include at least one control valve or frangible portion to release the fire retardant to extinguish the fire.

Abstract: An extinguisher for minimizing fires includes a container for holding an extinguishing fluid, a propellant disposed within the container for expelling the fluid from the container if desired, and a nozzle for directing the fluid towards a fire. The nozzle has an input for receiving the fluid from the container and an outlet for directing the fluid towards the fire. The nozzle includes an expansion chamber disposed between the input and the outlet of the nozzle. The nozzle outlet has a restrictor for restricting flow of the fluid from the expansion chamber.

Abstract: A portable compressed gas foam system having a rocket engine, fueled with hydrogen peroxide and a suitable propellant, which produces exhaust gases. The exhaust gases are injected into a water tank, aerating the water and pressurizing the water tank. Foam concentrate may be added to the tank or separately in a mixing stage and is aerated by the aerated and pressurized water. The aeration produces bubbles in the foam and entrains exhaust gas within the bubbles. The aerated foam can then be sprayed onto a fire through a foam injection nozzle, extinguishing the fire both by wetting the burning materials and by smothering it by reducing the amount of oxygen available to burn. The invention may also be adapted for use in a firehose or in an underslung bucket.

Abstract: An apparatus for remote inspection of fire extinguishers at one or a system of fire extinguisher stations includes, e.g., at each fire extinguisher station: a detector for lack of presence of a fire extinguisher in its installed position at the fire extinguisher station; a detector for out-of-range pressure of contents of the fire extinguisher at the fire extinguisher station; a detector for an obstruction to viewing of or access to the fire extinguisher at the fire extinguisher station; and a device for transmission of inspection report information from the fire extinguisher station to a remote central station.