Abstract: A modular fire detection and extinguishing system is disclosed that is inexpensive, compact, and modular to allow easy aftermarket installation in a variety of vehicles. The system may include a detector, a trigger coupled to the detector and a gas generant fire extinguisher, a modular distribution line in fluid communication with the extinguisher and a nozzle. The system allows exhaust gas from the gas generant fire extinguisher to carry dry powdered fire suppressant from the fire extinguisher and through the nozzle to disperse the fire suppressant substantially uniformly throughout a fire hazard zone. The extinguisher is installed such that exhaust gas must aerate substantially all the fire suppressant before exiting the extinguisher.

Abstract: A location system is provided for a fire extinguisher that identifies and locates a fire extinguisher in response to a smoke alarm. The location system is connected to the fire extinguisher to permit a user to quickly locate, find and use the fire extinguisher upon the activation of the smoke alarm. The location system may take the form of a mechanical-electrical system directly connected to the fire extinguisher or may take the form of an alerting system situated very close to the fire extinguisher or connected to the fire extinguisher for transmitting a signal via free space upon the receipt of an activation signal from the smoke alarm system. The purpose of the location system is to identify the location of the fire extinguisher for a user in response to an audio alert being generated by the smoke alarm.

Abstract: A non-electrically actuated ganged fire extinguisher system for use in an enclosure of a size larger than the capacity of a single pre-engineered fire extinguisher comprises at least two pre-engineered fire extinguishers positioned at spaced locations in the enclosure. An actuation valve is mounted on the outlet of each fire extinguisher. A fluid operated valve actuator for each valve retains the valve in a closed state when the actuator is pressurized and opens the valve when the actuator is depressurized. A vent line connects the valve actuators and provides fluid communication therebetween, such that the actuators are maintained at the same pressure state. At least one non-electrical temperature sensor is mounted in fluid communication with the vent line. The temperature sensor opens an outlet to the vent line and releases the pressure therein when the temperature in the vicinity of the sensor reaches a predetermined value indicative of a fire hazard.

Abstract: A wireless automatic detection and suppression system for the detection and suppression of a hazard within an environment, the system includes a wireless automatic suppression apparatus, and at least one detector positioned about the environment to detect a hazard, each detector further includes a transceiver for transmitting a wireless signal to a receiver upon detecting a hazard. The receiver is in communication with the apparatus. The apparatus also includes a cylinder containing an extinguishing agent and a valve attached to the cylinder. The valve has at least one discharge port that may be opened such that the extinguishing agent flows through each discharge port and out a discharge nozzle positioned about the environment. A receiver is in communication with the valve such that upon receiving a wireless signal that a hazard exists in the environment the valve will automatically open and expel the extinguishing agent out of the discharge nozzle(s).

Abstract: A fire suppression system adapted for use in a lavatory of an aircraft. The system includes a water supply coupled to one or more fluid discharge nozzles via one or more fluid flow lines. A pressure source in communication with the fluid flow lines provides pressure to assist in supplying a pressurized flow of fluid through the flow line(s) to the nozzles(s). The fire suppression system creates a spray of water capable of suppressing fires within a waste container area or within the entire lavatory area. Heat sensitive valves enable the system to automatically detect the start of a fire. Furthermore, the system is capable of using the potable water supply of the aircraft or it can be self-contained with its own water supply reservoir. If self-contained, the system includes a pressurized fluid source to assist in supplying water to the discharge nozzle(s).

Abstract: An installation includes spray nozzles (1) connected to a pressurized extinguishing liquid supply line (3). Fire detecting elements are connected to elements controlling the supply of the nozzles. The installation comprises a compressed gas container (6) connected by a pipe (5) to a tank (4) containing the liquid and which itself is connected to the supply line (3). The conduit (5) is normally closed by a valve (7) with controlled opening so as to enable compressed gas contained in the container to penetrate into the tank to evacuate the liquid towards the supply line of the nozzles. The nozzles are associated with respective electrically driven fans (9) arranged in series so that an electrically driven fan located downstream of an upstream electrically driven fan sucks in the larger volume between the downstream and upstream electrically driven fans.

Abstract: A fire suppression system for a substantially enclosed area comprises: a plurality of solid propellant aerosol generators disposed about the enclosed area for exhausting a fire suppressant aerosol that is substantially void of an ozone depleting material into the enclosed area. Each aerosol generator including an ignition element for igniting the solid propellant thereof. Each ignition element of the aerosol generators being coupled to a fire control unit which is operative to ignite the solid propellant of at least one aerosol generator utilizing the ignition element thereof to exhaust fire suppressant aerosol into the enclosed area.

Abstract: A trim assembly for a fire protection system valve includes a mounting member and a piping assembly supported by the mounting member. The piping assembly includes a priming line with an inlet for receiving priming fluid from a fire suppressant fluid supply line and an outlet for delivering priming fluid to a priming chamber of the fire protection system valve. The inlet and the outlet are provided at the mounting member. The piping assembly also includes a component, which responsive to a control signal and/or a pressure differential. The component redirects priming fluid away from the outlet of the priming line in response to the control signal and/or the pressure differential for controlling the delivering of priming fluid to the priming chamber of the fire protection system valve.

Abstract: The invention relates to a method and a device for distributing liquid media, in particular extinguishing fluids for fighting fires, in the form of a mist or a stream of large droplets from a supply line which is maintained at a constant low-pressure, in rooms, for example in living spaces and recreation rooms, or similar. The aim of the invention is to provide a method and a device of the aforementioned type which can be used to produce a fine mist of small droplets and a jet spray of large droplets at separate moments, at approximately the same operating pressure of the extinguishing fluid, depending on the outbreak and the development of the fire, whilst at the same time minimising water consumption, reducing water damage caused during a fire and increasing cost-effectiveness, by creating a modular system which can be universally installed.

Abstract: An electrical fire suppression system for a structure having electrical fixtures includes a central computer system and a plurality of fire sensing devices distributed through the structure. A central fire suppression fluid tank is connected to fire suppression fluid pipes and a set of valves are mounted on the fire suppression fluid pipes to control fire suppression fluid flow therethrough, the valves being controlled by the central computer system. Each of the plurality of fire suppression fluid pipes extend into at least one of the electrical fixtures for transfer of fire suppression fluid directly thereto. Upon detection of fire, the fire sensing device signals the central computer system to determine the location of the fire and command the valves on the fire suppression fluid pipes to open to release fire suppression fluid therethrough for extinguishing the fire at the electrical fixture at which it started.

Abstract: A fire protection and extinguishing device for a water-conducting domestic appliance. When a malfunction occurs that in the appliance that could potentially result in a fire, the device protects the appliance from further damage, prevents the danger of a fire starting and can extinguish a fire, which has already started. The device includes a fault current circuit breaker, which will disconnect the electric supply to the appliance, when a fault current occurs. The device further includes a gas sensor and a water sprinkler, which will disconnect the electric supply to the appliance and activate the water sprinkler, when a specific amount of control gas occurs in the appliance.

Abstract: A building perimeter fire suppressing system for preventing brush and forest fires from engulfing building structure. The building perimeter fire suppressing system includes a water source; and also includes a plurality of pipelines having a plurality of water outlets being spaced therealong and being connected to the water source and being adapted to be disposed underground and on exteriors of building structures; and further includes valve assemblies being attached to the pipelines with each of the valve assemblies including a housing having a respective pipeline being disposed therethrough with a valve member being removably disposed inline of a respective pipeline; and also includes valve actuators being connected to the valve assemblies.

Abstract: The invention comprises a detector arrangement adjustable for inclusion in a preventive protective system for a process plant comprising at least two sensor units (10, 10′), a unit (16a, 16b) for evaluating the output signal of each sensor unit and a calculation unit (17) capable of co-operating with the evaluating units (16a, 16b), the output signals of which calculation unit can cause an activating unit (18) to pass from a first position to a second position. One or more of a first category of sensor units (10) is designed, via its circuit (16a) for evaluating output signals, to be able to determine the energy content of a particle present. One or more of a second category of sensor units (10′) is designed, via its circuit (16b) for evaluating output signals, to be able to determine the fire tendency or tendency to some other damage of the particle surroundings.

Abstract: The invention relates to a device for detecting and locating fire sources or gas impurities in one or several monitoring chambers. Said device comprises a (main) detector for detecting a fire characteristic value or a gas impurity, into which a part of the ambient air in said monitoring chambers is continuously injected by means of an intake unit through a line, arranged in each monitoring chamber and provided with intake ports. Said invention also relates to a method for individually detecting fire sources or gas impurities. The aim of the invention is to provide a device and a method, which combine, in a simple and economic manner, the advantages of gas inlet systems, such as an active intake and a concealed assembly, with the advantage of the localization of each intake port as well as the detection of a precise fire source or a precise gas impurity.

Abstract: The present invention provides apparatus and methods for pro-active, intelligent fire suppression and/or control using a micro-controller that is communicatably connected to at least one fire-energy detection sensor and to at least one fire suppression device. The present invention provides apparatus and methods for sensing the exact direction of a fire as well as a regional location of a fire. The present invention provides apparatus and methods for directing a fire suppressant at the source of the flame. As depicted in FIG. 1a, the present invention provides fine protection apparatus (10) for identifying the existence of a fire hazard and for determining the exact direction and regional location of the file hazard by using multiple infrared (IR) detectors. A first IR detector (20) with a wide angle view of an area of coverage corresponding to an area requiring fire protection will be continuously queried by a micro-controller (100).

Abstract: A fire extinguisher selectively operable either manually or automatically is disclosed. The fire extinguisher comprises a container (100), a body (200), a discharge nozzle (600), an operating rod assembly (300), and an operating lever (400). The container (100) contains an extinguishing medium (110) under a pressure. The body (200) is fitted to the upper end of the container (100) and has a passage for releasing the extinguishing medium (110) under a predetermined condition. The discharge nozzle (600) is fitted to one portion of the body (200) to communicate with the passage and discharges the extinguishing medium (110). The operating rod assembly (300) manually controls an opening of the passage by applying a predetermined external force or automatically controls an opening of the passage under a predetermined temperature condition e operating lever (400) is located at the other portion of the body (200) and applies the predetermined external force to the operating rod assembly (300).

Abstract: The present invention relates to a detector arrangement inlcuded in a preventative, protective system. The sensor lobes of at least two sensor units or sensor sections are arranged to cover the cross-sectional area of a tubular transport device. The arrangement includes a unit for evaluating the output signals of the sensor units, and an activation unit which is adapted to evaluate sensed sub-intensities relating to wavelength ranges and each deriving from said sensor units and to thus coordinate received wavelength-related and sub-intensity-dependent signals for calculating and establishing therefrom the relevant disposition of the particle to initiate fire and/or explosion or some other danger.

Abstract: An anti-fire apparatus for vehicle includes a control device coupled to a fire extinguishing device for actuating the fire extinguishing device, and a detector device coupled to the control device for operating the control device to actuate the fire extinguishing device. A device may include one or more batteries for energizing the detector device. A manual switch may be used to actuate the fire extinguishing device manually. The detector device includes a detector for detecting a vehicle collision, a fuel level and/or a fuel pressure and/or an engine temperature.

Abstract: In a fire pump adapted to force out the water, which is pumped from a water source, from a nozzle provided at a front end portion of a delivery hose, a nozzle control unit 8 adapted to control the fire pump remotely is provided in the vicinity of the nozzle. The nozzle control unit 8 is connected to a body of the fire pump 1 by power source lines 33. On the nozzle control unit 8, a control instruction unit for instructing an operating mode of the pump 1, and a numerical value display unit for displaying the operation condition of the fire pump are provided. The transmitting and receiving of an operation control signal and a condition display signal are done between the pump land nozzle control unit 8 by power line communication via the power source lines 33, whereby the operation condition of the pump 1 is feedback displayed in real time in response to a control operation of a nozzle operator.

Abstract: An Apparatus for remote inspection of emergency equipment at one or a system of emergency equipment stations includes, e.g., at each emergency equipment station: a detector for detection of the presence of an obstruction to viewing of or access to the emergency equipment station; and an electronic circuit in communication between the detector and a remote central station for issue of a signal to the remote central station upon detection of the obstruction to viewing of or access to the emergency equipment station.

Abstract: Landscape sprinkling systems that incorporate fire sensors, optional moisture sensors, and control electronics that continuously monitor the perimeter of a property for fire and/or smoke, and optionally low soil moisture conditions. When an alarm is detected, the systems automatically turn on selected sprinkler valves to water areas that would be most impacted by a fire or are in need of water. Wireless and wired system embodiments are disclosed.

Abstract: A method and device for preventing distribution of fire gases in a ventilating system that serves a number of fire compartments (15, 16), the ventilating air, during normal operating conditions, having a certain predetermined direction of flow at the inlet side and the outlet side of the fire compartments (15, 16). It is significant that when a predetermined lowest pressure drop is registered, for the ventilating air in the direction of flow, over a measuring spot at the inlet side or the outlet side, a blocking is effected of the flowing area of the ventilating air past the measuring spot.

Abstract: A fire prevention system is provided including a water sprinkler frame mounted on a house and having a plurality of sprayer nozzles for spraying water therefrom upon the receipt thereof. Also included is a water supply tank situated adjacent to the house and connected to the sprinkler frame with a pump coupled therebetween for supplying water to the water sprinkler frame upon the receipt of a heat signal. A plurality of temperature sensors mounted on the ground and spaced from a perimeter of the house or mounted to the top of the house. Such temperature sensors are connected to the pump for transmitting the heat signal thereto upon the detection of a degree of heat greater than a predetermined amount.

Abstract: The present invention relates to oil well fire suppression devices, a self contained fire suppression device serving the dual purposes of extinguishing an oil fire and thereafter sealing the well against further leakage and re-ignition. The containment vessel physicaly contains and extinguishes the fire within seconds, channels and controls escaping oil and gas, and plugs the well with a removable bladder. Heat activated valves release liquid nitrogen into the fire column to use the force of the fire to suck nitrogen into the flame and thereby assisting in extinguishing the fire.

Abstract: A fire extinguishing system is adapted particularly for incorporation with a clothes dryer in a home laundry area, for extinguishing any fire occurring from ignition of lint or other combustible material. The system may also be installed with other large, heat producing appliances (kitchen stove, etc.) for extinguishing any fire resulting therefrom. The system includes one or more conventional, heat activated fire extinguisher spray heads connected to the main water line of the structure. Each extinguisher head is secured in a fitting including an automatically actuated water shutoff valve, which closes after the fire has been extinguished to reduce water damage to the surrounding area. The system also includes an automatic disconnect or shutoff for at least the electrical circuit associated with the appliance which causes activation of the extinguisher head, and may further include an automatically actuated local (household) and/or distant (fire department) alarm.

Abstract: An automatic engine fire extinguishing system for automatically detecting and extinguishing an engine fire of a vehicle permitting a user to exit the vehicle without having to worry about actuating the fire extinguishing system. The system includes at least one canister that is mountable to the vehicle and positionable adjacent to the engine. The canister has an interior for holding a fire extinguishant under pressure. A valve is mounted on the canister for controlling a flow of the fire extinguishant from the canister. A conduit is coupled to the valve for carrying the fire extinguishant flowing through the valve away from the canister. The conduit has at least one opening for emitting the fire extinguishant from the conduit. At least one fire detector is provided for detecting a fire and opening the valve permitting the fire extinguishant to flow through the conduit exiting the opening and extinguishing a fire.

Abstract: A fire extinguishing apparatus (10) producing a mist of water vapour with a median droplet diameter of between 50 and 500 micron for extinguishing fires in a confined risk area. The mist being generated through nozzles (18) operating at <2000 kPa (i.e. low pressure). The fire extinguishing apparatus using less than 1.0 litres of water per cubic meter of the risk area in which the fire is contained (i.e. a small volume of water).

Abstract: A system and method for extinguishing or controlling a fire. The system has a source of a substance which is usable to extinguish a fire in a prescribed area, a control system, and an activation system. The control system has (a) a first state in which the substance from the source is prevented from being released to the prescribed area and (b) a second state wherein the substance from the source is permitted to be released to the prescribed area to extinguish or control a fire at or adjacent to the prescribed area. The activation system has a first ignition element which ignites in response to exposure to at least one of (a) a flame, (b) heat above a predetermined temperature, and (c) a product of combustion. The control system is changeable from the first state into the second state an incident of the first ignition element being ignited.

Abstract: Method and apparatus are presented for instrumentation of a firefighter's vari-nozzle for motion tracking and measurement of pattern selector and bail handle positions. In the embodiment presented here, brackets and associated hardware attach (1) a position tracking device to the nozzle to measure its 6-DOF (Degrees of Freedom) position and orientation, and (2) potentiometers to measure the angular positions of the two main, moving components (the bail handle and the pattern selector) of the nozzle. The mounts are attached to the brass nozzle with holes drilled into the main body of the nozzle. One application of this instrumentation is control of an augmented reality or virtual reality water stream, or other extinguishing agent. The electronic signals from potentiometers in the instrumentation permit a computer to calculate and display graphical representations of water flow from the nozzle for virtual reality and augmented reality applications.

Abstract: A system for suppressing fire in an enclosed space, e.g. an aircraft cabin or freight compartment, includes nitrogen tanks and/or generators to rapidly supply a limited quantity of nitrogen with-a high flow rate, and a membrane system to supply an essentially unlimited quantity of nitrogen at a lower supply rate for a long duration. The membrane system includes a selectively permeable membrane that separates nitrogen gas from ambient environmental air that is supplied into the membrane system. Once a fire is detected, nitrogen is supplied from the nitrogen gas tanks and/or generators at a high rate to rapidly increase the nitrogen concentration and establish a reduced oxygen concentration (e.g. 12 vol. %) in the enclosed space. Then, nitrogen is supplied from the membrane system at a reduced rate for a long duration to maintain the reduced oxygen concentration in the enclosed space until the fire is extinguished by oxygen starvation.

Abstract: A fast response, upright sprinkler head includes a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the exterior surface of the sprinkler body, extends beyond the outlet end of the sprinkler body and is connected at its apex to a deflector. A fusible trigger assembly is coupled to the yoke and the outlet end of the sprinkler head. The deflector is formed with a planar member having a skirt depending therefrom and an annular ledge extending horizontally from the skirt. The skirt depends from the planar member in an outward direction at a pre-selected angle from the vertical, and is formed with a plurality of through-holes. The fast response upright sprinkler head is configured to have a K value of at least 13.5, while the fusible trigger assembly has a fusing temperature between approximately 155° F. and 175° F.

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.

Abstract: Inerting method and apparatus reduce the risk of and extinguish fires in an enclosed space. The method provides that the oxygen content in the space is reduced to a set base inerting level and, in the event of a fire, is quickly further reduced to a complete inerting level. For carrying out the method, the apparatus includes an oxygen measuring device for the enclosed space, with a first system for producing the oxygen-expulsion gas or for extracting oxygen from the enclosed space, with a second system for rapidly feeding an oxygen-expulsion gas into the space being monitored, and with a fire detection device for detecting a fire characteristic in the enclosed space. A control unit sends a base inerting signal to the first system in accordance with the oxygen content in the enclosed space, and sends a complete inerting signal to the second system in accordance with a detection signal from the fire detection device.

Abstract: The prevent invention provides a fire prevention automation commanding control system using satellite-location/geography-information, which uses a central processing computer to integrate radio transmission, satellite location, geography information, facility control, image monitoring, underground piping control, piping monitoring, mobile/stationary communication, and a fire detection alarm device into an integrated fire prevention system performing automatic command, control, communication, information processing and on-site evidence collection, i.e., so-called C31 system, so that it is possible to rapidly detect fire and effectively command and control the rescue operation.

Abstract: An automatic sidewall sprinkler includes a body, a deflector, a closure member, and a trigger. The deflector is movably mounted between a retracted position wherein at least a portion of the deflector is recessed within the body and an extended position for dispersing pressurized fluid. The deflector includes at least two horizontal deflecting surfaces for directing the fluid outwardly and downwardly from the sprinkler. The trigger applies a biasing force to urge the deflector in the retracted position and to urge the closure member to close the outlet. Upon detecting a temperature associated with a fire, the trigger releases the biasing force whereby the pressurized fluid moves the closure member off the outlet and moves the deflector to the extended position. Preferably, the trigger includes an ejector member which urges the trigger to eject outwardly from the body to improve release of the trigger from the sprinkler.

Abstract: A dispenser (20) for attachment to a container (22) containing a fluid material, including an actuator (110) which keeps the container (22) in a substantially constantly open configuration so as to allow the fluid to pass into the dispenser (20), and a controllable outlet (36), through which a portion of the fluid is emitted from the dispenser (20), substantially independent of the fluid pressure in the container (22).

Abstract: A fire suppression system adapted for use in a lavatory of an aircraft. The system includes a water supply coupled to one or more fluid discharge nozzles via one or more fluid flow lines. A pressure source in communication with the fluid flow lines provides pressure to assist in supplying a pressurized flow of fluid through the flow line(s) to the nozzles(s). The fire suppression system creates a spray of water capable of suppressing fires within a waste container area or within the entire lavatory area. Heat sensitive valves enable the system to automatically detect the start of a fire. Furthermore, the system is capable of using the potable water supply of the aircraft or it can be self-contained with its own water supply reservoir. If self-contained, the system includes a pressurized fluid source to assist in supplying water to the discharge nozzle(s).

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.

Abstract: An air conditioner having functions of fire preventing, smoke exhausting and water spraying includes a sensor for sensing smoke or temperature so as to control operation of a wind-releasing gate, a smoke-exhausting gate, a water-spraying nozzle, and an alarm. When the sensor senses dense smoke or high temperature, smoke is quickly sucked through a wind inlet in an air conditioning box, the smoke-exhausting gate and out of a smoke outlet. At the same time, the water-spraying nozzle is started to spray water and the alarm to give out warning sound, elevating public safety.

Abstract: Deflagration suppression and explosion isolation system (10) is provided for contained hazardous material. Containment structure (12) for a highly flammable, particulate or gaseous material is connected by a conduit (16) to an area (14) for collection or processing of the material. Normally, the particulate gaseous material is conveyed via the conduit (16) to the collection or processing area (14). However, the conduit is of a length and configuration such that upon unforeseen ignition of the material in the containment structure (12), flame and combustion generated pressure resulting from the incipient explosion in the containment structure can course along the conduit (16) connected thereto toward the collection or processing area (14) in the form of a deflagration front that transitions into a detonation stage before reaching the collection or processing area unless adequately suppressed and isolated.

Abstract: A sprinkler head includes a body having one end adapted for connection to a supply of pressurized fluid and the other end closed by a valve element, and a thermally responsive assembly for normally holding the valve element in a closed position and opening the valve element at a preset temperature to cause the pressurized fluid to flow out of the other end of the body. The thermally responsive assembly includes a holder and a fusible alloy contained within the holder and held in place by a plunger. The fusible alloy is free of lead and/or cadmium and includes at least two materials selected from the group consisting of tin, bismuth, indium, zinc, gallium and silver.

Abstract: The invention provides a wet-type sprinkler system by which the water damage caused when a sprinkler heads function in a wrong way with ensuring a quick extinguishing operation at the time of fire. A suction pipe is provided for the system so as to communicate with a top part of a secondary pipeline 24 of a feed pipe arrangement 20 forming a water supply line from a water supply unit 16 to sprinkler heads 12. Further, a suction unit (an electromagnetic valve 54 and a suction pump 50) for sucking the air in the secondary pipeline section 24 from the top part of the secondary pipeline section 24 is provided onto the suction pipe 52. The suction pipe 52, the suction pump 50 and the electromagnetic valve 54 constitute a negative-pressure-securing section. In the secondary pipeline 24, which is filled with water in a normal condition water is negatively pressurized by the suction operation of the suction unit. The negatively pressurized state of the water is ensured under a normal condition.

Abstract: A fire suppression apparatus (10) including a pneumoacoustic atomizer (40) for delivering a mist of water in the form of droplets having a size range between 50-90 microns suspended in a fire suppressing gas such as nitrogen. The supply (12) of fire suppressing gas may be provided by a bottle (16) or a nitrogen generator (14). For airborne applications, the nitrogen generator (14) may be supplied with compressed air bled from a turbine engine (26) of the aircraft. To minimize the consumption of fire suppressing materials, the apparatus (10) may be operated in a pulsed mode, wherein the delivery of fire suppressing materials is interrupted unless a fire sensor (66) detects a fire re-flash. Furthermore, only those atomizers (40) proximate the location of a fire are activated in response to the detection of a fire.

Abstract: A sprinkler apparatus is provided. The apparatus comprises a sprinkler head and a sprinkler head controller. The sprinkler head has a heater and a thermal fuse, the heater is configured to generate first and second heat based on first and second currents. The thermal fuse melts by the second heat, and the sprinkler head is configured to discharge an extinguishing liquid therethrough in response to the melting of the thermal fuse. The sprinkler head controller is connected to the sprinkler head, and is configured to provide the first current to the heater and detect the amount of current flowing through the heater, and diagnose the status of the sprinkler head based on the detected current.

Abstract: The present invention is an automatic fire extinguisher that is ideally suited for use with electric or gas stoves. The automatic fire extinguishing device is designed and configured to be removably secured to any sized commercial or residential range hood so as to offer protection by having a device that will automatically extinguish a fire safely, quickly and efficiently. The structure and design of the fire extinguisher is such that it is installed easily and will be nonobtrusive and still provide for an aesthetically pleasing hood while offering protection to the consumer. The system of the present invention comprises a hollow housing that maintains a dispersing media for extinguishing a fire. A mechanical movement device is located within the housing. The mechanical movement device is in contact with the housed media. In use, once a fire is detected, this mechanical movement device will force the housed media to the outlet and innately provide a device that can utilize any media for extinguishing a fire.

Abstract: The virtual accelerator is for detecting an alarm condition within a pressurized gas sprinkler system. It has a pressure monitor for monitoring pressure within the pressurized gas sprinkler system, and generating a pressure signal representative of the pressure thereof; a sampler for sampling the pressure signal at a given frequency during a predetermined period of time, and generating a series of pressure values; and a detector for detecting variations of the pressure values, and generating an alarm signal if the variations are within a predetermined range. A method for detecting an alarm condition within a pressurized gas sprinkler system is also proposed.

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.

Abstract: The invention relates to a sprinkler comprising a holder body (3), at least one nozzle (2), a heat-activated release means (18) and a cover (13) which in a protective position is arranged in front of said nozzle when the sprinkler is in an inactive mode, the sprinkler comprising means (6, 10) for providing a displacement of the cover from the protective position to a free position in which the cover keeps clear of the nozzle so that it can spray extinguishing medium when the sprinkler is in an active mode, the holder body comprising an inlet (5) for incoming extinguishing medium.

Abstract: The invention relates to a spray head comprising a holder body (3′), at least one nozzle (2′, 2c′) and a cover (13′) which in a protective position is arranged in front of said nozzle when the spray head is in an inactive mode, the spray head comprising means (6′, 10′) for providing a displacement of the cover from the protective position to a free position in which the cover keeps clear of the nozzle so that it can spray extinguishing medium when the spray head is in an active mode, the holder body comprising an inlet (5′) for incoming extinguishing medium.

Abstract: An expansive fire extinguishing system for combating forest and brush fires at safe distances. The expansive fire extinguishing system includes a sealed and explodable container capable of being moved airborne to distant fires; and also includes fire extinguishing agents disposed in the sealed and explodable container; and further includes a manner of opening the sealed and explodable container to release the fire extinguishing agents disposed inside thereof.