A fire suppression composition for use in an enclosed space, such as a cargo hold of an aircraft, as well as a fire suppression system or device, a method of suppressing a fire, and a method for preparing a fire suppression composition, are disclosed. The fire suppression composition includes: component (1), being 50 to 95 mol % nitrogen, based on the total fire suppression composition; component (2), being 5 to 25 mol % carbon dioxide or argon or a mixture thereof based on the total fire suppression composition; and component (3), being 0 to 25 mol % helium or neon or a mixture thereof, based on the total fire suppression composition; wherein the fire suppression composition has a density in the range of 1.1 to 1.3 kg/m3 at atmospheric pressure and 20° C.
A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 99/00 - Subject matter not provided for in other groups of this subclass
A method of detecting a cell venting event in a battery pack includes determining a rate of increase of the concentration of a gas in the battery pack with respect to time, and providing an indication that the determined rate of increase of the concentration of the gas has exceeded a first preset rate of increase threshold value.
An adapter for a fire extinguisher includes a cylinder which has an internal volume for storage of an extinguishing agent and a neck through which the internal volume may be accessed, a release valve, and a dip tube. The adapter defines a first flow path through the adapter for the extinguishing agent during introduction or charging of the extinguishing agent into the internal volume of the cylinder. The adapter at least partially defines or accommodates a second flow path for the extinguishing agent through the adapter during discharging of the fire extinguisher of which the adapter is part. The first and second flow paths are different.
A62C 13/76 - Portable extinguishers which are permanently pressurised or pressurised immediately before use - Details or accessories
A62C 13/70 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by means for releasing the pressure gas
4.
CONSTANT BLEND RATIO OF FIRE SUPPRESSANT AGENTS DURING DISCHARGE
Exemplary embodiments pertain to the art of first suppressants and, in particular, to maintaining a desired and constant blend of multiple fire suppressants during discharge. The present disclosure provides fire extinguisher assemblies utilizing a constant blend ratio of fire suppressant agents during discharge. More particularly, the present disclosure provides fire extinguisher assemblies utilizing a constant blend ratio of a first fire suppressant agent (e.g., a low-boiling, high-volatility agent) and a second fire suppressant agent (e.g., a higher-boiling, lower-volatility agent) during discharge. The embodiments and fire extinguisher assemblies described herein can help keep the pressure constant during discharge of the fire extinguisher assemblies.
A62C 13/64 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
09 - Scientific and electric apparatus and instruments
Goods & Services
Apparatus and instruments for detecting fires and explosions or incipient fires and explosions; apparatus and instruments for extinguishing, mitigating or preventing fires; apparatus and instruments for suppressing, mitigating or preventing explosions or explosive conditions; apparatus and instruments for detecting, measuring and indicating temperature or overheat; apparatus and instruments for controlling temperature or overheat; control apparatus for any of the aforesaid goods; electromagnetic radiation detection, measuring and indicating apparatus and instruments; inertia and crash-operated apparatus and instruments; scientific apparatus and instruments; temperature indicating apparatus and instruments; apparatus and instruments for detecting, measuring and indicating the existence of oil mists, vapours, smoke and the like; and parts of all the foregoing goods.
An adjustable flow splitter for a distribution system, the adjustable flow splitter comprises an inlet channel for receiving fluid at a first end, the inlet channel configured to allow flow from the first end to a second end. The adjustable flow splitter also comprises a first sub-channel and a second sub-channel located at the second end, and a diverter configured to deflect the flow of the fluid from the inlet channel to at least one of the first sub-channel and/or the second sub-channel, wherein the diverter is adjustable. The adjustable flow splitter also comprises means for maintaining the position of the diverter.
F15D 1/04 - Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements or elbows with respect to flow, specially for reducing losses of flow
7.
DISCHARGE OF LOW STABILITY FIRE SUPPRESION AGENT IN AIRCRAFT CARGO BAY
A fire suppression method and system in an aircraft involves a pressurized first-stage agent, and a pressurized second-stage agent. The first-stage agent or the second-stage agent includes trifluoromethyl iodide (CF3I). A plurality of outlets discharge the first-stage agent during a first duration and the second-stage agent during a second duration. An opening of each of the plurality of outlets is located in a lower quarter of a height of a cargo compartment.
A62C 3/02 - Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
A62C 37/38 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
A62D 1/00 - Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
A62C 99/00 - Subject matter not provided for in other groups of this subclass
A fire suppression system includes at least one high pressure gas source containing an inert gas, at least one low pressure gas source containing an organic halide gas, a distribution network connected with the high pressure gas source and the low pressure gas source to distribute the inert gas and the organic halide gas, and a controller in communication with the distribution network. The distribution network includes flow control devices configured to control flow of the inert gas and the organic halide gas. The controller is configured to initially release the inert gas in response to a fire threat to reduce an oxygen concentration at the fire threat below a preset oxygen concentration threshold, and release the organic halide gas to increase an organic halide gas concentration at the fire threat above a preset organic halide gas concentration threshold while the oxygen concentration is below the preset oxygen concentration threshold.
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 37/44 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device only the sensor being in the danger zone
A62C 99/00 - Subject matter not provided for in other groups of this subclass
A fire suppression system for an aircraft cargo compartment comprises a source of fire suppression agent and a supply line for conducting the fire suppression agent to the compartment. The supply line has one or more flow control valves arranged between the source and the cargo compartment. A controller controls the flow control valve to control the supply of fire suppression agent to the cargo compartment from the source.
A62C 99/00 - Subject matter not provided for in other groups of this subclass
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A fire suppression system includes at least one first gas source containing an inert gas, at least one second gas source containing an organic halide gas, a distribution network connected with the first gas source and the second gas source to distribute the inert gas and the organic halide gas, and a controller. The distribution network includes a common manifold, input lines connecting the first gas source and the second gas source with the common manifold, output lines leading from the common manifold, and flow control devices. The controller is in communication with the distribution network and configured to distribute the inert gas responsive to a fire threat signal and determine whether to distribute the organic halide gas based upon a location of a fire threat.
A fire suppression system includes at least one high pressure gas source containing an inert gas, at least one low pressure gas source containing an organic halide gas, a distribution network connected with the high pressure gas source and the low pressure gas source to distribute the inert gas and the organic halide gas, and a controller in communication with the distribution network. The distribution network includes flow control devices configured to control flow of the inert gas and the organic halide gas. The controller is configured to initially release the inert gas in response to a fire threat to reduce an oxygen concentration at the fire threat below a preset oxygen concentration threshold, and release the organic halide gas to increase an organic halide gas concentration at the fire threat above a preset organic halide gas concentration threshold while the oxygen concentration is below the preset oxygen concentration threshold.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
A fire suppression system includes at least one first gas source containing an inert gas, at least one second gas source containing an organic halide gas, a distribution network connected with the first gas source and the second gas source to distribute the inert gas and the organic halide gas, and a controller. The distribution network includes a common manifold, input lines connecting the first gas source and the second gas source with the common manifold, output lines leading from the common manifold, and flow control devices. The controller is in communication with the distribution network and configured to distribute the inert gas responsive to a fire threat signal and determine whether to distribute the organic halide gas based upon a location of a fire threat.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
A fire suppression system for an aircraft (cargo) compartment comprises a source of fire suppression agent and a supply line for conducting the fire suppression agent to the compartment. The supply line comprises a pressure regulating device arranged between the source and the compartment and a pressure relief valve arranged downstream of the pressure regulating device. The pressure relief valve has an outlet which distributes the agent externally of the cargo compartment.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
A62C 99/00 - Subject matter not provided for in other groups of this subclass
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A fire suppression system (16) for an aircraft (cargo) compartment (8) comprises a source (18) of fire suppression agent and a supply line (20) for conducting the fire suppression agent to the compartment (8). The supply line comprises a pressure regulating device (26) arranged between the source (18) and the compartment (8) and a pressure relief valve (28) arranged downstream of the pressure regulating device (26). The pressure relief valve (28) has an outlet (30) which distributes the agent externally of the cargo compartment (8).
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
15.
Device for controlling the release of gas from a pressurised container
A device for controlling the release of gas from a pressurized container includes a plug comprising a passage therethrough and a diaphragm within the passage. The diaphragm is configured to initially prevent flow of gas through said passage, and is rupturable or displaceable to allow gas to flow through said passage once said diaphragm is ruptured or displaced. The device further comprises a screw located within the plug and comprising a lance configured to move towards said diaphragm upon rotation of the screw. The lance is configured to rupture or displace the diaphragm so as to allow flow of gas through the passage and out of the plug, once the screw is rotated a predetermined amount.
A directional valve for a fire suppression system comprises a valve member for controlling the discharge of fire suppression agent. The valve member comprises: a blocking portion to provide a closed setting for the fire suppression agent; a first orifice to provide a fully open setting for the fire suppression agent; and a second orifice to provide a restricted opening setting in which discharge of fire suppression agent is restricted. The valve member is configured so that during activation of the directional valve from a closed setting, the first orifice follows the blocking portion and precedes the second orifice in order to provide a fully open setting followed by a restricted opening setting.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 35/68 - Pipe-line systems - Details, e.g. of pipes or valve systems
A62C 37/36 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
B64C 19/00 - Aircraft control not otherwise provided for
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
A62C 99/00 - Subject matter not provided for in other groups of this subclass
17.
Aircraft fire suppression system with addressable bottle valve
A fire suppression system for a plurality of enclosures in an aircraft comprises a plurality of bottles containing fire suppression agent, a temperature sensor and a pressure sensor on each bottle for measuring temperature and pressure data of the bottle contents, an addressable bottle valve on each bottle and a control unit. The control unit is configured to analyze the temperature and pressure data for each bottle to determine adequacy of fire suppression agent content for extinguishing a fire in a particular enclosure of the aircraft. The control unit is further configured to control the bottle valves independently by using the bottle valves' addresses, in order to manage the release of fire suppression agent.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 37/44 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device only the sensor being in the danger zone
A62C 35/13 - Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
A62C 99/00 - Subject matter not provided for in other groups of this subclass
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
18.
DEVICE FOR CONTROLLING THE RELEASE OF GAS FROM A PRESSURISED CONTAINER
A device for controlling the release of gas from a pressurised container, the device comprising a plug comprising a passage therethrough, a diaphragm within said passage, wherein said diaphragm is configured to initially prevent flow of gas through said passage, and is rupturable or displaceable to allow gas to flow through said passage once said diaphragm is ruptured or displaced. The device further comprises a screw located within said plug and comprising a lance configured to move towards said diaphragm upon rotation of said screw, wherein said lance is configured to rupture or displace said diaphragm so as to allow flow of gas through said passage and out of said plug, once said screw is rotated a predetermined amount.
A directional valve (6a) for a fire suppression system comprises a valve member for controlling the discharge of fire suppression agent. The valve member comprises: a blocking portion to provide a closed setting (40) for the fire suppression agent; a first orifice to provide a fully open setting (42) for the fire suppression agent; and a second orifice to provide a restricted opening setting (44) in which discharge of fire suppression agent is restricted. The valve member is configured so that during activation of the directional valve from a closed setting, the first orifice follows the blocking portion and precedes the second orifice in order to provide a fully open setting followed by a restricted opening setting.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A fire suppression system for a plurality of enclosures (17) in an aircraft comprises a plurality of bottles (1a, 1b) containing fire suppression agent, a temperature sensor and a pressure sensor on each bottle for measuring temperature and pressure data of the bottle contents, an addressable bottle valve (2a) on each bottle and a control unit (12). The control unit is configured to analyse the temperature and pressure data for each bottle to determine adequacy of fire suppression agent content for extinguishing a fire in a particular enclosure of the aircraft. The control unit is further configured to control the bottle valves independently by using the bottle valves' addresses, in order to manage the release of fire suppression agent.
A62C 3/08 - Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
There is provided a valve for controlling the release of fire suppressant from a pressurized container, said valve comprising a diaphragm configured to perforate upon action of a shockwave directed onto the surface of said diaphragm, a pyrotechnic charge arranged and adapted to combust to produce combustion products that form a shockwave directed onto the surface of said diaphragm, and a device encasing said pyrotechnic charge. The device comprises a hollow, elongate channel located over said pyrotechnic charge and directed at the center of said diaphragm so as to focus or direct said combustion products onto the center of said diaphragm. The elongate channel has a length that is at least 1.5 times its smallest width.
A62C 13/00 - Portable extinguishers which are permanently pressurised or pressurised immediately before use
A62C 13/64 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container the extinguishing material being released by means of a valve
A62C 35/08 - Containers destroyed or opened by bursting charge
A62C 35/13 - Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
A62C 13/62 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
There is provided a valve for controlling the release of fire suppressant from a pressurised container, said valve comprising a diaphragm configured to perforate upon action of a shockwave directed onto the surface of said diaphragm, a pyrotechnic charge arranged and adapted to combust to produce combustion products that form a shockwave directed onto the surface of said diaphragm, and a device encasing said pyrotechnic charge. The device comprises a hollow, elongate channel located over said pyrotechnic charge and directed at the centre of said diaphragm so as to focus or direct said combustion products onto the centre of said diaphragm. The elongate channel has a length that is at least 1.5 times its smallest width.
A frangible plug for use in a valve mechanism, the frangible plug including a first section having a first end and an opposing second section having a second end and a cylindrical sidewall extending between the first and second ends. Also including means for applying a force on the cylindrical sidewall of the frangible plug such that the first section fractures from the opposing second section, and wherein the means for applying a force on said cylindrical sidewall extends circumferentially around the outer circumference of the sidewall.
F16K 17/38 - Safety valves; Equalising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
F16K 17/40 - Safety valves; Equalising valves with fracturing member, e.g. fracturing diaphragm, fusible joint
A frangible plug for use in a valve mechanism, the frangible plug comprising: a first section 1 having a first end 13 and an opposing second section 2 having a second end and a cylindrical sidewall 16 extending between the first and second ends; means 100 for applying a force on the cylindrical sidewall of the frangible plug such that the first section fractures from the opposing second section, and wherein the means for applying a force on said cylindrical sidewall extends circumferentially around the outer circumference of the sidewall.
A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
A temperature switch comprises a material (14) which melts and concomitantly undergoes a change in an electrical characteristic at a predetermined temperature. The temperature switch also includes at least two electrical contacts (10, 12) for detecting the change in the electrical characteristic. The material (14) comprises an organic cation and an anion and is preferably an ionic liquid.
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
(1) Fire detectors, overheat detectors, temperature indicators, temperature measuring apparatus.
(2) Parts of all the said goods, namely, fire detectors, overheat detectors, temperature indicators, temperature measuring apparatus.
(3) Temperature controllers.
(4) Parts of all the said goods, namely, temperature controllers.
09 - Scientific and electric apparatus and instruments
Goods & Services
INSTRUMENTS AND APPARATUS FOR THE COMBINED DETECTION OF THE PRESENCE OF EXPLOSIVE CONDITIONS AND FOR SUPPRESSING OR MITIGATING EXPLOSIONS AND COMPONENT PARTS THEREOF; AND FIRE INDICATING INSTRUMENTS, TEMPERATURE INDICATORS AND TEMPERATURE REGULATORS AND PARTS THEREOF
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
(1) Electric switches and parts of electric switches made of ordinary metal, parts of internal combustion engines for aeroplanes and fire extinguishing apparatus.
(2) Instruments and apparatus for the detection of the presence of explosive conditions and for suppressing or mitigating explosions; fire indicating instruments, temperature indicators and temperature regulators and parts thereof; fire and explosion warning alarms, moving craft inertia and crash-operated electrical devices; apparatus and instruments for testing the continuity of electrical circuits; apparatus and instruments for testing and measuring the characteristics of electrical and electronic circuits and circuit components; temperature responsive devices, thermostats, fire detectors, electric connectors; and parts of all the aforesaid goods; electrical apparatus for detecting the existence of oil mist, vapours, smoke and the like, and parts thereof.
