Class / Patent application number | Description | Number of patent applications / Date published |
169009000 | Gas-pressure discharge | 22 |
20090133885 | Propulsion device for an agent contained in a cavity - A propulsion device for an agent, such as an extinguishing or cooling agent, contained in a cavity has at least a cap and a port configured to open above a calibrated pressure inside the cavity. A pressure generator is fastened to the cap and triggers the propulsion of the agent. The pressure generator has at least two containers, each having an exit ending inside the cavity and releasing a propulsion gas. At least one container is pressurized with an inert-type gas, such as helium, suited for minimal temperature fluctuations induced inside the cavity during a relief of pressure of the gas from at least one of the containers. When the gas expands it is the direct mechanical propellant of the agent. | 05-28-2009 |
20090139734 | FIELD CONVERTIBLE VALVE AND SPRINKLER SYSTEM - A fire suppression sprinkler system convertible between a wet and a dry mode of operation is disclosed. The system features a field convertible valve having a bypass loop with a bypass valve for selectively configuring the valve for wet or dry mode operation. For dry mode operation, the bypass valve is open. The field convertible valve also has a system actuator, a gas control valve and a water supply shut-off valve which are open in the dry mode. In the wet mode of operation, the bypass valve is open and the gas control and water supply shut-off valves are closed. The field convertible valve operates in a latch mode controlled by the system actuator in the dry mode, and as a flapper valve in the wet mode of operation. A method of converting the mode of operation of the sprinkler system is also disclosed. | 06-04-2009 |
20090159300 | DEVICE FOR INCREASING THE EFFECTIVENESS OF THE PRESSURIZING GAS IN AN EXTINGUISHER BOTTLE - A fire extinction device comprises a reservoir ( | 06-25-2009 |
20100065285 | BI-DIRECTIONAL HORIZONTAL SPRAYING AEROSOL FIRE-EXTINGUISHING APPARATUS - A new bi-directional horizontal spraying aerosol fire-extinguishing apparatus is disclosed, which comprises a shell structure, an aerosol generator including an aerosol generating agent and disposed inside the shell structure, and a control unit for initiating the aerosol generator. The bi-directional horizontal spraying aerosol fire-extinguishing apparatus of the present invention is characterized in that both ends of the shell structure or of the aerosol generator are respectively provided with an aerosol exhaust passage. The advantages of the present apparatus are in that it can reduce the spraying time of the aerosol extinguishing agent in the case of ensuring the fire-suppression efficiency, and increase the charge capacity of the fire-extinguishing apparatus, so that the capacity efficiency of the present apparatus is totally increased, and the present apparatus is easy and safe to be installed and does not occupy the useful space. | 03-18-2010 |
20100230118 | FLUID EJECTION DEVICE WITH REINFORCED SEAL - A compact device for ejecting a fluid including two chambers separated by a separating element of piston type. One of the chambers contains the fluid intended to be ejected, the other chamber is a pressurization chamber, the pressurization of which can cause translational movement of the separating element and ejection of the fluid. The pressurization chamber includes a thimble capable of sealably separating the inside of the pressurization chamber from the side walls of the reservoir. Thus, a seal between two chambers is perfect and durable without degrading slidability of the piston. | 09-16-2010 |
20100294518 | HYBRID INERT GAS FIRE SUPPRESSION SYSTEM - A hybrid fire suppression system includes a supply of pressurized inert gas, a pipe network connected in inert gas flow communication to the inert gas supply, a first inert gas nozzle, a second inert gas nozzle, and a water storage cartridge having an interior volume defining a water reservoir storing a limited amount of water. The water reservoir communicates with the second inert gas spray nozzle. The first inert gas nozzle connects with the first terminus for introducing a flooding flow of inert gas only into a first protected space. The second inert gas nozzle connects with the second terminus for introducing a flooding flow of inert gas and the limited amount of water from the water reservoir into the second protected space. | 11-25-2010 |
20100319937 | SYSTEM AND METHOD FOR SUPPRESSING FIRES - A fire suppression apparatus includes a canister containing a non-azide solid propellant chemical that generates an oxygen-displacing gas mixture when ignited; a pyrotechnic device associated with the canister for initiating ignition of the solid propellant chemical to generate the oxygen-displacing gas mixture; and at least one filter associated with the canister for filtering out contents of the oxygen-displacing gas mixture to result in a clean agent fire suppressant deliverable into a space. The fire suppression apparatus is preferably configured for use in fire suppression systems for normally occupied spaces. | 12-23-2010 |
20110005780 | FIRE SUPPRESSOR CYLINDERS WITH ENHANCED BUBBLE PRODUCTION - A fire suppression cylinder includes a valve at an outlet of a canister, and a control for the valve. The canister receives a liquid suppressor agent and a pressurized gas. A feature within a portion of the canister will receive the liquid suppressor agent. The feature increases the formation of gas bubbles within the liquid suppressor agent. | 01-13-2011 |
20110226492 | Fire Suppression System Including an Integral Time Delay and Output Starter with Attach and Detach Firing Pin Assesmbly - A two-part starter mechanism for a powder aerosol generator fire suppression system is provided. Generally, the starter mechanism includes a pyrotechnic igniter assembly and a removable mechanical trigger coupled thereto. The igniter assembly is integrally formed with and/or embedded within the powder aerosol generator and operable, upon activation by the mechanical trigger, initiates a chemical reaction leading to the discharge of the powder aerosol fire suppressant. By being detachable, the mechanical trigger may be transported and stored separate from the pyrotechnic igniter thereby improving the overall safety of the fire suppression system. | 09-22-2011 |
20120279729 | FLUID EJECTION DEVICE - A fluid ejection device for example used as a fire extinguisher in which ejected fluid is an extinguishing agent in liquid or powdery form. The device includes: a cylinder shaped tank, split hermetically, perpendicular to its axis, into two chambers by a piston, slidable axially inside the tank; a first chamber, including a non-gaseous fluid, which communicates with an ejection port closed by a cap, which can open for a pressure greater than or equal to a defined pressure in the first chamber; a second pressurization chamber to be connected to a mechanism increasing pressure in the chamber; and a mechanism to link the piston to the tank in full fixity at a storage position, which mechanism can break and release the piston for axial translation at a pressure higher than or equal to a given pressure in the pressurization chamber, to cause the fluid to be ejected. | 11-08-2012 |
20130056229 | Device For Compensating A Filling Level - A device for compensating a filling level ( | 03-07-2013 |
20130098636 | AUTOMATIC FIRE EXTINGUISHING SYSTEM WITH INTERNAL DIP TUBE - An automatic fire extinguishing system includes a canister having a central axis, an outlet port disposed on the canister, a dip tube having dip tube side holes and inlet openings, and disposed in the canister about the central axis and in partial fluid communication with the canister and coupled to the outlet port, a propellant gas mixture disposed within the canister and a gaseous fire suppression agent disposed in the canister. | 04-25-2013 |
20130098637 | AUTOMATIC FIRE EXTINGUISHING SYSTEM HAVING OUTLET DIMENSIONS SIZED RELATIVE TO PROPELLANT GAS PRESSURE - An automatic fire extinguishing system includes a canister having a central axis, an outlet port disposed on the canister, a dip tube disposed in the canister about the central axis and in partial fluid communication with the canister and coupled to the outlet port, a propellant gas mixture disposed within the canister; and a gaseous fire suppression agent disposed in the canister, wherein a diameter of the outlet port is sized relative to a pressure of the propellant gas mixture. | 04-25-2013 |
20130098638 | N2/CO2 FIRE EXTINGUISHING SYSTEM PROPELLANT GAS MIXTURE - An automatic fire extinguishing system includes a canister having a central axis, an outlet port disposed on the canister, a dip tube disposed in the canister about the central axis and in partial fluid communication with the canister and coupled to the outlet port, a propellant gas mixture of CO | 04-25-2013 |
20130098639 | AUTOMATIC FIRE EXTINGUISHING SYSTEM WITH GASEOUS AND DRY POWDER FIRE SUPPRESSION AGENTS - An automatic fire extinguishing system includes a canister having a central axis, an outlet port disposed on the canister, a dip tube disposed in the canister about the central axis and in partial fluid communication with the canister and coupled to the outlet port, a propellant gas mixture disposed within the canister, a gaseous fire suppression agent disposed in the canister and a dry powder fire suppression agent disposed in the canister. | 04-25-2013 |
20130146314 | HIGH RATE DISCHARGE (HRD) VALVE OPENING MECHANISM FOR A FIRE AND EXPLOSION PROTECTION - A valve actuation mechanism has a plurality of links. Each link has a proximal end and distal end, and the links are disposed adjacent a valve member. The actuation mechanism also has at least one roller connected to the distal ends of at least two links. The roller contacts a surface of the valve member. In addition, at least one pivot for each link is present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links. | 06-13-2013 |
20130333902 | SYSTEM AND METHOD FOR SODIUM AZIDE BASED SUPPRESSION OF FIRES - A fire suppressing gas generator includes a cylindrical housing comprising an array of discharge ports distributed generally uniformly therearound; a cylindrical filter disposed within the housing and spaced from the interior wall of the housing; a plurality of azide-based propellant grains inside the cylindrical filter; and at least one ignition device associated with the propellant grains. The propellant grains when ignited by the ignition device generate a fire suppressing gas which passes through the filter and out of the discharge ports of the cylindrical housing for delivery into a space. | 12-19-2013 |
20140202714 | CONTROLLED DISCHARGE GAS VENT - A fire protection system includes a dry pipe system and a controlled discharge gas vent. The dry pipe system and controlled discharge gas vent operate using a breathing cycle to displace oxygen and/or water vapor from within the piping network of the dry pipe system. The controlled gas discharge vent allows displacement of pressurized air with nitrogen, for example, using manual or automated processes that can employ one or more sensors. Corrosion resulting from oxygen, water, and/or microbial growth is reduced or nearly eliminated. | 07-24-2014 |
20150122512 | FOAM-TYPE FIRE DISTINGUISHING DEVICE - A The foam-type fire distinguishing device includes a water supply unit, a container, a mixing tank, an increasing pressure tank, a pressure device, a transmitting unit and a spray device. The transmitting unit delivers water from the water supply unit and the foam agent from the container to be mixed in the mixing tank to create the water-foam mixture which is then sent to the increasing pressure tank which introduces pressurized air to the water-foam mixture to create fine foams. The water-foam mixture with fine foams are sprayed from the spray device to increase the spread area to increase the efficiency of distinguishing fire. | 05-07-2015 |
20150375023 | Fire-Extinguishing Binary Chemical Condensation Composition and Apparatus for Extinguishing Fires - Fire-extinguishing composition comprising a gaseous phlegmatizer propellant of carbon dioxide mixed with nitrogen or air, a liquid alkaline phlegmatizer which is a mixture of aqueous ammonia with neutral inhibitor, namely fluorinated film-forming foaming agent and/or solution of a caesium salt in ratio of aqueous ammonia to neutral inhibitor ranging from 99:1 to 80:20, and acid neutralizer and propellant consisting of a carbon dioxide mixture, pressure stabilizer, namely nitrogen or air, and antifreeze in volume ratio ranging from 80:15:5 to 97:2:1. Device comprises a tank with chemical inhibitor, gas cylinder connected to cavity of said tank by tube aerator, start-intake device, and outlet pipe connected to a tubular nozzle atomizer via a valve. There are no fewer than 3 slit-like nozzles with reduced angle of inclination relative to the horizontal. Furthest nozzle from end of atomizer is perpendicular to horizontal, and dispersion vector of end nozzle is parallel to horizontal. | 12-31-2015 |
20160074686 | FIRE DETECTION TUBE USED FOR AUTOMATIC FIRE EXTINGUISHING DEVICE AND THE AUTOMATIC FIRE EXTINGUISHING DEVICE - The present invention provides an automatic fire extinguishing device that can detect a fire at the temperature lower than 120 degrees Celsius and that can be installed for a long term in a state of maintenance-free. | 03-17-2016 |
20160082299 | SELF CONTAINED FIRE SPRINKLER UNIT - A system for delivering fluid, in some embodiments, for suppressing fires is provided. The system may include a main tank forming a cavity for receiving a fluid, wherein the main tank provides an air inlet valve and a fluid outlet line in communication with the cavity yet both are separately connectable to components external to the cavity. The air inlet valve may be operably connected to an air compressor, while the fluid outlet line may be connected to an adaptable piping apparatus that terminates in at least one sprinkler head. The piping apparatus may be configured and adapted to provided a non-intrusive and in expensive fluid delivery system. | 03-24-2016 |