| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 169014000 | Plural source, mixing in transit | 32 |
| 20090095492 | Fire fighting foam dispensing system and related method - A fire fighting foam dispensing system includes a water inlet adapted to receive a flow of water, a first variable speed pump adapted to inject foam concentrate into the flow of water, a second variable speed pump adapted to inject foam concentrate into the flow of water, a foam outlet adapted to discharge fire fighting foam, a measuring apparatus adapted to measure flow rate in at least one of the water inlet and the foam outlet, and a system controller adapted to detect the flow rate from the measuring apparatus, and activate the second variable speed pump only upon the measured flow rate exceeding a predetermined flow rate value. | 04-16-2009 |
| 20090101366 | Homeland fire suppression system - A fire suppression system for effectively subduing fires. The fire suppression system comprises an underground water tank having a first predetermined size specifically calculated to meet the needs of such property to be protected. A pre-charged foam proportioning device containing dry foam powder is engageable with the underground water tank. The system includes a system engageable with such underground water tank and with such foam proportioning device for dispensing a water/foam mixture for such property to be protected. | 04-23-2009 |
| 20090266564 | High expansion foam fire-extinguishing system - In order to prevent foaming ratio from being degraded, there is provided a high expansion foam fire-extinguishing system (B) including: a foam generator body ( | 10-29-2009 |
| 20100116512 | Fire suppression apparatus and method for generating foam - A fire suppression apparatus and method of generating foam are provided in which a foam-forming liquid is introduced under high velocity and pressure into a mixing manifold through a plurality of jets, and a non-combustible gas is introduced under high velocity and pressure into the center of the mixing manifold, downstream of the jets and in the direction of flow of the foam-forming liquid. The foam generated in the mixing manifold is discharged through a hose and nozzle connected to the mixing manifold. The apparatus may be a self-contained unit, supported on a frame, with its own supply of foam-forming liquid and non-combustible gas. | 05-13-2010 |
| 20100175897 | Self-sustaining compressed air foam system - A Self-Sustaining Compressed Air Foam System that utilizes a vacuum proportioning blending console, delivering pre-determined amounts of fire pre-suppressant/suppressant foam concentrate with ratios from 0.01% to 6% and water when used in concert with a vacuum dispensing closure for tight head pails dispensing said foam concentrate that is plumbed to either an air operated pump or solar powered electric pump on the inlet side producing a pre-suppressant foam solution. A second blender/mixer/agitator conjoins an inert pressurized gas or air at the outlet of the pump variables to produce the finished pre-suppressant/suppressant foam product for various applications including structure protection in wild fire events. A special nozzle can be used as the applicator that reduces pressure/velocity of the finished foam to allow the user to work in confined areas and/or in areas that are normally out of reach of the foam stream projected. | 07-15-2010 |
| 20100218957 | Fire Extinguishing Device and Extinguishing Head - The fire extinguishing device is equipped with double-flow extinguishing head including side and central header, water pump /P/ connected to an extinguishing liquid source, particularly to water tank /W | 09-02-2010 |
| 20110056707 | Fire-Extinguishing System and Method for Operating Servo Motor-Driven Foam Pump - Embodiments of the invention provide a fire-extinguishing system and method for injecting foamant into a stream of water. The system can include a flow meter determining a flow rate of the stream of water and a foam pump having an inlet coupled to a supply of foamant and an outlet coupled to the stream of water. The system includes a servo motor driving the foam pump. The servo motor includes a sensor used to determine a rotor shaft speed and/or a rotor shaft torque. | 03-10-2011 |
| 20110056708 | Fire-Extinguishing System with Servo Motor-Driven Foam Pump - Embodiments of the invention provide a fire-extinguishing system for injecting foamant into a stream of water. The system can include a flow meter determining a flow rate of the stream of water and a foam pump having an inlet coupled to a supply of foamant and an outlet coupled to the stream of water. The system includes a servo motor driving the foam pump. The servo motor includes a sensor used to determine a rotor shaft speed and/or a rotor shaft torque. A controller can control an operating speed of the servo motor using closed-loop control depending on the flow rate and the rotor shaft speed and/or the rotor shaft torque. | 03-10-2011 |
| 20110226494 | Compact Fire-Extinguishing System with High-Pressure Foam Proportioning System - A compact, stand-alone fire-extinguishing system for use with a water source is disclosed. The fire-extinguishing system can include an engine, a pump, a foam tank, a flow meter, and a foamant adjustment valve. The flow meter can be a variable area flow meter and indicate an instantaneous concentration of a water-foamant solution. The foamant adjustment valve can be a needle valve. A head injector can be coupled to the pump. The head injector provides foamant to be mixed with water inside the pump to create a water-foamant solution. The fire-extinguishing system may also include an inlet mixing valve assembly and an unloader valve to recirculate the water-foamant solution. | 09-22-2011 |
| 20120018176 | FIRE SUPPRESSION NOZZLE - A fire extinguishing device for the uniform distribution of compressed air foam for fire suppression, connected to a piping network of a CAF system. Multiple nozzles of different types are connected to a single body, set at specific angles both horizontally and vertically. Each nozzle is selected to provide a set discharge spray angle and positioned in the body of the device to provide the proper distribution. The device body has a female thread at the inlet for connection to the CAF system in addition to female outlets at the discharge for connection of spray nozzles. The device may be used to create a 360° spray pattern or a 120° spray pattern depending on the application. | 01-26-2012 |
| 20120168184 | Fire Suppression System - A fire suppression system for a container including a first tank containing a first liquid component of a two-part foam and a second tank containing a second liquid component of the foam. The system also includes at least one liquid component release device configured to be selectively capable of releasing the first and second components from their respective containers upon receipt of a signal from a fire detector upon detection of a fire. The two-part foam components are propelled through the system by a pressurized propellant that, upon release of the release device, causes the exit of the foam components from their respective tanks, through a mixing conduit to at least one nozzle. The nozzle is configured to spray the liquid component foam mixture into the container wherein the foam cures into a substantially semi-rigid, closed cell foam that is substantially impermeable and may have charring and/or intumescence properties. | 07-05-2012 |
| 20120247790 | FOAM PROPELLANT SYSTEM - A foam propellant system can be transportable and used by individuals to suppress a fire or cover a spill area. The system may include a water and/or foam concentrate source and a compressed air source. The water and/or foam concentrate may be mixed together with the compressed air in a mixing tube under pressure producing an expanded fluffy foam that can be propelled into the desired area. | 10-04-2012 |
| 20120305272 | FOAM GENERATING DEVICE FOR FIRE HOSES - A foam generating device for a fire hose, comprising a socket designed to be attached to a water supply hose, a hose nozzle consisting of a first end wherein air inlets are made and of a second end for spraying the foam, an intermediate body attached between the socket and the first end of the hose nozzle and allowing the creation of several separate water jets passing through. The intermediate body is so arranged as to receive an emulsifying fluid and to pre-mix it with the water jets by aspiration and by contact of the emulsifying fluid with the water jets, then to spray the jets of water-emulsifier premix and to stir them with the air streams in the hose nozzle. | 12-06-2012 |
| 20130037277 | Foam Generating Apparatus - This invention is directed to a foam generating apparatus having a mixing chamber housing inside a tank; a fluid injection head inside the mixing chamber housing for receiving the foaming agent traveling along an initial flow direction; a flow spoiler included in the fluid injection head for changing the initial flow direction of the foaming agent entering the fluid injection head; a first mixing chamber; a plurality of fluid ports included in the fluid injection head allowing foaming agent to exit the fluid injection head and enter the first mixing chamber thereby creating an intermediate foam in the first mixing chamber; a gas port allowing pressurized gas to mix with the intermediate foam generating output foam. | 02-14-2013 |
| 20140138102 | EFFERVESCENT FIRE SUPPRESSION - An exemplary fire suppression system includes a nozzle body configured to carry a fire suppressing fluid to be discharged from a first orifice array and a second orifice array. Gas bubbles can be introduced through a bubbler into the fire suppressing fluid to establish a bubbly mixture in the nozzle. Each first orifice in the first orifice array has a first flow property and is configured to receive the bubbly mixture and through effervescent atomization yield a first fire suppression mist from the first orifice array. Each second orifice in the second orifice array has a second different flow property and is configured to receive the bubbly mixture and through effervescent atomization yield a second fire suppression mist from the second orifice array. The first fire suppression mist and the second fire suppression mist are configured to provide a selected fire suppression nozzle discharge. | 05-22-2014 |
| 20150075820 | PORTABLE FIREFIGHTING AGENT DELIVERY SYSTEM - An extendible firefighting nozzle and supply mechanism for use in penetrating materials and debris for fighting concealed fires in, for example, coal supply, bulk wood chip and combustible grain silo fire incidents. The system includes three primary components to deliver firefighting foam, water and/or inert gas to the fire area. The components include a distribution manifold, a sectional delivery piping extension and interchangeable spray nozzles that are tailored to the specific need. The manifold is a length of piping having handles for the operator to grip and reliably use the system, a hammer cap that allows the user to employ a sledge hammer or impact driver to assist in driving the system into the debris pile or fire area and an output end that interfaces with a nozzle of any number of extension pipes. The interface is modular and threaded using NPTM threading to allow extensions to be added or removed depending on the depth of penetration required. | 03-19-2015 |
| 20150297924 | SPRINKLER SYSTEM INCLUDING A MIXING DEVICE UPSTREAM OF A SPRINKLER - An exemplary sprinkler system includes a liquid supply conduit and a gas supply conduit. A mixing device is coupled to the liquid supply conduit and the gas supply conduit. The mixing device is configured to establish a mixture of liquid from the liquid supply conduit and gas from the gas supply conduit. The mixture has a selected gas-to-liquid ratio. A sprinkler supply conduit is coupled with the mixing device for carrying the mixture downstream from the mixing device. A sprinkler coupled with the sprinkler supply conduit is configured to receive the mixture and to discharge a fire suppression mist. | 10-22-2015 |
| 169015000 | Stream impregnating | 15 |
| 20080217026 | Composition for fighting fire, device for use therewith and methods of making and using - A fire-fighting foam is made by cooling a liquid concentrate, combining the cooled liquid concentrate composition with an expansion gas, and allowing the combined liquid concentrate and expansion gas to expand. A diffuser for dispensing a fire-extinguishing product has a discharge line having an interior, a discharge line intake and a diffuser outlet. There is a casing around a portion of the discharge line, the casing enclosing a space around said portion of the discharge line. The casing has an inlet and an outlet, and the discharge line has an aspirator inside the casing. A fire-fighting foam can be made by flowing a liquid concentrate through the diffuser via the diffuser intake, flowing an expansion gas into the inlet, and dispersing the liquid-gas composition via the diffuser outlet to yield a fire-fighting foam. | 09-11-2008 |
| 20080236846 | Stationary fire fighting foam system and method - Embodiments of the invention provide a stationary fire fighting system for retrofitting into a structure. The system can include a flowmeter in fluid communication with a water line in the structure. The flowmeter can generate a flow rate signal. The system can include a controller connected to the flowmeter and a proportioner pump connected to the controller. The system can include an additive supply tank in fluid communication with the proportioner pump. The controller can operate the proportioner pump based on the flow rate signal to provide additive from the additive supply tank to the water line to create a solution. The system can include at least one sprinkler head to distribute the solution within the structure. | 10-02-2008 |
| 20090056957 | Method and apparatus for improving fire prevention and extinguishment - The instant invention relates to an apparatus and method for fire extinguishment and retardation. The method comprises of a means for introducing polymeric material to a flow of water from an outside source before the flow of water enters a pumping unit within a mobile fire fighting apparatus, thereby forming a mixture of water and polymeric material. An eductor assemblage provides a means of introducing the polymeric material to the flow of water. The eductor assemblage comprises of a hopper and an eductor member. The hopper contains an amount of polymeric material, specifically super absorbent polymers. The eductor member comprises of an inlet connectable to the outside source of water, an outlet in fluid communication with the inlet and connected to the intake on a mobile fire fighting apparatus, and an additive inlet positioned between the inlet and outlet. The additive inlet is connected to the hopper and in fluid communication with the eductor member wherein a flow of the source of water from the inlet to outlet educts the super absorbent polymers through the additive inlet by venturi and flows into the eductor member forming a mixture for dispensing through the outlet onto combustible sources. | 03-05-2009 |
| 20090288845 | FIRE EXTINGUISHING APPARATUS - A foam type fire extinguishing apparatus includes a selector which is operable to produce selected constant air flows for mixing with foam to provide variations in foam consistency and strength in accordance with the type of foam agent being used and the type of fire to be extinguished. The selector has a plurality of outputs with tunable valves connected with each output except for a first output. Each valve is adjusted to provide a different flow rate. By operating the selector to choose the appropriate output, different air flows are provided for mixture with the foam. | 11-26-2009 |
| 20100000744 | HIGH EXPANSION FOAM FIRE-EXTINGUISHING SYSTEM - To obtain a desired foam expansion ratio even after aspiration of smoke, provided is a high expansion foam fire-extinguishing system, which discharges foam using a foam solution that has a dynamic surface tension γ of 25 mN/m or less, which is measured at a life time of 100 msec by a maximum bubble pressure method under a condition of a liquid temperature of 20° C. | 01-07-2010 |
| 20100122823 | FOAM-GENERATING DEVICE OF A FIRE NOZZLE - A fire nozzle foam-generator homogeneously expands a water/foam-forming agent and air premix. A nozzle spout is coaxial with a divergent cone having splines that generate divergent, strong, and separate jets of the premix that are incident on an internal surface of the nozzle spout where the jets merge to cause sucking of air towards the inside of the nozzle spout. As a result, the contact surface area between the air and premix increases, there is powerful mixing between the air and the premix, and an increase in to the range of the foam jet by progressive acceleration of the premix. | 05-20-2010 |
| 20100314137 | Fire fighting foam proportioning devices and systems having improved low flow performance - Improved fire fighting foam proportioning devices and systems include an improved ratio controller and an improved bladder tank. The improved ratio controller is characterized by a modified foam concentrate metering orifice disposed in a foam concentrate inlet proximate to an annular low pressure chamber, the metering orifice having a central circular passage having a length at least 50 per cent of the diameter of the passage, the improved orifice decreasing the turbulence of foam concentrate and providing a smoother flow transition into the annular low pressure chamber. The improved bladder tank is characterized by a modified discharge tube having a plurality of holes disposed along its length, wherein the combined area of holes per foot of length is at least 50 per cent of the inner diameter of the discharge tube. | 12-16-2010 |
| 20120012345 | Smart Connector for Integration of a Foam Proportioning System with Fire Extinguishing Equipment - Embodiments of the invention provide a fire extinguishing system including an electronic control unit in communication with a software library, a foam proportioning system including foam proportioning equipment, and a smart connector. The smart connector includes a controller, and the smart connector is connected to the foam proportioning equipment. The controller automatically initiates an authentication procedure when the smart connector is connected to the electronic control unit. The controller causes the electronic control unit to automatically unlock at least one routines in the software library after the authentication procedure is complete to enable control of the foam proportioning equipment. | 01-19-2012 |
| 20120067598 | Home safety kit - A system for enhancing the fire extinguishing properties of water for use in combination with a pressure washer. The pressure washer distribution wand includes a nozzle located at the discharge end of the wand having an inlet for receipt of pressurized water, an eductor formed integral with said nozzle positioned along an area of reduced diameter for use in drawing polymeric material through a pick-up tube for admixing with the pressurized water, and an outlet for discharge of the mixture of water and polymeric material. The system provides a means for a homeowner to quickly modify an existing pressure washer into a distribution system of a mixture that enhances the fire resistance of structures, vegetation, or any other combustible matter. | 03-22-2012 |
| 20120193108 | Method and Apparatus for Extinguishing Fires - A unique method and apparatus for suppressing the spread of and extinguishing fires in confined areas such as underground tunnels and conduits. The new method includes mixing a super absorbent polymer supplied from a backpack, in one embodiment, with water to form a hydrated super absorbent polymer and applying this admixture to an electrical fire. The super absorbent polymer can be contained in a backpack. The admixture has the ability to cling to the object(s) to which it has been applied and either cool down the object(s) after it is on fire, or block the fire from reaching the object. The super absorbent polymer and water admixture also encapsulates the noxious and toxic gases and prevents the release of these toxic gases into the atmosphere. The super absorbent polymer and water admixture retains the ash, particulates, and other byproducts of the electrical fire to enable a rapid and thorough cleanup. | 08-02-2012 |
| 20130284462 | Home safety kit - An apparatus for enhancing the fire extinguishing properties of water for use in combination with a pressure washer. The pressure washer distribution wand includes a high pressure nozzle attached to the discharge end of the wand. The nozzle is positioned in a mixing chamber adjacent to an inlet coupled to a source of dry polymeric material. The velocity of the water exiting the high pressure nozzle vacuums the polymeric material through a pick-up tube into the mixing chamber for admixing with the pressurized water without clogging. The mixture of water and polymeric material is discharged through another nozzle. The system provides a means for a homeowner to quickly modify an existing pressure washer into a distribution system of a mixture that enhances the fire resistance of structures, vegetation, or any other combustible matter. | 10-31-2013 |
| 20140131055 | Method and apparatus for improving fire prevention and extinguishment - The instant invention relates to an eductor assembly for mixing polymeric material with water for fire extinguishment and retardation. An eductor assemblage provides a means of introducing the polymeric material to the flow of water. The eductor assemblage comprises of a source of super absorbent polymeric material and an eductor member. The eductor member is comprised of an inlet connectable to a source of water, an outlet connected to either the intake on a fire truck or a discharge line on a fire truck, and a conduit positioned between the inlet and outlet for addition of the dry polymeric material. The flow of water from the inlet to outlet through a removable nozzle educts the super absorbent polymers through the conduit by venturi and flows into the cylindrical housing forming a mixture for dispensing through the outlet onto combustible sources. | 05-15-2014 |
| 20140238703 | FOAM TEST SYSTEM FOR FIREFIGHTING VEHICLE - Systems and methods for determining the accuracy of a foam addition system on a firefighting vehicle are disclosed. The methods may include measuring the amount of a test water stream flowing through a foam metering device. | 08-28-2014 |
| 20140251643 | DEVICE FOR INTRODUCING AN AGENT INTO A FIRE SUPPRESSION SYSTEM - An exemplary device for introducing an agent into a fire suppression fluid includes a housing having an inlet configured to receive the agent into the housing. The housing also has an outlet configured to release the agent from the housing. A stopper is moveable between a closed position where the stopper prevents passage from the inlet to the outlet and an open position where the inlet is in communication with the outlet. A vane causes movement of the stopper from the closed position to the open position responsive to contact between the vane and fire suppression fluid flowing past the vane. | 09-11-2014 |
| 20140262354 | Fire-Extinguishing System and Method for Operating Servo Motor-Driven Foam Pump - Embodiments of the invention provide a fire-extinguishing system and method for injecting foamant into a stream of water. The system can include a flow meter determining a flow rate of the stream of water and a foam pump having an inlet coupled to a supply of foamant and an outlet coupled to the stream of water. The system includes a servo motor driving the foam pump. The servo motor includes a sensor used to determine a rotor shaft speed and/or a rotor shaft torque. | 09-18-2014 |
