An injection assembly having an injection adapter for injecting pressurized gas in containers is disclosed. The injection adapter comprises a body adapted to be coaxially coupled to an opening of a container. The body comprises a discharge passage adapted to allow a flow of fire suppression agent from the container. Further, the body comprises at least one injecting passage adapted to be in fluid communication with an ullage space of the container. The at least one injecting passage is adapted to supply pressurized gas from a canister to an ullage space within the container.
A trigger device is disclosed including a body including first and second ends. The first end is configured to be operatively coupled to a tensioned line of a mechanical fire detection line. The trigger device includes a piston configured to be slidably disposed along a length of the body, the piston configured to be operatively coupled to the tensioned line. The trigger device includes slots provided on the body configured to receive actuation cables. The trigger device further includes a coupling element configured to be coupled to the piston and configured to slidably move responsive to movement of the piston. The coupling element includes a free end configured to move through the slots to selectively couple with the actuation cable. responsive to the piston moving towards the second end of the body, the coupling element moves out of the slots to decouple with the actuation cable.
A tension indicating for a fire suppression system device is disclosed, including a body including first and second ends. At least one of the first and second ends is configured to be operatively coupled to a tensioned line of a mechanical fire detection line of a fire suppression system. The tension indicating device further includes a piston configured to be slidably disposed along a length of the body, the piston configured to be operatively coupled to the tensioned line of the mechanical fire detection line. The piston is provided with a movable indicator. Responsive to the tensioned line being provided with tension, the piston moves towards the end of the body, thereby causing the movable indicator to correspondingly move to indicate a tension in the tensioned line of the fire suppression system.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A fire suppression system is disclosed. The fire suppression system comprises a first storage cylinder configured for storing a first suppression solution. The system comprises a second storage cylinder operatively connected to the first storage cylinder. The second storage cylinder is configured for storing a second suppression solution, wherein in response to a detection of a fire condition, the first storage cylinder is configured to release the first solution into the second storage cylinder to cause the second solution to be delivered first during a first phase of a discharge.
An actuation mechanism for use in a fire suppression system includes a housing and a plunger operably coupled to and movable relative to the housing. A tension member is operably coupled to the plunger and applies a tension to the plunger in a first direction. A force generating component is operably coupled to the plunger. A stopper is movably coupled to the housing and is operable in combination with the force generating component to apply a force on the plunger in a second direction.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
An activation system includes a housing and a pulley mounted to the housing. The pulley is rotatable about an axis. An activation member is movable between a first position and a second position relative to the pulley to selectively couple to the pulley. When the activation member and the pulley are coupled, rotation of the pulley about the axis is restricted. A first tension member is operably coupled to the activation member and a first tension of the first tension member maintains the activation member in engagement with the pulley. At least one second tension member is wrapped about at least one of the pulley and the activation member and has a second tension acting on the at least one of the pulley and the activation member.
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
F16H 19/06 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary motion and reciprocating motion comprising an endless flexible member
A fire suppression system is disclosed. The fire suppression system comprises an agent storage cylinder configured for storing a fire suppression agent, the cylinder operatively connected to a charging valve. The system further comprises a cartridge for holding a pressurized gas, wherein the cartridge is configured to operatively connect to the charging valve; release gas into an ullage space of the cylinder to pressurize the cylinder; and disconnect from the cylinder responsive to a pressure inside the cylinder reaching a threshold pressure.
Methods and operations for controlling effective delivery of fire suppressant are disclosed. The fire suppression system comprises a control valve operatively coupled with a cylinder containing a fire suppressant. The system comprises a controller operatively coupled with the control valve. The controller is configured to command the control valve to open, discharging a flow of the fire suppressant at a first flow rate; and adjust the flow of the fire suppressant to a second flow rate during the discharge.
Valve assemblies are described having a valve positioner, a ball valve assembly configured to be actuated by the valve positioner between an open state and a closed state, an indicator configured to provide visual indication of the state of the ball valve assembly, and a positioning pin configured between the valve positioner and the ball valve assembly, the positioning pin arranged to prevent installation of the valve positioner to the ball valve assembly in all but one orientation and to ensure installation in only one orientation.
F16K 5/06 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfacesPackings therefor
F16K 27/06 - Construction of housingsUse of materials therefor of taps or cocks
A manual activation system includes a bracket rotatable about a first axis between a first configuration and a second configuration and a pulley movable between an inactive position and an active position. The pulley is mounted to the bracket and is rotatable about a second axis. A tension member is wrapped about the pulley and has a tensile force acting on the pulley. An activation member is configured to cooperate with the bracket to selectively oppose the tensile force.
A detection bracket for use in a fire suppression system includes a main body and at least one support plate positioned adjacent to the main body. The at least one support plate has an opening formed therein for receiving an actuation cable wrapped about the main body. The at least one support plate is movable from a first position to a second position relative to the main body in response to a predetermined condition. A tension in the actuation cable receivable within the opening is less when the at least one support plate is in the second position than when the at least one support plate is in the first position.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
An actuation mechanism of a fire suppression system includes a first input having a first tension, a second input having a second tension, and an output. When the actuation mechanism is in an inactive configuration, the first input and the second input cooperate to maintain a third tension in the output.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
13.
LOW NOISE NOZZLE ASSEMBLY FOR FIRE SUPPRESSION SYSTEM
A nozzle assembly for a fire suppression system is disclosed. In some embodiments, the nozzle assembly comprises a body having an inlet end for receiving a flow of fire extinguishing agent from the fire suppression system at an inlet pressure; a nozzle portion extending from the body and having an interior cavity; and a conical central body located in the interior cavity, extending upstream from a base of the nozzle portion, wherein a plurality of exit orifices are formed in an outer wall of the nozzle portion, in communication with the interior cavity, for vectoring the flow of fire extinguishing agent exiting therefrom.
A system includes a battery mounting area, a venting area fluidly isolated from the battery mounting area, and a battery cell arranged at least partially within the battery mounting area. The battery cell includes at least one safety vent that is fluidly coupled to the venting area.
A method of operating a suppression system includes opening a discharge valve associated with a pressurized vessel containing suppression agent in response to detection of a hazardous condition within an area being monitored, releasing suppression agent into the area being monitored via a discharge nozzle, and detecting that the hazardous condition is no longer present in the area being monitored. The discharge valve is closed by the actuator in response to detecting that the hazardous condition is no longer present in the area being monitored.
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 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A manual activation system includes a pulley movable between an inactive position and an active position, a tension member wrapped about the pulley, the tension member having a tensile force acting on the pulley, and at least one arm rotatably mounted adjacent to the pulley. The at least one arm has a groove configured to cooperate with a portion of the pulley to selectively oppose the tensile force.
A fire protection system and method for an enclosure includes an inert agent supply source configured to discharge an inert agent following a discharge of a primary agent in the enclosure, a gas detector configured to determine a gas concentration level in the enclosure, and a controller connected with the inert agent supply source and the gas detector and configured to regulate the discharge of the inert agent into the enclosure based at least partially upon the gas concentration level.
A pressure gauge includes a housing, a helical tube, and a compensation member. The housing has an inlet. The helical tube is arranged within the housing and has a closed end and an open end, the open end of the helical tube in fluid communication with the inlet. The compensation member is arranged between the between the open end and the closed end of the helical tube, the compensation member fixed to the helical tube. The compensation member and the helical tube are formed from materials having different coefficients of thermal expansion to limit movement of the closed end of the helical tube due to temperature change of a compressed fluid in fluid communication with the helical tube. Pressure vessel assemblies and methods of displaying pressure in pressure vessels are also described.
G01L 19/04 - Means for compensating for effects of changes of temperature
G01L 7/04 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
19.
DISCHARGE VALVES, PRESSURE VESSEL ASSEMBLIES HAVING DISCHARGE VALVES, AND METHODS OF MAKING DISCHARGE VALVES
A discharge valve includes a valve body, a closure, and a non-rigid valve member. The valve body has a bore that extends between an inlet and an outlet. The closure is seated to the valve body and extends to the bore. The non-rigid valve member has an interior and is fixed within the bore between the inlet and the outlet of the valve, the interior of the non-rigid valve member in fluid communication with the closure for expansion and contraction of the non-rigid valve member. Fire extinguisher assemblies and methods of making fire extinguisher assemblies are also described.
F16K 7/10 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with inflatable member
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
A fusible mechanical linkage includes a tensioner having an aperture and a spool with guides arranged on an end of the spool opposite the aperture. The guides define a cable seat between one another. A fusible alloy is arranged between the spool and the tensioner, the fusible alloy fixing the spool to the tensioner below a predetermined temperature, the fusible alloy allowing tension carried by an actuation cable received in the cable seat to rotate the spool relative to the tensioner above the predetermined temperature. Fire suppression systems and methods adjusting actuation cables in fire suppression systems are described.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A fire suppression nozzle can include a first fluid channel configured to be in fluid communication with a first fluid having a first flow velocity and a second fluid channel configured to be in fluid communication with a second fluid having a second flow velocity. A mixer can be disposed between the first fluid channel and the second fluid channel such that the mixer is configured to induce streamwise vorticity in at least the first fluid exiting first fluid channel to cause mixing of the first fluid and the second fluid to reduce a flow speed of a mixture of the first fluid and the second fluid.
In a system for measuring a fire suppressant or fire suppression propellant quantity, the system comprising: a base (102); a top plate (106) positioned to support a tank (22) of said fire suppressant or fire suppression propellant; a plurality of springs (112) positioned between the top plate and the base to support the top plate atop the base, the plurality of springs positioned to support the top plate along a range of motion between an extended condition and a retracted condition; a first magnetic member (142) mounted to the base; a second magnetic member (140) mounted to the top plate so that a spacing between the first magnetic member and the second magnetic member decreases as the top plate moves from the extended condition to the retracted condition. At least one of the first magnetic member and the second magnetic member is a permanent magnet. A magnetic field sensor (160) is positioned to detect changes in a magnetic field associated with changes in said spacing.
A62C 13/62 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with a single permanently pressurised container
A62C 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
G01F 23/20 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
G01G 17/04 - Apparatus for, or methods of, weighing material of special form or property for weighing fluids, e.g. gases, pastes
23.
Internally mounted device for the supervision of a fire suppression system
A supervised fire suppression system (10, 100) is disclosed that includes a discharge valve (14, 114) for controlling release of a fire extinguishing agent from a container (12), a control head (16, 116) operatively associated with the discharge valve for actuating the discharge valve in the event of a fire, wherein the control head may be removed from the discharge valve to facilitate inspection of the control head, and an internal supervisory switching device (130) mounted within the control head and configured to interact with the discharge valve to provide an indication that the control head has been removed from the discharge valve.
A fire suppressant storage device (20) comprising: a tank (22) having a first port and an interior for storing fire suppressant; and a discharge assembly mounted to the first port. The discharge assembly has a discharge valve (48) and a discharge conduit (50) at least partially within the interior. The discharge conduit has an interior surface (60) and an exterior surface (58). The discharge assembly further comprises a gauge (80) on the discharge conduit.
A62C 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
A fire suppressant storage device (20) comprises: a tank (22) having a first port (40), a second port (70), and an interior (32) for storing fire suppressant. A discharge assembly (46) is mounted to the first port and comprises a discharge valve (48) and a charge conduit (50) at least partially within the interior. The discharge conduit has an interior and an exterior. A liquid level measurement assembly (82; 200; 250; 300; 400) is mounted to the second port and comprises: a tube (100) at least partially within the tank interior and having an interior sealed relative to the surrounding tank interior and an exterior; a float (120; 220) surrounding the tube; and a member (122; 222; 252; 302) axially movable within the tube interior. One of the float and the member comprises an upper magnet (130; 230) and a lower magnet (132; 232). The other of the float and the member magnetically cooperates with the upper magnet and the lower magnet to relatively axially trap the member to the float.
A62C 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
G01F 23/72 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using magnetically actuated indicating means
A fire suppressant storage device (20) comprises: a tank (22) having a first port (40), a second port (70), and an interior (32) for storing fire suppressant. A discharge assembly (46) is mounted to the first port and comprises: a discharge valve (48); and a discharge conduit (50). The discharge conduit is at least partially within the interior and has an interior and an exterior. A liquid level measurement assembly is mounted to the second port and comprises: a tube (100) at least partially within the interior and having: an exterior and an interior sealed relative to the surrounding tank interior. A float (120) surrounds the tube and has one or more magnets (130) and having a range of motion. A plurality of magnetic field sensors (152, 154) are along a carrier (150) within the tube interior. The carrier extends from a proximal end to a distal end. The plurality of magnetic field sensors (152, 154) comprise: a first plurality of one-dimensional sensors (152); and at least two three-dimensional sensors (154) distally of the first plurality.
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 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
G01F 23/62 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using magnetically actuated indicating means
G01F 23/74 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using magnetically actuated indicating means for sensing changes in level only at discrete points
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
An example fire suppression system includes a cylinder having a wall defining an inner chamber, and a processor operable to determine an amount of a suppressant in the inner chamber based on a capacitance between a first electrode and a second electrode that are both in contact with the suppressant. An example method for determining an amount of suppressant in a cylinder includes measuring a capacitance between a first electrode and a second electrode that are both in contact with a suppressant within a cylinder, and a determining an amount of suppressant within the cylinder based on the capacitance.
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
A62C 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
A liquid level indicator for a fire suppression system includes a guide. A slide is selectively movable along the guide to a fixed position associated with a fill range. The slide includes a plurality of sense elements configured to indicate a level of liquid.
G01F 23/74 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type using magnetically actuated indicating means for sensing changes in level only at discrete points
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
29.
Kitchen fire suppression aiming systems and methods
A method of suppressing a kitchen fire includes detecting a fire and identifying a location of the fire with a tracking system, aiming a nozzle at the location, and releasing an agent through the nozzle at the location.
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A62C 37/40 - 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 with electric connection between sensor and actuator
A62C 31/03 - Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice-versa
A cartridge with a status indicator, a fire suppression system for incorporating the same, and a method of inspecting whether a fire suppression system is capable of being actuated are provided. The status indicator is connected to the body of the cartridge. The status indicator defines a first state and a second state. The status indicator undergoes a change from the first state to the second state when exposed to a physical change. The physical change may include at least one of a decrease in temperature beyond a threshold, an increase in relative humidity beyond a threshold, and a threshold differential temperature change. The physical change is caused by the discharge of the cartridge. When installed within a fire suppression system, the status indicator enables the visual inspection of whether the fire suppression system is capable of being actuated.
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 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 37/10 - Releasing means, e.g. electrically released
A62C 37/50 - Testing or indicating devices for determining the state of readiness of the equipment
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A ventilation hood system is provided. The ventilation hood system includes a hood body defining an interior through which cooking vapors are passable, a support system affixed to a fixed body and supportive of an entire weight of the hood body and a weight sensing system operably coupled to the support system to sense and monitor the entire weight of the hood body over time.
A system is provided that includes a memory system storing a plurality of executable instructions. The system also includes a processing system operably coupled to the memory system. The executable instructions when executed by the processing system cause the system to access a plurality of building structural data, ductwork layout data, and fire suppression system layout data associated with a building. A location of a user device within the building is identified. An overlay image is created that includes a three-dimensional depiction of a portion of a ductwork layout and a fire suppression system layout based on an overlay of the ductwork layout data and the fire suppression system layout data with respect to the building structural data and the location of the user device. The overlay image is output to a display component.
G06F 30/12 - Geometric CAD characterised by design entry means specially adapted for CAD, e.g. graphical user interfaces [GUI] specially adapted for CAD
G06F 30/13 - Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
G06F 30/17 - Mechanical parametric or variational design
G06F 30/18 - Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
G06T 19/00 - Manipulating 3D models or images for computer graphics
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
33.
Fire extinguishing composition and method of making
A method of making a fire extinguishing composition comprises: forming a first aqueous solution of potassium acetate, potassium formate, or a combination thereof; forming a second aqueous solution comprising a biocide, a bio-surfactant and an optional corrosion inhibitor; combining the first aqueous solution with the second aqueous solution to form a third aqueous solution and mixing until the third aqueous solution is transparent; adding a chelating agent to the transparent third aqueous solution and mixing to form a transparent fourth aqueous solution. A fire extinguishing composition made by the method is also disclosed.
A control mechanism includes an actuator having first and second positions, a resilient member arranged to bias the actuator toward the second position, and an input cable. The input cable is arranged along a serpentine path and is connected to the actuator, the input cable arranged to retain the actuator in the first position using tension applied by a plurality of detector cables along the serpentine path of the input cable. Fire detector connector modules, fire suppression systems, and methods of integrating detector cables into control mechanisms are also described.
A62C 37/42 - 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 with mechanical connection between sensor and actuator, e.g. rods, levers
A system for delivering a cooling agent to cooking appliance to aid in fire suppression is disclosed, which includes a fuel delivery path extending from a source of cooking fuel to a heating element of the cooking appliance, a source of cooling agent selectively in fluid communication with the fuel delivery path, and a valve assembly associated with the fuel delivery path and the source of cooling agent, wherein the valve assembly is configured to control the delivery of cooling agent to the heating element of the cooking appliance and shut off the heating element from the source of cooking fuel in the event of a fire.
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A47J 37/12 - Deep fat fryers, e.g. for frying fish or chips
A62C 2/04 - Removing or cutting-off the supply of inflammable material
A62C 37/40 - 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 with electric connection between sensor and actuator
A62C 35/68 - Details, e.g. of pipes or valve systems
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
36.
System and method for delivering fire suppression agent to an obstructed gas appliance
A system for delivering a fire suppression agent to an obstructed cooking appliance is disclosed, which includes a fuel delivery path extending from a source of cooking fuel to a burner of the cooking appliance, a source of fire suppression agent selectively in fluid communication with the fuel delivery path, and a valve assembly associated with the fuel delivery path and the source of fire suppression agent, wherein the valve assembly is configured to control the delivery of fire suppression agent to the burner of the cooking appliance and shut off the burner from the source of cooking fuel.
A62C 3/00 - Fire prevention, containment or extinguishing specially adapted for particular objects or places
A62C 2/04 - Removing or cutting-off the supply of inflammable material
F23D 14/72 - Safety devices, e.g. operative in case of failure of gas supply
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
According to an aspect, a method of fire type detection and notification includes receiving a plurality of sensor data from a plurality of sensors operable to detect one or more fire conditions. One or more changes in the sensor data are detected from at least one of the sensors. A fire type is classified based on the one or more changes detected in the sensor data. A suppression agent type associated with the fire type is determined. A notification including the fire type and the suppression agent type is output.
A fire protection system and method for an enclosure includes an inert agent supply source configured to discharge an inert agent following a discharge of a primary agent in the enclosure, a gas detector configured to determine a gas concentration level in the enclosure, and a controller connected with the inert agent supply source and the gas detector and configured to regulate the discharge of the inert agent into the enclosure based at least partially upon the gas concentration level.
A nozzle for a fire suppression system includes a smooth dome having an exterior surface approximating a partial sphere, a cavity within the dome, and a plurality of orifices through the dome providing fluid communication between the cavity and the exterior of the dome. A fire suppression system is also disclosed.
A fire suppression nozzle can include a first fluid channel configured to be in fluid communication with a first fluid having a first flow velocity and a second fluid channel configured to be in fluid communication with a second fluid having a second flow velocity. A mixer can be disposed between the first fluid channel and the second fluid channel such that the mixer is configured to induce streamwise vorticity in at least the first fluid exiting first fluid channel to cause mixing of the first fluid and the second fluid to reduce a flow speed of a mixture of the first fluid and the second fluid.
A supervised fire suppression system (10) is disclosed that includes a valve assembly for controlling the release of a fire extinguishing agent from a container (17), an actuator (25) operatively associated with the valve assembly for actuating the valve assembly in the event of a fire, wherein the actuator may be removed from the system for periodic inspection and/or maintenance, and an externally mounted supervisory switching device (16, 30) configured to interact with the actuator to provide an indication relating to removal or disengagement of the actuator from the system for periodic inspection and/or maintenance.
A fire suppression system is provided including at least one nozzle configured to expel a fire suppression agent into a space. A storage container includes a fire suppression agent and a first pressurized gas at least partially dissolved within the fire suppression agent. At least one canister contains a second pressurized gas. A piping system is configured to fluidly couple the at least one canister to the storage container and to fluidly couple the storage container to the at least one nozzle. When the fire suppression system is inactive, the fire suppression agent within the storage container is pressurized to a storage pressure. The storage pressure is greater than a vapor pressure of the fire suppression agent such that first pressurized gas dissolves into the fire suppression agent. When the fire suppression system is active, propellant pressure in the piping system exceeds the storage pressure of the fire suppression agent.
A62C 13/66 - Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
A62C 99/00 - Subject matter not provided for in other groups of this subclass
44.
System and method of conditioning and delivery of liquid fire extinguishing agent
A system for delivery of a fire extinguishing agent includes an agent tank at least partially filled with a volume of liquid fire extinguishing agent and a supply of pressurizing gas operatively connected to inject pressurizing gas into the volume of liquid agent. A discharge valve is configured to open when the agent tank reaches a desired pressure due to the injection of pressurizing gas therein thereby delivering a flow including fire extinguishing agent with associated dissolved pressurizing gas from the agent tank. The flow of fire extinguishing agent and associated dissolved pressurizing gas is discharged from the agent tank.
A62C 13/68 - 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 extinguishing material
A62C 35/02 - Permanently-installed equipment with containers for delivering the extinguishing substance
45.
Fuel ignition systems with voltage regulation and methods for same
Embodiments of ignition systems, apparatus, and/or methods can provide exemplary voltage control or regulation for a voltage used for flame detection as well as for spark generation. In one embodiment, flame sensitivity and spark energy can have an increased resistance to component, temperature, and/or power supply variations.
A dispensing valve apparatus and method for rapidly dispensing fluid from a fluid reservoir of a pressure vessel include a piston translatable within a cavity that closes a discharge passage opening the cavity when positioned in a first position and opens the discharge passage to fluid flow from the fluid reservoir when positioned in a second position. The piston may be rapidly repositioned from its position to its second position by venting a cavity disposed between the piston and an actuator cap by selectively opening a check valve to vent the pressure within the cavity to the discharge passage.
A62C 37/08 - Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
A fire extinguishing composition is provided that is suitable for use as a fire extinguishing agent in fire suppression, particularly in off-road vehicles exposed to low ambient temperature environments. The fire extinguishing composition includes an aqueous solution of potassium formate. In an embodiment, the fire extinguishing composition includes an aqueous solution of potassium formate and an aqueous film forming foam. In an embodiment, the fire extinguishing composition is an aqueous solution including an aqueous film forming foam, potassium formate and potassium acetate in water.
An ignition control and method are provided for overseeing an ignition process on a fuel-fired appliance having a fuel burner, a fuel flow control valve, an ignition source, and a flame detection device. A primary processor initiates the ignition process, monitors the flame status signal and terminates the ignition process in the presence of a flame status signal indicating no flame after a specified period of time following the initiation of the ignition process. A secondary processor monitors the flame status signal independently of the primary processor and terminates the ignition process in the event that the primary processor fails to terminate the ignition process in the presence of a flame status signal indicating no flame after a specified period of time following the initiation of the ignition process. The primary and secondary processors may each have the functional capability to monitor the operation of the other.
A two-step, self-regulating valve (16) controls gas flow from a gas cylinder (12) in a high pressure system. The valve (16) includes a valve body (24), a piston (26), a plug (28), a valve actuator (34), and a piston actuator (32). The piston (26) is movable within the valve body (24) along an axis between a first and a second position. The plug (28) is movable within the valve body (24) along the axis between a valve closed position, a partially open position, and a fully open position. The valve actuator (34) allows the plug (28) to move from the valve closed position to the partially open position. The piston actuator (32) causes the piston (26) to move from the first position to the second position when a gas pressure in the gas cylinder (12) is less than a setpoint. When the piston (26) moves to the second position, the piston (26) allows the plug (28) to move from the partially open position to the fully open position.
A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. The valve body has a gas inlet and a gas outlet and houses the slidable spool. The slidable spool has a first end and a second end, and is slidable between a first position and a second position. The primary flow passage connects the gas inlet and the gas outlet and increases with lineal movement of the slidable spool. The first chamber is located adjacent the first end of the slidable spool and a second chamber is located adjacent the second end of the slidable spool. The sliding spool is biased toward the first position by a gas pressure applied by the second chamber and the second spring.
A system for discharging inert gas for extinguishing or suppressing a fire is disclosed. A fluid discharge control arrangement is positioned in a fluid flow path between a pressurised gas supply 10A,10B,10C and the target fire suppression zone 20. The fluid discharge control arrangement reduces the pressure in the fluid flow path downstream thereof. This may allow the downstream pipework to be selected to withstand a lower pressure than in a conventional system in which the fluid discharge control device was not provided, thereby reducing costs. The fluid discharge control device may comprise a first valve 30 and first restrictor 26 in the first flow path 22 and a second valve 32 and a second restrictor 28 provided in the second flow path 24. Fluid from the containers 10A,10B,10C flows initially through flow path 24 and restrictor 26. Subsequently flow path 22 may be closed by optional valve 30, and flow path 24 is opened by valve 32. Fluid flow then passes through restrictor 28. This reduces the peak pressure in the downstream pipework 34. In another embodiment the discharge of inert gas from the containers 10A,10B and 10C is staggered to reduce the peak pressure in pipeline 34. A further embodiment provides a restrictor in the inlet 14A,14B,14C from each of the containers 10A,10B,10C to the manifold 16, thereby also reducing the peak pressure in the pipeline 34.
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