Abstract: A ceiling ventilation hood and fire protection system includes a ceiling ventilation hood, the ceiling ventilation hood defining an upper plane and a lower plane with a filter disposed between the upper and lower planes, and at least two nozzles each having an outlet defining a discharge axis with the outlet disposed in the ceiling ventilation hood between the upper and lower planes to provide overlapping protection of a hazard zone. Each of the nozzles define a spray pattern to effectively address a fire within the hazard zone independent of airflow through the filter. The outlets of the at least two nozzles are positioned at least 54 inches above the hazard zone.

Abstract: An electric outlet fire detection and prevention system may comprise a temperature sensor and an electromagnetic interference (EMI) sensor. A processor within the system may monitor the measurements of the temperature and EMI sensors to determine that a fire has developed in an electric outlet box. The processor may then actuate a triggering mechanism in a cartridge containing fire extinguishing material such that the fire extinguishing material is dispersed in the outlet box. The fire extinguishing material may extinguish a developing fire and prevent the fire from spreading further. The processor may also be coupled with a server, which is configured to analyze measurements of the temperature and the EMI sensors and generate a building profile. When the server determines that any measurements deviate from the building profile, the server may instruct the processor to actuate the triggering mechanism and/or notify an electronic device associated with the building.

Abstract: In one aspect, data characterizing a video feed acquired by a camera oriented toward and including a field of view of a forecourt of a fueling station can be received. The video feed can be monitored for hazards, and the monitoring of the video feed can include performing automatic hazard detection on the video feed using at least one predictive model that predicts a presence of a hazard within the forecourt of the fueling station. A command can be transmitted in response to the detecting of the presence of the hazard within the forecourt of the fueling station. Related apparatus, systems, methods, techniques, and articles are also described.

Abstract: A cooking system includes an appliance defining a food product volume and a fluid aperture fluidly coupled to the food product volume, a conduit configured to fluidly couple a fire suppressant supply to the fluid aperture, the fire suppressant supply being configured to provide a fire suppressant agent, a flow restrictor positioned along the conduit and configured to restrict a flow rate of the fire suppressant agent through the conduit, and a check valve positioned along the conduit. A portion of the conduit extends between the check valve and the fluid aperture and fluidly couples the check valve to the fluid aperture. The conduit is configured to introduce the fire suppressant agent from the fire suppressant supply into the food product volume of the appliance through the fluid aperture.

Abstract: A fire extinguishing range assembly includes a range has an oven is integrated therein and a plurality of burners. An oven temperature sensor is integrated into the range and a burner temperature sensor is integrated into the range. A fire extinguisher is integrated into the range and the fire extinguisher contains a fire retardant. The fire extinguisher is actuated when either of the burner temperature sensor or the oven temperature sensor senses a temperature that exceeds a pre-determined temperature. A plurality of nozzles is strategically distributed around the range. Each of nozzles is in fluid communication with the fire extinguisher thereby facilitating each of the nozzles to spray the fire retardant when the fire extinguisher is actuated to extinguish a fire that is burning in or on the range.

Abstract: An event driven monitoring device that can be configured to monitor a variety of operating conditions for a piece of equipment or system and may also report specific events related to these operating conditions to a central cloud-based server. The server can then broadcast customized alert information to other computers or systems configured to receive them. The monitoring device may accept input from many types of sensors allowing the device to detect and respond to changes in numerous types of sense parameters. Individuals and/or devices may receive reports from the remote server in response to certain events sent using any suitable protocol such as a text message, e-mail, push notification, or automated telephone call to name a few examples. The server may be configured with specialized rules programmed to determine which contacts should be notified for specific events related to individual pieces of equipment.

Abstract: A fire suppression configuration system includes a configurator. The configurator receives an indication of a plurality of components of a fire suppression system, an instruction to assign an input device of the fire suppression system to an input interface of a fire suppression system controller and at least one component, receive, an instruction to assign an output device to an output interface of the fire suppression system controller and at least one component, an indication of a connection between a first component and a second component, and an indication of at least one of a fire condition and supervisory condition corresponding to at least one input device, determines an output response of each output device by identifying each component that the output device is assigned and connected with, and executes a simulation using each output response corresponding to the at least one of the fire condition and supervisory condition.

Abstract: A ventilation closure system includes a damper, a shape memory alloy actuator, and a heating device. The shape memory alloy actuator is coupled to the damper. The shape memory alloy actuator has a first state in which the damper is positioned to permit airflow in the duct and has a second state in which the damper is positioned to obstruct the airflow in the duct. The shape memory alloy actuator is configured to change from the first state to the second state responsive to the shape memory alloy actuator attaining a first temperature responsive to heat released by an exothermic reaction in a compartment associated with the duct. The heating device is configured to heat the shape memory alloy actuator to maintain the damper in a position that obstructs the airflow in the duct.

Abstract: Provided is an automatic fire extinguisher providing a simplified operation method for easily pulling out a safety pin while a handle is strongly grasped and allowing a spray hose to automatically aim a flame, and, furthermore, which is easily recognizable even from a distance when the safety pin is separated at normal times. The automatic fire extinguisher includes a main body vessel (55) in which a fire extinguishing agent is filled, a lower handle (2) coupled to a plug (4) disposed on an upper portion of the main body vessel (55), and an upper handle (1) coupled to the lower handle (2) through a first hinge shaft (19).

Abstract: An apparatus is disclosed for extinguishing a stovetop fire over a stovetop having a first burner, the apparatus including a container detachably mountable to a microwave positioned above the stove top. A supply of fire suppressant material is retained within the container. A heat responsive actuator is disposed on the container. When the container is mounted to the microwave over the first burner, and the fire actuates the heat responsive actuator, at least a portion of the supply of fire suppressant material falls from the container toward the first burner.

Abstract: An apparatus is disclosed for extinguishing a stovetop fire over a stovetop having a first burner, the apparatus including a container detachably mountable to a microwave positioned above the stove top, the container having a closure retained in a closed position on the container. A supply of fire suppressant material is retained within the container when the closure is in the closed position. A heat responsive actuator is disposed on the container. When the container is mounted to the microwave over the first burner, and the fire actuates the heat responsive actuator, the closure moves to an open position and at least a portion of the supply of fire suppressant material falls toward the first burner.

Abstract: An initiator with fuse device for an automatic self-contained fire suppressor and method are provided herein. Stovetop fires are a well-known residential and commercial hazard. An initiator with fuse device provides a reliable activation of an automatic stovetop fire suppressor. A device and method which provides a secure and robust attachment of an initiator to a fire suppressor, while reducing required component parts, manufacturing time, and labor, is provided herein. An initiator cup with integral cylindrical extension affords a thermoform attachment of the cup to the fire suppressor container while providing a secure mechanical attachment of the fuse to the initiator cup.

Abstract: A fire extinguisher apparatus and related system is described for automatically suppressing stovetop fires. The fire extinguisher apparatus includes a canister restrained in a first location where the canister is operable to suppress fires on a rear burner of a stovetop. The canister is biased and movable to a second location where the canister is operable to suppress fires on a front burner of the stovetop. A trigger mechanism is provided for automatically moving the canister to the second location in response to a fire on the front burner. The fire extinguisher system includes an arrangement of fire extinguisher apparatuses wherein canisters are movable between the apparatuses to prevent collisions with external obstacles.

Abstract: A fire detection device and method therefore are able to provide automatic activation so as to extinguish a fire. The fire detection can be rapid and temperature-based. In one embodiment, a heat collector can be provided to enhance thermal responsiveness. Activation of the fire detection device can be electrically induced to release an extinguishing agent at the fire. The activation can be protected such that it is durable and unaffected by vibrations.

Abstract: An electrical domestic appliance includes a fire-prevention medium for fighting a fire in the domestic appliance in an early stage. The fire-prevention medium includes an active substance, which releases water, carbon dioxide and/or nitrogen under the effect of heat at a temperature below 100° C. The fire-prevention medium has a core, which contains the active substance and a carrier material, and a shell, which surrounds the core.

Abstract: A fire extinguishing equipment for extinguishing cooking oil fires includes fire extinguishing agent, a single-layer hot-melt resin film enclosing the fire extinguishing agent, at least one float, and a quadratic prism-shaped paper case enclosing the single-layer hot-melt adhesive film and the at least one float. The quadratic prism-shaped paper case includes a plurality of sides, at least one of which has al least one outlet.

Abstract: A fire suppression spray head for attaching to a sink assembly comprising a sink, a tap, a work surface adjacent the sink, a cupboard underneath the sink and at least one cupboard door, the spray head having at least one nozzle for spraying fire suppressant material received from a supply of fire suppressant material, wherein the spray head is configured to be attached to a part of the sink assembly.

Abstract: A fire suppression apparatus adapted for connection to a water supply for a faucet has one or more spray nozzles (26), at least one valve (20) operable into an open position to fluidly couple the one or more spray nozzles (26) to a water supply for a faucet (4), a fire sensor (28), and a controller (21) connected to the fire sensor (28), and upon sensing a fire, the fire sensor (28) is adapted to trigger the controller (21) to operate the at least one valve (20) into the open position.

Abstract: A fire prevention combination assembly for shutting off an energy source to a stove when smoke is detected includes a smoke detector that is configured for detecting smoke. An interface is provided which is configured to be connected to and between an energy inlet for a stove and an energy source. The interface is in communication with the smoke detector. The interface prevents communication between the stove and the energy source when the smoke detector detects smoke.

Abstract: A cleaning system for a cooking range exhaust having a range hood, a backsplash, and an exhaust flue for exhausting cooking effluent is disclosed. The cleaning system can include a fluid delivery system constructed for partial placement within the cooking range exhaust. The fluid delivery system can include a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system can also include a flue spray conduit constructed for placement within or outside the exhaust flue and comprising at least one spray opening for directing the degreasing composition to an interior surface of the flue. The cleaning system can include a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. A method of cleaning a cooking range exhaust and a self-cleaning exhaust system are also disclosed.

Abstract: Fire suppression systems and methods are described. One described system includes a housing configured to house a container of a fire suppression material, a delivery block in fluid communication with the container, and a nozzle in fluid communication with the delivery block and configured to disperse the fire suppression material from the delivery block. The described system can also include a power supply; a thermal indicator coupled to the power supply and operable to: detect the presence of a fire, generate a first signal indicating the presence of the fire, and transmit the first signal; and an actuator coupled to the power supply, the actuator in communication with the thermal indicator and configured to cause the fire suppression material to be transferred from the container to the delivery block in response to receipt of the first signal.

Abstract: A device for limiting the temperature of cookware on a cooktop to a threshold level that corresponds to an oil ignition temperature. The device includes a temperature sensor that is positioned adjacent a bottom of the cookware on the cooktop. A control device in combination with each of the temperature sensor and the cooktop monitors the temperature and adjusts a heating element of the cooktop as needed to avoid cooking oil ignition. The temperature sensor can be a spring loaded temperature sensor to ensure and/or absorb contact with the cookware.

Abstract: A food service unit for use with a cooking unit includes a food shield including an upper wall, a customer-side wall, and two lateral sidewalls, a ventilation volume defined at least in part by the food shield, a recirculating ventilation system including a filter, a fan downstream of the filter, and an exhaust vent, wherein the fan is configured to draw air from the ventilation volume through the filter and exhaust the air through the exhaust vent, a pressure sensor configured to detect a differential pressure between atmosphere and a location between the filter and the fan, a control system configured to prevent a cooking unit from operating when the detected differential pressure is outside a specified range of pressures, a fire suppression system including a nozzle and a source of fire extinguishing agent and a fire detection sensor configured to detect a fire and activate the fire suppression system.

Abstract: Stovetop fires are among the more prevalent of resident fire hazards and smoke detectors are among the most prevalent and economical forms of residential fire alarms. Automatic stovetop fire extinguishers can prevent property damage and even personal injury; however, these stovetop fire extinguishers may also limit smoke emissions and the subsequent detection of smoke. While an initial fire may be efficiently subdued by an automatic stovetop fire extinguisher, it is often desirable to alert present and future occupants of a fire hazardous condition. A sound based fire alarm system and method are described herein, which detects a sound burst emitted upon deployment of an automatic stovetop fire extinguisher and triggers a continuous fire alarm to alert occupants of a potentially fire hazardous condition. Alarm signals can be audible, visual, or both. The system may be a stand alone system and use battery power for affordability and ease of installation.

Abstract: A device for fire extinguishing is described, comprising a fire retardant cloth, which is arranged to cover objects upon a fire or the beginnings of a fire, to put out or prevent the fire from developing, wherein the fire retardant cloth is mounted in a release mechanism arranged to release the fire retardant cloth, in such a way that the cloth covers said objects, upon detection of the fire or development of the fire. A method for same is also disclosed.

Abstract: An apparatus for extinguishing fires in stoves used in food preparation. This invention detects a grease fire on the stovetop by detecting an elevated temperature associated with a grease fire and releases a fire suppression agent into the burning pan. A trigger mechanism retracts a restraining pin releasing the lever and cover. A packet of dry fire suppression agent with a foil separator falls using gravity. The foil separator is folded in a manner that divides the fire suppression agent into smaller portions.

Abstract: A fire suppression system with a visible status indicator positioned within a ventilation hood of a stove is described. The fire suppression system comprises a container within which resides a fire suppressing material and an expulsion activation mechanism subassembly. The fire suppressing material further comprises a dye colorant material. The system further comprising a light source positioned adjacent and projected through the container such that when the fire suppressant material is present within the container, the light appears to be a different color. The system positioned with a canopy portion of a ventilation hood.

Abstract: A fire suppression apparatus adapted for connection to a water supply for a faucet has one or more spray nozzles (26), at least one valve (20) operable into an open position to fluidly couple the one or more spray nozzles (26) to a water supply for a faucet (4), a fire sensor (28), and a controller (21) connected to the fire sensor (28), and upon sensing a fire, the fire sensor (28) is adapted to trigger the controller (21) to operate the at least one valve (20) into the open position.

Abstract: A fire extinguishing device comprises a pan with a handle extending therefrom. The pan has a top side and an under side; the under side having a concave portion extending from a perimeter portion. The pan has side perimeter portions extending between a proximal end and a distal end. The under side of the proximal end having a perimeter portion that lies substantially in a single plane and a raised portion of the under side of the distal end of the perimeter portion is raised from the single plane.

Abstract: A fire suppression system with a visible status indicator positioned within a ventilation hood of a stove is described. The fire suppression system comprises a container within which resides a fire suppressing material and an expulsion activation mechanism subassembly. The fire suppressing material further comprises a dye colorant material. The system further comprising a light source positioned adjacent and projected through the container such that when the fire suppressant material is present within the container, the light appears to be a different color. The system positioned with a canopy portion of a ventilation hood.

Abstract: A kitchen exhaust hood assembly having a fire suppression system with built-in redundancy and monitoring capabilities is presented. The fire suppression system includes one or more fire suppression devices associated with the kitchen hood for extinguishing a fire within the vicinity of the exhaust hood. The fire suppression devices can be triggered by a series of manual actuators or fire sensors. A switching circuit including a plurality of switches operatively connected to the manual actuators or fire sensors triggers the fire suppression devices by enabling either a first or second actuating circuit.

Abstract: A cleaning system for a cooking range exhaust having a hood, a backsplash, and a flue for exhausting cooking effluent is disclosed. The cleaning system includes a fluid delivery system constructed for placement within the cooking range exhaust. The fluid delivery system includes a hood spray conduit constructed for placement within the hood and comprising spray openings for directing a degreasing composition to the backsplash. The fluid delivery system includes a flue spray conduit constructed for placement within the flue and comprising spray openings for directing the degreasing composition to an interior surface of the flue. The cleaning system includes a pump system constructed for conveying the degreasing composition from a degreasing composition source and through the fluid delivery system. The cleaning system includes a collection reservoir constructed to collect degreasing composition runoff from the cooking range exhaust.

Abstract: An improved fire protection system that is of fail safe design for kitchen stoves with or without a range hood and other applications utilizing electrical power for generating heat and in which a fire condition such as a skillet of grease becomes ignited. Said system is activated thermally to release a quantity of fire suppressant material while simultaneously cutting off the electrical power. The system utilizes a reservoir containing the fire suppressant under pressure with a hose or pipe connected to one or a plurality of thermally activated nozzles. A second hose or pipe is connected to a pneumatically operated electrical interruption device.

Abstract: A flame suppression device adaptable to conventional barbeque grills for emergency use while grilling food comprises a water reservoir holding approximately two (2) gallons of water is located at the base of the grill is herein disclosed. A manual operated pump provides pressurized water from the reservoir into a tube which is routed to a valve and then to a plurality of nozzles located directly above the cooking surface and above the heating element. To operate while grilling, a person would open the valve to release water to extinguish any unwanted flames.

Abstract: The present invention is a device to suppress or extinguish fires. In some embodiments, the fire extinguisher of the present invention comprises a fire extinguishing agent, a housing comprising a first material for retaining the fire extinguishing agent, and an attachment means for attaching the fire extinguisher to a surface. The fire extinguisher is actuated when the first material loses integrity upon exposure to a predetermined high temperature or exposure to open flames, resulting in a release of the fire extinguishing agent on the target area and thereby suppressing the fire or potential fire.

Abstract: The present invention relates to a fire suppression apparatus 220 and/or cooking appliance 222 with a fires suppression apparatus adapted for installation or installed at a location on or proximate the cooking appliance, the apparatus comprising one or more nozzles for coupling to a mains water supply 188 via one or more valves operable by a controller 190, wherein the controller 190 is triggerable by a fire sensor 240 to operate the one or more valves 190 to supply water to the nozzles 26 when a fire or activity indicative of a fire is sensed.

Abstract: Automatic fire extinguishing equipment of a fume hood includes a cabinet having a workbench, a vent pipe, and ventilation equipment. In front of the cabinet is a window panel. Top rim of the workbench has first and second detection elements, and automatic fire extinguishing equipment mechanisms. The ventilation equipment contains a fire damper. When fire occurs at the workbench from experiments, the first detection element detects a fire signal first to issue alarming sound (or alerting flash) promptly, the ventilation equipment shutdowns, with the fire damper closed for closing the vent pipe. When the second detection element detects a smoke or high temperature signal, the window panel is closed, with the automatic fire extinguishing equipment mechanisms activated automatically to terminate flame, thereby preventing thick smoke or flame from channeling into the vent pipe to spread the fire, and preventing the fume hood from starting a cascade of fire.

Abstract: This invention relates to a fire extinguishing system (1) consisting of a developed fire extinguisher (2) for the kitchens and vehicles (sea and land) which increases the safeties of the users and provides a productive using by having a control box (4) connected to it and placed to a far place from the area where the fire may occur and triggering the fire extinguisher (2) in the course of fire.

Abstract: A stovetop fire suppression system is provided which senses the stovetop environment, assesses a fire condition, and limits a fuel or electricity heat source upon determination of a stovetop fire condition. Either, or both of, sound or heat may be monitored for the presence of a fire. Sensed day can be processed for spectral density or rate of rise for subsequent comparison to thresholds or predetermined density values. Upon determination of a stovetop fire condition a fire suppression module triggers, for example, a valve or switch to extinguish the stovetop heat source.

Abstract: The present invention relates to a device for rapidly extinguishing a fixed-wick oil stove by closing off an oil-supply tube when the oil stove is overturned or an earthquake occurs. More specifically, it relates to a device of this type which is formed using just a construction having no need for an electrical power source, which reduces costs, which entails no risk of breakdown, and which after the oil stove has been extinguished can straightforwardly be restored to the state prior to operation.

Abstract: The invention relates to a device for arresting flames in a gas flow, for example in a kitchen hood, the device includes at least two substantially parallel spaced apart fire proof sheets, wherein the sheets are provided with perforated zones, wherein at least a channel is formed by a perforated zone of the sheet upstream of the gas flow, the space between the at least two sheets and a perforated zone of the sheet downstream of the gas flow, wherein the channel includes a section which has a reverse direction relative to the gas flow.

Abstract: The purpose of the present invention is to provide the method of preventing the expansion at a minimum and extinguishing oil fire easily and to provide an extinguisher. The method of extinguishing oil fire which occurs in cooking equipment for household use or for business use is to spray extinguishing agent to firing cooking equipment as consecutive liquid drops at the flow rate from 20 ml/min to 1200 ml/min per one excretory pore at the height from 0 cm to 300 cm.

Abstract: A self-activating fire extinguisher includes a pressure vessel having an outlet and containing a fire suppressant therein. A fusible material caps the outlet such that melting the fusible material allows escape of the fire suppressant from the pressure vessel. A deflector is associated with the pressure vessel for deflecting the fire suppressant escaping the pressure vessel onto a corresponding hazard.

Abstract: A fire extinguishing system for suppressing fires on cook stoves, fryers or other heating or heated devices with fire suppressant dispensed through nozzles is powered by batteries which provide current for both a detection circuit including a pair of heat sensors and control circuitry and current for a gas or electric house current shut-off. The appliance shut-off device is operated by the standard hardwired interconnect cable that provides a signal between the control board and shutoff device or by an optional sonic receiver assembly that is acoustically tuned to detect an audible alarm emitted by a signal from the main control board. Preferably, the heat sensors are diodes, but in alternative embodiments may be thermistors or active temperature sensors. Mounting of heat sensors and nozzles are facilitated by tees and 90 degree elbows.

Abstract: A cooker system, comprising a relatively wide pan containing cooking oil at high temperatures, the pan extending longitudinally, for cooking edibles located longitudinally, single or multiple row water mist producing nozzles supported above the pan, there being one or more laterally spaced nozzles at longitudinally spaced locations above the pan, each nozzle producing mist substantially covering an area of at least about one square foot, at oil surface level in the pan, and control means to control pressurized water delivery to the nozzles, in the event of fire in or associated with oil in the pan.

Abstract: A method and device for suppression of fires related to heating appliances, vent hoods and work benches through deployment of very fine mist droplets, preferably less 100 micron diameter, into the firebase. A low momentum, high mist loading fine mist stream is introduced about the firebase. Mist is discharged to the firebase through diffusers or swirl channels so that the mist surrounding the firebase will be entrained into the firebase to secure and suppress the fire. After the fire is suppressed, the fine mist is further discharged to the hot oil surface for cooling.

Abstract: An improved fire protection system that is of failsafe design for kitchen stoves with or without a range hood and other applications utilizing electrical power for generating heat and in which a fire condition such as a skillet of grease becomes ignited. Said system is activated thermally to release a quantity of fire suppressant material while simultaneously cutting off the electrical power. The system utilizes a reservoir containing the fire suppressant under pressure with a hose or pipe connected to one or a plurality of thermally activated nozzles. A second hose or pipe is connected to a pneumatically operated electrical interruption device.

Abstract: A fire protection system and method for providing a fire protection for a cooking unit (1) comprising a vessel (2) containing liquid fat or grease. The fire protection system comprises a fire suppressant source with water based fire suppressant, preferably essentially pure water. The fire protection system further comprises at least one pipe (4) being fluidly connected to the fire suppressant source in such a manner that fire suppressant from the fire suppressant source may be supplied to the pipe(s) (4). At least one pipe (4) is arranged above the vessel (2) and extending along a direction defined by a first rim (5) of the vessel (2), said pipe(s) (4) comprising a first set of nozzles (6a) directed towards the first rim (5) of the vessel (2), and a second set of nozzles (6b) directed towards a second rim (7) of the vessel (2), said second rim (7) being arranged opposite the first rim (5).

Abstract: A fire suppression system for a fryer is provided. The fire suppression system for the fryer may include a reservoir of fire suppression agent, piping connected to the reservoir, and one or more nozzles connected to the piping and configured to direct fire suppression agent into the fry vat when the lid is not in the fully open position (such as when the lid is in the closed/unlocked position). For example, when the lid is closed, a headspace may be created between the fry vat and an interior portion of the lid. When the lid is in the closed and unlocked position (creating an opening into the headspace for venting of the fry vat), the nozzle may be configured external to both the lid and the fry vat so that fire suppression agent is directed through the opening and into headspace of the fry vat.

Abstract: An improved fire protection system that is of fail safe design for kitchen stoves and other applications utilizing gas for generating heat and in which a fire condition such as a skillet of grease becomes ignited. Said system is activated thermally to release a quantity of fire suppressant material onto the top of the stove quenching the fire while simultaneously cutting off the cooking gas. The system utilizes a reservoir containing the fire suppressant under pressure with a hose or pipe connected to one or more thermally activated spray heads. A second hose or pipe is connected to a pneumatically operated gas cut off valve. The activation of the thermally activated spray head or heads exhausts the pneumatic pressure of the reservoir thereby causing the gas cut off valve to close against the cooking gas.