188results about "Extinguishing-devices" patented technology

PCT No. PCT / JP97 / 01954 Sec. 371 Date Feb. 20, 1998 Sec. 102(e) Date Feb. 20, 1998 PCT Filed Jun. 9, 1996 PCT Pub. No. WO97 / 48294 PCT Pub. Date Dec. 24, 1997A flavor generation piece (12) incorporates a formed body (32) of a material containing a flavor substance. A heater (42) heats the flavor generation piece (12) without burning it, thereby generating a flavor. The heater (42) has a tank (46) mounted in a heat-insulating holder (44) to store a combustible gas. A combustion portion (52) for burning the combustible gas is disposed on the tank (46). Ignition or extinction of the combustion portion (52) is selected by a switch (58). The upper portion of the heat-insulating holder (44) forms a heat exchange duct (62) surrounding the combustion portion (52) and providing an exhaust path (64). An air pipe (74) is disposed to cross the heat exchange duct (62) transversely in the exhaust path (64). Heat exchange is performed between a fluid flowing in the exhaust path (64) and a fluid flowing in the air pipe (74). A socket (76) communicating with the air pipe (74) to detachably mount the flavor generation piece (12) is disposed on the outer side surface of the heat-insulating holder (44).

A lighter comprises a lighter housing, a gas container for storing liquid inflammable gas, a combustion device connected to the gas container, and an igniter for igniting inflammable gas in the combustion device. The housing includes an upper cover and a case, wherein one side of the upper cover includes a protuberance forming a small hole thereon; a connector disposed below the protuberance of the upper cover for connecting the upper cover and the case, wherein the connector includes a recess portion coupling with the protuberance and having transverse holes on both sides of the recess portion; and a bolt for rotationally connecting the protuberance and the recess portion; wherein the case has at its edge port a longitudinal groove connected to the connector and having an opening at the edge port of the groove to couple with the protuberance of the upper cover.

A process for control of the alumina content of the bath in a cell for production of aluminum by electrolysis of alumina dissolved in a molten cryolite-base salt, consisting of alternation of phases of alumina underfeeding and phases of alumina overfeeding compared with a theoretical mean rate of alumina consumption of the cell, the said alternation being a function of values, calculated at the end of each control cycle i of duration T, of the mean resistance R(i) measured at the cell electrode terminals, of the rate of change of this resistance or resistance slope P(i), of the rate of change of the resistance slope or curvature C(i) and of the extrapolated slope PX(i)=P(i)+C(i)xT, these values being compared respectively with reference values Po, Co and PXo in order to modulate, according to an appropriate control algorithm, the alumina content of the bath in a very narrow concentration range between 1.5 and 3.5%.

A premix burner arrangement with catalytic combustion provides a fuel / air mixture to a combustion chamber of a gas turbine arrangement. The premix burner arrangement includes a premix burner, at least one fuel addition unit, and air inlet openings arranged in such a way that at least one of gaseous and liquid fuel can be mixed with combustion inlet air inside the premix burner to form a fuel / air mixture. The fuel / air mixture exits from the premix burner downstream in the direction towards a combustion chamber positioned after the premix burner arrangement and can be ignited inside the combustion chamber. A catalyzer unit is provided before the entrance of the fuel / air mixture into the combustion chamber. Part of the fuel / air mixture can be introduced into and passed through the catalyzer unit before the catalyzed part of the fuel / air mixture flows together with the remaining portion of the fuel / air mixture into the combustion chamber.

What is shown is an improved gas burner assembly that is easily adapted to attach to a range top or cooktop, or the floor of the range and can draw air from either above the range top level by external vents or from below range top level through an open style mixing cup. The improved gas burner assembly uses a plurality of flame rings providing the user a wide variety of temperature settings starting from a low intensity simmer to high intensity cooking heat. A gas transfer channel provides a sustaining ignition source. The gas transfer channel has sustaining flame buttons interior to the burner body, and provides the initial ignition for the main flame rings. The gas transfer channel additionally has slots that provide additional sustaining flames for the main flame rings located on the exterior of the burner body. The improved gas burner assembly additionally uses a cover plate of transparent or translucent, heat proof material that allows the user to observe the interior of the burner to which flame rings have ignited. The cover plate also transfers heat from the internal flame rings to the cooking utensil imparting a more uniform transfer of heat to the cooking utensil.

A system and method provide a container holding a candle, a covering portion that can cover an opening of the container holding the candle, a device that automatically extinguishes the candle utilizing the covering portion and an attachment portion shaped to fit around the opening of the container holding the candle. The attachment portion can be removeably secured to the container via a securing system. The attachment portion can also be coupled to the covering portion and the device that automatically extinguishes the candle.

A combustor includes a casing that surrounds at least a portion of the combustor and includes an end cover at one end of the combustor. An end cap axially separated from the end cover is configured to extend radially across at least a portion of the combustor and includes an upstream surface axially separated from a downstream surface. A plurality of tubes extends from the upstream surface through the downstream surface to provide fluid communication through the end cap. A cap shield extends axially from the end cover and circumferentially surrounds and supports the end cap.

A method and apparatus for controlling a candle flame. A candle flame may be provided in a controllable environment, e.g., an enclosed area formed at least in part by an air-tight cover. Air may be forced into the enclosed area by an air movement device (e.g., a fan) to keep the flame burning. The flame may be extinguished by reducing (e.g., stopping) air flow into the enclosed area.

A lighter has been integrated into portable electronic equipments such as cellular phones, PDAs, or portable game players. The lighter can be completely stowed within the portable electronic equipment so that no parts protrude out of the portable electronic equipment's housing. Thereby not only the size can be reduced but also damage and entanglement with other things the portable electronic equipment is kept together as well as injuries can be avoided. The lighter is operated by a switch which is implemented as button either on the side of the portable electronic equipment or as a GUI menu or button on the display unit. When pressing the switch button the cover on the outlet of the lighter is being removed while at the same time a cylinder is being extended and moving out of the outlet, and a flame ignited in the burner unit appears from inside of the cylinder. The lighter includes a fuel tank which can be either fixed or removable as for instance fuel gas cartridges. A function for detecting the fuel gas amount and displaying it on the screen and a security function to lock the burner of the lighter are also provided.

A burner assembly for a gas powered cooking appliance is provided. The burner assembly may include a burner body including a central region and a plurality of radiating extensions extending radially outward from the central region. The burner assembly may include a burner cap with a central region and a plurality of radiating extensions extending radially outward from the central region. The burner cap is positioned on top of the burner body when the burner is assembled. The burner cap may include at least one overhang positioned on the outer perimeter of the central region and between an adjacent pair of radiating extensions. The at least one overhang forms a gap between the exterior wall of the burner body and the interior wall of the overhang. This gap, or flame stabilization chamber, provides for collection of gases and flame that aid in maintaining the flame during low temperature operation.

A torch includes a tank adapted to contain a fuel, a firebowl atop the tank defining a fill opening, and an operating device that fits over the firebowl as a snuffer. A closing device may be fitted into the fill opening. The closing device may be movable between a lowered closed position and a raised open position. The closing device defines at least one recess for receiving a portion of an operating device that moves the closing device between the open and closed positions.

An apparatus having a substantially air-sealed, transparent, front through which a flame within the firebox may be viewed. The apparatus may include a burner configured to hold and burn a liquid fuel and positioned so as to cause a flame from the burning fuel to appear within the firebox. The liquid fuel may be ethanol. The apparatus may include an igniter that has a user-operated igniter control that may be operated by a user from outside of the firebox that, upon operation, causes the liquid fuel within the burner to be ignited. The apparatus may include an extinguisher that has a user-operated extinguisher control that may be operated by a user from outside of the firebox that, upon operation, causes the flame to be extinguished. The apparatus may include a fuel inlet located outside of the firebox, and a fuel channel between the fuel inlet and the burner. A fuel tank may also be provided.

A combustor includes an end cap having an upstream surface axially separated from a downstream surface. A cap shield circumferentially surrounds the upstream and downstream surfaces, tubes extend from the upstream surface through the downstream, and a plenum is inside the end cap. A first baffle extends radially across the plenum toward the cap shield, and a plate extends radially inside the plenum between the first baffle and the upstream surface. A method for supplying fuel to a combustor includes flowing a working fluid through tubes, flowing a fuel into a plenum between upstream and downstream surfaces, radially distributing the fuel along a first baffle, and axially flowing the fuel across a plate that extends radially inside the plenum.

Gas burners on modern kitchen cooking appliances are subject to fluctuations caused by drafts, breezes, etc. These burners will require flame stabilization chambers or another suitable engineering solution to overcome this problem. This invention describes a flame stabilization chamber that is constructed exterior to the main burner chamber and covered by the burner cap. The flame stabilization chamber acts to prevent extinguishing of the flame due to a random draft or breeze, by providing additional captured flammable gas / air so as to maintain the flame.

Smart Wick is a wick for a candle that is designed with the ability to automatically extinguish a flame in equal-timed intervals as well as the ability to access a new wick for relighting.

One flexible windproof candleholder, which is composed of upper-open cylinder candleholder with gap at its side to change candle, a slide cover that covers onto periphery of candleholder and canister cover with light holes that covers onto interior of candleholder; wherein protruding stopper ball is respectively set at external and internal rim of bottom section of candleholder; concave parts made at lower rim of slide cover and canister cover can be used for block, so, slide cover moves down to envelop gap, wind may not blow candle; as slide cover and canister cover respectively move down to periphery and interior of candleholder, slide cover is pushed against upper cover of canister cover so that internal space of candleholder is sealed, the burning candle may extinguish itself due to lack of oxygen, canister cover slides upward along vertical runner setting in symmetry inside candleholder by stopper ball protruded at external low section, meanwhile, slide cover also slides upward to upper section of candleholder, you can change candle easily because gap is not enveloped at this moment, therefore, such candleholder is safe and convenient in application.

The automatic candle snuffer is a mechanical timer driven device that extinguishes a candle in a jar after a user selectable time interval. A clamp mounts the candle snuffer to the mouth of the jar. The snuffing mechanism is a spring driven gear housing shaped to cover the mouth of the jar in the closed position, but which rotates around a stationary pin to uncover the jar. The gear housing contains a spring-driven timer, which drives a plurality of gears. Rotating the upper portion of the gear housing relative to the lower portion winds a timing spring, while rotating the entire housing around the pivot pin uncovers the mouth of the jar and winds a return spring. When the timer spring is unwound, a release mechanism frees the gear housing allowing the return spring to rotate the gear housing until the mouth of the jar is covered.

A combustor includes an end cap, a combustion chamber downstream from the end cap, and a plurality of tubes that extends through the end cap to provide fluid communication through the end cap to the combustion chamber. A casing surrounds the end cap, and a conduit extends from the casing to the end cap. A duct extends around the conduit and inside the end cap to provide fluid communication to the end cap. A method for supplying fuel to a combustor includes flowing a working fluid through a plurality of tubes that extends axially through an end cap, supplying a first fluid through a conduit into the end cap, and supplying a second fluid through a duct spiraling around the conduit into the end cap.

A burner for producing carbon black, includes a combustion chamber which can be supplied with fuel gas and an oxidizing gas in such a way that a diffusion flame producing carbon black particles is generated in the combustion chamber. The burner is also provided with a carbon-black discharge line. Carbon black formed in the combustion chamber can be discharged via an opening in the combustion chamber which feeds into the carbon-black discharge line. The discharge line is also provided with an opening through which an extinguishing gas can be supplied to the carbon-line. The burner permits the stable and reproducible production of carbon black particles which present well defined chemical and physical characteristics.

A method and apparatus for controlling a candle flame. A candle flame may be provided in a controllable environment, e.g., an enclosed area formed at least in part by an air-tight cover. Air may be forced into the enclosed area by an air movement device (e.g., a fan) to keep the flame burning. The flame may be extinguished by reducing (e.g., stopping) air flow into the enclosed area.

An improved fire extinguishing system for residential and commercial cook stoves and ranges includes one or more heat and / or smoke sensors connected to a control circuit. A cut-off switch activated by the heat and / or smoke sensors is provided to interrupt the flow of gas or electric power to the cook stove burners. The burners are in fluid communication with a source of a fire suppressant. Upon sensing a fire on the cook stove, fluid communication is established between the burners and fire suppressant for rapidly cooling the burners and extinguishing the fire.

An apparatus for snuffing a candle or other element in a container. A base fits the container and includes shutter(s) for covering an opening. A shutter operator may include an arm preventing the shutter(s) from covering the opening when the arm is locked, and causing the shutter(s) to cover the opening when the arm unlocked. The shutter operator includes a closer for unlocking the arm, and may include a closing facilitator such as a spring for moving the arm to close the shutters. A timer may time a selectable period. An activation plate may respond to expiration of the period by activating the closer to unlock the arm. The apparatus may include timer marks. A time indicator may move relative to the marks to indicate time remaining and / or expired. The apparatus may include an opener for opening shutter(s) regardless of the selected period and / or without setting an expiration period.

A torch has a fuel container with a reservoir and a top cover. The top cover defines a first wick passage, a first fill hole, and a guide slot. A fire bowl is positioned atop the fuel container and defines a second wick passage, a second fill hole, and a guide member. At least one open rotational position is allowed between the fuel container and fire bowl such that the first and second fill holes are aligned to allow fluid into the reservoir via the fill holes. At least one closed rotational position is allowed between the fuel container and the fire bowl such that the first and second fill holes are out of alignment substantially blocking fluid flow into or out of the reservoir via the fill holes.

A grill that includes a base and, residing thereupon, a cooking surface in the form of a grate for supporting food to be cooked by the grill. A first removable drawer is positionable beneath the grate having at least one burner. A source of combustible fuel, such as a pressurized gas, is contained within a tank located within the base of the grill. A fuel line emanating from the pressurized tank terminates at a control valve having a first gas transmitting position facilitating the combustible fuel fed to the at least one burner and a second gas blocking position preventing the combustible fuel to be fed to the at least one burner. The control valve is capable of assuming the first gas transmitting position only if the first removable drawer has been fully positioned beneath the cooking surface. When an alternative drawer, such as one containing charcoal is employed, fuel from the pressurized tank is blocked from emanating from the tank.

A combustor includes a casing that surrounds at least a portion of the combustor and includes an end cover at one end of the combustor. An end cap axially separated from the end cover is configured to extend radially across at least a portion of the combustor and includes an upstream surface axially separated from a downstream surface. A plurality of tubes extends from the upstream surface through the downstream surface to provide fluid communication through the end cap. A cap shield extends axially from the end cover and circumferentially surrounds and supports the end cap.

A fan-based candle snuffer for blowing out an open flame. This candle snuffer is comprised of: a transmitter equipped with an input device, which generates a signal when the input device is activated by a user; a receiver that toggles power to an output port upon receiving the signal from the transmitter; and a fan connected to the receiver output port, whereby the fan can be remotely turned on or off by a user, thereby enabling the user to remotely blow out the open flame. The device may also be equipped with a countdown timer connected to the power port to control the fan.

A single inexpensive device that creates flame utilizing an igniter that ignites an internal fuel source and a means and methods for extinguishing a flame all integrated into the same said device.

A grill that includes a base and, residing thereupon, a cooking surface in the form of a grate for supporting food to be cooked by the grill. A first removable drawer is positionable beneath the grate having at least one burner. A source of combustible fuel, such as a pressurized gas, is contained within a tank located within the base of the grill. A fuel line emanating from the pressurized tank terminates at a control valve having a first gas transmitting position facilitating the combustible fuel fed to the at least one burner and a second gas blocking position preventing the combustible fuel to be fed to the at least one burner. The control valve is capable of assuming the first gas transmitting position only if the first removable drawer has been fully positioned beneath the cooking surface. When an alternative drawer, such as one containing charcoal is employed, fuel from the pressurized tank is blocked from emanating from the tank.

A gas burner assembly is provided for a cooking appliance including a cooktop surface. The gas burner assembly comprises an outer gas burner comprising an outer burner body, the outer gas burner configured to provide an outer cooking flame; and an inner gas burner comprising an inner burner body, the inner gas burner configured to provide an inner cooking flame, wherein secondary air supplied to the inner gas burner flows through one or more openings through the cooktop surface, wherein one or more channels direct spills beneath the outer gas burner onto the cooktop surface.

A lighter has been integrated into portable electronic equipments such as cellular phones, PDAs, or portable game players. The lighter can be completely stowed within the portable electronic equipment so that no parts protrude out of the portable electronic equipment's housing. Thereby not only the size can be reduced but also damage and entanglement with other things the portable electronic equipment is kept together as well as injuries can be avoided. The lighter is operated by a switch which is implemented as button either on the side of the portable electronic equipment or as a GUI menu or button on the display unit. When pressing the switch button the cover on the outlet of the lighter is being removed while at the same time a cylinder is being extended and moving out of the outlet, and a flame ignited in the burner unit appears from inside of the cylinder. The lighter includes a fuel tank which can be either fixed or removable as for instance fuel gas cartridges. A function for detecting the fuel gas amount and displaying it on the screen and a security function to lock the burner of the lighter are also provided.