Abstract: A gas fireplace combustion device structure includes a simulated solid fuel and a combustor under the simulated solid fuel. The combustor has a fire exit hole facing the simulated solid fuel, a combustion air inlet passage under the combustor, and a specific slot at the combustor to define a third combustion air inlet. A partition is installed under the combustor; a second combustion air inlet leading to fire exit hole is formed between the partition and the combustor; the combustion air inlet passage is provided for supplying air to the second and third combustion air inlets; a combustion air slot is formed at the middle of the simulated solid fuel to resupply combustion air to the flame above the simulated solid fuel in order to achieve a two-time sectional combustion. This invention can control and resupply combustion air to the flames in different areas to improve the combustion effect.

Abstract: A dual-fuel fireplace apparatus is described. In one example, an apparatus includes an enclosure having a door disposed thereon and a wood-burning compartment disposed within the enclosure. The wood-burning compartment has an insulated housing configured to support temperatures associated with burning of wood within the wood-burning compartment. A gas-burning compartment is also disposed within the enclosure and has a gas burner disposed therein. A mechanism including a motor is configured to cause movement between a first mode in which the wood-burning compartment is viewable through the door and a second mode in which the gas-burning compartment is viewable through the door.

Abstract: A flare burner for burning combustible waste gases with a manifold, at least two arms, and a plurality of outlets disposed on the plurality of arms. The arms may be perpendicular to the manifold. The arms may also extend outwardly from the manifold. The arms may extend into annuli, to produce oppositely flowing exit gas. A curved dispersing surface may be disposed above the manifold. The arms may comprise a curvilinear shape or include both a linear and a curvilinear portion. The arms are unequal in length and may curve in an opposite direction from each other. The outlets are configured and spaced such that flame is short relative to size of the flare burner.

Abstract: A combi stove (1) is arranged for combusting both logs and granular material. The combi stove (1) has a common combustion chamber (2) arranged so that both the logs and the granular material may be combusted in the common combustion chamber (2). The combi stove (1) further has an ash collector (3) arranged under the combustion chamber (2) and a front aperture (4) through which logs may be placed in the combustion chamber (2). Also the combi stove (1) includes a granular material combustion area (5) arranged in the combustion chamber (2), wherein the granular material combustion area (5) has a bottom combustion surface (6) including bottom airflow apertures (7) arranged to enable an airflow to the granular material during a combustion of the granular material in the granular material combustion area (5).

Abstract: An outdoor decorative burner having a direct gas feed and a linear burner having a plurality of longitudinally-oriented slit-like flame orifices. The linear burner is securely attached to a plate by at least two wrap brackets. A direct spark igniter and a flame sensor are included and surrounded by protective cages.

Abstract: A flow control apparatus includes a flow control signal generation device for generating a DC control signal based on an audio signal and at least one proportional valve. The flow control signal generation device includes an audio receiving module, a filter rectifier module, a microprocessor and a proportional valve control signal generation module. The filter rectifier module generates at least one DC audio signal by filtering the audio signal provided by the audio receiving module. The microprocessor generates a plurality of period attenuated values based on the DC audio signal. The proportional valve control signal generation module filters the audio signal, attenuates the signal based on the period attenuated values, and then performs filtering and rectification processing to generate the DC control signal, such that the proportional valve may control the opening ratio of the proportional valve based on the DC control signal.

Abstract: A method of controlling an HVAC system can include receiving audio that includes a predefined trigger phrase followed by a voice command to change a set point temperature of the HVAC system to a requested set point value, converting the audio into a natural language audio stream, identifying the predefined trigger phrase in the natural language audio stream, transmitting a part of the natural language audio stream that includes the voice command to a remote web service for identifying the voice command therein, receiving a first building control device command generated by and from the remote web service at a building control device when the requested set point value is within a predetermined range, and receiving a second building control command generated by and from the remote web service at the building control device when the requested set point value is outside of the predetermined range.

Abstract: A high efficiency wood burning furnace assembly includes an internal firebox having a door positioned therein to access an interior of the internal firebox. An exhaust throat extends through an upper wall and a grate is mounted in the internal firebox and is spaced vertically above a lower wall. A primary diffuser is mounted within the internal firebox and is positioned adjacent the front wall and the grate. A primary air supply is in fluid communication with the primary diffuser to supply air to the primary diffuser such that the air is released along an upper surface of the grate. An air conduit is mounted in the internal firebox and extends upwardly from the primary diffuser. The air conduit releases air vertically above the grate and the primary diffuser. A front wall of the internal firebox has inlets extending therethrough that are fluidly coupled to the air conduit.

Abstract: A “flame show” is responsive to an audio input signal such as music. A base unit including an analog base unit controller circuit is arranged to receive an audio input signal and generate an analog control signal that is responsive to the audio input signal. The analog control signal is distributed, by wire or wireless, to one or more flame display units such as a “tiki torch.” Each flame display unit has a fuel source, and a proportional valve for controlling an amount of fuel supplied to a burner. Preferably, the control signal controls a gate terminal of a MOSFET semiconductor device, which in turn is coupled to control current in the proportional valve each each unit. By deploying multiple flame display units, all coupled to the same base unit, all of the flame display units contribute synchronously to the overall flame show.

Abstract: An internet-based device for remotely controlling the flow of electricity to electrical devices that operate on millivolt or low voltage currents, including electrically operated gas powered fireplaces.

Abstract: A gas hearth including a combustion chamber, a gas supplier for supplying combustible gas into the combustion chamber to a firebed simulator disposed in the combustion chamber, an ignitor for igniting the combustible gas in the combustion chamber, a flue-gas discharge duct connected to the combustion chamber for discharging combustion flue gases from the combustion chamber, and a metering means disposed in the combustion chamber for metering a pyrotechnical additive into the flames of the burning combustible gas during operation.

Abstract: A fireplace system can comprise a firebox and a heat exchanger. The heat exchanger may be in fluid communication with ambient air and may comprise an inlet configured to draw air into the front of the heat exchanger. Operation of a fireplace system comprising a heat exchanger may produce airflow through the heat exchanger by natural convection. The airflow through the heat exchanger may reduce heat transmission from the firebox and the fireplace system.

Abstract: A convection barbecue grill for grilling food with convection style circulated air includes a grill housing defining a grilling assembly sized as conventional barbecue grills, a heating and circulation assembly defining a heating element, a high temperature fan and a pair of duck and vent implements, and a filtration system which includes an air outlet and a filter. When in use, the fan is operative to blow air in a heating direction, which causes ambient air outside of the heating element to pass through the heating element and fan into the grill housing as well as air in the grill housing to be recirculated therethrough by way of the duck and vent implements. The filtration system is operative to filter air being outlet from the grill housing that is not being recirculated.

Abstract: An HVAC controller may be controlled in response to a natural language audio message that is not recognizable by the HVAC controller as a command, where the natural language audio message is translated into a command recognizable by the HVAC controller. The HVAC controller may be a thermostat including a housing that houses a temperature sensor, a microphone, and a controller. The controller may identify a trigger phrase in an audio stream provided by the microphone. In response to identifying the trigger phrase, the controller initiates processing of the audio stream to identify a command following the trigger phrase and to generate a command understandable by the thermostat that instructs the controller to perform the identified command. The controller then executes the generated command understandable by the thermostat. A user may communicate with the thermostat via the microphone of the thermostat and/or a remote device having a microphone.

Abstract: An oven appliance includes a cabinet defining a cooking chamber. The oven appliance further includes a gas burner assembly, the gas burner assembly including a burner tube disposed within the cooking chamber adjacent a top wall. The burner tube defines a passage extending from an inlet and further defines a plurality of outlet ports. The oven appliance further includes a conduit defined within the cabinet, the conduit defining a passage disposed exterior to the cooking chamber, the passage extending from an inlet. The conduit further defines a plurality of outlet apertures. The oven appliance further includes a duct defining a passage extending between an inlet and an outlet. The outlet is in fluid communication with the inlet of the burner tube for flowing primary air through the burner tube and in fluid communication with the inlet of the conduit for flowing secondary air through the conduit.

Abstract: A fireplace gas insert comprising: a fire box; a gas burner tube located inside the fire box; four legs attached to the fire box, and configured to create an air gap below the fire box; a first support bar attached to at least one of the four legs, the support bar extending generally away from the from the fire box; a gas valve attached to the first support bar, and in fluid communication with the gas burner tube; an ignition module attached to the first support bar; a remote control receiver unit attached to the first support bar; a cover configured extend from the left side of a fireplace to the right side of the fireplace, and to extend from the rear of the fireplace to the front of the fireplace, and to present a front face to the room the fireplace is located in, the cover comprising: a top; a front attached to the top and located generally orthogonally to the top; an air draw opening located in the front; a firebox opening located in the top; where the top and front generally encloses and hides from vie

Abstract: A control system for controlling a gas powered water heater includes a thermoelectric generator to provide electrical power at a first voltage, a valve control system to selectively hold a main gas valve in an open position, a valve pick system to selectively pick the main gas valve from a closed position to the open position using the electrical power at the first voltage, and a power converter. The controller is electrically powered by a boosted electrical power at the second voltage from the power converter. The controller is communicatively coupled to the valve control system, the valve pick system, and the safety system. The controller is configured to control operation of the main burner and the main gas valve using the valve control system, the valve pick system, and the safety system to provide water heated to substantially a setpoint temperature.

Abstract: A fireplace is provided that includes a combustion space delimited by a combustion-space lining and accessible through a door or flap. The combustion-space lining is at least partially composed of a ceramic or glass-ceramic material. The fireplace also includes a wall element disposed on a side of the combustion-space lining that faces away from the combustion space so that an intermediate space is formed between the side and the wall element. A heat exchanger or insulating material ca n be positioned in the intermediate space.

Abstract: The present invention relates to a fireplace insert for a gas fireplace wherein the traditional gas fireplace logs are replaced by faux candles with gas flame wicks wherein at least one candle has a heating element, besides the wicks, in the body of the candle to produce heat from the fireplace.

Abstract: Embodiments of the present invention provide components and a system for providing a safer environment for using a cutting torch. The system includes a cutting torch and a control box. There is communication from the user to the control box to allow fluids to flow to the torch. The control box includes closed biased valve(s) such that if there is a condition where there is no instruction from the torch to the control box and/or power is lost, the valves will shut, preventing fluid from flowing into the torch.

Abstract: A flush-mounted fireplace assembly comprising a surround structure configured to encompass a perimeter of an opening in a mounting wall and a bezel structure configured to fit within the outer surround structure. An inner edge of the surround structure and an outer edge of the bezel structure oppose each other and define a gap between inner edge and outer edge such that air can flow through the gap. An outside major surface of the surround structure and an outside major surface of the bezel structure are substantially co-planar with each other and with an exterior surface of the mounting wall.

Abstract: A burner system for a fuel-burning fireplace having a fuel container with at least one aperture for combusting the fuel contained therein and an adjustable flame regulator for regulating a size of the flame. The flame regulator comprises a shutter for covering the aperture having a shape corresponding to the aperture, the shutter being variably adjustable between a first position (covered aperture) and a second position (exposed aperture); a handle extending from the burner system for variably adjusting the shutter; and a connecting member for connecting the shutter to the handle, the connecting member being secured to at least two extremities of the shutter; wherein movement of the handle allows a balanced movement of the shutter over the aperture.

Abstract: A fireplace liner comprising a first panel configured to be located in front of a fireplace burner assembly that has a lateral dimension that extends across a viewing window of a fireplace box. The first panel is configured to extend laterally along the lateral dimension, and, a rear end of the first panel, nearest to the burner assembly, includes a first trough having a vertical wall with a plurality of first slots therein. The liner comprises a second panel configured to be located behind the burner assembly in the box. The second panel is configured to extend laterally along the lateral dimension, and a front end of the second panel, nearest to the burner assembly, includes a second trough having another vertical wall with a plurality of second slots therein. The first and second slots permit secondary air flow there-through.

Abstract: A heating system can include certain pressure sensitive features. These features can be configured to change from a first position to a second position based on a pressure of a fuel flowing into the feature. These features can include, fuel selector valves, pressure regulators, burner nozzles, and oxygen depletion sensor nozzles, among other features.

Abstract: A burner for consuming a fuel includes a base with a lower end, an upper end, and at least one side wall. A fuel inlet port of the upper end of the base includes at least an inner wall and a bottom wall. At least one helical conduit is fixed outside of the inner wall of the fuel inlet port and conveys air from an open lower end thereof to an opposing open top end thereof at the upper end of the base. A bottom end of an annular glass burning chamber is fixed with the upper end of the base, such that the second end of the at least one conduit terminates therebetween. As such, the fuel in the fuel inlet port mixes with the air entering the burning chamber from the at least one helical conduit and burns in a helical pattern within the burning chamber.

Abstract: A heating assembly can be used in a dual fuel heater to mix air with fuel to be combusted at the burner. The heating assembly can include a burner, a first nozzle, a second nozzle, a first conduit and a second conduit. The first conduit can have an opening configured to allow air to mix with fuel injected into the first conduit by the first nozzle.

Abstract: The invention provides a system for controlling flame to produce a music-reactive fire display. This system comprises a digital signal analyzer, electronically-controlled burner elements that allow variable control of fuel flow rate, an automatic ignition system, flame detection, and a means of communication between the signal analyzer and the burner elements.

Abstract: Disclosed is a fireplace of combusting gasified liquid fuel, which includes a furnace body provided with a furnace chamber. The furnace body is provided with a cavity which is capable of accommodating a combustion device and formed at the bottom of the furnace chamber. A fire viewport is provided at the front of the furnace body. The combustion device includes a liquid supplying device, gasification chamber and burner. A slot used for exposing the burner is provided at the top of the cavity. A flame jet hole is arranged in the burner. A liquid fuel feeding port and a gas outlet are arranged in the gasification chamber.

Abstract: A multi-level floating flame gas fireplace comprises a pair of supporting members, a burner assembly and a plurality of trays. The burner assembly includes a pair of tube members spaced parallel in vertical orientation and is secured between inner portions of each supporting member, a plurality of burners evenly spaced and extended forwardly between the pair of tube members. A plurality of orifices and at least one sound suppressor are provided in the burners to provide even flow or distribution of gas and to reduce noise. Each tray is positioned below each burner and attached between the supporting members. The trays are filled up with a glass media like fire glasses and the burners are covered with the fire glasses. Thus, the structure of the fireplace becomes invisible and when the burners are turned on, the fireplace showcases layers of the floating flames suspended in a stepped back manner.

Abstract: An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions.

Abstract: An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. The improved fire grate may be horizontally and vertically adjusted to fit within different sized fireplace combustion chambers.

Abstract: A gas fireplace includes a gas valve, a combustor, and a gas controlling device between the gas valve and the combustor. The gas controlling device has a body, a solenoid valve, and a main controller. The body has a first port, a second port, a first passage, and a second passage, wherein the first passage and the second passage respectively connect the first port to the second port. The solenoid valve is provided in the first passage to be controlled to open and close the first passage. The main controller alternately turns the solenoid valve on and off so as to repeatedly open and close the first passage. Therefore, the gas controlling device provides a variable gas flow to the combustor to reduce the total gas consumption and the user will not be aware of the change of the flames.

Abstract: An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. The improved fire grate may be horizontally and vertically adjusted to fit within different sized fireplace combustion chambers.

Abstract: An unvented gas fireplace in which air flow through a closed combustion chamber is controlled by means of a restriction in the air flow path through an outer plenum chamber surrounding the combustion chamber. The restriction in the air flow path through the plenum causes a pressure differential between the plenum and combustion chamber, forcing air from the plenum into the combustion chamber, where it is combusted and mixed with the cool air that has passed the restriction in the plenum, before the air mixture is exhausted into the surrounding room, thereby heating the room.

Abstract: Gas fire devices are provided that produce a swirling flame by passive means using the kinetic energy of gas exiting through burner ports located in a burner and the kinetic energy of air drawn through louvers or flaps radially positioned on the base of a plenum. Situated above the burner and plenum is a chimney, which surrounds the flame and may be a translucent or transparent material to help observers better see the flame.

Abstract: In certain embodiments, a valve assembly includes a housing. The housing can define a first fuel intake, a first fuel output, and a second fuel output. The assembly can include a valve member configured to direct fuel from the first fuel intake to either the first fuel output or the second fuel output. The assembly can further include a nozzle having a first portion and a second portion. The first portion of the nozzle can be in communication with the first fuel output, and the second portion of the nozzle can be in communication with the second fuel output. The assembly can include a compartment in communication with the nozzle, and can include one or more air intakes.

Abstract: An improved fire grate may provide fresh oxygen rich air to a secondary combustion zone, created by the improved fire grate, of a combustion chamber where a combustion gas stream is typically oxygen starved assisting in the burning process of incompletely burned particulates and reducing other harmful emissions. A baffle plate may be introduced in the secondary combustion zone to increase a combustion chamber temperature, encourage mixing of oxygen starved air with oxygen rich air and increase a residence time of the combustion gas within the combustion chamber. These aspects of the baffle plate promote more efficient burning of the biomass/fuel. Additionally, log lighter(s) may be disposed in the secondary combustion zone to increase a temperature of the combustion chamber for the purposes of reducing harmful emissions. The improved fire grate may be horizontally and vertically adjusted to fit within different sized fireplace combustion chambers.

Abstract: A heating apparatus can have a sealed combustion chamber. A burner and an air shutter can be within the sealed combustion chamber. An air shutter control can be outside of the sealed combustion chamber. The air shutter control can provide fine tuning adjustment of the air shutter.

Abstract: A fireplace assembly with an integrated burn control system includes a variety of features that provide an elegant, revolutionary, and highly-efficient way to heat a residence or other environment. The fireplace assembly may be used in combination with gas-burning fireplaces, stoves, and fireplace inserts. The fireplace assembly includes, but is not limited to: a control panel; a concealment door that conceals the control panel when the concealment door is closed; automatic control panel lighting that is activated when the concealment door is open; a split flow or dual burner assembly that simulates a natural wood burning fire; and an intermittent pilot ignition system that allows a pilot flame to run continuously or intermittently. The fireplace assembly can be manually controlled via the control panel or automatically and/or remotely controlled via a remote control device.

Abstract: An adjustable burn apparatus for a fireplace using a liquid or gel-type fuel. The apparatus includes an elongate housing with an elongate top opening into which an elongate removable fuel container is inserted. The removable fuel container has an elongate open top of a length approximating the length of the elongate housing, and an elongate cover which is hinged to the housing preferably along its long dimension and has an elongate flame opening. The hinged cover itself has a shutter slidably secured at its lower surface that is movable along positions opening, controlling and closing the flame opening.

Abstract: An indoor-outdoor fireplace apparatus including having a base unit which supports a pair of spaced elongate containers for a fuel of the liquid or gel type. In key embodiments, the two elongate fuel containers each have a short horizontal dimension. A shutter carrier slidably rests on the base-unit top and includes a frame to which a pair of elongate shutter plates are secured in spaced positions to cover the elongate fuel containers, such arrangement providing a visually-broad flame field with full on-and-off and adjustment control with a short shutter stroke.

Abstract: The present invention relates to a fireplace insert for a gas fireplace wherein the traditional gas fireplace logs are replaced by faux candles with gas flame wicks wherein at least one candle has a heating element, besides the wicks, in the body of the candle to produce heat from the fireplace.

Abstract: A fire display assembly has a burner tray optionally located within a hollow space in the interior of a non-flammable structure. A porous element on or in the non-flammable structure has extensions from a lower surface thereof extending into fuel in the burner tray. The assembly can include a fuel tray connected to the burner tray by conduits which provide flow channels for liquid fuel between the trays. When a container of liquid fuel is placed in the fuel tray the fuel is dispensed and flows into the burner tray. Fuel in the tray is transmitted to the outer surface of the porous element. Flammable vapors from the liquid fuel at the outer surface are then ignited. The arrangement provides a continuous feed of fuel to the surface of the non-flammable structure and allows safe replenishment of the fuel in the burner while the flame is present.

Abstract: An assembly for creating a fire display from a liquid fuel comprises a fuel receiving reservoir connected to a burner by a conduit, the conduit providing a flow channel for a liquid fuel from the reservoir to the burner. When a container of liquid fuel is placed in a bottle receiving tray the fuel is dispensed into the reservoir and in turn flows into the burner. Flammable vapors over the liquid fuel in the burner can then be ignited. The arrangement provides a continuous feed of fuel to the burner and allows safe replacement of the fuel container and replenishment of the fuel in the burner while the flame is present.

Abstract: A liquid-fuel burner apparatus for a fireplace using a liquid fuel. The apparatus includes a fuel-containment housing having walls forming a housing upper edge, the fuel-containment housing being adapted for insertion of a porous, fuel-wicking brick member. The porosity of the brick member is sufficient to support a continuous flame at the upper burn surface with fuel present in the fuel-containment housing.

Abstract: A fireplace assembly includes an outer enclosure and an inner enclosure partitioned into first and second compartments. The inner enclosure is positioned within the outer enclosure. A light source is arranged within one of the first compartment and the second compartment and at least one of a lighting element and a heating element is included. Light emitted from the light source is emitted into portions of the lighting element and heating element to luminate portions of the same positioned within the first chamber.

Abstract: A burner assembly for a fireplace, comprising a fuel-metering plate, a fuel-delivery plenum and a dividing plate. The fuel metering plate has tines that form a combed structure in an uppermost portion of the fuel-metering plate, the combed structure extending along a long dimension of the fuel-metering plate. The fuel-delivery plenum has a fuel chamber and the fuel-delivery plenum being coupled to the fuel-metering plate such that the fuel chamber extends along the long dimension of the fuel metering plate. The dividing plate is located between the fuel-metering plate and the fuel-delivery plenum. The dividing plate has a slotted opening that extends along the long dimension of the fuel metering plate, the slotted opening being in fluid communication with individual channels between the tines and with the fuel chamber.

Abstract: A fireplace liner comprising a first panel configured to be located in front of a fireplace burner assembly that has a lateral dimension that extends across a viewing window of a fireplace box. The first panel is configured to extend laterally along the lateral dimension, and, a rear end of the first panel, nearest to the burner assembly, includes a first trough having a vertical wall with a plurality of first slots therein. The linear comprises a second panel configured to be located behind the burner assembly in the box. The second panel is configured to extend laterally along the lateral dimension, and a front end of the second panel, nearest to the burner assembly, includes a second trough having another vertical wall with a plurality of second slots therein. The first and second slots permit secondary air flow there-through.

Abstract: A burner assembly comprising a burner casing having two or more separate chambers therein, the chambers being divided from each other by one or more walls. The assembly also comprises one or more input conduits each configured to deliver different fuel-air mixtures to at least one of the separated chambers.

Abstract: A heater having first and second oxygen depletion sensors and a main burner injector and configurable for the delivery of at least first and second types of fuels.