Abstract: A heat-recovering oven system based on temperature gradient comprises: multiple chambers arranged in a sequence, the chambers configured for operating at various temperatures according to a temperature gradient arrangement that spans the sequence; a conveyor configured for transporting product through the multiple chambers in the sequence for heat treatment according to the temperature gradient arrangement; and multiple temperature-segregated heat exchanger systems, each heat exchanger system including a heat exchanger, a conduit to at least one of the chambers based on its temperature in the temperature gradient arrangement, and a return conduit from the at least one chamber to the heat exchanger.

Abstract: A flexible pouch for heating articles includes a pair of panels forming a compartment and a pair of heating units which are disposed on either side of the compartment to heat the articles within the compartment. Seal portions are formed adjacent side edges for forming a holding area to be grasped by the hand of the user.

Abstract: A cooktop appliance includes a gas burner assembly with one or more burner bodies that define a first plurality of flame ports, a first fuel chamber, a second plurality of flame ports and a second fuel chamber. A fan is coupled to the gas burner assembly such that the fan is operable to urge a flow of air into only the second fuel chamber. An operating speed of the fan is fixed such that a firing rate of the second plurality of flame ports is fixed.

Abstract: An automatic extinguisher for the flame of a candle includes a fan sized and configured to be supported by a candle, and a controller connected to the electrical fan and operable to activate and de-activate the fan. The controller includes a timer for activating the fan after a pre-determined first time interval to direct air from the fan to the flame of the candle, and operable to de-activate the fan after a pre-determined second time interval shorter than the first time interval.

Abstract: A gas cooking device is provided with: at least one burner; a gas supply conduit; at least one valve arranged between the gas supply conduit and the burner and configured to regulate the gas flow rate supplied to the burner; a fixing device configured to fix the valve to a first portion of the gas supply conduit; and a safety device configured to fix the valve to a second portion of the gas supply conduit.

Abstract: A duel-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: The present inventions are directed to an ash catcher system for use with a charcoal grill and having an ash catcher pan and a plurality of support clips.

Abstract: A grill with a split lid that allows the user to safely and efficiently manage cooking food items. The grill includes a housing body, a first split lid, a second split lid, a grill tray, a charcoal tray, and a support-structure assembly. The first split lid and the second split lid cover and provide access to the housing body. The split lid and the second split lid are positioned opposite to each other, across a main opening of the housing body. The first split lid is laterally and hingedly connected to a first lateral sidewall of the housing body. Similarly, the second split lid is laterally and hingedly connected to a second lateral sidewall of the housing body. The support-structure assembly is adjacently mounted to the housing body, opposite the main opening. The grill tray and the charcoal tray are each laterally and slidably mounted into the housing body.

Abstract: A collapsible stove includes an expandable combustion chamber formed from nested annular rings that can collapse to about the height of a single ring and expand into a combustion chamber for burning combustible materials. Ventilation holes at the bottom of the combustion chamber provide airflow into the combustion chamber. The combustion chamber is frustoconical and narrows at the top which increases air flow into the combustion chamber via the Venturi effect. Fuel can be added and ignited in the combustion chamber and cookware containing food can be placed onto an associated top plate suspending the combustion chamber. The collapsible stove can include rotatable legs. To use the stove, the rotatable legs can be opened, allowing the nested annular rings to telescope and expand to form the combustion chamber. For carrying and storage, the nested annular rings can be collapsed and a rotatable leg can secure the rings in the collapsed configuration.

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 burner has a dual use pot whereby the pot can be machined to provide for single flow control to inner and outer flame rings (directly related to each other) as a single flow configuration or maintained in a dual flow configuration whereby a user can separately control flow to inner and outer flame rings (independently related to one another). A lateral passage is fed from an inlet to feed outer flames while a transverse passage possibly elevationally displaced from the transverse passage for some embodiments can feed the inner ring. The lateral and transverse passages are joined to be in fluid communication through the method taught herein.

Abstract: A multi flame-ring gas burner for cooktops includes a lower burner body configured to receive at least two injectors facing Venturi ducts; a first burner base with a first cap and with openings for a central flame ring; and a second burner base with a second annular cap and openings for an outer annular flame ring. The lower burner body has a seat for a spark plug interacting with the first burner base; two cylindrical seats having substantially horizontal and parallel axes accommodating two tubular elements internally shaped like linear Venturi ducts; and a substantially tubular portion projecting upward, the first burner base being integral with the projecting tubular portion. An injector-holder unit is applicable to the lower burner body and has two portions that are removably insertable into corresponding through holes in the lower burner body and facing the tubular elements internally shaped like linear Venturi ducts.

Abstract: A gas burner with multiple rings of flames, suitable for mounting on a top plate of a cooking appliance in particular for household use. The top plate extends substantially in a plate plane. The gas burner includes a central burner having a ring of peripheral flames and at least one annular burner having at least one ring of peripheral flames. The annular burner surrounds the central burner. The gas burner also includes a burner body suitable for attachment to the top plate. The burner body includes at least a first gas inlet communicating with a first gas injector situated facing a first convergent-divergent pipe forming a Venturi tube. The first pipe has an axis substantially parallel to said plate plane. The first pipe extends over at least the greater portion of a transverse extension of the burner body. The first pipe is, at its end opposite to the first gas injector, in communication with a shaft substantially perpendicular to the axis of the first pipe.

Abstract: The automatic flame extinguisher may include a base for selectively positioning the automatic flame extinguisher in relation to a candle. A lid coupled to the base may selectively rotate about a pivot between a first open position that allows a burning wick of the candle to receive sufficient ambient oxygen to continue burning and a second closed position to extinguish the burning wick of the candle. In this respect, a timer may include a clock for selectively activating the pivot to reposition the lid from the first open position to the second closed position after the clock reaches a threshold operation time.

Abstract: A mounting bracket mountable to the underside of the cabinet prior to the range hood and configured to engage and support the range hood as the range hood is secured to the cabinet. The mounting bracket having a support feature engagable to the range hood to hold the range hood proximate the cabinet while fasteners are sunk to secure the range hood to the cabinet. The mounting brackets are pre-positioned on the cabinet such that range hood is aligned with the cabinet when the range hood is supported by the support feature. The smaller mounting brackets can be more easily mounted in the proper position on the cabinet then the larger range hood speeding the installation process and reducing errors.

Abstract: A refractory panel for a heat exchanger is provided having a body including a first planar surface having a plurality of refractory openings formed therein. A sidewall is arranged about a periphery of at least one of the plurality of refractory openings. The sidewall extends outwardly from the first planar surface and is configured to extend through an adjacent component into an inlet of a heat exchanger coil.

Abstract: A roof mounted oxygen-fuel burner for a glass melting furnace can produce a variable moving or sweeping flame in the furnace and can also vary the flame shape. The burner has a housing having an oxygen inlet pipe coupled to an oxygen chamber and a fuel inlet pipe coupled to a fuel feeding crossover block. The fuel feeding block feeds fuel to a nozzle fuel port while the oxygen chamber feeds a plurality of nozzle oxygen ports which oxygen port outlets are angled toward the centralized fuel port outlet. A rotating impeller over the oxygen ports has a partial opening that causes a variable moving or sweeping flame in the burner as the impeller rotates. The impeller is also raised or lowered to control the flow of oxygen to the plurality of oxygen port outlets to control the shape of the burner flame.

Abstract: A heating furnace includes a target space (212a) in which a burning target is disposed, and a furnace main body (212) that surrounds the target space. The heating furnace includes one or more closed gas heaters having an introduction hole configured to introduce a fuel gas into the main body, a combustion chamber in which the introduced fuel gas is combusted, a discharge section to which an exhaust gas generated by combustion is guided, a radiation surface heated by the exhaust gas flowing through the discharge section or combustion in the combustion chamber and configured to transfer radiant heat to the burning target, and an exhaust hole configured to exhaust the exhaust gas that heats the radiation surface to the outside of the main body, and disposed in the furnace main body, and an exhaust heat transfer section (an insulated pipe (222a)) in communication with the exhaust hole of the closed gas heater and to which the exhaust gas is guided.

Abstract: A solar thermal control system includes a membrane configured to receive solar energy, wherein the membrane is configured to form a cavity between the membrane and an outer surface of a structure by coupling to the outer surface, and wherein the solar energy is configured to heat air within the cavity. The control system also includes a thermal collection unit configured to connect to the cavity and receive and direct air from the cavity, and a ducting system coupled to the thermal collection unit and configured to direct air from the thermal collection unit to at least one of the interior of the structure and a vent.

Abstract: A water-cooled column (4) used in a circulating fluidized bed boiler furnace is disclosed, wherein the water-cooled column is formed by connecting membrane water-cooled walls (41). The water-cooled column (4) includes a lower section (A), an upper section and a transition section. The lower section (A) is a single column and is provided with inner secondary air ports (400) on a side wall thereof. The upper section includes a plurality of sub-columns (B, C). The membrane water-cooled walls at the lower section (A) extend to the upper section through the transition section. Each of the sub-columns (B, C) is formed by connecting extension portions extending upward from respective membrane water-cooled walls (41) in the membrane water-cooled walls (41), which are connected to form the lower section (A), and the plurality of sub-columns (B, C) are separated from each other.