Abstract: A tiered burner having a Venturi tube in fluid communication with and connected to a chamber, the chamber being in fluid communication with rows of burner ports; the chamber having an outer wall and an inner wall; a plurality of vanes having a tiered arrangement, wherein the lowermost vane of the plurality of vanes is the smallest vane; each vane of the plurality of vanes having an inner edge extending from the inner wall towards a center of the plurality of vanes, and extending above a row of burner ports of the plurality of rows, such that flames emitted from the row of burner ports is impinged from above and thus directed towards the center of the plurality of vanes; and the Venturi tube having: a constricted midsection; a first end creating a connection to the chamber; and a second end configured to receive gas from a gas source.

Abstract: A cooking appliance includes a body and a cooktop disposed on the body. A plurality of gas burner assemblies is operably coupled to the cooktop. A first frame member is coupled to a first side of the cooktop and defines at least a portion of a sump defined by the cooktop. A second frame member is coupled to a second side of the cooktop and defines at least a portion of the sump defined by the cooktop. A bracket is coupled to the first and second frame members. The bracket extends along a portion of a perimeter of the cooktop between the first and second frame members. The bracket defines at least a portion of the sump defined by the cooktop.

Abstract: Portable grills are disclosed. An example portable grill movable between an erected configuration and a collapsed configuration includes a valve and regulator assembly and a tank blocker. The valve and regulator assembly includes a tank connector configured to removably couple a fuel tank to the valve and regulator assembly. The tank blocker is configured to prevent the portable grill from being moved from the erected configuration into the collapsed configuration when the portable grill is in the erected configuration and the fuel tank is coupled to the tank connector.

Abstract: A burner gun includes a case, an ignition device, a switch and a operational part. By the switch and an operation rail in the case, the ignition device can only be activated by correctly operating the switch and pulling the operational part. The ignition device cannot activated by pulling the operational part if the switch is not correctly operated, so that the ignition device is prevented from being activated unintentionally to reduce possibility of causing fire disasters.

Abstract: The protective cover for an outdoor grill is configured for use with a grill that is further defined with a plurality of stanchions. The protective cover for an outdoor grill is a protective shell placed over the grill. The protective cover for an outdoor grill is configured such that the plurality of stanchions project beyond the space protected by the protective cover for an outdoor grill. The protective cover for an outdoor grill is an elastic structure such that the protective cover for an outdoor grill pulls against the grill when the grill is protected by the protective cover for an outdoor grill. The protective cover for an outdoor grill comprises a plurality of lateral panels, a superior panel, an inferior panel, and a plurality of seams. The plurality of seams assemble the plurality of lateral panels, the superior panel, and the inferior panel.

Abstract: A radio frequency (RF) dryer includes a cuboid structure defining an interior, an RF applicator having an anode and a cathode, the anode having multiple digits extending from an anode trunk and the cathode having multiple digits extending from a cathode trunk and, the cathode encompassing the multiple digits of the anode, and a drying surface on which textiles are supported for drying, located relative to the RF applicator such that the drying surface lies within an e-field generated by the RF applicator.

Abstract: Multiple candle wicks are provided that may be placed into a candle wax (paraffin) body such that the wicks when lit curl in a direction opposite to the curl direction of an adjacent wick, e.g., adjacent ones of each wick curling in an opposite direction relative to a bisecting midplane of the candle. By such oppositely curling wicks when lit, therefore, the wax pool diameter may thereby be increased which in turn increases the amount of liberated scents from the candle body.

Abstract: The rotating charcoal grill comprises a base, a charcoal bowl, a cooking grate, a support shaft, a grate coupler, and a spring. The rotating charcoal grill may be a grill for cooking food over charcoal. The support shaft may support the charcoal bowl at a first height above the base. A motor located in the base may cause a motor shaft to rotate. A height adjustment pin on the motor shaft may cause rotation of the support shaft and the charcoal bowl when the motor shaft rotates. The motor shaft may support the cooking grate at a second height above the base. The difference between the first height and the second height may be adjustable such that the cooking grate may be brought closer to or farther away from the charcoal bowl.

Abstract: A gas combustor includes: a housing, a storage cylinder, a fuel gas controlling device, an igniting device, a safety switch, and a combusting device. The safety switch has a fastening unit and a locking unit abutted against a locking bolt formed on a bottom surface of a press button; the fastening unit has an accommodation chamber allowing the locking unit to be accommodated, and a swing arm having a latching hook and longitudinally disposed at a front end of the accommodation chamber; the locking unit has a main body accommodated in the accommodation chamber, a longitudinal spring is disposed between the main body and the accommodation chamber, and the main body has a push button protruded from a penetrated slot longitudinally formed on a rear wall of the accommodation chamber, and a locking hook protruded towards the latching hook.

Abstract: An apparatus is provided for holding and centering a candle wick in a container. The apparatus according to the invention is characterized in that a fixing apparatus is provided for the candle wick, which can be connected to the container in a detachable in such a way that it can be pivoted relative to the container.

Abstract: A gas burner for a household cooking appliance includes a first mixture-distribution chamber having a plurality of mixture-outlet openings, and a second mixture-distribution chamber separate from the first mixture-distribution chamber. The second mixture-distribution chamber is fluidically connected to the mixture-outlet openings of the first mixture-distribution chamber such that, when the gas burner is in operation, a combustion-gas/primary-air mixture is conducted out from the first mixture-distribution chamber and a combustion-gas/primary-air mixture is conducted out from the second mixture-distribution chamber via the mixture-outlet openings for flame formation.

Abstract: A method and apparatus for combustion of fuel in a combustion chamber with a hydraulic diameter D. Fuel and a primary oxidant are introduced via a burner lance into the combustion chamber, having a certain mean velocity u1 at entry, and a secondary oxidant with a mean velocity of u2 is introduced into the combustion chamber. The burner lance has a position p that has a distance Id1I defined as the smallest distance between p and a combustion chamber centerline.

Abstract: A gas furnace includes a mixing pipe through which a mixture formed by mixing fuel gas and air flows; a burner assembly that generates combustion gas by burning the mixture that passed through the mixing pipe; and a heat exchanger through which the combustion gas flows. In this case, the burner assembly includes a burner in which flame generated when the mixture is burned is seated; and a mixing chamber that mediates delivery of the mixture from the mixing pipe to the burner, thereby significantly reducing NOx emission.

Abstract: A method is provided for controlling a drying cycle of a laundry dryer having a laundry drum and an air stream fan for circulating drying air through said laundry drum. The method includes the steps of: starting a drying cycle (14); performing the drying cycle (16); detecting an electric resistance and/or conductivity of the laundry during the drying cycle (16) for estimating a dryness level of the laundry; comparing the electric resistance and/or conductivity of the laundry with an end cycle condition (20; 28, 30; 36); and finishing the drying cycle (16), if the end cycle condition (20; 28, 30; 36) is fulfilled. The end cycle condition (20; 28, 30; 36) depends on the rotation speed (SD) of the laundry drum and/or on the rotation speed (SF) of the air stream fan.

Abstract: A burner apparatus for burning a gas and air mixture may include a burner wall. The burner wall may have a plurality of ridges and a plurality of grooves. Each groove may be defined between adjacent ridges. Each groove may also include a pair of slopes. Each slope may have an area of permeability having openings defined therein from which flames can project. Each ridge may define an area of reduced permeability relative to the areas of permeability of the slopes.

Abstract: Pellet grills and associated methods of operation are disclosed. An example pellet grill includes a one or more processors configured to detect an improper shutdown of a control system of the pellet grill. The one or more processors are further configured to generate a notification in response to the control system regaining power following detection of the improper shutdown, the notification indicating that the control system was improperly shutdown. The one or more processors are further configured to cause the notification to be presented at a user interface of the pellet grill.

Abstract: A self-cleaning solid fuel grilling device comprises a grilling cavity and a firepot disposed within the grilling cavity. In addition, the embodiment includes an evacuation cavity disposed beneath the firepot. The evacuation cavity is in communication with the grilling cavity.

Abstract: High turndown ratio gaseous fuel burner nozzles and the control thereof are provided. High turndown ratio gaseous fuel burner nozzles include a mechanically adjustable nozzle port, such as in the form of an iris port, for expanded turndown control. A nozzle extension longitudinally extending from the mechanical adjustable nozzle port can be included to assist in shaping the flow of combustible gas from the nozzle port. A laminar flow insert can be housed within the nozzle extension to assist in producing laminar flow of the combustible gas flowing therethrough. A burner nozzle controller in control communication with the mechanically adjustable nozzle port can adjust the size of the nozzle port to selectively maintain exit velocity of the gaseous fuel from the nozzle port for one or more of combustion stability and flame stability.

Abstract: A gas flare for burning waste gas comprises a stack with an upper chimney space, a lower combustion chamber, and a burner having one or more flame outlets positioned in the combustion chamber. A primary combustion air intake of the burner is in fluid communication with an ambient air intake to source primary combustion air therefrom. An airflow control device resides in a position operable to regulate secondary air flow from the ambient air intake to the flame outlet of the burner without obstructing the primary combustion air intake of said burner. The stack features a double hull design to preheat the ambient air as it travels to the burner, and a liquid containment/vaporization chamber is installed below the burner in heat exchange relationship with the preheated airflow path to the burner, whereby the chamber is warmed by the pre-heated combustion air and radiant heat from the combustion chamber.

Abstract: Systems and methods are disclosed that include providing a cooking system that comprises a burner assembly and a heat exchanger, the burner assembly having a high velocity burner configured to provide the necessary high velocity, volumetric flowrate through the heat exchanger having a first fluid circuit having a plurality of compactly-arranged tubes disposed perpendicularly and interstitially to a second fluid circuit having a plurality of compactly-arranged tubes, and the burner assembly also having a low velocity burner configured to significantly reduce and/or substantially eliminate “lift off” that could result from operation of only the high velocity burner.