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.

A combination microwave and cooktop has a transparent lid that is movable between a closed position where the lid overlays burners and an open position that exposes the burners. The microwave is located inside an enclosure that affixes the microwave through apertures in a bottom wall of the enclosure. A front trim bezel surrounds the front of the microwave and is affixed to the enclosure. Airflow for ventilation around the microwave is accomplished through vents in the rear wall of the enclosure and apertures in a top portion of the front trim bezel.

A gas cooktop includes a gas burner and a grate for supporting cookware above the gas burner. The grate includes a removable insert having an upper surface and a lower surface and a plurality of tines for supporting the removable insert. When the lower surface of the removable insert is contacting the plurality of tines, the grate supports flat-bottomed cookware on the removable insert at a first height above the gas burner. When the upper surface of the removable insert is contacting the plurality of tines, the grate supports flat-bottomed cookware on the removable insert at a second height above the gas burner, the second height being greater than the first height. When the removable insert is not contacting with the plurality of tines, the grate supports round-bottomed cookware on the plurality of tines.

A burner assembly includes a spreader, a burner base, and at least one annular burner cap. The spreader has a bottom and a combustion chamber that is defined by a crenellated wall wherein a plurality of fuel exit portions defines the crenellated wall. The burner base includes a peripheral wall. The at least one annular burner cap is coupled to the peripheral wall of the burner base and is positioned on the crenellated wall.

A firebox is provided for use in a gas fireplace, the firebox comprising: a back which includes at least one combustion fan aperture, an upper end and a lower end and a length therebetween, a pair of sides, each side including an upper end, a lower end, a first riser which has an inner section and an outer section, the inner section attached to the back, a first flange, which is parallel to the back and extends outward from the back, and a second riser, wherein the outer section of the first riser, the first flange and the second riser extend above the upper end of the back and below the lower end of the back; a top which is attached to the inner section of the first risers and to the back at the upper end; and a base which is attached to the inner section of the first risers and to the back above the combustion fan aperture, to define an opening. The fireplace is also provided.

A firebox is provided for use in a gas fireplace, the firebox comprising: a back which includes at least one combustion fan aperture, an upper end and a lower end and a length therebetween, a pair of sides, each side including an upper end, a lower end, a first riser which has an inner section and an outer section, the inner section attached to the back, a first flange, which is parallel to the back and extends outward from the back, and a second riser, wherein the outer section of the first riser, the first flange and the second riser extend above the upper end of the back and below the lower end of the back; a top which is attached to the inner section of the first risers and to the back at the upper end; and a base which is attached to the inner section of the first risers and to the back above the combustion fan aperture, to define an opening. The fireplace is also provided.

A linear fireplace system, assemblies, modular units, and related methods that can be installed in a modular fashion at a selected installation location so as to avoid drawbacks experienced in the prior art. The system can include modular linear units, corner units, and/or end units interconnectable to form a modular linear fireplace assembly. The system can include an alignment track system with a track member that receives alignment rails on the bottom of the modular units to axially align the interconnected units. The system can include a combustion air flow passage within the fireplace that maintains a relatively low exterior temperature of the assembly and that allows combustible and non-combustible building materials to be installed against or immediately adjacent to the top and base portions of the modular units of the assembly.

A linear fireplace system, assemblies, modular units, and related methods that can be installed in a modular fashion at a selected installation location so as to avoid drawbacks experienced in the prior art. The system can include modular linear units, corner units, and/or end units interconnectable to form a modular linear fireplace assembly. The system can include an alignment track system with a track member that receives alignment rails on the bottom of the modular units to axially align the interconnected units. The system can include a combustion air flow passage within the fireplace that maintains a relatively low exterior temperature of the assembly and that allows combustible and non-combustible building materials to be installed against or immediately adjacent to the top and base portions of the modular units of the assembly.

An outdoor, free standing area heater comprises a vertically extending housing defining an interior and a heat producing source for producing a flame that heats air and at least one glass tube directing at least a portion of the heated air upwardly inside the housing. An upper hood is located above the housing at a position for the heated air conducted by the at least one glass tube to impinge on the upper hood, the upper hood being shaped to redirect the heated air in a direction away from the housing and in a general downward direction from the upper hood. The glass tube is substantially surrounded by side panels that are provided with a plurality of cutouts in a wall defining each of said side panels, wherein the cutouts leave a percentage closure of the wall in the range from 1 to 65 percent.

The present invention provides an oven including an oven body with an exhaust port and a heat transfer assembly, disposed at a side of the oven body, that includes a top plate and a bottom plate connected by two side plates, and a sealing plate to form an air passage therebetween. The air passage has a first opening near the sealing plate and a second opening away from the sealing plate. The first opening communicates with the exhaust port of the oven body, and the second opening opens to the external of the heat transfer assembly which is arranged so the hot air from the exhaust port may enter the interior of the heat transfer assembly so that the heat energy of the hot air can be absorbed by the top plate and then conducted to the food materials on the top plate to be reused.