F23D14/065

Burner and cooking apparatus therewith

An over or grill burner includes a hollow body with a supplying port receiving a gaseous fuel mixture and outlet holes emitting the gaseous fuel mixture, and a conveying duct conveying the gaseous fuel mixture toward the hollow body, which has a delivering port and a supplying/mixing port with a first aperture for a fuel gas and a second aperture for a gaseous combusting product, and a reflector conveying a flame produced by combustion of the fuel mixture from the outlet holes. The supplying port of the hollow body and the delivering port of the conveying duct have a substantially circular cross-section and are connected to each other in a freely rotatable manner.

COMBUSTOR NOZZLE, COMBUSTOR, AND GAS TURBINE INCLUDING THE SAME
20220196242 · 2022-06-23 ·

A nozzle for a combustor burning a hydrogen-containing fuel is provided. The nozzle includes a first tube through which the fuel flows and having a fuel injection hole on a front side to inject the fuel therethrough, a second tube surrounding the first tube and having a premixing injection hole through which the fuel and air are mixed and discharged, and a third tube surrounding the second tube and through which the fuel flows, wherein the second tube includes a plurality of fine injection holes to inject the fuel from the third tube to form fine flames, and the fine injection holes are spaced apart from each other in a circumferential direction of the second tube.

Burner of gas stove

A burner of a gas stove includes a burner body, a partition member, and at least one flame cover. The burner body includes an inlet portion and a base. The inlet portion has at least one inlet passage for injecting gas and air, and the base has at least one mixture passage for mixing the gas and the air. The at least one mixture passage communicates with the at least one inlet passage. The partition member has a plurality of through holes and covers the at least one mixture passage. The at least one flame cover has a plurality of flame holes and covers the partition member. Whereby, the size of the burner of the gas stove could be reduced significantly, and the gas could mix with the air effectively and uniformly.

Combustor nozzle, combustor, and gas turbine including the same
11761633 · 2023-09-19 · ·

A nozzle for a combustor burning a hydrogen-containing fuel is provided. The nozzle includes a first tube through which the fuel flows and having a fuel injection hole on a front side to inject the fuel therethrough, a second tube surrounding the first tube and having a premixing injection hole through which the fuel and air are mixed and discharged, and a third tube surrounding the second tube and through which the fuel flows, wherein the second tube includes a plurality of fine injection holes to inject the fuel from the third tube to form fine flames, and the fine injection holes are spaced apart from each other in a circumferential direction of the second tube.

BURNER AND BOILER-BURNER ASSEMBLY
20230324042 · 2023-10-12 · ·

A burner (1) installable to a furnace (9) for burning an air-fuel mixture and for generating a flame in the furnace (9), said burner (1) comprising a frame member (6) provided with an elongated combustion head (2) protruding from said frame member (6) and being adaptable inside the furnace (9), what in a view from the burner's (1) frame member (6) is a distal end (2a) of said combustion head (2) being adaptable to generate both a main flame (B) and a primary flame (E), said combustion head (2) comprising an outer, larger diameter channel (3) for a mixture (80) of combustion air and fuel, as well as a smaller diameter, inner channel (4), surrounded by said outer channel (3), for primary air (60) as well as for primary gas (70), whereby the inner channel (4) extends from the burner's frame member (6) to the distal end (2a) and comprises an inner tube (4, 41) for primary gas (70) and an outer tube (4; 42) surrounding said inner tube (4; 41), wherein a flow space (4; 43) for primary air (60) is provided between the outer side of the jacket (41a) of said inner tube and the inner side of the jacket of the outer tube, and which combustion head's (2) outer channel (3) extends from the burner's frame member (6) to the combustion head's distal end (2a) and can be provided with a supply of premixed air-fuel mixture (80) from the burner's frame member (6), or from that section of the combustion head (2) which is associated with the frame member and located, in the flowing direction of the premixed air-fuel mixture (80), upstream of a combustion chamber (90), for generating the main flame B).

In said burner the space delimited by the outer wall (31) of the outer channel (3) and the jacket of the outer tube (42) of the inner channel (4) is constructed as a discharge channel (10) extending from the frame member (6) to the distal end (2a) of the combustion head (2), whereby the discharge end (10a) of said discharge channel is veered away from the longitudinal center line (P) of the combustion head (2) so that the center line (10A) of said discharge end (10a), or an extension thereof, forms an inclined angle of incidence (t) with the combustion head's (2) longitudinal center line (P), said angle of incidence (t) being 90-140 degrees as said discharge end (10a<

Multi Injection Dual Ring Gas Burner For Domestic Gas Cooking Units
20230134526 · 2023-05-04 ·

The present disclosure is related to a dual ring gas burner wherein the outer ring includes multipoint injection with bottom breathing and the inner ring works with top breathing. Two flame rings are included along with burner ports on the caps. As a result, better heating distribution is achieved along with greater ease in cleaning and combined simmer functions with high ratings by having the outer ring gas flow not interfering with the inner ring.

System of gas burners, in particular for a cooking top for household use

The present device relates to a system of gas burners, in particular for a cooking top for household use and including a pair of substantially concentric burners. The pair of burners including an outer burner equipped with a first base, a first burner body and a first flame divider, and an inner burner equipped with a second base, a second burner body and a second flame divider. The present device is characterized in that the first base of the outer burner and the second base of the inner burner are made from a metallic sheet that is shaped by deep drawing.

Gas burner and domestic cooking appliance

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.

Cooktop appliance with a gas burner assembly having a thermal break

A cooktop appliance, as provided herein, may include a top panel and a gas burner assembly positioned at the top panel. The gas burner assembly may include an annular burner body, a fuel manifold, and a thermal break. The annular burner body may be positioned at the top panel at a top surface thereof. The annular burner body may define a central combustion zone, a plurality of flame ports at the central combustion zone, and a fuel chamber upstream from the plurality of flame ports. The annular burner body may be open at the central combustion zone such that a circumferentially bounded portion of the top panel is vertically exposed. The fuel manifold may be selectively connected to the annular burner body upstream from the fuel chamber. The thermal break may be formed along the circumferentially bounded portion of the top panel below the plurality of flame ports.

BURNER OF GAS STOVE

A burner of a gas stove includes a burner body, a partition member, and at least one flame cover. The burner body includes a gas conduit and a base. The gas conduit has at least one gas input passage for injecting gas and air, and the base has at least one mixture passage for mixing the gas and the air. The at least one mixture passage communicates with the at least one gas input passage. The partition member has a plurality of through holes and covers the at least one mixture passage. The at least one flame cover provided with a plurality of flame holes covers the partition member. Whereby, the size of the burner of the gas stove is reduced significantly, and the gas can mix with the air effectively and uniformly.