MXPA99009910A - Oven burner for cooking equipment - Google Patents

Abstract

Un quemador de horno para equipos de cocinado, caracterizado por piezas troqueladas en acero laminado de bajo espesor en donde el cuerpo principal se conforma por dos piezas tapa y base en forma de"U"definiéndose en la tapa un pasaje en su contorno que dispone una pluralidad de puertos y en su parte central se definen elementos de una cámara de combustión y un tubo Venturi siendo dichos elementos complementados con la base, la cual copera con la tapa para su formación;y un anillo controlador de aire.

Description

OVEN BURNER FOR COOKING EQUIPMENT BACKGROUND OF THE INVENTION The present invention relates to an oven burner for cooking equipment using L.P. gas. Conventional oven burners for so-called oven cavities in domestic or industrial type cooking equipment are usually made of sections of steel tube sealed at one end with the ports formed by punching punches.

Likewise, the burner does not use a baffle, since the horseshoe shaped shape directs and brings the hot air closer to the inlets of the floor of the oven cavity.

The present invention is characterized in that it comprises a hob burner of pieces punched in laminated steel of low thickness with an upper part called a lid that is where the ports are located that correspond to holes where the flame is formed, these are machined in general by punches.

An object of the invention is to provide an economical and efficient burner that allows the homogeneous distribution of the heat in a furnace cavity so that the food is cooked effectively in the shortest time and with minimum consumption of fuel and also that the food is Cooked completely.

Another object of the invention is to provide a ho burner or one which is assembled in such a way that it can be handled for service and cleaning with ease, since it is fully integrated with the necessary elements to avoid any modification in its operation. of its critical dimensions, that is, when air regulation is necessary, it is accessible to the user without having to disconnect the cooking equipment from the gas line, that is to say dismantle the floor of the oven cavity and remove the burner from the oven. your position DESCRIPTION OF THE INVENTION T - The invention is described below according to the drawings of figures 1 to 4 in order to better illustrate the same where: Fig. 1. Coi responds to an isometric view showing the main sections A and B of the burner for assembly.

Fig. 2. Corresponds to a top view of fig. 1, assembled.

Fig 3. Corresponds to a side view of the assembled burner Fig 4. Corresponds to a rear view of sectioned oven of a cooking equipment where the assembly of the burner is shown. As shown in Figure 1, the homo burner is characterized by being constituted by an ignition tube 10, a front burner support II, a main combustion body 9 fig. 2, conformed by: a burner flap 12, a burner base 13 and an air regulating ring 14. The ignition tube 10 is a duct folded in a "U" shape with an upward angular inclination that allows to carry the gas-air mixture of the front ports 32 of 5 the burner cap 12 to the ignition hole 30 which is located in the front of the floor of the oven cavity 25 of the cooking equipment 33. « The front burner support 1 1 is a rectangular piece bent in steel which at one of its rear ends has a vertical tongue 34 which has a hole that is used to attach the oven burner to the oven frame 19, at the opposite end has a horizontal tab 35 that holds the body of the burner formed by the lid 12 and base 13, this subjection is by welding by Electric arc. The ignition tube 10 is also assembled by welding on the upper part of the front support 11 of the burner. The burner cap 12 is a rectangular casing with one of its rounded ends of rolled steel that is embedded to obtain around it a semi-tubular passage where a plurality of ports 32 are located, in the central part has a section inlay that contributes with the base to shape the camera of combustion 27, and from the rear of said chamber to almost at its rear end of the body of the lid forms the Venturi tube 26 which conducts the gas to said combustion chamber 27.

The base of the burner 13 is a semi-flat plate of less height than the lid and which reciprocally cooperates with the cap to conform to the venturi 26 element and the combustion chamber 27, the coupling between the cap 12 and the base 13 is achieved by an eyebrow 36 formed by a fold assembly projecting into the contour outside of these two pieces, envelopes. f - The air regulating ring 14 is a tubular device made of laminated steel which is attached to the back of the burner, it also serves as a means for directing the supply pipe 16 towards the center of the Venturi pipe 26 and has aeration windows for air control.

Burner Operation: A gas line supplies the fuel to the valve tube 20, the valve 22 is actuated, which is fastened to the valve tube by a screw 21, by an axial rotation in a counter-clockwise direction , allowing the passage of the gas to the supply tube 16. This tube is attached to the valve 22 by means of the nut 24 and the splint 23, these elements prevent leaks; at the opposite end of the supply pipe 16 is the gas outlet and is positioned in a hole in the back of the oven cavity 17 and held by an aluminum nut 15 to prevent movements that decenten the position of gas injection to the burner.

The oven cavity is composed of the backrest 17, the side of oven 18 that occupies the left and right side of the cavity, oven frame 19 constitutes the part front of the cavity through which the food to be cooked is also introduced, closes the cavity in its lower part the floor of oven 25. to maintain the oven burner fixed below the cavity, a fixing screw 28 of the oven frame 19 is used to the front support of the burner 11, in the rear part of the burner the injector element of the supply pipe 16 is inserted.

The supply pipe 16 discharges the gas in the rear part of the air regulation pipe 14 which is also the section with the largest diameter of the Venturi pipe 26, when the gas approaches the section of smaller diameter of the Venturi pipe 26 a change occurs in the the entrance pressure which causes the phenomenon known as "momentum" - this phenomenon causes that through the aeration windows 31 the outside air is introduced and mixed with the gas and led to the combustion chamber 27. the combustion chamber 27 is a cube that is located in the middle part of the burner where s found the mixture of gas and oxygen that provided the air around the aeration windows 31, this chamber stores the mixture and distributes it to the ports 32 that are, in the perimeter part of the burner cover 12.

The oxygen gas mixture is discharged through the front ports of the burner in the lower part of the ignition tube 10 and is conducted through this tube to the ignition hole 30 located in the floor of the furnace cavity. At this point the user places the ignition medium of the burner so that the mixture is burned on the outside of the ports and thus achieve the complete combustion of the gas that is being supplied to the burner.

The burners to achieve complete combustion require a certain amount of oxygen, this amount is not always provided entirely by the aeration windows 32 (primary air) but the oxygen deficiency is eliminated by the air around the gas that is being burned in the burner ports (secondary air). The secondary air is in a pseudo cavity below the furnace cavity 29.

Having described the invention this is considered a novelty and therefore the content is claimed in the following:

Claims (1)

1. R E I V I N D I C A C I O N S An oven burner for cooking equipment, which comprises: an ignition tube; a front burner support; a main combustion body based on an enclosing cover and a burner base; and an air regulation ring; characterized in that the main combustion body has a cover that is an elongated piece, stamped and embedded in its periphery to form a semitubular passage with a plurality of ports in its periphery, while in its central part it has a chamber combustion that ends at its rear end with a tubular Venturi element which projects almost to the end where the semitubular passage tends; and a semi-flat base of less height than the lid, which cooperates reciprocally to form the combustion chamber and the Venturi tube, and which, when assembled, form a single unit. The furnace burner of clause 1, characterized in that the semi-tubular passage in the form of a "U" has on its outer side faces a plurality of ports which are holes distributed equidistantly in its outline. The furnace burner of clause 1, characterized in that the ignition tube is a laminated conduit bent in a "U" shape arranged in an upward angular inclination that allows the gas-air mixture to be carried from the ports to the burner cap and to the ignition hole provided in the front of the floor of the ho cavity. The furnace burner of clause 1, characterized in that the front support of the burner is a rectangular laminated piece bent and at one end has a vertical tongue with a hole for fastening by bolting to the frame of the oven and at its opposite end It has a horizontal tongue to hold the body of the burner. The furnace burner of clause 1, characterized in that the regulating ring is a tubular device that has at its front end one or more vents for the controlled air intake and this is coupled to the back of the burner at the inlet of the tube Venturi. the furnace burner of clause 1, characterized in that the base of the burner is a semi-flat plate in its outline and rounded at its upper end and also has an eyebrow formed by fold for its assembly in the lid E T A C T O A furnace burner for cooking equipment, characterized by pieces made of laminated steel of low thickness, where the main body is formed by two pieces of cover and base in the shape of a "U", defining on the cover a passage in its conto or having a plurality of ports and in its central part elements of a combustion chamber and a Venturi tube are defined, said elements being complemented with the base, which cores with the cover for its formation; and an air controller ring.