Adjustable burner

Abstract

A burner suppliable with a mixture of air and fuel comprises a body of the burner provided with a diffuser in the surface of which openings are made for the exit of said mixture delivered into the body of the burner, a distributing device inserted inside said body of the burner, said distributing device comprises a regulating element provided with further openings for the transit of said mixture, said regulating element being movable within said body of the burner. The body of the burner can be subdivided into a plurality of sectors, each one of which is independently suppliable by the other sectors.

1 - 48 . (canceled)  
   
   
       49 . A burner suppliable with a mixture of air and fuel, comprising a burner body provided with a diffuser in the surface of which openings are made for the exit of said mixture delivered into the body of the burner, a distributing device inserted inside said body of the burner, said distributing device comprising a distributing element centered inside said burner body, wherein said distributing device further comprises a regulating element interposed between said distributing element and said diffuser, said regulating element being provided with further openings for the transit of said mixture and being movable inside said body of the burner.  
   
   
       50 . The burner according to  claim 49 , wherein said body of the burner has a substantially cylindrical shape and said regulating element has a substantially cylindrical shape and is provided, on its side surface, with said further openings.  
   
   
       51 . The burner according to  claim 49  wherein said regulating element is movable in an axial direction with respect to said body of the burner.  
   
   
       52 . The burner according to  claim 49 , wherein said regulating element is angularly movable with respect to said body of the burner.  
   
   
       53 . The burner according to  claim 49 , wherein said regulating element is associated with a moving device.  
   
   
       54 . The burner according to  claim 51 , wherein said regulating element is connected by means of a plurality of arms to a shaft of a linear actuator.  
   
   
       55 . The burner according to  claim 52 , wherein said regulating element is connected by means of a plurality of arms to a shaft of a rotating actuator.  
   
   
       56 . The burner according to  claim 54 , wherein said linear actuator is driven by a stepping motor.  
   
   
       57 . The burner according to  claim 55 , wherein said rotating actuator is driven by a stepping motor.  
   
   
       58 . The burner, according  claim 50 , wherein said further openings have the shape of slits with a greater side placed in a direction substantially perpendicular to generatrices of said substantially cylindrical regulating element.  
   
   
       59 . The burner, according to  claim 50 , wherein said further openings have the shape of slits with a greater side placed in a direction substantially parallel to generatrices of said substantially cylindrical regulating element.  
   
   
       60 . The burner according to  claim 50 , wherein said substantially cylindrical regulating element is provided with seal elements.  
   
   
       61 . The burner according to  claim 60 , wherein said seal elements comprises seal rings arranged on the side surface of said regulating element.  
   
   
       62 . The burner according to  claim 50 , wherein said regulating element is provided with an anti-stopping element.  
   
   
       63 . The burner according to  claim 62 , wherein said anti-stopping element comprises an opening that extends along a generatrix of said regulating element.  
   
   
       64 . The burner according to  claim 62 , wherein said anti-stopping element comprises a recess of the side surface of said regulating element, said recess extending along a generatrix of said side surface.  
   
   
       65 . The burner according to  claim 62 , wherein said anti-stopping element comprises a joint, which extends along a generatrix of said regulating element and is provided with a recess.  
   
   
       66 . The burner according to  claim 49 , wherein said distributing element is coupled with the body of the burner by means of mechanical interference fit.  
   
   
       67 . The burner according to  claim 66 , wherein the body of the burner comprises an upper projection and a lower projection that protrude inside the body and respectively constitute an upper base and a lower base of the body, said lower projection is provided with a central opening for the passage of a Venturi tube.  
   
   
       68 . The burner according to  claim 67 , wherein said distributing element is coupled mechanically with interference with one of said two lower or upper projections, the other of said two projections acting as a centering element for said distributing element.  
   
   
       69 . A burner suppliable with a mixture of air and fuel, comprising a burner body in the surface of which openings are made for the exit of said mixture delivered into said body, wherein said body is subdivided into a plurality of sectors, each one of which is suppliable independently of the other sectors.  
   
   
       70 . The burner according to  claim 69 , wherein the sectors of said body are supplied independently of one another with said mixture of air and fuel, by respective supply devices.  
   
   
       71 . The burner according to  claim 69 , wherein said body has a substantially cylindrical shape and said sectors each have substantially the shape of a cylindrical sector.  
   
   
       72 . The burner according to  claim 71 , wherein said sectors all have substantially the same angular width.  
   
   
       73 . The burner according to  claim 69 , wherein said body comprises a plurality of sections, each one of which corresponds to a respective sector.  
   
   
       74 . The burner according to  claim 73 , wherein each of said sections is provided with openings for the transit of said mixture of air and fuel.  
   
   
       75 . The burner according to  claim 69 , further comprising a distributing element arranged within said body.  
   
   
       76 . The burner according to  claim 75 , wherein said distributing element has a substantially cylindrical shape and is substantially concentric to said body.  
   
   
       77 . The burner according to  claim 75 , wherein said distributing element comprises a plurality of sections, each one of which corresponds to a respective sector of said body.  
   
   
       78 . The burner according to  claim 77 , wherein each of said sections is provided with openings for the transit of said mixture of air and fuel.  
   
   
       79 . The burner according to  claim 77 , wherein said sections of the body and said sections of the distributing element are fixed to a series of radial baffles, that lead away from a central hollow cylindrical support.  
   
   
       80 . The burner according to  claim 79 , wherein said radial baffles are distributed at a substantially constant angular pitch.  
   
   
       81 . The burner according to  claim 79 , wherein each of said radial baffles is provided at its external end with a groove extending in a direction substantially parallel to a longitudinal axis of said hollow cylindrical support.  
   
   
       82 . The burner according to  claim 81 , wherein each of said sections of said body is provided with edges folded towards the inside of the body, said edges being insertable into said grooves.  
   
   
       83 . The burner according to  claim 79 , wherein each radial baffle is provided on both sides, at a certain distance from its external end, with a pair of fins protruding in a substantially perpendicular direction from the baffle and defining between them a corresponding groove.  
   
   
       84 . The burner according to  claim 83 , wherein said fins and said grooves extend in a direction substantially parallel to the longitudinal axis of the hollow cylindrical support.  
   
   
       85 . The burner according to  claim 83 , wherein said grooves are suitable for receiving an end of a respective section of the distributing element.  
   
   
       86 . The burner according to  claim 79 , wherein each of said sectors is defined by a pair of adjacent radial baffles, by a respective section of the body fixed to said pair of radial baffles and by a respective section of the distributing element also fixed to said pair of radial baffles.  
   
   
       87 . The burner according to  claim 79 , wherein said hollow cylindrical support is provided with groups of openings for the transit of said mixture of air and fuel, each group of openings corresponding to one of said sectors of the body.  
   
   
       88 . The burner according to  claim 87 , wherein said openings have the shape of slits a greater side of which extends in a direction parallel to generatrices of the cylindrical support.  
   
   
       89 . The burner according to  claim 87 , wherein inside said cylindrical support there is inserted a regulating element through which said mixture of air and fuel is delivered into said body, said regulating element being provided with openings for the transit of said mixture.  
   
   
       90 . The burner according to  claim 89 , wherein said regulating element comprises a hollow cylindrical body, in the surface of which said openings are made, said hollow cylindrical body being able to rotate in relation to said hollow cylindrical support.  
   
   
       91 . The burner according to  claim 90 , wherein said openings have the shape of slits, a greater side of which extends in a direction substantially parallel to generatrices of the regulating element.  
   
   
       92 . The burner according to  claim 90 , wherein said openings are arranged in such a way that, depending on the angular position of the regulating element in relation to the hollow cylindrical support, they come to coincide with one or more groups of openings of the cylindrical support.  
   
   
       93 . The burner according to  claim 89 , wherein the angular position of said regulating element in relation to said hollow cylindrical support determines the number of sections of the body that are supplied with said mixture of air and fuel.  
   
   
       94 . The burner according to  claim 89 , wherein the sections of said body are supplied independently of one another with said mixture of air and fuel, by respective supply devices.  
   
   
       95 . The burner according to  claim 94 , wherein said mixture of air and fuel is delivered into each of said sections in a space defined between said hollow cylindrical support, a pair of radial baffles, a respective section of the distributing element and a respective section of the body.  
   
   
       96 . A burner suppliable with a mixture of air and fuel, comprising a burner body provided with a diffuser in the surface of which openings are made for the exit of said mixture delivered into the body of the burner, a distributing element inserted inside said body of the burner, said distributing element being provided with further openings for the transit of said mixture, wherein said distributing element is coupled with the body of the burner by means of a mechanical interference fit.  
   
   
       97 . The burner according to  claim 96 , wherein said body comprises an upper projection and a lower projection that protrude inside the body and respectively constitute an upper base and a lower base of the body, said lower projection is provided with a central opening for the passage of a Venturi tube.  
   
   
       98 . The burner according to  claim 97 , wherein said distributing element is mechanically coupled by means of an interference fit with one of said two lower or upper projections, the other of said two projections acting as an aligning element for said distributing element.