EP4265963A1 - Heating apparatus, burner device, and method of construction - Google Patents
Heating apparatus, burner device, and method of construction Download PDFInfo
- Publication number
- EP4265963A1 EP4265963A1 EP23169042.1A EP23169042A EP4265963A1 EP 4265963 A1 EP4265963 A1 EP 4265963A1 EP 23169042 A EP23169042 A EP 23169042A EP 4265963 A1 EP4265963 A1 EP 4265963A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- tubular material
- section
- inlet pipe
- pistol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 16
- 238000010438 heat treatment Methods 0.000 title claims description 9
- 238000010276 construction Methods 0.000 title description 5
- 239000000463 material Substances 0.000 claims abstract description 77
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000003698 laser cutting Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 210000002105 tongue Anatomy 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/045—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with a plurality of burner bars assembled together, e.g. in a grid-like arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/002—Stoves
- F24C3/006—Stoves simulating flames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/082—Arrangement or mounting of burners on stoves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
- F23D2900/21004—Burners specially adapted for a particular use for use in gas fed fireplaces
Definitions
- the present invention relates to a heating apparatus more specifically to a gas burner device for burning flammable gas such as natural gas or liquefied petroleum gas.
- the present invention also relates to a method of manufacture of the gas burner device, having a bottom burner and at least one pistol burner.
- space heaters for heating rooms or outdoor spaces in domestic and commercial properties.
- space heaters have been fuelled by burning fossil fuels such as natural gas or liquefied petroleum gas. It is desirable that space heaters have a pleasing aesthetic property and may have visible flames it may be desirable to provide gas fuelled space heaters which have the appearance of burning alternative fuel such as wood or coal.
- the present disclosure is concerned with providing a gas burner device also known as a pistol burner which is simple to manufacture and service, and provides a method of manufacturing pistol burners of a variety of shape and configurations so as to provide a desired aesthetic design.
- the present invention seeks to overcome or at least mitigate the problems of the prior art.
- a first aspect of the present invention provides a burner for burning gaseous fuel comprising a first, bottom, burner and at least one upper, pistol, burner wherein the first, bottom, burner and at least one upper, pistol, burner are formed from a unitary tubular material and are coupled to each other by at least one fold in the tubular material.
- the at least one upper, pistol, burner comprises an upright section coupled to an end of the first, bottom, burner by a fold in the tubular material.
- the burner comprises an upper, pistol, burner coupled to each end of the first, bottom, burner, each upper, pistol, burner having an upright section, the upright section coupled to a respective end of the first, bottom, burner by a fold in the tubular material.
- the burner comprises a single venturi for mixing air with combustion gas and supplying the same to the first, bottom, burner and the at least one upper, pistol, burner.
- At least one of the first, bottom, burner and the at least one upper, pistol, burner comprises an end cap at an end of the tubular material and coupled to thereto by at least one fold.
- the burner further comprises an inlet pipe, the inlet pipe welded to the tubular material forming the first, bottom, burner.
- the inlet pipe comprises a tab projecting from an end thereof, and the tubular material forming the first, bottom, burner comprises an alignment opening in which the tab is received, the tab and the alignment opening forming an alignment device for aligning an open end of the inlet pipe with an inlet opening in the tubular material forming the first, bottom, burner.
- the inlet pipe comprises a pair of tabs and the tubular material forming the first, bottom, burner comprises a pair of alignment openings each of the pair of alignment openings receives a respective one of the pair of tabs.
- the burner further comprises an inlet pipe, the inlet pipe coupled to an end of the first, bottom, burner by a fold in the tubular material.
- the inlet pipe comprises air inlet opening cut into a wall thereof, and wherein a plate is mounted to said wall, the plate being adjustable between a first closed position in which the plate covers the air inlet opening and a second open position in which the plate is withdrawn from covering any of the air inlet opening.
- the inlet pipe is formed from a section of tubular material similar to that which the burner is formed from.
- the tubular material is a box section having a square or rectangular cross-sectional shape.
- the plate is securable in a desired position between the first closed position and the second open position to control the flow of air into the inlet pipe.
- the burner comprises a single ignition source for igniting combustion gas vented from the first, bottom, burner and the at least one upper, pistol, burner.
- a second aspect of the present invention provides a heating apparatus comprising the burner of disclosed herein.
- the heating apparatus comprises a platform to which the burner is mounted, and wherein the platform comprises at least one electrical light source mounted thereto for illuminating the burner.
- a third aspect of the present invention provides a burner for burning gaseous fuel comprising a first, bottom, burner and at least one upper, pistol, burner wherein the first, bottom, burner and at least one upper, pistol, burner are formed from a unitary tubular material and comprises an upright section coupled to a second section by a fold in the tubular material.
- the second section is inclined with respect to the upright section.
- a fourth aspect of the present invention provides a component for forming a burner for burning gaseous fuel comprising a tubular material having at least one cutaway defining a recess to provide a foldable region between a first section of the tubular material and a second adjacent section integral with the first section.
- a fifth aspect of the present invention provides a gaseous fuel burner comprising a tubular material including a first section coupled to a second section by a fold in the tubular material.
- the first section is a bottom burner and the second section is an end cap.
- the first section is a bottom burner and the second section is a portion of a pistol burner.
- the first section is a bottom burner and the second section is an inlet pipe to which a venturi in mounted.
- the first section is a first portion of a bottom burner and the second section is second portion of a bottom burner non-linearly disposed with respect to the first portion.
- the tubular material comprises a plurality of walls, and wherein the fold is defined in one of the plurality of walls by a cut away portion defined in the other ones of the plurality of walls.
- a sixth aspect of the present invention provides a method of constructing a burner for burning gaseous fuel comprising:
- cutting a recess in the tubular material comprises laser cutting the tubular material to remove a portion of the walls forming the tubular material.
- the method further comprises cutting one or more openings in the tubular material to provide vents for escape of combustion gas from within the tubular material.
- the method further comprises cutting inlet opening in the tubular material and at least one an alignment opening adjacent thereto, the alignment opening configured to receive a tab of an inlet pipe and arranged to align the inlet opening in the tubular material with an open end of the inlet pipe.
- the method further comprises inserting a tab of an inlet pipe into the at least one alignment opening.
- the method further comprises welding the inlet pipe to the tubular material.
- a seventh aspect of the present invention provides a pistol burner for burning gaseous fuel comprising being formed from a unitary tubular material and comprising an upright section coupled to a second section by a fold in the tubular material.
- the second section is inclined with respect to the upright section.
- a feature, or combination of features, of an embodiment disclosed herein may be extracted in isolation from other features of that embodiment.
- a feature, or combination of features, of an embodiment may be omitted from that embodiment.
- the device 10 for use in a space heater 90 such as that shown in Figure 1C .
- the device 10 comprises a lower burner and an upper burner, the upper burner takes the form of a pistol burner, for use burning a flammable gas, such as natural gas or liquefied petroleum gas.
- the device 10 comprises a tubular structure folded to provide a multilevel burner.
- a first, lower, level 14, forming the bottom or lower burner, comprises openings 16 or through holes between an interior of the tubular structure and the exterior of the tubular structure.
- the openings 16 are provided in an upper surface or panel T of the tubular structure.
- the openings 16 in the illustrated embodiment take the form of slots, however in other embodiments other shapes may be employed depending upon a desired aesthetic quality of the flame such as but not limited to shape or height.
- the device 10 comprises a generally vertical or upright section 18, 20 at each end of the first, lower, level 14.
- Each upright section 18, 20 is hingedly or foldable connected to the first lower level 14 portion.
- a portion of the joint between first lower level 14 portion and the one of the upright sections 18, 20 is welded.
- a portion of the joint between first, lower, level 14 portion and the one of the upright sections 18, 20 is folded, no welding is required, such that first lower level 14 portion and said one of the upright sections 18, 20 are integral or unitary.
- a second, upper, level 22, 24 is connected to each of the upright sections 18, 20, in the illustrated embodiment the second, upper, levels 22, 24 are folded, inwardly towards each other, to be disposed over the first, lower level 14, each upright section 18, 20 and its associated second, upper, level 22, 24 forms a pistol burner.
- Each pistol burner is integral or unitary with the bottom burner.
- one or both of the second, upper, levels 22, 24 may be folded outwardly.
- the second, upper, level 22, 24 are disposed at an inclined angle with respect to the first, lower, level 14.
- one or both of the second, upper, levels 22, 24 may be parallel to the first, lower, level 14, and may be generally horizontal.
- the device 10 comprises an inlet pipe 30, the inlet pipe may be formed from a tubular section and welded to a lower surface or panel of portion of the tubular structure forming the first, lower, level 14 or bottom burner.
- the inlet pipe 30 may be formed from a tubular section or pipe configured to mate with an upstream component such as but not limited to a venturi 40 (see Figure 1C ).
- the venturi 40 comprises a narrowing and/or a widening of the pipe carrying the gaseous fuel to the burner 10.
- the venturi 40 comprises at least one opening and provides for mixing of the fuel gas with atmospheric air, specifically oxygen with the gaseous fuel, the gas/air mix is carried to the burner 10 and escapes through the openings 16, 26 in the burner 10.
- An air inlet A4 (shown in Figures 14 , 15A, and 15B ) is provided in the inlet pipe 30 proximate to the venturi 40.
- An ignition source as shown in Figure 14 , may be provided to ignite the gas/air mix exiting the openings 16, 26 in the burner 10.
- the ignition source may be a conventional ignitor such as a piezoelectric spark igniter, standing pilot ignition system, match, taper, flint or torch striker, or other suitable automatic or manual ignition.
- the venturi 40 is in gaseous or fluidic communication with a valve 50 which in turn is in gaseous or fluidic communication with a fuel gas supply or store GS.
- a fuel gas supply or store GS a fuel gas supply or store GS.
- the fuel is gaseous when present in the burner 10, but may be liquid, under pressure, in a storage container.
- the device 10 is formed from a tubular material, Figure 3A shows a box section 12, the box section may be formed from mild steel, stainless steel or other suitable metallic or non-metallic material.
- the box section 12 comprises hinges or foldable regions F1, F2, F3 in which a portion of the box section 12 is removed.
- portions of three of the four sides or panels 1, 2, 3, 4 of the box section 12 are removed.
- Triangular or "V" shaped portions are removed from a pair of opposing sides 2, 4 of the box section 12.
- a square or rectangular portion of a third one 3 of the sides or panels disposed between the pair of opposing sides 2, 4 and connecting the triangular portions is removed from the third side or panel 3.
- the triangular section removed from the pair of opposing sides 2, 4 may be an isosceles triangle such that edges of a side panel 2, 4 on each side of the hinge or fold F2, F3 are equal in length.
- the apex angel ⁇ the angle between the sides of equal length, of the isosceles triangle defines the degree or extent to which the box section 12 is folded and hence the angle between portions of the box section 12 on each side of the fold.
- an apex angle of 90° creates a pair of adjacent box sections 12 disposed perpendicularly to each other.
- a tubular material 112 as shown in the second illustrated embodiment of Figure 3B , having an alternative, circular, cross section is employed.
- Figure 3B shows a cylindrical pipe in which a substantial portion has been removed to create a hinge or fold F4.
- alternative cross-sectionally shaped tubing may be employed, for example hexagonal or octagonal however other polygonal shapes may be employed, in such embodiments the end caps may be formed separately from the tubular material forming the burner.
- Square or rectangular box section 12 may be advantageous in that an end cap EC may be hingedly or foldable connected, by a foldable connection F1, to each end thereof.
- Figures 5A, 5B show embodiments of the burner device 10 in which decorative scenery items L have been mounted to the burner device 10.
- the decorative scenery items L may have the appearance of a traditional fossil fuel such as, but not limited to, a log.
- the decorative scenery items L may be formed from a ceramic material or other suitable material as is known the art.
- the decorative scenery items L may be moulded to take a desired shape so as to appear to be a combustion fuel used in traditional space heaters.
- the decorative scenery items L is arranged to generally conceal or hide from view portions of the burner device 10.
- the decorative scenery items L may comprise cutaways or apertures to control or facilitate air flow to the burner device 10 particularly in the regions of the openings 16, 26 in order to efficiently burn the gaseous fuel delivered to the burner device 10.
- the burner device 10 and decorative scenery items L are configured to give the impression of a traditional log fire, the airflow and fuel delivery is controlled to produce flames which appear to be produced by burning of the decorative scenery items L.
- Figure 4 shows a blank 212, according to an alternative embodiment, formed from sheet material for forming a tubular structure
- the blank 212 comprises panels 201, 202, 203, 204 foldable connected to each other in series by longitudinal folds LF1, LF2, LF3. Cut outs CT1, CT2, CT3, CT4 in the side and top panel 202, 204, 203 are arranged to define transverse folds F1, F2, F3.
- the tubular structure can be formed by folding the blank about longitudinal folds LF1, LF2, LF3 and welding first side panel 202 to top panel 203.
- the tubular structure can be further assembled into a burner by folding the tubular structure about transverse folds F1, F2, F3 in the base panel 201 and welding adjacent tubular sections 14, 18, 22 to each other about the opposed side panel 202, 204 and top panel 203.
- Figure 7A and 5C illustrate a third embodiment of the present disclosure in which additional opening 16 have been added to the first lower level 314, opening 16 are provided substantially below each of the second upper levels in vertical registry therewith.
- decorative scenery items L have been mounted to the burner device 310.
- Figure 6A and 6B show top and bottom views of an intermediate component for forming a two-tier burner device 410 as shown in Figure 6C .
- the upper tiers are arranged to be disposed at a non-zero angle, optionally an oblique angle, with respect to a tubular axis of the first lower tier 414.
- additional sections RS1 of the tubular section 412 are removed and define folds in each of the opposed side walls.
- a first one of the upper levels 422 is hingedly or foldably connected to a first one of the opposed side walls of the tubular section 412.
- a second one of the upper levels 424 is hingedly or foldably connected to a second one of the opposed side walls of the tubular section 412.
- Figure 6B shows an aperture A1 in the bottom wall of the tubular section 412 to which an inlet pipe is attached in a setup burner 410.
- the aperture A1 being aligned with an open end of the inlet pipe.
- FIGs 8A and 8B are views from above of a single tier burner 510 configured to be nonlinear along its length, the intermediate component (not shown) is provided with folds in the side wall similar to that of the embodiment shown in Figure 6A .
- the burner 510 comprises a medial section 514 and opposed end sections 514C, 514E coupled thereto by intermediate section 514C, 514E.
- the intermediate and end sections 514C, 514E, 514C, 514E comprise opening in each of the opposed side walls.
- each of the end sections 514C, 514E may comprise an additional opening 516' in the top wall of the tubular section proximate the end cap.
- decorative scenery items L have been mounted to the burner device 510.
- Figure 9A shows a further embodiment in which the burner 610 in nonlinear and comprises a plurality of folds.
- Figure 9B shows an exemplary embodiment in which a plurality of additional branches or pistol burners B1, B2, B3, B4 have been added to the burner device substantially as shown in Figure 7A . It will be appreciated that one or more of the additional branches B1, B2, B3, B4 may be omitted or substituted for a branch B1, B2, B3, B4 of an alternative design.
- the branches B1, B2, B3, B4 are configured from tubular box section material and may be arranged with folds configured and arranged in substantially similar manner to those described herein and illustrated.
- Figure 10 shows a blank 812 according to a ninth embodiment in which a tubular box section has been pre-cut with foldable regions by removing sections thereof as described and illustrated herein.
- the blank 812 comprises additional branches B5, B6 which have been welded to the tubular box section in a similar manner to the inlet pipe, apertures (not shown) are cut into the side walls of the tubular box section at the location where the branches B5, B6 are attached to allow fluid (gas) flow between the main body of the burner and the branches B5, B6.
- one of the branches B5 in linear and the other branch B6 is non-linearly configured with a foldable section welded into position.
- Each of the branches B5, B6 comprises an end cap folded and welded in position.
- Figure 11A shows yet another embodiment in which the lower tier 914 of the burner 910 comprises downwardly folded section 914F, 914G at each end thereof, and alternative corner arrangements between the downwardly extending sections 914F, 914G and the upright sections 918, 920 coupling the upper second tiers 922, 924 thereto.
- openings 926' are provided in the bottom wall of the tubular box section rather than in the top or side walls. Additional opening 926" are provided in the side walls of the upright sections 918, 920.
- Figure 11B shows an eleventh embodiment of the present disclosure in which the inlet pipe 1030 is integral with the burner 1010 and is folded and welded in position by cutting and removing a section of the tubular box section to define the fold in a top wall thereof.
- Figures 12A and 13a show embodiments of a single tier burner 1110, 1210
- Figures 12B, 12C, 12D show top, side, and bottom views respectively of a blank 1112 for forming the burner 1110 of Figure 12A
- Figures 13B , 123, 123 show top, side, and bottom views respectively of a blank 1312 for forming the burner 1310 of Figure 13A .
- the burner 1110 is symmetrically arranged about the inlet pipe 1130, the inlet pipe 1130 being formed from a separate piece of tubular box section welded to a lower panel of the burner 1110.
- Figure 12E shows a mesh panel M
- the mesh panel M is insert into the tubular box section before closing the end caps and is secured in position.
- the mesh covers the openings 16 and may prevent or inhibit blow back.
- the mesh M may be attached to an exterior surface of the tubular box section to cover the openings 16.
- the mesh M may be inserted into the openings 16 to be substantially coplanar with wall in which the opening 16 is formed.
- the burner 1110 is asymmetrically arranged with respect to the inlet pipe 1130, the inlet pipe 1130 is integral with the tubular box section of the burner 1110 and is folded and welded in position.
- Figure 14 shows another embodiment according to the present disclosure and shows a burner device 1310 having a bottom or lower burner 1314 and a pair of upper or pistol burners 1322, 1324 integral or unitary with the bottom or lower burner 1314.
- Figure 14 shows an ignition system IS configured to ignite the fuel/air gaseous mix exiting openings 1316 in the bottom burner 1314.
- Figure 14 also illustrates a portion of the venturi 40, the venturi is formed in part from the inlet pipe 1330, an aperture A4 (best shown in Figure 15A ) is provided in one of the panels of the box section forming the inlet pipe 1330.
- a pair of mounting holes A3 are provided in said one of the panels of the box section for mounting a venturi plate V, shown in Figures 15a and 15B .
- the venturi plate V is mounted to the panel of the box section in which the aperture A4 is provided.
- the venturi plate comprises at least one slot SL, the illustrated embodiment comprises a pair of slots SL, for adjustably mounting the venturi plate V to the inlet pipe 30.
- the venturi plate V can be slidably moved over a range defined by the slots SL to adjust the extent to which the venturi plate V closes or obscures the aperture A4. In this way the amount of air drawn into the inlet pipe 30 can be adjusted.
- the venturi plate is mounted to the inlet pipe 30 by suitable fixing elements SC such as screw or bolts and can be secured in a desired position with respect to the aperture A4.
- a lower end of the inlet pipe may comprise a reducer or adapter (not shown) to enable the inlet pipe 30 to be affixed or connected to a valve by conventional gas piping, tube or conduit.
- the reducer or adapter may be disposed proximate to the aperture A4.
- An upper end of the inlet pipe 30 may comprise at least one tabor tongue, the illustrated embodiment comprises a pair of tabs or tongues TG.
- the tabs TG are configured to mate in apertures A2 provided in the base panel of the lower burner 1314; apertures A2 are best shown in Figure 12D .
- the apertures A2 and tabs TG provide an alignment device for alignment of the inlet pipe 30 with the bottom burner 14 and the particularly the open end of the inlet pipe 30 with the gas inlet aperture A1 in the base panel of the bottom burner 14, and may facilitate assembly or mounting of the inlet pipe 30 to the bottom burner 14 of the various embodiments of the present invention.
- the present disclosure provides a space heater; gas stove, gas fire, multisided glass cassette type fire and outdoor gas heater constructed which creates the effect of angled flames and an under burner comprising a single metal part, a single venturi, single tubing and injector producing the combustion through multi gas burners within a combustion box.
- the gas mix is initially vented through the single venturi then to the one-piece box section or tube pistol burner through the slots in the top housing base then further onto the angled pistols.
- the slots can be configured in a way to dissipate the gasses vented as flat, high ends or high middle flame image. Pistols can be added to the burner to produce an added effect without adding a separate gas housing compartment.
- the venturi may have a dual functioning venturi ring or plate added which can be altered to the desired gas requirement, relevant to the specific gas type and / or requirements or regulation in territory or country of deployment.
- the shape of the venturi can differ, from round, square or rectangular.
- the burner may comprise any length of bottom/lower burner, any length of pistols/upper burner and configured at any angle requirement to suit a multitude of different sized appliances.
- the present disclosure also provides a gas burner having a single piece burner construction.
- the gas burner may be constructed from a fine laser cut box section or tube of any size.
- the box section or tube can be laser cut in one piece, as shown in the Figures, creating a single, unitary, piece that can be folded, by hand or machine, to a predetermined angle, defined by cuts in the box section or tube. This method is advantageous for creating consistency in the product created.
- the sections are joined together and welded to form an airtight construction at the folds.
- the present disclosure also provides a gas burner having fine laser cut slots at predetermined positions. This is advantageous in that it provides a multitude of options for allowing the gas to escape at different positions throughout the burner.
- the tubular sections of the pistol burners and the tubular section of the base or lower burner can have openings along some or all its respective length to allow gas to escape at various, or numerous, positions therealong, to create a desired flame pattern.
- the flame pattern may be limited to a central or end portion of the respective burner; in other embodiments; the flame pattern may extend along the entire length of the respective burner.
- the bottom burner slots can be spaced out to create the illusion of fire burning at different combustion rates. Allowing ceramic logs to be spaced in a much wider appliance.
- the burner can be placed in a gas stove, cassette (built in the wall) free standing appliance or double-sided appliance.
- the present disclosure is advantageous over the prior art in that it eliminates the need for a multitude of fittings to be employed from the gas valve to the burner.
- Conventional pistol burners have many tubes connecting the gas from the valve to the burner.
- the present disclosure provides a single tube from the valve outlet to the venturi which mixes the gas with air for combustion for the single construction, advantageously omitting all the extra fittings required for a pistol burner in a conventional system.
- a single venturi is provided for mixing air with gaseous fuel for the bottom or lower burner and each or any pistol burner integrally formed therewith.
- a further advantage of the present inventions is that significantly less material is used in the construction of the burner, thus making it more environmentally friendly and reducing the pressures on the steel industry.
- the burner unit may be connected or coupled to either a manual valve or remote valve as desired.
- a lower log carrier tray (a platform form P, see Figure 1C , which the burner 30 extends or is mounted) may remain cooler than that in a conventional design.
- the lower burner 14 may be spaced apart from the platform P, and suspended thereabove. This may allow the addition of additional features to the space heater apparatus such as, but not limited to, providing a location to mount lights such as multi-coloured LED's to the underbed of the unit.
- stove As used herein the terms stove, fireplace, log burner, and fire refer to an apparatus which has an appearance typically associated with a heat source.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
- The present invention relates to a heating apparatus more specifically to a gas burner device for burning flammable gas such as natural gas or liquefied petroleum gas. The present invention also relates to a method of manufacture of the gas burner device, having a bottom burner and at least one pistol burner.
- It is well known to provide a space heater for heating rooms or outdoor spaces in domestic and commercial properties. Traditionally such space heaters have been fuelled by burning fossil fuels such as natural gas or liquefied petroleum gas. It is desirable that space heaters have a pleasing aesthetic property and may have visible flames it may be desirable to provide gas fuelled space heaters which have the appearance of burning alternative fuel such as wood or coal.
- The present disclosure is concerned with providing a gas burner device also known as a pistol burner which is simple to manufacture and service, and provides a method of manufacturing pistol burners of a variety of shape and configurations so as to provide a desired aesthetic design.
- The present invention seeks to overcome or at least mitigate the problems of the prior art.
- A first aspect of the present invention provides a burner for burning gaseous fuel comprising a first, bottom, burner and at least one upper, pistol, burner wherein the first, bottom, burner and at least one upper, pistol, burner are formed from a unitary tubular material and are coupled to each other by at least one fold in the tubular material.
- Optionally, the at least one upper, pistol, burner comprises an upright section coupled to an end of the first, bottom, burner by a fold in the tubular material.
- Optionally, the burner comprises an upper, pistol, burner coupled to each end of the first, bottom, burner, each upper, pistol, burner having an upright section, the upright section coupled to a respective end of the first, bottom, burner by a fold in the tubular material.
- Optionally, the burner comprises a single venturi for mixing air with combustion gas and supplying the same to the first, bottom, burner and the at least one upper, pistol, burner.
- Optionally, at least one of the first, bottom, burner and the at least one upper, pistol, burner comprises an end cap at an end of the tubular material and coupled to thereto by at least one fold.
- Optionally, the burner further comprises an inlet pipe, the inlet pipe welded to the tubular material forming the first, bottom, burner.
- Optionally, the inlet pipe comprises a tab projecting from an end thereof, and the tubular material forming the first, bottom, burner comprises an alignment opening in which the tab is received, the tab and the alignment opening forming an alignment device for aligning an open end of the inlet pipe with an inlet opening in the tubular material forming the first, bottom, burner.
- Optionally, the inlet pipe comprises a pair of tabs and the tubular material forming the first, bottom, burner comprises a pair of alignment openings each of the pair of alignment openings receives a respective one of the pair of tabs.
- Optionally, the burner further comprises an inlet pipe, the inlet pipe coupled to an end of the first, bottom, burner by a fold in the tubular material.
- Optionally, the inlet pipe comprises air inlet opening cut into a wall thereof, and wherein a plate is mounted to said wall, the plate being adjustable between a first closed position in which the plate covers the air inlet opening and a second open position in which the plate is withdrawn from covering any of the air inlet opening.
- Optionally, the inlet pipe is formed from a section of tubular material similar to that which the burner is formed from.
- Optionally, the tubular material is a box section having a square or rectangular cross-sectional shape.
- Optionally, the plate is securable in a desired position between the first closed position and the second open position to control the flow of air into the inlet pipe.
- Optionally, the burner comprises a single ignition source for igniting combustion gas vented from the first, bottom, burner and the at least one upper, pistol, burner.
- A second aspect of the present invention provides a heating apparatus comprising the burner of disclosed herein.
- Optionally, the heating apparatus comprises a platform to which the burner is mounted, and wherein the platform comprises at least one electrical light source mounted thereto for illuminating the burner.
- A third aspect of the present invention provides a burner for burning gaseous fuel comprising a first, bottom, burner and at least one upper, pistol, burner wherein the first, bottom, burner and at least one upper, pistol, burner are formed from a unitary tubular material and comprises an upright section coupled to a second section by a fold in the tubular material.
- Optionally, the second section is inclined with respect to the upright section.
- A fourth aspect of the present invention provides a component for forming a burner for burning gaseous fuel comprising a tubular material having at least one cutaway defining a recess to provide a foldable region between a first section of the tubular material and a second adjacent section integral with the first section.
- A fifth aspect of the present invention provides a gaseous fuel burner comprising a tubular material including a first section coupled to a second section by a fold in the tubular material.
- Optionally, the first section is a bottom burner and the second section is an end cap.
- Optionally, the first section is a bottom burner and the second section is a portion of a pistol burner.
- Optionally, the first section is a bottom burner and the second section is an inlet pipe to which a venturi in mounted.
- Optionally, the first section is a first portion of a bottom burner and the second section is second portion of a bottom burner non-linearly disposed with respect to the first portion.
- Optionally, the tubular material comprises a plurality of walls, and wherein the fold is defined in one of the plurality of walls by a cut away portion defined in the other ones of the plurality of walls.
- A sixth aspect of the present invention provides a method of constructing a burner for burning gaseous fuel comprising:
- providing a tubular material,
- cutting a recess in the tubular material to define a foldable region between adjacently disposed first and second sections of the tubular material;
- folding the first section of the tubular material with respect to the second section of the tubular material to form a joint therebetween;
- welding at least a portion of walls forming the tubular material of the first section to adjacent portions of walls forming the tubular material of the second section.
- Optionally, cutting a recess in the tubular material comprises laser cutting the tubular material to remove a portion of the walls forming the tubular material.
- Optionally, the method further comprises cutting one or more openings in the tubular material to provide vents for escape of combustion gas from within the tubular material.
- Optionally, the method further comprises cutting inlet opening in the tubular material and at least one an alignment opening adjacent thereto, the alignment opening configured to receive a tab of an inlet pipe and arranged to align the inlet opening in the tubular material with an open end of the inlet pipe.
- Optionally, the method further comprises inserting a tab of an inlet pipe into the at least one alignment opening.
- Optionally, the method further comprises welding the inlet pipe to the tubular material.
- A seventh aspect of the present invention provides a pistol burner for burning gaseous fuel comprising being formed from a unitary tubular material and comprising an upright section coupled to a second section by a fold in the tubular material.
- Optionally, the second section is inclined with respect to the upright section.
- Further features and advantages of the present invention will be apparent from the specific embodiments illustrated in the drawings and discussed below.
- Within the scope of this application, it is envisaged or intended that the various aspects, embodiments, examples, features and alternatives set out in the preceding paragraphs, in the claims and/or in the following description and drawings may be considered or taken independently or in any combination thereof.
- Features or elements described in connection with, or relation to, one embodiment are applicable to all embodiments unless there is an incompatibility of features. One or more features or elements from one embodiment may be incorporated into, or combined with, any of the other embodiments disclosed herein, said features or elements extracted from said one embodiment may be included in addition to, or in replacement of one or more features or elements of said other embodiment.
- A feature, or combination of features, of an embodiment disclosed herein may be extracted in isolation from other features of that embodiment. Alternatively, a feature, or combination of features, of an embodiment may be omitted from that embodiment.
- Exemplary embodiments of the invention will now be described with reference to the accompanying drawings, in which:
-
Figures 1A and 1B are perspective views of a device for use in a space heater according to an embodiment of the present disclosure; -
Figure 1C is a perspective view of a space heater comprising the device ofFigure 1A ; -
Figure 2A is a top view of an intermediate component for forming the device ofFigure 1A ; -
Figure 2B is a side view of the intermediate component ofFigure 2A ; -
Figure 3A is a perspective view of a portion of the intermediate component ofFigure 2A ; -
Figure 3B is a perspective view of a portion of an intermediate component according of another embodiment of the present disclosure; -
Figure 4 is a plan view of a portion of an intermediate component according of yet another embodiment of the present disclosure; -
Figures 5A and 5B are further perspective views of the device ofFigure 1A ; -
Figure 5C is a perspective view of a device for use in a space heater according to a further embodiment of the present disclosure; -
Figure 6A is a top view of an intermediate component for forming a device according to a yet a further embodiment of the present disclosure; -
Figure 6B is a bottom view of the intermediate component ofFigure 6A ; -
Figure 6C is a view from above of a burner device formed from the intermediate component ofFigure 6A ; -
Figure 7A shows a further perspective view of the device ofFigure 5C ; -
Figures 8A, 8B , and9A are top views of devices for use in a space heater according to various embodiments of the present disclosure; -
Figure 9B is a perspective view of a device for use in a space heater according to still a further embodiment of the present disclosure; -
Figure 10 is a top view of an intermediate component for forming a device according to a still yet another embodiment of the present disclosure; -
Figures 11A and 11B are a perspective views of devices for use in a space heater according to embodiments of the present disclosure; -
Figure 12A is a perspective view of a device for use in a space heater according to an embodiment of the present disclosure; -
Figures 12B, 12C, and 12D show top, side, and bottom views of an intermediate component for forming the device ofFigure 12A ; -
Figure 12E shows a plan view of a mesh component for use with the intermediate component ofFigure 12B for forming the device ofFigure 12A ; -
Figure 13A is a perspective views of a device for use in a space heater according to an embodiment of the present disclosure; -
Figure 13B, 13C, and 13D show top, side, and bottom views of an intermediate component for forming the device ofFigure 13A ; -
Figure 14 is a perspective view of a device for use in a space heater according to an embodiment of the present disclosure; -
Figure 15A is a perspective view of components forming inlet pipe for use with devices according to the present disclosure and a venturi; and -
Figure 15B is a perspective view of the components ofFigure 15A assembled to form an inlet pipe incorporating a venturi. - Detailed descriptions of specific embodiments of heating apparatus, burner devices and method of manufacture are disclosed herein. It will be understood that the disclosed embodiments are merely examples of the way in which certain aspects of the invention can be implemented and do not represent an exhaustive list of all of the ways the invention may be embodied. As used herein, the word "exemplary" is used expansively to refer to embodiments that serve as illustrations, specimens, models, or patterns. Indeed, it will be understood that the heating apparatus, burner devices and method of manufacture described herein may be embodied in various and alternative forms. The Figures are not necessarily to scale and some features may be exaggerated or minimised to show details of particular components. Well-known components, materials or methods are not necessarily described in great detail in order to avoid obscuring the present disclosure. Any specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the invention.
- Referring to
Figure 1 there is shown adevice 10 for use in aspace heater 90 such as that shown inFigure 1C . Thedevice 10 comprises a lower burner and an upper burner, the upper burner takes the form of a pistol burner, for use burning a flammable gas, such as natural gas or liquefied petroleum gas. Thedevice 10 comprises a tubular structure folded to provide a multilevel burner. A first, lower,level 14, forming the bottom or lower burner, comprisesopenings 16 or through holes between an interior of the tubular structure and the exterior of the tubular structure. Theopenings 16 are provided in an upper surface or panel T of the tubular structure. Theopenings 16 in the illustrated embodiment take the form of slots, however in other embodiments other shapes may be employed depending upon a desired aesthetic quality of the flame such as but not limited to shape or height. - The
device 10 comprises a generally vertical orupright section level 14. Eachupright section lower level 14 portion. A portion of the joint between firstlower level 14 portion and the one of theupright sections level 14 portion and the one of theupright sections lower level 14 portion and said one of theupright sections - A second, upper,
level upright sections levels lower level 14, eachupright section level levels level level 14. In other embodiments, one or both of the second, upper,levels level 14, and may be generally horizontal. - The
device 10 comprises aninlet pipe 30, the inlet pipe may be formed from a tubular section and welded to a lower surface or panel of portion of the tubular structure forming the first, lower,level 14 or bottom burner. In other embodiments, theinlet pipe 30 may be formed from a tubular section or pipe configured to mate with an upstream component such as but not limited to a venturi 40 (seeFigure 1C ). Theventuri 40 comprises a narrowing and/or a widening of the pipe carrying the gaseous fuel to theburner 10. Theventuri 40 comprises at least one opening and provides for mixing of the fuel gas with atmospheric air, specifically oxygen with the gaseous fuel, the gas/air mix is carried to theburner 10 and escapes through theopenings burner 10. An air inlet A4 (shown inFigures 14 ,15A, and 15B ) is provided in theinlet pipe 30 proximate to theventuri 40. An ignition source, as shown inFigure 14 , may be provided to ignite the gas/air mix exiting theopenings burner 10. The ignition source may be a conventional ignitor such as a piezoelectric spark igniter, standing pilot ignition system, match, taper, flint or torch striker, or other suitable automatic or manual ignition. - The
venturi 40 is in gaseous or fluidic communication with avalve 50 which in turn is in gaseous or fluidic communication with a fuel gas supply or store GS. It will be appreciated that the fuel is gaseous when present in theburner 10, but may be liquid, under pressure, in a storage container. - The
device 10 is formed from a tubular material,Figure 3A shows abox section 12, the box section may be formed from mild steel, stainless steel or other suitable metallic or non-metallic material. - The
box section 12 comprises hinges or foldable regions F1, F2, F3 in which a portion of thebox section 12 is removed. In the embodiment illustrated inFigure 3A portions of three of the four sides orpanels box section 12 are removed. Triangular or "V" shaped portions are removed from a pair of opposingsides box section 12. A square or rectangular portion of athird one 3 of the sides or panels disposed between the pair of opposingsides panel 3. The triangular section removed from the pair of opposingsides side panel box section 12 is folded and hence the angle between portions of thebox section 12 on each side of the fold. For example, an apex angle of 90° creates a pair ofadjacent box sections 12 disposed perpendicularly to each other. - In other embodiments, a
tubular material 112, as shown in the second illustrated embodiment ofFigure 3B , having an alternative, circular, cross section is employed.Figure 3B shows a cylindrical pipe in which a substantial portion has been removed to create a hinge or fold F4. In other embodiments, alternative cross-sectionally shaped tubing may be employed, for example hexagonal or octagonal however other polygonal shapes may be employed, in such embodiments the end caps may be formed separately from the tubular material forming the burner. - Square or
rectangular box section 12 may be advantageous in that an end cap EC may be hingedly or foldable connected, by a foldable connection F1, to each end thereof. -
Figures 5A, 5B show embodiments of theburner device 10 in which decorative scenery items L have been mounted to theburner device 10. The decorative scenery items L may have the appearance of a traditional fossil fuel such as, but not limited to, a log. The decorative scenery items L may be formed from a ceramic material or other suitable material as is known the art. - The decorative scenery items L may be moulded to take a desired shape so as to appear to be a combustion fuel used in traditional space heaters. The decorative scenery items L is arranged to generally conceal or hide from view portions of the
burner device 10. In some embodiments, the decorative scenery items L may comprise cutaways or apertures to control or facilitate air flow to theburner device 10 particularly in the regions of theopenings burner device 10. In some embodiments, theburner device 10 and decorative scenery items L are configured to give the impression of a traditional log fire, the airflow and fuel delivery is controlled to produce flames which appear to be produced by burning of the decorative scenery items L. - Referring now to
Figures 4 and5C to14 , there are shown additional embodiments of the present disclosure. In the alternative illustrated embodiments like numerals have, where possible, been used to denote like parts, albeit with the addition of the prefix "200", "300", "400", "500" and so on to indicate that these features belong to a respective subsequent embodiment. The additional embodiments share many common features with the first and second embodiments and therefore only the differences from the embodiments illustrated inFigures 1 to 3A will be described in detail. -
Figure 4 shows a blank 212, according to an alternative embodiment, formed from sheet material for forming a tubular structure, the blank 212 comprisespanels top panel first side panel 202 totop panel 203. The tubular structure can be further assembled into a burner by folding the tubular structure about transverse folds F1, F2, F3 in thebase panel 201 and welding adjacenttubular sections opposed side panel top panel 203. -
Figure 7A and5C illustrate a third embodiment of the present disclosure in whichadditional opening 16 have been added to the firstlower level 314, opening 16 are provided substantially below each of the second upper levels in vertical registry therewith. InFigure 5C decorative scenery items L have been mounted to theburner device 310. -
Figure 6A and 6B show top and bottom views of an intermediate component for forming a two-tier burner device 410 as shown inFigure 6C . In the embodiment ofFigures 6A to 6C the upper tiers are arranged to be disposed at a non-zero angle, optionally an oblique angle, with respect to a tubular axis of the firstlower tier 414. In this embodiment additional sections RS1 of thetubular section 412 are removed and define folds in each of the opposed side walls. A first one of theupper levels 422 is hingedly or foldably connected to a first one of the opposed side walls of thetubular section 412. A second one of theupper levels 424 is hingedly or foldably connected to a second one of the opposed side walls of thetubular section 412. -
Figure 6B shows an aperture A1 in the bottom wall of thetubular section 412 to which an inlet pipe is attached in asetup burner 410. The aperture A1 being aligned with an open end of the inlet pipe. -
Figures 8A and 8B are views from above of asingle tier burner 510 configured to be nonlinear along its length, the intermediate component (not shown) is provided with folds in the side wall similar to that of the embodiment shown inFigure 6A . Theburner 510 comprises amedial section 514 andopposed end sections intermediate section sections end sections Figure 8B decorative scenery items L have been mounted to theburner device 510.Figure 9A shows a further embodiment in which theburner 610 in nonlinear and comprises a plurality of folds. -
Figure 9B shows an exemplary embodiment in which a plurality of additional branches or pistol burners B1, B2, B3, B4 have been added to the burner device substantially as shown inFigure 7A . It will be appreciated that one or more of the additional branches B1, B2, B3, B4 may be omitted or substituted for a branch B1, B2, B3, B4 of an alternative design. The branches B1, B2, B3, B4 are configured from tubular box section material and may be arranged with folds configured and arranged in substantially similar manner to those described herein and illustrated. -
Figure 10 shows a blank 812 according to a ninth embodiment in which a tubular box section has been pre-cut with foldable regions by removing sections thereof as described and illustrated herein. The blank 812 comprises additional branches B5, B6 which have been welded to the tubular box section in a similar manner to the inlet pipe, apertures (not shown) are cut into the side walls of the tubular box section at the location where the branches B5, B6 are attached to allow fluid (gas) flow between the main body of the burner and the branches B5, B6. In the illustrated embodiment one of the branches B5 in linear and the other branch B6 is non-linearly configured with a foldable section welded into position. Each of the branches B5, B6 comprises an end cap folded and welded in position. -
Figure 11A shows yet another embodiment in which thelower tier 914 of theburner 910 comprises downwardly foldedsection sections upright sections second tiers Figure 11A openings 926' are provided in the bottom wall of the tubular box section rather than in the top or side walls.Additional opening 926" are provided in the side walls of theupright sections -
Figure 11B shows an eleventh embodiment of the present disclosure in which theinlet pipe 1030 is integral with theburner 1010 and is folded and welded in position by cutting and removing a section of the tubular box section to define the fold in a top wall thereof. -
Figures 12A and13a show embodiments of asingle tier burner Figures 12B, 12C, 12D show top, side, and bottom views respectively of a blank 1112 for forming theburner 1110 ofFigure 12A .Figures 13B , 123, 123 show top, side, and bottom views respectively of a blank 1312 for forming theburner 1310 ofFigure 13A . - In the embodiment of
Figure 12A theburner 1110 is symmetrically arranged about the inlet pipe 1130, the inlet pipe 1130 being formed from a separate piece of tubular box section welded to a lower panel of theburner 1110. -
Figure 12E shows a mesh panel M, the mesh panel M is insert into the tubular box section before closing the end caps and is secured in position. The mesh covers theopenings 16 and may prevent or inhibit blow back. In some embodiments the mesh M may be attached to an exterior surface of the tubular box section to cover theopenings 16. Alternatively, the mesh M may be inserted into theopenings 16 to be substantially coplanar with wall in which theopening 16 is formed. - In the embodiment of
Figure 13A theburner 1110 is asymmetrically arranged with respect to the inlet pipe 1130, the inlet pipe 1130 is integral with the tubular box section of theburner 1110 and is folded and welded in position. -
Figure 14 shows another embodiment according to the present disclosure and shows aburner device 1310 having a bottom orlower burner 1314 and a pair of upper orpistol burners lower burner 1314.Figure 14 shows an ignition system IS configured to ignite the fuel/air gaseousmix exiting openings 1316 in thebottom burner 1314. -
Figure 14 also illustrates a portion of theventuri 40, the venturi is formed in part from theinlet pipe 1330, an aperture A4 (best shown inFigure 15A ) is provided in one of the panels of the box section forming theinlet pipe 1330. A pair of mounting holes A3 are provided in said one of the panels of the box section for mounting a venturi plate V, shown inFigures 15a and 15B . - In an assembled condition, see
Figure 15B , the venturi plate V is mounted to the panel of the box section in which the aperture A4 is provided. The venturi plate comprises at least one slot SL, the illustrated embodiment comprises a pair of slots SL, for adjustably mounting the venturi plate V to theinlet pipe 30. The venturi plate V can be slidably moved over a range defined by the slots SL to adjust the extent to which the venturi plate V closes or obscures the aperture A4. In this way the amount of air drawn into theinlet pipe 30 can be adjusted. The venturi plate is mounted to theinlet pipe 30 by suitable fixing elements SC such as screw or bolts and can be secured in a desired position with respect to the aperture A4. - A lower end of the inlet pipe may comprise a reducer or adapter (not shown) to enable the
inlet pipe 30 to be affixed or connected to a valve by conventional gas piping, tube or conduit. The reducer or adapter may be disposed proximate to the aperture A4. - An upper end of the
inlet pipe 30 may comprise at least one tabor tongue, the illustrated embodiment comprises a pair of tabs or tongues TG. The tabs TG are configured to mate in apertures A2 provided in the base panel of thelower burner 1314; apertures A2 are best shown inFigure 12D . The apertures A2 and tabs TG provide an alignment device for alignment of theinlet pipe 30 with thebottom burner 14 and the particularly the open end of theinlet pipe 30 with the gas inlet aperture A1 in the base panel of thebottom burner 14, and may facilitate assembly or mounting of theinlet pipe 30 to thebottom burner 14 of the various embodiments of the present invention. - The present disclosure provides a space heater; gas stove, gas fire, multisided glass cassette type fire and outdoor gas heater constructed which creates the effect of angled flames and an under burner comprising a single metal part, a single venturi, single tubing and injector producing the combustion through multi gas burners within a combustion box. The gas mix is initially vented through the single venturi then to the one-piece box section or tube pistol burner through the slots in the top housing base then further onto the angled pistols. The slots can be configured in a way to dissipate the gasses vented as flat, high ends or high middle flame image. Pistols can be added to the burner to produce an added effect without adding a separate gas housing compartment. The venturi may have a dual functioning venturi ring or plate added which can be altered to the desired gas requirement, relevant to the specific gas type and / or requirements or regulation in territory or country of deployment. The shape of the venturi can differ, from round, square or rectangular. The burner may comprise any length of bottom/lower burner, any length of pistols/upper burner and configured at any angle requirement to suit a multitude of different sized appliances.
- The present disclosure also provides a gas burner having a single piece burner construction. The gas burner may be constructed from a fine laser cut box section or tube of any size. The box section or tube can be laser cut in one piece, as shown in the Figures, creating a single, unitary, piece that can be folded, by hand or machine, to a predetermined angle, defined by cuts in the box section or tube. This method is advantageous for creating consistency in the product created. The sections are joined together and welded to form an airtight construction at the folds.
- The present disclosure also provides a gas burner having fine laser cut slots at predetermined positions. This is advantageous in that it provides a multitude of options for allowing the gas to escape at different positions throughout the burner. The tubular sections of the pistol burners and the tubular section of the base or lower burner can have openings along some or all its respective length to allow gas to escape at various, or numerous, positions therealong, to create a desired flame pattern. In some embodiments, the flame pattern may be limited to a central or end portion of the respective burner; in other embodiments; the flame pattern may extend along the entire length of the respective burner.
- The bottom burner slots can be spaced out to create the illusion of fire burning at different combustion rates. Allowing ceramic logs to be spaced in a much wider appliance.
- The burner can be placed in a gas stove, cassette (built in the wall) free standing appliance or double-sided appliance.
- The present disclosure is advantageous over the prior art in that it eliminates the need for a multitude of fittings to be employed from the gas valve to the burner. Conventional pistol burners have many tubes connecting the gas from the valve to the burner. The present disclosure provides a single tube from the valve outlet to the venturi which mixes the gas with air for combustion for the single construction, advantageously omitting all the extra fittings required for a pistol burner in a conventional system. Further a single venturi is provided for mixing air with gaseous fuel for the bottom or lower burner and each or any pistol burner integrally formed therewith.
- A further advantage of the present inventions is that significantly less material is used in the construction of the burner, thus making it more environmentally friendly and reducing the pressures on the steel industry.
- Servicing of the burner unit may be much simpler than conventional pistol gas appliances since it does not have a plurality of connected parts, fittings or gaskets. The time required to complete a burner replacement may be significantly reduced.
- The burner unit may be connected or coupled to either a manual valve or remote valve as desired.
- In some embodiments, a lower log carrier tray (a platform form P, see
Figure 1C , which theburner 30 extends or is mounted) may remain cooler than that in a conventional design. Thelower burner 14 may be spaced apart from the platform P, and suspended thereabove. This may allow the addition of additional features to the space heater apparatus such as, but not limited to, providing a location to mount lights such as multi-coloured LED's to the underbed of the unit. - It should be recognised that numerous changes may be made within the scope of the invention.
- As used herein the terms stove, fireplace, log burner, and fire refer to an apparatus which has an appearance typically associated with a heat source.
- It will be recognised that as used herein, directional references such as "top", "bottom", "front", "back", "end", "side", "inner", "outer", "upper" and "lower" do not limit the respective features to such orientation, but merely serve to distinguish these features from one another.
Claims (24)
- A burner for burning gaseous fuel comprising a first, bottom, burner and at least one upper, pistol, burner wherein the first, bottom, burner and at least one upper, pistol, burner are formed from a unitary tubular material and are coupled to each other by at least one fold in the tubular material.
- The burner of claim 1, wherein the at least one upper, pistol, burner comprises an upright section coupled to an end of the first, bottom, burner by a fold in the tubular material.
- The burner of claim 1, comprising an upper, pistol, burner coupled to each end of the first, bottom, burner, each upper, pistol, burner having an upright section, the upright section coupled to an end of the first, bottom, burner by a fold in the tubular material.
- The burner of claim 1, wherein the burner comprises a single venturi for mixing air with combustion gas and supplying the same to the first, bottom, burner and the at least one upper, pistol, burner.
- The burner of claim 1, wherein at least one of the first, bottom, burner and the at least one upper, pistol, burner comprises an end cap at an end of the tubular material and are coupled to thereto by at least one fold.
- The burner of claim 1, further comprising an inlet pipe, wherein the inlet pipe is welded to the tubular material forming the first, bottom, burner or wherein the inlet pipe is coupled to an end of the first, bottom, burner by a fold in the tubular material.
- The burner of claim 6, wherein the inlet pipe comprises a tab projecting from an end thereof, and the tubular material forming the first, bottom, burner comprises an alignment opening in which the tab is received, the tab and the alignment opening forming an alignment device for aligning an open end of the inlet pipe with an inlet opening in the tubular material forming the first, bottom, burner.
- The burner of claim 7, wherein the inlet pipe comprises a pair of tabs and the tubular material forming the first, bottom, burner comprises a pair of alignment openings each of the pair of alignment openings receives a respective one of the pair of tabs.
- The burner of claim 6, wherein the inlet pipe comprises air inlet opening cut into a wall thereof, and wherein a plate is mounted to said wall, the plate being adjustable between a first closed position in which the plate covers the air inlet opening and a second open position in which the plate is withdrawn from covering any of the air inlet opening.
- The burner of claim 6, wherein the inlet pipe is formed from a section of tubular material similar to that which the burner is formed from.
- The burner of claim 1, wherein the tubular material is a box section having a square cross-sectional shape.
- The burner of claim 9, wherein the plate is securable in a desired position between the first closed position and the second open position to control the flow of air into the inlet pipe.
- The burner of claim 1, wherein the burner comprises a single ignition source for igniting combustion gas vented from the first, bottom, burner and the at least one upper, pistol, burner.
- The burner of claim 2, wherein a section of the unitary tubular material providing the at least one upper, pistol, burner is inclined with respect to the upright section.
- A heating apparatus comprising the burner of any of claims 1 to 14.
- The heating apparatus of claim 15, comprising a platform to which the burner is mounted, and wherein the platform comprises at least one electrical light source mounted thereto for illuminating the burner.
- A component for forming a burner for burning gaseous fuel comprising a tubular material having at least one cutaway defining a recess to provide a foldable region between a first section of the tubular material and a second adjacent section integral with the first section.
- A method of constructing a burner for burning gaseous fuel comprising:providing a tubular material,cutting a recess in the tubular material to define a foldable region between adjacently disposed first and second sections of the tubular material;folding the first section of the tubular material with respect to the second section of the tubular material to form a joint therebetween;welding at least a portion of walls forming the tubular material of the first section to adjacent portions of walls forming the tubular material of the second section.
- The method of claim 18, wherein cutting a recess in the tubular material comprises laser cutting the tubular material to remove a portion of the walls forming the tubular material.
- The method of claim 18, further comprising cutting one or more openings in the tubular material to provide vents for escape of combustion gas from within the tubular material.
- The method of claim 18, further comprising cutting inlet opening in the tubular material and at least one an alignment opening adjacent thereto, the alignment opening configured to receive a tab of an inlet pipe and arranged to align the inlet opening in the tubular material with an open end of the inlet pipe.
- The method of claim 21, further comprising inserting a tab of an inlet pipe into the at least one alignment opening.
- A pistol burner for burning gaseous fuel comprising being formed from a unitary tubular material and comprising an upright section coupled to a second section by a fold in the tubular material.
- The apparatus of claim 23, wherein the second section is inclined with respect to the upright section.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB2205838.2A GB202205838D0 (en) | 2022-04-21 | 2022-04-21 | One piece multi-angled multi-height multi-base pistol burner |
GB2218321.4A GB2617886A (en) | 2022-04-21 | 2022-12-06 | Heating apparatus, burner device and method of construction |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4265963A1 true EP4265963A1 (en) | 2023-10-25 |
Family
ID=86095968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP23169042.1A Pending EP4265963A1 (en) | 2022-04-21 | 2023-04-20 | Heating apparatus, burner device, and method of construction |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP4265963A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA721584A (en) * | 1965-11-16 | M. Pappas Phillip | Formable gas burner and apparatus for making the same | |
US4875464A (en) * | 1988-08-18 | 1989-10-24 | Shimek Ronald J | Clean burning gas log burner system |
US20050196715A1 (en) * | 2004-02-13 | 2005-09-08 | Shumway Stephen L. | Luminous burner |
-
2023
- 2023-04-20 EP EP23169042.1A patent/EP4265963A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA721584A (en) * | 1965-11-16 | M. Pappas Phillip | Formable gas burner and apparatus for making the same | |
US4875464A (en) * | 1988-08-18 | 1989-10-24 | Shimek Ronald J | Clean burning gas log burner system |
US20050196715A1 (en) * | 2004-02-13 | 2005-09-08 | Shumway Stephen L. | Luminous burner |
Non-Patent Citations (1)
Title |
---|
MR TECHNIC: "GI PIPE BENDING WITHOUT BENDER", 21 April 2021 (2021-04-21), XP093081581, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=hkYhx3WE0HQ> [retrieved on 20230913] * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20120216794A1 (en) | Multi-channel burner assembly simulataneosuly accepting multiple different fuel-air mixtures | |
CA2349149C (en) | Low nox apparatus and methods for burning liquid and gaseous fuels | |
US5431557A (en) | Low NOX gas combustion systems | |
US3822985A (en) | Flare stack gas burner | |
CN107110498B (en) | Top tape mouth burner | |
EP3134678B1 (en) | System and method for generating a flame effect | |
US3760790A (en) | Gas fireplace unit | |
US5647341A (en) | Gas burner and fireplace and method of combustion | |
CN1099545C (en) | Atmospheric gas burner having diffusion pilot for improved dynamic stability | |
EP4265963A1 (en) | Heating apparatus, burner device, and method of construction | |
GB2617886A (en) | Heating apparatus, burner device and method of construction | |
CN102095201A (en) | Composite combustion device | |
US5133657A (en) | High turndown sheet metal atmospheric gas burner | |
CN100464120C (en) | Gas burner | |
US5769623A (en) | Oil fired burner | |
US20080011286A1 (en) | Heat activated air shutter for fireplace and related methods | |
US6026805A (en) | Heating apparatus | |
KR20160136930A (en) | Combustion tube for outdoor | |
JP2002243117A (en) | LIQUID FUEL BURNING LOW NOx BURNER | |
CN1174308A (en) | Channel burner and method for heating flowing gas | |
US5743249A (en) | Gas fireplace system burner assembly | |
EP4276355A2 (en) | Biofuel heating apparatus and device for same | |
RU2230987C2 (en) | Flare unit cap | |
GB2221026A (en) | Gas burner | |
CA2552492C (en) | Heat activated air shutter for fireplace |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20240419 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |