US1746061A - Fuel-burner attachment for furnaces or boilers - Google Patents

Description

Feb. 4, 1930. Y J. w. TERN7-\U FUEL BURNER ATTACHMENT FOR FURNACES 0B BOILERS Filed Sept. 13. 1928 3 Sheets-Shee l Feb. 4, 1930. J. w. TERNAU 1,746,061

FUEL BURNER ATTACHMENT FOR FURNACES 0R BOILERS Filed. Sept. 15, 1928 a Sheets-Sheet 2 C-wry A TTORNEV Feb.4, 1930. ,J.W.QTERNAU 1 1,746,061

FUEL BURNER ATTACHMENT FOR FURNACES OR BOILERS Filed Sept. 15, 1928 5 Sheets-Sheet 3 ulllpllnrnrlllllu 11v VENTOR Patented Feb. 4, 1 930 4 v 1 a UNITED STATES. PATENT 'OFFICE l JOHN winLrAM TEItNAU, or nnwnonnomconnnorrcur i FUEfl-BURNERATiAQI-IMENT FOR rnnrmcns on BOILE BS a I Applicationiiledseptember 1s, 192s. Serial m3. 305,638. a V This invention relates to improvements in Fig.5 is a front elevation of ayoke bracket. fuel burners foruse in furnaces to increase As illustrated, my improved and novel furthe combustion of the fuel and heating canace attachment'comprises a casting or caspacityof the furnace, and in raising steam mg 10 having an end flange 11 by means of in stationary and'marine or other boilers, which the device is adapted to be attached 55 a and it is the principal object of my invention to a furnace or boiler front indicated at 12. to provide a' furnace or boiler attachment At an appropriate place the casing is pro; producing w aximum of h t, by. mini vided with a lighting ofl hole 13 equipped mum consumption of fuel, such as oil under with a movable cover 14. j

- 1'0 pressure forced through a burner and mixed A coverl5 having a handle 16 formed 60 I I i adapted to bejreadily attached to any size of with has at its inner apex a perforated boss with airunder pressure producedby a fan therewith is hingedly connected at one'end,

driven by a motor, as for instance an electric as at 17 to the casing 10," and has formed otorj v a I V therewith intermediate its ends a substan- '{Anotherob'ject of myinvention is the protially V-shaped ring adapted to engage, a V V vision of a furnace attachment of the above similarly shapedfdepression or groove in 65v type; of comparatively simple "construction, asbestos packing 18 embeddedin the front yet-durableand efficient in its operation for wall 19 of the casing 10 of the'furnace at the purpose in view, an attachment which tachment. a I v will greatly reducethe'cost of repairing and A bracket 20 is attached at one end to an 20 of replacements for worn parts, as each part inner shoulder of the casing, extends into the 70 of the attachment is'interchangeable and same, and at itsoppositeend is secured to portable. v I I alug or lugs 22. A further object of my inventionjis the t A yoke23 constituting'a holder for an oil provision of a furnace or boiler attachment burner body 24, and parts associated there- 5 furnaces or boilers of the present 'construc- 25 formed therewith equipped with inner tions without materially changing the furthread allowing the passage of a screw bolt nace or boiler construction, and in which the 26 which carries at its outer end a hand wheel air and fuel are imparteda' whirling motion 27 vwhile its inner pointed end engages the 30 ensuringa perfect combustion. 7 burner body 24.

A still further object of my invention is the V To the inner end of the yoke a two armed provision of a furnace or boiler attachment bracket'28 is fsecuredby means of bolts and ofthis character which is equipped with a nuts 29 carrying suitable washers while the Y novel and improved burner plug and tip. outer. ends of the bracket arms are slotted, as

i Y These and other objects and advantages of at 30, to allow the securing of the yoke and 85 my invention will become more fully known burner therein tothe bracket 20 by means of as the description thereof proceeds and will screws 31 carrying wing nuts 32 and encased" thehbespecifically defined in the appended .in asbestos oil tight packings 33, so that the V claims v 1. I burner and its holder yoke can easily be taken I i In he'accompanying drawings forming a apart and removed as a complete unit-from 90 material part of this disclosure; the interior ofcasing or attachment 10.'

Fig. '1 is a top plan v ew, partlyin section The oil is supplied under pressure" to the of the boiler or furnace attachment, con burner body by means of the oil supply pipe structed according to myinvention. 34 in block 34 adapted to be centered therein f Fig.2 is a top planview of a front cover by means of screws34, and isfed through plate forthe device, of Figure 1 channel 35 in theburner 'bodyto the pipe .Fig. 3 is asection through the attachment 36 provided at 1ts furnace end with anozzle on li ne3-I-'3ofFigure1. ortip 37.e a j I Fig. 4 is aninner front viewofthe burner This nozzle comprises a burner plug .38 i V screwed upon the end of pipe 36, which has formed therewith three small openings 39 drilled on an angle from the face of the burner plug to the center hole through which the oil is forced through the center opening to the whirling space 40 of the tip 37 It will be clear that the openings are made to size, and in accordance with the amount of fuel necessary to be consumed, and to produce the amount of heat required. This is also the case with the selection of the size of the Whirling space 40, and the size of the hole in the center of the burner tip 37.

The angular-face of the burner plug 38 is grooved, and the angular inner seat of the burner tip is also grooved, to ensure an oil' tight joint when the tip is screwed onto the plug, thereby only allowing the fuel oil topass through the angular grooves 39 cut in the face of the burner plug 38, and preventing leakage through the threaded section of plug and tip. 7

The objectof cutting the grooves in the burner plug 39 at an angle and entering the whirling chamber is to give the fuel oil entering under pressure, a whirling motion and the oil being forced through a small .hole in the center of the burner tip 87 produces a cone spray of oil film on entering the furnace or boiler while the air forced into the fur: nace by the fan device hereafter to be more fully described forms therewith a combustible mixture, and thereby produces combustion when ignited. I V Deflector vanes or baffie plates a'l'are arranged at the rear part of the attachment to ensure a suitable distribution of the air.

The air is forced into the attachment casing by a fan arrangement comprising a motor 42 attached to the casing door 15 my means of a bracket 48 and having its shaft 4 f equipped inside the door 15 with a fan 45.

The operation of my novel and improved furnace attachment will be clearly understood from the above description and simultaneous inspection of the drawing and it will be clear that the air forced by the fan into the furnace will be suitably deflected by vanes 41, while the fuel will enter the furnace in a whirl or spray imparted to it during its passage under pressure through the peculiarly shaped burner plug and tip so as to produce a combustible I mixture developing a maximum of heating 7 capacity with a minimum of fuel consumption.

Itwillbe understood that I have described and shown as one example ofthe many possible ways of practically constructing my at tachment its preferred form only, and that I may make such changes in its general arrangement and in the construction of its minor details ascome within the scope of the appended claims without departure from the spirit of my invention and the principles involved.

Having thus described my invention, what class described adapted to be attached to a furnace or boiler, comprising a casing having a shoulder formed therein, an asbestos ring at the front endof said casing having a V-shaped groove formed therein, a door hinged to the front end of the attachment, an innerring formed with said door equipped with a V-shaped inner face adapted to engage and fit into the groove of said ring, a bracket attached at one endto the shoulder of said attachment, and to lugs in the attachimparting to the oil a whirling motion before its entrance into the furnace, a means for'supply ng a1r to saidoil, and a means for mpart- .ing to said air a whirling motion before its mixture with the oil.

2. A furnace or boiler attachment of the class described adapted to be attached to a furnace or boiler, comprising a casing having a shoulder formed therein, an asbestos ring at the front end of said casing having a V-shaped groove formed therein, a door hinged to the front, end of the attachment, an inner ring formed with said door equipped with'a V-shaped inner face adapted to engage and lit into said ring, a bracket attached at one end to the shoulder o'f'said attachment, and to lugs in the attachment at its opposite end, a burner, a means for supplying oil under pressure to said'burner, a yoke, a per forated boss formed with the outer end 'of said yoke, a bolt screwed through said yoke, engaging said burner with its inner pointed end, a hand'wheel at the outer end of said bolt, a two armed slotted bracket secured to the inner end of said yoke, and means engaging the slots 'of said bracket for exchangeably holding said burner in the attachment, a means on said burner for imparting to the oil a whirling motion before its entrance-into the furnace, a means for supp-lying air to said oil, and a means for imparting to said air a whirling motion before its admixture with the oil. r

3. A furnace or boiler attachment of the class'described adapted to beattached to a furnace or boiler, comprising a casing having a shoulder formed therein, anasbestos ring at the front end of said casing having a \/-shaped. groove formed" therein, a door hinged to the frontend of the attachment, an inner ring formed with said door equipped with a V-shaped inner face adapted to en- 7 gage and fit into said ring, a bracket ata perforated boss formed with the outer end of said yoke, a bolt screwed through said yoke engaging said burner with its inner pointed end, a hand wheel at the outer end of said bolt, a'two armed slotted bracket secured to the inner end of said yoke, and

' means engaging'the slots of said bracket for with a V-shaped inner face adapted to en-i' exchangeably holdingsaid burner in'the attachment, a nozzle includin a burner plug having an angular, grooved ace, connections between said nozzle and the burner body, a

burner tip adapted to be screwed upon said I plug, an inner angular grooved seat formed I with said tip for imparting to the oil a whirling motion before its entrance into the furnace, a means for supplying air to the oil, and a means for imparting to said air a whirling motion before its admixture with the oil.

- 4:. A furnace or boiler attachment of the class described adaptedto be'attached to a furnace or boiler, comprising a casing having a shoulder formed therein, an asbestos ring at the front end of said casing having a V-shaped groove formed therein, a door hinged to the frontend of the attachment, an inner ring formed with said door equipped gage and fit into said ring, a bracket attached at one end to the shoulder of said attachment, and to lugs in the attachment, at its opposite end, a burner, ameans for supplying oil under pressure to said burner, a yoke, a'perforated boss formed with the outer end of said yoke, a bolt screwed through said-yoke'engaging said burner with its inner pointed end, a hand wheel at the outer end of said bolt, a two armed'slotte'd bracket secured to the inner end of'said yoke, and means engaging the slots of said bracket for exchangeably holding said burner in the attachment, a nozzle including a-burner plug having anangular grooved face, connections between said nozzle and the burner body, a burner tip adapted to be screwed upon said plug,'an inner angular grooved seat for imparting to the oil a whirling motion before its entrance 7 intothe furnace, a motoroperated fan within the attachment for forcing'air'intothe same, and deflector vanes orbaflle plates arranged at the rear part of the attachment to impart to said air a whirling motion before its admixture with the oil.

Signed at New London, in the county of d New' London and State of Connecticut, this 6th day of September, A.'D. 1928.

JOHN WILLIAM ERNAU.

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