US1688375A - Oil burner - Google Patents

Description

oct. 23, 192s. 1,688,375

C. A. BERKINS oIL BURNER Filed oct. 18, 1926 2 sheets-sheet 1 ocr. 23, 1928. Y 1,688,375

c. A. BERKlNs ou. BURNER Filed oct. 18. 1926 2 sheets-.sheet 2 if-zzp. 3

fill

latented @et Z3, 1928.

narran STATES PATENT orifice.

CLARENCEA.: tannins, orv Miamnaroms, Minnesota.

o-rL BURNER, f f

Application lled October 18; 1926. Serial No. .l-2,395.

lily invention has for its object torprovide an improved oil orhydro-carbon burner' adapted for general use in furnaces, boilers stoves and the lili:e,and is designed parti-- cularly as an improvement on the type of hydro-carbon burner disclosed and claimed .1,499,385, issued ot in my prior Patenty N date July 1, 1924-.V f

ln the accompanying` drawings, which illustrate a commercial form of the improved burner, lilre characters indicate like parts throughout the several views,

Referring` to the drawings:

Fig. 1 is a plan view showing the burnery with the air tube removed;

Fig. 2 is a bottom plan view of moved air tube; and Y Fig. 8 is a vertical section talren through the complete burner on the lineB-S of Fig. 1.

the vre- The present invention differs from' or is in the top plate of the base member of the burner.

The base member l of the burner is of box-like form and, by a verticalpartition 5, is divided into a dead air chamber 6 and an air intake chamber 7. At its top, this box-like base is provided with a` flanged cover 8 and, over the dead air chamber 6, said base is formed with an annular bowl or depression 9 having an upwardlyA projecting conical central portion 10. The oil delivery pipe 11, at its upper end, is threaded and screwed into thetruncated top portion of the cone 10 and communicates with a short pipe section 12 that is threaded at both ends and its lower end is screwed into the cone 1() in registration with the adja# cent end of the oil pipe 11. This pipe section 12, therefore, is a detachablesection of the oil supply pipe. 1

The numeral 13 indicates the generatingy cone, the apex of which is perforated and internally threaded and screwed onto the threaded upper end ot the pipe section 12. This generating cone 13 is formed with annular steps 141 of increasing diameter fror the top toward the bottom of cone, and at its lower edge, said cone is formed integral with a supplementalr bowl l5 of annular form and of such dimensions ythat it is spaced from the lower bowl 9 so as to aii'ord an air space between the cones'lO and 13 the and between the annular' bowls 9' and` 15.

The bowl 9, at one side andabove its bottom, provided with any overflow passage 16 from which an overflow pipef17 leads down wardly, preferabltthrough the air supply chamber 7. rlhe goose-necked or curved air intake tube 18 is preferably a cast shell with its receiving' leg longer than its delivery leg.- The lower end of the relatively long receivinp` legr yof this air tube is detachably seated in alarge opening 19 formedl in the/,top plate 8 above the air supply chamber rhfllie extreme lower end of said leg` telescopes into theopening V19 and is `pro` vided with a stop flange 20 justabove the plate 8 and with a notched loclr lug 21 that eng'ageable'just below said plate 8. The lug 21 is diametrically opposite the short leg of the air tube, so that when the air tube is applied as shown in Fig. 8, the shor leg of said tube will be properly positioned around the upper portionof the generating cone 13. The interlocking connection described, however, permits the air tube to be very readily lifted from working position by a sort of rocking movement and to be applied in working position by a Vreverse rocking movement.

The short leg of the air tube 1S is provided Y with overlapping spiral flanges or venes 22 that are spaced from the steps of the conelS, but will cause the downwardly delivered air to take a whirling motion around the cone.

VThe supplemental bowl 15 is provided with upstanding deflecting` pegs or lugs 28, which not only increase the heat-rarliziiting' surface of the bowl, but deflect the vapors in all directions and thereby insure thorough commingling of the oil vapors and air just before they pass outward of the supplemental bowl 15. v

In the improved burner described, there will always be air in the space between the upper` and lower bowls, and this air will act more or less as an insulation to prevent the lower bowl from becoming excessively hot,

should be extinguished while the oil 'supply even when the upper cone and supplemental vbowl are at `very high temperatures. r)The oil will not, therefore, be subjected -to high temperature until it is delivered onto the generating cone 13, and the said generating cone and` supplemental. bowl may be at very high temperatures, because the metallic conducting surface is reduced to a minimum, `to

wit: simply to the cross section of the pipe section l2. The air delivered with a whirling motion around the cone will sweep eir-4 cumferentia'lly over the kste is thereof, which insures rapid vaporlzatien of the' Orl Fand mixture with the air and, moreover, the

whirling commin'glcd air and il vapors will" beswept into the supp'lemental bowl 15 and against and between the pins or pegs 23,

thereby further insuring the most thorough connninglin'gfof the oil 'vapors' and air.

If, by accident, 'the flames of the burner isstill turned on, then the overflow 4of oil accumulated inthe supplemental bowl 17 will runinto the lower bowl '9 and from thence out lthrough the overflow pipe 17.

In installing 'this burner in the firepot of a boiler orv furnace, the `b'ase Llwill usually bev placed directly on the grate bars 24 and Athe grate bars, outside the base, [will be covered with bricks 25 or the like, so that the only air that can pass through the grate will go rupward through the air chamber 7 and thence through 'theair tube 18.

It will be noted that, in view of the thread-y :ed engagement between rvthe pipe section 1Q,

and cone, the'said cone and supplemental bow-l are finade vertically ladjustable with respect to the delivery end of the air tube and with respect to thelower bowl or base plate.

In actual practice, th'efe'iiciency of this burner has been thoroughly demonstrated.

TWhat I claim is: p

lAnoil burner comprising a base provided with anl air passage and offset therefrom with anv annular bowl, of an oil dc livery pipe .extended axi ally through said bowl, a generating'cone supported by the upper end ofsaid oil delivery pipe, the latter serving to deliver yoilto the top of said cone, anda 'supplemental annular bowl formed :integral with said generating cone, said generating cone and supplemental *bowl being spaced from said lower bowl.

2. The structure defined-in claim vl in `which said suppemental bowl is provided with circumferentia-lly. spa-'ced lupstan ding de- `lie-sting lugs againstand between which the vwhich the lower bowl is provided with a drain lpassage and a 1drain pipe extended Vvftherefrorng:

4. The structure defined in claim =1` -i'nA which said upper bowl and 4'cone 'are vertically adriustable with respect to said 'lower bowl andthe delivery end of saidiair pipe. `"n testimony whereof I affix my signature.

CLARENCE A. meninivs'.'

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