US1050170A - Oil-burner. - Google Patents

Description

B. F. RAWLINGS.

OIL BURNER.

APPLIOATION FILED SEPT. 28, 1911.

1,050,170, Patented Jan. 14,1913.

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B. F. RAWLING-S.

OIL BURNER.

APPLICATION FILED SEPT. 28, 1911.

Patented Jan. 14, 1913.

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OIL-BURNER.

Specification of Letters Patent.

Application filed September 28, 1911.

Patented Jan. 14, 1913. Serial No. 651,675.

and which is effective and efiicient in opera-- tion.

For the attainment of these ends, and the accomplishment of other new and useful objects as will appear, my invention consists in the features of novelty in the construction, combination and arrangement of the several parts, particularly shown in the accompanying drawings and described in the specification but more particularly pointed out in the appended claims.

In the drawings, Figure 1 is a side elevation of a burner constructed in accordance with the principles of my invention and applied to the fire-box of a stove represented in dotted outline; Fig. 2 is a View partly cut away taken on the line 22 of Fig. 1; Fig. 3 is a detailed view in cross section of the spreader and the vaporizer; Fig. 4 is sectional view of the burner shown in Fig. 1; Fig. 5 is a sectional plan view on the line 55 of Fig. 4.

It has been found in burners of this class that the underside of the spreader soon accumulates a coating of soot, and that there is not complete combustion of the fuel burned. Another difliculty is in positioning the burner in a place where the support is apt to be uneven, such for example as the grate in the fire-box of a stove, and in this position it is desirable that the burner be held laterally in place in the said fire-box. The applicants burner is designed to overcome these dificulties and to present a simple, efiective and eflicient burner.

Referring now more particularly to the drawings, the base plate 10 is provided with dependin lugs 11, and is adapted to be supporte by means of adjustable legs 12. These legs'may be adjusted in any desired or suitable manner, such, for example, as by means of the threaded screws 13 extending through slots in the legs 12, and the edges thereof, to seal the fire-box.

thumb screws 14 threaded upon the screws 13 to bind the legs in position.

Supported by the base plate 10 is a supporting member 15, having a downwardly extending threaded portion 16 into which a supply pipe 17 isthreaded. Extending upwardly and supported by the member 15 is a vaporizer 18 which is provided with a passage 20 communicating with the supply tube 17 through an opening 21 in the supporting member 15.

The vaporizer 18'is formed witlt a substantially frusto-conically shap'ed hood, the outer surface of which is provided with annular grooves 22 and at the top with a number of passages 23, opening laterally from the central passage 20. Atthe top, the vaporizer is formed wit-h a projection 24,'and on this projection a spreader 25 is adapted to be positioned by means of the opening 26. The vaporizer is preferably formed with a comparatively thin outer shell and adjacent the top extending through the shell between the laterally opening passages 23 are the apertures 27. These apertures 27 are adapted to form substantially vertical passage ways to direct a fluid as air from beneath the vaporizer to the outside thereof, and against the spreader 25 to assist the combustion of the gases arising from the vaporizer.

The spreader 25 is formed with lower outside/edges disposed within the apertures 27 which extend through the top of the va- .lower surface of the spreader.

Surroundi the vaporizer and supported by the base p ate 10 by means of the standards 28 is a draft ring29 provided on the outside with a flange 30. This flange 30 is adapted to provide a support for a'sealing plate 31 which has an opening adapting it to fit over the draft ring and which'is'effective to position the burner laterally in a fire-box o a stove, andby engaging the Dispo'sed upon the supporting member and under the vaporizer 18, is an annular starting pan 32 provided with a handle 33, the inner edge of the starting pan being preferably higher than the outer edge to prevent oil overflowing on the inside.

In starting the burner, the oil is admitted through the pipe 17 by means of a valve 34- and passes up through the passage 20 and out through the lateral opening passages 23' until the grooves 22 are filled and the oil trickles down into the starting pan'32. The oil is ignited in the starting pan and the flames therefrom pass upwardly until the vaporizer 18 and the spreader become heated enough to vaporize the oil without the assistance of the starting pan. The oil continues to issue from the lateral openings into the grooves 22 and to be converted into gas This not only lowers the eflioiency of the spreader as a heat conducting agent, but italso prevents the complete combustion of the gas thereby resulting in a further loss of heat. By providing the openings 27 adjacent the top of the vaporizer, the innermost flames are abundantly supplied with air which is drawn up by the flame itself in accordance with the amount necessary to produce, complete combustion, with the result that the gases arising from the oil are completely burned and there is very little soot formed It will be noted that the form of the underside of the spreader is such that the air coming up through the openings 27, will be directed upwardly and outwardly into the flame at the exact point desired, and it will also be noted that the spreader extends beyond the vaporizer in all directions so that the flames arising from the vaporizer will all strike the s reader, and the maximum heating efiect wi 1 be obtained. It will also be noted that the spreader is preferably of substantially the same size as the draft ring 29 so that the sealing plate 31 may be inserted over the spreader. when it is in posltion. The spreader is readily removable so that the vaporizer may be easily cleaned.

ln'the exemplification of the invention illustrated by Fig. 1, it will be noted that the burner may be placed and easily leveled in the fire-box of a stove, eventhough the grates are uneven and of difierent heights.

The adjustment of the base plate is also important in positioning the sealing plate 31 for it may be necessary to vary the height ot the burner in order that the sealing plate will more nearly fill the fire-box aperture.

While I have thus described the preferred construction of my oil burner, it is evident that those skilled in the art to which this appertains may make various changes without departing from thespirit and scope of the invention.

What ll claim is:

'1. An oil burner having a vaporizer provided with a central fuel supply passage having laterally extending passages radiating therefrom wholly within the material of the vaporizer, and other passages extending vertically through the top, and a spreader positioned over the vaporizer, the said vertically extending passages being disposed to direct a fluid for supplying combustion adjacent the bottom of the spreader. 2. In an oil burner, the combination of a vaporizer having a top projection, a central supply passage with lateral openings therefrom, and, apertures disposed between the lateral openings extending through the vaporizer substantially at right angles to the laterally extending openings, anda spreader mounted upon said projection with edges extending down over it inside of the said apertures, the under surface of the spreader being rounded outwardl and upwardly from the lower portion to ireet a fluid from the said apertures in the same direction.

3. In an oil burner, the combination of a vaporizer substantiall frusto-conical in shape with outer ann ar grooves, a central fuel supply passage having openings adja} cent the top to discharge fluid to be burned into the grooves, and openings extending through the vaporizer ad acent the top and between the other openings substantially in the same direction as the central passage, and a spreader positioned. on the vaporizer with its lower inside edges within the second named openings, the spreader being of a greater diameter than the vaporizer and with its lower surface rounded outwardly and upwardly to direct air from the top openings into the flame arising from oil burning in the said annular grooves.

4. In an oil burner, the combination with a supporting base, of a vaporizer supported thereby,- a spreader disposed above the vaorizer and of larger diameter than it, a draft ring supported by the base, disposed about the vaporizerand having an outer flange, and a sealing plate having an opening to permit it to %e placed upon said flange substantially to ll 2. fire-box.

5. The combination with a fire box, of a burner comprising a base plate having means for adjusting the height thereof in the fire-box, a, vaporizer supported by the base plate, a draft ring disposed about the vaporizer, and means to, close the fire-box about the burner, said means being supporte0. by the draft ring and movable with the base with respect to the fire-box and effective to position the burnerwith respect to the sides of the fire-box.

6. In an oil burner, the combination with a base plate, of a support, means for adjusting ,the vertical height of the base plate from the support, a vaporizer supported by the base plate having a central fuel supply opening, means extending below the base plate for afiording connection with a source of fuel supply, a draft ring having an outer flange and surrounding the vaporizer, a spreader disposed above the vaporizer and the draft ring less in diameter than the said flange, and a sealing plate having an opening which adapts it to be positioned from the said flange over the spreader, the said plate being positioned in a fire-box by adjusting the height of the'burner.

7. The combination of a fire box and a burner, said burner comprising laterally extending means, for closing the fire box in which the burner is placed, around the burner, a base for supporting the said means, and separately adjustable legs to vary the height of the burner and the said means in the fire box.

8. In an oil burner of the class described, a vaporizer com rising an outwardly flared petticoat depen ing from and formed integral with a central u right member and provided with a centra opening in the upright member closed at the'top and having connected transverse laterally extending passages radiating from the central opening adjacent the top of the vaporizer, and openings betweenthe said passages extending through the shell of the petticoat whereby air is supplied from beneath the vaporizer to the upper side in proximity to the burning fluid, and means to supply fluid to the vaporizer.

In testimony whereof I have signed my name to thisspecification, in the presence of the subscribing witnesses, on this 23rd day of September A. D. 1911.

. BERT 1F. RAWLINGS.

Witnesses:

ALBERT W. Cox,

J. WEST Ermo'rr, J. ALLna'roN PALMER.

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