US1098429A - Oil-burner. - Google Patents

Description

PIA. COLEMAN.

OIL BURNER. APPLICATION FILED FEB. 124912. RENEWED JAN. 7, 1914. 1,098,429., Patented June 2, 1914.

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FREDERICK At. COLEMAN, 0E. CLEVELAND, OHIO.

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Specification of Letters Patent, I

application 'filled- February in, 1912,.Serlwt1ltd $27,234? Renewed January 7, 1914*. Serial: No. 8129mm To all whom it may concern Be it known that l, linuenmorc ll... Conn MAN, a citizen of the United States, residing at Cleveland, in the county of Guyahoga and State of Ohio, have invented a certain new and useful Improvement in Oil-Burners, of which the following is a full, clear, andexact description.

The principal object-of this invention is to provide a cheap and simple oil burner, with which the oil will be completely consumed in the production of a hot flame whose size may be regulated as required. The burner, however, may be used as a burner of gas if desired.

The invention consists in the construction and combination of parts which are shown in the drawing, and hereinafter described and accurately defined in the appended supply claim.

In the drawing, Figurel'is a central 1011- gitudinal sectional view of an oil burner embodying the invention. Fig. 2 is a longitudinal sectional view of the front part of said burnerdevice when both ofthe valves (to be described) are open, as they may be in use. Fig. 3 is a transverse sectional view in the plane of line 3-3 on Fig. 1.

Referring to the parts by letters, A represents a chamber which is cylindrical in form, and has an inlet a to which a supply pipe G may be connected, and throughthis pipe air orsome oxygen supplying fluid will be delivered into this chamber A. Centrally disposed within this chamber is a fuel nozzle 13 having a central discharge opening 6, and having a fuel supply opening 6 to which a supply pipe H may be connected. This nozzle B is preferably an integral part of the same casting, which forms the chamber A. The front end of the fuel nozzle prbjects slightly beyond the front end of the chamber; and this projecting front end has a conical exterior b A cap valve C screws onto the front end of the chamber A, and has latcrallyprojecting arms-(.2 by which it may be turned in one direction or the other. This cap valve has a centrally disposed hole I) which is tapered so as to nicely fit upon the tapered end W'of the fuel nozzle.

A cap I) is screwed onto the rear end of the chamber C. A valve E screws through this cap and passes through a stuiiing box F in the rear end of the fuel nozzle. The front end of this valve E is conical and shaped to nicely fit a conical seat h in said? nozzle. This valve E has a hole 6 which extends from its front end rearward past the stdfl mg box F, which hole has a lateral extension e thrpugh the side of. the valve sosaud hole is always in communication with the interior of the chamber A.

Patented June 1M4 Preparatory to starting the burner, both f of the valves 0 and E are closed. Then the" valve E is opened slight1y,-said valve hav ing at its rear end a hand wheel 6 by which 1t may be turned to produce this result.

When saidvalve has been moved slightl from 1ts seat, and the fuel (preferably oil and the oxygen supplying fluid (preferably air) are turned on, .a stream of car will be discharged from, the front end of the valve into the openin I) of the nozzle. Also a very thin annular stream of fuel will be discharged into the same opening b around the air stream. This annular stream of fuel being directed at an angle into the air stream will become fairly well mixed with the'air within the opening Z =At any rate, as the air and fuel are-discharged from the end of the nozzle the liquid fuel will have been atomized and pretty thoroughly mixed with the air so that it may be readily ignited and will burn freely.- The flame having been onceestablished, the operator by taking hold of thearms 0 will turn valve Grin the opening. direction, whereupon an annular stream of air will flow between this valve and the nozzle, which air stream will envelop the annular stream of fuel. But because of the inclination of the passage between them, this air will be directed in ward into the outflowing mixture of air and fuel which. liowsfrom the nozzle outlet' b so as to facilitate the mixture o'f-airvand fuel. By still further opening the valve G and by still further opening valve E,this flame may be enlarged to any size within the limits of thedevice. The proportions'of fuel and air may be accurately regulated. by the manipulation of the two valves, so that the oil will be completely consumed and a. hot flameproduced. V

It will be understood that the described burner may be used with a gaseous fuel, although it was especially contrived with reference to its efficiency as an oil burner.

Having described my invention, I claim:

In an oil burner, the combination of a chamber open at both ends and having an inlet at its side, a fuel nozzle disposed contrally Within said chamber and having a fuel inlet through the side,the front end of said nozzle being externally tapered and said nozzle having an internally tapered valve seat,-a ca valve which screws onto the front end of t e chamber and has a centrally tapered opening which is fitted to the tapered exterior surface of the front end of the fuel nozzle, said cap valve being provided with operating arms, a cap which screws onto the rear end of the chamber, a

valve which screws through the last named

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