USRE11657E - Hydrocarbon-burn er - Google Patents

Description

2 Sheets-Sheet 2,

R. Em Gm UB 0N R0 Bm ,.A NJW TD Y H No. 11,657.. ReissuedMar. 22, 18098.

n l/iA UNITED STATES PATENT OFFICE.

TnoMAs J. BEoUGi-I, oF BALTIMORE, MARYLAND.

HYDRocARBoN-BURNER.

SPECIFICATION forming part of Rcissued Letters Patent No. 1 1,657,`da.ted March 22, 1898.

Driginal No. 559,670, dated May 6,1896. Application for rreissue ild January 7,1898. Serial No..665,993.

To ctZZ whom it may concern.: l

Be it known that L TuonAs J. BROUGH, of

the city of Baltimore, State of Maryland, have invented a new and useful Improvement in Hydrocarbon-B urners, of which the following is a specication.

The object of my invention is to provide a hydrocarbon-burner for burning coal-oil or Acrude oil, either for heating or illuminating purposes, without the use of a wick, and which when used for heating purposes produces a blue blaze of the greatest heating capacity Without smoking or depositing its carbon; further, to provide means whereby the outletorifice may be thoroughly cleaned and at all times be of the same diameter.

To this end it consists in the peculiar construction and arrangements of the parts of the burner, which Iwill n ow proceed to dey burner-valve.

scribe.

Figure 1 is a side view, partly in section, of lmyimproved burner. Fig. 2 is an underneath or inverted plan view of the deiiector for the burner. Fig. 43 is a perspective view of the same. Fig. 4. is a vertical section of the Fie". 5 is a similar view showing a slight modifiation. Fig. 6 isa section, and Fig. 7 isa side view, of the burner-valve as constructed for mingling air with the oilvapo'rs. Fig. 8 isl a plan view of the slidevalve or cap, and Figs. 9 and l0 are respectively a sectional view and a plan view of a Vstill further modification 'of burnerfvalve.

Referring to Figs. to 1, 2, and 3, A is the oilfpipe, leading from the reservoir and terminating in a horizontal volute spiral coil B. i

D is a detachable deilector-plate for spreading the flame about the coil B and retaining the heat thereabout. This defiector consists of a central disk portion having three (more or v less) radial tongues cZ, ihat projcct downwardly through the central opening in the coil B and serve to hold the delector in place.

Said deflect-or also has an external ring ory flange d, connected at d3 to the 'central disk,

and between which ange and the central disk are left segmental openings d2, through which the hot products of combustion may pass. The inner end of coilBextends downwardly at B and connects with the case C of the burner-valve. This case A(see Figs. 4 and 5) is screwfthreaded interiorly at its lower end to receive a screw-threaded plug C', which is turned by a handle C2 to advance or withdraw the stem in the case. `The case C is enlarged or the stem C' slightly reduced at its upper end a to allow the oil from pipe B' to pass around it, and the upper end ofl the case is formed with a conical seat a3, terminating with an outlet. The upper end of the valve-stem has a pin a, the straight part of which is the exact diameter necessaryfo'r the full size of the vapor-o ntlet. This pin protrudes through the outlet in the case and has a shoulder a2,\vhich when the valve is shut bears against and tightly fits with a ground joint against the conical surface ot the seat a3. This seat as may have a single straight taper, as in Fig. 4, or it may have two different tapers at an angle, as inFig. 5. In either case the pin c passes throughthe outlet inthe case, guides the valve-stem, and the straight part ct sizes and cleans the vapor-outlet, while the shouldere2 tightly closes and shuts oii the escape of vaporor oil by coming to a `tight bearing againstthe conical. seat a3.

In Figs. 6, 7, and 8 I show a burner-valve for mingling air4 with the gas. The valvestem Gf has a slide-valve cap or section Cz l concentrically arranged on top of its stem e and connected to it for a swiveling action by a circular groovee in stem e and a pin e2 in the slide-valve cap C2, so that when C and c are turned C2 moves up or. down without turning, being prevented from rotating in the case by a groove e4, receiving a pin e3 in the case. the stem a. of the slide-valve or cap C2 are provided with alined longitudinal openings c' andkb', which admit air centrally.v to the flame and take it through the side of the case at two points, one through openings b3 in the slide-valve section and b4 infstem e, which register with a larger opening b2 in the side of the case, this latter opening being long enough not to cut off the air as the slide-valve moves up ondown. The other opening b' receives its airl through a slot b, extending about one-fourth around the case, so that it continues to'lreceive air as the screw-plug rotates in its adjustment. To pass the oil from pipe B' to thex outlet-opening in the case, the slide-valvescction C? is cut away on one side, as at a4 in Fig. 8.

The stem e of the rotary plug and also IOO As a further modification I may make the case with a cup-shaped upper end, as at f in Figs. 9 and 10, and form three (more or less) air-ducts g'through the edge of the case, entering obliquelyvthe cup-shaped receptacle and throwing air into the llame. f'

I am aware that I.various forms of burnercaps for hydrocarbon burners have been made; but I do not know that anysuch cap or deflector as mine has ever been constructed, which is designed for special combination with a spiral coil of pipe,v and in which a marginal vertical flange d at the'outer edge is connected to a smaller ycentral disk Dvby ra-Y f dial arms d3, so as to leae segmental spaces d2 between, and the` radial arms d3 are extend` ed down inthe center to form tongues d', that combustion pass up centrallyto the disk D and' v in special combination.

pass through the central. opening inthe coil and hold the cap or deflector against lateral displacement, so that the hottestfproducts of are then deflected'outwardlyto the segmental openings d2, serving i-n such passage to heat the oil in the coils, which then are eiectually heated tovolatilize the oil and yet afford no obstruction t0 the draft. or deilector, as composed of the disk D, mar-v ginal flange d, radial arms d3, and downwardly-extendin g tongue d', immediately below the disk D, is 'all cast in one piece,` and, as before suggested, iscorrelated to the coil I am also aware that valves havey heretofore been 'constructed in which a screw-plug has a reduced stem playing in the outlet-orilice and a shoulder behind the stem that had' sides parallel to the case and was adapted to 'come to a fiat bearing against the case. In my invention the shoulder has its sides out of parallel with the sides of the case and does not come to a iiat bearing; but the shoulder on the screw-plug is cut so as to'cause its sharpedge only to bear against the conical seatof the case. This not .only'centralizes the screw-plugand its regu- 45 lating-stem, but makes an absolutely tight fit that precludes the rleakingof vapor or oil I am also aware of the various forms of stems and needles ,in use in 'other' vaporgenerators, none of which to my knowledge perform the function of mine in maintaining "a uniform size for the gas or vapor outlet against deposit of carbonyaccumulation -of What I claim, and desire tosecure by Letters Patent, is-

' 1. `EInahydrocarbon-burner, the combina- The burner-cap" purpose sp'ecied.

tion with the burner outlet-orifice, a valve, a cylindrical sizing and cleaning stern carried by the valve and adapted to extend through said orifice and to size and clean the same, saidstem having a diameter equal to that of the orifice.

2. In a hydrocarbon-burner, the combination with a valve-easing having a burner outlet-oriiice, a valveseat, a valve plug and stem in said casing, of a cylindrical sizing and cleaning stem, integral with and extending beyond the valve', of a diameter equal to that of the orifice referred to and adapted to pass through, size and clean said orifice for the purpose specified.

8. In a hydrocarbon-burner, the combination withA a horizontal spiral coil having a vcentral opening and its end carried down and 'whereby the coils are heated without interfering with the yupward draft, `and the cap is securelybut removably held upon the coils substantiallyasand for the purpose described.

4. The air-mixing oil-burner consisting of the screw-threaded case with openings h and b2 in its side, and a conical seat and outlet at its upper end; the screw-plug C with chan- I neled stem e having peripheral groove e', the slide-valve or cap-section C2 concentrically mounted on stem e and provided with longitudinally-channeled stem a, lateral openings b3, pin e2, and means for preventing it from rotating, substantially as and for the purpose described.

5. The air-mixing oil-burner, consisting of vthe Ascrew-threaded case with longitudinal opening b2 and transverse opening b in its side and a conical seat and outlet at its upper end, the screw-plug C' with channel b,chan neled stem e having peripheral groove e', and opening b4, the' slide-valve or cap-section C2 concentrically mounted on stem e and provided with longitudinally-channeled stem a, lateral opening b3, pin e2, and a 'sliding pin connection c5 e4 substantiallyas and for the v THOMAS J. BROUGH. W'itnesses:

`-EDWIN S. CLARKsoN, RoBT. L. CAMERON.

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