US641044A - Oil-stove. - Google Patents

Description

Patented lan. 9, |900.

@iwf/#0% A J SCHUETT DIL STOVE (Application filed Feb. 26, 189B.)

No. 64I,044.

(No Model.)

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ANTHONY J. SOI-IUETT, OF OIIIOAGO, ILLINOIS.

OIL-ISTOVE.

SPECIFICATION forming part of Letters Patent No. 641,044, dated January 9, 1900.

Application filed February 26, 1898. Serial No. 671,842. (No model.)

To @ZZ wil/0717. t may concern:

Be it known that I, ANTHONY J. SCHUETT, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Oil-Stoves, of which the following is a specification.

My invention relates to improvements in stoves adapted to burn hydrocarbon oil, and it relates more especially to oil-burning heatin g-stoves.

My'invention consists in 4the general construction of the stove and burner, as well as in details of construction and combinations of parts, all as hereinafter set forth and claimed.

In the drawings, Figure l is a broken vertical section of a stove constructed with my improvements; Fig. 2, an enlarged vertical secw tion through the burner and burner-casing, and Fig. 3 a top plan view of the burner relnoved from its casing.

A is the shell of the stove, provided with an upper door t and a door s at the base. The stove is preferably cylindrical in cross-section and provided at the top with a cover A.

vIn the cover is a series of draft-openings r,

though, if desired, these openings may be in the body portion of the stove near the cover. In a plane just below the upper door-open ing is an annular shelf q, upon which rests thel burner-casing B, consisting of a dishshaped casting diminishing somewhat toward the base, and provided with an outer flange 1J at the top, which rests upon the shelf q, an

inner annular shoulder p', and an annular" series of openings p2 near its base. The base p3 is fiat and affords a defiectingplate.

B is the burner, formed of lower and upper rings or members um. The ring ormember n is provided with a shoulder n to tit upon a shoulder p4 in the casing, an upwardextending outer circumferential flange n2, provided with an inner thread, and a smooth and horizontal top surface n3, formed with annular concentric recesses n4 a5, respectively. The upper ring or member m is threaded around the circumference to screw into the flange n2 of the lower member and is provided with a flat under surface m' to extend parallel with the surface n3 of the lower member. In the surface fm.' is an annular recess 'm2, which registers with the recess n4, and extending through the member m to the channel formed by the recesses n4 m2 is an oilfeed opening m3, surrounded at its upper side by an internally-threaded boss 'm4, adapted to receivethe threaded end of an oil-supply pipe Z. The surfaces 'n3 m are ground smooth, so that when the upper member mis screwed down the surfaces lit together with sufcient closeness.

inner annular shoulder p' at the top of the casin g B is an annular covering plate or ring B2, having a central round opening and a series of draft-openings i. Resting upon the plate B2 is a damper-plate B3, having a circular flange h on its under side fitting the opening 1l and a series of openings h', which in the turning of the damper may register more or `less with the openings t" to regulate the draft. The oilsupply pipe Z extends through the covering-plate BZand out through the side of the stove above the burner, Where it connects with a suitable hydrocarbon-oilsupply tank. (Not shown.)

On the inner wall of the stove is a shelf q', on which rests a stove-lining q2, of fire-clay or other refractory material, extending upward to the shelf q, and thus surrounding the burner-casing- A2 is the outlet-flue or stovepipe, which enters near the base of the stove below the shelf g and extends downward at the center of the interior of the stove to a point near the base of the latter, as shown.

In operation oil admitted through the pipeZ` ilows into the channel n4 'm2, which is shallower at the opening m3 than at the opposite side, as shown. The burner membersm n are adjusted so that the oil will flow in desired quantity from the said channel to the channel n.5, and thence through the burner-opening 7o, where it is ignited. Initially some of the oil will drop into the base of the burner-casing, and may there be lighted with a match, passed through the door t, and dropped through one of the openings t" into the burner-casin`g. The flame quickly heats the burner members, so that as the oil enters the burner-channe1s it vaporizes and escapes from the burner-open- IOO ing lr. in the form of hydrocarbon gas, being ignited at the burner-opening. The channels thus form a vaporizing-chamber. Air to supply combustion enters through the openings r at the top of the stove and passes downward through the openings at the damper B3. The products of combustion descend from the burner-opening into the casing, and in escaping through the openings p2 in the sides of the lower part of the burner-casing play against the stove-lining q2. The hot products of combustion descend along the inner wall of the stove around the flue A2 to the base of the stove, and there escape through the centrallyplaced mouth of the iiue.

Owing to the fact that the burner members are joined with screw-threads a very exact adjustment may be made to regulate the size of the burner-opening, and as the hot products of combustion are deflected by the burn ercasing against the inner wall of the stove at all sides the entire radiating-surface of the stove below the burner is heated equally, which would not be the case were the mouth of the outlet-flue at one side instead of at the center of the combustion-chamber. On the cover B2 of the burner-casing are lugs or projections 2, usually provided upon burners of this character, and which will afford a support for a vessel. If it is desired to heat water or the like, a vessel iilled therewith may be passed through the door t to rest on the lugs i2. On the member m of the burner is a lug m5, to be used as a handle in adjusting the size of the burner-opening.

The burner and draft openings may be readily adjusted to effect the most perfect combustion. As the hot products of combustion are deflected against the lining q2 the shell will not be injured by the direct contact of the llame, and as the heat descends-along the wall of the shell it keeps the latter hot, none of the heat being wasted by flowing directly to and out of the stovepipe.

What I claim as new, and desire to secure by Letters Patent, is-

l. Adowndrafthydrocarbon-stove comprising an outer shell or casing provided at its top with draft openings or passages for the admission of air, a hydrocarbon-burner arranged within the said shell or casing and below the said draft-openings, a detlector arranged beneath the burner, and a smoke-pipe arranged to receive the fumes of combustion from beneath the said deflector.

2. In a heating-stove, the combination of the combustion-chamber provided with an air-inlet opening toward the top, an outletflue extending from the lower central portion ofsaid chamber, a hydrocarbon-burner in the chamber above the mouth of the outlet-flue, the casing of the burner filling the chamber transversely, adjustable air-inlets in the casing above the burner proper, and a deflector between the burner proper and the outletflue operating to direct the hot products of combustion against the sides of said chamber,- substantially as and for the purpose set forth.

3. In a heating-stove, the combination of the combustion-chamber provided with an air-inlet opening toward the top, and an outlet-flue extending from the lower portion of said chamber, a shelf in said chamber above the outlet-flue, a iianged burner-casing supported on the shelf and closing the chamber transversely, a hydrocarbon burner in the casing, adjustable airinlets in the casing above the burner, outlets in the casing below the burner and a detlector between the burner and the outflet-flue operating to direct the hot products of combustion against the sides of said chamber, substantially as and for the purposes set forth.

4. In a stove, the combination with the airinlet and the outlet for hot products of combustion, of a hydrocarbon-burner, between the said inlet and outlet, comprising upper and lower members forming between them an annular vaporizing-chamber and an inner annular bu rner-openin g,the members being provided with intermeshing screw threads, whereby they are turned one upon the other to regulate the size of the burner-opening, and a hydrocarbon-supply pipe extending to the vaporizing-chamber, substantially as described.

5. In a heating-stove, the combination of the combustion-chamber provided with an air-inlet opening toward the top, an outletflue extending from the lower central portion of said chamber, a shelf in the casing, a lining in the casing below the shelf, a burnercasing flanged at its upper end and supported'by the shelf, and having adjustable air-inlets at the top and outlets near the bottom, a hydrocarbon-burner in the casing between the inlets and outlets, and a deflector below the outlets operating to direct the hot products of combustion against the lining of the chamber, substantially as and for the purposes set forth.

ANTHONYl J. SCHUETT.

In presence of RICH T. SPENCER, DAN W. LEE.

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