US1276872A - Oil-stove. - Google Patents

Description

L. s. CHADWICK. I

OIL STOVE.

APPLICATION FILED Aua, |914.

Patented Aug. 27, 1918` 2 SHEETS-SHEET 2 jIfeno CIL,

, UNITED sTATEs PATENT oEEIoE. 'LEE s. cHADwIcK, 0E `EAST'CEEivEftA'lvn, oHIo, AssIGNoE. THE cEEvELANp iii/IETAL PRODUCTS coMrANY, 0E CLEVELAND, omo, A coRPoRATIoN'oE oHIo.

' oIL-sTOvE.

To all whom t may concern.'

Be it known that'I, LEE S. CHADWICK, a citizen of the Unitedk States, residing at East Cleveland, in the county of Cuyahoga and State of Ohio, have inventeda certain new and useful lImprovement in Oil-Stoves, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

This invention relates to oil stoves which are designed for use withy liquid fuel vand which, while capable of operation under more'general conditions of use','are particularly well adapted for the burning' of such fuel in places exposed to drafts and with the maintenance of a smokeless flame. Liquid fuel lstoves possessing` this capacity of `,operating when exposed to strong drafts are particularly useful as so called orchard heaters. Itis the general object of this invention toproduce a stove of this kind which, whilebeing particularly efficient in operation,l will -be at the same time extremely economical of production; also to produce'a stove of this character which is simple in construction, involving a miniin'um number of parts, and which can be readily assembledr anddisassembled for purposes of-packing and shipping; also to produce a stove of this character 'which may be conveniently7 replenishedwith fuel from time to time as occasion" may rrequire fand one which is particularly easy to clean and to maintain in operation. Further and more' limited objects will appear hereinafter' in connection with the detailed description and will be'emb'odied in the'combinations of elements set forthr in the claims forming part hereof. f

In the drawings, Figure 1 represents a central vertical sectional viewthrough av heater constructed in 'accordance with myv invention; Fig. 2 is a plan view of the heater shown in thepreceding figure, the shield and extinguisher hood being removed and a part of the upper burner cap being-'broken away to reveal theconstruction therebeneath, and Fig. 3 is a detail in perspective cfa part of and lowering' band. f

Describing by reference characters the various parts illustrated herein, 1 denotes theV outer wall, 2 the bottom wall, and 3 .the

inner wall of 4an open-top annular reserthe wick raising l ,Spevica-tion'of Letters Patent. Patented Allg". 27, 1918. y Application filled August 8, 1914. Serial No. 855,861.

Yvoir. The outer wall and the bottom wall may be conveniently formed from a single sheet of metal and the inner wall may be connected to the bottom wall in any approved manner, as, indicated at 4. This inner wall l'extends upwardly, preferably a little higher than the outer wall, where it is bent inwardly to form a horizontal shoul der, as shown at 5, thence upwardly to forni a cylindrical wall 6. Above the cylindrical wall 6, the metal from which the parts 3 6 are formed may be extended horizontally across the top of the space inclosed b'y thev wall 3, to form a cap 7, the cap being shown as provided with a plurality of perforations VThe burner which is to. be used in connection withthe stove is of the perforated commingling tube type, and the inner tube 9 may be. conveniently seated upon the .f

Y shoulder 5, fitting about the cylindrical wall 6,'to which it may be permanently secured, as Aby peening together the contiguous portions of the'wall 6 and the commingling tube 9, as indicated at 10. The inner com-A mingling tube is of a height suflicient to insure proper combustion and is shown as closed at its top by aV cap 11which may be united to the upper end of the tube in any approved manner.

The bottom bf the reservoir is provided with any suitable support which will elevate itto the desired height to admit air to the central tube 3. In the drawing, legs 12 are shown as usedfor this purpose, and said legs may be conveniently formed by metal straps bent to appropriate shape and secured to the bottom and to the outer wall of the reservoir, as by rivets 18.

The second part of the stove consists" gen- .1 t

be secured tothe cover in any approved raising band is provided `with the surface of the portion of the cover therewithin such aortion of the cover bein a l c preferably projected upwardly into an annular ring or corrugation, as shown at 19.

The inner edge portion of the cover is shown g tube terminates as projected downwardly to form a cylindrical wall 20, thenceinwardly to form a horizontal ledge 2l, thence downwardly to form a short cylindrical .walll 22, which cylindrical wallmay be secured to the outer wick tube 23 in any approved manner. The wick tube 23, when the parts are in the op-` erative relation to each other shown in'Fig. 1, preferably projects above the inner wick tube and is shown as provided at its top with a series of inwardly projecting fingers 24: constituting a stop for the upper edge of the wick. lThe bottom of this outer wick considerable distance above the bottom of the reservoir and is ared outwardly, as shown at 25, to provide with the adjacent portion of the inner tube 3 a flaring mouth for the wick. vThe seat provided by the wall 20 andvledgel 21 is adapted to receive the outer perforated comniingling tube 26, which may be secured to the wall 20, if desired, as by peening together the overlapping metal-parts.

27 denotes the wick, which is inserted in the wick space provided between the tubes 3 and 23. -This wick is preferably of considerably lless thickness than the 'width of the space between said tubes, andthe upper and outer surface of the wick is engaged by a carrier band of peculiar construction. This band is a continuous annular bandk 28 which is of such diameter as to extend about theuppenpertion of the wick and at the same time provide a free clearance space with' the outer wick tube. The band is in effect a segmental band, the segments being shown as provided by and between k'angular metal strips, one flange 29 of each angle strip projecting inwardly and preferably radially, the other [lange 30 affording means by` which the strip may bey secured to the ring in any suitable manner, as by riveting or soldering. In the drawing, four such strips are provided, whereby the band is di- .vided into four segments, but it will be evident that the number of strips and segments may be :varied to suit the requirements of any particular installation. The wick with a plurality ofV inwardly projecting spring lingers 31, which maybe conveniently. cut from the metal of the band and which are adapted to press against and into the outer surface of the wickand form a means of engagement between the wick and the band whereby the wick may bey raised and lowered through the corresponding movement of the band. At its upper end, the band is shown as provided with inwardly project-ing fingers 32, which serve as a stop for the top of the wick. For the purpose of raising and lowering the band, a bail 33 is provided, said bail'extending upwardly in the space between the connningling tubes 9 and 26 and above and across the cap 11 of the inner commingling tube. The connection between the bail and the ring may beconveniently made by means of upwardly projecting straps 341, formed from'the metal vof the band and of about the same gage as said metal towwhich the lower ends of the bailV may be suitably secured. The ring 2 8 yis shown as provided with a suitable number ofperforations. y Y

The segmental feature of the ring .permitsthe employment of a built-up or vsegmental wick forme'd from a number of independent wicks, each of suitable width to fit between adjacent ribs or anges 29. It also permits of a convenient regulation of the size of the flame and a consequent regulation of the heat evolved from the stove. 1f it is desired to operate the burner at less than y maximum capacity, one or more of the wick segments may be pulled downwardly below the fingers 32 se as to be out of operative relation when the wick band is elevated. The burner will then operate with the vapor evolved from the remaining segment or segments. Vhen it is desiredfto operate the burner at full capacity, all of the wick segments will be abutted against the stop fingers 32 whereupoinwhen the band 28 is elevated against the stops 24, the burnerwill operate at full or maximum capacity.

As in the case with my application No. 855,462 filedrAugust 6, 1914, the stove consists essentially of two assemblies, one assembly being constituted by the open-top reservoir with its attached inner wick tube, the inner ,corinningling tube, the wick,y and wick raising band and bail, and the other assembly being constituted by the removable cover carrying the outer commingling tube and also (when necessary) the shield 18. ldlhen it is desired to extinguish the flame or to protect the burner parts against rain or other weather conditions, an extinguisher hood 36 may be employed, said extinguisher. hood being preferably frusto-conical in shape and suiciently larger than the shield 18 to extend above and about the same. Prior to applying this extinguisher hood, the wick will have been lowered through the bail and the bail thereby moved downwardly a. sufficient distance to receive thereabove the top Aof the extin uisher hood.

iVhen it is desiree to fill the reservoir, it

.is necessary only to remove or tilt the cover 14, which will enable the operator to pour the liquid fuel directly into the reservoir without any funnel or special filling appliance. The wick may be lighted when the cover is thus removed or tilted, or the wick may be ignited by means of a hydrocarbon igniter, whereby burning fuel, such as gasolene, may be dropped into the top of the space between the wick tubes. Whenit is desirable or necessary to clean the commingling tubes, this operation may be performed in a particularly convenient manner, vby removing the cover whereby the inner surface of the outer tube and the outer surface of the inner tube will be exposed for the application of a brush or any other suitable article. The wick band with its attached wick segments may be applied when the cover and its attached parts are removed.

The stove or heater -shown herein is eX- tremely efficient'in operation,lnot only in its ability toeffectually heat the surrounding atmosphere but in its immunity from smoke and from extinguishment and serious interference by drafts.` With a heater such as disclosed herein it is possible to heat an orchard efficiently without damaging the fruit and without the necessity of Washing the fruit for removing therefrom the carbon stains which will be deposited thereon by a smoky flame Furthermore, the burner, while not dependent upon any ne and impractical mode ofadjustmentfor regulating the heat, may neverthelessbe adjusted in a convenient and eiicient manner to secure such variation in capacity as vwill adapt it forall ordinary incidents of use, and this regulation can be effected in a convenient and practical manner.

Y -While the possession of the advantages referred to hereinbefore necessarily makes the heater lpeculiarly efficient as an orchard ing my invention to this one use, since, because-of its eiiciency and freedom from smoke, it is applicable to the heating of water, the heating of garages and other inclosed spaces, and is generally useful whereever 'efficient heating is desired.

While I have described my invention in detail in connection with the embodiment illustrated herein, it is to be understood that Ido not thereby limit my invention to such details of construction and that these details may be varied, or departed from, more or less without avoiding the spirit of my invention. 'v

Having thus described my invention, what I claim is 1. In a stove of the character described, tliefcombination offan open top reservoir having an inner wick tube and a perforated innerV commingling tube, a removable cover for the reservoir having a depending outer wick tube adapted to surround the inner wick tube and an outer perforated commingling tube, a wick in the space, between said wick tubes, and a ywick raiser connected with said wick and having an operating device extending upwardly between the commingling tubes and across the top of the inner commingling tube.

2. In a stove of the character described, the combination of an inner wick tube, an outer wick tube, commingling tubes extending above the wick tubes, a wickn the space between said wick-tubes, and a wick raiser for the wick having an operating portion extending upwardly between the commingling tubes and across the top of the inner commingling tube.

3. In a stove of the character described, the combination of an open top reservoir having a wick tube, awick surrounding the wick tube, a wick band applied to the eX- terior surface of the wick and having an upwardly projecting operating device connected thereto, a removable cover for the reservoir, and a wick tube depending from said cover and adapted to surround the first mentioned wick tube and form a wick'space therewith.

4. In a stove of the character described, the combination of an openr top reservoir having an inner wick tube, a wick surrounding said tube, a band surrounding the wick, an operating device connected with' said band and projecting upwardly therefrom, a removable cover for the top of the reservoir, an outer wick tube depending from said cover and adapted to surround the inner wick tube and inclose the wick therebetween, and means projecting inwardly from the outer wick tube and adapted to limit the movement of the wick.

5. In a stove of the characterldescribed, the combination of an open top reservoir having an inner wick tube, a wick surroundy the combination of an open topreservoir having an inner wick tube and a Vperforated commingling tube above said wick tube, a wick surrounding the inner wick tube, a band applied to the outer surface of said wick, a bail projecting upwardly from said band and extending across the topy of the commingling tube, a removable cover for the top of the reservoir, said cover having'an outer wick tube depending therefrom and adapted to surround the inner wick tube, said outer tube being provided with "iniso wardly projecting fingers at its top constitutingstops for the wick, andan outer peroratedk coinmingling tube carried `by the cover and extending` upwardlyk from the outer`r wick tube.

In a stove ofthe character described, the combination yof an open top reservoir having an inner wick tube yanda perforated conimingling` tube above said wick tube, a wick surrounding the inner wick tube, a band applied to said wick, an, operating device connected to said band and, extending alongside the commingling tube, a removable 'cover for the topof the reservoir, 4said cover having anV outer wick tubevdepending therefrom and adapted to surround-the finner wick tube, and an outer pent'oratedconiminglingtubc carriedby the cover and extending upwardly from the cuter wick tube.

8. In a stove of the character described, the combination of a reservoir having an open topy anda vertical wicktub'e extend? ing therethrough, a perforated inner cominingling tube extending above the first rmentioned tube, a cover removably applied to the reservoir, aE tube depending from the cover and surrounding the first mentioned tube and forming therewith an annular wick spacea series. of:` fingers projecting from oneof the wicktubes and forming a wick stop,a wick in the wickk space, an outer, commingling tube extending .upwardly 'from the upper end of the tube carriedby thecover, and a wick raiser having` operating. means above the inner commingling tube lfor raisingV and lowering said wick.

9. In a stoveof'the character described, the combination of a reservoir havingl an open top anda vertical wick tube extending therethrough, a perforated inner commingling tube extending above the first mentioned tube, a. cover removably applied. to the reservoir, a tube depending from the cover and surrounding. the first mentioned tube andjorining therewith an annular wick space, a series of fingers projecting from one ofjthewick tubes and forming Aa wick stop,

a wick in the wick space, an outer commingling tube extendingupwardlyfrom the upper end of the tube carried by the cover, and an adjustable device for retaining said wick at various` elevations along the inner wick tube.

l10. In a stove of the character described, the combination of areservoir having a wick tubetherewithin, a perforated inner com minglingtube extending above the first inentioned tube, a cover removably applied to the reservoir, a wick tube depending from the cover and surrounding the iirst mentioned tube and forming therewithan annular wick space, a wick stop carried by the covera wick inthe space between the wick tubes, yan outer .commingling tube extending upward( from about y.the `upper end of' the outer wick tube, and wick adjusting mechanisni for retaining the wick at various eleva' open top andlavertical tube extending therethrough', a perforated inner commingling tube extending above the first mentioned tube, a removable cover for the top of said receptacle having an opening and' a tube projecting downwardly from said7 opening andv forming with the first mentioned tube an annular wi k space, an outer perforated commingling tube projecting upwardly out'- side the dependingtube, a wick in the wick space, a wick-engaging device for said wick, a pair of diametrically opposed straps connected with said device and projecting into the space between the commingling tubes, and operating means connected with said straps.

19. In a stove of the character described, the combination of an open top reservoir havingl a vertical tube extending therethrough, a perforated inner Commingling tube extending above the wick tube, a wick surrounding the wick tube, a wick band applied to the wick, a bail connected to said wick band and extending upwardly and across the top of the commingling tube, a removable cover for the reservoir, a wick tube depending from said cover and forming with the first mentioned wick vtube an annular wick space, said tube having one or more stops at its top adapted to limit the raising movement v of the wick, and a perforated outer commingling tube carried by the cover and extending above the wick tube.

13. Ina stove of the character described,

the combination of' an innerand an outer wick tube, a wick band in the space between said tubes, and a wick operatively connected to said band,` said wick comprising a plurality of wick segments at least one of which is vertically adjustable with respect to Said band.

let. In a stove of the character described, the combination of an inner and an outer wick tube, a wick band in the spacebetween said wick tubes, and a'wick operatively connected to said band, said wick comprising a plurality of wick segments, at lea-st one of said segments being vertically adjustable with respect to said band, and operating means connectedwith said'band whereby the wick assembly may be raisedv and lowered.

15. In a, stove of the character described, the combination of an inner and an outer wick tube, a band mounted in the space within Vsaid wick tubes, said band being divided into a plurality of segments by vertically extending ribs or fianges, wick segments applied to the band between the ribs or fianges, and wick engaging means carried by the band between leach pair of ribs or flanges,

iio

whereby the tops of the wick segments may be adjusted with reference to each "other thereby to vary the eiiective Yvapor generating space at the top of the complete wick.y

In an oil stove, the combination of inner and outer wicktubes, a wick bandv in the space between said tubes, said band being divided into a plurality of cylinder segmental sections, a plurality of wick segments corresponding to the band sections vand interposed between the wick band and one of the wick tubes, at least one of said wick segments being vertically adjustable with respect to said band thereby to render oneor more segments oi the wick inoperative for vaporizing purpose when it is Adesired to operate thestove at less than full capacity.

17, In an oil'stove, the combination of inner and outer wick tubes, a wick band interposed in the space between said tubes, a wick comprising a plurality oflwick segments interposed between the wick'band and one of the wick tubes, atleast one of said segments being vertically adjustable with reference to said'band.

18. In an oil stove, thecombinationofl inner and outer wick tubes, a lsegmental wick band therebetween, a plurality of wick segments corresponding to the wick band segments and interposed between the wick band and one of the wick tubes, at least one of said wick segments being adjustable with reference to the top of the band, thereby to correspondingly vary the effective vaporizing area at the top of the wick, and means for raising and lowering said wick band.

19. In an oil stove, the combination of inner and outer wick tubes, a wick band therebetween and a plurality of wick segments interposed between the wick band and one of the tubes and independently adjusta'ble in the space between the band and the wick tube whereby the eli'ective vaporizing area at the top of the wick may be varied.

20. In an oil stove, the combination of inner and outer wick tubes, a segmental wick band therebetween, a plurality of wick segments corresponding to the band segments and interposed between the band and one of the wick tubes, and stops carried by the wick band and located in substantially the same horizontal plane for limiting the elevation of the wick segments, 'at least one of the wick segments being adjustable with reference to Said stops thereby to vary the vapor generating capacity of the wick.

21. In an oil stove, the combination of inner and outer wick tubes, a wick band therebetween, a plurality of wick segments interposed between the band and one of the wick tubes, said wick segments being vertically adjustable, and a common stop. device which determines the maximum elevation of the wick segments.

la as @il steve the combination olf adjacent part inner and outer wick tubes, a segmental wick band in the space between saidtubes, said band havinga pl'uralitfy'f` of wick stops arranged in a common horizontal plane, a plurality of wick segments corresponding to the band segments and adapted to beengaged by the stops at their upper ends thereby to limit their vertical adjustment with reference to the band, said wick segments being independently adjustable with reference to said stops, a raising and lowering device connected to said band, and one or more stops extending over the space between the wick'tubes from ali-adjacent part of the stove and arranged to limit the elevation of ther band. j

23. In an oil stove, the combination of inner and outer wick tubes, a Wick band in the space-between said tubes, a plurality of -wick segments interposed between said band and one ofthe tubes, at least oneof said segments being vertically adjustable, a raising' and lowering device connectedv` to r"said band, and one or more stops extending over the space between the wick tubes from an of the stove and arranged to limit the elevation of the band.

24. In a stove of the character described, the combination of an open top reservoir having a vertically extending wick tube and .a perforated inner commingling tube eX- tending above the wick tube, a cover removably supported by the reservoir and having an outer wick tube cooperating with the inner wick tube to form a wick space there` with and also having an outer commingling tube projecting above the outer wick tube, a wick band in the space between said wick tubes, said wick band having means for limiting the height of the wick, said means being located in substantially the same horizontal plane, a plurality of wick segments interposed between said band and one of the wick tubes and respect thereto, means carried by one of the wick tubes for limiting the elevation of the wick band, and means whereby said band may be raised and lowered.

25. In a stove of the combination of a pair of wick tubes, a

wick band in the space between said wick vertically adjustable with the character described,

the combination of an open top reservoir having a vertlcal wick tube and a commiflslhs @be essere aber@ the Wick tube, a removable cover for the reservoir having a depending outer wick and a ,perorated oonimingling ltube projecting. above such wiel; tube, a wiok band in the space between the wick tubes, a plurality of wiek segments interposed between said bandand one ofthe wick tubes and vertioallyiadjustable with respect thereto, means Carried by the wick-band and 'arrangediin substantially the rsame horizontal plane for limiting the vertical adjustment yof the wick segments, a Iplurality of lingers carried by one of the wick tubes and overhanging the top 'of the, iwiok'spaoe and adapted to ylimit the` eleva- 'j and lowered.

tion of the wick band, and means whereby 'the band may be raised and` lowered.

27. lnta stove of the character `described, the combinationof a pair of wick tubes, a lwiek band in the `space between -the wick tubes, a plurality ofL wick segments interposed between said band and one of the .wick tubes .and vertically adjustable with respect to said band, means earriedfby the wick band and arranged in substantially the same horizontal pla-ne for limiting the vering area of'the top of the wick may be varied, and'nieans whereby the wiok, composed of such adjustable segments, may be raised In testimony whereof, I'hereunto allix my signature in the vpresence of two witnesses.

LEE S. GHDWGK.

Y. V`Witnesses SHEPPARD,

D. S. SMITH,

'tical Vmijustment of the wick segments, and

Copies of thisgpatent may be obtained forfve cents each, by addressing the Commissioner of ''teiits Washington, D. C. j.

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