US1343645A - Heating-stove - Google Patents

Description

e. s. ScAn'onouGH.

HEATING STOVE.

APPLlcAwN man hv/2.1919.

Patented June 15, 1920.

2 SHEETS-SHEET l.

G. G. SCAHBOROUGH.

HEATING STUVE'. APPLICATION FILED MAY 2. I9I9.

Patented June 15, 1920.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

GEORGE G. SGARBOROUGH, 0F GIRDLETREE, MARYLAND.

Application filed May 2, 1919.

shipment, and may be quickly and con veniently assembled.

A further object of the invention is to provide a stove of the above -mentioned character, having a magazine feed for the fuel, such as coal or the like, together with means to prevent the fuel being subjected to the action of excessive heat, for a substan-` tial period, prior to itsV introduction into the fire box of the stove.

A further object of the'invention is to provide a stove of the above-mentioned character, which is simple in construction, inexpensive to manufacture, strong and durable.

Other objects and vention will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification, and in which like numerals are employed to designate like parts throughout the same:

Figure l is a central vertical longitudinal sectional view through a stove embodying my invention;

Fig. 2 is a horizontal sectional view, taken on line 2-2 of Fig. 1;

Fig. 3 is a similar view, taken on line 3--3 of Fig. l;

Fig. 4 is a perspective view of an inner shell included in the stove;

Fig. 5 is a similar view of a sealing ring or washer;

Fig. G is a similar view of an annular cap or cover; and,

Fig. 7 is a similar view of a fuel feeding magazine.

In the drawings, wherein for the purpose of illustration is shown a preferred embodi ment of my invention, the numeral 10 desig nates a cylindrical body portion, having a grate 11, which divides the same into an upper lire-box 12 and a lower ash-pit 13. The

Specification of Letters Patent.

advantages of the in- HEATING-srovn.

Patented June 15, 1920. Serial No. 294,243.

body portion 10 is supported by legs 14, and

a swinging' door 15 controls access to the ash-pit and may be employed to regulate the entrance of air beneath the grate 11.

At its upper end, the body portion 10 is provided Vwith an annular heat absorbing and radiating element 16, having a substantially thick cross sectional area. This element has a lower inclined face 17, and is pro vided with an upstanding annular iange 18.

The numeral 19 designates a doubled wall casing, arranged upon the element 16, andV embodying an outer cylindrical shell 20, snugly receiving the annular flange 18, and forming therewith a gas-tight joint. This doubled wall casing further comprises an inner cylindrical shell 21, having a substantially smaller diameter, providing an annular passage22 for the escape ofthe heated gases and products of combustion. This inbeyond the same to rest upon the fiange '18.

The numeral 27 designates a preferably vertical tubular fuel feeding magazine, eX- tending longitudinally through Y' the inner shell 21, and through an opening 28, lin the bottom 23 of the inner shell 21. The magazine 27 fits loosely in the opening 28 and is provided with an annular flange 29 contacting with the bottom, to support the magazine, and closing the opening 28, thereby efJV fecting a gas-tight joint between the magazine 27 and the bottom 23. The lower end of the tubular magazine 27 projects into the upper end of the fire-box 12, as shown. The upper end of the tubular magazine 27 eX- tends through an opening 30, 'formed in the lid 24, and this opening is preferably larger in diameter than the magazine. The opening 30 is covered by a sealing ring or washer 31, snuglyv receiving the upper end of the magazine 27, and slidably contacting with the upper surface of the lid 24. Particular attention is called to the fact that the magazine 27 has a much smaller diameter than the inner shell 21, thereby providing a dead air chamber 32 which is annular in horizontal cross section and surrounds the magazine 27, such space 32 having a substantial cross sectional area and serving as eiective heat Vner shell 21 has abottom 23, while its top is l insulating means between the magazine 27 and the passage 22. It is thus seen that the Aio coal or fuel within the upper portion of the magazine 27 will not be subjected to excessive heat, for effecting its destructivedistillation, for a substantial period, prior to its discharge from the lower end of the magazine, into the fire-box. The fuel in the lower portion of the magazine substantially closes the same thereby protecting the fuel in the upper.portionffrom excessiveheat. As the fuel in the lire-box isconsumed, the fuel in flange 37,.such lid being preferably equipped witlifa handle 38. T he cover 32 is provided outwardly ofi its tubular portion 35 with a tubularcoupling 39., adapted 4for vconnection with a stove'pipe 40, in communication with the passage 2 2, forlthe escape of the products of combustion.

In the use .off` he stove,rthe lire is built in Vthe fire-boX l2, and-the fuel .for thispurpose may lbe .introduced .through the magazine fterthe fireis started, .coal or the like isl fed into the magazine nre-box is substantially filled vwith Vthe coal and `the tubular. magazine -is also substantially filled. The products of combustion or heated gases dischargey through :the passage 22 .of the` doubled wall ,casing 19, :and

27, until the i through the stove pipe 40 to the atmosphere. T he chamber 32 serves to effectively insulate the tubular magazine 27 by the passage A22. The coal in the lower endV of the magazine substantially closes the same, thereby preventing the vproducts of combustion traveling upwardly therein, and protecting the coal in the upper portion thereof from the `action of excessive heat, which would tend to effect its destructive distillation.

It `is to be understood .that the form of my invention herewith shown'and described is to be taken as the preferred. example of the same', and that various changes in the shape, size, and arrangement ofparts may be resortedyto without departing fromthe spirit of my invention or the Y`,scope of-the subj oined` claim. Y

Having thus claim: e Y i Y- ln a self-.feeding stove, Vthe i combinat-ion with an outer shell and an inner'shell ardescribed my invention, I

'ranged within the outerf slielland spaced therefrom, saidinner shell being provided with a bottom having a central opening and a cover forfsaiddnner shell, said cover .being providedwith'an opening-in alinement with the-bottom opening,of a fuel magazine ar- Y ranged within `said inner *shell and projecting beyond `the ends thereoffsaid magazine being provided-with a flange adapted to rest upon` thel bottom` of said inner shell-to 'support the magazine, a `sealing ringsnugly fitting said `magazine and resting onsaid cover, atop having an outer 'fiange to engage said outer shelland an inner flange toreceive said magazine'fand maintain it inposif tion, and a cover for said magazine rest- Jing on saidftop. I v

In testimony whereof laflix iny signature.

.GEORGB G. SCARBORQUGH.

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