US75073A - Improvement in ash-pahs - Google Patents

Improvement in ash-pahs Download PDF


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US75073A US75073DA US75073A US 75073 A US75073 A US 75073A US 75073D A US75073D A US 75073DA US 75073 A US75073 A US 75073A
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    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/07Roasting devices for outdoor use; Barbecues
    • A47J37/0704Roasting devices for outdoor use; Barbecues with horizontal fire box


e. w SWETT.
Cooking St Pat ent ed March 3, 1868.
ignite}! grates gaunt @ffirr.
Lam-a Patent No. 75,073, detail Mai-8h s, 1868.
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Be it known that I, GEORGE W. SWETT, of the city of Troy, in the county of Rensselaer, and'State of New York, have invented certain new and useful Improvements in Cooking or otherStoves, Heaters, Furnaces, or Fire-Pots, or Fire-Chambers, wherever the same may be applied for the purposes hereinafter named and-set forth; and I do hereby declare that the following is a full, clear, and exactdescription of the same, reference being hereby had to the accompanying drawings, and to the letters of reference marked thereon, and which make a part of this specification. I
I Like letters represent and refer to like or corresponding parts.
Figure 1 is a perspective view of a cooking-stove containing my invention and improvements herein named I and set forth.
Figure 2 represents a perspective view of the ash-pan drawer of my invention, and hereinafter fully described and set forth. I I
Figure 3 represents a vertical section on a line through the centre from front to rear. Figure 4 represents a vertical cross-section, taken on a line through the fire-chambcr, or chamber of combustion.
Figure 5 also represents a vertical section from front to rear, showing an air-flue over the top of the oven, and connected with air-fines in the front part of the stove, and described hereinafter.
Figure 6 represents a vertical section crosswise the fire-ch amber or chambers of combustion, and of'the ash-pit and hearth of the stove, as also does Figure 8, and are each for the purpose of showing the changes or difierent places or manner of admitting the air to the air-fines in the front part of the stove, and around and near "to the fire-chamber, or chamberof combustion; and
Figure 7 shows a plate with damper-openings therein All of which figures, and the invention and improvements, and part or parts thereof, are hereinafter more fully described and set forth. I I
The nature of my invention and improvements consists in the employment of an ash-pan drawer arranged and combined with thehearth of any stove where the same may be applied, with fines or air-chambers surrounding the same for the purpose of admitting cold air, or air highly heated, as the case'may require, to the fire in the fire-chambendirectlyunderneath the same, and through the fire-grate, in the manner and by the means substantially as hereindescribedand set forth.
It also consists in the construction of anash pan drawer for stoves, substantiallyas shown at fig., 2, so that the same is entirely enclosed, excepting the damper-opening in front part and that part directly'underneath tthe firergrate, which is opened, so as to admit the material falling from the fire-grate above, thereby receiving the coal and ashes from the fire-chamber without any dust rising into the room when the same is in use, and the'whole being so arranged underneath such fire-grate, and in the hearth or front of the cooking-stove, as to throw and circnlatehighly-heated air in that part of the stove for warming orbaking purposes, and at the same time to promote or cause a slow but certain combustion of fuel in the fire-chamber, therehy greatly economizing in theuse, offuel, and at the same time retaining all the heatarising therefrom, and so circulating and equalizing as to permit the use of any part of the stove for cooking, baking,'or warming purposes, in the manner and by the means substantiallyas hereinafter described and set forth.
Having thus set forth the nature or main feature of my. invention and improvements, and to enable others skilled in the artto which it relates to construct and to use the same, I will here proceed to describe the con struction and operation thereof, which is as follows, to wit: I
The-oven and the surrounding or oven-fines of my said stove may be constructed in the usual and wellknown manner, and of any size or capacity. The fire-chamber, or chamber of combustion, may also be contstructed in the usual way or manner. The outside plates of the stove may also be constructed in the usual way, and with such ornamental work or design as may be deemed best to use. The ash-pan drawer, A, is con structe d substantially as shown at fig. 2 of the accompanyingdrawings. It may be of cast or sheet iron, in such form or shape as shall be suitable for the hearth of the stove where it is tobeused. In the front part of said ash-pan drawer-I construct the damper a, fig. 2, having a sliding cover of the usual construction, so
that the said damper-openings may be closed if found necessary $6 to do.- The said damper'may be arranged in any part of said front plate of said ash-pan deemed best. The front plate of said ass-pan drawer'I cover with the plate Z1, same figure, which projects over the ends of said ash-pan drawer far enough to form the flue c, fig. 4, at each end thereof, and by means of which the said ash-pan is correctly put into proper place and position for use in the hearth of the stove. The said covering-plate 6 is for the purpose also of covering the front part of said drawer, so as to prevent the dust, ashes, or other material, which may come from the firegrate into the rear part of such ash-pan, from passing into the flue surrounding the same, and thus and thereby prevent the escape thereof into the room or placewhere said stove is in use. And it also serves to direct the heated air which passes into the damper-opening cl, figs. 1 and 3, down the flue-space e, and flue-space f, and flue-space g, same figure, and into the said damper a. in the front part of-said ash-pan drawer, and thus and thereby it forms the core or inner part necessary to construct the surrounding flucs herein described and set forth. The said covering-plate I) may be cast upon or with'the box part of the said ash-pan drawer, or it'may be cast and detached therefrom, and so combined with the top part thereof as to permit the use of the same for the-purposes aforesaid. .The ash-pan drawer stands or rests upon legs or downward projections 71, fig. 2, on the front and rear part thereof, and thus is formed the bottom flue 2', figs. 3, 4, and 5, and at same time the rear part of the said ash-pan drawer aids in the formation 0f the back fluej, figs. 3 and 5. It will now be seen that.
when said ash-pan drawer A is put within the hearth of the stove, and therear part thereof underneath the fire-chamber, inthe mannersubstantially as shown at figs. 3, 4, and 5, there are air-fiues or spaces formed upon each side thereof, between the sides and the outer plates of the stove, substantially as shown at said figs. 3, 4, and 5, and which may be of any capacity required. Atmospheric air is admitted to these flue-spaces or chamhers thus formed through and by means of dampers, substantially as shown in the drawings. If the air is admitted at damper cl, figs. 1 and 3,then dampers 7c and a, same figures, will be closed, and then the said air becomes highly heated by coming into contact with the lire-chamber plate m, fig. 3, as it passes down the same into the fluef, and from thence into flue g, same figure, and fromthen'ce through damper a in the said ash-pan drawer, from which it is admitted into the fire in the fire-chamber B through the fire-grate for thepromotion of combustion, while at the same time the entire outer plates of the hearth of the stove become highly heated, and, of course,'radiate heatfor warming, cooking, or baking purposes, thus adding greatly to the capacity of a cookingstove, and at same time cconomizing in the consumption of fuel used. The atmospheric air may also be admitted to the aforesaid air-fines in the hearth of the stove through dampers k and 0. hen 7c is open, then at and e may be closed, or they may all be open at same time, and, of course, all admitting the air to said fines efg,-and into the fire through said ash-pan drawer, as aforesaid; or the atmospheric air may be admitted through openings n of suitable size in the side of .the stove, as shown at figsil and 4:; or it may be admitted in the manner and form and by the means substantially as shown at figs. 6 and 8, whereby the air is thrown to the bottom of the chamber or space underneath the fire chamber B, and thus and thereby itis caused to circulate and revolve, as indicated by the arrows. In each figure of the accompanying drawings the arrows represent and indicate the direction, current, and circulation of the atmospheric air when admitted to said fines in the manner substantially as aforesaid. The plate a in front of the ash-pan drawer A, figs. 1, 3, and 5, may be hinged at the lower edge thereof, so as to allow said ash-pan to be removed from the hearth of the stove and returned thereto whenever necessary, and at same time to close the same therein closely, so as to retain the circulation of the air, as well astojprevent dust from rising in the room or space where the stove is being used.
The oven and surrounding lines of my said stove, as well as exit-pipe and other parts thereof not herein mentioned, may be constructed in the usual formor manner, my improvemcnts'relating mainly to the hearth of the stove, and to the ash-pan drawer therein, substantially as herefnbefore described and set forth.
Having thus described my-invent-ion and improvements, what/I claim as of my invention, and desire to secure by Letters Patent of the United States of America, is-
1. I claim'the ash-pan drawer A, having thev rear part thereof extending under the fire-chamber, so constructed as to receive the ashes or other matter falling from the combustion-chamber while the front part of the top thereof is closed,-and the whole arranged and combined in the mannersubstantially as herein described and set forth.
2. I claim the combination of the ash-pan drawer A, or its equivalent, with the fire-chamber or chamber of combustion B, and so arranged in the hearth of a stovejas to form the air-fines or chambcrsf, g, 2', and 'j, in the manner and for the purposes substantially as herein described and set forth.
3. I claim constructing the hearth of a stove with dampers anda flue or lines therein for the purpose of conducting atmospheric air from the room, or place where the stove is used, into the said ash-pan drawer A, and to the bottom of'the said hearth, substantially as herein described and set forth.
In testimony whereof, I have hereunto set my hand, thisSOth day of October, A. D. 1867.
GEORGE w. swnr'r.
CHARLES D. KELLUM, Jenn T. Lamron'r.
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