USRE4705E - Improvement in base-burning stoves - Google Patents

Description

BEST AVAILABLEF PY (154.) 2 Sheets--Sheet 1.

' J. R.,HAWKINS.

Base Burning Stove.

N0. 4,705. Reissued Jan.9,1872.

05.--Baae-Buming Stov.-JORs R. HAWKINS. Syracuse, N. Y.,. jfieignor to BACKUS, BUTTON AND Couytmn latent N 0. 44,307, ted September '20, 1864. Claims- 1. An oven laced over and adjacent to the fire, in ation with the the -reservoir of a base-burning stove, sub- 'y as set forth. 3 reservoir or hopper for fuel extendingfrom above the fire 11 R3; portion 01 the stove, in eombination mzm oven! 1'. n the casing of the stove and above the ike so 51-5 to v on the bottom thereof to the direct rays of heat, sub-' y be set forth. x15. stove havinga magazine for fuel and an oven above the 'd'within the casing ot the stove, and a-cleecendiug draught ,the base of the stove and with fines at the sides of the oven,

hntially as specified. t 14. .A base-burning stove with an oven 0v adjacent to the a fuel-reservoir, and a. (law 1' to regula. e"the escape of the ucte of combustion upward y, subetantialt yas andfor the purset forth; I 5. The oven over and adjacent to the fire wit-ham openinginthe (in with a. fuel-magazine above the fire, aubf pyramidal grate with teeth around its base, in combi- 'th stationary teeth upon the metal snrrmmqlingthe grate,

tantially as set forth.

AM PHOI'D-IITIIU6RAPIHIC 60. NP. 055 75)!!! PROCESS-1 V (154.) I 2 Sheets-Sheet 2.

J. R. HAWKINS.-

Base Burning Stove.

N0. 4,205. ,jieissuedlan.9,1872'.

EXAMINER.

UNITED STATES PATENT OEEIoE.

J OHN R. HAWKINS, OF SYRACUSE, NEW YORK, ASSIGNOR TO BAGKUS, BUT- TOD AND COMPANY.

IMPROVEMENT IN BASE-BURNING STOVES.

Specification forming part of Letters Patent No. 44,307,

dated September 20, 1864 reissue No. 4,705, dated J anuary 9, 1872.

To all whom it may concern:

Be it known that I, JOHN R. HAWKINS, of Syracuse, in the county of Onondaga and State of New York, have invented a new and improved Goal-Burning Stove; and I do hereby declare the following to be a correct description thereof.

This invention relates to a base-burning stove with a reservoir above the lire and an oven over the fire and exposed to its direct rays. The products of combustion pass away either upwardly around the oven or downwardly through the base of the stove, and the base is of a peculiar pyramidal form, with teeth to break up clinkers or slate. This stove is adapted to use as a parlor-stove for heating purposes, and its appearance is not injured by the oven, thereby greatly promoting the usefulness of the stove, especially with persons of limited means or facilities.

In the drawing, Figure 1 is a front view of the exterior of the stove. Fig. 2 is a top view of the bed-plate which supports the fire-pot and grate and forms a part of the grate. Fig. 3 is a vertical section of the stove. Fig. 4 is a vertical section of the grate, and Fig. 5 is a top-view of the grate and bed-plate combined.

The exterior casing of my stove is constructed in any of the known forms and is ornamented as desired. The case shown in Fig. 1 is elliptical. The interior is constructed as shown in Fig. 3, and is substantially the same, whatever may be the form of the outside casing. The base is made of two plates, at and b, the space between them forming the flue A. A portion, T, of the flange of the upper plate b is removable, so that the flueAcan be cleaned out. The upper plate b of the base is formed with two openings, 0 and d, one leading from the chamber 0 into the flue A and the other leading from the flue A into the chamber D. These openings are of a size sufficient to conduct all the heat, flame, and smoke from the chamber 0 through the flue A into the chamber D in the direction shown by the arrows in Fig.3. Upon the central portion of the upper plate b is the ash-pit B extending from the front to the back part of the stove and closed in front by a door, at, Fig. 1. In the the ash-pit B are several openings, e,

sides of into the chamber D. These openings are closed up when necessary by means of a slide-register not shown in the drawing. Upon the top of the ash-pit B is the bed-plate f with an open ing in its center large enough for the grate to work easily therein. This opening is shown at Y, Fig. 2. Upon the under surface of this bed-plate f are two lugs, g g, one upon each side of the grate-opening and within the ashpit B. The lugs support the horizontal bar h, upon which the grate revolves. The grate is pyramidal in form, and is supported by a standard, 'i, extending from the apex down upon and through the horizontal bar h with a shoulder resting upon the upper side of the bar h. Upon the top of the horizontal bar It is cast a supporting-ring, 0, for the grate, its diameter being slightly less than the grate. Upon this ring 0 the outer edge of the grate slides when it is shaken. The grate is made of inclined bars m m converging and forming a pyramid, these bars m m forming the angles or hips of the pyramid. Parallel bars a a connected to the bars m, and having spaces of proper size between them form the sides of the pyramidal grate. Upon the lower bar n at the base of the pyramid are teeth 19 of varying lengths so as to make the whole grate, when complete, circular in form. Around the inner edge of the circular opening Y in the bed-plate f are teeth, every alternate one of which is about the same thickness as the bedplate, and the other half are about twice that thickness. When the grate is revolved the clinkers and slate are ground to pieces between the teeth upon the grate and those upon the edge of the opening in the bed-plate and readily fall through the openings between them. Above this bed-plate f and a little outside of the opening therein is the fire-pot r, which is circular at the bottom and may be elliptical at the top and twoor three inches smaller than the outer shell of the stove. I make this fire-pot of suitable depth, and it may be surrounded with an iron jacket, .9 8. Air may be admitted to the exterior of the fire-pot. The coal-reservoir w extends from above the fire-pot to the upper part of the stove or nearly so, and a cover is provided at N to allow for the introduction of the fuel.

The lower end of this reservoir may be lined with soapstone-or similar material. The coal passes freely from this reservoir into the fire, as required, and spreads upon the surface of that portion of the fire which is not beneath the reservoir. The exterior casing 12 of the stove may be more or less ornamental and of suitable size and shape. I have shown an ornamental frame and windows at w, and a topplate, .10, forms the upper part of the stove. This also may be ornamented. Within the casing there is a division at 2, near the upper part of such casing, and a damper, The flue-space above this casing is connected by a vertical flue, y, with the flue in the base of the stove. When the damper it is closed the prodnets of combustion will descend into the base of the stove and thence pass by the flue y to the top portion of the stove and thence by the fiue M to the chimney. If the damper K is open the products of combustion will pass at this point directly to the line M. The plate L may be introduced above the plate 2 to cause a more equal distribution of heat as the products of combustion pass through the openings l 2 3 therein, as indicated by the arrows, Fig. 3. The plate 2 being inclined toward the flue 3 causes the dust to slide 01f the same, and the removable stopper T gives access for cleaning the flues. Above the fire and within the casing of the stove is the oven I. The same is provided with a suitable door, and 1 have. represented a kettle within the oven, there being an opening in the bottom of said oven for the reception of such kettle or other cooking utensil, and this opening is to be closed by a cover when the oven is employed for baking purposes. This oven is exposed to the direct action of the fire heat on the 'bottom, and the products of combustion rise in the flue-spaces around or at the sides of such oven. When the damperK is open the products of combustion will pass around the oven, but when the damper is closed the oven will be principally heated by radiation from the fire and the plenum of heat within the casing. -The fire may be kindled upon the grate beforeboal is placed in the reservoir, but if the flr'rshould go out it may be rekindled by cleari'n'g he. coal and ashes from one side of the c. When the grate is shaken the edges or hips of the pyramid raise the mass of ashes, slate, or clinkers, and the smaller portions fall through, and the clinkers and larger pieces of slate are broken by the action of the teeth around the edges of the grate and fire-pot or bed-plate. The removable cover at 0 allows for plates or other articles to be placed on the opening so as to be warmed.

I am aware that many of the separate parts of this stove have before been employed, and also that a reservoir for coal has been used in a cooking-stove and that the products of combustion have passed away laterally to the lines around the oven. In my stove the oven is above and adjacent to the fire and exposed to its direct rays.

I claim as my invention 1. An oven placed over and adjacent to the fire, in combination with the fuel-reservoir of a base-burning stove, substantially as set forth.

2. A reservoir or hopper for fuel extending from above the fire to the upper portion of the stove, in combination with an oven placed within the casing of the stove and above the fire so as to be exposed on the bottom thereof to the direct rays of heat, substantially as set forth.

3. A stove having a magazine for fuel and an oven above the fire and within the casing of the stove, and a descending draught into the base of the stove and with flues -at the sides of the oven, substantially as specified.

4. A base-burning stove with an oven over and adjacent to the fire, a fuel-reservoir, and a damper to regulate the escape of the prodnets of combustion upwardly, substantially as and for the purposes set forth.

5. The oven over and adjacent to the fire with an opening in the bottom, in combination with a fuel-magazine above the fire, substantially as set forth.

6. The pyramidal grate with teeth around its base, in combination with stationary teeth upon the metal surrounding the grate, substantially as set forth.

Signed by me this 24th day of November,

, JOHN R. HAWKINS. Witnesses:

SARAH M. HAWKINS,

J. A. NOTTINGHAM. (154)

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