US321632A - Tana teeeitoey - Google Patents

Description

(No Model.)

C. W. OAKES 8a E. B. CAMP.

HOT AIR PURNAGE.

WITNBSSBS INVENTOR ATTORNEYS.

llhuirnn Spares Parente CHARLES VILLIAM OAKES AND EDGAR BGYD CAMP, OF BILLINGS, MON- TANA TERRITRY.

HOT-'AIR FURNC.

SEIFGATQN 'orrning part of Letters Patent No. 321,632, dated July 7, 3.885.

Application filed June 12, l8B4.

T0 @ZZ zutol/ it may concern.-

Be it known that we, CHARLEs XVILLIAM Onnns and EDGAR B. CAMP, of Billings, in the county of Yellowstone and Territory of Montana, have invented a new and Improved Hot-Air Furnace, of which the following is a full, clear, and exact description.

Reference is to be had to the accompanying drawings, forming a part of this speciiication, in which similar letters of reference indicate corresponding parts in all the iigures.

Figure l is a sectional side elevation of our new and improved furnace, taken on the line a"- of Fig. 3. Fig. 2 is a sectional plan View, taken on the line y y of Fig. 3, and Fig. 3 is a front elevation of the furnace.

The invention will first be described in connection with the drawings, and then pointed out in the claim.

Referring to the drawings, A represents the outer casing of the furnace, closed at its ends by the end walls, B B.

Vithin the outer casing, A, is placed the snialler casing C, closed at its ends by the said end wall, B, andthe opposite inner wall, G,whicl1 latter, with the outer wall, B', forins the hot-air space D,which communicates with the surrounding hot-air space E, formed by the inner and outer casings` A C.

The space G inclosed by the inner casing, C, bottom F, and the said end walls, B C', is the fire box or chamber of the furnace, which is connected to the chimney by the pipe H.

In the tire-chamber G are placed, above the center tl1ereoi',the horizontal air-heating drnnis or cylinders J J, and series of vertical or nearly vertical air inlet and heating pipes K, which connect the heatingcylinders J with the external air through suitable openings made through the bottoni F. The heatingdrums J communicate with the hot-air space D through suitable openings made in the inner wall, C', as shown clearly in Fig. l.

L are the grate-bars of the furnace, below which is formed the ash-pit M, and N N are the pipes for conducting the heated air from the surrounding air-space E to suitable distributing-pipes leading to different parts of the building.

ln the front wall, B, above the heating-drums (No model.)

J, is formed the opening O, closed by a suitable cap, so that by removing the cap the drums J may be cleaned of any soot or ashes that may collect upon them, and below the opening O is formed in the front wall B the door P, through which the fuel may be introduced into the furnace upon the grate-bars L.

It will be noticed that the grate-bars L are located betweentlie series of vertical air-inlet pipes K, and that the said series of pipes con' Verge toward each other so as to stand partially over the grate-bars at their upperends, leaving considerable space between the outer surfaces of the pipes and the inner surfaces of the inner casing, C, thus furnishing space for the fire to circulate freely among and around the pipes K, and causing atthe same timethe aine to spread and nearly encompass 4the drums J. In this manner a large and very effective heating-surface is furnished within the fire-box G without materiallyinterfering with the draft of the furnace, and the inner casing, C, and end wall, C', furnish another very large and effective heating-surface for the air, so that all ofthe available heat from the furnace will be taken up by the air and distributed through the building, making the furnace very economical in fuel.

Having thus described our invention, we cla-ini as new and desire to secure by Letters Patent# The hot-air furnace herein described, the same consisting, essentially, in outer casing, A, having end walls,B B", the inner casing, C, having a rear end wall, C', between which and the end wall B an air-space, D, is formed, the air-space E between the top and sides of the said casings, the lire-box G, formed by the interior of the easing C, the two horizontal drums J in the upper part of casing C, the series of Vertical inclined pipes K, extending from the drums J to openings in the bottoni F, and the grate L in the space between the drnins and pipes K, substantially as set forth.

CHAS. VILLIAM OAKES. EDGAR BOYD CAMP.

Witnesses:

J oHN H. Gnnnisu, C. G. CHILD.

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