US690055A - Heating-drum. - Google Patents

Description

No. 690,055. Patented Dec. 3|, I90].

- C. B. HARRIS.

HEATING DRUM.

Application filed may 4, 1901.

(No Model.)

iTTullllm lllmll'm INVENTOR W A ftorney NTTnD STATES PATENT OFFICE.

CHARLES R. HARRIS, OF WILLIAMSPORT, PENNSYLVANIA.

HEATING-DRUM.

SPECIFICATION forming part of Letters Patent N 0. 690,055, dated December 31, 1901.

Application filed May 4, 1901. erial No. 58,776. (No model.)

To all whom it may concern.-

Be it known that I, CHARLES R. HARRIS, of VVilliamsport, in the county of Lycomin g and State of Pennsylvania, have invented certain new and useful Improvements in Heating- Drums; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to an improvement in heating-drums, the object of the invention being to produce a device adapted to be connected with a stove or stovepipe which shall be neat and attractive in appearance and inexpensive to manufacture and which shall possess a largely-increased radiating-surface over a cylindricaldrum of the same diameter.

With this end in View my invention consists in certain novel features of construction and combinations of parts, as will be hereinafter more fully described, and pointed out in the claims.

In the accompanying drawings, Figure 1 represents a perspective view of my improvement, and Fig. 2 is a View in vertical section of the same.

A represents my improved heating-drum, preferably constructed of thin sheet metal and of about the same gage as that used in the manufacture of ordinary stovepipes. The body of drum Ahas a general cylindrical form, its outer surface being made up of a series of hollow projecting ribs 1, the latter being rounded or curved on their outer edges, and a series of Vshaped corrugations or depressions 2, located between the ribs 1. With the outer surface bent or shaped as above described it will be seen that the interior of the drum presents a series of inwardly-projecting V-shaped ribs 3 and a corresponding series of corrugations or depressions 5, the latter having curved outer walls corresponding to the curvature of the outer faces or edges of the external ribs. The internal ribs 3 terminate before they reach the vertical center of the drum, and as they all extend inwardly the same distance it will be seen that a central vertical passage-way from one end of the drum to the other is formed, which passage-way is throughout its entire length in open communication with the entire cavity of the drum. Within this passage-way formed by the ribs 3 and near the respective ends of drum A are located theinverted-cone-shaped deflectors 6, which latter are connected together by a rod 7 and are supported against vertical movement by their frictional contact with said internal ribs 3. is to deflect and spread the hot air and smoke as it comes from the stove into the several corrugations, so as to bring the hot air intimately into contact with the fluted surface of the drum.

The ends of the fluted drum above described are each provided with a cap 8, shaped atits edge to conform to the fluted contour of the drum. Each cap is provided with an inwardly-projecting flange 9, adapted to,

overlap the adjacent end of the body of the drum to prevent the sheet-metal body from undue expansion, and each is also provided with an outwardly-projecting collar 10 for the attachment of sections of stovepipe, the drum forming, in effect, a part of the smoke-pipe.

The cap at the upper end of the drum is provided with a damper 11, preferably having a series of slots 12 therein, which permit the passage at all times of a port-ion of the heat within the drum. By closing the damper the heat will be retained to a large extent within the drum, the slots in the damper permitting the passing of sufflcient air to maintain a draft in the stove. By opening up the damper, which is always done when the fire is first started, the heated air and products of combustion pass more rapidly through the drum. While the caps 8 may be secured directly to the body of the drum by rivets or screws passing through the overlapping flanges of the caps and the ends of the body, I prefer to lock them in place by rods 13, secured to the caps and passing lengthwise through the drum. These rods not only securely lock the caps and body together, but they also add rigidity to the drum.

In use one end of the drum A is connected with the pipe extending from a stove or directly to the collar of the latter, as the case might be, while the other end is connected with the smoke-pipe. It might also be used to good advantage by attaching it to a stove- The object of these deflectors pipe where it passes through an upper room, thus radiating "into the upper room a large amount of heat.

From the foregoing it will be seen that I obtain a heating-drum in which its radiatingsurface is greatly increased over the radiating-surface of a cylindrical drum of the same diameter and one in which a direct draft is always possible without permitting-an undue escape of heat therefrom.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A heating drum, comprising a body made of sheet metal, of general cylindrical form and having a fluted or corrugated surface, end caps, conforming in shape to the fluted body and having flanges overlapping the ends of said body, and deflectors engaging the inner edges of the internal ribs and held in place by contact with said ribs, substantially as set forth.

2. A heating --drum, comprising a sheetlnetal body of general cylindrical form and having a fluted or corrugated surface, a central chamber, deflectors in said central chamber and engaging the ribs forming the wall thereof, end caps, shaped to conform to the fluted body and having flanges overlapping the ends of said body and tie-rods passing through flanges of the caps and transversely through'protuberances forming the fluted or corrugated surface of the body.

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses. v v

' CHARLES R. HARRIS. Witnesses:

H. S. G. MCCARTNEY, H. A. LADD.

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