US1164485A - Combined gas and coal stove. - Google Patents

Description

A. C. EDGAR.

COMBINED GAS AND COAL sovE.

APPLICATION FILED SEPT.14. 1911.

Patented Dec. 14, 1915.

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A. C. EDGAR.

COMBINED GAS AND COAL STOVE.

APPLlcAhoN FILED SEPTA 14. 191x.

l .l Patented Dec. 14, 1915.

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A. C. EDGAR.

COMBINED GAS AND COAL sTovE.

APPLICATION FILED SEPT. I4. I9I I.

Patented Deo. 14, 1915.

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ANDREW C. EDGAR, OF NEWTOWN SQUARE, PENNSYLVANIA, ASSIGNOR T0 ABRAM cox s'rovn COMPANY, or PHILADELPHIA, PENNSYLVANIA, A CORPORATION or PENNSYLVANIA.

COMBINED GAS ANDyCOAL STOVE.

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Specification of Letters Patent.

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Application led September 14, 1911. Serial No. 649,259.

To @ZZ icl/Lam it may concern? i Be it known that I, ANDREW C. EDGAR, a citizen of the United States, residing in lNewtown Square, county of Delaware, State ot Pennsylvania, have invented certain Improvements in Combined GasA and Coal Stoves, of which the following is a specification. I

This invention relates to certain improvements in combined gas and coal stoves,.and the object of the invention is to provide a water back for the stove, which is common to both the gas section and to the coal section of the' stove. Y

The invention is particularly adapted for use in connection with a gas stove having a comparatively small coal section which can be used when it is desired to have a continuous supply ot' hot water.

In the accompanying drawings :-F1gure 1, is a transverse sectional view of my improved combined gas and coal stove; Fig. 2, is a sectional plan view on the line 2 2, Fig. l; Fig. 3, is an end View of my imroved combined gas and coal stove; Fig. 4, is 'a detached view of one of the sections of the water heater; Fig. 5, is a detached view of a section of the water heater forming the water back of the fire pot; Fig. 6, is an enlarO'ed sectional plan view of the burner; an Fig. 7, is a perspective view of the stove illustrating my invention.

A is the base of the stove.

B is the top which may have the usual openings directly above the gas section under which are located the burners, with other openings directly above the coal section; these latter openings being closed by lids of the ordinary construction.

A is the gas section of the stove and A2 is the coal section. The gas section may have the usual oven and any number of burners desired, according to the type of stove to which the invention is applied. The coal section does not extend to the full depth of the stove, and there is a chamber A3 back of the coal section for the Water heating device. rlhe coal section has the usual lire bricks a, a at the front and at each side, and the section l of the heating device D forms the water back for the fire pot of the coal section, as clearly shown in Fig. 2. Directly under the fire pot of the coal section is the ash pit C having a door c.

rlhe combustion chamber B for the coal section eXtends the full depth of the stove and over the space A3 for `the water heating device;.the-products of combustion passing through the flue Z) at the back of the stove. The water heating device D consists, in the present instance, of three sections d, cl, Z2 of the form illustrated in Figs. 4: and 5. Each section d and cl2 has a header e at the top and another header e at the base connected by tubular members c2, and the section l has a portion f which extends across the back of the lire boX, and depending from this section f are tubular members f which communicate with a lower header ff as shown in Fig. 5. The sections are connected through nipples g at the top and nipples g at the bottom so that the water is free to circulate through all of the sections of the water heater and, if it is desired, another section may be added. The outer section cl2 has openings at the top and bottom closed with plugs z., 71.. On removing these plugs, nipples can be introduced to couple the additional section if more heating surface is found necessary. The sections cl, d2 have lateral openings z', z" to which the circulating pipes I, I are coupled. These circulating pipes extend to the boiler J Which is of the horizontal type, in the present instance, and is supported on brackets resting on the base of the stove in the usual manner.

Mounted on brackets m, in the present instance, is a burner M, located directly under the water heating device, and this burner is made as shown in Figs. 1 and 6 and has three arms m connected by a cross member m2. The gas pipe 29 enters a funnel shaped casing P, which is connected to the end of the central arm mi and has a rotary damper p for controlling the air supplied to the burner. The arms m are shaped as shown clearly in the sectional view, Fig. l, and each has a perforated upper surface for the escape of gas. Air and gas enter the middle section and pass to the outer sections through the cross channel m2,' the gas escaping on its way through the small openings. The gas is controlled by a suitable valve ,'02 in the service pipe S, which also leads through a branch S to the upper oven and through a branch S2 to the burners under the top plate of the range and the lower oven.

The compartment A3, in which the heater is located, has a vent opening t in the top plate T closed by a damper t which, in the present instance, is operated from the front of the range. This damper is closed when the gas is cut off and the coal fire is used, but when the gas isA turned on' to heat the water heating device, then this damper is opened to allow the chamber A3 to communicate through the lue b with the burner.

By the above description, it will be seen that I am enabled to construct a gas stove having a coal section provided with a water heating device which is common to both the gas section and the coal section. Furthermore, the heating surface of the device can be increased or diminished, as desired, by simply adding one of the sections or removing one of the sections.

I claim 1. The combination in a water heating device for a combined gas and coal stove, of a casing; a re'pot for the coal; a chamber back of the fire pot; a series of tubular water heating sections vertically arranged, one of said sections having a solid portion forining the back of the fire pot; and a gas burner located within the chamber back of the ire pot and under the series of sections.

2. The combination in a combined gas and coal stove,` of a iire pot section; a chamber directly back of the ire pot section; a water heating device consisting of a series of tnbular sections placed side by side and of a greater length than the height oi the lire pot, said sections extending back of the ash pit; a gas burner located under the sections, the forward section of the series having a Solid portion forming the back of the iire pot so that the water section is heated either by the products of combustion from the coal 0r from the gas burners.

In testimony whereof, I have signed my name to this speciiication, in the presence o't two subscribing witnesses.

ANDREW C. EDGAR.

IVitnesses WM. E. Si-iUrE, IVM. A. BARR.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents. Washington, D. C.

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