US25193A - Cooking-stove - Google Patents

Cooking-stove Download PDF

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US25193A
US25193A US25193DA US25193A US 25193 A US25193 A US 25193A US 25193D A US25193D A US 25193DA US 25193 A US25193 A US 25193A
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openings
cooking
stove
partition
plate
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • 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

Description

Patented Aug. 23, 1859.

1/ 60S lll om G 5G vw/LH:

R. D; GRANGER. Cooking Stove.

OFFICE.

RENSSELEAR D. GRANGER, OF PHILADELPHIA, PENNSYLVANIA.

COOKING-STOVE.

Specication of Letters Patent No. 25,193, dated August 23, 1859.

To all whom it may concern:

Be it known that I, RENSSELEAR D. GRAN- GER, of the city and county of Philadelphia and State of Pennsylvania, have invented a new and useful Improvement in Cooking-Stoves; and I do hereby declare the following to be a full, clear, and exact description-of the same, reference being had to the accompanying drawing, and to the letters of reference marked thereon.

My invention relates to improvements in ordinary cooking stoves, in which the top plate has four openings for receiving the cooking utensils, two of the said openings being situated in front, over the iire, and two in the rear, above the flue through which the products of combustion pass over the oven to the chimney; and my improvement consists in placing across the upper flue, and in front of the rear openings, a hollow box formed partition communicating with the external air, the said partition having two openings arranged in respect to the boiler holes in the top plate substantially as described hereafter and the said openings having their inner surfaces perforated for the escape of heated air so that the gases of the products of combustion may be thoroughly ignited.

In order to enable others to make and use my invention, I will now proceed to describe its construction and operation.

On reference to the accompanying drawing, which forms a part of this speciiication; Figure 1, is a side elevation of a cooking stove, with my improvement. Fig. 2, the same partially in section. Fig. 3, a sectional plan, on the line l, 2 (Fig. 2).

Similar letters refer to similar parts throughout the several views.

A is the body of the stove, B the upper plate, C the lower plate resting on suitable legs a, a, c the oven and b the pipe communicating with the chimney.

D is the fireplace, communicating with flues passing under and over the oven, as in ordinary cooking stoves.

The upper plate B has the usual four openings, for receiving the cooking utensils, these openings being shown in dotted lines in Fig. 3.

In the upper flue, through which the products of combustion pass over the oven to the chimney, I secure a hollow, box formed partition E, which extends in height from the top of the oven to the under side of the upper plate B of the stove, in length from one side to the other of the stove, as seen in Fig. 3, and in breadth from the front corner of the oven to about one third of the ovens length.

It should be particularly noticed, that the partition is situated between the front and rear openings, for receiving the cooking utensils, in the top plate B. In this hollow, box-formed partition are two openings fm, and fm, for the passage of the products of combustion over the oven to the chimney. These openings are separated from each other by a hollow partition a, and are so situated that each opening shall be opposite or thereabout to one of the rear openings in the upper plate B.

At the rear of the partition E and at a point midway between its two openings m and m, is a projection Q, which serves to divide the upper flue throughout a portion of its length, as seen in Figs. 2 and 3. Air is admitted to the hollow partition E, through openings s, one or more of which is situated on each side of the stove, and this air escapes through perforations in the inner surface of the openings m and m. At the rear of each of the latter is a damper or door e, operated by a handle f, situated on l the outside of the stove, the doors being so arranged that one or both of the openings m. and fm/ may be opened and closed at pleasure.

Supposing the opening fm, to be closed by the damper e, and the damper of the other opening to be depresed, as seen in Fig. 3, the products of combustion will pass through the unobstructed opening m, Where the gases are ignited by the heated air passing through the perforations, and the products of combustion, guided by the projection Q, will pass in the form of a flame directly under the range of the opening H in the upper plate B, to the chimney.

Should the cooking utensil above the opening H require extra heat, the damper e of the opening m is raised and the damper of the opening m lowered. The products of combustion will then pass, with the gases ignited, directly under the opening H, and the desired end will be attained.

In some instances it may be necessary to lower both dampers. The products of combustion will then pass alike through both more thorough ignition of the gases.

I do not Claim broadly admitting jets of heated air to meet the products of combustion, as they enter or pass through the ilues of a cooking stove.

I claim as my invention and desire to secure by Letters Patent Placing across the upper flue of a cooking stove a hollow boX formed partition oommunicating with the external air, the said partition having two openings arranged in respect to the boiler holes in the top plate as herein set forth, and the said openings having their inner surfaces perforated as and for the purpose specied.

In testimony whereof, I have signed my name to this specification in the presence of two subscribing witnesses.

R. D. GRANGER.

IVitnesses z HENRY I-IowsoN, CHARLES D. FREEMAN.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747358A (en) * 1968-05-01 1973-07-24 J Swearingen Cryogenic process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747358A (en) * 1968-05-01 1973-07-24 J Swearingen Cryogenic process

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