US27552A - Improved portable furnace - Google Patents

Improved portable furnace Download PDF

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US27552A
US27552A US27552DA US27552A US 27552 A US27552 A US 27552A US 27552D A US27552D A US 27552DA US 27552 A US27552 A US 27552A
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furnace
improved portable
portable furnace
blast
pipe
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other

Description

J. B. MARVIN. FURNACE.

No. 27,552, Patented Mar. 20,.1860.

, on the inside with pumice-stone or with some UNITED STATES PATENT ()EEIGE.

JOHN B. MARVIN, OF NEW YORK, N. Y.

IMPROVED PORTABLE FURNACE.

Specification forming part of Letters Patent No. 27,552. dated March 20, 1860.

T0 aZZ whom, it 11mg concern.-

Be it known that I, JOHN B. MARVIN, of New York city, in the county and State of New York, have. invented a new and Improved Furnace; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, in which- Figure 1 is a longitudinal vertical section 1 of my invention. Fig. 2 is a plan or top view of same with the cover removed.

Similar letters in both views refer to corresponding parts.

To enable those skilled in the art to make and'use my invention I will proceed to de scribe its construction and operation.

A represents-a furnace constructed of sheet metal or any other suitable material and lined other fire proof substance. It is open on the top and provided with acover,l3. On one side of the furnace and near to its bottom is a pipe, 0, which is furnished with two openings, (0 I), one at right angles to the other. The opening a serves to attach the blaze-pipe D, and the opening I) admits the blast from the windpipe E, the mouth of which is kept a greater or smaller distance from the opening b, accord ing to the lower or higher temperature required and according to the force of the blast.

Common illuminating-gas may be conducted through the blaze-pipe D to the furnace, and

when lighted as it passes through the opening a, and if nowa blast is directed from the windpipe B through the opening I) the blaze or flame is forced into the furnace and around the crucible, as clearly shown in Fig. 1 in the drawings. It is only necessary, therefore, to construct a furnace as above described to placethe crucible with the metal in it to connect the cient quantity of oxygen to obtain the required intensity of heat.

I do not use hot air for my blast, as I am ableto obtain the desired temperature by using a cold blast, and it is not necessary, therefore,

to go to the expense of a hotairblast; neither.

is it necessary to use the-blast of some combustible and volatile substance-such as alco hol'-whereby,no doubt, a considerable heat is effected, but at a greater expense than with my apparatus. Furthermore, no extra flame is required to produce the gas that passes through the blazepipe, and by simply shutting OK the gas the furnace ceases to operate, and not a particle of combustible substance or of heat is wasted.

I do not claim, broadly, the employment of gas for smelting metals; but

What I claim as new, and desire to secure by Letters Patent, is-

The combination, with a furnace, A, of a blaze-pipe, D, and a wind-pipe, E, constructed and operating substantially in the manner and for the purpose specified.

JOHN B. .MARVIN.

Witnesses:

B. GIROUX, WM. THOMPSON.

US27552D Improved portable furnace Expired - Lifetime US27552A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030233483A1 (en) * 2002-04-23 2003-12-18 Secure Resolutions, Inc. Executing software in a network environment
US20030234808A1 (en) * 2002-04-23 2003-12-25 Secure Resolutions, Inc. Software administration in an application service provider scenario via configuration directives
US20040153703A1 (en) * 2002-04-23 2004-08-05 Secure Resolutions, Inc. Fault tolerant distributed computing applications

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030233483A1 (en) * 2002-04-23 2003-12-18 Secure Resolutions, Inc. Executing software in a network environment
US20030234808A1 (en) * 2002-04-23 2003-12-25 Secure Resolutions, Inc. Software administration in an application service provider scenario via configuration directives
US20040153703A1 (en) * 2002-04-23 2004-08-05 Secure Resolutions, Inc. Fault tolerant distributed computing applications

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