US395125A

US395125A - Andrew j

Info

Publication number: US395125A
Authority: US
Publication date: 1888-12-25
Anticipated expiration: 1905-12-25

Description

(No Model.)

J. ENGLISH. BEGENERATIVE GAS BURNER.

Patented D60. 25, 1888.

N. PETERS, Fhola-Lilhagnpher. Washinginn. HG

lJNiTED STATES arnnr rricn.

ANDREIV J. ENGLISH, OF CINCINNATI, OI'IIO, ASSIGNOR OF ONE-HALF TO POWVELL OROSLEY, OF SAME PLACE.

REGENERATIVE GAS-BURN ER.

SPECIFICATION forming part of Letters Patent No. 395,125, dated December 25, 1888. Application filed August 26, 1887. Serial No. 247,908- (No model.)

tripetally around the lower edge of a cylindrical chimney, through which the products of combustion are drawn upward and discharged; and it consists in certain features of improvement designed to simplify the cost and construction and to produce a more brilliant and uniform combustion of the gas, besides rendering the apparatus more durable in service and facilitating the renewal of parts most exposed to injury.

Apparatus embodying my invention is exhibited in the accompanying drawings, in which Figure 1 is a vertical axial section of the apparatus complete; Fig. 2, view, detached, of the general supporting-ring, including the burner proper; Fig. 3, a perspective view of the airdeflector detached; Fig. 4., a radial cross-section of the burner proper, showing the position and arrangement of the gas-equalizing sieves; Fig. 5, a detached view of one of the annular sieves and its holding annulus.

Referring now to the drawings, Fig. 1, the numeral 1 designates the supply-pipe; 2, a gas-heating chamber, which is arranged cent 'ally above the chimney, and thus used also as a disperser of the waste products of combustion; 3 3, the gas-pipes extending from the heating-chamber 2 to the supporting-ring, and serving also as suspending-rods for the latter; 4:, the supporting-ring; 5, the flame-deflector, an open cylinder of refractory material inserted in the lower end of the supportingring and projecting below the burner proper; (j, the chimney; 7, the air-deflector. These constitute the principal features of the apparatus, to which are added an air-deflector, 8, (preferably of white procelain,) surrounding the chimney, and a semi-globe of glass, 9, attached below. In detail these parts are constructed and arranged as follows:

a perspective The heating-chamber 2 is a hollow chamber, )referably formed of cast-iron in inverted conical shape with arched sides, provided with a central orifice at the top, in which the main supply-pipe I makes the usual screw-connection, and about midway below, at opposite sides, with similar orifices for the attachment of the distributing gaspipes 3 3, of which there may be two or more. The pipes 3 extend downward to and engage in a similar manner with the supporting-ring 4.. (Shown in perspective with the burner proper in" Fig. 2.) The supporting-ring 4 consists of a ring, 10, and the burner proper, 11, joined together concentricallyby radial arms or elbows 12, and may be cast as one. For each distributingpipe connection a half-round enlargement, 13, is extended vertically at the outside of the ring 10 from the junction of the elbow 12 to the top. A continuous aperture is formed through said enlargement and the elbow 12, extending downward into the annular chamber of the burner 11. The latter is an annular burner of the Argand type, provided with a circular series of holes below for the escape of gas. As thus constructed, an annular space is left between the ring 10 and the burner 11. for the passage of air downward to feed the flame at its inner side, and the elbow form of the con-- necting-arms 12 so elevate the obstructing surfaces above the annular path of the air so passing through as to remove all obstruction to a free and perfectly uniform passage andmay be formed of cast-iron, and is provided exteriorly with a horizontal gallery, 15, which forms a support for the porcelain deflector 8, which rests upon it above, and for the semiglobe 9, which is suspended from it below, suitable lugs being provided for thumb-screw holders in the usual manner of such connections. The glass globe is perforated centrally below and provided with a spherical ball, 16, acting as an air-valve, in the usual manner, to facilitate lighting.

The chimney (3 is preferably made of sheetiron and rests upon the top of the ring 10, (in a suitable chamber formed for the purpose,) extending up between or around the pipes 3 to a point below the conical chamber 2, and discharging the waste products of combustion against the lower sides of the same. This arrangement, as will be seen, deflects and disperses the heated gases outward, and at the same time heats the gas delivered into the chamber from the pipe 1. As in chimneys of this kind the interior surfaces are liable to scale off under the influence of heat, I find it desirable to provide this interior surface with a refractory coating. A preferable way to accomplish this is by covering the said surface with a layer, 17, of asbestus paper, which may be held by a paste of fluid silicate of soda against the metal surface of the chimney. Common paper painted over with the silicate of soda will also serve the purpose in a measure.

The deflector 5 is an open cylinder of soapstone, baked fire-clay, or other refractory material, formed to fit snugly within the ring 10 as far up as the base of the chimney 6, and project below the lower margin of the burner proper, 11. It may be made thin and turned true to form. At its lower portion it is provided with a peripheral enlargement or ring, 18, which stands in about the same relation to the flame within which it is situated as the contracted lower edge of the deflector 7 outside of the flame, and serves a corresponding purpose-to wit, to deflect the inner aircurrent descending through the annular space between the ring 10 and the burner 11 outward against the flame.

The action of the outer and inner air-currents against the flame is to cause a thorough interpenetration of air to the gas molecules in the process of combustion and produce an intense incandescence, as the gas discharged downward from the burner is inflamed in its centripetal course around the lower edge of the deflector 5. It will be noted that the long projection of the deflector 5 below the ring 10 secures the latter against injuries from too intense heat.

The deflector 5 may be held in place in the ring 10 in any convenient manner.

The burner 11, as already remarked, is an. Argand burner of the common type with the following modifications: I construct it with a somewhat enlarged interior annular chamber, as indicated in Figs. 1 and at. \Vithin these I place one or more annular partitions,

20, of fine wire-gauze or finely-perforated sheet metal, which may be held apart by intervening double rings 21 of sheet metal, placed edge up or secured in any other convenient manner. These partitions serve the purpose of equalizing the flow of gas from the feed-pipes uniformly to the dischargeorifices of the burner by retarding the flow and distributing the gas to all parts equally. The importance of this function is seen in the uniformity and equality of the flame at all points in the annular sheet flowing centripetally around the base of the deflector 5.

The enlargement of the burner-chamber 11, and consequent retardation of the distribution of gas through the same, and its position relative to the heated air-currents passing downward within the deflector 8 in contact with the chimney (3 and the flame-dcflector 5, practically constitutes the burner 11 a supplemental gas-heating, chamber, by which the temperature of the gas is further raised at the point of issuing for combustion, and the flame, also, is supplied at both sides by highly-heated air, thereby securing perfeet and most intense combustion.

The pipe-connections 3, between the heating-chamber 2 and the ring 10, may be reduced to a single pipe arranged centrally in relation to the chamber 2, the chimney 6, and the ring 10, and connected with the latter by radial branches, all as shown by dotted lines in Fig. 1; but the arrangement first described is preferred. It should be mentioned, however, that in such first-described arrangement the pipes 3 lie in contact with the chimney, and thus sufficient heat is imparted to compensate the loss by radiation, so that the gas suffers practically no loss of heat in passing from the chamber 2 to the burner 11.

I claim as my invention and desire to secure by Letters Patent of the United States In a regenerative gas-lamp, the supporting gas tube or tubes, the hollow annulus or burner-chamber provided with supportingarms and perforated beneath with the gasoutlets, the smaller hollow annulus located above and concentric with the burner-chamber and connected therewith by hollow arms or conduits, the external air-deflector secured to supporting-arms of the burner, and the internal flame deflector supported from the smaller annulus, combined and arranged substantially as described.

In testimony whereof I have hereunto set my hand and seal in the presence of two subscribing witnesses.

ANDREIV J. ENGLISH. [L. s]

Witnesses:

CHESTER W. MERRILL, L. M. HOSEA.