US320838A - Generator for hydrocarbon-vapor burners - Google Patents

Description

(No Model.)

i A. M. vBRAINARD. GENERATOR PoR RYDROCARRON VAPOR BURNRRS. No. 320,838.

Patented June 23 JMW/ley N. PETERS, Pnnxu-uxhognpner, wmmgmn. n c;

UNITED STATES PATENT OFFICE.

ADELBER'I M. BRAINARD, OF CHICAGO, ILLINOIS.

GENERATOR FOR HYDROCARBON-VAPOR BURNERS.

JIECIFICATIQN forming part of Letters Patent No. 320,838, dated June 23, 1885.

Application filed August Q7, 1884. (No model.)

To all whom, t may concern:

Be it known that I, ADELBERT M. BRAIN- ARD, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Generators for Hydrocarbon-Vapor Burners; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

The object of this invention is to provide an improved construction in generating-chambers for that class of hydrocarbon-vapor burners having a continuous annular exit-orifice for the passage of vapor to the iame; and it consists in the matters hereinafter described, and pointed out in the claim.

In an application for patent upon a hydrocarbon-vapor burner filed by me September 6, 1882, a burner is described having an air and vapor supply tube located above the injectornozzle and terminating at its upper end in a cup, a deilector plate or disk arranged above said cup, so as to form therewith a mixingchamber beneath the plate having an annular exit-opening, and a vapor-generating chamber formed by a pipe extending over said deflecting-plate, or by means of a transverse cham-' ber therein. In this construction the generating-chamber is located, principally, in the central part of the deflector-plate, and as a consequence its ends only are exposed to the direct action of the flame at the periphery of the plate, the heat transmitted through the plate being principally depended upon to produce the desired vaporization of the oil in the chamber.

In the present invention a generating-chamber is provided adapted for use in connection with a burner constructed generally as described i-n the application above mentioned, or with any other forni of burner adapted to produce a continuous annular flame, such chamber being of tubular form and extended wholly or partially around the periphery of the burner adjacent to and below the annular exit-opening thereof, whereby the flame is caused to impinge upon the upper surface of said chamber throughout the whole or a principal part of its length, and the said chamber will be thoroughly heated, while the annular flame is at the same time allowed a free and unobstructed outward passage fronithe exit-opening of the burner. The form of burner herein illustrated also embodies certain improved fea-tures of construction whereby the dciiecting-plate, the mixing-chamber, and the injecting-nozzle may be removed or detached from the burner without disconnecting the oil or vapor supply pipes, as hereinafter fully set forth.

In the accompanying drawings, Figure l is a perspective view. of a burner embodying my invention, the top or deflecting plate of the burner being absent. Fig. 2 is a vertical section through the axis of the burner and of the horizontal portion of the vapor-supply pipe. Fig. 3 is a horizontal section ou a plane immediately above the horizontal portion of the vapor-supply pipe and upon the line m x of Fig. 2. Fig. 4 is a plan of a burner, showing the generating-chamber extended entirely around the periphery thereof.

As herein illustrated, A is a tubular generating-chamber extending around the periphery of the burner adjacent to the annular exitopening thereof, and connected at one end with a vertical tube, B, connected with an oil-supply pipe, C, which communicates with the oiltank, and at its opposite end wit-h a vertical pipe, D, having communication with the vertical injector-nozzle E, a suitable regulatingvalve, E', being interposed between the said pipe D and the nozzle for regulating the flow of vapor to the burner.

Above the nozzle E is located a vertical tube or chamber, F, communicating at its upper end with a cup, G, preferably formed integral therewitl1,and which is provided with a top or deflecting plato or disk, H, which lforms with the cup a mixing-chamber for the air and vapor delivered by the action of the injector-nozzle through the tube F. The" plate H is supported with relation to the cup G in such manner as to form with the edge of the cup an annular opening calculated to give a continuous annular dame.

The several parts above described, with the exception of the generating-chamber, are constructed and operate generally in the same manner as the corresponding parts shown in the application above referred to., The ilanges g and h upon the cup G, and the disk H, said IOO anges being for the purpose of givinga sinuous course to the mixed vapor and air in the outward passage of the latter to the exitopening of the chamber, are, as herein shown, of peculiar construction, and embody features ot' construction that are described and claimed` in another application for patent made by me simultaneously herewith.

rIlhe generator A is, as herein shown, in the 1o form of a curved tube which is arranged around the cup G, and concentric with the axis of the burner, and with its upper surface adjacent to the top edge of the cup, and in1- mediately below and in close proximity to the i 5 annular openingbetween the cup andthe disk, so that the flame from said annular opening will impinge upon the upper surface of said tube throughout its entire length. The generator A may extend entirely around the pe 2o riphery ofthe bui-nenas shown inFig. 5,01 it may extend only half-way around, as shown in Figs. l, 2, and 3, or it may be of any other length desired.

One ot' the obvious advantages of the construction ot' the generator A as above described, is that said generator, being independent of the detlector-plate H, the latter may be made of simple form so that it is more effect-ive and durable, may be readily and 3o cheaply replaced by a new one, if warped or otherwise injured by heat, and may also be readily lifted off from its seat to give access to the cup G for cleaning or other purposes.

In the construction herein shown the tube F and the cup G, which is made integral therewith, is supported upon a hollow perforated casting, F', surrounding and attached at its lower end to the injector-nozzle, and the generator is sustained by the tubes B and D 4o independently of the said tube E and cup G, so that said tube F and thc cup may be readily lift-ed off from its support, and the casing E also removed in order that access may be had to the nozzle E for cleaning the latter.

The generator A is preferably formed, as herein shown, of a single piece of pipe bent to form the curved part of the generator proper, and'also the vertical pipes B and D, the pipe B being connected at its lower end with the supply-pipe C, as before stated, and the pipe D with a horizontal pipe, D', extending inwardly to the nozzle E, as more clearly shown in Fig. 5. By this construction the generator A may be readily and cheaply formed, and is cheap and durable.

As illustrated in the drawings, a pipe, I, is shown for supplying carbureted air for the initial heating of the generator, said pipe being provided with an exitnozzle, I, opening 6o beneath the horizontal pipe D. rlhe said pipe I will usually be connected with the airspace of an oiltank, in which a constant airbeing provided with a vapor-exit opening or openings adjacent to its base and the said plate or disk and below the level of the bottom of the generatorchamber, whereby the flame of the burner is caused to impinge against the lower and inner surface of thc generator and then to pass upwardly between the outer wall ot' the mixing chamber and the inner wall of the surrounding generator. The obvious objection to this construction in the burner is that the Haine is broken up or changed in its course by the presence ofthe generating-chainber around and above the exit-opening of the mixingchamber, whereby the frame is prevented from spreading laterally in disk or cup shape, as is desirable in this class of burners. rIhe form of burner mentioned is objectionable, also, for the reason that the parts thereof cannot be as readily separated or removed for cleaning and repairs, inasmuch as the inlet-tube of the mixing-chamber and the disk by which the mixing-chamher is supported are attached to and supported by the generating-chamber itself, while in applieants construction the mixing'chainber and geuerating-chamber are independently supported.

I claim as my invention- The combination, with the injector-nozzle E', a cup, G, located over said nozzle, a tubular support for the cup, constituting a direct vaporpassage between the nozzle and the chamber within the cup, and a disk, H, applied over the cup and forming in conjunction therewith a mixingchainber having an annular exit-opening, of a tubular generator, A, extending wholly or partially around the cup at a point below and adjacent to the annular exit-opening, and the tubes B and D, connected with and supporting the generator independently of the disk and cup, one of said tubes being connected with an oil-supply pipe and the other having connection with a lateral branch, D, which is connected to the injector-nozzle, substantially as and for the purpose described.

In testimony that I claim the foregoing as my own I affix my signature in presence of two witnesses.

ADELBERT M. BRAINARD.

Vitn esses:

C. CLARENCE IooLE, OLIVER E. PAGIN.

i' frs.

Images