US1306501A - riley - Google Patents

Description

L. A. RILEY. 2D.

GAS BURNER. APPLICATION FILED MAY 20. I9I8.

Patented June 10,1919.

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GAS BURNER. APPLICATION FILED MAY 20. I'9I8.

Patented June 10, 1919.

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GAS BURNER.

APPLICATION HLED MAY 20. |918.

Famed June 1o, 1919.

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UNITED sTATEs PATENT oEEicE.

LEWIS A. RILEY, 2D, 0F WHITE PLAINS, NEW YORK.

GAS-BURNER.

Y Application led May 20, 1918.

To all whom t may concern Be it known that I, LEwrs A. RILEY, 2d, a citizen of the United States, residing at White Plains, in the county of l/Vestchester and State of New York, have invented certain new and useful Improvements in Gas- Burners, of which the followingis a specification.

My invention relates to improvements 1n gas burners.

An important object of the invention is to provide means whereby a plurality of burner elements are so assembled that they produce a single substantially flat flame. Y

A further object of the invention is to provide means for imparting a rotary or turning movement to the gas discharging from the nozzle, in the presence of the primary air supplied thereto, for eecting an intimate mixture of the air and gas.

A further object of the invention isi' to provide means whereby the relative volumes of air `and gas, within a pluralityl of burner' Y, elements, are simultaneously adj usted so that the gaseous mixture in each burner element is the same. Y 4

Other objects and advantages of theinvention will be apparent during the course of the following description.

In the accompanying drawings forming a part of this specification and in which like numerals are employed to designate like parts throughout the same,

Figure 1 is a plan View of a burner embodying my invention,

Fig. 2 is a front end elevation of the same,

Fig. 3 is a transverse sectional view ta-ken on line 33 of Fig. 4:,

Fig. 4 is a longitudinal sectional View taken on line 1 /l of Fig. 1, and

Fig. 5 is :a fragmentary side elevation of a burner, showing an adjustable lever, for controlling the buttery valve.

In the drawings, wherein for the purpose of illustration is shown a preferred embodiment of my invention, the numeral 10 designates a gas vsupply conduit, adapted to receive gas under suitable pressure.` Th'e supply of gas through this conduit is controlledl by means of a butterfly valve 11, clamped to a horizontal rock-shaft 12, by means of a U-bolt 13 or the like. The rock-shaft 12 has a handle or crank 14 rigidly secured thereto, which operates upon one side of a stationary quadrant 15. A spring clamp Specification of Letters Patent.

Patented June 1o, 1,919.

Serial No. 235,527.

16 is secured to the crank 14C and is arranged upon the opposite side of ther quadrant 15, and is adapted to be clamped thereto by meansof a bolt carrying a thumb nut 17, as shown. It is thus apparent that rrneans are 'provided to lock the valve 11 the chamber 18 is covered by a vertical plate 20, the edgesof which constitute an exterior flange 21;

The numeral 22 designates an outer ycasing or air mixing chamber, which is preferably substantially rectangular in vertical transverse section.` The outercasing 22 is pro vided at its rear end with 'a flange 23, bolted to the flange 21, as'shown at 24:, `to form a gastight jointwith the plate V20.

rI he plate 2O is provided with a plurality of openings 25, preferably equidistantly spaced and receiving therein tubular nozzles 26, forming a gas tight joint within these openings. I provide means to rotate the 'gas passing longitudinally through each nozzle, such means comprising a plurality of spiral blades o-r vanes 27,' extending longitudinally within the nozzles 26. Arranged forwardly and near the nozzles 26 are mixing tubes 28, corresponding in number and arrangement to the nozzles. These mixing tubes are disposed in contacting relation withv each other and are rigidly oo nnected, lby means to be described. Arranged beneath the contacting mixing tubes'i28, is a horizontal transverse b'ar 29, bolted or 'otherwise secured thereto, as shown at 30. At their forward ends the mixing tubesv are further connected `by means of a transverse rod 31, passing through apertures in the mixing tubes and carrying nuts 32 at its ends. The rear ends of the mixing tubes 28 are rigidly connected by means of a rail or bar 33, bolted thereto, as shown at 34. Abar 35 is secured to the rail 33`by bolts 36 or the like. A t its ends the bar 35 is provided with 'laterally' extending ears 37,V apertured for receiving nuts 38, operating within elongated slots 39 formed inthe sides of the outer casing 22. The forward ends of the mixing tubes 28 are supported by a bolt 40 or the like, secured to the Yinner or central mixing tube, and vertically arranged to slidably contact with a horizontal preferably milled surface 41. It is thus seen that a three point supportincr system is provided whereby the mixing tribes, as a unit, may be longitudinally adjusted, and locked in adjustment at different positions with respect to the nozzles 26. As clearly shown in Fig. 2, the mixing tubes are arranged concentric with relation to the nozzles.

The top portion 42 of the outer casing 22 is provided with air inlet openings 43, adapted for registration with openings 44 formed in a slide valve or plate 45. This slide valve is adapted to be clamped in adjustment at desired positions by mea-ns of a clamping bolt 45 carried by the casing 22 and operating through a longitudinal slot 46. The slide valve 45 operates Within stationary guides 47, as shown.

At the forward or firing end of the outer casing 22, the same is provided with upper and lower sets of curved teeth or extensions 48, forming circular openings or passages,

surrounding the outlet ends of the mixing tubes 28, as shown.

The operation of the burner is as follows: The gas, such as ordinary illuminating gas, is supplied under suitable pressure, into the gas supply conduit 10 and discharges into the gas chamber 18. rllhe gas then passes longitudinally through the nozzles 26, and these nozzles by having a contracted Varea with relation to the chamber 18, impart to the gas a relatively high velocity while passing therethrough. While the gases are passing through the nozzles at the high velocity, the spiral vanes 27 impart thereto a turning or rotary movement. The whirling or turning motion imparted to the gases by the spiral vanes, causes the condensation of the gas into currents corresponding in number to the vanes. These condensed currents of gas, discharge into the mixing tubes 28, and whirling or turning therein create semi or partial vacuums within the mixing tubes, which causes the primary air through the openings 44 to be drawn into the mixing tubes with increased facility and effecting a thorough mixing of the primary air and gas. rlhe gaseous fuel is ignited at the forward end of the mixing tubes 28, and the whirling or rotatable movement of the gases through the mixing tubes extends out p ast the forward ends of the mixing tubes and causes an increased suction and thorough mixing of the secondary air, fed to the flame at the forward end of the outer casing 22. By arranging the mixing tubes 28 in close or substantial contacting relation and in the same horizontal plane, they produce a plurality of circular Eames which merge into a single -flat flame, the shape of this iiat flame being somewhat defined by the outer casing 22. The curved teeth 48 at the forward end of the outer casing 22 form circular openings of slightly larger diameter than the mixing tubes and serve to provide tubular envelops of air, surrounding the gas passing from the mixing tubes.

1t is obvious that the volume of air supplied to the mixing tubes may be controlled by adjusting the valve slide 45 and also by shifting the mixing tubes 28 toward oraway from the nozzles 26. 1n either ease, the same adjustment affects all of the mixing tubes in the same manner, whereby the gaseous mixture in each mixing tube is of the same character.

1t is to be understood that the form of my invention herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape, size, and arrangement of parts may be resorted to without departing from the spirit of the invention or the scope of the subjoined claims.

Having thus described my invention, I claim:

l. A burner of the character described comprising, a gas chamber having a plate closing its forward end and provided with openings, an outer casing connected with the plate and formed substantially rectangular in cross-section, a plurality of nozzles arranged within the openings of the plate, a corresponding number of mixing tubes arranged in close relation within the outer casing and disposed forwardly of and nean the nozzles, and means arranged within the nozzles to cause the gas passing therethrough to partake of a rotary movement.

2. A burner of the character described comprising, a gas chamber having a plate closing its forward end and provided with openings, a substantially flat outer casing connected with the plate, a plurality of nozzles arranged within the openings of the plate, a corresponding number of mixing tubes arranged in close relation within the ,outer casing and disposed forwardly of and near the nozzles, means whereby the mixing tubes may be longitudinally adjusted toward and away from the nozzles, and means to cause the gas passing thrugh the nozzles to partake of a rotary movement.

3. A burner of the character described comprising, a gas chamber, an outer casing connected with the forward end of the gas chamber and having air inlet means, a plurality of nozzles connected with the forward end of the gas chamber and extending into the outer casing, a correspondino number of mixing tubes extending longitudinally within the outer casing forwardly of the nozzles, means rigidly connecting the mixing tubes so that they move as a unit, a single supporting element connected with the inner mixing tube and adapted to permit of the longitudinal adjustment of the tubes, and a pair of supporting elements connected with the outer tubes and adjustably connected with the outer casin 4. A burner of the character escribed comprising, a gasl chamber, a substantially flat outer casing connected with the forward end of the gas chamber, a plurality of nozzles connected with the forward end of the gas chamber and projecting into the substantially flat outer casing, a corresponding number of mixing tubes extending longitudinally within the substantially flat outer and disposed in proximity to the outlet 15 ends of the mixing tubes.

In testimony whereof I affix my signature in presence of two witnesses.

LEWIS A. RILEY, 2D. Witnesses:

H. WiLLARD Hiss, F. C. WASHBURN.

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

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