US1207422A - Fuel-distributer. - Google Patents

Description

N. M. LOWER.

FUEL DISTRIBUTER.

APPLICATION FILED JULY 1. 1915.

1 ,QUYAQQ. Patented Dec. 5, 1916.

2 SHEETS-SHEET l. 71

WITNESSES N. M. LOWER.

FUEL DISTRIBUTER.

APPLICATION FILED JULY 1, 1915.

Patented Dec. 5, 1916.

2 SHEETS-SHEET 2 WITH/E8858 l ll l a it in up NATHAN M. LOWER, 0F SCHENJEGTADY, NEW YORK, ASSIGNOR TO LOCOMOTIVE STOKER COMPANY, OF WILMERDING, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.

FUEL-DISTRIBUTJER:

momma.

Specification of Letters Patent.

Patented Dec. 5, 1916.

Application filed July 1, 1915. Serial No. 37,443.

To all whom it may concern:

Be it known that I, NATHAN M. Lownn, a citizen of the United States, residing at Schenectady, in the county of Schenectady and State of New York, have invented a certain new and useful Improvement in Fuel-Distributers, of which improvement tion is to provide an improved detachable distributer hood which may be attached to the end of the fuel pipe within the furnace for more effectually distributing the fuel at one or both sides of the furnace; and another object is to provide improved means for protecting the hood from the excessive heat of the furnace and thereby greatly increasing the useful life of the same.

In the accompanying drawings: Figure 1 is a side elevation of one form of my improved distributer hood attached to the end of the shank of the fuel pipe extending through an opening in the water leg of a boiler furnace, the water leg of the boiler being indicated in section; Fig. 2, a front elevation of the distributer hood; Fig. 3, a longitudinal section of the same taken on the line 33 of Fig. 2; Fig. 4, an inverted plan of the same; Fig. 5, a longitudinal sec tion taken on the line 55 of Fig. 2; Fig. 6, a transverse section taken on the line 6-6 of Fig. 3; Fig. 7, an inverted plan showing a modification; Fig. 8, a longitudinal section taken on the line 88 of Fig. 7; Figs. 9 and 10, a side and front elevation, respectively, of the same; Fig. 11, an inverted plan showing another modification; Fig. 12, a side viewof the same; and Fig. 13, a transverse section taken on the line 13-13 of Figs. 11 and 12.

According to the construction shown in Figs. 1 to 6 of the drawings, my improved distributer hood, 23, comprises a metal casting formed with a substantially flat top wall, 7, having a downwardly extendlng side wall or flange, '8, flaring toward its forward end, and extending the full length of the hood at one side, and a shorter wall, 9, at the other side extending forward only about one half the distance. The shorter wall, 9, is preferably located on the side of the hood toward the side of the furnace, and for deflecting a portion of the fuel laterally toward the side of the grate, a curved flange, 10, is provided depending from the top wall, 7, and extending from the middle portion of the hood around to the side thereof near its front end, and in a direction substantiallyat right angles to the longi- 'out and distributed uniformly over a longitudinal section of the grate area. The forward end of the side wall, 9, may be formed with a laterally extending flange, 11, to assist in the distribution of the portion of fuel H deflected by the curved flange, 10.

In order to protect the metal casting from the excessive heat of the furnace, I provide a layer or covering of refractory material, 12, such as fire clay or other composition, which may beapplied in a plastic state, extending over the top of the wall, 7, and down over the side wall, 8 the same being rigidly secured upon the-"metal casting by means of integral ribs, {1.3; formed upon the outer surface of the casting, and embedded within said material. Any desired number and arrangement of ribs may be employed.

The distributer hood is designed to be attached, by suitable flanges, 4, to the end of the shank, 17, of the elbow, 16, extending from the fuel pipe, 15, through the opening in the water leg, 18, of the furnace wall, as shown in Fig. 1, the elbow being provided with an air blast, 20, and a stem jet,'19, for forcin the fuel through the distributer. The mo ification shown in Figs. 7 to 10 of the drawings, is similar to that above described, except that two curved deflecting flanges, 10 and 10", are employed meeting together at substantiallythe center line of the hood and curved outward toward the opposite sides thereof. These flanges extend downward from the flat top wall, 7, and the the lower edge of the flange and longitudi-- nally of the grate, on the side toward the center than on the other side.

In the construction shown in Figs. 11, I2

. and 13, the curved flange, 10, at one side is substantially the same as shown in Fig. 4, while a smaller and shorter curved flange, 10, is provided on the other side of the hood, leaving a free open space between the inner ends of the two curved flanges,

' through which a portion of the fuel may be discharged longitudinally to the forward part of the grate. An opening, 11, is formed in the side wall, 8, at the outer end of the small curvedflange, 10, for discharging a portion of the fuel laterally over the grate. v

In all of the modifications a portion of the fuel will be thrown directly forward beneath the lower edge of the curved deflecting flanges, and on to the forward part of the grate, while another portion will be deflected laterally by one or both curved flanges, and be discharged laterally atone or both sides of the distributer.

The protective fire clay covering, 12, may

be applied to all of the modified forms of distributer 'hoods, and, as shown in Figs.

- 7 and 8, the top wall, 7, is provided with flaring openings to assist in securing the protective covering.

' Having now described my invention, what I claim as new and desire to secure by Letters Patent is:

1. In a mechanical stoker for boiler furnaces, the combination with a fuel discharge pipe extending through an opening in the furnace wall, of a distributer hood connected to the end of said pipe within the furnace, said hood comprising a casting having a substantially flat top wall, side walls, and

. a depending curved flan e extending from the middle portion of said hood around to the side and beyond the end of the side wall for discharging a .portion of the fuel laterally toward the side of the furnace.

2. In a mechanical stoker for boiler furnaces, the combination with a fuel discharge pipe extending through an opening in the furnace wall, of a distributer hood detachably connected to the end of said pipe within the furnace, said hood comprising a casting having a substantially flat top wall, side walls, and a curved vertical flange projecting downward from the under surface of sald top wall and extending around to the side of the casting and beyond the end of the side Wall for deflecting a portion of the fuel laterally toward the side of the furnace.

3. A fuel distributer for furnaces comprising a hood adapted to be detachably connected with a fuel pipe Within the furnace, and formed with side walls and a flat top wall having a depending curved flange extending; from the middle portion thereof around to one side and beyond the end of the side wall for deflecting a portion of the fuel laterally toward the side of the furnace.

4. A fuel distributer for furnaces comprising a hood adapted to be detachably connected with a fuel pipe within the furnace, and formed with two vertical side walls and a flat top wall having two depending curved flanges extending from the middle portion of said hood around to the opposite sides thereof and beyond the side walls for deflecting a portion of the fuel laterally over the grate at both sides of the hood.

5. A fuel distributer for furnaces comprising a hood adapted to be detachably connected with a fuel pipe within the furnace, and formed with a flat top wall having two depending curved flanges extending from the middle portion of said hood around to the opposite sides thereof for deflecting a portion of the fuel laterally over the grate at both sides 'of the hood, one of said deflecting flanges being of less vertical height than the other.

6. A fuel distributer for furnaces comprising a hood adapted to be detachably connected with a fuel pipe within the furnace, and formed with two side walls and a flat top wall having two depending curved flanges extending from the middle portion of said hood around to the opposite sides thereof and beyond the side walls for deflecting a portion of the fuel laterally over the grate at both sides of the hood, there being a free and unobstructed passage between the inner ends of said flanges at the middle portion of said hood for the discharge of fuel forward longitudinally of the grate.

NATHAN M. LOWER.

Images