US1039570A - Oil-burning steam-boiler. - Google Patents

Description

W. J. MCLEAN L J. L. MOCAULEY.

OIL BURNING STEAM BOILER.

APPLICATION FILED APR.27, 1911.

Paienedv Sept. 24 1912.

A ng/1,@ @5in/ UNITED STATES PATENT OFFtCE.

"WILLIAM J. MCLEAN AND JOHN L. MGCAULEY, OF BELLNGHM, `WASHINGTOl.

OIL-BURNING STEAELBOLER.

roe-29,570.

Specification of Letters Patent.

.Patented Sept. 24, 1912.

Application led Apri! 27, 1911. Serial No. 623,745.

obtained, and further, in the provision ot atl construction permitting); oli a single burner hcinpj operated, as desired, wit-hout injury lo thc tire box.

ther objects will he set forth as our descriplion progresses and those features of construction, arrangements and combination ol.' parts on which we desire protection, succinctly defined in our annexed-claims.

lelerriiio` to the :icctuupanying drawing,

wherein like numerals ot reference indicate lil'o parts throughout the several views:

l `iuure l is a 'fragmentary longitudinal sec lion through the tire box ot a locomotive boiler, equipped and constructed in accordance with our invention. Fig. 2 is a transverse section thereor" taken on line 2 2 of Fir'. l. B is a longitudinal section, on large scale. through the lower portion of the lire box und underlying' air conduit, the valves or dampcrs for the latter being shown in open position, und hief. i is a fragmentary end elevation. illustrating more ok rt-iculzirly the valve controlliinr mechanism.

Referring to the drawing by numerals of reference, l indicates thecombustion chamber troni which the tlues 5 lead, said chamhcr which is ot usual construction, being clos-cd at the top by a crown wall or sheet Q and surrouudml by water jacket 3, closed at it.`l lower portion by a mud ring, Ll.

The bottoni ot the tire box is Yformed by a metallic wall l, lined with 'ire brick or other suitable refractory material, 7, and ben mth wall G we provide a longitudinal ait conduit S whosey bottom is inclined downwardly toward suitable air intake openings, that are provided in its end portions the said inclination of the bottoni being' provided to prevent accumulation of oil in the air conduit. These conduit intake openings are controlled by valves or dempers 9, 9.

, 1. e u Reterence numeral 10 indicates air inlets provided in the bottom Wall G ot' the lire box to establish communication between the lat.- ter and conduit S, these air inlets conveniently consist-ingot short tubes fixed to the metallic Wall 6 and projecting through lining 7 to be protected by the latter, as is Well understood.

in accordance with our invention, the bottom wall 6 extends horizontally, or substantially so, for the entire distance between the vertical end walls 11 and 12, in the former of which a suitable burner 13 oi the hydrocarbon type, is mounted to direct its llame across the path ot the air discharging from inlets 10.

The series of air inlets 10 extend troni burner 13 to side walls 'l- .und to wall 12, which latter has an inwardly and upwardly inclined delecting portion 12', overlyingn some of the air inlets 10. We also provide air inlets, as 15 and 1G in end wall 11 and side walls 14- respeetively. Through this arrangement. of inlets for the admission of air, we have found by actual test that a practically perfectcombustion of the fuel is obtained, enabling the generation of steam economically, as contradistinguished from dcvices o like nature used prior to our invention. Further, end wall 12 is protected against injury by the heat, through the admission of air at the base, or beneath the overhanging' portion 12l thereof, which latter in deilecting the air inwardly retards or tends to hold part ot the same. ln the furtherance of this object, we preferably provide means for siniul'taneously swingingvulves 9, 9" with the viili'e 9i being operated the greater distance to thereby obtain a larger supply of air at the point farthest re- -nioved from burner 13, said means comprising an operating; lever 17, having arms projecting on oppositesides ot its tulcruni 17a and connected by linlrs 1S and 19 with valves S, i res iec'tively, the connection of the link 19 with its valve 9 beine,- nearerPthe axis of movement of the valve than the connection ot the link 1S with its valve 9. `With this arrangement, it- Will be evident that' inasmuch as the valve 9 tance than the valve 9, more air can enter at. the end controlled by said valve il", and a greater circulation of air will therefore taire place alongside the Wall 12. This comparatively .Ureat volume of serves to keep end wail 12 cool and therebyv protects is o en a Greater clised for engagement with a pin 21 of valve 9,

through the medium of which independent opening movement of the valve is permitted. An abutment orstrike part 22 on the side wall of conduit 8, trips link 19 durin downward swinging of valves 9, 9 when t e lever 17 is raised thereby permitting the last named valve to close in case it has been manually opened and held by the outer of the teeth 20..

Various changes can be made in the details of our herein disclosed construction, as

fall within the scope of our annexed claims. e

Having thus fully described our invention, what we claim as new and desire to secure by Letters Patent of the United States, is:

1. In a structure of the character`v set forth, the combination with a furnacehaving an air inlet and a burner for projecting a Haine int'o said furnace, of means for supplying air to the inlet comprising a conduit having opposite intake openings, and a bottom that inclines downwardl in opposite directions from an intermediate point toward said intake openings. 1

2. In a structure of the character set forth, the combination with a furnace having an air inlet and a burner for .introducing a liame into said furnace, of means for supplying air to said inlet, comprising` a conduit having a plurality of openings, valves controlling the openings, and common means for actuating the valves and causing one to move a greater distance than the othe 3. In a 'structure of the character set forth, the combination with a furnace having an air inlet and a burner for introducing a flame into said furnace, of means for vsupplying air to said inlet, comprising a conduit having a plurality of openings, valves controlling the openings, and common means for actuating the valves and permitting one to be operated independently of the other. I

4. In a structure of the vcharacter set forth, the combination with a furnace having a plurality of air inlets and a burner for introducing a flame into said furnace-- at a f'predetermined point, of means for supplyl*ing air to said inlets, comprising a conduit having a plurality of openings located at different distances from the burner valves controlling the openings, and common means for actuating the valves and causing one to movea other. A

In a structure of. the character set forth, the combination with furnace having a plurality of air inlets and a burner for introducing a flame into 'said furnace at a predetermined point, of means for supplying air to said inlets, comprising a conduit' greater distance than the forth, the combination with a furnace havy ing an air inlet and a burner for introducing a :dame into said furnace, of means for supplying air to said inlet, comprising a conduit having a plurality of openings, valves controlling the openings, an actuating lever, and links connected to the lever and to the valves to cause both valves to be operated, and one to move to a more open position than the other.

7. In a structure of the 'character set forth, the combination with a furnace having an air inlet and a burner for introducing a ameinto said furnace, of means for supplying air to said inlet, comprising a conduit having a plurality of openings, valves controlling the openings, an actuating lever, and links connected to the lever and to the valves, one of said connections being detachable and adjustable.

Stvln a structure of the character set fortli,.the"ombination with a furnace havingva plurality of air inlets in its bottom,

and a burner for introducing a dame into said furnace at a predetermined point, of means for supplying air to said inlets, comprising a conduit below1 the bottom having opposite intake openings, one of which is located nearer the burner than the other, swinging valves controlling the intake openings, an actuating lever, links'connecting the lever with the valves to swing both to open position and arranged to move one a greater distance than the other, and an adjustable connection between one of the valves and its link.

In testimony wheredf we atlix our signatures in presence of two Witnesses.

WILLIAM J. MCLEAN. JOHN Il. MOAULEY. l/Vitnesses MORGAN iVHnnLnn, `W. H. LANcWonfrHY.

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