US1113108A

US1113108A - Centrifugal oil-burner.

Info

Publication number: US1113108A
Application number: US79258913A
Authority: US
Inventors: Milton A Fesler
Original assignee: FESS SYSTEM CO
Current assignee: FESS SYSTEM CO
Priority date: 1913-09-30
Filing date: 1913-09-30
Publication date: 1914-10-06
Anticipated expiration: 1931-10-06

Description

M. A. FESLBR.

CENTBIFUGAL OIL BURNER.`

APPLICATION FILED SEPT. 30, 1913. 1,1 1 3,108. Patented ont. 6, 1914.

2 SHEETS-SHEET 1.

man nx- M. A. FESLER.-

CENTBIFUGAL OIL BURNER.

APPLIQATION FILED s211130. 1913.

1,1 1 3, 1 08. 'Patented 00u. 6, 1914.

2 SHEETS-SHEET 2.

VITN ESSES: 1N VEN TOR %M Mw mgfsk UNrrED STATES PATENT oFFIoE.

MILTON A. FESIER, 0F SANFRANCISCO, CALIFORNIA, ASSIGNOR IO FESS SYSTEM C0., 0F SAN FRANCISCO, CALIFORNIA, A CORPORATION 0F CALIFORNIA.`

CENTBIFUGAL OIL-BURNER.

Specification of Letters Patent.

` Patented oct. 6, 1914..

Application led September 30, 1913. Serial No. 792,589.

T0 all whom 'it may concern.'

Be it known that I, MILTON A. FnsLER, a citizen of the United States, residing in the city and county ofy San' Francisco and State of California, have invented new and useful Improvements in Centrifugal Oil- Burners, of which the following is a speciication.

This invention relates to centrifugal oil burners and particularly pertains to improvements in oil burners such as are shown in Patents Nos. 1,026,663 and 1,064,467, issued to me March 21, 1912, and June 10, 1913, respectively.

It is the object of this invention to provide an improvement in the construction of centrifugal oil burners by which a greater heat generation can be effected than is possible with the oil burners of the types shown in the above-mentioned patents.

Another object is to provide means in a centrifugal oil burner by whichv an increased atomization of fuel oil can be accomplished, and a consequent more intense flame be obtained without necessitating the duplication of the burners.

Other objects will appear hereinafter.

The invention primarily resides in superposing a plurality of centrifugal distributing plates, means for delivering equalwand uniform quantities of oil fuel simultaneously to each of the plates, means for rotating the plates, and means for inducing a draft by the rotation of the plates.

The invention further consists of the parts and the construction and' combination of parts as' hereinafter more fully described and claimed, having reference to the accompanying drawings, in which,-

Figure 1 is a vertical section of the burner, showing the preferred form. Fig. 2 is a detail horizontal section on the line a-a of Fig. 1. Fig. 3 is a horizontal section on the line b-b of Fig. 1, with parts removed. Fig. 4 is a vertical section showing the modification of the invention.

In the drawings A represents a vertically disposed stationary standard having a head or disk 2 on its upper end. Surrounding the standard A is a revoluble tubular shaft 3;

adapted to be rotated from any suitable source of power, which in the form of the with the shaft 3 and is connected thereto by webs or vanes 4', extending between the upper end `of the shaft 3 and the cylinder 4; the vanes 4 being preferably in the form of fan blades spaced any suitable distance apart. The upper end of the cylinder 4 is spaced a short distance below the outer periphery of the head 2 and is formed with an outwardly extending flange 5, the upper edge of which flares or diverges upwardly and outwardly, to form a lip 6.

Supported on spacing blocks.7 on `the flange 5, is an annular distributing plate 8,

which plate is substantially ogee in cross section with its upper portion extending horizontally and with its outer eriphery terminating approximately parallel) with the divergent lip 6 on the flange 5. The lower inner edge ofthe plate 8 is upturned to form an annular basin Qand isspaced from the standard A to form an annular air inlet passage centrally of the plate 8.

Interposed between the upper face of the flange 5 and the underside of the horizontally extending portion of the plate 8 is a series of blades or fans 10 spaced at suitable intervals apart; these blades 10 being designed to induce a flow of air from the interior of the cylinder 4 outwardly between the lip 6 and the outer edge of the plate 8. The edge of the plate 8 is beveled on its underside, as indicated at 11, so as to cooperate with the lip 6 to direct the current of air leaving the space below the plate 8 in an upward direction.

Superposed above the plate 8 is a second distributing plate 12,'which is also ogee in cross sectionzwith -its outer periphery corresponding to the periphery of the lower late 8, and spaced a short distance thererom; the plate 12 being supported upon spacing blocks 13 and rigidly attached to the plate 8. A series of fan blades V14 is interposed between 8 and 12 adjacent their outer edges; the inner edges of the blades 14 being inwardly inclined to prevent oil from passing .thereon to the plate 12. The plate 12 is of a larger inside -diameter than the' plate 8, and its inner margin is turned up abruptly to form an annular channel 15;

the inner edge of the plate 12 being thus offset in relation to the inner edge of the plate 8 and concentric therewith. Y

Supported onthe spacer blocks 16 a short distance above the upper distributing plate `12, isa delector plate 17, which is arranged immediately below the head 2 1n close proximity thereto, with its outer periphery in line with the outer edge of the plate 12. The underside of the head 2 diverges downwardly from its center, and the upper outer edge of the plate 17 is beveled to parallel the vunder surface of the head and thereby form an outwardly and downwardly inclined annular passage. 18 between the underside of the head 2 and the plate 17. The outer portions of the

plates

12 and 17, extending in a horizontal direction, form a horizontal passage 19 therebetween, which passage constitutes an annular discharge for the fuel oil.

The fuel oil is delivered to the channels 9 and 15 on the lower inner edges ofthe plates 8 and 12 through a passage 20 'in the standard A, which passage connects at its lower end with a suitable source of fuel supply and communicates with a horizontally extending manifold chamber v21 at a point between the lower edge of the plate 12 and the underside of the plate 17. The manifold chamber 21 is formed in a stem B extending downwardly from the underside of the head 2 and connecting with the standard A,

Leading from the manifold chamber 21, on the same plane, are tubes 22 and 23 which are turned downwardly at their outer ends. The tube 22 terminates above the channel 15 in close proximity thereto, and the tube 23 terminates above the channel 9, a' short distance therefrom.

In the form of the invention just described, it will be seen that the distributing plates 8 and 12 are connected to the revolubleshaft 3, through the cylinder 4 and vanes 4. By this construction it is necessary to deliver the oil fuel to the distributing plates through the standard A or head 2. By connecting the distributing plates to the revoluble shaft 3 from above, as shown in Fig. 4, in which 24 indicates a spindle connecting the upper edge of the shaft 3 to the plate 17, the fuel may be delivered to the distributing plates through a pipe 20 connecting at its lower end with a suitable source of fuel supply and extend- Aing upward through the central opening of the plates 8 and 12 and terminating in a manifold pipe 21'; the tubes 22 and23 leading downward from the manifold pipe 21. By this arrangement it is necessary to dispense with the blades or vanes 4.

The following is the mode of operation of the apparatus: Fire is. started by anyk suitable means and the shaft 3 is set in motion and driven in any suitable manner; oil being simultaneously supplied to the channels 9 and 15 of the superposed plates 8 and 12 through the feed tubes 22 and 23;

miedos the quantity of oil delivered to each channel 9 and 15 being .equal by reason of the deliv- 'ery of fuel to bot-h feed tubes from the horizontal manifold being the same. The shaft 3 on being rotated carries the distributing plates 8 and 12 therewith, thereby causing the oil supplied tothe channels 9 and, 15 to fiow upward over the upper surfaces of the plates 8 and l2 and be discharged by the centrifugal force through the spaces separating `the plate 8 from the plate 12 and the plate 12 from the plate 17. Simultaneously with the discharge of fuel oil from the periphery of the plates 8 and 12, occurs a flow of air from the interior of the cylinder 4 through the passages between the flange 5 and the lower plate 8, between the plate 8 and the plate 12, between the plate 12 and the plate 17, and between the plate 17 and the head 2; these currents of air being induced by the blades 4-10 and' 14. The air may be supplied to the cylinder 4 in any suitable manner. The current of air discharged below .the plate 8 is deflected upward by the lip 6 and the current of air discharged from above the plate 17 is directed downward by the passage 18, while the currents discharged from above and i below the intermediate plate 12 are directed horizontally. 'Ihe horizontal currents carry the oil which is discharged from the edges of the plates 8 and 12 in fine particles, and both are subjected to the action of the upwardly and downwardly deflected air currents, which cross the horizontal currents and lthereby insure a thorough atomization of the oil and at the same time forcibly supply the oxygen to support combustion.

It has been found in practice that the amount of oil a single plate rotating at a certain speed is capable of atomizing is limited, and that any excess of oil above this amount will be thrown off in such manner as to prevent rapid and complete combustion thereof. For this reason the heat generating capacity of a burner having a single oil distributing plate is limited. By superposing a plurality of oil distributing plates, as herein set. forth, the larea of the distributing surface is increased, thus enabling the production of a more intense heat froma single burner than when a single( distributing plate is used. This arrangement also avoids undesirable enlargement of the burner and renders it compact by reason ofthe distributing plates being superposed; and thus enabling the increase of area of distributing surface without increase in diameter of burner.

Having thus described my invention what I claim and desire to secure by Letters Patent, is

l. In a centrifugal oil burner, the combination of a rotary shaft,l a plurality of superposed oil distributing plates, intermediate means by which the plates are supported and driven, said plates having their outer edges concentric and spaced apart, means for supplying oil to the inner peripheries of the plates, and means for delivering air above, below and between the plates.

2. In a centrifugal oil burner, the combination with a rotary shaft, of a pair of superposed annular oil distributing plates, substantially ogee in cross section, carried by said shaft, vanes in the space between the plates, vanes below the lower plate, said latter vanes carried by the plates, and means for delivering corresponding quantities of oil to the inner margins of said plates.

3. The combination of a rotary shaft, a plurality of superposed oil distributing plates having their outer edges concentric, horizontally directed and spaced apart, means carried by said shaft for supporting said plates and for delivering air above, between and below the same, means for downwardly directing the air supplied above the plates, means for upwardly directing the air supplied below the plates, and

zontally directed, said plates being substantially ogee in cross section, a rotary shaft and intermediate means by which the plates are supported and driven, means-to deliver oil between the plates, and means to deliver air above, between and below the plates so as f to impinge upon the passing oil.

5. A centrifugal oil burner having an upper rotatin oil distributer and a lower rotating oil distributer, and means for delivering a co-acting ail` blast between said distributers.

In testimony. whereof I have hereunto set my hand 1n the presence of two subscribing witnesses.

MILTON A. FESLER.

Witnesses: i y

JOHN H. HERRING, W. W. HEALEY.