US1779167A

US1779167A - Oil burner

Info

Publication number: US1779167A
Application number: US330636A
Authority: US
Inventors: Theodore H Ickenroth
Original assignee: Individual
Current assignee: Individual
Priority date: 1929-01-05
Filing date: 1929-01-05
Publication date: 1930-10-21
Anticipated expiration: 1947-10-21

Description

Patented Oct. 21, 1930 PATENT OFFICE" THEODORE H. ICKENROTH, or oinI'rA'PAnmcamronNIA oIL BURNER Application'flled January 5,1929. "Serial No. 330,636.

This invention relates to improvements in liquid fuel burners and resldes'm the pro- Vision of a simplyconstructed, inexpensive.

and efficient oil burner which is particularly "6 adapted for use in stoves, ranges, and the like and also in furnaces, the construction and arrangement of the burner of this invention providingforthorough vaporizationof low grade, as low' as 32 gravity, fuel and for proper and 'efiective combustion of the vaporized fuel without the use of forceddraft.

One of the purposes of'the invention is to provide a burner ofthecharacter described which will producea hot flame for heavy duty as required in hotel and yrestaurant ranges, furnaces and boilers, with. a 'low fuel consumption and without a forced draft.

A further object is'to provide an, oil burner of the character described which may be readily and easily taken down. and 3 ready access had thereto for cleaning or; repair thereof/j The burnerof this invention isgcharacter ized by a novel form' of distributing head in .J With the above mentioned and other 'objects' in View, the invention consists-in the HOVQl' COIIStIUCtIOII and combination of parts hereinafter described, illustrated in the a0- .c'ompanying drawings, andset forth in-the claims hereto appended, it being understood that various .changes in the form, proportion,

size and minor details of construction within the scope of the claims may be resorted to without departing from the spirit or sacrificingany of the advantages of the invention. Referring to the drawings: I Fig. 1 'representsa vertical sectional view of a burner constructed in accordance with this invention and appearing as when .installed in a stove or furnace.

2 rep-resents "a horizontal sectional view taken on the plane of line 2 -2 of Fig. 1.

The preferred. embodiment of this invention as illustrated in detail in the accompanying drawings comprises an annular ring or frame member 1 of angular form "in cross section V. and adapted for attaching to the An annular-plate 2' is removably supported in theopen'frame 1, there being co-acting lugs 3 and 4 on the ring and plate for this purpose. Thisplate isprovided with an annular trough 5 foroil to be ignited in starting the burner. It is also provided with a central air intake opening 6, through which the oil feed pipe 7 extends upwardly. This air intake opening is screw threaded and receives an externally threaded- .sleeve 8 having an inwardly extending annular flangev 9, the upper side ofwhich is-beveled as at 10. The

size of the air intake opening is varied by vertical adjustmentof-thissleeve and flange and the amount of air to the burner may burner in the fire box of astove or furnace.

easily regulated by this arrangementxThe upper end of the pipe 7 screws into a nipple 11 which depends from the center of a domelike vapor generating chamber 12 which lat {The chamber 12 is made of two parts, the

lower of which is ini'the form of saucer-like plate. 13. with'upturned-outer edges, which latter abut the lower edges of an approximately semi-spherical upper part 14 of the chamber. Formed centrally. of and on the upperside of the part 13 is an upstanding cylindrical enlargementv 15, from the upper end of which a projection 16 extends and is sockete'd .in a dependi1ig boss-16"on theupper partl l of the chamber.

I Oil from the feed pipe 7 will pass into'a-n upright bore 17 in said member 15 and from thence into the. chamber 12 through lateral passages 18 formediin the member 15.

An. annular concavo-convex shield 19 is supported on the member 15- with its con "cave side-opposed tothe plate-like part '13 of said chamber, and itszperiphery spaced from the said part 13. Vapors generated Theseipassagesopen near the center of the under side of the. chamber 12'into' the combustron' and mixing space provided between the chamber 12 and the plate 2. An annular bafile plate 21 is mounted on the nipple 11 and extends between the outlet ends of the passage 20 and the air intake opening 6 in the plate This plate causes the air and oil vapors to travel unmixed, a short distance lateraly into the combustion space be? fore mixing and by this arrangement, a better atomization of the fuel takes place at and adjacent to the periphery of said baflie plate, which latter rests on lugs 22 carried by the plate 2.

In the operation of the burner of this invention, assuming that it is installed in a stove or furnace or other apparatus, and is arranged as shown in Fig. 1, with the pipe 7 connected with a suitable source of fuel supply, not shown, on turning on the fuel so that it will flow into the chamber 12, a suitable amount of liquid fuel will seep through the joint at the point X and drop into the trough 5. This oil is ignited so that the heat generated will bring about a vaporization of the fuel contained in the chamber 12. The liquid fuel passes from the lateral passages 18 into the saucer-like bottom 13 and gravitates towards the outer perimeter of said bottom. This liquid fuel flowing over the heated part 13 is readily vaporized and the vapors pass upward around the shield 19 and then pass downward through the discharge passages 20 into the space between the bottom of the chamber 12 and the plate 2. The fuel then passes laterally over the top of the baflle plate 21 where at the outer periphery of said plate, it encounters currents of atmospheric air and admixture of the air and fuel takes place at this point. The flames are directed outward and upward around the chamber from underneath the same. The atmospheric air passes up through the opening 6 between the sleeve 8, pipe 7 and bafiie plate 21. The amount of atmospehric air admitted to support combustion is regulated by adjustment of the sleeve 8; When the sleeve is moved upward, the beveled face 10 of the flange 9 is moved closer to the nipple 11 and plate 21, thereby restricting the air passage and shutting down the air supply. In causing the air and vaporized fuel to be directed outwardly and laterally a short distance before commingling. a better atomization of the vaporized fuel is provided for and a hot and effective flame is produced. The flame, in forming beneath the chamber, then passing upward and around the edge of the same. provides for effective heating of the lower part of the chamber and assures a proper vaporization of the liquid fuel as it flows downward along said part 13 of the vaporizing chamber. The vapor instead of being directed downwardly as is customary in burners of this type, is caused to be passed upwardly around the shield 19 which acts as a battle, and the complete vaporization takes place before the fuel can be discharged into the combustion chamber through the passages 20. In this way the fuel is thorougly vaporized by the time it is discharged and no raw fuel can escape. The shield 19 prevents that portion of the part 13 over which the fuel flows during vaporization, from becoming overheated. The heat from the upper portion 14: of the chamber 12 would overheat the plate or part 13 and cause a carbon encrustation to form in the chamber if it were not for the presence of the shield 19 and in this way said shield serves a two-fold purpose inasmuch as it also causes an upward passage of vapor over it before discharge of vapor from the chamber. After initial use of the burner, the oil will seep through the joint of the parts 13 and 14 comprising said chamber 12, and drop into the trough 5 so that there will be ready at all times for ignition, a suitable quantity of fuel to heat the vaporizing chamber at the starting of the burner operation. If de sired, a pilot burner indicated by the nu meral 23, may be employed, said burner being connected with a suitable source of gas or other fuel, not shown.

The burner of this invention operates without causing objectionable carbon formations or deposits. Another advantage of this invention is the provision for a quick and easy repairing or cleaning of the burner. It is only necessary to disconnect the pipe 7 from its line of supply of fuel, not shown, then turn the pipe 7 so as to disengage the co-acting lugs 3 and 4t to provide for removal of the burner. After this adjustment of the burner it may be readily lowered through the ring or frame 1 and then removed from the firebox.

The baffle plate 21 prevents condensation of fuel vapors at a point immediately over the air intake opening 6 and thereby prevents dropping of oil down through said opening. This plate also prevents combustion from taking place immediately at the outlet ends of the passages 20 and by this arrangement, the combustion does not take place until the vapors and air have passed laterally away from said passages 20 a short distance. The combustion becomes greater towards the outer edge of the chamber 12 and is complete at points over the annular air space 24 defined between the plate 2 and frame 1. The sleeve '8 is adjusted. to regulate the amount of air passing through the intake opening 6, in consideration of the draft force in the stove or furnace in which the burner is installed. This adjustment is such to permit just sufficient air to cause a gradually increasing combustion towards the outer edge of the chamber 12 rather than a full, sudden combustion. By this arrangement proper and effective combustion is provided for without appreciable noise. The passages 20 are in the form of 'arcuate slots to provide for abetter and more even distribution of the fuel resulting in a better and more even flame.

I claim:"

1. A liquid fuel burner comprising an open frame; a plate mounted in said frame, being imperforate except for a central or intake opening; wardly through said opening; a closed atomizing chamber mounted on and supported by said pipe above and in spaced relation to the plate, said chamber having passages in the walls thereof communicating the pipe with the interior thereof and beingprovided with" her being lowerable through the frame.

2. A liquid fuel burner comprising a closed vaporizing chamber having a fuel intake opening on its lower side and provided with a vapor discharge opening, the entrance of which is disposed abovethe plane of the discharge end of the fuel intake opening.

within said chamber, and the outlet of which vapor discharge opening is disposed adjacent to the central portion of the under side of the chamber; a baffle plate mounted above the bottom of the chamber interiorly thereof, with its outer periphery disposed close to butspaced upwardly from the bottom of the chamber adjacent the outer wall of the latter, over the top of which bafli'e plate, fuel j vapor passes into said discharge opening, a

base spaced from the bottom of'chamber having an air intake opening opposite said vapor discharge'opening; and a second baffle plate disposed between the vapor discharge and the said air intake openings to cause lateral'movement of the air and of the vaporized fuel before'commingling of-said air and vaporized fuel. i

3. A liquid fuelburner comprising a closed vaporizing chamber, a central enlargement interiorly thereof, projecting upwardly from the bottomof the chamber, said enlargement having a fuel intake passage extending first upwardly, then laterally therein, and being also provided with fuel-discharge openings extending vertically therethrough, with their intake ends disposed above-the plane of the discharge ends of the intake passage, and the discharge ends of saidopenings located close to the center of thelower side of the chamber;

a fuel feed pipe extending up.-

and an annular plate of substantially concavo-convex form supported by said enlargement in upwardly spaced relation to the bottom of the chamber and with its outer periphery spaced from the adjacent walls of the chamber to provide'an annular passage for vapor, upwardly through which passage the vapor will rise towards said discharge openings. p

4. A liquid fuel burner comprising an open frame; a plate mounted on the frame, being imperforate except for anair intake opening thereon; a fuel feed pipe extending upwardly through said opening; a closed atomizing chamber mounted on the pipe above and in spaced relation to the plate, a battle member in the chamber disposed between the bottom and the top of the chamber andbeing spaced from the circumferential Wall of the chamber, sail chamberhavingpassages in the 'cen-.

tral walls thereof to connect said feed pipe with the interior of thechamberbelow the baffle plate, and being provided with vapor outlet openings connecting the interior of the chamber above the bafile plate with the space between the chamber and the plate, said 7 vapor outletpassages discharging the vapor at a point substantially opposite the said air intake opening; and a baffle plate between the air intake opening and the discharge of the outlet passages causing lateral movement of air and vaporized fuel before commingling of said air and vaporized fuel.

5. A liquid fuel burner comprising an open frame; a plate. mounted on the frame,-being imperforate except for an airintake opening thereon; a fuel feed pipe extending upwardly through said opening; a closed atomizing chamber mounted on the pipe above and in spaced relation to the plate, a bafile member in the chamber disposedvbetween the bottom and the top of the chamber and being spaced I from the circumferential wall of the chamber,

said chamber having passages in the central walls thereof .to connect said feed pipe with the interior of the chamber below the bafiie plate, and being provided withvapor outlet openings connecting the interior of the chamber above the baffle plate with the space between the chamber and the plate, saidvapor outlet passages discharging the vapor at a point substantially opposite the said air intake opening; a baflie plate between the air intake opening and the discharge of the out-' let passages causing lateral movement of air and vaporized fuel, before c'ommingling of said air'and vaporized fuel; and means for varying the size of the said air intake openin THEODORE H. ICKENROTH."