US1047127A - Oil-burner. - Google Patents

Oil-burner. Download PDF

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Publication number
US1047127A
US1047127A US67917812A US1912679178A US1047127A US 1047127 A US1047127 A US 1047127A US 67917812 A US67917812 A US 67917812A US 1912679178 A US1912679178 A US 1912679178A US 1047127 A US1047127 A US 1047127A
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pipe
air
cap
fuel
air pipe
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US67917812A
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Erastus A Hodge
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Erastus A Hodge
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D5/00Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel

Description

E. A. HODGE.
OIL BURNER. 7
APPLICATION FILED FEB. 21, 1912.
1,047, 1 7 I Patented Dec. 10,1912.
V Inventor Attorneys EEASTUS A. HODGE, OF SPOKANE, WASHINGTON.
OIL-BURNER.
Specification of Letters Patent.
Patented Dec. 10, 1912.
Application filed February 21, 1912. Serial No. 679,178.
To all whom it may concern:
Be it known that I, ERASTUS A.'HODGE,' a citizen of the United States, residing at Spokane, in the county of Spokane and State of Washington, have invented a new and useful Oil-Burner, of which the following is a specification.
This invention relates to oil stoves, and particularly to burners for oil and other liquid fuels.
The object of the present invention is to provide for an improved burner of this character for attaining a maximum heat with a minimum consumption of fuel, or for attaining the highest degree of combustion of the fuel.
It is a further object of the present invention to provide a simple, inexpensive, serviceable and eflicient device of this character.
To the above ends this invention is embodied in the novel construction and combination of parts elicited in the following description and pointed out in the appended claims, reference being had to the accompanying drawings, wherein similar refer ence characters indicate similar parts, and wherein:
Figure 1 is a vertical central section of an oil stove showing the burner of the present invention. Fig. 2 is an enlarged detail in section. Fig. 3 is asectional view of a burner as applied to an ordinary cook stove.
Referring specifically to the drawings, the numeral 12 designates a cylindrical casing, which has the legs 23 for supporting same, and a stove pipe 13 is connected to the upper end thereof for carrying ofi the gases. .A down draft pipe 16 is secured to and depends from the top of the casing 12 and opens through the top of the casing, andan up-draft pipe 17 passes under the casing 12 and has the extremity 18 thereof bent upwardly to pass through the bottom of the casing. The up-draft pipe 17 is provided with a valve 19 for controlling the passage of air therethrough, and a valve 15. is slidably mounted on the top of the casing. 12 to slide overthe upper end of the downdraft pipe 16 to control the passage of the air downwardly therethrough. A fuel sup ply pipe 5, which is connected to a suitable supply tank 1 preferably disposed above the level of the stove whereby the fuel is fed by gravity to the stove, enters the top of'the casing 12 and is coiled downwardly around the down-draft pipe 16 to provide a vaporgenerating coil 8, and the end 9 of the supply pipe 5 enters the down-draft pipe 16 in proximity to its lower end and projects toward the lower end of the said pipe 16. A branch pipe 10 is connected to the lowermost convolution of the vapor generating coil 8 and extends downwardly beyond the upper end of the up-draft pipe 17, the end 11 of the said branch 10 entering the pipe 17 in proximity to" its upper end and projecting toward the upper end of the said pipe. The pipes 16 and 18 are arranged vertically in alinement, whereby the inner ends of the down-draft and up-draft pipes project toward each-other and open through the top and bottom of the casing 12, respectively. The fuel supply pipe 5 is provided with a valve6 for controlling the passage of the fuel therethrough and below the said valve 6 there is provided a sight feed 7 by means of which the flow of the fuel may be observed. A removable conical cap 2 1 is'mounted or seats on the upper end of the up-draft pipe, and a spreader 20 is secured to the up-draft pipe adjacent to said cap 24 or below the end of the pipe 18. The up-draft pipeis provided with a plurality of apertures or perforations 25 intermediate the cap 24.- and the spreader 20 which provide for lateral outlets. A drippan 21 having theup-turned edge 22 is secured to the up-draft pipe below the burner 20, and has the periphery thereof spaced from the walls of the casing 12.
In use, the cap 2 1 having been mounted on the upper end of the up-draft pipe and the branch 10 having been closed or stopped up by a valve 26 as seen in Fig. 2, or in any suitable manner, the liquid fuel in passing through the vapor generating coil 8 becomes vaporized and passes out of the end 9 of the pipe 5. When the vapor passing from the end 9 of thepipe 5 is ignited, the flame strikes the conical cap 2% and is prevented from entering the updraft pipe and strikes the spreader 20, which spreads the flames laterally toward the side walls of the casing 12,.the air being drawn downwardly through the downdraft pipe 16 to mix with the vaporized fuel, and air also passing upwardly through the up-draft pipe and through the lateral outlets 25 in the upper end of the updraft pipe to assist in spreading the flames and for attaining a high degree of combustion. The air in passing upwardly through the casing 12 and passing around the periphery of the drip pan 21 turns the flame or flames upward to prevent the flame or flames from striking the walls of the casing. When the cap 24 is removed and the passage through the branch 10 is opened, the vapor is emitted from the end 9 of the pipe 5 and the end 11 0f the branch 10 which project toward each other, thereby causing the flames to meet midway between the adjoining ends of the downdraft and updraft pipes, which will cause the flames to spread to produce an intense heat, the air being drawn through the downdraft and up-draft pipes to assist in the combustion of the vaporized fuel.
The generation of the vapors may be facilitated by first permitting a small quantity of the oil or other liquid fuel to drip into the drip pan 21, and then by igniting the fuel within the drip pan, the generating coil 8 will become heated to provide for the initial generation of the vapor and upon the vapor being ignited, the flame or flames will then heat the generating coil to continue the generation of the fuel.
In the form shown in Fig. 3, wherein the combustion chamber of an ordinary cook stove 12 is illustrated, an air supply pipe 17 enters the stove and projects upwardly into the combustion chamber, as designated by the numeral 18', the end 16' of the said pipe being turned downward or depending within the combustion chamber. A generating coil 8 is arranged above the end 16 of the air pipe and has one end thereof entering the air pipe and projecting toward the depending end thereof, and the other end of the generating coil is connected to a fuel supply pipe 5. A drip pan 21 is disposed below the depending end 16 of the air pipe and at the bottom of the combustion chamher, and a spreader 20 is supported above the said drip pan below the end 16' of the air pipe. The air pipe is provided with a suitable valve 19 for controlling the passage of air therethro-ugh. In this construction the flame strikes the spreader 20, similar to the spreader 20 in the former construction, and the coil 8 becomes heated to convert the liquid fuel into a vapor.
From the foregoing, it will be seen that this construction is susceptible of alterations in its details, to adapt it for various purposes, within the spirit of the present invention, providingsuch alterations are within the scope of the appended claims.
These burners may be applied to stoves, furnaces, steam boilers and the like, and may be applied in numbers as may be desired or necessary. In providing a cluster of the burners, suflicient heat may be provided for almost any purpose. It is also apparent that these burners may be turned at various angles, it not being essential to have the draft pipes in a vertical position, such as shown.
Having described the invention, what is claimed as new is:
1. In an oil burner, an air pipe, a fuel pipe having one end projecting toward the air pipe, a cap on the end of the air pipe, and a spreader on the air pipe adjacent the cap, said air pipe having apertures therein intermediate the cap and spreader.
2. In an oil burner, air pipes having their ends projecting toward each other, a fuel pipe having one end entering one of the air pipes and projecting toward the other air pipe, a cap on the end of the other air pipe, and a spreader on the last-mentioned pipe adjacent the cap, the last-mentioned pipe having apertures therein intermediate the cap and spreader.
3. In an oil burner, air pipes having their ends projecting toward each other, a fuel pipe having one end entering one of the air pipes and projecting toward the other air pipe and having a branch entering the other air pipe and projecting toward the former air pipe, a removable cap on the end of the last-mentioned pipe, and a spreader on the last-mentioned pipe adjacent the said cap, the last-mentioned pipe having apertures therein intermediate the cap and spreader.
4. An oil burner comprising upper and lower air pipes projecting toward each other, a fuel pipe coiled around the upper air pipe and having the end thereof entering the upper air pipe and projecting toward the lower air pipe and having a branch entering the lower air pipe and projecting toward the upper air pipe, a removable cap on the end of the lower air pipe, a spreader on the lower air pipe adjacent the cap, the lower air pipe having apertures therein intermediate the cap and spreader, and a drip pan on the lower air pipe.
5. In an oil burner, air pipes having their ends projecting toward each other, a fuel pipe having one end entering one of the air pipes and projecting toward the other air pipe, and a spreader on the other air pipe below the end thereof.
6. In an oil burner, an air pipe, a generating coil having a branch entering the air pipe, and a cap on the end of the air pipe, the air pipe having apertures therein adjacent the cap.
7. In an oil burner, air pipes having their ends projecting toward each other, a fuel pipe having one end entering one of the air In testimony that I claim the foregoing pipes and projecting toward the other air as my own, I have hereto affl zed my s1gnapipe and having a branch entering the other ture in the presence of two wltnesses.
alr pipe and projecting toward the former ERASTUS A. HODGE. air pipe, and a cap on the end of the last Witnesses:
mentioned pipe, the last mentioned pipe EMMA JOHNSTON,
having apertures therein adjacent the cap. ARTHUR H. BANNON.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.
US67917812A 1912-02-21 1912-02-21 Oil-burner. Expired - Lifetime US1047127A (en)

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US67917812A US1047127A (en) 1912-02-21 1912-02-21 Oil-burner.

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