US1005241A - Hydrocarbon-burner. - Google Patents

Description

F. W. LEHMAN.

HYDROOABBON BURNER.

APPLICATION IILED OCT. 8, 1910.

Patented Oct. 10, 1911.

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F. W. LEHMAN.

HYDROGARBON BURNER.

APPLICATION FILED OUT. 8, 1910.

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FREDERICK W. LEHMAN, 0F MINNEAPOLIS, MINNESOTA.

HYDROCARBON-BURNER.

Specification of Letters Patent.

Patented Oct. 10, 1911.

Application filed October 8, 1910. Serial No. 586,009.

To all whom it may concern:

Be it known that I, FREDERICK 1V. LEI-I- MAN, a citizen of the United States, residing at Minneapolis, in the county of Hennepin, State of Minnesota, have invented certain new and useful Improvements in Hydrocarbon-Burners; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to hydrocarbon burners.

The object of the invention resides in the provision of a device of character named which may be easily applied to and detached from stoves, furnaces, boilers and the like whereby same may be heated through the medium of liquid fuel.

A further object of the invention resides in the product-ion of a hydrocarbon burner which will be simple in construction, efficient in use and which can be manufactured at a small cost.

With the above and other objects in view, the invention consists in the details of construction and the arrangement and combination of parts to be hereinafter more fully described and particularly pointed out in the appended claim.

In describing the invention in detail reference will be had to the accompanying drawings wherein like characters of reference denote corresponding parts in the several views, and in which- Figure 1 is a side elevation of a hydrocarbon burner constructed in accordance with the invention; Fig. 2, a plan view of the burner; Fig. 3, a section on the line 3 3 of Fig. 2, and Fig. 4, a vertical section'of the lower end of an ordinary drum stove showing the burner associated therewith.

Referring to the drawings the burner is shown as formed of a casting A which in cludes a hollow oval upper portion 10 the interior 11 of which constitutes the vaporizing chamber of the burner. The top wall of the portion 10 is provided with an oil inlet opening 12 through which oil is conveyed to the vaporizing chamber 11 by means of a supply pipe 13, one end of which is mounted in the opening 12. The casting A further includes a substantially tubular portion 14 connected to the portion 10 by means of a bridge 15. The upper side of one end of the portion 14 is disposed in spaced relation to the lower wall of the portion 10 and the interior of the tubular portion 14 is connected to the interior of the portion 10 by means of a passage 16 extending through the bridge 15 and through a plug 17 threaded in one end of the tubular portion 14. The end of the tubular portion 14 which is disposed farthest from the bridge 15 is bent upwardly toward the portion 10 and extends through the top and bottom walls of the latter, whereby one end of the tubular portion 14 opens through the top wall of the portion 10. The upper side of the wall of the portion 14 is provided with an opening 18 which is located substantially in vertical alinement with the oil inlet opening 12 for a purpose that will presently appear. The interior of the portion 14 constitutes the mixing chamber of the burner and a flame spreader 19 is mounted on the top of the portion 10 and overlies the upper end of the mixing chamber. This flame spreader 19 is of substantially cylindrical formation and has its upper end closed. The lower end of the spreader 19 is provided with spaced legs 20 to permit the entrance of air into the interior of the spreader at the bottom thereof. The cylindrical wall of the spreader 19 is slotted transversely as at 21 and through this slot the flame is adapted to issue during the use of the burner. The passage 16 is controlled by means of a needle valve 22 mounted in the plug 17 and just forward of the inner end of this plug 17 an opening 23 is formed in the lower side of wall of the portion 14. The purpose of this opening is to permit the entrance of air into the interior of the portion 14 to be mixed with the vapor also entering the interior of the portion 14 by way of the passage 16 from the vaporizing chamber.

During the use of the burner not only will the flame issuing from the spreader 19 but a small portion thereof will also escape through the opening 18 in the portion 14 and the flame thus issuing through the opening 18 will contact with the lower wall of the portion 10 directly beneath oil inlet opening 12 and accelerate the vaporizing of the fuel in the chamber 11. A plate 24 is mounted on the supply pipe 13 and is also pierced by the needle valve 22. The purpose of this plate is to close the usual stove or furnace door opening when the burner is inserted in the stove or furnace. Secured to the bottom of the casting A by means of screws 25 and 26 is a drip pan 27 which not only serves to catch any waste from the burner but also renders the latter more stable.

What is claimed is: y

In a hydrocarbon burner, the combination of a vaporizing chamber provided with an oil inlet in its stop wall, a mixing chamber in communication with said vaporizing chamber having the upper side of one end of its wall spaced from the lower wall of the vaporizing chamber and provided with an opening directly beneath the inlet opening in the top wall of the Va orizing chamber, and the other end of its wa l bent toward the vaporizing chamber and extended through the top and bottom Walls of the latter.

In testimony whereof, I afiix my signature, in presence of two witnesses.

FREDERICK W. LEHMAN. Witnesses: A. F. GALE. GLENN D. THAYER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

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