US1329066A - Joseph g - Google Patents

Description

J. a. WIDHELM.

VAPOR BURNER. APPLICATIQN map JUNE 14. 1919.

1,329,066, Patented Jan. 27, 1920.

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JOSEPH G. WIDHELM, 0F FREMONT, NEBRASKA.

VAPOR-BURNER.

Specification of Letters Patent.

Patented Jan. 27, 1920.

Application filed June 14, 1919. Serial No. 304,220.

To all whom it may concern:

Be it known that I, JosnrH G. WIDHELM, a citizen of the United States, residing at Fremont, in the county of Dodge and State of Nebraska, have invented certain new and useful Improvements in Vapor-Burners, of which the following is a specification.

This invention is intended more particularly to provide a vapor burner for use 111 the tank heater disclosed in Letters Patent No. 1,273,560, granted to me, July 28, 1918, the obj ect of the present invention being to provide a burner of simple and efficient construction whereby an adequate supply or heat will be provided and low grade fuel oils may be used without clogging of the burner or any of its parts and without the accumulation of soot or other deposits upon any of the parts of the burner.

The invention is illustrated in the accompanying drawings, in which:

Figure 1 is a view, partly in section and partly in elevation, showing the burner in position within a tank heater of the type above mentioned;

Fig. 2 is a detail perspective view of the vapor guard.

The tank heater comprises a body 1 having a heating chamber 2 and a removable partition 3 at the inner end of the said chamber. A vertically disposed air chamber 4 is also provided on the heater, and, in carrying out my present invention, a fuel supply pipe 5 leads from a supply tank (not shown) downwardly through the chamber 4 and passes through the partition 3, as shown at 6. The inturned lower end of the supply pipe 5 enters a retort or vaporizing chamber 7 and a cut-01f valve casing 8 is'interposed in the supply pipe at any preferred point, to control the supply to the burner. From the vaporizing chamber 7, a vapor conducting pipe 9 leads downwardly and is then turned forwardly to provide-a branch 10 below the under side of the retort. A needle valve 11 is mounted in this branch 10 and controls the flow through an outlet 12 in the upper side thereof, the stem 13 of the Valve depending from the branch 10 and being equipped with any convenient from of handle 1%. Mounted upon the stem 13 below the branch 10 is an ignition cup 15 which may, if preferred, be packed with asbestos or other wicking to facilitate lighting. This cup is held in place by a nut 16 on the stem which clamps the cup against a shoulder 17 on the burner tube or the branch 10 and between said shoulder and the cup 15 is interposed a foot 18 of a vapor guard 19. The guard 19 is an open-ended upwardly tapering tube arranged above the vapor valve 11 in such position that the vapor escaping through the port 12 must rise through the guard. The foot 18 depends from the lower edge of the guard and extends over the end of the burner tube with its extrem ity turned under the tube to fit around the valve stem 13, as shown. The depending portion of the foot is provided with an opening 20 to engage a plug or projection 21 at the end of the burner tube and thereby aid in holding the guard in its proper position. Diametrically opposite the foot 18, the guard is provided with a lateral foot 22 an ranged to rest on the branch 10 and clamped thereto by a clip 23. On the upper end of the guard is a flared outlet ring or collar 21 and supported upon and over said collar is a baflie plate 25, said plate being supported by links 26 extending between the same and the collar and so arranged and spaced that two of them will be in the vertical plane of the pipe connections to the retort and will, therefore, divert the flame from said conneotions and prolong the life of the same.

Adjacent the retort and in advance of the same, I interpose in the supply pipe a T-coupling 27 from which a nipple 28 depends, the lower end of the nipple being closed by a removable cap 29. The sediment in the oil will drop into and collect in this nipple and, consequently, will not pass into the retort and clog the same. By removing the cap, the nipple can be easily cleaned.

It will be readily noted that the parts of my burner are very compactly arranged and will fit easily and neatly within the heating chamber of the tank heater 1. Then it is desired to use the burner, the valve 11 is adjusted to permit some of the oil to overflow through the port 12 and fill the cup 15. The valve 8 is then closed so as to cut 011 further flow of fuel and the oil in the cup ignited whereupon the flame will play upon the branch 10 and the retort so that the oil in the same will be vaporized. WVhen the subsidence of the flame indicates that the excess fuel has been consumed, the valve 8 may be again opened and the vapor issuing through the port 12 will then be ignited. If desired, a pilot burner may be provided to automatically ignite the issuing vapor.

The flame of the burning vapor Will produce the heat needed for the heating chamber 2 and will also play directly upon the body of the retort or vaporizing chamber 7 so that the oil admitted thereto will be vaporized and will burn without soot or smoke or other deposits at the port 12.

In actual practice, this device gives a clear blue hot flame from very low grades of kerosene and similar oils. It Will be noted that the under wall of the retort 7 is concave so that carbon deposits Will not find a lodging place thereon and the surface of the retort is maintained open to the direct action of the flame. It will also be noted that the upper surface of the retort is convex so that any particles which might tend to lodge thereon will be turned aside and will roll therefrom and drop to the bottom of the heating chamber. The retort is made of any durable material and may be sheet metal or cast metal, but of whatever material it is made the Wall should be of such thickness that the heat will be readily given off to the oil in the retort so as to quickly vaporize the same. The port 12 and valve 11 are located directly below the concave bottom of the retort and close thereto so that all the vapor escaping through the port will be directed against the retort. The required heating of the retort will thus be easily and quickly attained and the operator may adjust the valve so as to economically obtain any desired degree of heat. The flow of vapor may be so nicely regulated that when the vapor strikes the bottom of the heated retort, an intense blue flame is produced and all carbon or other elements which, with other burners, tend to accumulate on the retort are consumed. The vapor valve 11 is easily accessible so that it can be regulated without danger to the operator. The vapor guard receives the vapor as it passes from the vapor valve and ignites, thereby protecting it from possible side drafts while admitting sufficient air to produce perfect combustion. The flame strikes the bafile and is deflected over the edge of the collar so as to play over the entire surface of the retort. quickly to the degree necessary for vaporization of the fuel without requiring a large iianze. Low grades of oil may be used and will burn perfectly under all conditions of fiiil'lCI without soot or smoke for a long time without any attention from the operator.

Having thus described the invention, What is claimed as new is:

1. In a device for the purpose set forth, the combination of a retort, a burner below the retort, a valve in the burner having its stem depending below the same, an openended tubular vapor guard disposed between the burner and the retort, a foot depending from the guard below the burner and engaging the valve stem, and means for securing said foot to the valve stem.

In a device for the purpose set forth, the combination of a retort, a burner below the retort, a valve in theburner having its stem depending below the same, an openendcd tubular vapor guard rising from the burner. a projection on the burner, a lateral foot on the guard resting on the burner, means for securing said foot to the burner, a second foot depending from the guard and engaging over the projection on the burner and around the valve stem, and means for securing said foot.

In testimony whereof I affix my signature.

JOSEPH G. WIDHELM. [Ls] The retort is heated

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