US1658081A - Burner for lamps for liquid fuel - Google Patents

Description

Feb. 7, 1928. 1,658,081

W. FEZER BURNER FOR LAMPS FOR LIQUID FUEL '1 d F b, A}; e e a13 1924 I I 1 d\ I e f) '1 t1 r M "3 a 1 9 I 1 m I g \f a"' f i i res. 7, F it a e; l

vIILI-IELM FEE-ER, or rnarmronr-onrii reason as STATES earsurorrlcs.

E-MAEN, GERMANY, assronon ro STAND- ann-nronr-snsnnnscnarr M. B. or rnAnKr-on'rortrrrnduaru, GER-MANY.

BURNER son Lane's roza niacin FUEL.

Application filed February This invention relates to improvements infrom the incandescent mantle at the com paratively short part which is closest to the incandescent mantle, the remaining parts of the vaporizer tube which are farther distantfrom the incandescent mantle being less heated, wherefrom results that the hydrocarbon is carbonized at the overheated parts of the vaporizer tube.

In accordance with the invention the feeding from a point above the reservoir and the vaporizing are effected by single tube including a lower portion which extends axially upwardh from above the reservoir in alignment ate bent port-ion and an upper offset'portion both the bent portion and the upper offset portion extending close to and substantially following the contour of the mantle. In prior constructions having a similar external appearance the tube has served as a housing for separate devices or is built up of a number of parts or does not extend axially from the reservoir and does not serve both a feeder and a vaporizer.

Bin embodiment of the invention is illustrated by way of example on the accompanying drawings in which a table lamp ed with an inverted incandescent mantle is shown.

Lhe hollow foot 2) of the table lamp which as reservoir for the hydrocarbon q to be vaporized has a filling tube i for the liquid fuel closed by a screw cap and a pump 1' designed to produce the required u-essure in the resermir. A hollow column a upwardly extending from the hollow foot 1) has a crown s which carries a lyre-shaped support in for a canopy n. The lamp shade w rests on. said canopy n. A tube extending through said hollow column 8 serves to feed the liquid fuel from the reservoir 1) to the vaporizer tube A fixed on the upper end of tube j by means of an internally threaded sleeve u. The feeding and vaporizer tube A comprises a lower portion a which forms the "extension of the tube y, a bent portion with the mantle, an intermediprovid 13, 1924, Serial No. 692,504, andrin Germany February 22, 1923.

c and an upper oil's-ct portion (6 which is parallel to the lower branch 0/ and the coil portion (0 forming an extension of the portion (i A heating cup 7" serving to start the heating is mounted on the lower branch (6', said cup being filled with an easily vaporizing fueltspirit). The coiled portion a wound around tne arm 73 70" of the mixing tube terminates in a nozzle (Z st nding opposite the upwardly extending arm 76' of the U shaped mixing tube on the downwardly directed arm a of which the incandescent; mantle g is suspended with the aid of a porcelain ring 9. The arm 70 of the mixing tube traverses ney 0, a collar Z. of said arm 70 securing the mixing tube in its position, The chimney 0 is carried by the support at through the intern'ie'diary of a casing having slits 'w. The vaporizer tube A the branch at of which extends in axial direction from the column s, s is bent at a so that its arm a is as close as possible to the cylindrical incandescent mantle g for the longest possible extent. The liquid fuel which has been brought under pressure in the reservoir 29 by means of the pump 1' is forced up through the pipe j into the vaporizer tube A in which it is exposed to the action of the heat radiating from the incandescent mantle g. The lamp is lighted by ing cup As the fuel is strongly heated as soon as it enters into the branch (4 of the vaporizer A, the heating increasing gradually and remaining uniform for arather long extent, a carbonizing of the fuel on the strongly heated part of the vaporizer is avoided. and flows out as gas from the nozzle (Z into the mixing tube 70, 70 where it adinixes with the air, the mixture being burned in the inverted incandescent mantle g. I

By reason of the shape of the vaporizing tube the vaporizing tcmmrature attained with certainty, and any objectionable or detrim lital high temperature is avoided. At the same time there are avoided all sharp edges, soldered parts, or parts otherwise joined which would complicate the manufacturing, add to the expense, and cause unsightliness and obstruction of the tube. Furthermore the shape of the tube permits accessibility of the incandescent mantle and re I duce to a minimum shadows from the light.

I claim the bottom plate 0 of a chimthe flame produced in the heat,

The fuel is vaporized in tube A 1. A burner including a reservoir for liquid fuel, a tube extending upwardly from the reservoir, a vaporizing tube having its lower end secured to the said first mentioned tube and having a. nozzle at its upper end, an inverted U-shaped' mixing tube having one end disposed above said nozzle and the other end disposed in alinement with the first mentionedtube and provided with a;

mantle support, a canopy support, a chimney mounted on the canopy support, 'seid mixing tube being supported fromsuid chin'iney, and :1 loop portion formed in the vaporizing tube and encircling one leg of the mixing tube and vaporizing tube including alower portion extending axially upwardlyfrom said reservoir in alignment with the mantle, an

intern'iediate bent portion and an upper ofts-et portion, both the bent portion and the upper oli'set portion extending close to and substantially following the contour of the mantle.

In t c, mony whereof I al'fix my slgneture.

VVILHELM FEZEBQ

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