US1701881A - Camp stove - Google Patents

Description

Feb. 12, 1929. 1,701,881

w. GOLDBERG CAMP STOVE Filed July 7, 1927 v 2 Sheets-Sheet 1 Feb. 12, 1929. 1,701,881

. w. GOLDBERG CAMP STOVE Filed July 7, 192'? 2 Sheets-Sheet 2 Patented Feb. 12, 1929.

UNITED 1,71,381 NT OFFlCE.

WILLIAM GOLDBERG, 0F DENVER, COLORADO.

CAMP STOVE.

Application filed July 7,

tion and which will therefore withstand rough usage. It is a further object to produce a stove that can be conveniently primed and in which neither the burners nor the tank has to be moved during the priming operation. It is a still further object to produce a stove having. an improved wind break and another object is to produce a valve mechanism of novel construction by means of which the priming operation can be conveniently controlled.

The above and other objects that may be come apparent as this description proceeds, are attained by means of a construction and an arrangen'ient of parts that will now be described in detail and reference for this purpose will now be had to the accompanying drawings in which the preferred embodiment of the invention has been illustrated and in which:

Fig. 1 is a front elevation of the stove, showing the same;

Fig. 2 is a view, partly in section, taken on line 2-2, Fig. l; r

Fig. 3 is a section taken on line 3-3, Fig. 2;

Fig. 1 is a section similar tothat shown in Fig. 3 and illustrates a slightly modified con struction;

Fig. 5 is a section of the valve taken on line 5-5, Fig. 7 5

Fig. 6 is a section taken on line 6-6, Fig. 5;

Fig. 7 is a section taken on line 7 -7 Fig. 5;

Fig. 8 is a view showing a modification of the priming valve construction; 7

Fig. 9 is a section taken on line 9--9, Fig. 8; and

Fig. 10 is a section taken on line 10-10, Fig. 1. V 1

My stove comprises a casing having a bottom 1, a side member 2 and ends 3 and 4-. The side opposite side 2 has been indicated by numeral 4: and is lower than the side 2. The ends 3 and 4 are bent so as to provide short portions 5 and 6 which are secured to the side 4 in the manner shown in Fig.1. Extending longitudinally of the casing and parallel with the sides 2 and 4 is a hollow partition. In 3 this partition has been. shown in cross sections and is formed of a like that shown in Fig. 2. This grate is se- 1927. Serial No. 263,927.

pieceof sheet metal having sides 7 and 8 which are connected at their upper ends in such a way as to form a rabbet 9 that ex tends the entire length of the partition. The lower ends of sides 7 and 8 are bent outwardly at right angles in the manner indicated by, numeral 10 and these ends rest on the upper surface of bottom 1. The bottom of the casing has been pressed upwardly so as to form an elongated narrow ridge 11 whose width is equal to the distance between the sides 7 and 8. This ridge projects upwardly into the partition and provides an obstruction which prevents gasoline from flowing from one side of the partition to the other. Tongues 12 are stamped out of the bottom 1 and are bent over the outwardly projecting flanges 10 so as to hold the partition in place. The ends of thepartition members 7 and 8 are also provided with outwardly extending flanges 13 which are engaged by tongues 12 in the manner shown in Fig. 3. The ridge 11 is provided with a plurality of openings 14 and the upper end of the partition is provided with a plurality of openings 15 (Figs. 1 and 2). A grate comprises a plurality of U-shaped members 16 which are spotwelded to parallel bars 17 so as to form an assembly cured to the side 2 by means of hinges 18 and has its opposite side resting in the rabbet 9.

.Fastened to one of the sidemembers of the U-shaped member located at the left (Fig. 2) is a baiiie plate 19. This baiile plate has its center portion cut out so as to form an opening 20 (Fig. The function of this baffle plate will appear as the description proceeds. Secured to the upper surface of the bottom member 1 is a manifold 21 to each end of which is connected a burner 22. The manifold 21 has a mixing chamber 23 that extends upwardly to a point above and adjacent to the left hand burner (Fig. 2). The burner assembly is secured to the bottom member 1 by means of brackets 24.

Between the hollow partition and the side a is a chamber within which is located gasoline tank 25. This tank is held in place by means of a clamp 26, and is provided at one end with a pipe 27. This pipe connects the tank with a valve which has been indi cated as a whole by numeral 28. A generator tube 29 has one end connected with the duplex valve 28 and extends over the adja tion, controls the opening through the gen erator tube29. Valve'handle 31is connected with the valve stem 32 by means of afunie versal joint 33, which permits the handlevtol be swung inwardly into the box or to be moved to'the position shown in Fig. 2. The.

tank25 is providedwith a fill opening" 34 which is controlled by means oi a pl-ug "to-function, it is, of course, necessary that Tank'25 is adapted tocontain gasoline and air under pressure. J \Vhen the valve 30 is open gasolinefwill flow from the tank into and through the generator tube 29.: ""l Vhen the burner is operating the "heat will vaporize the gasoline in the generator tube so, that only'vapor' will enter the mixing chamber 23. Before the stove can be made i the generator tube '29 shall be heated to such a temperature-that the gasolinewithin the same'i'vill be converted into vapor. In order to heat the generator tube, I-have provided the distributor plate'of burner 22 with a priming cup or central depression 36,"which is-adapted to receive-1a quantity of gasoline \vlllCllymity'bfi ignited and wh chserves to heatthergenerator tube 29. V

V Difli'cu'lty has heretofore beenexperieiicd in providing suitable means for conducting gasoline; from the tank" 25 to 'thejpriniing, cup 36, andithas been customary to have the,

tank 25 with its attached generator tube detachable from the casing, sotha-t the endof'the generator tube can be brought into or above the priming cup 36 in orderto dep osit gasoline therein. In m construction, the

' tank 25 is securely fastened to the casing and consequently; the generator tube 29- is also, stationary: For the purpose of transferring gasoline to'thepriining cup, I have provided" a duplex valve structure which'has beerr'indicated asa whole by numeral 28. This duplex valve comprises two valves, one of which 1 has been indicated by numeral 30 andwhlch comprises the-valve stem '32. This controls thefiow of gasoline from the pipe 27"to the generator tube 29, (Fig. 5). Extending from the opening intowhich the pipe'27 is secured tothe valve which controls the flow of 'gasoline to the'priming tube 37 is an opening 38. This opening terminates underneath the valve seat with which the valve stem 39co-;

operates." This valve stemhas a threaded portion l0 *(Figs. 6, 7 and 9) andis provided an openinginto which one end of the prim-- -with a handle 41 by Ineansof whichit can berotated sons to open and close the valve. An opening 42 extends from thevalve chamber in which the valve stem 39 is locatedto ing tube 37 is inserted (Fig. 6). WVhen valve stem 391s rotated so as to open the passageway troin the openmg 38 to the opening 42,

gasolinewill 'fiow from the tank into pipe 37 and into thepriming cup 36. After the pri1ning cup has been filled with gasoline valve 39 is closedand thegasoline in the priming l.

cup ignited. The capacity of the priming cup. is SllCl'lltllELll when the gasoline which it will contain has been consumed, the generator; tube. 2S-will have-been heated suilicientl y to convert the gasoline therein to vapor anditherefore when valve30 is open, gasoline will pass into the generator tube and be comevaporized and flow through the mix- I V and through the manifold 21-andoutthrough the openlngs in the distributor; plate ofthe burner. lhis gaseous ing chamber 23 mixture will' then'ignite' and burn 'with a 7 blue flame which will continue to keep the generatoi tube 29 heated. The .flow of gaso-' line to theburner shownat the right in Fig. 2is controlled by a valve 43.

' In the embodiment shown in Figs; 5'and Gfthepipe 37*l1as been shown as secured to the-duplex valvestruc'ture by means of set screw 44.- This pipe37 is thereforestationary' and-willzreinain in'the position shown in- Fig. 2. Owing to'theffact that pipe 37 is; empty during the burning of the'stove,

it'becomes very highly heatedwith the re sult that after long use ithas to'be replaced by a new one; this can readily be done by and withdrawing loosening the set screw it the old pipe. v

In Figsa8and 91 have shown a slight modification which is so constructed that the priming tub e 37?: which correspond'st-o the prim.-

ing tube 37in the l'otherfigures, has its end 45' bent-atright angles in the manner shown in- Fig. 9. This end projects upwardly through an openingtliat intersects opening 42 at right angles and is held in place by means o'fa screw 46. The priming tube 37? can be rotated -fro1nfull line to dotted line position, (Fig. 8); When-it is in full line position, the hole 4L7 registers withthe; open ing 42 and" when valve 39 is open gasoline will flow through th'is'tube into the priming cup 36. Afterhuflicient gasoline'has been transferred tothe priming cup the tube" is moved into the' dotted line position so {as to be out of the zone of the fire and will therefore be kept from becoming li eatedto suchan-extentthat it will be destroyed.

In FigQtI have indicateda modification burnencompartment to the tank compartment. Ordinarily,therewill be no gasoline In other respects this construc- V in either of these compartments, but some- 1 times it happens that the operator is negli-- gent and permits thefgasolineto" overfiow' when he fills the priming cup. When this happens, some of the gasoline'may flowinto the'chamber' containing the tank and become ignited when they-burneris" ignited. The" burning of gasoline around and about the tank 25 would have a tendency to raise the temperature to such a high point that an explosion might occur. With the construction shown and described, this danger is obviated.

A cover member 18 is hinged to the upper edge of the side 2 and this member has secured to it three other pieces which have been indicated by numerals 19, 50 and 51. The parts designated as as and 50 are secured to the cover by means of hinges 52. l/Vhen the cover is in open position, the end members 19 and 50 are swung outwardly into the position shown in Figs. 1 and :2 and rest on the projeetingfingers 53. The part marked 51 is hinged to the outer edge of the cover and rests upon the upper ends of members 19 and 50 when the parts are in the position shown in Fig. 1. The side 51 is adapted to extend down between the tank and the parts marked 4, 5 and 6, and serves to completely enclose the parts when the cover is moved to closing position. The side 51 is provided with a handle 54: by means of which the stove may be carried. The stove is provided with two legs 55 of a well known construction that serves to support the stove when it is in operative position and which will hold the cover from opening when the parts are folded for transportation.

The parts to which the invention relates in the present application are embodied in the duplex valve construction by means of which the priming cup can be filled with gasoline without moving the tank and in which this valve is also protected from the flame by means of the baflie plate 19. In addition to this the ridge 11 is a feature that is novel in a stove of this type. I also wish to call attention to the assembly comprising the cover member 18 and parts 49, 50 and 51 which form an excellent wind break and in which the part 51 cooperates with the cover so as to entirely enclose the gasoline tank during transportation.

Having described my invention What I claim as new is:

1. A camp stove comprising, in combination, a casing having two ends, two sides and a bottom, the bottom having an upwardly extending ridge extending from one end member to the other, said ridge being parallel to the sides, a hollow partitionextending along the ridge so as to divide the easing into two compartments, a burner assembly in one compartment, a fuel tank in the other compartment and a conduit extending from the fuel tank to the burner assembly.

2. A camp stove of the class described, a casing, a-burner assembly within the casing, means for securing the burner assembly in place, a grate supported by the casing, means for supporting the grate above the burner assembly, a fuel conduit extending over a burner of the burner assembly, a valve in said conduit and a baflie plate secured to the grate, said plate separating the burner from the valve.

3. A' camp stove of the class described, comprising, in combination, a casing having a bottom member, two end membersand two sides, one of said sides being lower than the other, a hollow partition extending lengthwise of the casing between the sides so as to divide the easing into two compartments, 9. fuel rtank in the compartment between the partition and the lower side, a burner assembly in the other compartment, means for conducting fuel from the tank to the burner and a cover hinged to the higher side, said cover having a member hinged to its free edge, said hinged member being adapted to cooperate with the lower side to enclose the tank.

In testimony whereof I aflix my signature.

WILLIAM GOLDBERG.

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