US1855771A - Liquid fuel stove - Google Patents

Description

April 26, 1932.

G. E. PICKUP LIQUID FUEL STOVE 2 She-ets-Sheet Filed Jan.' 20, 1930 f Il. llldlllllrul III Il| Il l 11n/1 Il Il lll @Kaye @Mmmm G. E. PICKUP 1,855,771

LIQUID FUEL STOVE April 26, 1932.

2 Sheets-Sheet 2 Filed Jan. 2O 1930 /17 MMM i Vif) Lil' rf: e.

Patented Apr. 26, 1932 UNITED STATES Parar Friet:

GEORGE E. PICKUZP, OF NEWARK, OHIO, ASSIGNOR TO THE 'WEER-LE COMPANY, OF

NEWARK, OHIO, A CORPORATION OF OHIO LIQUID FUEL STOVE Application led January 20, 1930. Serial No. 421,930.

The invention relates generally to liquid fuel stoves and has for its primary object the provision of a new, improved and thoroughly practical stove construction wherein the fuel tank is concealed within the stove body so as not to detract from the appearance of the stove and mounted in such a. manner as to be readily accessible or removable forpurposes of inspection or repair.

Another object is to provide 'such a liquid fuel stove in which all of the various operating and control elements are grouped upon the front of the stove as to facilitate the operation of the stove.

Other objects are to provide a fuel tank Vfor such a stove wherein ay filling conduit projects from one end wall of the tank through a wall of the stove; to provide such a stove in which the conduit is mounted on the tank in a novel manner whereby to insure maximum rigidity in the conduit; and to provide a pressure feed liquid fuel stove wherein the major portion of the air pump is effectively concealed within the stove body upon a simple mounting and in such position that it may be readily operated and easily inspected and repaired. Y

Other objects and advantages will become apparent from the following description taken in connection with th-e accompanying drawings, in which Figure 1 is a front elevational view of a liquid fuel stove embodying the invention in its preferred form. 4

Fig. 2 is a fragmentary end elevational view of the stove shown in Fig. 1 viewed from the left end thereof.

Fig. 3 is a fragmentary front elevational view of the stove with the front wall removed i5 to show the fuel tank and the pipes connected if front panel taken along the line 5 5 of Fig.

Fig. 6 is an elevational View of the removable front panel.

While the invention is susceptible of various modifications and alternative constructions, I have shown in the drawings and will herein describe in detail the preferred ern- Vbodiment, but it is to be understood that I do not thereby intend to limit the invention to the specific form disclosed, but intend t0 cover all modifications and alternative constructions falling within the spirit and scope of the invention as expressed in the appended claims.

As herein illustrated the invention is embodied in a cooking stove having a body 10 supported upon legs 11 with oven and broiler compartments 12 and 13 on one end of the stove and a cooking top 14 on the other end spaced upwardly from the bottom of the stove body. Beneath the cooking top 14 a plurality of cooking burners 15 are supported only one herein shown) so that the operation thereof may be controlled by valve handles 16 disposed in front of a front wall 17 which extends downwardly from the cooking top 14 to the bottom of the stove body. The burner 15 herein shown is formed in two transversely spaced sections l5a (Fig. 3) be'- tween which a generator 'tube 18 extends perpendicular to the front wall 17 of the stove. The fuel gas formed in the generator 18 is discharged through an air mixer of a well known character (not shown) into a manifold 19 (Fig. 3) under the control of a needle valve actuated by a handle 20 (Fig. 1) on the front of the stove adjacent to the handles 16.

From the manifold l19, the gaseous fuel mixture passes to the various cooking burners 15 under the control of their respective valves and also passes to a generator burner 21 disposed beneath the generator 18 and in constant communication with the manifold.

In accordance with the present invention the fuel for operating the above described generating and fuel burning system is obtained from a cylindrical fuel tank 22. For the purpose of improving the appearance of the stove and yet permitting easy accessibility and convenience in operation, a special tank compartment is provided in a substantially rectangular housing formed beneath the cooking top. The upper portion of this housing provides the burner boX, and the tank compartment is formed beneath the burner box at the end opposite the oven compartment, so that access may be had to the tank and its supporting means and so that the tank may be located remote from .the oven section and consequently from the heat radiatingl therefrom.

In the present embodiment, the inner end wall of the rectangular housing is formed by the depending portion of the oven section of the stove. At the opposite end the front wall 17 and the rear wall 23 of the stove bodv are connected at their lower corners (beneath the cooking top) by an angle bar 24 (Fi 2) se as to provide open end for the stove body, which end is normally closed by a detachable end wall or panel 25 constituting the outer end wall of the housing. The panel 25 is h eld in position by engagement of its upper edge with a. groove 25n in the depending` edge of the cooking top 14 and by screws 24a extending upwardly through the inwardly fiana'ed lower edge of the panel 25 and engaging the bar 24. Thus access may be had to the fuel tank through the end of the stove. and in order to render the front of the tank 22 accessible. an opening 26 (Fig. 4) is provided in the lower corner of the front wall 17 adjacent to the end of the stove. A removable panel 27 may be employed to close the opening 26 andas shown in 5. the panel 27 is detachably mounted on the front wall 17 bv means of spring clips or latches 28 secured on the panel and arranged yieldingly to engage the sides of the opening 26.

In order to protect the fuel tank 22 from the heat of the burners 15 and 21 and provide convenient and economical supporting means for the tank` a wall 29 (Fig. 3) is mounted: in horizontal position above the tank and is connected to a vertical wall 30 joined to the wall 29. The vertical wall 30 extends downwardly to the bottom of the stove body adjacent to the tank and on the side opposite from the'end wall 25. An apertured end wall 31 is also provided inthe present case, connected to the other edge of the horizontal Wall 29 and extending upwardly along the cooking` top along the end of the stove so as to lend rigidity to the wall 29 and to the stove body as a. whole and facilitate the mounting of other parts of the stove.

The tank 22 is removably supported from the horizontal wall 29 by a pair of iiexible straps 32, one of which extends around the tank adjacent each end thereof. As shown in 3 each strap 32 is fastened to the wall 29 bv bolts 33 at spaced points lying substantially above the opposite sides of the tank and between the bolts 33 a lui-shaped portion 34 of the strap extends downwardlyV to engage the top of the tank and maintain it in a npredetermined spaced relation to the wall 29. The two ends of each strap 32 extend downwardly along opposite sides of the tank and the end which is secured adjacent the vertical wall 30 extends beneath the tank, the two ends being of such a length that they may be adj ustably and detachably connected together at the side of the tank adjacent to the open end of the stove.

Such a connection is afforded in the present case by apertured ears 35 (Fig. 3) at the ends of the straps through which bolts 36 extend to be engaged by wing nuts 36a. Since the bottom ofthe stove is left open between the walls 25 and 30, the fuel tank may be readily removed from the stove by removing the bolts 35, and bending the fiexible straps 32 so as to release the tank.

In the stove illustrated the usual valve controlled fuel supply connections from the tank 22 to the fuel generating and burning means are, of course, provided as well as a depth gauge, a pressure gauge, a iller opening in the tank and a pump for providing air pressure in the tank, and in order to simplify and facilitate the operation of the stove, the handles of the valves and the pump, the dials of the gauges, and the cap of the filler opening are grouped at the front of the stove adjacent to the valve handles 16 and 20.

The liquid fuel is conducted from the tank 22 through a pipe 37 connected at one end to the generator 18 in a well known manner and connected at its other end to avalve fitting 38 by a coupling 38a. The fitting 38, which communicates with the inside of the tank, is secured in the front end wall 39 thereof and extends forwardly through the opening 26 in the front wall 17 adjacent the lower edge thereof so as to support its operating handle 39'd at the front of the stove.

The stove herein shown in one in which the fuel vapor from the top of the tank is utilized for pregenerating purposes and a pipe 40 arranged to discharge vapor into the manifold 19 is connected by a coupling 41a to a itting 41 mounted in the top of the tank and providing for communication with the air space therein. The fitting 41 has a valve stem 42 extending forwardly through the opening 26 in the wall 17 so as to support an operating handle 43 in front of the stove.

A second valve fitting, designated as 44 in Fig. 3, is also mounted in the top of the tank and has a valve stem 45 projecting through the opening 26 and carrying a control handle 46 in front of the wall 17 of the stove. Connected to the valve fitting 44 by a coupling 44a is a pipe 47 extending from a piston type pump 48 so that the desired air'pressure may be supplied to the tank. It will be noted that all of the pipes connected with the fuel tank 22 are edectively concealed within the stove body.

The mounting of the pump 48 is preferably of such a character that the major portion of the pump is concealed within the stove body, and to accomplish this end and still provide for convenient operation and accessibility of the pump, it is mounted in an angular position adjacent to the removable end wall 25 (Figs. 1 and 2) with the operating end of the pump extending through the front wall 17 of the stove. The outer end of the pump carries an opera-ting handle 49, which, it will be noted, is located adjacent to the valve handles heretofore described, and the inner or lower end of the pump is secured to the cross bar 24 by a bracket 50.

The forward end wall 39 of the fuel tank 22 also carries a combined pressure and depth gauge 51 near its upper edge and the body of the gauge is arranged to project through the opening 26 so as to support the dials of the gauge in front of the wall 17. Below the gauge 51, a filling conduit 52 is connected to the forward wall 39 of the tank so as to project forwardly therefrom and upon the upturned outer end of the conduit a cap 53 is threaded for rendering the tank air tight.

In order that the opening 26 may be closed about the various parts which project therethrough, the panel 27 (Fig. 6) has a plurality of apertures 54 and 54EL therein for the conduit 52, the gauge 51 and the valve fittings 41 and 44 while a notch 55 at its lower edge lits over the valve fitting 38. The apertures 54a through which the fittings 41 and 44 project, are in the present instance quite small so that the handles 43 and 46 must be removed before the panel 27 may be detached.

After the panel 27 has been removed, the fuel and air pipes may be detached from the tank 22 by unscrewing the couplings 38a, 41a and 44a. The tank 22 may then be removed from the stove by disconnecting the ends of the straps 32 and lowering the tank through the open bottom of the stove. As herein shown the rear end of the tank 22 is spaced from the rear wall of the stove (Fig. 2) so that the tank may be moved rearwardly to move the projecting members inwardly through the opening 26.

It will be noted that the filling conduit 52 projects a considerable distance forwardly from the tank 22, and in order to lend rigidity to the conduit, the forward wall 39 of the tank is cupped outwardly'as shown at 56 in Fig. 4 and the conduit is connected thereto at the forward extremity of the cupped portion of the wall 39.

In order that usual removable drip pan 57 may be provided beneath the burners, the pipes 37 and 40 extend through the horizontal wall 29 adj acent'the end wall 25 as shown in Fig. 3.

From the foregoing it will be apparent that the invention provides a thoroughly practical liquid fuel stove in which the fuel tank is effectively concealed within the stove body so that the stove is rendered more attractive than prior stoves of this character. It will also be seen that the operation of the stove will be facilitated through the grouping of the various gauges, and control members on the forward wall of the stove.

In addition it will be noted that the rigid construction of the fuel tank and the advantageous mounting provided therefor make it possible to extend the filling conduit sufficiently beyond the forward wall to render the tank-filling operation quite simple.

The mounting of the fuel tank in the stove i 1. A liquid fuel cook stove having a cook? ing top, an oven section extending above and below said top at one end thereof` a rectangular housing beneath the cooking top having aninner end wall formed by the oven section and an outer end wall depending from the top at the end opposite the oven section, said housing having a horizontal partition spaced downwardly from the cooking top to forma burner box, and a vertical partition extending downwardly from said horizontal partition and spaced inwardly from said outer end wall of the housing so as to form an elongated compartment extending in a front to rea-r direction at the end of the housing opposite the oven section, and a liquid fuel tank mounted in said elongated compartment and having fuel conducting connections extending upwardly through said horizontal partition into the burner box.

2. A liquid fuel cook stove having a cooking top, an oven section extending above and below said top at one end thereof, a rectangular housing beneath the cooking top having an inner end wall formed by the oven section and an outer end wall depending from the top at the end opposite the oven section, said housing having a. horizontal partition spaced downwardly from the cooking top to forma burner box, and a vertical partition extending downwardly from said Y horizontal partition and spaced inwardly from said outer end wall of the housing so as to form an elongated compartment extending in afront to rear direction at the end of the housing opposite the oven section, and a liquid fuel tank mounted in said elongated compartment and having fuel conducting connections detachably connected to the tank and extending upwardly into the burner box, said outer end wall of the housing being removable as a unit to permit of access to said tank compartment.

3. A liquid fuel cook stove having a cooking top, an oven section extending above and below said top at one end thereof, a rectangular housing beneath the cooking top having an inner end wall formed by the oven section and an outer end wall depending from the top at the end opposite the oven section, said housing having a horizontal partition spaced downwardly from the cooking top to form a burner box, and a vertical partition extending downwardly from said horizontal partition and spaced inwardly from said outer end wall of the housing so as' to form an elongated compartment extending in a front to rear direction at the end of the housing opposite the oven section, a liquid :fuel tank mounted in said elongated compartment and having fuel conducting connections extending upwardly into the burner boX, valve means for controlling said connections carried by the tank and projecting 'forwardly therefrom, said tank compartment having an apertured front wall through which Said valve means project, and said tank being of a length less than the length of the tank compartment so as to permit the tank to be moved rearwardly in the compartment to withdraw said valve means into the compartment when removing the tank.

In testimony whereof I have hereunto at fixed my signature.

GEORGE E. PICKUP.

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