US2065719A - Burner and manifold assembly - Google Patents

Description

Dec. 29, 1936. s. MORGAN 2,065.719

. BURNER AND MANIFOLD ASSEMBLY Filed May 29, 1934 ,4 meets-Sheet 1 gwuc/wto n iw pmfl WW 5 lAiA LLA MAMA fl/ W BURNER AND MANIFOLD ASSEMBLY Filed May 29, 1954 4 Sheets-Sheet 2 gin Um 1% WWW Dec. 29, 1936. s. MORGAN BURNER AND MANIFOLD ASSEMBLY Filed May 29, 1954 4 Sheets-Sheet 3 v s. MORGAN 2,065,719

BURNER AND MANIFOLD ASSEMBLY Dec. 29, 1936.

Filed May 29, 1934 4 Sheets-Sheet 4 Patented Dec. 29, 1936 UNITED STATES PATENT OFFICE 10 Claims.

This invention relates to gas stoves or ranges and more particularly to the gas burner and manifold assembly therefor.

It has been the general practice heretofore for stove manufacturers to mount the burners, gas cocks, manifold and other accessories within the burner box after the stove had been completed, because the assembly of such parts has been such as to preclude their being installed as a unit.

The general object of the invention is to provide such an assembly "of the various parts housed within the burner box, that they can be completely assembled and the whole slipped as a unit into the burner box as the range is nearing completion on the mounting floor.

Another object of the invention is to provide a manifold and burner and manifold andgas cock unit capable of being readily adapted for use with any of the gases being used commercially for gas ranges.

burner assembly that can be used with either right or left hand anges .without modification, that is, ranges in which the burner box may be either on the left side or the right side of the range.

Another object is to provide a manifold burner assembly wherein the gas cock for the oven as well as the ovenheat control will always be centrally located with respect to the manifold and burners when used for either right or left hand ranges or for gas cookers or table top ranges.

A still further object of the invention is to provide a manifold and burner assembly that will be neatin appearance, easily inserted within and removed from the burner box, and one in which all parts are readily accessible for cleaning.

Other objects and advantages of the invention will be apparent when the following specification is considered in connection with the accompanying drawings, in which:

' Figure 1 is a, perspective view of a conventional gas range embodying the burner and manifold assembly according to my invention;

. Figure 2 is a horizontal section through the burner box of a gas range showing the burner and manifold assembly attached to the burner box in proper working position;

Figure 3 is a cross section on the line 3-3 of Figure 2;

Figure 4 is a front elevation of the assembly ready to be inserted into the burner box of a gas range;

Figure 5 is a cross section on line 5-5 of Fig- A further object is to provide a manifold and ure 2, showing the mounting of the burners upon the supporting arms of the manifold;

Figure 6 is a fragmentary view of one end of the manifold showing its connection to the front frame of the burner box; and

Figure '7 is a section taken on the line 'I| of Figure 3, showing the rear mounting of the manifold.

Referring more particularly to the drawings i denotes the oven side of what is generally termed a left hand gas range to the right side of the oven of which is positioned the burner box 2, the latter being concealed by means of a so called manifold cover or front plate 3. This plate is provided with ventilation openings 4, in addition to a plurality of elongated vertical slots for the reception of the oven and burner controls hereinafter referred to.

In the present embodiment of the invention a preferablycast centrally disposed T-shaped manifold M, is employed, to which gas is supplied by means of a standard pipe 6. The pipe 6, at its forward end screws into the rear end of the manifold and at its other end extends through the rear wall I of the burner box where it connects with a gas supply pipe 8. The head 9 of the manifold extends at right angles to the body In thereof and is formed with apertured ears or extensions II, by means of which the manifold is secured to and supported at its front end by the front frame 12 of, the burner box, bolts l3 being employed for this purpose. oppositely disposed lateral arms l4, extending upwardly and outwardly from the sides of the centrally disposed manifold body i0 terminate at their ends in enlarged fiat-faced burner supports or rests IS. The flat face of each member 15 is provided with a deep open-ended slot l6 extending parallel with the manifold body H). A pair of upstanding centrally disposed projections H- H, are also formed on the face of each member l5, and at opposite sides of the slot l6, additional upstanding projections l8-l8, are also provided, opposite to and spaced from the projections l'I- -I'l respectively. The manifold head 9 is formed with bosses i9, four in number, suitably drilled and tapped for the reception of conventional gas cocks 20, one for each of the four burners B.

Each of the four burners B includes the usual mixing tube 2!, having an air shutter 22 at one end and a burner bowl 23 at the other end, and the gas cocks 20, communicate with the mixing tubes 2| through .the'shutters 22, as customary. The two front burners 24, and the two rear burnera 25, are formed withdepending vertically disposed projections 26 and 21 which respectively seat within the front and rear ends of the slots l6, thus securely anchoring the burners in place against rocking movement. Flat lugs 28, extending laterally from the vertical projections 26 of the two front burners seat between the projections 8, while similar flat lugs 28' extending laterally from the vertical projections 21 on the two rear burners, seat between the projections |'||8 and hold the respective burners against endwise movement.

The assembly also includes an oven thermostat 29, mounted upon a saddle 30, in turn secured to apertured ears 3| on manifold head 9, by means of bolts 32. As the thermostat 29 is of the well known Wilcolator or similar bulb type, a detaileddescription is deemed unnecessary. Gas is fed to the oven burner, not shown, from the manifold through the oven burner gas cook 33, which is connected to the manifold head by means of a threaded nipple 34. From the cock 33, the gas passes to and through a copper tubing 35, to the thermostat and thence through a copper tubing 35, to the oven burner. Tube 36 is connected at one end to the outlet end of the thermostat and at its other end to the gas inlet of the oven burner. Oven burner cook 33 and the knob 38 and dial 39 of thermostat-29 are axially aligned with manifold body 9, and the latter, as previously stated, is centrally disposed within the burner box. An angle valve 40, for conducting gas from the gas cook 33 to an oven pilot, not shown, through tubing 4|, is supported by and communicates with the cook 33. The oven thermostat can be .set to permit of the desired flow of gas to the oven burner by meansof knob 38 and dial 39, mounted on the valve stem 42 of the thermostat.

An automatic top burner lighter 43, symmetrically positioned with respect' to the burners B, is

mounted upon a valved tubular support 44, which screws into and communicates with the manifold and serves as a conduit for supplying gas to the lighter. Lighter tubes 45, of usual construction convey gas from the. burners B to the lighter where it is ignited and then convey the flame back to the burners.

While it is thought that the method of assembly will now be clear, the following brief description is given: After the manifold has been bored and tapped, the gas cocks screwed home and the gas feed pipe 6 applied, the oven thermostat 29 is secured in place, and the angle valve 40 is next screwed to the oven burner gas cock 33. The tubing 4| is then secured to the valve 40, and the tubular support 44 for the automatic top burner lighter 43 is screwed intothe manifold. The assembly is now ready to receive the two long rear burners 25 and the two somewhat shorter front burners 24, in'the order named, the air mixer ends of the burners being first slipped onto the gas cocks 20, and the anchoring projections on the burners then seated on their respective burner supports 5. The lighter tubes 45 are next placed in the ports of the lighter 43, thus completing the assembly, which is then ready to be inserted through the open front end of the burner box. During this operation the gas feed pipe 6 on the end of the manifold will be passed through a collar 46,- spanning an 'elongated centrally disposed opening 41 in the rear wall of the burner box. This collar is formed with apertured cars 43 for the reception of bolts 49, which pass through the apertures 50 and thence through spaced rows of holes formed in the wall 7 on each side of pipe opening 41, thus providing for vertical ad- J'ustment of the assembly at the rear end thereof, so that the range can be used for propane, butaneair, natural or artificial gas, or the burners can be dropped down sufliciently to permit of the range being operated with a closed or solid top.

Up and down adjustment of the burner at the front of the range is provided for in much the same manner as that just described. Thus the vertical side flanges 52 of the front frame ,|2, of the burner box side of the range, are each formed with a plurality of aligned holes 53 near the top of the frame for the reception of the bolts l3, which secure the head of the manifold to the frame. The spacing of the holes 5| corresponds to the spacing of the holes 53 for-an obvious purpose.

After the manifold assembly has been secured in the desired adjusted position, the tubing 36 from the thermostat 29 is led and secured to the oven burner, not shown, and a small tube 54 leading from the thermostat is led into the oven and connected with the heat responsive part or tube of the thermostat, not shown, which is led into and positioned within the oven. It will of course be understood that in lieu of the bulb or tube type of thermostat, the manifold is equally adapted to carry a thermostat of the rod and tube type as they too, are so constructed that the dial and knob can be in the center of the manifold cover. The manifold plate or cover 3 is now put in place over the stems of the various controls, which extend through the elongated slots formed in the plate for this purpose. Thus the plate 3 is provided adjacent its upper edge with a plurality of elongated slots 55, previously referred to, for the stems of the top burner gas cocks 20, the stem of the thermostat control, and for the reception of the stem of oven burner gas cook 33, the slot for the thermostat control not being shown.

From the foregoing it will be seen that I have designed a gas burner manifold assembly which can be conveniently installed as a unit and which can be readily adjusted for use with various kinds of gas.

Having thus described my invention, what I claim is:

1. A gas burner and manifold assembly comprising a substantially T-shaped manifold, burner supporting means extending from opposite sides of the main body of said manifold, raised means on the cross head of said manifold, valve means connected to said raised means, a plurality of burners supported by said supporting means and said valve means, and means at the opposite ends of said crosshead for'connecting the cross head of said manifold to the burner box of a gas stove.

2. A gas burner and manifold assembly comprising a substantially T-shaped manifold, burner supporting means laterally extended from opposite sides of the main body of said manifold,

a plurality of hollow raised portions on the cross head of said manifold, a plurality of valve means supported by the raised portions of said cross head and in communication with the hollow interior thereof for feeding gas to said valve means from said manifold, a plurality of burners supported by said burner supporting means and said valve means, and means to removably connect said manifold to the burner box of a gas stove.

3. A gas burner and manifold assembly comprising a substantially T-shaped manifold, integral burner supporting means extending from therewith for support upon and in communication with said manifold, a plurality of burners supported upon said burner supporting means and said valve means, and integral means extended from the ends of said cross head adapted,

to removably connect said cross piece to the burner box of a gas stove.

4. A gas burnerand manifold assembly as described in claim 3, wherein said burner supporting means and burners include vertical and horizontal means for preventing forward, backward and lateral movements of the burners with respect to said supports.

5. A gas burner and manifold assembly comprising a substantially T-shaped manifold, integral burner supporting means extending from opposite sides of the main body of said manifold and arranged in elevated position with respect thereto, a plurality of symmetrically arranged raised bosses on the cross head of said manifold, a valve means for each of said bosses threadedly connected therewith for communication with said manifold, a plurality of burners supported by said burner supporting means and said valve means, means on said cross head for supporting a thermostat centrally thereon, a boss centrally arranged on the bottom surface of said cross head and valve means connected with said latter boss and communicating with said manifold, said latter valve means cooperating with said thermostat for automatically regulating the flow of gas through said valve means.

6. A manifold for agas burner and manifold assembly comprising a substantially T-shaped manifold, integral burner supporting means connected by arms to the main body of said manifold, a plurality of upwardly extending bosses on 7. A manifold for a gas burner and manifold assembly comprising a substantially T-shaped manifold, integral burner supporting means extended at opposite sides from the main body of said manifold, a plurality of valve supporting bosses on the cross head of said manifold and means on said cross head for connecting the cross head of said manifold to the frame of a gas stove.

8. The combination of a substantially T- shaped manifold having burner supporting means laterally extending from the main body thereof, and valve supporting means on the cross head of the manifold, with a plurality of valves threadedly connected with the valve supporting means of said cross head, and a plurality of burners supported at their inlets by said valves and resting on the burner supporting means of the main body of the manifold, said burner supporting means and said burners including interlocking means for preventing forward, rearward and lateral movement of the burners with respect to said manifold. v

9. The combination describe in claim 8, wherein the burner supporting means include flanged seating surfaces cooperating with lateral extensions on said burners for preventing forward and backward movement of said burners, and wherein said supporting means are provided with recesses rectangularly related to the main axis of said seating surfaces, and wherein said burners include extensions fitting said recesses for preventing lateral and tilting movements of said burners.

10. A burner and manifold assembly comprising a substantially T-shaped manifold, integral burner supporting arms carried by the main body of said manifold, valve supporting bosses integrally formed on the cross head of said manifold in symmetrical arrangement with respect to the main body thereof, valve means supported by said bosses and in communication with the interior of said cross head, a downwardly extending boss centrallyon said cross head, valve means connected to said latter boss, a thermostatic means for automatically controlling the flow of gas through said last valve means, and supporting means for said thermostat connected to said cross head and supporting said thermostat above said cross piece in alinement with said valves.

SWINEY MORGAN.

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