US2088505A

US2088505A - Gas stove

Info

Publication number: US2088505A
Application number: US718831A
Authority: US
Inventors: Brumbaugh Isaac Vernon
Original assignee: American Stove Co
Current assignee: American Stove Co
Priority date: 1934-04-03
Filing date: 1934-04-03
Publication date: 1937-07-27
Anticipated expiration: 1954-07-27

Description

July 27, 1937. I. v. BRUMBAUGH GAS STOVE Filed April 3, 1934 s sheets-sheet 1 July 27, 1937.

'1. v. BRUMBAUGH :GAS STOVE Filed April 3, 19-34 '3 Sheets-Sheet 2 July 27, 1937. VQ RUMBAUGH I GAS STOVE Filed April 3,. 1954 I s Sheets-Sheet 3 Patented July 27, 1937 UNITED STATES.

PATENT "OFFICE I 2,088,505 GAS s'rovn Isaac Vernon Brumbaugh, St. Louis, Mo., assignor to American Stove Company, t. Louis, Mo.,

a corporation of New Jersey Application April 3, 1934, Serial No. 718,831

12 Claims. (Cl. 158-115) This invention relates to improvements in gas stoves and is directed more particularly to that improvement comprising a flashlighter construction for use with the cooking top burners of the stove or range and the particular manner of concealing not only the flashlighter arrangement, but also the gas manifold, the pilot light, and the major portions of the cooking top burners themselves beneath a burner tray which also serves as a medium for catching and retaining food, boil-overs, or other foreign substances which may fall downwardly through the cooking grate.

One of the objects of the invention is, therefore, the provision of an improved flashlighter construction for the cooking top burners of a gas stove or range.

Another object of the invention is the provision of novel means for supporting the flash tubes of an automatic lighter.

A further object of the invention is the provision of a flashlighter construction for the cooking top burners of a gas stove or range wherein means are provided for assuring proper positioning of the flash tubes in respect to the main burn ers and the pilot light burner of the range.

A still further object is the provision of means for concealing the flashlighter construction and other stove parts within the cooking top burner chamber and to make said concealing means-in the form of a burner tray which will catch and retain dirt, food, boilovers or other. foreign substances which may fall downwardly through the cooking top grate of the stove.

Other specific objects and novel features of construction utilized in carrying out the present iiivention will appear more in detail from the following description when read in the light of the accompanying drawings.

In the drawings:

Figure l is a top plan view of the cooking top portion of a gas range having applied thereto the present improved invention.

Fig. 2 is a vertical sectional view through the cooking top portion of the range and the flashlighter equipment, the sections being. taken on the line 2-2 of Figure l.

Fig. 3 is a vertical sectional View taken on the line 3-3 of Fig. 2, looking in the direction indicated by arrow.

Fig. 4 is a top plan view of the cooking top po tion of a gas range having applied thereto a modified form of the invention.

Fig. 5 is a vertical sectional view of the cooking top appearing in Fig. 4 of the drawings, the view being taken on the line 55 of Figure 4.

Fig.6 is a top plan view of the cooking top having applied thereto a still further modification of the present invention.

Fig. '7 is a vertical sectional view of the construction appearing in Fig. 6 of the drawings, the view being taken on the line l-'l of Figure 6.

Referring now to the drawings and particularly to Figs. 1 and 3 thereof A designates the burner chamber of the cooking top portion of a gasrange and as is usual, the chamber has an open upper end provided with rectangular shaped top frame B. A plurality of burners C are provided within the chamber and as is customary they are positioned within the burner chamber behind the front wall 2 thereof and beneath the top. frame B. A series of valve handles 3, exteriorly positioned at the front of the range control a series of valves 4, which in turn control the admission of gas into the mixing tubes 5 of the front burners and 6 of the rear burners.

The burners are illustrated in the drawings as being circular in form, but the shape of the burners can be varied and could be, if desired, of the prong or star type or of any other shape that may be desired. The intake manifolds 6 of the rear burners have attachment at I with brackets 8 carried by'the bowls 9 of the front burners. ers are supported on the jets ll] of the gas valves and the front ends of the mixing tubes of the rear burners are likewise supported on the jets Ill. The rear burners are additionally supported by attachment as at II with brackets I! which extend from the rear wall l3 of the burner chamber.

At a series of pointsithroughout their circumference the bowls of the burners C are provided with outwardly extending spacers having at their lower ends shoulders Hi. The purpose of ing light D and to this end there is provided for. use in connection with each main burner a flash tube E. By reference to Fig. 3 it will be seen that thesetubes are of a U-shape in cross-section and by reference to Figs. 1 and 2 of the drawings that the inner ends |9of the tubes are notched as at The mixing tubes 5 of the front burnfor supporting connection with the cupshaped housing |8 surrounding the pilot light burner tip l6. As clearlyappears in Fig. 3 of the drawings, this housing I8 is provided with notches 20 in its upper end for the reception of the notched inner ends of the flash tubes. This construction prevents longitudinal movement of the flash tubes but still permits the easy and quick detachment of the tubes from the pilot light hous- The outer ends of the tubes are formed into a ring 2| having a diameter slightly greater than the diameter 01' the burners C, so that these rings can be moved downwardly over the burners and the burner spacers M for support upon the spacer shoulders l5. At the point wherev the tubes E merge into the rings 2 I the tubes have their open outer ends flared as at 22 to receive gas from the lighter ports 23 of the burners so that the gas from the lighter port will enter the tubes and travel towards the pilot flame for ignition. As is well understood a flash or flareback occurs within the lighter tubes E when the gas within them is lighted by the pilot light. This flareback causes the ignition of the gas issuing from the main burner ports 24.

The burner spacers l4 and their shoulders I5 through engagement with the rings. 2| of the flash tubes assure proper alignment of the outer flared ends 22 of the tubes with the burners and the interlocking engagement of the inner ends of the tubes with the pilot light housing I8 assures proper positioning and alignment of the inner ends of the tubes with the pilot light flame. Thus the construction is such as to positively insure proper operation of the flash lighter equipment.

The burner tray is indicated at F and is in the form of a rectangular depressed pan having an outwardly extending horizontally disposed upper edge 25 which is supported on the lugs or shoulders 26 carried by the inner edge of the cooking top frame B. This pan is provided in its four corners with openings which are defined by an upwardly extending bead or peripheral edge 21 -A flanged opening 29 is provided centrally of the pan and is positioned above the constant burning pilot light. This flanged opening properly positions a pilot light burner cap 30. i

A cooking grate or grid is indicated at 3| and it is supported upon the cooking top frame above the burner tray edge 25.

Modifications of Figures 4 and 5 The modification of the invention as illustrated in Figures 4 and 5 resides entirely in the flash lighter tube construction.

In these figures of the drawings the burner chamber contains the same arrangement of burners and the same arrangement of pilot light as is illustrated and described in respect to the preferred form of the invention and likewise the burner tray or burner pan F is constructed just as it is in the preferred form of the invention. As a consequence, with the exception of the flash lighter tube construction, all the parts in Figures 4 and 5 carry the same numerals and letter designations that they do in Figures 1 and 3 of the drawings.

In the preferred construction there were pro vided individual flash tubes for each burner and each flash tube was supported independent of the other flash tubes and had no connection with them, whereas in the present modification the flash tubes which are designated as H are all made or formed in one piece with the result that their inner ends 40 merge into one another and are'thus interconnected so that the four tubes, in plan view, are in the shape of a cross. Just as in connection with the preferred form of the invention, these tubes at their ends are formed into rings 4| which surround the burners and are supported upon the burner spacer shoulder I5 and held in proper spaced relation in respect to the burners by the burner spacers M. The flash tubes at their outer ends are flared as at 43, as in the preferred form of the invention, but the inner ends of the tubes rather than having slotted connection with the pilot light housing cup |8 have attached to them anopen ended collar or tube 44 which telescopes the pilot light burner housing. This telescoping relation assures perfeet and proper operative positioning of the inner ends of thetubes in respect to the pilot light burner tip.

In the construction illustrated in this modification all the flash tubes can be quickly and easily removed and replaced as a unit. The

structure however is such that the proper positioning of the flash light tubes for proper operation is alwaysassured.

vided with the central flanged opening 29 above the pilot light and carrying the pilot light cap 30.

Modifications of Figures 6 and 7 In connection with the further modified form of the invention illustrated in Figures 6 and 7 l of the drawings, here the same numerals for designating like parts are utilized inasmuch as the burner chamber, pilot light, main burner and burner tray construction is identical with that illustrated and described as the preferred form of the invention.

The modification resides entirely in the construction of the flash tube portion of the automatic burner lighter equipment. In this particular .form a center plate K is utilized and has formed in its four corners openings 50 for the reception of the burners C. On its underside the plate carries the flash tubes Mwhich are of a U-shape and have their upper edges 5| welded or otherwise suitably connected to the plate so as to form, in conjunction with the plate, elongated flash tubes. preferred form of the inventionthe outer ends of the tubes are flared as at 52 and theplate is bulged as at 53 to form the enlarged outer tube ends. As is true of the preferred form of the invention, the flash lighter constructionis concealed entirely beneath the burner tray and therefore the tray is formed with the bulged portions 28 to accommodate the bulged portions 53 of the plate. As is true in respect to the modification appearing in Figures 4 and 5 of the drawings the inner ends of the flash tubes carry.

a tubular sleeve 54 which telescopes the pilot light cup housing I8 so as to properly position As is true of the the inner ends of the tubes in operative relation to thepilot light burner tip Hi.

The outer ends of the tubes are assured proper operative positioning in respect to the burner pilot light orifices 23 by reason of the burner spacers l4 and the peripheral flanged edge 50' of the openings 50 of the plate are supported upon the burner spacer shoulders l and beneath the burner tray just as is true in connection with the other forms of the invention.

The burner tray is provided with the central shouldered opening 29 above the pilot light and carrying the pilot light cap 30.- It is readily apparent that the burner tray and the utensil grid are'supported just as they are in respect to the other forms of the invention. In respect to this particular modification the central plate K can be quickly removed and replaced withthe assurance that the lighterequipment will always be properly operatively positioned in respect to the burners and pilot light.

In connection with this particular form of the invention, just as is true in respect to the other forms, the flash lighter equipment and all of the stove parts within the burner chamber are concealed from view beneath the .burner tray and the burner chamber and the stove parts therein are protected by the burner tray, from dirt, food, etc., which may fall downwardly through the cooking or utensil grid 3|.

From the foregoing description given in respeot to all the .forms of the invention, it will be readily apparent that an improved gas range is provided in that the appearance of the range is materially bette'red as the burner tray conceals all unsightly parts of the heating and automatic lighting equipment. The structure is such that the tray can be quickly removed for cleaning and the structure is such that the flash tubes of the lighter equipment can be easily and quickly removed to permit access to the burners, the burner valves, the pilot light or the burner chamher in general. The construction is fool proof in that the operator of the stove can remove these parts and be assured that upon replacement of them they will be in proper operative relationship to assure proper operation of the automatic lighter equipment and to permit the proper and unobstructed operation of the main burners. In connection with all forms of the invention the burners themselves extend upwardly through the openings of the burner tray and have their burner orifices 24 positioned above the tray so that the flame and heat from the burners is directed not only against the under side of the utensils upon the cooking grid but with the further advantage that the burner tray serves as a reflecting means for directing the heat from the burners upwardly through the utensil grid and against the under sides of utensils' supported thereupon.

It should be apparent that the structure is comparatively cheap and simple of manufacture yet highly desirable by reason of its advantages and that its very simplicity renders itimprobable of giving trouble from a maintenance standpoint.

Having thus described my invention what I claim and desire to secure by Letters Patent is:

1. In a gas stove or the like, a cooking top having a burner chamber therebeneath, a main burner and a pilot light burner in said chamber, the main burner provided with a support positioned at a point below the burner orifices, a flash light tube, one end of said tube being positioned adjacent the pilot light, the other end of the tube terminating adjacent the main burner and being provided with an opening the frame of which encircles said burner and is supported upon the burner support.

2 In a gas stove or the like, a cooking top having a burner chamber therebeneath, a plurality of main burners and a pilot light burner in said chamber and arranged in separated relationship, flash light tubes for igniting said main burners from the pilot light burner, means engaging and supporting one end of said tubes to position the same adjacent the flame of the pilot light, the other ends of said tubes being provided with extensions encircling the burners and having a supporting engagement therewith, the parts operating for the purpose described.

3. Astructure such as defined in claim 2 wherein the main burners carry spacers, and the flash tube extensions encircle said spacers for properly positioning the upper ends of the tubes in respect to the burners.

a pilot light positioned intermediate said main burners, said main burners carrying spacers and shoulders, flash light tubes for igniting said main burners from the pilot light burner, means engaging and supporting the inner ends of said flash light tubes to position the same adjacent the pilot light burner flame, the outer ends of said tubes being provided with an extension forming a framed opening, and the frame of said openings encircling said main burners and the spacers thereof and being supported upon said burner shoulders, the parts operating as and for the purpose described.

5. In a gas stove or the like, a cooking top and a burner chamber therebeneath, main burners located in said chamber in separated relationship, a pilot light burner centrally located in respect to said main burners, a member formed in the shape of a cross and carrying flash light tubes at its under side, theinner ends-of said tubes in spaced apart relation at the center of said cross, the outer ends of the arms forming said cross being provided with an opening, and the frames of said openings encircling and engaging said main burners to support said cross shaped member and to position the outer ends of the tubes adjacent the main burners and the inner separated ends of the tubes radially in respectto the pilot light burner.

6. In a gas stove or the like, a cooking top having a burner chamber therebeneath, main burnerslocated in separated relationship within said chamber and provided on their outer walls with shoulders positioned at a point below the plane of the burner orifices, a pilot light approximately centrally located in respect to the main burners. a flash lighter unit comprising a cross shaped member having flash tubes at its under side, the

outer ends of the arms forming said member terminating in a framed opening and the inner ends of the tubes terminating short of the center of the cross, and said opening frames embracing the burners and being supported upon the burner shoulders to support the flash tubes in operative position in respect to the burners and pilot light.

7. In a gas stove, a cooking top having a burner chamber therebeneath, main burners located in- ,openings for the reception of said burners and having detachable supporting connection with the shoulders of said burners, flash tubes formed at the under side of said plate and extending radially from the pilot light and terminating at the burner openings of said plate, and the side walls of said burners opposite the tube ends being provided with gas outlet orifices, the parts operating as and for the purpose described.

8. In a gas stove, a cooking top having a burner chamber therebeneath, main burners'located in said chamber and provided on their outer walls with spacers and supporting shoulders, a plate provided with openings for the reception of said burners and having detachable supporting connection with the shoulders of said burners, flash tubes formed at the under side of said plate and extending radially from the pilot light and terminating at the burner openings of said plate, and

the side walls ofsaid burners opposite the tube ends provided with gas outlet orifices, the parts operating-as and for the purpose described.

9. In a gas stove, a cooking top and a burner chamber therebeneath, main burners within said burner chamber and arranged in separated relationship and provided on their outer walls with spacers and supporting shoulders, a plate'provided with openings for the reception of said burn-' ers and having detachable supporting connection with the shoulders of said burners, a pilot light having a casing, a tubular member carried by the under side of said plate and adapted to telescope said pilot light casing, flash tubes carried at the under side of said plate and extending radially from said tubular member and terminating at the burner openings of said plate, and said burner being provided with gas outlet orifices for the delivery of gas into the adjacent tube ends, the parts operating as and for the purpose described.

10. In a gas stove, a plurality of burners and a pilot light therefor, a plate adapted to embrace said burners and having supporting connection therewith, flash light tubes carried at the under side of said plate, said tubes adapted to have their inner ends positioned adjacent the pilot light burner and their outer ends adjacent the stove main burners, the inner ends of said tubes having communication with a vertically disposed tubular member, said tubular member adapted to properly position the inner ends of the tubes in respect to the pilot light, and the supporting connection of the plate with the burners properly positioning the outer ends of the tubes in respect to the burners.

11. In a gas stove, a plurality of cooking top burners arranged in separated relationship, a pilot light approximately centrally positioned with respect to said burners, a casing for said pilot light having in its side wall cut-out portions having open upper ends, a flash tube for each burner, said flash tubes having extending portions encircling and detachably engaging said burners to support the outer ends of said tubes, said tubes at a point adjacent their inner ends having a portion of reduced size, and the cut-out portions of said pilot light casing telescopically receiving the reduced portions of thetubes to provide a quick detachable interlocking supporting action between the tubes and the pilot casing, for the purpose described.

12. In a gas stove or the like, a'cooking top having a plurality of main burners therebeneath and arranged in separated relationship, a pilot light positioned intermediate said burners, flash tubes for igniting said main burners from the pilot light, said main burners at a point below the main burner orifices provided with a gas outlet orifice and a support, said pilot light provided with a casing having in its wall cut-out portions having open upper ends, said flash tubes adjacent their inner ends provided with a portion of reduced size adapted to enter the open upper ends of the cut-out portions to provide quick interlocking detachable supporting action with the pilot light casing, the outer ends of said tubes formed with an'extension having therein an opening, and the frame of said extension opening encircling the: main burners and having supporting engagement with the aforesaid burner supports, whereby the outerends of the tubes are properly positioned to receive gas from the aforesaid gas outlet orifices;

ISAAC VERNON BRUMBAUGH.