US1452440A - Gas burner - Google Patents

Description

Apr. 17, 1923. l 1,452,440

w. v. 4RQBINSON GAS BURNER Filed NOV. 30. 1921 M Nle W www 1w 7,3 attowup/ Patented Apr. 17, 1.923.

*Unire .Sffle'lSg l 1,452.44@ Partnr ortica.

WILLIAM V. ROBINSON, OF OIOSSO,..DIICIIIGAN, ASSIGNOR TO THE INDEPENDENT STOVE CO., OF OVJOSSO, MICHIGAN, A CORPORATION OF MICHIGAN'. i

feas BURNER.

Applicationled November 30, 1921. Serial No. 518,752.

To arllwhomz't may coacem' C o Be it known'thatI', Willman V. Roising son, a citizen of the-United States of America, residing at Owosso, inthe county of Shiawassee and State of Michigan. have invented certain new and useful Improvements in Gas Burners, of which the following is a specification, reference being had therein to the accompanying'drawings;

The invention relates to gas bur-ners for cooking stoves and ranges and is more'par-A ticularly designed for use in ovenswhich are arranged on a shelf above an openy ytop cooking range. is usual in the i'ilacin'g of gas burners in. ovens to providerperfora tions or apertures in the oven bottom adj acent to the gas burner for supplying the air required v for the supporting of combustion. Where, however, the oven isarranged above an open top cooking range, the steam rising from utensils on the open top will enter these apertures in the oven bottom and cause the rapid deterioration of the parts through corrosion. The omission of the apertures in the bottom will ordinarily greatly interfere with the proper operation of the burner and, in fact, will usually put out the flame, inasmuch the amount of air supply in the mixer is insufficient to completely support combustion` It is the object of the present invention to avoid the difliculties above referred to and also to improve the operation of the burner. This is accomplished by placing an imperforate bottom below the burner and also ranging in connection therewith a hood which separates the atmosphere above the burner from that at the side thereof, but which is cut away for the passage there through of the burner tips. This hood also provides clearance at each side of each burner tip sufficient for the passage of air for supporting combustion, such air being supplied to the hood from a lateral conduit. This conduit extends to the rear of the shelf, which supports the oven and receives the air which is free from steam.

In the drawings:

Figure 1 is a horizontal section through a portion of an oven showing my burner and hood in plan view;

Figure 2 is a vertical section thereof;

Figure 3 is a cross-section through one of the burner tips with the hood adjacent thereto.

A is the back of a gas range rising above the open top (not shown), and B is a forwardly projecting shelfupon which is supported an oven The shelf B is imperforate so as lto prevent any steam rising from the open topv gaining access to the oven bottom or shelf B and which is connected with a lateral extension H leading rearwardly and connecting with an aperture I in the back A. ThehoodGr completely surrounds the burner and provides a chamber of sufficient capacity to supply air to all portions of the burner. The top of the hood is slightly below the top of the burner and is cut away to extendparallel to the radial arms thereof, leaving a narrow slit J for the upward passage of air.

In operation, when the burner is lighted, the upward draft generated by the flame from the burner tips will cause the passage of air through the slits J to form an envelope surrounding the flame and supporting combustion thereof. This envelope of pure air will exclude the air mixed with products of combustion which is present in the oven and which otherwise would be drawn towards the flame, interfering with combustion.

lVhile I have described my improved burner as applied to ovens above open top ranges, it is obvious that it will work equally well in other locations and that the narrow slit adjacent to the burner tip will direct air against the heated metal so as to raise the temperature and better support combusy tion.

INhat I claim as my 4invention is: l. The combination with a gas burner, of a device for admitting air thereto comprising a hood surrounding said kburner cut away for the passage of the burner tips therethrough and providing clearance for Lthe passage of a thinfstream of air slightly below and adjacent the edge of said burner tips.

2. The combination with a gas burner, of

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a device for admitting air thereto comprising a hood surroundingthe same cut away for the passage of the burner tips and providing parallel walls slightly below the edge of. said tips for directing a narrow stream of air adjacent to the Haine and in contact with the heated wall of the burner. v

3. The combination with a gas burner, and an iniperforate wall arranged beneath the same, of an air supplying device forsaid burner comprising a hood 'surroluntiling said burner cut away for the upward passage of the burner vtips and providing a clearance for ythe upward passage of a narrow stream "n of air Iadjacent to the flame7 integral laterally extending conduit for supplying airv to the hood and means for securing said hood and lconduit to said inperforate wall.

4. lThe combination with a gas range hav- -f ingan eleyated'imperforate slielfland an oven supported thereon, of gas' burner for said oven 'above saidfshelf and an air supplying device therefor coinprising a hood surrounding said gas burner and cut away for the passage of the burner rtips with a clearance i for the upward passage, of a narrow stream of air for supporting combustion of the ame,`a nd an integral conduit for supplying air to said hood extending tothe rear of said shelf.

5. In a gas range, the combination with a vertically extending back' and elevated imperforate shelf projecting forward therefrom, with an oven supported on said shelf, of a gas burner above vsaidshelf and; an air supplying device therefor.v comprising a hood cooperating with said imperforate shelf in surrounding said gas burner and cut away for the passage of the burner tips and providing aclearance for a narrow stream of air adjacent to the flame, an integral conduit for supplying air to lsaid hood extending rearward and' receiving lair from in rear of said back'.

yG rIhe combinationl withan imper'forate wall of a gas burner mounted thereaboye, and an air supplying device for saidl burner comprising a sheet metal hood adapted to lit over said burner and cut away'to permit of the 'protruding' therethrough of the burner tips and saidcut away portion forining a passage-way Yfor a narrow str am of air adjacent yto the liame, anintegraly laterally extending conduit forfsupplying air to said hood and flanges on said hoold and conduit respectively adaptedtothey ysecured to said imperforate wall. i'

yIn testimony whereof I affix my signa.- ture.

WILLIAM V.

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