US1253604A - Gas-burner. - Google Patents

Description

Patented Jan. 15, 1918.

[N V EN TOR. m

W. B. KING.

GAS BURNER.

APPLICATION FILED on. 9. 191a.

WITNEW I resacoag STAE ATNT Q ILLIAM Kine, orleosroiv, MASSAC USETTS.

- GAS-BURNER.

Specification of Letters Patent. P'atgflffl Jan; 15,1913,

Application filed Qctobert), 1913. Serial No. 794,510.

ToaZl whomit may concern; a v a a lie it known that I, T| +:T]'LLL\)[= B. Kine, a citizen of the United States, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Gas l3urners, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters in the drawings indicating like parts in the several figures.

This invention relates to incandescent gas burners and particularly to burner-caps such as are usually soldwith the mantle.

There has been upon-the market tor-sonic years a burner having a pilot-tube which is centrally located within the Bunsentube. This burner requires, however, a mantle with a special burnercap having a central opening through which the central pilottube can pass in order that the, pilot-flame from the pilottube may ignite the gas to render the mantle incandescent when the special key on the burner is turned to allow gas to enter the Bunseintube, Such a man tle issknown in the tradeas a .pilot-gauze mantle and can not be used on burners not having a central pilot-tube because the Bun sen flame isliable to flash back through the central opening. Cohsider'ableconfw sion hastherefore resulted among the mantle-using public, owing to the non-interchangeability of the two types of =burnercaps supplied with the mantles. V

The ob 'ect of the present invention is to provide, for sale with incandescent gas man tles, a burner-cap that can be installed and used upon either type ofburner without any special thought or manipulation upon the part of the user. For accomplishing this obj ect,'my invention consists broadly in providing means for preventing-the flow of combustible mixture through the opening in the deflector in the burner-cap of a pilotauze mantle so that it may be used on a regular burner having no pilot-tube and in constructing and arranging said means so as to allow the pilot-tube of an internal pilottube burner to pass through the opening in the deflector if the burner-cap, with its attached mantle, is used on a burner having such a pilot-tube.

In carrymg out my invention in its preferred form I provide the opening in the burner-cap with a closure of heat resisting but puncturable material which will remain intact as long as the cap and mantle are used upon a burner having no pilot-tube, but which will be liiui ctured by the pilot-tube during the simple and necessary act of plac ing the cap and mantle upon a burner having such a pilot-tube.

In order that the invention may be more fully understood, reference is hereby made to the accompanying drawings, of which- Figure 1 is a side elevation, partly in section, of the present style of mantle fitted with the burner-cap having the central opening, with my improvement applied thereto and punctured by its positioning uponthe central pilottube burner, only the upper portion of which is shown, and

i Fig. 2 is a similar view ofthe same 1na.n tle and shows the closure about to be punc tured by bringing the burner-capinto its proper location on the, central pilot-tube burner. a a v The mantle 7 and burner-cap S are sold together as single article of commerce, the two being held in fixedrelationship by any suitable means, as by the wire 9, as is well. known by users of mantles. Intheburnercap the central part of the wire-gauze 10 is provided witha deflector which consists of a washer 11 having a central opening through which a small tube 12 passes downward into the mixing chamber 13. The tube 12 is sea cured to the washer 11 and gauze 10 by being headed over on the washer 11 above the slight shoulder 14. The tube 12 is enlarged somewhat at its lower end in order more easily to engage the central pilot-tube 15 when the burnencap is placed in position on the top of the mixing chamber tube 18. When in position, the top of the pilot-tube 15 is about flush with the upper end of the tube 12, as shown in Fig. 1. The above is all well-known in the art and is herede scribed in order that the application of my invention will be better understood,

A broad feature of my invention consists in closing the tube 12 with aheat resisting but puncturablc material which will remain inthe burner and usually even without his knowledge that such an operation 18 taking place. The invention further consists in using a material which will not clog the burner or pilot-tube in any way.

In its preferred form, the invention consists in closing the lower end of the tube 12 with a single layer of aluminum foil 17, which admirably meets all requirements of the case. This foil is out large enough to be folded and crimped upon the outside of the tube 12, as seenin Fig. 2, to secure it in position. When this foil extends a substantial distance upon the outside of the tube 12, there is no danger of gas entering the tube (when the mantle is used on a burner having no central pilot-tube) and causing a series of miniature explosions even if the crimping is not gas tight. This is because the gas pressure is comparatively low in the mixing chamber and a free outlet exists for the gas to pass through the gauze in the regular way.

It is tobe understood that I do not limit myself to the use of aluminum foil placed as described but foils of other metals may be used as well as any other suitable substance and the foil or substance may be otherwise located relative to the burner-cap and it may be secured in any suitable manner without departing from the spirit of the invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, 'is

1. A burner-cap having a gauze and a de flector, an opening in the deflector and a closure of heat resisting but easily puncturable material for said opening.

2. A burner-cap having a gauze and a dcflector, an opening in the deflector and a closure of aluminum foil for said opening.

3. A burner-cap, for use on burners either with or without a central pilot-tube, having a gauze, a deflector on the gauze, a tube securing the deflector to the gauze, a closure of heat resisting material for the tube to permit the use of the cap on burners of the second type,said closure being capable of being punctured by the pilot-tube of burners of the first type by the positioning of the cap on said burner.

at. A burner-cap having a gauze, a washer in the center of the gauze, a tube securing the washer to the gauze,and a closure for the tube consisting of a heat resisting but easily puncturable material secured to the tube by crimping and folding.

5. A burner-cap having a gauze and a deflector, an opening in the deflector and a closure for said opening consisting of easily puncturable material somewhat loosely secured to the deflector and forming ajoint slightly open inplaces.

6. A burner-cap having a gauze and a deflector, an opening in the deflector and a closure for the opening consisting of easily puncturable material, said closure being arranged below the gauze so as to be located in the stream of cool combustible mixture when in use on a burner.

7. A burner-cap having a gauze and a deflector, an opening in the deflector-Linda closure of puncturable material for the opening, a burner having an internal pilot-tube for puncturing said closure, said material being of such a nature that it will not clog the pilot-tube.

8. A burnercap having, in combination, a gauze, a deflector, an opening in the deflector and means for preventing the How of coinbustible mixture through the opening in the deflector, said means being cons-tructed'and arranged to allow the pilot-tube ofan internal pilottube burner topass through the opening "in the deflector when the cap is placed on'a burner having such a pilot-tube.

9. A burner-cap, for use'on burners either with or without an internal 1')ilot-tube,having a gauze, .a deflector, an opening in the deflector and means for preventing the flow ofcombustible mixture through the opening in the deflector to permit the use of the cap on a burner of the second type, said means being constructed and arranged to allow the pilot-tube of a burner of the first type to pass through the opening in the deflector when the cap is placed on a burner of the first type.

'In testimony whereof I have name to this specification in the two subscribing witnesses.

WVILLIAM B. KING.

signed my presence of Witnesses:

JAMES O. WRiGHT, EVERETT W. VARNEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

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