US1132933A

US1132933A - Apparatus for distance gas-lighting.

Info

Publication number: US1132933A
Application number: US80616013A
Authority: US
Inventors: Ephraim William Havers
Original assignee: Individual
Current assignee: Individual
Priority date: 1913-12-12
Filing date: 1913-12-12
Publication date: 1915-03-23
Anticipated expiration: 1932-03-23

Description

E. W. HAVERS. APPARATUS PoR DISTANCE GAS LIGHTING.

APPLICATION FILED DEG.12. 1913.

v 3 0 n x 9 2 SHEETS-SHEET l.

Patented Mar.23,1915.

.L TP A 46W PETERS :c FHoYS-LJTHG., AIASHINGION. D. C.

E. W. HAVBRS. APPARATUS PoR DISTANCE GA LIGHTING.

APPLICATION FILED DBO.12. 1913.

Patented Mar. 23, 1915.

z SHEETS-SHEET 2r THE MORRIS PETERS CO,PHOTU-L1lf-W..wannvuroM. D c

unirsi) srarus Parana: erica?.

EPI-IRAIM WILLIAM HAVERS, OF LONDON, ENGLAND.

.APPARATUS FOB :DISTANCE GAS-LIGHTING.

Application led December 12, 1913.

To all whom it may concern Be it known that l, Eri-marit lfiTiLLrnar Hnvnns, a subject of the King of Great Britain, residing at London, England, have invented new and useful Improvements in Apparatusl for Distance Gas-Lighting, ot which the following is a specification.

My invention relates to improvements in apparatus for distance control and ignition of gas burners of that kind which consist of a valve for controlling the supply of gas combined with a burner in which is arranged an electrical igniting device.

The object oi my present invention is to provide an apparatus which is simpler in construction than heretofore, is easily accessible for cleaning, and which is self-contained. Furthermore, the apparatus hereinatter described is suitable not only for coal-gas burners, but for burners for petrolair-gas, and other like mixtures.

ln the accompanying drawings Figure l illustrates in partial vertical section one form of apparatus constructed according to my present invention and applied to an inverted burner; Fig. E2. an underside view ot the lower end of' Fig. 1; Fig. 3 an enlarged view of the electrical igniter of Fig. 1; Figs. l and 5 detail views of modified forms of burner ends; Fig. 6 a section of a modified form ot regulator; Figs. 7 to 10 illustrate various modified forms of inverted burners; and Fig. l1 shows the application of my invention to an upright burner.

Similar letters of reference relate to like parts in all the figures of the drawings.

Referring to Figs. l, 2 and 3, g is the casing containing any suitable valve device Jfor controlling the admission of gas, and below the connection c is situated a regulator or nipple consisting ot an inner part n having a plurality of holes, and in the case of a regulator as shown, each hole is furnished with a tapered needle p or the like arranged to enter or recede from its hole, thus regulating the opening of the same. The needles p are carried by a small cup Q which is raised and lowerd by means or" a crank-pin r acting upon a slot in the cup g when the button s is turned in either direction. Or l sometimes employ a regula.- tor of the kind shown in Fig. 6, in which the regulating screw is adapted to shut oil' one or more of the `holes u as the said Specicaton of Letters Patent.

Patented Mar. 23, 1915.

serial No. 805,160.

screw t is turned more or less in one direction.

The outer part o of the regulator or nipple (Fig. l) is electrically insulated from the inner part n, and to the latter part is attached a central conductor-rod o which extends in a downward direction as shown in Fig. l (or in an upward direction in the case of an upright burner to be hereinafter described with reference to Fig. 11), and is connected at the lower end to the central tube w of the igniter device by sliding therein or thereon, or otherwise. The central tube fw of the igniter is diverted from the central line as shown in Figs. 1 and 3, and passes through an insulating block contained within the outer metal tube y, and receives one end 01"' the platinum igniting coil or filament e, the other end of the latter being similarly held in a short metal tube 2 which is partly embedded in the insulating bloclr a@ but is in electrical contact with the outer metal tube y. rlhe ends of the coil or filament .z are retained in their respective tubes w and 2 by any suitable means, as for example by crushing the ends of the said tubes around the ends of the coil or filament in a known manner. The upper end of the outer metal tube y of the igniter is connected to the lower end of the ordinary mixing tube or chamber 3 by means of a conical connection 4 with air openings 5 in the side wall thereof in which may be fitted a gauze, and the whole may be inclosed by a screwed nozzle 6. Or the conical connection d may be perforated in such a manner as `to allow the gauze to be dispensed with. The annular space 7 between the inner circumference of the nozzle 6 and the outer circumference of the igniter tube y form the aperture through which the gas and air mixture issues, and is ignited by the incandescent coil or iilament e in the igniter tube y. The nozzle 6 may have prongs or radial ribs 18 internally for centering the igniter and insuring its correct position.

On gas being admitted to the regulator or nipple 0 through the valve, it passes with an appropriate quantity of air down the mixing tube or chamber 3 to the nozzle 6 where it issues by the annular aperture 7 and is ignited by the incandescent coil or filament e within the igniter tube y. rFhe coil or filament e is rendered incandescent by a current of electricity which may pass from the terminal z' of the valve-actuating device, through the central insulated metal portion n to the regulator or nipple, and

thence by the central conductor rod o to the central tube 'w of the igniter, and through the coil or filament .e rendering the same incandescent. rihe current leaves the other end of the coil or filament e by the short lo length of tube 2 and passes through the outer metal tube y, the conical connector A, the mixing tube or chamber 8, the outer part 0 of the regulator or nipple, to the terminal j. Or the connections maybe varied according to requirements.

)Vhen employing an inverted burner for petrol-air-gas or other like mixtures, l prefer to employ a nozzle fitted with gauze or perforations at the orifice thereof surrounding the ignition chamber, for the purpose of breaking up the mixture and assisting ignition. Fig. A shows a number of slots or perforations formed in a metal cap @Z screwed on to the end of the burner nozzle 6; and Fig. 5 shows an annular gauze ring e held in place on the nozzle burner 6 by means of a cap 7 screwed on to the said nozzle. Or the slots or perforations may be formed in the end of the nozzle 6 itself.

In the modification illustrated in Figs. 7 and 8 the upper ends of the conductors 8, 9 are connected below the gas regulator or nipple 0 to two separate upwardly extending semi-cylindrical members 19, 20 and mounted on a common insulating base 22 (which may also form a choke-bore as shown) and be adapted to fix on to similar electrical conductors 8", 9 above by a bayonet joint thereby completing electric connection to the igniter and forming a support for the burner in a simple and efiicient manner. Or the conductors may extend through holes drilled on either side of the gas regulator, always being suitably insulated therefrom.

Chokebores for securing efficient mixing may be fitted as desired, and in some cases these choke-bores may have grooves or slots to allow the passage of the conductors 8, 9

instead of these passages being formed in the mixing tube 3. 0r the mixing tube may be rifled, and the conductors 8, 9 bent to lieb in the recesses outside the said mixing tu e.

In the modification illustrated in Fig. 9 the mixing tube 3 and the burner nozzle 6 (to avoid direct conduction of heat) are connected to flanged

extensions

28 and 24. Layers of

insulating material

27 and 28,

such as asbestos for example, are provided between these flanged extensions 23 and 24:, and the whole are clamped together by any convenient means which maintain the insulation of the said

parts

23 and 24. In

this case the conductors 8, 9 may be entirely external, and be formed of depending members as shown, the current from these being led into the nozzle 6 through the

screws

25 and 26 as shown. A similar arrangement is illustrated in Fig. 10 applied to a burner 7o with a central conductor rod o, the electrical connection between the conductor 9 and the outer metal tube y of the igniter being effected through the screw 25, flange 241, and cone A; and between the conductor 8 and 75 the central rod v through the screw 26 and the horizontal extension @X of the said rod.

Fig. l1 illustrates the application of the central conductor rod o (hereinbefore described with reference to Fig. l), to an up- 8o right form of burner, in which it will be seen that the igniter tube g/ is disposed centrally of the burner proper 29, and that the valve casing g and its actuating parts are arranged at the lower part of the burner fitting. ln other respects the construction of this upright burner is on the same lines as already described in connection with the inverted burners.

Claims:

l. Apparatus for distance control and ignition of gas, comprising a burner nozzle 6, an electrically incandescent filament (z) mounted in two tubes (w, 2) insulated from one another and contained within a short metal tube (y) disposed centrally of the interior of the said nozzle (6), a gas regulator (0) with an insulated central portion (n), a central conductor rod (c) between the said insulated central portion of l0@ the regulator (0) and the tube (w) carrying one end of the lament (e), the tube 2) which carries the other end of the said lament being in contact with the before mentioned short metal outer tube and outer casing of the apparatus, substantially as described.

2. Apparatus for distance control and ignition of gas, comprising a burner nozzle (6), an electrically incandescent filament (e) mounted in two tubes (w, 2) insulated from one another and contained within a short metal tube (y) disposed centrally of the said nozzle (6), a gas regulator (o),

insulating base (22), two separate semi- 315 cylindrical members (19, 20) mounted upon the said base (22) which complete the electric circuit to the filament (e) and form a support for the burner, substantially as described.

3. Apparatus for distance control and ignition of Oas, comprising a burner nozzle (6), an electrically incandescent filament (e) mounted in two tubes (w, 2) insulated from one another and contained within a short metal tube (y) disposed centrally of the interior of the said nozzle (6), a gas regulator (o) with a plurality of holes and formed of two separate insulated parts (o, n), and a central conductor rod (o) removably and centrally connected to the inner separate insulated part (n) of the said regulator (o), substantially as described.

4. Apparatus for distance control and ig- 5 nition of gas, comprising a burner nozzle (6), an electrically incandescent filament (e), an insulating block a short tube (w) in the said block (x) which receives one end of the said larnent (a), and an- 10 other short tube (2) in metallic connection With the casing containing the said insulating block substantially as described.

In testimony whereof I have signed my name to this specification in the presence of l5 two subscribing Witnesses.

EPHRAIM VILLIAM HAVERS. lVitnesses:

STEPHEN EDWARD GUNYON, ALEXANDER EDWARD BECK.

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