US737305A - Manually-controlled gas-burner and pilot-light. - Google Patents

Description

I No, 737,305. PATENTED AUG, 25,1903.

- H. w. WEBB;

MANUALLY CONTROLLED GAS BURNER AND PILOT LIGHT; I

' APPLICATION FILED nus, 1902. 1

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UNITED STATES Patented August .25, 1903.

PATENT HOLSTEIN w. WEBB, OF COLUMBUS, ouio.

SPECIFICATION forming part'of Letters Patent No. 737,305, dated August 25, 1903. Application filed May S, 1902. Serial No. 106,455. (No model.)

To all whom it may concern:

a citizen of the United States, residing at Oolumbus, in the county of Franklin and State of Ohio, have invented a certain new and useful Improvement in Manually-Controlled.

Gas-Burners and Pilot-Lights, of which the following is a specification. v

My invention relates to the improvement of gas-burners and pilot-lights therefor, and has particular relation-to the improvement of the construction shown and described in my former application for patent, Serial No.

tudinally through the section 1 are compara- 105,604, filed May 2, 1902.

- The objects of my present invention are to provide a simple and efiective valve mechanism and means for operating the same by hand, to provide in conjunction therewith improved means for conducting gas from the main supply-pipe to thepilot-tube, and to produce other improvements, the details of which will be more fully pointed out hereinafter. These objects I accomplish in the manner illustrated in the accompanyingdrawings, in which- Figure 1 is a view in elevation of a portion of a gas-pipe having my improvements and showing in connection therewith illuminate ing and pilot burners. Fig. 2 is a view of a portion of said gas-pipe, taken at right angles with that shown in Fig. 1. Fig. 3 is an en-- larged transverse section through the valve; taken on line 03 a; of Fig. 1; and Fig. 4 is a central vertical section through the valvecontaining portion or section of the gas-supp p p v Similar numerals refer to similar parts throughout the several views.

. In carrying out my invention I employ a gas-conducting pipe-section 1, the upper end of which may be suitably connected with an ordinary gas-supply pipe. Running-longitively large'and small gas- passages 2 and 3. With the lower end of the section 1 is suitably coupled a short downward gas-conducting pipe-section 4, the lower end of which is formed or provided with a cap 5. Leading laterally from the pipe-section 4 are the desired number of burner-supporting pipe-arms 6, from the outer ends of which rise suitable illuminating gas-burners, one of which is indicated at 7. That portion of the lower end Be it known that I, HoLsrEIN W. WEBB,.

communicates with an outwardly-extending pilot-burner-tube-supporting arm 9, from which rises the pilot-tube 10, the latter having asuitable burner-head 11.

Within a transverse conical socket which intersects the pipe-section 1 .I provide a 1'0- tatable conical valve 12, the latter having formed through its larger end portion a diametric opening 13, which is adapted to be brought into comm unication with the passage 2, while the smaller end portion of the valve 'is provided on opposite sides with separated peripheral grooves or gasways 14. From these grooves 14 lead to the opening 13 valvesurface grooves 15. The valve 12 is provided at its smaller end with a short outwardly-extending and peripherallygrooved stem 16, with which is adapted to engage theupper end of a spring-strip 17, the lower end of which is secured to the outer surface of the pipe-section l, this valve-plug strip serving to hold the spring-against withdrawal from its seat. The larger outwardly-projecting end of the valve is provided with a reduced extension 18, on which is carried inner and outer ratchet-wheels 19 and 2.0, the teeth of whichprojectin oppositedirections. Secured to-the outer surface of the pipe-section 4'at a point below the ratchet- wheels 19 and 20 is 'the'lowerand inturned end of an upwardlyextending bracket-screw 21, upon the threaded portion of which is carried a nut 22. Above this nut said screw is flattened and has pivoted. thereto a lever-bar 23. This lever-bar has its outer end connected with the bracket 21 through the medium of a spring 24 and at its remaining end has-depending therefrom an operatingchain or cord 25. The

spring 24 serves to normally depress the outer end of the lever until the latter is in contact with the nut 22, and this depressed end, portion of said lever is provided with an upwardly-projecting pin 26. The normally elevated end portion of the lever is provided with an upwardly-extending pawl-arm 27, the upper hook end of which is adapted to suecessively engage the teeth of the inner ratchet-wheel 19. Leading into the body of the pipe-section 1 and having its inner end adapted to enter the passage 3 is a regulating-screw 27.

In order to illustrate the operation of my device, we will assume that the valve 12 is turned to the position indicated in Fig. 4 of the drawings, in which position the passage 3 is in communication with the central portions of the oppositely-located valve-grooves 14, and that the passage 2 is closed from the fact that itisintersected by the imperforated portions of the valve. It will be observed, however, that the gas-supply through the passage 3 and the upper groove 14 will be carried through one pairof the grooves 15 to the main valve-opening 13, thence through the remaining grooves 15 to the under side groove 14, down through the continuation of the passage 3, thence through the pipe 8, pipe-arm 9, and pilot-tube 10 to the pilot-burner 11. The limited supply of gas thus furnished the burnerhead of the pilot-tube is adapted to maintain a comparatively small light at said burnerhead. By pulling downward on the chain 25 until the pin 26 comes into contact with a tooth of the outer ratchet-wheel 20 and a partial rotation is imparted to the inner wheel 19 the valve 12 is rotated sufficiently to open communication between the main passage 2 and valve-opening 13. Owing to the extent of the recesses 14 communication of the passage 3 with said recesses is not cut off by said partial rotation of the valve. As a result of the above-described operation of said valve not only is gas furnished through the passage 2 to the illuminating-burners 7,but an increased gas-pressure is provided in the lower portion of the passage 3 through the groove connection 15 of the lower valve 14: and the main valve-opening 13. This increased supply of gas to the passage 3 and pilot-tube burner 11 results in extending the flame at the pilotburner head and insuring the lighting therefrom of the gas which is escaping from the heads of the burners 7. This operation being accomplished and the lever-bar having been allowed to assume its normal position, a second pull on said lever-bar results in a second partial rotation of the valve, whereby the valve-grooves 14: are thrown out of communication with the passage 3, although the main valve-opening 13 still remains in communication with the passage 2, owing to the size of said valve-opening. By this operation it will be observed that gas will be cut off entirely from the pilot tube, while the flames at the illuminating burner-heads will continue. A third operation of the valve-controlling lever results, in the manner heretofore described, in another partial rotation of the valve, which again brings the passage 3 into communication with the valve-grooves let and results in the gas at the burner-head of the pilot-tube igniting. A fourth operation of the valve-levcr so turns the valve as to cut off communication between the passage 2 and valve-opening 13, thereby extinguishing the lights at the burners and leaving a comparatively small flame at the pilot-burner.

By this construction and operation it will be seen that simple and effective means are provided for man uallycontrolling the supply of gas at the pilot and illuminating burner heads and that owing to the arrangement of the gas-conducting tube 8 within a section of the main supply-pipe the pilot supply-tube is hid from view, and this is accomplished without interfering with the passage of the gas from the supply-pipe into the burner-arms 6.

Having now fully described my invention, what I claim, and desire to secure by Letters Patent, is

1. In an apparatus of the character described, the combination of a gas-burner having a main supply-passage, a pilot-burner having a supplemental supply-passage located externally and at one side of the main passage, and a turning plug piercing both passages and provided with a diametric opening to register with the main passage, diametrically opposite peripheral grooves, located in a plane wholly at one side of the plane of the opening to register with the supplemental passage, and longitudinal grooves communicating between the ends of the diametric opening and the corresponding ends of the respective peripheral grooves.

2. In an apparatus of the character described, the combination of agas-burner having a main supply-passage, a pilot-burner having a supplemental supply-passage, a turning plug piercing both passages and provided with means for successively maintaining either passage closed and the other open and for opening both passages and establishing a communication from the main passage to the supplemental passage, a pair of re- Versely disposed ratchet wheels upon the plug, and an intermediately-fulcrumed controlling-lever having a pivotal ratchet-dog in cooperative relation with one of the ratchetwheels, and a push projection in cooperative relation with the other ratchet-wheel.

3. In a burner, the combination of a turning plug, a pair of reversely-disposed ratchetwheels carried by the plug, a screw-threaded pin carried by the burner, a lever intermediately fulcru med upon the pin, a nut adjustable upon the pin and lying inthe path of the lever to form an adjustable stop therefor, a pivotal ratchet-dog carried by the lever for one of the ratchet-wheels, and a push projection upon the lever for the other wheel.

4:. In an apparatus of the character described, the combination of a main gaschamber having a radial series of gas-burners connected thereto, a supply pipe connected to the chamber and provided with a main passage and a smaller supplemental passage, a pilot-burner connected to the supplemental passage and in close proximity to one of the series of burners, a turning plug piercing the main and supplemental passages, the bracket, a ratchet-dog pivoted upon the and provided with a diametric opening to reglever at one side of the fulcrum thereof and ister with the main passage, opposite peripha cooperative relation with one of the ratcheteral grooves to register with the supplemental wheels, and a push projection upon the lever 15 5 passage and longitudinal grooves comm uniat the opposite side of the fulcrum and in eating between the ends of the diametric cooperative relation With the other ratchetopening and the corresponding ends of the rel Wheel. spective peripheral grooves, spaced reversely- HOLSTEIN W. WEBB. disposed ratchet-wheels upon one end of the In presence of-- to plug, a bracket upon the burner, a spring-ac- O. O. SHEPHERD,

tuated lever fulcrumed intermediately upon I W. L. MORROW.

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