US515759A - Lighting device for gas-burners - Google Patents

Lighting device for gas-burners Download PDF


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US515759A US515759DA US515759A US 515759 A US515759 A US 515759A US 515759D A US515759D A US 515759DA US 515759 A US515759 A US 515759A
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    • F23N2227/00Ignition or checking
    • F23N2227/22Pilot burners


(No Model.)
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SPECIFICATION forming part of Letters Patent No. 515,759, dated March 6, 1894.
Application filed July 13. 1893. faerial No, 480,362. (No model.)
To all whom it may concern:
Be it known that I, GEORGE I. Ewnns, a citizen of the United States, residing in the city and county of San Francisco and State of California, have invented a new and useful L1 ghtmg Device for Self-Closing Gas-B u rners, of wh ch the following is a specification.
My invention relates to improvements in llghting devices for automatic gas-burners the object of which is to provide a means whereby such gas-burners as have a cut-off valve operated by expansion and contraction of the burner-shell may be quickly lighted; and it consists of a small gaschamber attached to the supply-pipe underneath the burner, having a gas passage, controlled by a cut-0E, connecting it with the main gas-supply, and a vent or opening to permit gas, when let. into said chamber, to escape around the burner for the purpose of being light-ed to expand the burner-shell; all of which will be more fully described hereinafter and illustrated in the accompanying drawings in which- Figure 1 is a side elevation of a gas fixture, showing my improvement attached. Fig. 2 is the same view as Fig. 1, but shows my improvement partly in section. Fig. 3 is a broken horizontal section partly in elevation taken from dotted line 1, 1, of Fig. 1,and shows the position of the stop-cock while the burner is being lighted,said stop-cock being turned so as to permit gas to how to the burner and also through the supplemental passage underneath the burner at the same time. Fig. 4. is a horizontal section showing the position of thestop-cock after it has been released and while the gas is burning, the supplemental passage being closed. Fig. 5 is a side elevation of a gas-bracket partly in section showmg a modified form of my invention.
Similar letters of reference refer to similar parts throughout the several views.
A is the ordinary gas-pipe or bracket havlng the usual perpendicular nozzle-piece, a, at the end to receive the burner, and the usual stop-cock, B, by which gas is admitted to and shut ofi from the burner. With these parts my invention is combined as follows: C is a cup-shaped piece attached to the under side of the, nozzle-part a, as shown in Figs. 1, 2 and 5, and its cavity forms a gas chamber D, from which a vent, (1, opens upward to allow gas, when let into said chamber, to escape out around the exterior surface of the burner so that it may be lighted to heat and expand the burner-shell.
Now referring to Figs. 1, 2, 3 and 4-one of my arrangements for letting gas into the chamber D consists in connecting a tube, E, between said chamber and the supply-pipe A, and letting its aperture open into the pipeA through the side of the stop-cock B at b, so that when said stop-cock is turned on a little more than is necessary to admit a full supply of gas to the burner gas will also be admitted to the chamber D through E; and afterward a slight backward turn of the stop cock will shut off the passage to E without interfering with the gas current passing to the burner, because the aperture of E is so much smaller than the main passageit can readily be closed Without turning the stop-cock far enough to interfere with the main passage. It will be seen thatl thus make double use of the stopcock B and dispense with the necessity of having a separate one to control the passage through the tube E.
It is desirable to have the stop-cock B fixed so that it cannot be left turned on far enough to allow gas to escape through tube E after the burner has been lighted; thereforeI make use of a suitable spring, F, and connect it with the pipe A and stop-cock Bin such a manner that it will act to turn the stop-cock B back sufficiently to close the aperture of E as soon as B has been released.
To light the burner one has simply to turn B until gas flows through E into D andissues from d, then apply a match; a flame instantly envelope the burner-shell and expands the san1e,and that opens the valve within, whereupon a flow of gas is established through the burner-tip, which ignites from the flame below. B is then released and the spring F turns it back just far enough to shut off the current passing to D, but not enough to interrupt the main flow to the burner.
Now, in view of the fact that in many gas fixtures the stop-cock is so far from the burner that it would be inconvenient to place the tube E as previously described, I have arranged a second way of letting gas into chamber D which is shown in Fig. 5, and consists of having a passage, G, lead direct from the hollow of the part a, down into the chamber D. A tapering rod H, is placed in said passage and its lower end protrudes through the bottom of G, and said rod, aided by spring I to keep it in place, serves as a valve to normally close the passage G.
In lighting the burner the rod H, which for convenience may have a small chain or other pendant attached to its lower end, is pulled downward until gas can flow past its smaller part into the chamber D and then out around the burner where the method of lighting is carried on the same as hereinbcfore de scribed. When the burner has been lighted the rod H is released and the spring I forces it back into proper place to shut off the [low of gas from D.
Having thus described my invention, What I claim as new, and desire to secure by Letters Patent, isp 1. In a lighting device for automatic gasburners, the combination, with the gas-supply pipe or bracket, of a gas-chamber attachment secured underneath the burner, a vent for the discharge of gas from said chamber out around the exterior of the burner, a gas passage leading from the supply plpe into said gas-chamber, and a spring-retracted cut-off adapted to normally close said gas passage,
the burner, an aperture made through said stop-cock adapted to register with and admit gas into said supplemental tube when the stop-cock is turned on a little in excess of what is necessary to'admit gas to the burner, and a suitable spring connected with the stopcock and adapted to turn the latter back, when released, sufficiently to close the aper ture of the supplemental tube, all substantially as herein described.
In testimony whereof I have hereunto set my hand in presence of two. witnesses.
GEORGE I. EWERS. Witnesses:
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