US1257930A - Incandescent gas-fitting. - Google Patents

Description

J. I. ROBIN. INCANDESCENT GAS FITTING. APPLICATION HLED AUG-l. 1914.

Patented Feb. 26, 1918.

2 SHEETS-SHEET I.

5] mm MM cm fyzza/ 30%;:

J. I. ROBIN.

INCANDESCENT GAS FITTING- APPLICATION FILED Aue.|, I914.

Patented Feb. 2 1918' A 2 SHEET5 SHEET 2' FFTQEE.

JACOB IGNOT ROBIN, OF HARROW, ENGLAND.

'INCANDESCENT GAS-FITTING.

Specification of Letters Patent.

rat-eaten Feb. as, rare.

Application filed August 1, 1914. Serial No. 854,4a6.

To all whom it may concern Be it known that I, JACOB I. ROBIN, a citizen of the United States, residing at town of Harrow, Middlesex county, England, have invented certain new and useful Improvements in Incandescent Gas-Fittings, of which the following is a full, clear, and exact description.

My invention relates to incandescent gas fittings and has for its object to provide a gas fitting in which the mantles are supported by an upwardly extending standard and a globe, or like protecting device, is supported by said standard at a point below the mantles, being sufficiently closed to protect the latter from the effect of drafts or air currents.

It also has for its object to provide such a fixture in which the mixing chamber of the fixture is separated from the mantles by the globe, and is thus maintained in a cool condition, due to the interposition of the globe between the mantles and the mixing chamber.

It also has for its object to provide a simple and effective means for mounting the globe upon the standard.

The following is a description of an embodiment of my invention, reference being had to the accompanying drawings, in which,

Figure 1 shows a vertical section of a fixture embodying my invention.

Fig. 2 is a detail plan view of the upper end of the support.

Fig. 3 is a section on the line 3-3, Fig. 1.

Fig. 4. is a perspective view of the cone shaped distributer in the upper part. of the standard.

Fig. 5 is a vertical section of tion.

Referring more particularly to the drawings, l is a base portion having a needle valve 2 operated by a crank-pin connected to the head 3. The needle valve opens into a mixing chamber, which is surrounded by a regulator 4 having pcrts by which the supplv of air is controlled. From the upper part of the mixing chamber extends a tubua modificalar member 5, over which fits a tubular sleeve 6, the lower portion of which is slit and then bent out to form four obliquely extending projections 7. 8 is a globe closed at the bottom suliiciently to shield the manties from external drafts of air currents. I do, however, provide small openings 8 to give a slight current of air through the globe. This globe rests upon the upper part of the mixing chamber and is held in upright position by the engagement of the extensions 7 of the tubular member 6. Secured to the upper end of the tubular memher 9 is distributer 10 having a downwardly extending conical surface. From the lower shell 9 depend five burner tubes 11, each provided with surfaces 12 for supporting the mantles 13 with their bases 14.

In order to conduct the gas to the tubes without setting up eddies, I form a plurality of channels 15, lying partly in the lower wall of the chamber and partly in the portion 10 and leading directly from the upper end of the tubular connection to the several tubes respectively.

In placing the globe upon the fixture, the tubular member 6 and parts carried thereby are lifted from the tubular member 5. The globe is then placed in position and the tubular member 6 slipped over the tubular member 5 until the extensions 7 come in contact with the bottom of the globe so as to engage its upwardly facing inner surface and hold it in upright position on said sup port. The parts 5 and 6 in the form shown. fit closely and are held together by friction.

The gas and air are mixed in the mixing chamber in the ordinary manner and pass upward through the tubes 5 and 6 until the mixture reaches the distributor 10, Whereupon the current is divided so that the mixture is distributed to the several burner tubes carrying the inverted burners 13.

The globe surrounding the mantles is sufficiently closed to protect them from drafts or currents of air, and the lower portion of the globe lying between the mantles and the mixing chamber shuts off much of the heat of the burners from the mixing chamber, so that it is maintained in a cool condition. The globe is easily removed and replaced and is held in position in a satisfactory manner.

In the modification shown in Fig. 5, a

vsimilar globe is supported in a similar manner. In this case, however, the cup 16 is provided for the lower end of the lobe, which is somewhat tapering. The tribe 5' extending from the upper end of the mixing chamber is surrounded by tube 6 having a circumferential extension 7', which, when the tube 6' is in position, bears against the inner surface of the globe sothat it is clamped 'zbetweeniethe" parts 7' and I5 and is thus heldin place. With this fornnwhile it is not as simple to manufacture, the globe isheld in position by theiengagement of a holding member with the tube which rises from the mixing chamber and the-globeis interposed between the mantles and-the mixing ehainber so-t-hat the latter is maintained in a cool condition. The mantles-are. also protected against draftsor currents of air.

'A'snwill be evident-.tothoseskilled in the art,-.;myi;invlenti on permits of various, other modifications With0ut, vdeparting from the spirit-thereofor the. scope of the. appended :7

,claimss 7 What Iclannas: .i 7 1. Inan incandescent gas fitting, a. 1'I11X-' ing;chambervhaving air inlets, a tubular eX-. -tension ,;-pro ect1ng:::upwardly from vsaid chamber, a globe. located :above said air inletsand havinga small openlng at the bottom closely embracing the bottom of said tubular eXtension,-; inverted mantles, 5a

sleeved member surrounding and engaging sald tubular, extension and havlng at 1ts upvper end portions carrying said mantlesand at its lower end engaging the upwardlyfacing inner surface of said globe.

2. In .an incandescent IgaS fitt1ng,.a IIllXe Copieso! this patent may be obtained for tubular extension -;ing chainber having air: inlets, a tubular ex- 2 tension projecting upwardly" from said chamber, a globe located above said air inletsa-ndhavinga small opening at the bottom closely embracing the bottom of said inverted mantles, a

sleeved member surrounding said tubular 'extensron'and having at its upper-end .p'or -,t1on'scarry1ng,sa1d mantles and at 1ts lower end engaging the inner surface of said globe, the lower end of said sleeved member being divided into aplurality of separated globe engaging arms.

chamber, and a plurality of burner tubes dependingifrom the lower wall of said conical distributer, said chamber having a plurality of channels leadingdirectly from the upper endof said tubular connectionto said several tubes.

JACOB IGNOT ROBIN."

Witnesses:

H. B. BRowNELL, L, VREELAND.

five cents each. by addressing the Commissioner of Patents.- Washington, D. C. o g Y

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