US140325A - Improvement in reflectors - Google Patents

Description

UNITED TATES HENRY B. WALnuiDGsfoF" BROOKLYN, NEW Your;v

lMPROVEMENVT liti` REFLCTQRS.

Specification forming part of Letters Patent No. 140,325, dated June 24, 1873; application tiled June 10, 1873.

inner side,-or.coveredwith. silveredlass,

formed with a silvered surface covered with 'transparent glass, in any of the known Ways of forming the surface of rellectors. G represents the support, which is formed of gaspipe in the usual manner, and serves to conduct the gas to the burners, as well as tosustain the recctor. The burners D are attached to `a circular pipe, C, communicating with G, and located just within the upper edge 'of the truncated cone A. The burners are disposed at equal distances around the circle, and preferably' project inwardly toward the center, but they may be placed perpendicularly., fithin the truncated cone is centrally suspended, by attachments from pipev C, or in any suitable manner, an inverted cone, E, the .base of which is inthe plane ofthe up- 'per base of the truncated cone A. The object of this central cone is to increase the redection of light'downvvard by reflecting such rays as are radiated toward the center. 'lhc Y space between the upper edge of the truncated coneA and the base ot' the innercone E should be such that the gas-llame when projecting horizontally will nearly cross and fill it without projecting over or upon the inner cone, so as to burn or unduly heat it. Above this system of reflectors is placed a second reflector, B, formed of a truncated hollow cone of flatter shape, and centrally' perforated to allow the gases ot' combustion to escape upward; -The object ot' this second reflector is to collect such rays as are radiated upward,

and to project theml dou-'nward with as little l loss as possible. The angle of the Hare should be so arranged that the light relectcd shall take directions as nearly as possible ,parallel to the sides of the lower cones, in order to avoid infringing on them and casting shad.

ws oi' said lower cones.

1n constructing'my reectors, regard is had to the extent of the area to be illuminated.v 1f it be small,as in the case of show-windows, the flare of the cones should be so arranged as to confine the body of light within the area vto be illuminated. In public halls or saloons,

where it is desirable to disperso the rays` over a larger area., and not concentrate them, the flare should be expanded. The dimensions and the number of gas-jets employed can also be varied at pleasure. 'lhe central cone'E is not absolutely necessary, as, where small arcas are to be illuminated, one or two gasjets are sutlicient, and the dimensions can then he so contracted that the flame will cover nearly the whole opening occupied by the central cone.

I claim as my invention- 'lhe improved reflector herein described, consisting of the'retlecting hollow truncated cones A and B, the central reflector E, and the gas burners or jets, one or more, located. as described, for the purpose specified.

HENRY 13. WALBRIDGE. j

Witnesses: l

ALICE C. WAL-Bremen, JOHN F. C. PuuiNKim'r.

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