Improvements in Gas Lamps.
Year: 1889

page_text: Date of Application, 3rd July, 1889
Complete Specification Left, 1st Apr., 1890--Accepted, 3rd May, 1890
PROVISIONAL SPECIFICATION.
Improvements in Gas Lamps.
I, ARTHUR HEALD, of 18 Leinster Square, Bayswater, in the County of Middlesex,'
Manager of Works, do hereby declare the nature of this invention to be as
follows:-
The object of my invention is to simplify the construction of gas lamps suitable for
use with mantles for incandescent lighting and to render them less liable to light
back than has heretofore been the case in such lamps when constructed in the usual
manner with an ordinary Bunsen burner and a gallery. Now according to my inven-
tion the burner is constructed with a tubular chamber with its upper part of smaller
diameter than the lower part; the upper part is provided with a steatite extension
with reticulated top and button or may be of other known or suitable construction.
In the lower part of the chamber there projects a nipple for supplying gas. The
bottom of the chamber around this nipple is formed with perforations for the admis-
sion of air which is regulated by means of a perforated dise or plate that can be
adjusted so as to regulate the supply of air through the perforations in the bottom of
the chamber according to requirement.
Dated this 3rd day of July 1889.
W. LLOYD WINE.
COMPLETE SPECIFICATION.
Improvements in Gas Lamps.
1, ARTHUR HEALD, formerly of 18 Leinster Square, Bayswater, but now of
14 Palmer Street Westminster, in the County of Middlesex, Manager of Works, do
hereby declare the nature of this invention and in what manner the same is to be
performed to be particularly described and ascertained in and by the following
statement:—
The object of my invention is to simplify the construction of gas lamps suitable for
use with mantles for incandescent lighting and to render them less fiable to light
back than has heretofore been the case in such lamps when constructed in the usual
manner with an ordinary Bunsen burner and a gallery. Now according to my inven-
tion the burner is constructed with a iubular chamber with its upper part of smaller
diameter than the lower part; the upper part is provided with an extension with
reticulated top and button or may be of other known or suitable construction. Into
the lower part of the chamber there projects a nipple for supplying gas. The bottom
of the chamber around this nipple is formed with perforations for the admission of air
which is regulated by means of a perforated disc plate or valve that can be adjusted
so as to regulate the supply of air through the perforations in the bottom of the
chamber according to requirement.
In the accompanying drawings,
Fig. 1 is a vertical section; and
Fig. 2 an inverted plan of my improved Bunsen burner as constructed for use in a
lamp of the kind hereinbefore referred to.
The burner comprises a tubular chamber 1, 2, provided with a bottom 3 foruted
with inlet holes 4 for the admission of air. The upper part 2 of the tubular chamber
is of smaller diameter than the lower part 1. This construction enables air and gas
to be effectually mixed with a much shorter tubular chamber than usual. 2, are
arms for supporting a lamp chimney or globe: 5 is an L shaped ring or collar
screwed on to the part 2; it supports a tubular extension 6 of suitable material, for
example steatite, provided with a reticulated top 7 (or it may be a perforated top) to

page_text: which is secured a button S. The extension 6 serves to carry a tubular holder of
known kind, not shewn, to which is connected the lower end of a mantle for incan-
descent gas lighting as well understood. 9 is a second reticulated diaphragm; its use
is to assist in mixing the air and gas before they issue from the burner and to aid in
preventing lighting back of the combustible mixture in the chamber. This diaphragmi
9 is carried by the extension 6 and is arranged below the top 7. The top 7 and the
diaphragm 9 can be of gauze. 10 is a nipple formed with one or more exit openings
for gas; in the example shewn one opening 11 only is shewn but there may be
several. The nipple is screwed through the perforated bottom 3 so as to project into
the lower part 1 of the tubular chamber as shewn, and is screw threaded internally for
attachment to a gas supply pipe. The nipple might however be flat at the inner end
and flush with the inner surface of the bottom 3 of the chamber. 12 is an adjustable
perforated dise plate or valve for regulating the passage of air through the holes 4 in
the bottom 3. This disc or plate surrounds the nipple 10 about which it can be
turned 13 is a screw that passes through a slot 14 in the plate and screws into the
substance of the bottom of the chamber 1, the arrangement being such that the dise
plate or valve can, when necessary, be turned about the nipple 10 as a centre so as
to partly close the air holes 4 more or less and thus regulate the flow of air to the
burner as required.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is:-
1. In an incandescent gas lamp the hereinabove described construction and arrange-
ment of parts comprising the tubular chamber having its upper part 2 of smaller
diameter than its lower part 1, with air holes, in the bottom, perforated disc
valve 12 whereby the air admission can be regulated as described, and the gas supply
nipple 10 having one or more gas inlet openings as set forth for the purpose
specified.
2. In an incandescent gas lamp the combination and arrangement of parts shewn
in and described with reference to the drawings annexed.
Dated this 1st day of April 1890.
W. Lloyd Wise,
ARTHUR HEALD.
40, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.