Improvements in or in Connection with Apparatus for the Carburation of Gas in Railway and other Carriage Lamps and Lanterns.
Year: 1885

page_text: Improvements in or in Connection with Apparatus for the
Carburation of Gas in Railway and other Carriage Lamps
and Lanterns.
I, PETER JENSEN of 33 Chancery Lane in the County of Middlesex Fel. Inst. P.A.
do hereby declare the nature of said invention for "IMPROVEMENTS IN OR IN
CONNECTION WITH APPARATUS FOR THE CARBURATION OF GAS IN RAILWAY AND
OTHER CARRIAGE LAMPS AND LANTERNS" (a communication to me from abroad
by Jules Emmanuel Dery of 28 Rue du Marteau Brussels Engineer) and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement :-
This invention refers to an invention of the aforesaid Jules Emmanuel Dery
for which Letters Patent have been granted to Edward Griffith Brewer as a
communication bearing date the 28th July 1884 N° 10675 and the present
invention refers to means as hereafter described for the distribution of the gas to
the burners whether the same is carburetted or not. And in order that the
invention may be clearly understood I will describe the same with reference to
the accompanying drawings. Figure 1 is a sectional elevation of a lamp similar
to those used in railway carriages and constructed according to this Invention.
Figure 2 is a part sectional plan of same. Figure 3 is a sectional elevation of
another form of carriage lamp. Figure 4 is a sectional plan of same on line C D
of Figure 3. Figure 5 is a sectional elevation through the middle of a street
lamp and Figure is a plan section through line AC of Figure 5. Similar
letters of reference refer to like parts in all the Figures.
In the branch of the pipe which conveys the gas directly to the burner without
passing through the carburettor in for example a railway carriage lamp the pipe
is arranged as shown at a bc; each of the ends of the pipes A B, a, b, c and
c C being provided with taps r 11 whereby there can be burnt as desired
1st ordinary non carburetted gas the taps being closed
2nd ordinary
gas perfectly carburetted the taps r and being open and r¹ closed 3rd a mixture
ID A1

page_text: of ordinary gas and carburetted gas the three taps being open. By this last means
the quantity of carburetted gas going to the burner can be easily regulated and
consequently the gas is prevented from becoming too rich through an excess of
carburetting material which sometimes produces a smokey flame. By these means
the protecting chimney L L¹ which is placed inside the apparatus may be almost
dispensed with or at any rate its height may be considerably less than heretofore,
so that the solid carburetting material (naphthaline for example) being immediately
heated, when the burner is lighted the enriching of the flame immediately takes
place after the lighting.
For lamps and lanterns generally these taps are provided with rods or handles
so that they may be operated from the outside.
The plugs of these taps are provided with ends or spindles of a special form to
correspond with a key of corresponding shape in such manner that when once
regulated for the quantity a carburetting material which is suitable for the power
of the burner employed the flame cannot be changed or modified except by the use
of the same key which should be kept in the possession of one person.
The other parts of the lamps are of a construction described in the specification
of the aforesaid Patent and form per se no part of this invention.
Having now particularly described and ascertained the nature of said invention,
and in what manner the same is to be performed, I declare that what I claim as
the invention communicated to me is
The application to railway and other carriage lamps and lanterns for the car-
buration of ordinary gas of taps whereby the supply of ordinary coal gas, or of
carburetted gas or of ordinary gas and carburetted gas at the same time can be
effected or accomplished all substantially as herein before described and illustrated 2
with reference to the accompanying drawings.
BREWER & JENSEN,
For Applicant.