Improvements in Street Lighting Apparatus.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements in Street Lighting Apparatus.
JOHN FREDERICK SIMMANCE, 40, Weltje Road, Hammersmith, W., Civil
Engineer, and JACQUES ABADY, 72, Addison Gardens, W., Kensington Park, W.,
Mechanical Engineer, do hereby declare the nature of this invention to be as
follows: :-
To obviate the necessity for maintaining ignition jets, burning during non-
lighting hours, in street lamps fitted with certain kinds of incandescent mantles,
we propose placing the jet at such a distance from the main burner (supporting
it from the lamp frame if required) as to permit the lamp lighter's torch being
interposed between them through a lighting door in the lantern. The supply
to the jet will be provided with a cock which can be worked by the torch so that
the jet may be turned on and lighted by the torch, and that, after the gas issuing
from the main burner has ignited, the jet may be extinguished.
Or we may fit the jet supply to the main cock in such a way that when the plug
is partly turned on only, gas goes to both main burner and jet, (the latter then
being lighted by thrusting the torch into the lantern).
Then the plug is turned on more, the main burner ignited from the jet flame
and the plug being still further turned the jet goes out, leaving the main burner
alight.
The lighting door we propose to make with a stop so that it will allow the
torch to approach the jet but prevents any contact with the main burner...
The jet can be set. at desired heights to properly ignite the gas, and may point
at the mantle, or above it, or at any part of the stream of gas ascending from the
main burner as may be convenient.
تم
1000
JNO. F..SIMMANCE.
JACQUES ABADY.
Improvements in Street Lighting Apparatus.
JOHN FREDERICK SIMMANCE, 17, Ravenscourt Park, Hammersmith, W., Civil
Engineer, and JACQUES ABADY, 72, Addison Gardens, W., Kensington. Park, W.,
Mechanical Engineer, 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: --
To obviate the necessity for maintaining ignition jets, burning during non-
lighting hours, in street lamps fitted with certain kinds of incandescent mantles,
we propose placing the jet at such a distance from the main burner (supporting
it from the lamp frame if required) as to permit the lamp lighter's torch being
Di 77

page_text: interposed between them, through a lighting door in the lantern. The supply
to the jet will be provided with a cock, which can be worked by the torch, so that
the jet may be turned on and lighted by the torch, & that, after the gas issuing
from the main burner has been ignited, the jet may be extinguished.
Or we may fit the jet supply to the main cock in such a way that when the plug
is partly turned on only, gas goes to both main burner and jet, (the latter then
being lighted by thrusting the torch into the lantern).
Then the plug is turned on more, the main burner ignited from the jet flame,
and the plug being still further turned, the jet goes out, leaving the main burner
alight.
The lighting door we propose to make with a stop, so that it will allow the
torch to approach the jet, but prevent any contact with the main burner.
The jet can be set at desired heights to properly ignite the gas, and may point
at the mantle, or above it, or at any part of the stream of gas ascending from the
main burner as may be convenient.
The accompanying drawings explain the said invention:-
ol
Fig. 1 shows a lantern fitted with an incandescent gas burner, and arranged
for lighting by a torch. A is the flash jet tube. B is a cock or valve interposed
between the main gas supply and A. C, is the main cock.
The action is as follows:-
-
The main cock is turned on by the torch, the lighting door of the lantern is
lifted, & thrust sufficiently far open to come in contact with & open B.
The torch being thrust further into the lantern, ignites the flash jet. This in
its turn lights the incandescent burner, & on the withdrawal of the torch, the
lighting door in closing allows the valve to shut (extinguishing the jet) the valve
being urged to such shutting by a weight, or spring, or attachment to the door.
It is obvious that this valve may also be placed below the lantern, its connection
being suitably made for actuating by the torch as described.
Any convenient form of cocks or valves may be used in the carrying out of
our invention, so long as they are of a description enabling them to be fitted in
a manner to be worked as described.
Fig. 2 shows a similar lantern fitted with an incandescent gas burner,. &
arranged for lighting by a torch. A is the flash jet tube, B is the main cock so
arranged that when the plug is partly turned on, gas goes to both the burner &
the flash iet, which latter is then lighted by thrusting the torch into the lantern,
& which in its turn, lights the main burner. The main cock is then still further
turned by the torch, extinguishing the flash jet, but leaving the main burner
alight. In order to do this, the main cock is specially constructed so that when
partly turned on, it gives gas to two ways, but when more fully turned, only to
one. Figures 3, 4, & 5, show a convenient form of this cock, which has three
ports. Fig. 3. is a sectional elevation gas enters at A, & passes through
passages B, & B B. to the main burner, & also fills the passage C, which leads to
the auxiliary tube. Its further passage in this direction depends upon whether
passage B, has been turned fully coincidently with B, B, as shown in Figs. 3, 4,
& 5, as if so, gas does not reach C. C. If however, passage B, is only partly turned
on. then passage C passes gas to C. C. Fig. 4, is a cross section of Fig. 3, at D, D,
& Fig. 5 is a similar section at E E.
It is convenient though not necessary to arrange a stop on the lighting door,
so as to direct the torch from the main burner & on to the flash jet
In carrying out our invention we do not limit ourselves to the use of the par-
ticular details above described on the other hand we wish to state that we do
not claim any of the details apart from the combinations described.
Having now particularly described and ascertained the nature of our said
invention. & in what manner the same is to be performed, we declare that what
we claim is:-
1. In a lantern fitted with an incandescent gas burner, the combination there-

page_text: with of a fixed auxiliary pipe terminating within the lamp for the purpose of
supplying an auxiliary jet of gas for lighting the gas from the main burner, a
cock or valve for the main burner, & a cock or valve for the supply of gas to the
said auxiliary lighting jet & operated directly or indirectly by the lighting torch,
in such a manner that after lighting the main burner the auxiliary lighting jet
is extinguished by a movement of the torch, substantially as described.
2. In a lantern fitted with an incandescent gas burner, the combination there-
with of a fixed auxiliary pipe terminating within the lamp, for the purpose of
supplying an auxiliary jet of gas for lighting the gas from the main burner, a
treble-ported valve or cock controlling the supply of gas to the main burner, and
to the said auxiliary lighting jet; the said treble-ported valve or cock being
operated by the lighting torch in such a manner, that gas is first supplied to the
main burner and the auxiliary lighting jet, the torch then lights the auxiliary jet,
which in its turn lights the main burner, & the further movement of the torch
extinguishes the auxiliary lighting jet, substantially as described.
Dated this 24th day of Anvil 1000