Improvements in Lighting-devices for Gas Lamps, Stoves, and the like.
Year: 1895

page_text: Date of Application, 26th Jan., 1895
Complete Specification Left, 26th Oct., 1895-Accepted, 7th Dec., 1895
[Communicated from abroad by WILHELM RITTER, of 30 Hansa Ring, Cologne-
on-the-Rhine, in the Empire of Germany, General Managing Director.]
Improvements in Lighting-devices for Gas Lamps, Stoves, and
the like.
I, HENRY HARRIS LAKE, of the Firm of Haseltine, Lake & Co., Patent Agents,
45 Southampton Buildings, in the County of Middlesex, do hereby declare the
nature of this invention to be as follows:-
This invention relates to lighting-devices for gas lamps, stoves and the like.
I will proceed to describe how this invention may be applied to a gas lamp, the
improved device being arranged on the rising pipe and main burner of such lamp,
and also to a candelabrum.
A cock provided in the said rising pipe of the gas lamp possesses a plug having
several ways and through which gas is conducted at the same time to the main
burner and to a hole burner designed for the lighting when a hand lever on the
plug of the said cock is turned close to the highest position it may occupy. Above
the hole burner is a lighting pipe consisting of two parts and fixed to the rising
pipe of the lamp. The upper part of the pipe can be displaced in a muff on the
rising pipe, thereby changing the distance between the two parts of the pipe and
therefore the free space between them. The upper oblique and open end of the
upper part of the pipe is opposite the main burner.
A short distance above the hole burner the lower part of the said lighting-pipe
possesses an opening, and round the latter is provided a cap designed for protecting
from wind and rain the hole burner and a lighting-flame held in front of or
through the opening for igniting the gas coming from the lighting burner. The
gas supplied with air above the hole burner through the said opening is ignited by
the lighting flame, rises owing to a little explosion at the intermediate space
between the two parts of the pipe in the latter, and passes as an ignited mixture of
air and gas to the main burner whose gas as it leaves is ignited by the same.
the hand lever of the said cock is completely raised, thereby shutting off the way
in the plug to the hole burner and extinguishing the lighting flame, while the way
in the cock to the main burner remains open.
Then
Into the way in the said cock leading to the hole burner is inserted a screw
which in proportion as it is screwed in more or less will reduce the sectional area of
way, thus regulating the admission of gas to the hole burner.
this
An intermediate piece above the cock serves for introducing spirits, in case the
rising pipe is closed by freezing.
The upper end of the divided lighting pipe may carry several arms if a number
of main burners are to be lighted by one lighting device. The upper oblique and
open end of each arm is then situated opposite a burner.
When applied to candelabrum gas lamps the improved device may be arranged
in the hollow shaft of the candelabrum. The cock is provided on the rising pipe
at a man's height and its plug is inserted through a hole in the shaft and fixed in
the box of the cock through a hole in the opposite side of the shaft, which is then
closed by means of a plug. Opposite the lighting hole in the lighting pipe is an
opening in the shaft for introducing a lighting flame which ignites the gas coming

page_text: from the hole burner after the aforesaid cock has been opened by means of a key
placed on the square of the plug.
An opening is also formed in the shaft opposite the regulating screw for enabling
the latter to be adjusted. A protecting cap is here unnecessary above the opening
in the lighting pipe.
Dated this 26th day of January 1895.
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.
Improvements in Lighting-devices for Gas Lamps, Stoves, and
the like.
I, HENRY HARRIS LAKE, of the Firm of Haseltine, Lake & Co., Patent
Agents, 45 Southampton Buildings, in the County of Middlesex, 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 :-
My invention has relation to improvements in lighting-devices for gas lamps,
stoves and the like the burners of which are not readily accessible for the purpose,
and it has for its object the provision of means whereby the usual auxiliary and
constantly burning igniting jet is dispensed with, as will be hereinafter fully
described.
In the accompanying drawings,
Figure 1 is an elevation, partly in section, illustrating my invention where
applied to a street lamp or lantern provided with a Welsbach burner;
Figure 2 is a like view illustrating my invention where applied to candelabra or
gas lamps supported from hollow standards or posts, and
Figures 3, 4 and 5 are sectional views illustrating the controlling valve or stop-
cock in its different positions.
Referring to Figures 1, 3, 4 and 5, d indicates a Welsbach or Wells light
incandescent burner of usual and well-known construction, P is the burner pipe
and the gas supply pipe in which pipes is interposed a controlling valve or
stop-cock and a coupling C on the burner side of said stop-cock, said coupling C
being provided with a branch normally closed by a screw cap, for the purpose of
introducing alcohol or the like into the casing a of the stop-cock for thawing water
that may collect and freeze in said valve casing. The barrel or casing a of the
stop-cock is also provided with a passage pl parallel with the axial gas passage p in
said barrel or casing. In the outer end of the passage p' is a small burner e
surrounded by a pipe f provided immediately above the burner orifice with an
igniting and air supply port e, itself protected by a hood h, so that the jet may he
lighted in windy or stormy weather. The supply of gas to the igniter burner e is
controlled by a needle or cone valve plug k, adapted to open or close the afore-
mentioned gas passage pl.
The pipe surrounding the igniter burner c constitutes the lower portion of a
pipe P that conducts the ignited gas from the said burner c to the main burner d,
said pipe P¹ being composed of two superposed sections, the upper section g being
arranged relatively to the lower section f so as to leave an hiatus between the two.
The upper pipe section g terminates at or about the orifice of the main burner and
is cut away obliquely at its outlet to form an enlarged orifice g¹ for the flame facing
the said main burner orifice or outlet. The upper section g of the igniter pipe P
is adjustably secured in a bore of a sleeve i by means of a set screw i¹, said sleeve
being likewise secured to the burner pipe P by means of a set screw 2. The lower
section of igniter pipe P¹ is held in a sleeve 23 by means of a set screw i said

page_text: sleeve having a concave bearing face fitting the main burner pipe P, and being
held in position relatively to the upper pipe section g by a rod .
In Figures 3 to 5 I have shown the two-way plug 61 of the stop-cock in its
various positions, said plug having a squared end 62 for a key or hand lever b, by
means of which the plug is set to the desired position.
In the position of the plug shown in Figure 3, the supply or gas is cut off from
both the main and the igniter burner c; in the position of the stop-cock Figure 4,
the supply of gas is turned on fully to the igniter burner and partly to the main
burner d, while in the position Figure 5, the supply of gas to the main burner d.is
fully turned on and cut off from the igniter burner.
In lighting, the lever is turned to bring the plug to the position shown in
Figure 4, a full supply of gas flowing to the igniter burner c, while but a partial
supply flows to the main burner d; if the gas supplied to burner c is allowed to
escape therefrom so as to become mixed with air and fill the lower section of the
igniter pipe P and is then ignited at e, there will be a flash and as the gas and
flame issue from said lower section an additional quantum of air will be mixed
therewith, resulting in an explosion at the hiatus between the pipe sections that
will force the ignited mixture to the upper end of the enlarged orifice g¹ of the
upper section g of said igniter pipe P¹ and project the flame into the path of the
gas issuing from the main burner orifice and igniting the same. after which
the lever is fully turned up or to the position shown in Figure 5, whereby the
supply of gas to the igniter burner is cut off. When, on the other hand, the lamp
is to be extinguished the lever is fully turned down, or to the position shown in
Figure 3.
It will thus be seen that the lighting and extinguishing of the lamp is readily
controlled by the lever b; that there is no waste of gas either during the burning
of the lamp or after it is extinguished, and that but a comparatively small volume
of gas is required to ignite the gas at the main burner.
By making the igniter pipe P' in sections and leaving an hiatus between the
proximate ends, the jet of flame from the igniter burner can be forced to a
considerable distance by the explosive force of the gaseous mixture which explosion
takes place about midway between the two burners c and d.
In the application of my invention to candelabra, or to street lamps supported
from hollow posts, as shown in Figure 2, the igniting devices are located in
the hollow standard or post m so as to be within easy reach from the floor or
ground. To this end the post m is provided with an opening 7 diametrically
opposite to the lighting aperture or air port e in the lower section of the igniter
pipe P, the hood h Figure 1, being of course unnecessary. The post is further
provided with two diametrically opposite apertures o and o¹ in the plane of the axis
of the barrel or casing a of the stop-cock, while the opening o' after the plug b' has
been secured in position, can be closed by a suitable plug p². The post is also
provided with a third opening, not shown, opposite the regulating valve k, for the
purpose of affording access thereto.
'
of
When the lamp or candelabrum has a plurality of burners the upper section
the igniter pipe P will of course be provided with a corresponding number
of branches extending to the respective burners, and as this construction will be
readily understood by all those conversant with the manufacture of devices for gas
illumination, I have deemed it unnecessary to illustrate the same..
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, as communicated to me
by my foreign correspondent, I declare that what I claim is :-
1. In a gas lamp lighting device, the combination with the main burner, the gas
supply pipe, an igniter burner distant from the main burner, and controlling devices
constructed to control the supply of gas to said burners, of means for conveying the
flame from the igniter burner to the distant main burner.
2. In a gas lamp lighting device, the combination with the main burner, the

page_text: gas supply pipe, an igniter burner distant from the main burner and controlling
devices constructed to control the supply of gas to said burners, of means for
'conveying the flame from the igniter burner to the distant main burner by
explosive force.
3. In a gas lamp lighting device, the combination with the main burner, the
gas supply pipe, an igniter burner distant from the main burner, and controlling
devices constructed to control the supply of gas to said burners, of meaus for
conveying the flame from the igniter burner to the distant main burner, comprising
a pipe extending from said igniter burner to said main burner composed of two
sections arranged to form an hiatus between them, one of said sections provided with
a port proximate to the igniter burner, substantially as described.
4. In a gas lamp lighting device, the combination with the main burner, the gas
supply pipe, an igniter burner distant from the main burner, and controlling devices
constructed to control the supply of gas to said burners, of means for conveying the
flame from the igniter burner to the distant main burner, comprising a pipe
extending from said iguiter burner to said main burner composed of two sections
arranged to form an hiatus between them, one of said sections provided with a port
proximate to the igniter burner and the other having its outlet end cut away
obliquely on the side facing the main burner, substantially as described.
5. In a gas lanp lighting device, the combination with the main burner, the gas
supply pipe, an iguiter burner distant from said main burner, and a valve or stop-
cock constructed to control the supply of gas to both burners, of a flame conveying
pipe extending from one burner to the other and provided with a port proximate to
the igniter burner, said pipe constructed of two sections adjustable relatively to
each other to leave a greater or less hiatus between them, for the purpose set
forth.
6. In a gas lamp lighting device, the combination with the main burner, the gas
supply pipe, an igniter burner distant from said main burner, and a valve or stop-
cock constructed to control the supply of gas to both burners; of a flame conveying
pipe extending from the main to the distant igniter burner and provided with a port
proximate to the last named burner, said pipe composed of two sections arranged to
leave an hiatus between them, and a protective hood for the aforementioned port,
for the purpose set forth.
7. In a gas lamp lighting device, the combination with the main burner, the gas
supply pipe, an igniter burner distant from said main burner, a valve or stop cock
constructed to control the supply of gas to both burners, and an auxiliary valve
adapted to regulate the supply of gas from the main valve to the igniter burner; of
a flame conveying pipe extending from the main to the distant igniter burner and
provided with a port proximate to said burner, said pipe formed of two sections
arranged to leave an hiatus between them, for the purpose set forth.
8. In a gas lamp lighting device, the combination with the main burner, the gas
supply pipe, an igniter burner distant from said main burner, a valve or valves
constructed to control the supply of gas to both burners and means for conveying
the flame from one burner to the other; of a hollow post enclosing the igniting
devices and gas supply pipe, said post provided with apertures through which access
is had to the valve or valves and with an aperture through which the igniter jet is
ignited, substantially as and for the purpose set forth.
Dated this 26th day of October 1905
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.