Improvements in Apparatus for the Production of Acetylene Gas.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in Apparatus for the Production of Acetylene Gas.
We, HENRI DE THIERSANT, 187, Fulham Road, London, S.W., Clerk, and
WILLIAM ALLEN COULSON, 105, Kyverdale Road, London, N., Freight Manager,
do hereby declare the nature of this invention to be as follows:-
This invention relates to improvements in apparatus for the production of
acetylene gas, the object being to provide a compact form of apparatus which may
be employed say for instance for the purpose of providing acetylene gas for use
with velocipedes and other vehicles. In carrying out my invention we employ
an outer casing or chamber which contains a receptacle for carbide of calcium so
arranged that the water when required comes into contact with the carbide of
calcium through a suitably shaped perforated tube, such as a spiral or helix. We
also provide a detachable casing or chamber having an outlet controlled by a
valve which may be attached to the outer casing or chamber carrying the recep-
tacle for the carbide of calcium. This detachable chamber is for the purpose of
containing water and when attached to the outer chamber or casing containing
the receptacle for the carbide of calcium and the outlet valve opened the whole
may be inverted and the water will then flow into the outer chamber or casing.
The outlet valve may then be closed and the whole again inverted, when the
water will come into contact with the carbide of calcium through the medium of
the spiral or helix shaped perforated tube, and the gas generated may then be
conveyed through a suitable outlet to any convenient form of lamp. The inlet
to the receptacle containing carbide of calcium is so arranged by means of
chambering that when the apparatus is first inverted the water will pass the
inlet to the carbide of calcium receptacle and enter a space provided for it in
the outer chamber or casing, but upon again reversing the position of the appa-
ratus after closing the water outlet valve the water will come into contact with the
carbide of calcium. When it is required to remove the water from the carbide
of calcium it is simply necessary to again open the water outlet valve in the
detachable chamber when the water will again flow into same, a suitable escape
aperture for air being provided in order to allow this to take place. Any suitable
form of valve or escape may.be employed upon the outer casing or chamber for
the purpose of preventing pressure of the gas generated becoming too great.
Dated this 19th day of January 1898
E. EATON,
Agent for Applicant.

page_text: We, HENRI DE THIERSANT, 187, Fulham Road, London, S.W., Clerk, and
WILLIAM ALLEN COULSON, 105, Kyverdale Road, London, N., Freight Manager,
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 follow-
ing statement:-
This invention relates to improvements in apparatus for the production of
acetylene gas, the object being to provide a compact form of apparatus which may
be employed say for instance for the purpose of providing acetylene gas for use
with velocipedes and other vehicles. In carrying out our invention we employ
an outer casing or chamber which contains a receptacle for carbide of calcium so
arranged that the water when required comes into contact with the carbide of
calcium through a suitably shaped perforated tube, such as a spiral or helix. We
also provide a detachable casing or chamber carrying the receptacle
for the carbide of calcium. This detachable chamber is for the purpose of
containing water and when attached to the outer chamber or casing containing
the receptacle for the carbide of calcium and the outlet valve opened, the whole
may be inverted and the water will then flow into the outer casing or chamber.
The outlet valve may then be closed and the whole again inverted, when the
water will come into contact with the carbide of calcium through the medium of
the spiral or helix shaped perforated tube, and the gas generated, may then be
conveyed through a suitable outlet to any convenient form of lamp. The inlet
to the receptacle containing carbide of calcium is so arranged by means of
chambering that when the apparatus is first inverted, the water will pass the
inlet to the carbide of calcium receptacle, and enter a space provided for it in
the outer chamber or casing; but upon again reversing the position of the appa-
ratus after closing the water outlet valve, the water will come into contact with the
carbide of calcium. When it is required to remove the water from the carbide
of calcium, it is simply necessary to again open the water outlet valve in the
detachable chamber, when the water will again flow into same; a suitable escape
aperture for air being provided in order to allow this to take place. Any suit-
able form of valve, or escape may be employed upon the outer casing or chamber
for the purpose of preventing pressure of the gas generated becoming too great.
Referring to the annexed drawing,
Figure 1 is a sectional side elevation.
a is an outer cylinder or casing in which the receiver or container 6 for the
carbide of calcium holder is contained, this receiver being provided with
apertures p, for the purpose of allowing the water contained in the cylinder a to
come into contact with the carbide of calcium g through the medium of the spiral
perforated tube d. e is a cone attached to the carbide of calcium holder and having
an aperture at f, this cone preventing extraneous entrance of water to
the carbide of calcium holder. The position of the carbide is indicated
at g. The top of the carbide of calcium holder is perforated at h so
that the gas generated will pass through the tube i to the tap or cock j from which
it may be used as required. 63 is a cage of wire gauze or such like material which
is placed as shewn in order to prevent the plugging or stopping of the apertures
in the spiral tube d. k is an escape tube for the purpose of allowing any excess
of gas generated after the water has been driven from contact with the carbide of
calcium. The carbide of calcium holder 6' is secured in the receiver or container b
by means of any suitable device such as a bayonet joint consisting of two pro-

page_text: jections which enter vertical slots in the receiver b and are then partially revolved
so as to lock the carbide of calcium holder in position. m is a cylinder or casing
which may be secured to the cylinder or casing a by being screwed therein and
into which air is allowed to enter, by means of the pipe n so arranged as to project
towards the centre of the casing. o is a valve arranged in the casing a for the
purpose of allowing the water contained in the casing m to pass into the casing a.
The action is as follows. A suitable amount of water is placed in the casing m
which is then screwed into the casing a and the whole inverted. The tap or
cock o is then opened and the water flows into the casing a. The tap is then closed
and the whole again inverted, when the water will flow through the apertures pand
come into contact with the carbide of calcium through the perforated tube d,
and generation of gas will then take place, which may be allowed to escape through
the tap or cock j. When required we provide a suitable filtering material which
is carried in the pipe i at or about the position j¹ for the purpose of filtering the
gas. In the event of the generation of gas being greater than its consumption
or escape through the cock j owing to the pressure generated it will force the
water out of contact with the carbide of calcium and any excess of gas generated
will pass from the apertures p through the water and then escape through the
escape pipe k. When the apparatus is not required for use, by opening the tap o
the water will pass into the casing m and by closing the tap will be prevented
from passing into casing a until it is required. It will be seen that by the use
of the air vent tube n which is centrally placed, when the whole is inverted the
water will not naturally escape through this tube.
This form of apparatus is particularly applicable in cases such as for velocipedes,
being compact and readily brought into and out of use.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed, we declare that what
we claim is:-
:-
1. An apparatus for producing acetylene gas, consisting of a casing containing
a chamber communicating with an escape valve and in which chamber a holder
containing carbide of calcium is carried; said holder being provided with a conical
depending piece and a spiral perforated tube through which the water comes into
contact with the carbide of calcium when required, a casing or cylinder containing
an air inlet tube prolonged towards the centre of said casing which may be
crewed into the end of the casing containing the receiver and carbide of calcium
older; a tap or valve in casing containing carbide of calcium holder so arranged
hat the water may pass from one casing to the other by inverting the apparatus
s required. An outlet or escape valve in the casing containing the carbide
older for the purpose of allowing any surplus gas to escape.
Total h
1
1
d
" 1000