Year: 1899

page_text: Date of Application, 23rd May, 1899
Complete Specification Left, 23rd Feb., 1900-Accepted, 7th Apr., 1900
I, CARL SCHRÖDER, Brewer, Arendsee, Altmark, in the Empire of Germany,
do hereby declare the nature of this invention to be as follows:-
The present invention relates to a new apparatus for use in the production of
acetylene gas.
The apparatus consists essentially in a device in which the supply of the
carbide is effected by releasing a charge at intervals by clockwork which is
controlled by the sinking of the gasometer bell.
A clockwork mechanism of ordinary construction is employed with a stopping
device. The latter consists of a lever pivotted on a pin. The outer end of this
lever carries at its extremity a horizontal plate or the like. Pivotted to the
lever at its other ends is a second lever which presses with one of its ends
against a boss or projection on the main lever while its other end projects and
is in contact with a pin whenever the plate at the end of the main lever is
pressed down.
This pin is carried on a lever firmly connected to a shaft passing through the
case of the clockwork. This shaft actuates, by means of an arm or the like
fixed on it, a lever arranged in the interior of the clockwork and pivotted on
another shaft which lever stops, when at rest one of the clockwork wheels by
means of a pin secured to it. The whole of the clockwork, therefore, is con-
trolled by this lever. If the plate is pressed down, the pivotted lever will press
against the pin of the lever turning its shaft and with the pin or arm carried
thereon. In so doing the arm strikes against a pin and raises the controlling
lever in such a manner that the pin of the driving wheel is set free and the
clockwork moves. The pivotted lever presses against the pin of the lever until
they separate, the pin passing over the point of the lever.
In order to obtain a certain limited movement of rotation, independent of the
main lever, i.e., independent as to whether the latter is pressed down during a
longer or shorter time, the shaft of a driving wheel which gears with a pinion
of a wheel of the clockwork mechanism is provided with a plate on which the
controlling lever slides. The plate is provided with a triangular recess into
which the correspondingly shaped controlling lever falls. By means of such an
arrangement the controlling lever will always stop the clockwork after one
evolution of the driving wheel. The pinion of the driving wheel engages with
chain or spring wheel on a shaft such an arrangement producing the effect
hat this shaft will always turn a certain extent according to the ratio between
he number of teeth on the pinion to that of the wheel.
г.
The shaft of the spring or chain--driving wheel is prolonged towards the
utside and connected with a cylinder. This cylinder is provided with teeth
r projections arranged round the cylinder in a spiral their number correspond-
ng to the ratio between the number of partial rotations of the chain driving

page_text: wheel to that of the whole circumference. These teeth actuate in their rotation
pivotted levers or rods which normally engage with the doors or valves on the
under side of the carbide holders. The holders consist in the construction
described in the present case of a number of boxes or compartments side by side
which are closed at the bottom by hinged doors or valves.
These compartments are filled with carbide from which it falls as the valves
are opened.
The number of carbide boxes preferably corresponds with that of the pro-
jections. The working of the apparatus is as follows:-
The gasometer bell is provided on the top with a rod which at its upper end
is bent round or at right angles. This end is provided with a weight hanging
on a wire, the said wire and weight being adjustable on the rod, the wire
preferably being provided at its upper end with an adjusting screw by means
of which the weight may be regulated as regards height.
When the gasometer bell descends the weight comes in contact with and
presses down the plate which presses the outer arm of the main lever down and
raises the other end of the lever pivotted to it in consequence of which the
whole clockwork is set in motion whereby the shaft with its cvlinder is rotated.
The cylinder revolves, according to the stopping device already described, to such
an extent that one of the teeth or projections releases one of the levers or catch.
By this means a door or valve of the carbide receptacle is operated and a supply
of carbide falls into the water, and, as a consequence, gas is produced and the
gasometer bell again rises. The main lever returns to its position of rest by
means of a weight whereupon its pivotted lever slides past the pin until it again
comes underneath it. The weight hangs on a cord passing over a roller its
other end being fastened to the main lever. In proportion, as the gasometer
is emptied, it sinks by means of which the weight carried by the rod again
settles and presses on the plate, setting the clockwork again in motion, the opera-
tion being repeated so that the next tooth or projection releases or opens the
corresponding door or valve of the carbide holder.
Instead of the carbide supplying apparatus as described the mechanism form-
ing the object of this application may also be used for actuating carbide supply-
ing mechanism or holders, of other constructions. For instance, instead of
actuating by means of the clockwork a door or valve, it would be possible to
neriodically actuate a drum revolvable around a vertical axis. This drum may
be provided, for instance, with separate cells charged with carbide so arranged
that at every part movement one of the cells is emptied into the acetylene
gas generator.
1000
BOULT & WADE,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in or relating to Apparatus for Use in the Production of
Acetylene Gas.
I, CARL SCHRÖDER, Brewer, Arendsee, Altmark, in the Empire of Germany,
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 present invention relates to a new apparatus for use in the production
of acetylene gas.

page_text: 111
VI UITY
carbide is effected by releasing a charge at intervals by clockwork which is con-
trolled by the sinking of the gasometer bell. In the accompanying drawing a
construction of the apparatus is represented in three figures;
Figure 1 being a top view, and
Figure 2 a section on the line A-B, through the clockwork.
Figure 3 a side view of the apparatus.
A clockwork mechanism a of ordinary construction is employed with a device
for stopping it intermittently. The latter consists of a lever g pivotted on a pin,
on, say, the clock casing. The outer end of this lever carries at its extremity
a horizontal plate or the like. Pivotted at ¹ to the lever g at its other end is
a second lever which presses with one of its ends against a boss or projec-
tion on the main lever g, while its other end projects and is in contact
with a pin and presses it up whenever the plate i at the end of the main lever
is pressed down.
This pin is carried on a lever m firmly connected to a shaft m¹ passing
through the case of the clockwork. This shaft actuates, by means of an arm n.
or the like fixed on it, a lever f arranged in the interior of the clockwork and
pivotted on another shaft 7, which lever f stops, when at rest one of the
clockwork wheels by engaging a pin gl secured to it. The working of the
clockwork a, therefore, is controlled by this lever. If the plate i is pressed down,
the pivotted lever will press the pin 7 of the lever m upward turning the
shaft m' and with it the rod or arm n carried thereon. In so doing the arm n
strikes against, a pin o on the lever f and raises it in such manner that the
pin g of the driving wheel is set free and the clockwork moves The pivotted
lever presses against the pin 7 of the lever m until they separate, the pin
pressing under the point of the lever k.
In order to obtain a certain limited movement of rotation, independent of the
main lever g, i.e. independent as to whether the latter is pressed down during
a longer or shorter time the shaft g of a driving wheel s which gears with a
pinion h¹ driving the wheel h, of the clockwork mechanism is provided with a
cam on which the controlling lever f slides. The cam is provided with a
triangular recess or notch into which the correspondingly shaped end of the
controlling lever f falls. By means of such an arrangement the controlling
lever f will always stop the clockwork after one revolution of the driving wheel s.
The pinion of the driving wheels engages with a chain or spring wheel c¹ on
a shaft c, such an arrangement producing the effect that this shaft c will always
turn a certain extent according to the ratio between the number of teeth on
the pinion to that of the wheel.
The shaft of the spring or chain-driving wheel c¹ is prolonged towards
the outside and connected with a cylinder e. This cylinder is provided with
teeth or projections tt, arranged round the cylinder in a spiral, their number
corresponding to the ratio between the number of partial rotations of the chain
driving wheel to that of the whole circumference. In the accompanying draw-
ing six such teeth or projections are provided (see Figure 3). These teeth
actuate in their rotation pivotted levers or rods which normally engage with
the doors or valves on the under side of the carbide holders arranged over a
water container. These holders consist in the construction described in the
present case of a number of boxes or compartments side by side which are
closed at the bottom by hinged doors or valves.
These compartments are charged with carbide, which falls down as the valves
are opened.
In the present case the number of carbide boxes corresponds with that of
the projection t. The working of the apparatus is as follows:-
The gasometer bell is provided on the top with a rod w which at its upper
end is bent round or at right angles. This end is provided with a weight y
hanging on a wire, the said wire and weight being adjustable on the rod w, the

page_text: wire preferably being provided at its upper end with an adjusting screw by
means of which the weight may be regulated as regards height.
912
When the gasometer bell descends the weight y comes in contact with and
presses down the plate i, which presses the outer arm of the main lever à down
and raises the other end of the lever pivotted to it, in consequence of which
the clockwork is released and set in motion whereby the shaft c with its cylinder e
is rotated. The cylinder e revolves according to the stopping device already
described to such an extent that one of the teeth or projections releases one
of the levers or catchers . By this means a door or valve of the carbide
receptacle is operated, and a supply of carbide falls into the water, and, as a
consequence gas is produced and the gasometer bell again rises. The main
lever g is returned to its position of rest by means of a weight z whereupon its
pivotted leverk slides past the pin 7 until it again comes underneath it. The
weight hangs on a cord, passing over a roller 2, the other end of the cord
being fastened to the main lever g. In proportion as the gasometer is emptied
the bell sinks and the weight y carried by the rod again descends and presses
on the plate i, setting the clockwork again in motion, the operation being thus
repeated and the next tooth or projection releases or opens the corresponding
door or valve of the carbide holder.
Instead of the carbide supplying apparatus as represented in the drawing, the
mechanism forming the object of this application may also be used for actuating
carbide supply mechanisms or holders of other constructions. For instance,
instead of actuating by means of the clockwork a door or valve, it would be
possible to periodically actuate a drum revoluble around a vertical axis. This
drum may be provided, for instance, with separate cells charged with carbide
so arranged that at every part movement one of the cells is emptied into the
acetylene gas generator.
Having now particularly described and ascertained the nature of 'the said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
:-
:
1. An automatic feeding device for acetylene gas generators, characterized by
the arrangement of a clockwork mechanism which is periodically set into
motion through the descent of the gasometer bell in such a manner that a dis-
charge of carbide from a series of carbide holders is effected at each operation,
substantially as described.
2. In apparatus of the kind described a weight as y, or the like connected
with the gasometer bell adapted to act on a pivotted lever when the bell descends,
'said lever releasing the clockwork mechanism when it is depressed in order to
produce a partial revolution of the shaft regulating the discharge of carbide,
substantially as described.
3. The complete apparatus for regulating and effecting the discharge of carbide
in acetylene gas generators substantially as described or illustrated in the
accompanying drawings.
Dated this 23rd day of February 1900.
BOULT, WADE. & KILBURN,
Agents for the Applicant.