Improvements in Electric Igniting Devices for Gas Burners.
Year: 1896

page_text: Date of Application, 2nd Apr., 1896
Complete Specification Left, 26th Oct., 1896-Accepted, 23th Nov., 1896
PROVISIONAL SPECIFICATION.
Improvements in Electric Igniting Devices for Gas Burners.
I, GOTTFRIED FERDINAND KRIEGER, of 68 Annenstrasse in the City of
Kiel, in the Empire of Germany, Mechanician, do hereby declare the nature of
this invention to be as follows:-
This invention relates to improved electric igniting devices for gas burners,
especially those of the incandescent type. The said device is characterized by a
particular arrangement of contacts, and by the fact that it can be manufactured
separately in the work shop and can be applied to burners of various kinds and
sizes, without necessitating any constructional modification of the burners them-
selves, provided that the burners possess the small auxiliary igniting tube already
existing in many burners. Moreover all of the more delicate parts of the device
are remote from the igniting flame.
To a bracket carried by the burner a two-armed lever is pivoted; into the top
extremity of this lever a small steel pin is screwed, and into the tubular lower
extremity a sliding pin or plunger is inserted, the outer extremity of which pin or
plunger engages with an arm arranged on the axis of the plug of the gas cock:
Further a spring insulated from the burner and extending in the direction of the
aforesaid lever is fixed to a plate on the bracket aforesaid; this plate is by means
of screws connected to one pole of a source of electricity, whose other pole is
connected to the metallic gas burner which is inserted in the circuit.
The before described parts cau, as above mentioned, be made separately. The
bracket is placed around the burner tube, the arm is fixed upon the axis of the
plug of the cock and the sliding pin or plunger is connected to the said arm on
the one hand and is inserted in the tubular extremity of the lever on the other
hand. The constituent parts are so mounted together relatively to each other, to
the plug of the cock, and to the igniting tube which latter is located in an opening
of the bracket, that the pin at the upper end of the lever, while the cock is being
opened and the lever thus turned around its axis, engages or comes in contact with
the upper extremity of the spring and carries it over the orifice of the igniting
tube by bending the spring. Gas then flows into the igniting tube and to the
burner, and the pin of the lever then releases the spring by sliding over the
extremity of the spring which then moves back rapidly and breaks the circuit
which was closed by the contact, of the lever pin with the spring. This circuit
includes an electro-magnet. The electric spark produced above the igniting tube
ignites the gas leaving the said tube, and the small flame thus produced then
instantly ignites the gas discharged from the burner and is subsequently
extinguished since by the further opening movement of the cock the further supply
of gas to the igniting tube is cut off. The spring never comes in contact with the
igniting flame and consequently wears but very little.
When the cock is turned back to its closing position the pin of the lever comes
in contact with the extremity of the spring on the other side and bends the spring.
in the opposite direction. The said pin during this operation slides upon the
spring in a downward direction until it comes opposite a notch in the spring, where-
upon the latter being thus liberated returns to its normal position and the contact
making piu is thus brought back to the other side of the spring.

page_text: The oscillating movement of the lever is produced by the small sliding pin or
plunger, the lower extremity of which is moved by the arm of the rotating plug of
the cock, while the said sliding pin or piston is caused to slide to and fro in the
tubular extremity of the lever. The employment of this link between the plug
of the gas cock and the lever and the use of the bracket allow of an easy
adaptation of the device to burners with various lengths of cock, since the bracket
can be fastened at a variable height on the burner.
The above described igniting device is applicable to gas burners, in which the
longitudinal axis of the casing of the cock lies in a straight line with the axis of
the burner as well as to such burners, in which these axes are at right angles to
one another.
Dated this 2nd day of April 1896.
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.
I, GOTTFRIED FERDINAND KRIEGER, in the City of Kiel, in the Empire of
Germany, Mechanician, 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 relates to an improved electric igniting device for gas burners,
especially those of the incandescent type. The said device is characterized by a
particular arrangement of contacts and by the fact that it can be manufactured
separately in the work shop and can be applied to burners of various kinds and
sizes, without necessitating any constructional modification of the burners
themselves, provided that the burners possess the small auxiliary igniting tube
already existing in many burners. Moreover all of the more delicate parts of the
device are remote from the igniting flame. The object of my invention is to
procure a simple cheap and reliable igniting device.
In the accompanying drawing I have shown how my invention may be
conveniently and advantageously carried into practice.
Figures 1 and 2 represent side elevations of the igniting device taken at right
angles to each other.
Figures 3 and 4 are similar views showing the different parts of the igniting
device in their operative position.
Similar letters refer to similar parts throughout the several views.
To a bracket or clip b carried by the burner tube e a two-armed lever c is
pivoted at 6'; into the top extremity of this lever a small steel pin c¹ is screwed,
and into the tubular lower extremity a sliding pin or plunger c² is inserted, the
outer extremity of which pin or plunger engages with an arm d' arranged on the
plug d of the gas cock. Further a spring f insulated from the burner tube e and
extending in the direction of the aforesaid lever c is fixed to a plate f¹ on the
bracket aforesaid; this plate f¹ is by means of screws f³ connected to one pole
of a source of electricity, whose other pole is connected to the metallic gas
burner tube e which is placed into the circuit.
The before described parts can, as above mentioned, be made separately. The
bracket bis placed around the burner tube e, the arm d¹ is fixed on the plug d of
the cock and the sliding pin or plunger is connected to the said arm d' on the
one hand and is inserted in the tubular extremity of the lever c on the other hand.
The constituent parts are so mounted together relatively to one another to the
plug of the cock, and to the igniting tube a which latter is located in an opening or

page_text: suitable slot of the bracket b, that the pin c¹ at the upper end of the lever c, while
the cock is being opened and the lever thus turned around its axis b', engages or
comes in contact with the upper extremity of the spring f and carries it over the
orifice of the igniting tube a by bending the spring f. (See Figures 3 and 4.)
Gas then flows into the igniting tube a and to the burner, and the pin c of the
lever c then releases the spring by sliding over the extremity of the spring
which then moves back rapidly and breaks the circuit which was closed by the
contact of the lever pin with the spring f. This circuit includes an electro-
magnet. The electric spark produced above the igniting tube a ignites the gas
leaving the said tube, and the small flame thus produced then instantly ignites the
gas discharged from the burner tube e and is subsequently extinguished since by the
further opening movement of the cock the further supply of gas to the igniting
tube a is cut off. The spring f never comes in contact with the igniting flame
and consequently wears but very little.
When the cock is turned back to its closing position the pin c¹ of the lever c
comes in contact with the extremity of the spring f on the other side and bends the
spring in the opposite direction. The said pin c¹ during this operation slides upon
the spring in a downward direction until it comes opposite a notch f in the
spring f, whereupon the latter being thus liberated returns to its normal position
and the contact making pin c' is thus brought back to the other side of the spring f.
The oscillating movement of the lever c is produced by the small sliding pin or
plunger c², the lower extremity of which is moved by the arm d' of the rotating
plug d of the cock, while the said sliding pin or piston c is caused to slide to and
fro in the tubular extremity of the lever c. The employment of this link c²
between the plug d of the gas cock and the lever c and the use of the bracket b
allows of an easy adaptation of the device to burners with various lengths of cock,
since the bracket b can be fastened at a variable height on the burner.
The above described igniting device is applicable to gas burners, in which the
longitudinal axis of the casing of the cock lies in a straight line with the axis of
the burner as well as to such burners in which these axes are inclined to one
another.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
clain is :-
1. An electric igniting attachment for gas burners consisting essentially of a
clip or strap adapted to be secured to the burner, a spring and a two armed rock
lever, respectively secured to and pivoted on said strap, one of the arms of said lever
provided with a suitable contact adapted to impinge upon the spring and flex the
same and having its other arm telescopically constructed and adapted for connection
with the plug of a gas cock, substantially as and for the purpose set forth.
2. An electric igniting attachment for gas burners consisting essentially of a clip
or strap adapted to be secured to the burner, a spring provided at its free end with a
recess or cut away portion and a two armed rock lever respectively secured to and
pivoted on said strap one of the arms of said lever provided with a suitable contact
adapted to inipinge upon the spring and flex the same and having its other arm
telescopically constructed and adapted for connection with the plug of a gas cock
substantially as and for the purpose set forth.
Dated this 26th den of Untahan 1006
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.