IM- PROVEMENTS IN THE CONSTRUCTION OF GAS BURNERS." PROVEMENTS IN THE CONSTRUCTION OF GAS BURNERS
Year: 1868

page_text: LETTERS PATENT to Julius Brönner, of Frankfort-on-the-Maine, in
the Kingdom of Prussia, Manufacturer, for the Invention of "IM-
PROVEMENTS IN THE CONSTRUCTION OF GAS BURNERS."
PROVEMENTS IN THE CONSTRUCTION OF GAS BURNERS."
Sealed the 18th September 1868, and dated the 23rd March 1868.
PROVISIONAL SPECIFICATION left by the said Julius Brönner at
the Office of the Commissioners of Patents, with his Petition, on
the 23rd March 1868.
I, JULIUS BRÖNNER, of Frankfort-on-the-Maine, in the Kingdom of
Prussia, Manufacturer, do hereby declare the nature of the said Inven-
tion for "IMPROVEMENTS IN THE CONSTRUCTION OF GAS BORNERS," to be as
follows:-
Having occupied myself for many years with the manufacture of gas
burners of improved construction, and after having succeeded in
effecting various improvements, relating partly to the more profitable
consumption of the gas partly to the prevention of faults which apper-

page_text: tained to the gas burners formerly known and used, and in respect of
which improvements several Letters Patent have been granted to me,
I have recently succeeded in making a gas burner. The construction,
advantages, utility, as well as its application to compound economic
burners (double burners) I will now proceed to explain.
The upper part of the burner, in other words, the-burner head in which
is the opening for the jet or flame, is so formed that the outside is
concave or funnel-shaped, whilst the inside may be convex, concave,
*conical, funnel-shaped, or flat. In this upper part of the burner there
is made a slit the length and breadth of which is regulated by the
consumption which is to be given to the burner. The effect of this is
that the gas flows from both ends of this slit towards the middle, both
*streams consequently meet in the centre and flatten, thereby producing
a flame standing at right angle to the slit contrary to the slit burners
hitherto used, in which the gas flowing out in every direction given to
the shit-forms a flame burning in the shape thereof.
The effect above described is obtained by the application of a slit in
'the hollowed or sunken burner head, and whether the chamber or body
be made more or less deep, or whether the slit be of greater or lesser.
depth with either horizontal or vertical sides, is of no special importance,
neither does the material of which the burner is made in any way
influence the result, and the whole effect produced by such modifications
consists in inappreciable disfigurations of the flame which will become
more pointed, broader, more regular, or more irregular.
I purpose
therefore expressly to reserve to myself all these variations in the con-
struction as well as the choice of the material, be it "speckstein," clay,
porcelain, brass, iron, or any other substance.
The utility of this construction is, that it unites the advantages of the
ordinary two-hole fish-tail and of the slit bats-wing burner while
avoiding their faults, namely:-
1. The new fish-tail slit burner produces the beautiful shape of jet or
flame of the hole burner whilst the long points of the ordinary slit
burner jets disappear, consequently it becomes possible to make use
of a glass globe or other apparatus for protecting the flame.
2. It prevents the hissing or singing of the flame which takes place in
hole burners under increasing pressure.
3. Like ordinary slit burners it is not exposed to the stopping up

page_text: of the burner holes by the impuritеs. of the gas as is the case with
hole burners..
The application of this new construction to single (not compound)
burners explains itself; in compound ones (double or economic burners)
it is applied by employing the single fish-tail slit burner as under burner
by using a large fish-tail slit burner as head, or by setting the head of a
fish-tail slit burner on or in the body of the economic burner.
Part I. of the accompanying Sheet of Drawing forming part of my
Provisional Specification illustrates the single fish-tail slit burner.
a
indicates in Figs. 1 to 10 the upper part, in other words, the
head of the burner through which the gas flows out and is consumed;
b is the hollow body or shell of the burner.
In Figs. 1 to 10, b is always the same. The length and breadth of this
body varies at pleasure, and according to the diameter of the gas pipe;
the outer form is of course of no importance; a, however, varies in all
the Figures. I give the preference to the shape shewn, Fig. 1, but I
however likewise propose specially to reserve to myself the exclusive
right of manufacturing the other constructions..
In Fig. 1, a is on the outside concave, on the inside convex; Fig. 2,
a is on the outside concave, on the inside concave; Fig. 3, a is on the
outside concave, on the inside conical; Fig. 4, a is on the outside
concave, on the inside flat; Fig. 5, a is on the outside concave, on the
inside funnel-shaped; Fig. 6, a is on the outside funnel-shaped, and
inside convex; Fig. 7, a is on the outside funnel-shaped, and inside
concave; Fig. 8, a is on the outside funnel-shaped, and inside conical;
Fig. 9, a is on the outside funnel-shaped, and inside flat; Fig. 10, a is on
the outside funnel-shaped, and inside funnel-shaped.
Part II. shews. the application of the fish-tail slit burner as double
burner, respectively as insertion and as head. to such, for instance, to
Brönner's patent burner..
Fig. I is a double burner consisting of a fish-tail slit burner b upon
which a second. fish-tail slit burner a of larger dimensions is fitted; ;
Fig. 2 is one of the same description with the exception that the
burner is fitted upside down in the burner a.
Fig. 3 shews the application of the fish-tail slit burner to a Brönner's
patent burner. a is a large fish-tail slit burner as head; 6 is the actual
body of the burner; c is the head of a fish-tail slit burner employed as

page_text: insertion in the under burner of a Brönner's burner. I reserve to myself
the putting of this inserted piece on the top, at the bottom, or in the
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Julius Brönner in the Great Seal Patent Office on
the 19th September 1868.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JULIUS
BRÖNNER, of Frankfort-on-the-Maine, in the Kingdom of Prussia, Manu-
facturer, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-third day of March, in the year
of our Lord One thousand eight hundred and sixty-eight, in the thirty-
first year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto me, the said Julius Brönner, Her special licence
that I, the said Julius Brönner, my executors, administrators, and
assigns, or such others as I, the said Julius Brönner, my executors,
administrators, and assigns, should at any time agree with, and no
others, from time to time and at all times thereafter during the term
therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the
Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN
THE CONSTRUCTION OF GAS BURNERS," upon the condition (amongst others)
that I, the said Julius Brönner, my executors or administrators, by an
instrument in writing under my, or their, or one of their hands and
seals, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and
cause the same to be filed in the Great Seal Patent Office within six
calendar months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE, that I, the said Julius Brönner, do hereby declare
the nature of my said Invention, and in what manner the same is to
be performed, to be particularly described and ascertained in and by
the following statement, reference being had to the accompanying
Sheet of Drawing forming part of this my Specification, and to the
figures and letters of reference marked thereon:-

page_text: The nature of my Invention consists partly in providing for the more
profitable consumption of gas and partly in the prevention of faults
appertaining both to ordinary gas burners and to those previously
invented by myself.
I will now proceed to describe the construction, advantages, and utility
of my improvements in their application to simple burners, and also to
compound economic burners otherwise double burners.
I construct the upper part of the gas burner, in other words, the
burner head in which is the opening for the jet or flame, so that the
outside is concave or funnel-shaped, whilst the inside may be convex,
concave, conical, funnel-shaped, or flat. In this upper part of the
burner I make a slit, the length and breadth of which is regulated by
the consumption which is to be given to the burner. The effect of this
is that the gas flows from both ends of this slit towards the middle, both
streams consequently meet in the centre and flatten, thereby producing
a flame standing at right angle to the slit, contrary to the effect produced
in the slit burners hitherto used, in which the gas flowing out in every
direction given to the slit forms a flame burning in the shape of such
slit.
The effect above described is obtained by the application of a slit in
the hollowed or sunken burner head, and whether the chamber or body
be made more or less deep, or whether the slit be of greater or lesser
depth with cither horizontal or vertical sides, is of no great importance,
neither does the material of which the burner is made in any way
influence the result, and the whole effect produced by such modifications
consists in inappreciable disfigurations of the flame which will become
more pointed, broader, more regular, or more irregular. I therefore
expressly reserve to myself all these variations in the construction as
well as the choice of the material, be it "speckstein," clay, or steatite,
porcelain, brass, iron, or any other substance. The burners illustrated
on the Drawing are colored to represent steatite or a combination of
steatite and brass.
The utility of this construction is, that while avoiding the faults of
the ordinary two-hole fish-tail and of the slit bats-wing burner, it unites
all their advantages, viz. :-
1. This new fish-tail slit burner produces the beautiful jet or flame
of the hole burner, whilst the long points of the ordinary slit burner jets

page_text: disappear, consequently it becomes possible to make use of a glass globe
or other apparatus for protecting the flame.
2. It prevents the hissing or singing of the flame which takes place in
hole burners under increasing pressure.
3. It resembles ordinary slit burners in not being exposed to the
choking of the burning aperture by the impurities of the gas as is the
case with hole burners.
The application of this new construction to single (not compound).
burners explains itself; in compound ones (double or economic
burners) it is applied by employing the single fish-tail slit burner as
under burner, by using a large fish-tail slit burner as head, or by setting
the head of a fish-tail slit burner on or in the body of the economic
burner.
Part I. illustrates single fish-tail slit burners made according to my
Invention.
a (Figs. 1 to 10) indicates the upper part, in other words, the head of
the burner through which the gas flows out to be consumed; b, the
hollow body or shell of the burner.
In Figs. 1 to 10, b is always the same. The length and breadth of this
body varies at pleasure and according to the diameter of the gas pipe;
the outer form is of course of no importance; a, however varies in all
the Figures. I give the preference to the shape shewn, Fig. 1, but I
however likewise specially reserve to myself the exclusive right of
manufacturing the other constructions.
In Fig. 1, a is on the outside concave, on the inside convex; in Fig. 2,
a is on the outside concave, on the inside concave; in Fig. 3, a is on the
outside concave, on the inside conical; in Fig. 4, a is on the outside
concave, on the inside flat; in Fig. 5, a is on the outside concave, on the
inside funnel-shaped; in Fig. 6, a is on the outside funnel-shaped, and
inside convex; in Fig. 7, a is on the outside funnel-shaped, and inside
concave; in Fig. 8, a is on the outside funnel-shaped, and inside conical;
in Fig. 9, a is on the outside funnel-shaped, and inside flat; and in
Fig. 10, a is on the outside funnel-shaped, and inside also funnel-shaped.
Fig. 11 is a plan view of a burner made according to my Invention; a

page_text: and rig. 12, a section or one or my improved burners mado partly.or
steatite and partly of brass.
All these Figures are drawn somewhat exceeding ordinary size, with
the exception of Fig. 12 which is drawn usual size, and some of the
burners are shewn screw-threaded for fixing in the gas pipe, whilst others
are plain for luting in as may be preferred.
Part II. shews the application of my fish-tail slit burner as double
burner, both as insertion and as head to such; for instance, to the
burner hitherto known as "Brönner's."
Fig. 1 is a double burner consisting of a fish-tail slit burner 6, upon
which a second fish-tail slit burner a of larger dimensions is fitted, being
either luted or screwed together as may be preferred, and this also applies
to Fig. 2, which is one of the same description, with the exception that
the burner 6 is fitted upside down in the burner a.
Fig. 3 shews the application of my fish-tail slit burner to a
"Brönner's" burner. a is a large fish-tail slit burner as head; is the
actual body of the burner; and c, the head of a fish-tail slit burner
employed as insertion in the under part of a "Brönner's" burner. I
reserve to myself the putting of this inserted piece on the top, at the
bottom, or in the middle, and to place the concave side upward or
downward.
The sections, Figs. 1, 2, and 3, are drawn somewhat exceeding ordinary
size.
Fig. 4 shews in elevation and drawn to ordinary size another appli-
cation of a fish-tail slit insertion to a "Brönner's" double burner. c is
the small fish-tail slit insertion by which the gas enters into the burner;
6 is the body of the burner a, an ordinary burner head by which the gas
issues, and in lieu of which may be substituted a fish-tail slit burner as
at Fig. 3 if desired; d is a screw-thread for screwing on to the burner
itself the triangle supporting the globe, which is consequently always in
proper juxtaposition to the flame. The advantage of the fish-tail slit
insertion is that the double burner to which it is applied will never be
choked by the impurities of badly purified gas as happens in double
burners of other construction.
Having now described the nature of my said Invention, and in what
manner the same is performed, I desire it to be understood that I
claim.
:

page_text: Firstly. The exclusive use of a slit as aperture to a gas burner, the top
exterior surface of the head of which is concave or funnel-shaped,
substantially as and for the purposes set forth.
Secondly. The combination of two gas burners thus made, in other
words, of two fish-tail slit burners to form a compound economic or
double burner, or of one such fish-tail slit burner with an ordinary
burner, substantially as described.
Thirdly. The use of the fish-tail slit burner head or insertion c, con-
structed and applied substantially as herein set forth.
In witness whereof, I, the said Julius Brönner, have hereunto set my
hand and seal, this Eleventh day of September, in the year of
our Lord One thousand eight hundred and sixty-eight.