Improvements in or relating to Gas and Oil Stoves, applicable for Heating and Ventilating Purposes.
Year: 1895

page_text: Date of Application, 11th Oct., 1895-Accepted, 28th Dec., 1805
COMPLETE SPECIFICATION.
Improvements in or relating to Gas and Oil Stoves, applicable for
Heating and Ventilating Purposes.
I, GEORGE FREDERICK BOWMAN, of 9 Park Place, Leeds, in the County of
York. Architect, 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 :—-
This inventin relates to improvements in gas and oil stoves. Its object is to
provide a simple and readily applied stove whilst being ornamental may be readily
employed for aiding the introduction of fresh air and withdrawing the vitiated air
and gases from a room, hall, or like or other apartment, all of which are hereafter
termed and included in the term "apartment," by means of separate and distinct
passages arranged one within the other so as to permit of the passage for the
vitiated air and gases being employed for warming the fresh air as it passes through
the other passage without there being any liability of a communication established
between the two passages.
Stoves constructed according to this invention do not burn the air over and over
again but they are so arranged as to cause the air in the apartment to be renewed
or replaced with warm fresh air in winter, whilst the stove in summer, when the
herein after described gas jet or oil lamp is dispensed with, forms a cool fresh air
inlet.
According to this invention within a suitable plain or ornamental casing of any
desired shape or contour is provide 1 a
inlinction er fl Leni CO
what in the shape of a syphon. One orifice of the syphon like combustion chamber
communicates with the interior of the apartment through a perforated door or
grating, whilst the other end of the syphon like combustion chamber may pass
through the wall so that its orifice will communicate with the outer atmosphere;
or it may communicate with any convenient Aue in which case it need not be
arranged to pass through the boundary wall of the apartment at all.
A suitable Bunsen or other gas burner or oil lamp may be placed in the syphon
like combustion chamber for not only aiding in the withdrawal of the vitiated air
but also for heating the fresh air as it enters into and up the casing. The fresh
air is admitted to the casing through say a suitable opening in the outer wall as
shown in the drawings, or the casing may be connected at its side or bottom with
any convenient flue having a direct or indirect communication with the outer air;
aid opening nay or may not be provided with a grating and a screen.
A regu-
ating grate may also be provided in the casing for controlling the admission of the
resh air to the apartment.
In the drawings hereunto annexed I have shown a simple and convenient method
of carrying my invention into practice, in which,
Fig. 1 is a front elevation;
Fig. 2 a sectional elevation on line te te Fig. 1 ;
Fig. 3 a transverse section on line.
Fig. 2, and
Fig. 4 a ansverse section on line y y Fig. 2.
A is the boundary or outer wall of the apartment and B the floor. In the
vall A is cut or otherwise formed an opening for the admission of fresh air and
ercafter ternied the fresh air inlet C. The fresh air inlet C may be at a suitable
istance from the floor 13 and of any desired and convenient shape and area.
resh air inlet C may or may not be provided with an ordinary iron or other
rating D at its outer crifice, whilst its inner crifice, or at a convenient distance
The

page_text: therefrom but within the opening, may be provided with a frame on which i4
stretched fibrous or other filtering material to form a screen E through which the
fresh air is passed for the removal of soet and like impurities. Instead of having
a direct connection with the outer air as shown, the casing may be connected a
previously described with any suitable flue having a direct or indirect communi- !
cation with the outside.
Fa casing which is placed within the apartment and in communication
with the fresh air inlet C. The casing may be made of any desired shape and
for instance, earthenware,
contour, and of any suitable material, such as
talence, porcelain, metal, or the like, and it may be either rigidly plain, or
ornamented recording to taste. In the drawing I have shown an ornamental
casing such as could be made of carthenware,
At the top of the easing F is a re gulating slide or grating G for controlling the
size of the opening or aperture through which the fresh air enters the apartment.
Within the casing is fixed a combustion chamber which is bent somewhat
in the rm of a syphon. In the drawings the combustion chamber is shown
provided with a vitiated air orifice H covered by say a perforated ornamentel
or other door or grating H, and its syphon portion is shown made of two
diameters H 11. The smallest portion 11 is shown bent downwards, then at
and afterwards turned
a right angle to pass through the fresh air inlet (
upwards. The orifice of the upturned end being shown in the drawings
covered by a cowl or cover 1 to form an exhaust exit and foul air outlet, which
If desired,
is arranged at a suitable distance above the fresh air inlet.
and it is found more convenient for fixing purposes, the reduced portion 11 of
the combustion chamber may be carried below the floor is before it is turned at
a right angle for pussing through the wall A, as shown in dotted lines at Fig. 2;
or it more convenient it may be connected as previously described, with a suitable
fine, not shewn in drawings, in which case it need not pass to the outside at all, undl
the ew could then he dispensed with.
Jis a Buusen or other gas burner which may be connected to a gas supply
pie K. The burner is arranged in mediately under the enlarged portion of
the comml ustion chamber and it is employed for the double purpose of first creating
a draught or current in the tubes HP for drawing the vitiated air out of the
apartment through perforated door and passing it to the outer air through
cowl, and second, for heating the said tubes H³ H³ whereby the fresh air is
drawn through inlet C into the casing Faud as it passes over the exterior of the
said tul es it may be warmed prior to entering the apartment through regulating
grating or grid G. In places where gas is not available, or when preferred, an oil
tamp may be substituted for the gas burner J.
By the means described it will he readily seen that the air in the apartment is
not bunt over and over again but is constantly being renewed with warin fresh air
in winter er cool fresh air in summer when the gas burner or oil lamp is not in use,
and the fresh and vitinted airs are kept constantly separated whilst passing through
the stove.
The fresh air on its admission to the casing, and during its passage to the
apartment, passes over the exterior of the combustion chamber through which the
vitiated air end gases are withdrawn, and in winter is heated thereby.
I would have understood that the shape and contour of both the casing F
and the parts forming the combustion chamber may be varied and altered as
circumstances require; also that one, two, or more of the said stoves may be used in
an apartment, and when more than one is employed then they may be placed in
different positions.
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
claim is :-
ntilating warnoses having

page_text: separate passages for the admission of fresh air, and for the extraction of the foul
and vitiated air and gases, arranged within each other, each of which said passages
is in communication respectively with the apartment and directly or indirectly with
the outer air but not with each other, said exhaust passage being also employed for
warming the fresh air as it passes to the apartment, all substantially as set forth
and illustrated.
2. In a gas or oil stove having separate passages arranged one within the other,
for the admission of fresh air, and the extraction of foul air and gases, substantially
as herein described the combination of the casing F provided with the doors or
gratings G and H and in communication with a fresh air inlet C having a screen E
arranged therein, with a syphon like combustion chamber arranged within the said
casing F to form an exhaust passage by which the foul air and gases are conveyed
from the apartment to the outer air, and a gas burner or oil lamp for extracting
and warming purposes substantially as herein set forth and illustrated.
Dated this Tenth day of October 1895.
GEORGE FREDK. BOWMAN.