IMPROVEMENTS IN THE CONSTRUCTION OF DOMESTIC STOVES AND GRATES
Year: 1884

page_text: I, HENRY THOMPSON, of Marquess Road, Canonbury, in the County of
Middlesex, Builder, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN THE CONSTRUCTION OF DOMESTIC STOVES AND GRATES," to
be as follows:-
"
This Invention consists of improvements in domestic stoves or grates for the
construction of which Letters Patcut, dated 14th February 1883, N° 812., were
granted to me the object of such improvements being the more complete combustion
of the gases and smoke evolved from the fuel within the chamber at the back of
the stove or grate. This invention is hereinafter described with reference to the
specification filed in pursuance of the conditions of the said Letters Patent.
In order to allow of the proper combustion of the gases and smoke evolved by
the fuel contained within the chamber at the back of the stove or grate the hinged
upper portion of the back of the chamber is perforated such perforations serving
to conduct the gases and smoke to perforations leading to a channel or channels
which passes or pass at the rear of the chamber and opens or open at a point below
the firo bars, when, the space between the front of the said fire bars and the
hearth being closed, such gases and smoke will be drawn into the fire and there
consumed.
Dated this first day of January in the year of our Lord One thousand eight

page_text: I, HENRY THOMPSON, of Marquess Road, Canonbury, in the County of
Middlesex, Builder, do hereby declare the nature of my invention for "IMPROVE-
MENTS IN THE CONSTRUCTION OF DOMESTIC STOVES AND GRATES," and in what
manner the same is to be performed to be particularly described and ascertained
in and by the following statement:—
My said Invention consists of improvements in domestic stoves and grates for
the construction of which Letters Patent, dated 14th February 1883, N° 812, were
granted to me, the object of the said improvements being to effect the more
complete combustion of the gases and smoke evolved from the fuel within the
chamber at the back of the stove or grate. The nature of the improvements
constituting the invention hereinafter described will be clearly understood from the
following description and by reference to the specification filed in pursuance of the
conditions of the said Letters Patent.
In order to effect the combustion of the gases and smoke evolved by the fuel
contained within the chamber at the back of the stove or grate the lower face of
the hinged upper portion of the back of the said chamber is perforated or the
said hinged portion of the back of the chamber is so formed that when the said
hinged portion is closed the gases and smoke can pass freely from the chamber to
perforations or apertures leading to a channel or channels behind the rear of the
before mentioned chamber. The said channel or channels extend down the back
of the chamber to below the fire bars at which point they open into the ash pit so
that the gases and smoke are drawn down the same and then up through the fire
bars into the burning fuel where they are more or less consumed. The space
between the front of the said fire bars and the hearth is, in some cases, closed or
partially closed.
I will now proceed to refer to the accompanying drawings from which the nature
of my said Invention will be more clearly understood. Figure 1. is a front view
of a stove constructed in accordance with this invention, and Figure 2. is a vertical
section of the same through the line X. Y. The same letters of reference indicate
like parts in both the Figures. A. is the front of the stove, B. are the front bars
of the same, and C. is the bottom. The pivoted back of the stove is shown at D.
and the weighted prolongation thereof at D¹., the said back D. is, by preference,
perforated as shown. E. is the chamber at the back of the stove or grate, E. is
the back thereof, which is, in some cases, perforated to allow of the passage of any
gases and smoke to the channel or channels hereinbefore referred to, and e. is the
hinged projecting portion of the said back E. In Figure 2. the back of the stove
is shown in a horizontal position, and the projecting portion c. of the back E. of
the chamber E. is shown open, the reverse position of these parts being shown in
dotted lines. The channel at the back of the chamber E. is shown at F. and the
gases which enter the same from the chamber E. at the point f. or through the
perforations in the back E¹. escape into the ash pit at the lower end f1, of
the said channel, G. is a plate for closing or partially closing the space between the
front of the fire bars and the hearth. H. is a small bar or plate which is, in some
cases, arranged to project below the hinge of the upper part c. of the back of the
chamber E. in order to assist in preventing the escape of smoke and gases below
the said hinge.
In order to supply fuel to the chamber E. the hinged projecting portion c. of the
said chamber is opened and the back D. is brought into a more or less horizontal

page_text: position as shown in Figure 2. the fuel is then placed within the chamber and the
hinged portion is closed. The fuel is brought forward into the fire, in the body of
the stove or grate, as required, by the rising of the back D. which is facilitated by
the action of the weighted prolongation D¹, or other means.
Although this invention is illustrated in the accompanying drawings applied to
an open grate or stove the method of applying it to other forms of grates or stoves,
such as closed kitchen ranges, is substantially the same and will be well under-
stood by persons conversant with the construction of grates and stoves.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed I declare that what
I claim is :-
In the construction of grates and stoves of the nature herein before referred to
the arrangement of the channel or channels F. for conducting the gases and smoke
from the chamber E. to the ash pit, the space between the front bars and the
hearth being in some cases, closed or partially closed, substantially as and for the
purposes herein before described and set forth."
Dated this twenty seventh day of September One thousand eight hundred and