Improved Cooking Stove.
Year: 1893

page_text: Date of Application, 6th Feb., 1893
Complete Specification Left, 12th Oct., 1893-Accepted, 20th Jan., 1894
Improved Cooking Stove.
A communication by MAXIMILIAN GALLEY, of Hanover, in the Empire of
Germany, Engineer.
I, WILLIAM PHILLIPS Thompson, F.C.S., M.I.M.E., of the Agency for
Foreign Patent Solicitors, 6 Lord Street, Liverpool, and 6, Bank Street,
Manchester, both in the County of Lancaster, and 323 High Holborn, in the
County of Middlesex, Civil Engineer do hereby declare the nature of this
invention to be as follows:-
This invention has for its object to do away with the necessity of rotating meat
which is intended to be roasted over the flame or other source of heat by causing
a current of heated air to flow round the meat. The hot air current then imparts
its heat to the meat by direct contact, and, by the heating of the walls of the
roasting chamber surrounding the meat, heat is radiated on to the same.
Devices for supplying heated air have already been employed, by means of
which heated air is conveyed to the meat to be roasted, and the radiation (during
the roasting) of sheets of metal has also been utilised, but this has never been
done with a view and in a manner to render unnecessary the turning of the
meat.
The invention consists, further, in the means for producing the circular move-
ment of the air and the radiation, and, at the same time, to produce a convenient
accessible apparatus which allows of the meat being basted with fat.
This is achieved on the one hand by the position of the burner as regards the
fresh air supply, and, on the other hand, by the peculiar mode of carrying off the
gases.
In the accompanying drawings:
Figure 1 is a perspective view, and
Figure 2 a vertical section of the improved cooking stove.
The air is introduced by L to the flame of the burner, which is arranged at one
side beneath the grate, and receives there (owing to its becoming heated and
mixed with the heated products of the combustion of the gas) an upward motion.
It then passes round the substance to be roasted in the direction of the arrows, Figure 2,
whilst, on the other side, the cooler gases, standing at a lower level, are drawn off
at A beneath the grate by means of a kind of chimney, and there may be adapted
to this side of the stove any suitable device by which the gases may be conveyed
into the house chimney. The rotation of the air is due to its being caused to rise
on the one hand, and to its being drawn off on the other. A whirlwind motion
also takes place under the grate, which the proportions of the heavier cold air
and of the warmer lighter air assist. The apparatus has, finally, its cover made
of double metallic material between which asbestos is inserted. As the hot gases
take their course along the metal walls of the cover, the inside of which is of
semicircular section, a portion of their heat is imparted to the cover and from here
assists as radiated heat in the roasting.
A further improvement in the apparatus is the arrangement by which the front
wall of the apparatus may be dropped down, and, when the cover is turned down,
the substance to be roasted and the dripping pan are laid open, so that the ladling
from the dripping pan and the basting of the substance to be roasted may be
performed in the most convenient manner.

page_text: Instead of making the front wall to drop down, in many cases it may be
advantageous to form the rear wall as a door which can then be used for inserting
the roast meat and basting it with fat.
Dated thin 1th dor of February 1893
WM. P. THOMPSON & Co.,
Agents for the Applicant.
Improved Cooking Stove:-
A communication by MAXIMILIAN GALLEY, of No. 33, Osterstrasse, Hanover, in
the Empire of Germany, Engineer.
I, WILLIAM PHILLIPS THOMPSON F.C.S., M.I.M.E., of the Agency for
Foreign Patent Solicitors, 6 Lord Street, Liverpool and 6, Bank Street
Manchester both in the County of Lancaster and 323 High Holborn in the County
of Middlesex, Civil Engineer, 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 invention has for its object to do away with the necessity of rotating meat
which is intended to be roasted over the flame or other source of heat by causing a
current of heated air to flow round the meat. The hot air current then imparts its
heat to the meat by direct contact, and, by the heating of the walls of the roasting
chamber surrounding the meat, heat is radiated on to the same.
Devices for supplying heated air have already been employed, by means of which
heated air is conveyed to the meat to be roasted, and the radiation (during the
-roasting) of sheets of metal has also been utilised, but this has never been done with
a view and in a manner to render unnecessary the turning of the meat.
The invention consists, further, in the means for producing the circular movement
of the air and the radiation, and, at the same time, to produce a convenient
accessible apparatus which allows of the meat being basted with fat.
This is achieved on the one hand by the position of the burner as regards the
fresh air supply, and, on the other hand, by the peculiar mode of carrying off the
gases.
In the drawings accompanying the Provisional Specification :-
Figure 1 is a perspective view, and
Figure 2 a vertical section of the improved cooking stove.
The air is introduced by L to the flame of the burner, which is arranged at one
side beneath the grate, and receives there (owing to its becoming heated and mixed
with the heated products of the combustion of the gas) an upward motion. It then
passes round the substance to be roasted in the direction of the arrows, Figure 2,
whilst, on the other side, the cooler gases, standing at a lower level, are drawn off
at A beneath the grate by means of a hollow door or flue, and there may be adapted
to this side of the stove any suitable device by which the gases may be conveyed
into the house chimney. The rotation of the air is due to its being caused to rise
on the one hand, and to its being drawn off on the other. A whirlwind motion also;
takes place under the grate, which the proportions of the heavier cold air and of
the warmer lighter air assist. The apparatus has, finally, its cover made of double
metallic material between which asbestos is inserted. As the hot gases take their
course along the metal walls of the cover, the inside of which is of semicircular
section, a portion of their heat is imparted to the cover and from here assists as
radiated heat in the roasting.
A further improvement in the apparatus is the arrangement by which the front
wall of the apparatus may be dropped down, and, when the cover is turned down,
the substance to be roasted and the dripping pan are laid open, so that the ladling

page_text: from the dripping pan and the basting of the substance to be roasted may be
performed in the most convenient manner.
Instead of making the front wall to drop down, in many cases it may be
advantageons to form the rear wall as a door which can then be used for inserting
the roast meat and basting it with fat.
The drawing accompanying my Complete Specification shows the application of
the invention to ordinary fire stoves, a receptacle for fuel being substituted for the
gas burners at the fresh air inlet L.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, as communicated to me by my
foreign correspondent, I declare that what I claim is :-
1. A cooking stove or roasting apparatus in which an even supply of heat to all
sides of the meat is obtained by causing a current of hot air and heated gases to
circulate round the meat aud thereby to heat a surface which reflects the heat back
ou to the meat, substantially as described.
2. In the cooking stove or roasting apparatus described in Claim 1-
(a) The arrangement of the source of heat at the sides beneath the grate;
(b) Supplying the air to the source of heat through the wall of the chamber;
(c) The exhaustion of the gases at the opposite side of the chamber to the
source of heat;
(d) The double cover filled with asbestos for the roasting chamber which serves
for conducting the gases and reflecting the heat.
3. The arrangement of a hollow door or flue for carrying off the gases mentioned
in Claim 2 c.
4. The drop down front or side wall of the roasting chamber to allow of access
to the neat and the dripping pan.
Dated this 11th day of October 1893.
WM. P. THOMPSON & Co.,
Agents for the Applicant.