IN THERMO-VENTILATING STOVES AND PARTS CONNECTED a com-
Year: 1884

page_text: I, PETER JENSEN Fel. Inst. P. A. of 33 Chancery Lane in the County of
Middlesex do hereby declare the nature of said invention for "IMPROVEMENTS
"
THEREWITH
munication to me from abroad by Leopold Koppel of Dresden Saxony in the
German Empire Banker to be as follows:-
IN THERMO-VENTILATING STOVES AND PARTS CONNECTED
a com-
This invention refers to a construction of thermo-ventilating stove and parts
connected therewith which may be used for all kinds of rooms. The removal or
drawing off of the bad hot air is accomplished by a stove specially constructed for
this purpose, and in such manner that inside of the stove a hot air or thermo
column is produced in a central tube, which streams out into the open air above.
This central tube of the stove discharges into a flue or tube enclosing the same, in
which the air discharge pipes' discharge vitiated air from the room or rooms to be
ventilated.
The hot air going out of the central tube of the stove into the flue or tube
enclosing the same then on the principle of the induced current sucks the bad
air out of the rooms to be ventilated and carries it with it into the open air.
The gaseous products of combustion from the stove are led away by a special
flue or chimney. The admission of fresh pure air into the rooms in question is
attained by an arrangement of flues at certain places of the rooms to be ventilated
which are open directly or indirectly to the fresh air and which may be provided
inside the rooms with gauze sieves and regulating flaps.
One arrangement is such that all the rooms or several rooms one above the other
can be ventilated by a single stove. The stove is set up in a room or part of
the ground floor but it may also be arranged in the cellar without altering its
working.
A pipe is led through the centre of the stove which pipe is connected underneath
to air inlets but higher up in the building discharges into a wider tube which

page_text: encloses the before named pipe. The inner pipe is continued some distance above
the uppermost room to be ventilated whilst the outer tube passes out through the
roof into the open air. Into this latter tube several outlet tubes situated above
the stove discharge vitiated air from the rooms to be ventilated, it therefore forms
a main or collecting flue for the bad air to be led away.
The outlet tubes for the bad air and the inlet tubes for the air from the
basement to the interior central tube of the stove are at their inlet openings
provided with regulating flaps so that they may be opened more or less or even
wholly closed.
The action of the stove is as follows:-In the central inner tube the air is raised
to a moderately high temperature, which therefore rises and in streaming out into
the outer enclosing pipe sucks vitiated air out of the outlet tubes from the rooms
and leads it into the open air. Fresh air is conducted to the rooms to be ventilated
by special flues.
If the stove is placed in the cellars underneath or if these do not require to be
ventilated the central inner tube is connected to a special air inlet pipe from
without. The central inner tube may also open underneath the stove into the
room in which the stove is placed. It follows then that the ventilation of this
room is effected directly by the bad air being sucked away from below by the inner
central pipe whilst the outlet pipes above are left out for this room.
The construction of the stove proper is as follows:-
:-
The stove consists of an iron jacket which is lined with fireclay where it comes
in contact with the fire.
The central inner tube is brought up through the interior of the stove jacket and
goes through the whole stove being connected underneath with the air inlets from
the room or cellar beneath the room which contains the stove and discharges above
into the collecting tube enclosing the said tube. On the front side of the stove
there is provided a furnace with a grate and a feeding shoot and at the back
opposite to the furnace a chimney. The space between the inner tube and the
jacket is divided into two compartments by two partitions which do not quite
reach to the cover of the stove in order to make the burning gases to pass up one
side and down the other and thus play round the inner tube from all sides.
If the stove is not at the same time required for heating the room in which it is
fixed the stove and so much of the inner tube as is in the room may be covered
with some heat non conducting material.
The outlets for the vitiated air may be from the ceiling or they may be from
the walls.

page_text: COMPLETE SPECIFICATION.
Improvements in Thermo-ventilating Stoves and Parts Connected
therewith.
"
I PETER JENSEN, Fel. Inst. P. A. of 33 Chancery Lane in the County of
Middlesex do hereby declare the nature of said invention for "IMPROVEMENTS
IN THERMO-VENTILATING STOVES AND PARTS CONNECTED THEREWITH (a com-
munication to me from abroad by Leopold Koppel of Dresden Saxony in the
German Empire, Banker) and in what manner the same is to be performed to be
particularly described and ascertained in and by the following statement :-
This invention refers to a construction of thermo-ventilating stove and parts
connected therewith which may be used for all kinds of rooms. The removal or
drawing off of the bad hot air is accomplished by a stove specially constructed for
this purpose, and in such manner that inside of the stove a hot air or thermo-
column is produced in a central tube, which streams out into the open air above.
This central tube of the stove discharges into a flue or tube enclosing the same,
in which the air discharge pipes discharge vitiated air from the room or rooms to be
ventilated. The hot air going out of the central tube of the stove into the flue or
tube enclosing the same then on the principle of the induced current sucks the
bad air out of the rooms to be ventilated and carries them with it into the
open air.
The gaseous or products of combustion from the stove are led away by a
special Hue or chimney. The admission of fresh pure air into the rooms in
question is attained by an arrangement of flues at certain places of the rooms
to be ventilated which are open directly or indirectly to the fresh air, and which
may be provided inside the rooms with gauze sieves and regulating flaps.
In Figure 1 of the accompanying drawings a ventilating system of this kind is
shown. The arrangement is such that all the rooms or several rooms one above
the other can be ventilated by a single stove. The stove A is here shown set up in
a room or part of the ground floor B but it may also be arranged in the cellar
without altering its working.
Figure 2 is a half sectional elevation of the stove as applied to the ventilation
of one or more floors, and Figure 3 a plan section of stove.
A pipe a is led through the centre of the stove A which pipe is connected
underneath to the air inlets b, b but higher up in the building discharges into a
wider tube d which encloses the before named pipe a. The inner pipe a is con-
tinued some distance above the uppermost room to be ventilated whilst the outer
tube d passes out through the roof into the open air. Into this latter tube d
several outlet tubes ff situated above the stove A discharge vitiated air from the
rooms to be ventilated; it therefore forms a main or collecting flue for the bad air
to be led away,
The outlet tubes f for the bad air and the inlet tubes 6 for the air from the
basement to the interior central tube a of the stove are at their inlet openings
provided with regulating flaps vso that they may be opened more or less or even
wholly closed.

page_text: The action of the stove is as follows: In the central inner tube a the air is
raised to a moderately high temperature, and therefore rises and in flowing out into
the outer enclosing pipe d sucks vitiated air out of the outlet tubes ff from the
rooms and leads it into the open air. Fresh air is conducted to the rooms to be
ventilated by special flues. If the stove A is placed in the cellars underneath or if
these do not require to be ventilated the central inner tube a is connected to a
special air inlet pipe from without. The central inner tube a may also open
underneath the stove into the room B in which the stove is placed. It follows
then that the ventilation of this room B is effected directly by the bad air being
sucked away from below by the inner central pipe a whilst the outlet pipes ƒ above
are left out for this room B. .
The construction of the stove A proper as shown in Figures 2 and 3 is as follows:
The stove consists of an outer iron jacket g which is lined with fireclay where it
comes in contact with the fire.
On the
The central inner tube a is brought up through the interior of the stove jacket g
and goes through the whole stove being connected underneath with the air
inlets b from the room or cellar beneath the room B which contains the stove, and
discharges above into the collecting tube d enclosing the said tube.
front side of the stove there is provided a furnace with a grate h and a feeding
shoot t and at the back opposite to the furnace the chimney k. The space between
the inner tube a and the jacket g is divided into two compartments by two par-
titions m; m Figure 3 which do not quite reach to the cover of the stove in order
to make the burning gases to pass up one side and down the other and thus play
round the inner tube a from all sides.
If the stove is not at the same time required for heating the room in which it is
fixed the stove and so much of the inner tube a as is in the room may be covered
with some heat non-conducting material.
As shown in the drawing the outlets for the vitiated air are from the ceiling or
they may be from the walls.
Having now particularly described and ascertained the nature of said invention
and in what manner the same is to be performed I declare that what I claim
as the invention communicated to me is
First. In combination with a ventilating stove the central air heating pipe a
which serves to produce the thermo-column and terminates in an enclosing flue d
which latter terminates in the open air and which collects the air from ventilating
ducts ƒ so that the hot air in the pipe a is conveyed directly into the open air
substantially as set forth.
Second. The application of the flue d into which the central air heating pipe a
of the stove A teriminates, and the smaller flues f leading to adjoining and super-
posed rooms or stories for the purpose of being able to ventilate them by one
common or central stove A substantially as set forth.
Dated this 21st day of August 1885