Year: 1888

page_text: .
We, DAVID WILLIAMSON, and ROBERT WILLIAMSON of Laxey, Isle of Man,
Ironmonger and Merchant respectively, do hereby declare the nature of this invention
to be as follows:-
This invention has for its object an improved method of warming and ventilating
rooms, buildings, or the like, and is especially applicable to the rooms of dwelling
houses, where an efficient warming or ventilating is desired, without the expense of
an elaborate apparatus.
The way in which we attain the object of our invention may be briefly described as
follows:-
At the back of the fire-place or stove, we construct a heating chamber, either in
the brickwork or by means of a separate metallic box, which is preferably attached
to the back plate of the grate. Into the lower part of this chamber we lead a pipe, at
or about the level of the fire bars. This lower pipe communicates with the room at
any convenient point at the side of the fire place, and is preferably provided
at its outer end with a valve or register plate, by means of which the inflow of
air may be controlled. The upper part of the heating chamber above referred to is,
by preference, constructed with alternating partitions, which form with the sides
of the chamber, a serpentine heating passage. The top of the chamber communicates
by means of a second or upper pipe with the upper part of the room, or with
another room.
The mode of action for warming is as follows:
The fire having been lighted, and the register opened as required, the hot air in the
lower part of the heating chamber immediately behind the firebricks of the grate
ascends through the serpentine passage, and passes along the upper pipe and out at
the upper part of the room, while the cold air in the lower part of the room is drawn
into the heating chamber through the register and along the lower pipe.

page_text: To use the apparatus for ventilating the inlet of the lower pipe may be placed near
the upper part of the room, and the outlet of the upper pipe carried to a suitable point
outside the room. The fresh air would find its way in, by means of the door, etcetera,
while the foul air would be drawn through the heating apparatus, and discharged on
the outside.
The invention is also applicable to stoves of many descriptions.
Rooms, Buildings, and the like.
We, DAVID WILLIAMSON, and ROBERT WILLIAMSON of Laxey, Isle of Man, Iron-
monger and Merchant respectively 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 an improved method of warming and ventilating
rooms, buildings, or the like, and is especially applicable to the rooms of dwelling
houses, where an efficient warming or ventilating is desired, without the expense
of an elaborate apparatus.
The way in which we attain the object of our invention may be briefly described
as follows, reference being had to the accompanying drawings, in which :-
Figure 1 is a vertical section the apparatus on linex Figure 3.
Figure 2 is a vertical section on line y, y, Figure, 3, and
Figure 3 is a sectional plan on line z z Figure 1.
At the back of the fire-place or stove A, we construct a heating chamber, either in
the brickwork or by means of a separate metallic box, B. This box may be attached
to the back plate of the grate or may itself form the back of the grate, or it may rest
upon the hearthstone A¹ by its elongated flanges B¹. It may also be provided with a
beading B³, which projects over the tiles at the back of the grate. Into the lower
part of this chamber we lead a pipe or pipes C, at or about the level of the lower fire
bars a.
This lower pipe (or pipes) communicates with the room at any convenient
point at the side of the fire-place, and is preferably provided at its outer end with a
valve or register plate C₁, Figure 3, by means of which the inflow of air may

page_text: be controlled. The upper part of the heating chamber above referred to is, by
preference, constructed with alternating partitions b, which form, with the sides of the
chamber, a serpentine heating passage. The alternating openings in the partition
may be arranged at the front of the chamber, as at 6', or otherwise, the direction
of the air being shown by the arrows. The top of the chamber communicates by
means of a second or upper pipe D with the upper part of the room, or with another
room.
The mode of action for warming is as follows:-
The fire having been lighted, and the register C¹ opened as required, the hot air in
the lower part of the heating chamber, which is immediately behind the fire-bricks of
the grate, ascends through the serpentine passage in the chamber, and passes along
the upper pipe D and out at the upper part of the room, while the cold air in the
lower part of the room is drawn through the register C, and along the lower pipe or
pipes C, into the heating chamber. Fresh air from the outside may also be drawn
into the apparatus by means of a pipe E, and passed into the room after being
warmed.
The invention is also applicable to certain kinds of stoves, and all ordinary register
grates.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed, we declare that
what we claim is :-
1. The method of warming a room or the like, which consists in causing the air
from the lower part of the room to pass through an ascending serpentine heating
passage, formed in a closed chamber placed directly against the back or sides (or both)
of the fire-place or stove, and in leading it from the top of said passage, and dis-
charging it into the upper part of the room, substantially as set forth.
2. An apparatus for warming or ventilating a room or the like, consisting of
a closed chamber such as B forming the back or sides (or both) of the fire place or
stove and provided in its interior with an ascending serpentine passage, such as
described, which communicates at its lower end with the lower part of the room (or
with a point on the outside thereof), and at its upper end with the upper part of the
room, substantially as described.
3. The warming or ventilating apparatus as a whole, substantially as herein shown
and described.
.