Improvements in the Construction of Ventilating Apparatus.
Year: 1889

page_text: Date of Application, 26th Mar., 1889
Complete Specification Left, 25th Jan., 1890-Accepted, 1st Mar., 1890
PROVISIONAL SPECIFICATION.
Improvements in the Construction of Ventilating Apparatus.
I THOMAS FITZ-GERALD WINTOUR, of "West View," Binstead Road, Ryde, in the
County of Southampton, Esquire, do hereby declare the nature of my said invention
to be as follows:-
This Invention which relates to improvements in the construction of ventilating
apparatus, comprises various modifications, shapes, and materials, which are respectively
applicable to varied uses as hereinafter described.
According to one modification of especial utility for inserting in the pane of upper
window sash, and for use in rooms of all kinds and descriptions, as an efficient means
for providing an outlet and inlet of air without causing draught; I use two cones of
perforated metal, gauze wire, Indian rubber, or other suitable material, and close them
with glass, or other suitable material at the ends, these cones are fixed together by the
inner rim of one cone having a small channel, into which a pin in outer rim of other
cone runs, or some other similar contrivance; a circular piece of glass is cut out of the
pane in the upper sash of window, and the cones inserted, one being outside the window,
and the other inside, and fixed together as above described. A valve of mica, or other
suitable material may be hung from the inner rim of outside cone, which causes an
outlet of air only, and prevents inlet, and if hung on the inner rim of inside cone, it
causes an inlet of air only, and prevents outlet. I also place an indian rubber; or felt
band round the outside contre of cones to prevent draught; gas or electric light may
be inserted through the bottom of this ventilator, which may be placed in the fan-light
over doorway, or in any other window.
According to another modification for an inlet of air only, I attach a metal tube to
the buck of cono, closed with glass, metal, or other suitable material-the tube being
passed through a wall, or wood-work, to communicate with the outside air.
According to another modification of special utility as an exhaust ventilator for
chimney shafts, to remove vitiated air from large rooms, I use a cone made of perforated
metal, wire gauze, or other material, and close it with glass, metal or other material in
front, I then attach a funnel shaped metal part to the back of cone, which is inserted
into the chimney shaft, fitted with a mica or other valve to prevent any smoke from
entering the room. For hot-houses, and other buildings, I adapt a wire handle to a
metal valve, which can be opened and closed at pleasure.
In another mode of attaining this object, and to prevent downdraught, I provide a kind
of metal column, or cap, fitted with valves of mica, or other material at the sides, in
connexion with a shaft of metal through the roof, or other part of the building from an
exhaust ventilator placed in, or near the ceiling of the apartment, being funnel
shaped, with a jet of gas across the mouth, or in connexion with a gas chandelier..
According to another modification, I remove the glass from the sides of the old trap
ventilator in present use, and insert gauze wire, or perforated metal, and glaze the top,
causing side action of air only, without draught.
1000
T. F.-G. WINTOUR,
Ryde, I.W.

page_text: in and by the following statement
My invention relates to ventilating, apparatus and it comprises the improvements
hereinafter described.
In the accompanying drawing
Figure 1 is a sectional elevation of my improved apparatus, and
Figure 2 is a front view of the same.
Figures 3, 4 and 5 are sectional views illustrating various modifications.
Figures 6 and 7 are a front view and sectional view respectively of a valve suitable
for use with my apparatus.
'
According to my invention 1 employ two hollow conical frustums a, b, hereinafter
termed cones, which are made of perforated metal, wire gauze, or other suitable
perforated material. The smaller ends of these cones are fitted one within the other,
as shewn in Figure 1, and preferably locked together by a bayonet joint, that is to
say, by means of a pin c on one part, entering a groove d on the other part; any
other suitable means inay, however, be employed for the purpose. The portions
which fit one into the other are made of slightly smaller diameter than the adjacent
parts to form a channel of sufficient width to receive the edge of a sheet of glass e.
The larger ends of the cones are closed with sheets f, f of glass or other suitable
material.
In applying this ventilator to a window or wood partition, a circular orifice of
suitable size is made therein and the two parts of the ventilator are fitted together
from opposite sides and then rotated relatively to each other in order to lock them in
position by means of the bayonet joint.
In some cases a valve of mica or other suitable material is hung from the inner rim
of the outside cone as indicated by the dotted line g in Figure I so as to allow the
outlet of air only; or a corresponding valve may be hung to the inside cone as
indicated at to allow the inlet of air only.
According to a modification of my invention I apply to the outer cone an auxiliary
internal cone (figure 1) which. serves to direct the incoming air more directly.
through the ventilator as indicated by the arrows figure 1; I also in some cases
employ a partition ; which extends from the top to the bottom of the outer cone as
indicated by the dotted lines in Figure 2 and serves to separate the incoming and
outgoing streams of air.
7
Instead of placing the ventilator in a window as hereinbefore described the two cones
may be placed at the two ends of a tube passing through the wall of an apartment,
the said tube forming an intermediate chamber through which the air passes before
entering the apartment and in which it may be more or less warmed or tempered by
contact with the closed end of the inner cone. The two cones can also be placed at
the two ends of a vertical tube extending from the ceiling of a building through the roof.
Instead of employing two cones as hereinbefore described" I sometimes modify the
construction by employing one cone only on the inside of a building, for instance as
shown in figure 3a perforated plate k being placed outside. In this case the
ventilator serves only for the inlet of air.
According to another modification adapted for permitting the outlet of foul air, the
cone is attached to a funnel / leading to a chimney, a mica valve m being arranged in
the contracted part of the funnel, as shown in Figure 4, for preventing smoke from
entering the room. For other purposes the valve may be provided with means
whereby it can be opened and closed at pleasure.
The ventilator shown in Figure 5 is adapted to exhaust air from the upper part of a
This ventilator is provided with a metal column n the cap of which is fitted
room.

page_text: with valves o of mica or other material to prevent a downward draught in the said
column.
In the mouth of the funnel-shaped lower end of the column a gas jet can be
arranged to cause an upward current of air, or it may be used in combination with a
gas chandelier. In connection with this column I advantageously employ a rotating
cap or cowl p to protect the valves from the force of the wind.
Instead of using simple flap valves of the kind indicated I sometimes employ valves
of the kind shewn in figures 6 and 7. This valve comprises a ring q which forms the
valve seat and is adapted to be fitted between the cones and two flaps r, s which
are mounted on the rod t extending across the ring. One flap r is loosely mounted on
the said rod so that it can open and close automatically under the action of the air.
The other flaps is fixed to the rod t so that it can be opened and closed at pleasure by
turning the said rod. For facilitating this latter operation the rod is provided on its
projecting end with a knob as shown at u. If desirable the projecting portion of the
said rod could be used to form the pin of the bayonet joint for locking two cones
together.
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 :-
The manufacture and use of the improved ventilating apparatus herein before
described and illustrated in the accompanying drawing.
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.