Improvements in Ventilators.
Year: 1895

page_text: Date of Application, 2nd Aug., 1895
Complete Specification Lelt, 2nd Nov., 1895-Accepted, 7th Dec., 1895
PROVISIONAL SPECIFICATION.
Improvements in Ventilators.
I, WILLIAM SHERMAN, of 13, Iffley Road, Hammersmith, London, W. Zinc
Plate Worker, do hereby declare the nature of this invention to be as follows:-
My invention relates to a new or improved appliance or apparatus for ventilating
rooms, shops, shop windows, public halls and other places, and has for its object to
effectually carry off the heated, vitiated or otherwise impure vapours or gases from
such places, without incurring the usual in or down draught common to nearly all
methods of ventilation hitherto known and used.
My invention consists of a cylindrical hollow body having both ends stopped or
blocked, and at any suitable part of said cylinder I form a preferably elliptical
opening, the length of which may be the same or anything less than the length of
the said cylinder, and to the mouth of said opening, I attach a like shaped funnel
or cone of any desired height. In the said cylinder at either side of the said cone
I form a rectangular or other shaped opening, into which I insert and secure
thereto a like shaped tube, which extends within the said cylinder nearly to the
opposite side, whereat the inner end of said tube is curved or splayed so that the
area of the lower surface thereof is less than the upper.
In practice the apparatus would be fixed with the said tube passed through a
suitable aperture in the highest part of the wall, window sash, window frame or
other part of the room, hall or the like to be ventilated, in such a manner that
while the cylinder and cone were inside, the free end of the said tube would be
outside, and the heated or impure air or gas, would pass out through the said cone
or funnel into, through and out of the said tube into the open air, and by reason of
the curved, splayed or undercut formation of the inner end of said tube, and the
fact that said inner end extends within the cylinder beyond the lower end of the
cone, an in or down draught is impossible.
The apparatus may be constructed of any kind of metal or combination of metals,
and the several parts be connected together by soldering, brazing, rivetting or other
suitable means.
Dated this 2nd day of August 1895
Improvements in ventilators.
I, WILLIAM SHERMAN of 13 Iffey Road, Hammersmith, London W. Zine
Plate Worker 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 :-
My invention relates to a new or improved appliance or apparatus for ventilating
rooms, shops, shop windows, public halls and other places, and has for its object to

page_text: effectually ventilate such places and carry of the heated air, and impure vapours
or gases therefrom, without incurring the usual in or down draught common to
nearly all methods of ventilation hitherto known and used.
In order that may said invention and the manner in which I prefer to carry the
same into effect may be fully understood I have hereunto appended a sheet of
drawings of which
Fig. 1 is a perspective view of the entire apparatus as it would appear when
viewed from the outlet aperture or that portion which in practice would be outside
the wall of the room, or building or the window or other part of the shop to be
ventilated.
Fig. 2 is a plan view of same, while Fig. 3 is a vertical section taken upon the
line A B Fig 2.
For the purposes of my invention I construct of zinc, iron or other suitable
metal or material a cylindrical hollow body A, both ends of which are stopped or
blocked, and at any suitable part of the cylindrical portion of said body I form a
preferably elliptical opening, the length or largest diameter of which may be the
same or anything less than that of the length of A, and to the mouth of the said
opening attach a like shaped funnel or splayed mouth B. of any desired height
suited to the conveniences for fixation. At either side of, and at or about at right
angles to the said funnel or mouth B, I form in A a preferably rectangular opening,
into which I insert, and secure thereto, a like shaped tube or passage C, which
extends within A nearly to the opposite side, thereof but not in touch therewith,
this end of C being curved or splayed or cut away at a so that the length or area
of the under surface of this, within A, is less than its upper surface, while that
portion of C outside A may be of any length desired according to the thickness of
the wall, door window or other place through which it has to pass, as hereinafter
explained.
In practice the said apparatus would be fixed in the highest possible position in
the room, hall, shop, window or other place to be ventilated, in such a manner, that
while the portions A and B were inside, the free end of C, or that portion outside A,
would pass through a suitably shaped aperture in the wall, window frame, door or
the like, so that the open end of C would be on the outside, and the fixation of this
portion of C in the aperture through which it has been passed will be sufficient to
retain the apparatus in position, a suitable weather cap being provided upon the
outer end of C if desired.
The heated or vitiated air or impure gases or vapours would first enter the
funnel B, and then the inner end a of C, passing through this and out at its opposite
end into the open air, and by reason of the curved, splayed or undercut formation
of the inner end of C, and the fact that, the said inner end of this extends within
the cylinder beyond the lower mouth of B, a return, or down draught is next to au
impossibility, as such fresh air as may enter the building or the like through the
apparatus would be directed by the formation of B in an upward direction. My
invention may be conveniently employed for ventilating railway carriages, tramcars,
omnibuses and other road vehicles, when a slight alteration may be necessary in the
shape or contour of the outer end of the tube or passage C.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is carried into practice I declare that what I
claim is :-
1st. In an improved appliance for ventilating purposes, the employment of a
cylindrical hollow body having a funnel shaped inlet, and a tubular or other shaped
passage partly extending within the said body beyond the lower mouth of the said
inlet, and splayed or curved at its inner end, substantially as herein described and
shewn.
2nd. In a ventilator, the combination of a cylindrical hollow body such as A,
blocked at both ends, and having a preferably funnel shaped inlet B, and an exhaust

page_text: such as C, extending within A beyond B, and splayed or curved downward and
under as at a, substantially as and for the purposes herein described and shewn by
the appended drawings.
Dated this 2nd day of November 1895.
GEO. THOS. HYDE,
1 Broad Street Buildings, Liverpool Street, London, E.C.,
Agent for the Applicant.