Improvements in Ventilating Railway Carriages and other Vehicles, Applicable also to the Ventilation of Ships.
Year: 1889

page_text: Date of Application, 13th July, 1889
Complete Specification Left, 10th Apr., 1890-Accepted, 24th May, 1890
PROVISIONAL SPECIFICATION.
Improvements in Ventilating Railway Carriages and other Vehicles,
Applicable also to the Ventilation of Ships.
I, RICHARD ROBERT LOANE ROSOMAN, of Highlands Itchen Ferry near Sonth-
ampton, Gentleman, do hereby declare the nature of this invention to be as
follows:-
This invention has for its object improvements in ventilating railway carriages
and other vehicles applicable also to the ventilation of ships.
In order to ventilate a railway carriage I provide upon the roof or other part of the
carriage a casing containing a taper or funnel like inner tube. The wide end
of this funnel is so situate that it catches the wind as the carriage travels through
the air.
There is also in the same casing a second tube with a funnel like mouth and the
smaller end of the first tube enters the mouth of the second but leaving an annular
space between the two tubes.
When the carriage is in movement a rapid current of air is delivered by the first
tube into the second and this air current produces a suction from the part of the
casing which is in communication with the funnel like mouth of the second tube.
This part of the casing is connected by suitable passages with the interior of the
carriage and by the action of the apparatus air is drawn through these passages into
the casing and it passes out from thence through the second tube entering it by the
annular opening at the mouth and escaping at the other end in a direction opposite
to that in which the carriage is travelling.
Sometimes I provide in the same casing two pair of funnel like passages operating
as above described one to act in one direction and the other when the direction in
which the carriage travels is reversed.
Like apparatus may be applied to the ventilation of any chamber which is in
movement through the air.
COMPLETE SPECIFICATION.
Improvements in Ventilating Railway Carriages and other Vehicles,
Applicable also to the Ventilation of Ships.
I, RICHARD ROBERT LOANE ROSOMAN of Highlands, Itchen Ferry near South-
ampton Gentleman 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 improvements in ventilating railway carriages
and other vehicles applicable also to the ventilation of ships.
In order to ventilate a railway carriage 1 provide upon the roof or other part of
the carriage a casing containing a taper or funnel like inner tube. The wide end of
this funnel is so situate that it catches the wind as the carriage travels through
the air.
There is also in the same casing a second tube with a funnel like mouth and the
smaller end of the first tube enters the mouth of the socond but leaving an annular
space between the two tubes.
When the carriage is in movement a rapid current of air is delivered by the first
tube into the second and this air current produces a suction from the part of the
casing which is in communication with the funnel like mouth of the second tube.

page_text: annular opening at the mouth and escaping a
than that in which the carriage is travelling."
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Sometimes I provide in the same casing two pair of funnel like passages operating
as above described one to act in one direction and the other when the direction in
which the carriage travels is reversed.
Like apparatus may be applied to the ventilation of any chamber which is in
movement through the air.
In order that my said Invention may be more fully understood and readily carried
into effect I will proceed to describe the drawings hereunto annexed.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a longitudinal vertical section.
Figure 2 a longitudinal horizontal section and
Figure 3 a transverse vertical section of a double apparatus constructed according
to my Invention.
A. is the casing. B B are funnel-like tubes formed within the casing. C is a
flap valve which puts one of these funnels into action and the other out of action
according to the direction in which the carriage is travelling. The valve C directs
the incoming air downwards into the transverse funnel-like passages D D. EE is
a space surrounding the funnels D D. This space communicates with the inside of
the carriage by the opening F.
The action of the apparatus is as follows:-
The air entering the funnel B passes downwards into the funnels D D where it
dividos into two streams and passes outwards transversely. In so doing it induces
a current of air through the passages E surrounding the funnels D thereby sucking
air out of the railway carriage.
Having now particularly described and ascertained the nature of my said Inven-
tion and in what manner the same is to be performed I declare that what I
claim is
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1. Apparatus for ventilating railway carriages, other vehicles and ships in which a
current of air passing through the apparatus induces a current of air from the place
to be ventilated, substantially as described.
2. Apparatus substantially as described and shown in the drawings.
Dated this ath dose of Ancil 1800