Improvements in or relating to Atmospheric Condensers for Motor Carriages.
Year: 1896

page_text: Date of Application, 3rd Dec., 1896
Complete Specification Left, 3rd Sept., 1897-Accepted, 23rd Oct.. 1897
PROVISIONAL SPECIFICATION.
Improvements in or relating to Atmospheric Condensers for Motor
Carriages.
We, HERBERT CHURCHILL CAPEL, of 168 Dalston Lane, in the County of
Middlesex, Engineer, and THOMAS CLARKSON, of Grove Villa, Carshalton Grove,
Sutton, in the County of Surrey, Engineer do hereby declare the nature of this
invention to be as follows:-
This invention relates to atmospheric condensers employed in steam-driven
motor carriages, and may be carried out as follows:-
When the boiler is situated at the back of the vehicle we form a frame of tubes
through which the steam has to pass to the condenser proper which is situated
in the fore-part of the vehicle in front of the carriage body. The frame consists
of two tubes connected by a large number of small tubes preferably flattened, and
assuming to a greater or less extent a shape corresponding to the contour of the
underside of the vehicle body or frame; the tubes may be flattened out and lie
edge to edge so as to form in effect a hollow plate upon which the air would
impinge, thus providing a preliminary condensation before the steam reaches the
condenser proper. The latter may be of any suitable form, preferably multi-
tubular, and placed at, or a portion of it is placed at such an angle as to lie as
nearly as practicable perpendicular to the path of the air current or currents. A
suction fan is preferably placed inside, behind or underneath the condenser, and
may be driven by a flexible shaft from the motor the air from the fan being
preferably delivered to the tubes previously described underneath the vehicle.
Louvres may be employed partly to protect the condenser tubes from dirt or
damage and partly to direct the air currents on to the tubes and these louvres
may themselves form a portion of the condenser tubes or condensing surface.
Other portions of the framework or carriage body may be made of condenser
tubes or plates, so as to increase the surface, and the dash board or other front
portion may be cowl-shaped so as to act as a collector for the air to be supplied
for condensing purposes.
Where the condensation provided is not sufficient, as in hot climates or at any
time during excessively hot weather the exhaust steam or some of it may be
discharged into the atmosphere, in which case we prefer to super-heat it, so that
it may be invisible when discharged, and to deliver it direct to the atmosphere
without mixing it with the products of combustion.
Dated this 3rd day of December 1896.
BOULT & WADE,
Agents for the Applicants.

page_text: COMPLETE SPECIFICATION.
Improvements in or relating to Atmospheric Condensers for Motor
Carriages.
:
We, HERBERT CHURCHILL CAPEL, of 168 Dalston Lane, in the County of
Middlesex, Engineer, and THOMAS CLARKSON of Grove Villa, Carshalton Grove,
Sutton, in the County of Surrey, Engineer 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 relates to atmospheric condensers employed in steam-driven
motor carriages, and may be carried out as follows:-
When the boiler is situated at the back of the vehicle we form a frame of tubes
through which the steam has to pass to the condenser proper which is situated
in the fore-part of the vehicle in front of the carriage body. The frame consists
of two tubes connected by a large number of small tubes preferably flattened, and
assuming to a greater or less extent a shape corresponding to the contour of the
underside of the vehicle body or frame; the tubes may be flattened out and lie
edge to edge so as to form in effect a hollow plate upon which the air would
impinge, thus providing a preliminary condensation before the steam reaches the
condenser proper. The latter may be of any suitable form, preferably multi-
tubular, and placed at, or a portion of it is placed at such an angle as to lie as
nearly as practicable perpendicular to the path of the air current or currents. A
suction fan is preferably placed inside, behind or underneath the condenser, and
may be driven by a flexible shaft from the motor the air from the fan being
preferably delivered to the tubes previously described underneath the vehicle.
Louvres may be employed partly to protect the condenser tubes from dirt or
damage and partly to direct the air currents on to the tubes and these louvres
may themselves form a portion of the condenser tubes or condensing surface.
Other portions of the framework or carriage body may be made of condenser
tubes or plates, so as to increase the surface, and the dash board or other front
pertion may be cowl-shaped so as to act as a collector for the air to be supplied
fof condensing purposes.
Where the condensation provided is not sufficient, as in hot climates or at any
time during excessively hot weather the exhaust steam or some of it may be
discharged into the atmosphere, in which case we prefer to super heat it, so that
it may be invisible when discharged, and to deliver it direct to the atmosphere
without mixing it with the products of combustion.
...
In the accompanying drawings
Figure 1 is a diagrammatic side elevation showing the improved condensing
appliances in position on a vehicle.
Figure 2 is a perspective view of the curved tubulous "plate."
Figure 3 is a part cross section of the same.
Like letters indicate like parts throughout the drawings.
:
Two tubes A and B arranged transversely in the framing of the vehicle are
connected by a series of longitudinal tubes C which are passed under a roller so
as to slightly flatten them and cause them to all but touch one another as shown in
Fig. 3, thus forming what may be termed a tubulous plate. This tubulous plate.
is curved to fit the curve of the framing and body of the vehicle, distance pieces C¹
being employed to hold the tubes C at two or more points in the course of their
length.
The tube A is connected as by the tube A with the exhaust steam from the
motor of the vehicle, a preliminary condensation taking place in the tube C,

page_text: the partly condensed steam being afterwards conducted through the tube B into
the tubes D of the condenser proper. The latter are arranged in the fore part of
the vehicle at a suitable angle such as shown, the front of the casing which
encloses them being preferably provided with louvres E. At the back of the
condenser tubes D is arranged a fan F which is driven from the main motor
shaft G by flexible shafting which is arranged to follow as far as possible the
curve of the framing of the vehicle. The flexible shafting comprises a short
length F¹ of rigid shafting carried in bearings F, the fan being mounted upon the
end of it. At the opposite end is connected by a Hook's universal joint F³ a
rod F which is free to slide telescopically within a hollow rod or sleeve F5 and
caused to rotate therewith by means of a feather an the rod engaging with a
groove in the sleeve or vice versa. The hollow rod F is connected by another
universal joint Fe to the end of a rigid shaft F7 carried in bearings F, the end
of this shaft being arranged to be driven either by bevel gearing or otherwise from
the main motor shaft G. The condensed water from the tubes D passes into the
water tank H whence it is pumped into the boiler at the rear of the vehicle.
The air drawn by the fan F around the condenser tubes D is expelled against
the under surface of the tubulous plate C, thus doing double duty in assisting the
condensation. If desired a continuous flexible shaft may be employed instead of
that above described and illustrated, the shaft in this case being carried in
bearings at its end and simply hanging beneath the condenser plate or framing of
the vehicle.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, we declare that what
we claim is:
1. A tubulous condenser "plate" such as A B C for a steam driven motor
vehicle.
2. In a steam driven motor vehicle the combination with a tubulous condenser
"plate" such as A B C of a condenser D and a fan for drawing air through the
condenser and causing it to impinge on the condenser "plate" substantially as
described.
3. In a steam driven motor vehicle the combination with a condenser arranged
in the fore part of the vehicle of a fan behind the condenser and a flexible shaft
conveying power from the engine at the back to the fan at the front substantially
as and for the purpose described.
4. The complete atmospheric condensing apparatus for a steam driven motor
vehicle substantially as described and illustrated in Figure 1 of the accompanying
drawings.
5. The complete tubulous condenser "plate" substantially as described and
illustrated in Figures 2 and 3 of the accompanying drawings.
Dated this 3rd day of September 1897.
BOULT & WADE,
Agents for the Applicants.