Year: 1896

page_text: We, JAMES COMPTON MERRY WEATHER and CHRISTOPHER JOHN WALLACE
JAKEMAN, of the Firm of Merryweather & Sons Limited, Greenwich Road, Greenwich,
in the County of Kent, Engineers, do hereby declare the nature of this invention to
be as follows:
Our invention relates to improvements in the construction of self propelled carriages
actuated by steam.
In one form of carrying out our invention we make use of one of our patent boilers
as used in steam fire engines, fitted with an automatic gear for feeding the boiler
with water and an automatic gear regulated by the steam pressure for controlling
the supply of liquid fuel to the furnace. In order to dispose of the exhaust steam
we use a compound engine, preferably with three cylinders which exhaust at a low
pressure into a surface condenser formed of flat copper tubes preferably under the
vehicle. The water from the condenser is collected in a closed tank and any remaining
vapour is conducted into the uptake through a superheater. The engine and boiler
are carried on a light steel frame and the carriage body, which may be closed or
open, is supported thereon by suitable springs. The wheels are fitted with elastic
tyres covered with a preparation of leather to reduce the wear, and are arranged
to run freely on fixed axle arms, two of the arms being pivotted at suitable points
for the purposes of steering. Gearing is provided for varying the relative speed of
motor and carriage and balance gear is fixed on the intermediate shaft to allow for
turning curves.
We do not confine ourselves to the form of boiler mentioned as boilers of other
design may be used.
Datel this
J. C. MERRY WEATHER.
C. J. W. JAKEMAN.
vemer
Motor Road Cars.
We, JAMES COMPTON MERRYWEATHER and CHRISTOPHER JOHN WALLACE
JAKEMAN, of the Firm of Merryweather & Sons Limited, Greenwich Road, Greenwich,
in the County of Kent, Engineers, 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:-
Our invention relates to improvements in the construction of self-propelled carriages
actuated by steam.
In one form of carrying out our invention we make use of one of our patent boilers
(No. 1855-80) as used in steam fire engines, fitted with an automatic gear for
feeding the boiler with water and an automatic gear regulated by the steam pressure
[Pi]

page_text: for controlling the supply of liquid fuel to the furnace. In order to dispose of the
exhaust steam we use a compound engine, preferably with three cylinders which
exhaust at a low pressure into a surface condenser formed of flat copper tubes
preferably under the vehicle. The water from the condenser is collected in a closed
tank and any remaining vapour is conducted into the uptake through a superheater.
The engine and boiler are carried on a light steel frame and the carriage body,
which may be closed or open, is supported thereon by suitable springs. The wheels
are fitted with elastic tyres covered with a preparation of leather to reduce the wear,
and are arranged to run freely on fixed axle arms, two of the arms being pivotted
at suitable points for the purpose of steering. Gearing is provided for varying the
relative speed of motor and carriage and balance gear is fixed on the intermediate
shaft to allow for turning curves.
We do not confine ourselves to the form of boiler mentioned as boilers of other
design may be used.
The accompanying sheet of drawings shew the general arrangement of one method
of carrying out our invention :-
A is the boiler, B the engine, C the condenser, D the balance gear, E the steering
wheel, F the driving wheel, G water tank and coal bunker, H is the uptake from the
boiler, and I the reversing lever.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is ;-
1. The construction of a motor road car substantially as described in connection
with the drawing.
2. The use of a three cylinder compound engine for the purpose described.
Dated this 12th day of February 1897.
J. C. MERRYWEATHER.
C. J. W. JAKEMAN.