Apparatus and Method of Obtaining Motive Power by the use of Ammonia and Atmospheric Air in Combination.
Year: 1890

page_text: Date of Application, 3rd July, 1890
Complete Specification Left, 3rd Apr., 1891-Accepted, 16th May, 1891
PROVISIONAL SPECIFICATION.
Apparatus and Method of Obtaining Motive Power by the use of
Ammonia and Atmospheric Air in Combination.
I CHARLES STUART Bletchley Bucks Mechanical Engineer do hereby declare
the nature of this invention to be as follows:-
This invention consists in abstracting ammoniacal and other gases from their
saturated solutions by means of utilizing the heat generated in compressing
common atmospheric air and afterwards combining them together for purposes of
producing a new and cheap motive power agent. A suitable jacket or chamber is
fitted and constructed around or in connection with the working barrel of an air
compressor capable of receiving the particular saturated solution to be acted upon.
The heat formed in compressing the air produces the means of setting the gases
held in the solution free, and when afterwards combined with the compressed air
produces a cheap and powerful agent for motive power purposes.
Dated this Third day of July 1890.
CHARLES STUART.
COMPLETE SPECIFICATION.
Apparatus and Method of Obtaining Motive Power by the use of
Ammonia and Atmospheric Air in Combination.
I, CHARLES STUART, of Bletchley, in the County of Buckingham, Mechanical
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 :-
My invention relates to the use of ammonia as a motive power agent, and it
consists essentially in utilizing the heat, generated by the compression of atmospheric
air, for vaporizing the ammonia, and in combining with the vapour thus produced
the compressed air escaping from the air compresser.
In carrying my invention into practice I provide a suitable air-pump or com-
presser around or in connection with the working barrel or cylinder of which is
formed a jacket or chamber capable of receiving the ammonia or the solution
thereof to be vaporized.
To enable my invention to be fully understood I will describe the same with
reference to the accompanying drawings, in which :—
Figure 1 is a longitudinal section of apparatus suitable for use in connection
with my invention; and,
Figure 2 is a transverse section of the same on the line xx.
a indicates the cylinder of the air-pump, and b a wall or casing surrounding the
said cylinder so as to form a jacket c. dis the piston of the air-compresser and
e, are the eduction valves through which the compressed air is discharged into the
spaces 9 respectively. These spaces g, as shewn, communicate with the jacket c
through the openings i, j respectively.
In the operation of the apparatus the jacket c is filled with a solution of
ammonia with the exception of a small space at the top in which the vapour can
collect. When now the air-pump or compresser is started the walls of the
cylinder a become heated to a sufficient extent to cause the vaporization of the
ammonia and, at the same time, the air which is discharged from the pump passes
through the openings i, j alternately into the liquid through which it rises,
escaping with the vapour through the outlet k to a suitable accumulator, from
D

page_text: which the compressed air and ammoniacal vapour can be drawn as required
for use.
It is to be understood that any suitable motor may be provided for working the
air-compresser, and that any suitable form of air-compresser may be used in carrying
out my invention. In practice, however, I advantageously employ the air-
compresser shewn in the drawings; as, however this air-compresser forms the
subject matter of application for Letters Patent dated April 3, 1891 No. 5768 I
make no claim thereto in this application. This air-compresser will be fully
understood by the following description :-The eduction valves e, f are adapted
to completely close the ends of the air-compresser cylinder proper, that is to say,
the portion through which the piston moves. The induction valves 1, 1 and are
arranged in the piston, the atmospheric air being admitted through a channel m in
the piston-rod. These valves 1, 1, 1 are connected together at such a distance
apart that, when the valve is upon its seat, the valves I, l are open and vice versa.
The valves e, f slide in recesses in the cylinder covers, sufficient space being
provided in the recesses behind the valve stems to contain sufficient air to act
as springs to close the valves the said air being compressed when the valves are
opened.
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:-
1. The use as a motive power agent of ammonia vapour produced by the heat
arising from the compression of air, such air after compression being combined with
the ammonia vapour, substantially as described.
2. Apparatus for the production of the motive power agent claimed in the
preceding claiming clause, comprising an air pump or compresser and a casing or
jacket surrounding the barrel of such air pump or compresser, substantially as
described.
3. The combination with the barrel of an air pump or compresser of a casing or
jacket, substantially as described with reference to the accompanying drawings for
the purpose specified.
Dated the 211
די
1001
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant.