Improvements in Steam and Vapour Engines Combined.
Year: 1890

page_text: COMPLETE SPECIFICATION.
Improvements in Steam and Vapour Engines Combined.
We, CHARLES WELLS, JOHN KEMSLEY, and CHARLES ARTHUR CLAUDE TREMEER,
all of 115 Great Titchfield Street, in the Administrative County of London, Gentlemen,
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 :-
The present invention relates to improvements in steam engines, and its particular
object is to recover the greater part of the heat from the exhaust of ordinary steam
engines for the purpose of obtaining further effective pressure therefrom.
In carrying this invention into effect, the exhaust steam is intercepted in its passage
from the exhaust into the atmosphere, or into the condenser, according to the type of
engine to which the present invention is applied, and led into a vessel containing
naphtha or launch spirit held within tubes or coils.
The heat of the exhaust converts the naphtha into vapour, and the latter is then fed
to a working cylinder. The exhaust from this cylinder is led into a refrigerator where
it is cooled, and from which it is pumped back into the naphtha vessel.
In order that this invention, and the means by which it is to be carried into practical
effect, may be thoroughly understood, we will now describe them in detail referring in
so doing to the accompanying drawing which is to be taken as part of this Specifi-
cation and read therewith.
The drawing represents the application of our invention to a compound marine
surface condensing engine but it is equally applicable to any type of steam engine.
A is the steam boiler; B the engine; and C, the exhaust.
D is the vessel into which the exhaust steam is led ; and E, is the pipe through
which it is returned to the condenser F.
G is a coil within the vessel D and contains naphtha. The heat of the exhaust is
used to vaporize the naphtha. The naphtha vapour is fed along the pipe H into the
working cylinder I; and the exhaust vapour from the latter is drawn through the
coil J of a condenser by a pump K, and returned into the naphtha coil G.
L is a vapour-tight chamber enclosing the distinctive parts of this invention, and it
is provided in order to prevent the escape of inflammable vapour. M is a flue adapted
to carry off any vapour which may accumulate in this chamber. N is a throttle valve
by which the flue may be altogether closed in the event of the vapour becoming
ignited.
If preferred, provision may be made for the injection of water into the casing for
the purpose of extinguishing a fire.
Suitable manholes are provided in the casing sides to give access to the interior, as
also proper glands and stuffing boxes for the connecting and other rods of the naphtha
engine to work through.
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 :-
Evaporating naphtha to produce power by utilizing exhaust steam and enclosing
all the parts of the naphtha engine in a metallic chamber as set forth.
Dated thin 10th 1-1-1900
PHILLIPS & LEIGH,
22, Southampton Buildings, Chancery Lane, London, W.C.,
Agents for the Applicants.