AN IMPROVED PROCESS FOR ECONOMIZING FUEL BY THE USE OF STEAM
Year: 1873

page_text: LETTERS PATENT to Louis Schwarz, of Am Hatzen, 106, Moerdyk,
Holland, for the Invention of "AN IMPROVED PROCESS FOR ECONOMIZING
FUEL BY THE USE OF STEAM.”
}
Sealed the 22nd August 1873, and dated the 26th June 1873.
COMPLETE SPECIFICATION filed by the said Louis Schwarz at the Office
of the Commissioners of Patents, with his Petition and Declaration,
on the 26th June 1873, pursuant to the 9th Section of the
Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, LOUIS,
SCHWARZ, of Am Hatzen, 106, Moerdyk, Holland, send greeting.
WHEREAS I am in possession of an Invention for "AN IMPROVED
PROCESS FOR ECONOMISING FUEL BY THE USE OF STEAM," and have petitioned
Her Majesty to grant unto me, my executors, administrators, and assigns,>
Her Royal Letters Patent for the same, and have made solemn Declara-
tion that I am the true and first Inventor thereof.
:
NOW KNOW YE, that I, the said Louis Schwarz, do hereby declarè
that the following Complete Specification, under my hand and seal,-

page_text: I adapt two or several conducting tubes to the pipes by which the
steam is naturally lost. These tubes are in iron, copper, or any other
suitable metal, and of such dimensions as required by the engine to
which they are applied. These tubes are led to the exterior in ascending
on the sides of the steam receiver in order to pass over the boiler and
the furnace, where they are introduced to bring in the lost steam; they
can also be placed as well in the interior as the exterior, and traverse all
parts of the interior of the engine according to whether it is desired to
conceal or exhibit the said tubes, therefore they can be applied to all
engines without any modifications in their general structure nor in any
particular parts. The introduction into the furnace of the waste steam

page_text: thus gathered is made either through the top, the sides, or the bottom,
according to the most practicable manner in taking into consideration
the structure of the engine to which the Invention is to be applied.
WORKING OF THE INVENTION.
i
The conducting tubes having been placed the engine is supposed to be
heated. The quantity of steam which is in excess in the receiver
thrust out through the conducting tubes towards the furnace, where its
combustible parts are consumed, and the remainder is carried away by
the natural way of the chimney. The Invention thus realises the
ejection of all. the waste steam, the steam always tending to rise as soon
as an exit is found, and this tendency increasing still more by contact
with fire.
'
This steam introduced into the furnace produces by the consumption
of its combustible parts a certain amount of heat, which allows to
decrease in an equal proportion the quantity of coals employed, and even
the heat will be by this new process higher than by the present system.
SPECIAL FEATURES OF THE INVENTION.
The Invention consists in diminishing the consumption of coal by the
use of wasted steam, it decreases the working expenses, it is an element
of decrease on the price of coal, which has assumed at this period
immoderate proportions and greatly remedies the perhaps approaching
danger of a coal dearth. In presence of the always increasing con-
sumption of coal for all purposes the use of economical combustibles is
an evident necessity, and it offers the only means of prolonging the
universal stock which is limited. The present Invention tends to these
results by the most rational and simple process, and its use can be
obtained without any serious expenses with all kinds of steam engines,
and even furnaces of all dimensions and used for all
purposes.
A, B, C, D,..
E,
F, F, F,
G,
-
Fig. 1.
-O
Conducting tubes.
Steam receiver.
Boiler.
Furnace.

page_text: A, B, C, A, B, C¹,
Conducting tubes.
In witness whereof, I, the said Louis Schwarz, have hereunto set
my hand and seal, this Thirteenth day of June, in the year of
our Lord One thousand eight hundred and seventy-three.