IMPROVEMENTS IN GENEPATING SIEAM
Year: 1858

page_text: LETTERS PATENT to Samuel Stephen Bateson, of 17, Bolton Street, May
Fair, in the County of Middlesex, Barrister-at-Law, for the Invention of
PROVISIONAL SPECIFICATION left by the said Samuel Stephen Bateson
at the Office of the Commissioners of Patents, with his Petition, on the
30th December 1858.
I, SAMUEL STEPHEN BATESON, of 17, Bolton Street, May Fair, in the County
of Middlesex, Barrister-at-Law, do hereby declare the nature of the said In-
vention for "IMPROVEMENTS IN GENEPATING SIEAM," to be as follows:-
This Invention relates to an economic system or mode of generating steam,
whereby a considerable saving of fuel is effected, and consists in causing a supply
of water to be forced by means of any suitable feed or force pump through a
coiled pipe placed inside the body of the furnace fire, and opening into the
boiler. By this means the water before entering the boiler will be raised to
steam of a high temperature, which will greatly assist the ordinary generation
of steam in the body of the boiler. This system is applicable to stationary,
marine, or locomotive engines. It is also proposed to adopt the same system
of coiled pipes placed within the body of the burning fuel in the furnace,.but
in place of forcing water through such coil, it is proposed to allow a supply of
steam to pass therethrough into the main boiler, such steam being supplied
originally from one or more smaller sized separate boilers."The steam as it
[Price 8d.1

page_text: leaves the coil enters the boiler in a hightly superheated state, and acts either
wholly or partially as fuel to the main boiler, and effects the generation of the
steam therein. In some cases air may be employed and heated for a similar
purpose.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Samuel Stephen Bateson in the Great Seal Patent Office on
the 30th June 1859.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SAMUEL
STEPHEN BATESON, of, 17, Bolton Street, May Fair, in the County of Mid-
dlesex, Barrister-at-Law, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Thirtieth day of December, in the year of our Lord
One thousand eight hundred and fifty-eight, in the twenty-second year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
mc, the said Samuel Stephen Bateson, Her special license that I, the said
Samuel Stephen Bateson, my executors, administrators, and assigns, or such
others as I, the said Samuel Stephen Bateson, my executors, administrators,
or assigns, should at any time agree with, and no others, from time to
time and all times thereafter during the term therein expressed, should
and lawfully might make, use, exercise, and vend, within the United Kingdom
of Great Britain and Ireland, the Channel Islands, and Isle of Man, an
Invention for "IMPROVEMENTS IN GENERATING STEAM,"
upon the condition
(amongst others) that 1, the said Samuel Stephen Bateson, by an instrument
in writing under my hand and seal, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to be
performed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Samuel Stephen Bateson, do hereby
declare the nature of my said Invention, and in what manner the same is
to be performed, to be particularly described and ascertained in and by the
following statement, that is to say :--
My said Invention relates to an economic system or mode of generating
steam, whereby a considerable saving of fuel is effected, and consists in causing
a supply of water to be forced by means of any suitable feed or force pump
through a coiled pipe placed inside the body of the furnace fire, and opening

page_text: into the boiler. By this means the water before entering the boiler will be
raised to steam of a high temperature, which will greatly assist the ordinary
generation of steam in the body of the boiler. This system is applicable to
stationary, marine, or locomotive engines. It is also proposed to adopt the
same system of coiled pipes placed within the body of the burning fuel in the
furnace, but in place of forcing water through such coil, it is proposed to allow
a supply of steam to pass therethrough into the main boiler, such steam being
supplied originally from one or more smaller sized separate boilers. The steam
as it leaves the coil enters the boiler in a highly superheated state, and acts
either wholly or partially as fuel to the main boiler, and effects the generation
of the steam therein. In some cases air may be employed and heated for a
similar purpose.
And in order that my said Invention may be properly understood and readily
carried out in actual practice, I shall now proceed to explain in general detail
the essential features of my improvements, and certain modifications under which
they may be practically carried out, as applied to a stationary or land boiler;
the cold feed water, as taken from the reservoir or source of supply, is pumped
or otherwise forced in the ordinary way into a pipe or tube governed by a valve
of any suitable construction, which pipe and its valvular arrangement is in
direction communication with a longer pipe or tube or series of connected tubes
which are placed in the actual boiler furnace. This tubing is formed into a
series of arched zig-zags or serpentines, that is to say, it passes horizantally into
the furnace at one side in a straight longitudinal line, and then assumes the
form of a series of crossing and recrossing tubes with suitable connecting
elbows at each side, each line of these crossings or transverse tubes being
arched upwards to afford space for the fuel in the furnace. This arrangement
is continued until the whole of the fuel space in the furnace has been covered
with the tubing, and it then terminates in a straight tube, which is led out of
the furnace on the opposite side to that of the entering line. This exit portion
of the continuous zig-zag or serpentine tube has a valve fitted upon it, and it
passes directly into the steam boiler at a part below the water line. In this
way the furnace acts directly both upon the tubing therein and upon the
bottom of the boiler, as well as upon the water in the boiler through the
intervention of any necessary or suitable flues. The tubing may also be
arranged in coils or in other forms in the furnace, and in place of being over
the fuel it may be actually in the mass of incandescent fuel, but it is preferred
to use it in the arched zig-zag or serpentine form, as being the most convenient
and as not interfering with the ordinary functions of the furnace.
With these arrangements the feed water as supplied to the boiler is con-

page_text: verted into steam, or steam mixed with water, and it thus enters the water in a
superheated or very highly heated condition, and materially aids the generation
of steam in the boiler. As the water leaves the feed pump or supplier in a per-
fectly cold state or in a but slightly warm condition; the pump operates exactly
in the ordinary way, and quite as effectually as if no heating apparatus were
used, there being always a.mass of cold or comparatively cold water interposed.
between the pump and the heating apparatus; the heating tubes are pro-
portioned to the quantity of water evaporated by the boiler in working, so that
the whole of the feed water wil be, if possible, converted into steam prior to
entering the boiler, and hence the steam generating powers of the boiler are
very greatly increased as the hottest portion of the fuel in the furnace operates
directly upon the water in very thin strata as passing through narrow tubes, and
the steam or hot water so produced operates in the most effective manner upon
the boiler water by being at once diffused completely amongst it. Instead of
thus heating the feed water, and passing it either in the form of hot water or
steam, or both, into the body of the boiler, steam itself obtained from a
separate source is used for a similar purpose. For this purpose a separate
supply of steam is raised in a separate small boiler or boilers, and passed thence
through a coil or arrangement of heating pipes in the furnace; the steam is in
this way highly superheated or surcharged with caloric, and as it at once
permeates the mass of water in the boiler, it generates steam with great
rapidity and effect therein. The steam applied in this way may act either in
conjunction with the ordinary furnace of the boiler, as in the case of the use of
*heated feed water, or it may operate upon water in a boiler, which has no
furnace of its own. In this latter case of course the injected steam acts
entirely in the place of fuel.
It is well known that air injected into a high-pressure boiler very greatly
increases the elasticity of the steam being generated, and the present Invention
also comprehends the improvement of the working powers of steam boilers
by using air for a similar purpose, but heated by being first passed through
a coil or arrangement of pipes in the furnace either of the boiler.or an
independent one. In this way the air conveys heat into the water in great
quantity, and it is in itself instrumental in improving the elastic effect. of the
steam.
Having now described and particularly ascertained the nature of my said
Invention, and the manner in which the same is or may be used or carried
into effect, I would observe, in conclusion, that what I consider to be novel
and original, and therefore claim as the Invention secured to me by the
herein-before in part recited Letters Patent, is,-.

page_text: First, the system or mode of generating steam, as herein-before described.
Second, the system or mode of generating steam, wherein the feed water of
steam boilers is caused to flow through coils or arrangements of pipes or tubes
in the furnace of the boiler, or in an independent furnace.
Third, the application and use of highly-heated steam and air, or one of
them, for generating steam by discharging the heated currents directly into
the mass of water in the boiler.
In witness whereof, I, the said Samuel Stephen Bateson, have hereunto
set my hand and seal, this Twenty-ninth day of June, One thousand
eight hundred and fifty-nine.
SAMUEL STEPHEN BATESON. (L.S.)