IMPROVEMENTS IN STEAM ENGINES
Year: 1859

page_text: LETTERS PATENT to Thomas Barnett, of Oldham, in the County of
Lancaster, Henry Turner Sourbuts, and William Loynd, of Hyde, in the
County of Chester, Engineers, for the Invention of "IMPROVEMENTS IN
STEAM ENGINES."
Sealed the 7th October 1859, and dated the 9th April 1859.
PROVISIONAL SPECIFICATION left by the said Thomas Barnett, Henry
Turner Sourbuts, and William Loynd at the Office of the Commissioners
of Patents, with their Petition, on the 9th April 1859.
We, THOMAS BARNETT, of Oldham, in the County, of Lancaster, HENRY
TURNER SOURBUTS, and WILLIAM LOYND, of Hyde, in the County of Chester,
Engineers, do hereby declare the nature of the said Invention for "IMPROVE-
MENTS IN STEAM ENGINES," to be as follows:-
Our improvements relate to a method of supplying water to the boiler at a
higher temperature than is at present obtained. The ordinary condenser is
connected to the exhaust pipe, which latter is extended below the aperture to
the condenser, and terminates in a vessel which may be denominated an
additional condenser or receiver, which is furnished at any convenient position
with a pipe for the supply of cold water, so that a portion of the exhaust
steam shall enter the additional condenser, which, being of small capacity,
allows the water to maintain its heat at a higher temperature than is desired

page_text: in the ordinary condenser. The water from the additional condenser passes to
the under side of a small air pump, which lifts the water to the valve box of
an ordinary feed pump which forces the heated water to the boiler, thus
obtaining a great economy in working.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Thomas Barnett, Henry Turner Sourbuts, and William
Loynd in the Great Seal Patent Office on the 8th October 1859.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, THOMAS
BARNETT, of Oldham, in the County of Lancaster, HENRY TURNER SOUR BUTS,
and WILLIAM LOYND, of Hyde, in the County of Chester, Engineers, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, hearing date the Ninth day of April, in the year of our Lord
One thousand eight hundred and fifty-nine, in the twenty-second year of Ifer
reign, did, for Herself, Her heirs and successors, give and graut unto us,
the said Thomas Barnett, Henry Turuer Sourbuts, and William Loynd, Her
special licence that we, the said Thomas Barnett, Henry Turner Sourbuts,
and William Loynd, our executors, administrators, and assigns, or such others
as we, the said Thomas Barnett, Henry Turner Sourbuts, and William Loynd,
our executors, administrators, and assigns, should at any time agree with,
and no others, from time to time and at 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 STEAM ENGINES," upon
the condition (amongst others) that we, the said Thomas Barnett, Henry
Turner Sourbuts, and William Loynd, by an instrument in writing under
our hands and seals, or under the hand and seal of one or more of us, should
particularly describe and ascertain the nature of our 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 imme-
diately after the date of the said Letters Patent.
NOW KNOW YE, that we, the said Thomas Barnett, Henry Turner
Sourbuts, and William Loynd, do hereby declare the nature of our said
Invention, and the manner in which the same is to be performed, to be par-
ticularly described and ascertained in and by the following statement (that
is to say):

page_text: Our Invention relates to an improved method of supplying the feed water to
steam boilers at a higher temperature than has hitherto been obtained. The
exhaust pipe of the steam engine is formed so as to extend below the aperture
leading to the ordinary condenser, and terminates in a small vessel employed
as a separate condenser. A portion of the ordinary injection water is thrown
through a number of small jets into the exhaust pipe, in order that it may
come in contact with the exhaust steam immediately on its leaving the steam
cylinder, and thus absorb a large portion of its heat before it enters the
ordinary condenser. The water so injected, together with the water from the
steam it has condensed, passes at a high temperature into the separate small
condenser, from which the boiler is supplied with the requisite quantity of feed
water at this increased temperature, a small bucket or air pump being
employed to lift the heated water to the ordinary force pump by which it is.
forced into the boiler.
:
These improvements will be clearly understood by referring to the letters
and figures on the accompanying Sheet of Drawings, in which Figs. 1 and 2
are side elevations, shewing parts in section of our improved apparatus for
supplying steam boilers with heated feed water; and Fig. 3, a plan of the
same. a represents the exhaust pipe of the steam engine; b, the ordinary
condenser; c, part of the air pump connected with it; and d, the ordinary
force pump.
At the upper part of tlie exhaust pipe is the small injection
pipe e, furnished with holes or jets through which cold water passes, and
comes in contact with the exhaust steam immediately after leaving the
cylinder, which water, with the steam it has condensed, falls into the vessel 'or
separate small condenser f, having in its interior the dish or basin g, for the
purpose of preventing the water from getting out by the action of the vacuum
of the ordinary condenser. The water, enters at a high degree of temperature,
and is employed as heated feed water for the boiler by its passing through the
pipe h to the clack box i of a small bucket pump k, which pump raises the
water to the clack box of the ordinary force pump d, by which it is forced as
required into thic boiler.
By the employment of the aforesaid arrangement we obtain several im-
portant advantages, such as economy of fuel, an improved vacuum, a greater
regularity in the pressure of the steam, an avoidance of undue expansion
and contraction of the boiler, and also a great diminution of deposit and
incrustation.
'
Having thus fully described the nature of our said Invention, and tho
manner in which the same is to be performed, we desire it to be distinctly
understood that we do not confine ourselves to the precise details herein set

page_text: forth, as such may be varied or modifiod without departing from the principle
thereof; but we claim as our Invention, and which, to the best of our know-
ledge and belief, has not been hitherto used within the realm,-
Firstly, the construction and application to the exhaust pipe of steam
engines of a small separate condenser, having in its interior a dish or basin to
prevent the return of the water.
And, secondly, the employment of a bucket or air pump for lifting the heated
water from the separate condenser to the clacks of the ordinary force pump,
as such improvements are herein described and illustrated in the accompanying
Sheet of Drawings.
In witness whereof, I, the said Henry Turner Sourbuts, for and on
behalf of myself and the said Thomas Barnett and William Loynd,
have hereunto set my hand and seal, this Sixth day of October, in
the year of our Lord One thousand eight hundred and fifty-nine.
HENRY TURNER SOURBUTS. (L.S.)
Signed, sealed, and delivered by the within-
named Henry Turner Sourbuts in the
presence of
E. J. IIUGHES, Patent Agent,
Manchester.