Improvements in and relating to Steam Boilers.
Year: 1893

page_text: Date of Application, 23rd Feb., 1893
Complete Specification Left, 4th Nov., 1893-Accepted, 9th Dec., 1893
PROVISIONAL SPECIFICATION.
Improvements in and relating to Steam Boilers.
1, GEORGE WILLIAM HAWKSLEY of the Brightside Boiler Works, Sheffield
in the County of York, Manufacturer, do hereby declare the nature of my invention
to be as follows:-
This invention relates to improvements in steam boilers, and in the arrangement
of the flues for the passage of the heated gases from the fire or fires.
The object of the invention is to obtain increased rapidity of steam generation.
I propose to construct a single or double flue boiler, with or without ordinary
cross tubes and communicating with an upper boiler preferably by two water ways,
which form the supports for the top boiler.
The upper boiler is a multitubular one having any desired number of tubes, above
which is the water line.
The double boiler as above described is set in the following manner, the ends of
the upper and lower boiler open into a chamber so that the flame and heated gases
from the furnace of the lower boiler pass from the chamber into and through the
tubes of the upper boiler from back to front, they are then conducted round both
boilers circumferentially and finally to the chimney flue and stack.
Dated the 21st day of February 1893.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in and relating to Steam Boilers.
I GEORGE WILLIAM HAWKSLEY of the Brightside Boiler Works, Sheffield,
in the County of York, Manufacturer, 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 :-
This invention relates to improvements in steam boilers, and in the arrangement
of the flues for the passage of the heated gases from the fire or fires; the object of
the invention being to obtain increased rapidity of steam generation.
The annexed drawings illustrate my invention as applied to various arrangements
of boiler.
Fig. 1, front elevation of a single flue boiler.
Fig. 2, sectional elevation of same.
Fig. 3, plan through section X X.
Fig. 4, elevation of two flued boiler.
Fig. 5, vertical section.
Fig. 6, plan.
Fig. 7, elevation of three flued boiler.
Fig. 8, vertical section.
Fig. 9, plan.
Fig. 10, elevation of twin single flue boiler.
Fig. 11, vertical section.
Fig. 12, plan.
In carrying out my invention, I manufacture and arrange the improved steam
boilers as illustrated in the drawings either as a single-flue as Figs. 1. 2. 3, a
double flue as Figs. 4. 5. 6, a treble flue as Figs. 7. 8. 9, or a twin boiler as
Figs. 10. 11. 12.

page_text: I construct a boiler A, with the desired number of flues B, (one or more) which
may be provided with cross tubes if desired, above this boiler A, I arrange a
second boiler C, of the multitubular type and connected with the lower boiler by
means of two or more short vertical tubes or water ways D, of sufficient diameter
to permit the passage of a man from one boiler to the other, and which also form
the supports for the upper boiler.
The tubes E, are open at each end and are arranged on each side of the boiler,
leaving a space between them through which a man can pass to the water ways D,
the water line being at a suitable height above the tubes.
There are also the usual fittings of a low water safety valve F, throttle valve G,
water gauges and the like.
The double boiler as above described is arranged so that the flue or flues of the
lower boiler A, and the tubes of the upper one C, open into a chamber H, common
to both, so that the flame and heated gases from the furnace I, of the lower boiler
will pass from this chamber H, into and through the tubes E, of the upper boiler
from the back to the front, they are then induced to pass round the outside under
surface of the boiler C, and circumferentially round the lower boiler A, and finally
to the chimney flue J, the course being indicated by the arrows.
The upper boilers of the twin arrangement shown in Figs. 10. 11. 12, may either
be connected so as to communicate or not as desired.
my
Having now particularly described and ascertained the nature of
tion and in what manner the same is to be performed and carried into practice
said inven-
I declare that what I claim is :-
A steam boiler having one or more flues, connected by short tubular or manhole
water ways with an upper tubular boiler, the tubes of which are arranged in two
sets with a passage between them, the flues of the lower and the tubes of the upper
boiler being in communication through a chamber common to both, and so arranged
that the flame and heated gases will pass from the lower boiler through the tubes of
the upper boiler, then round the shell of the lower before reaching the chimney
flue, substantially as hereinbefore described and illustrated in the various figures of
the drawings.
Dated the 3rd day of November 1893.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.