AN IMPROVEMENT OR IMPROVEMENTS IN THE STEAM ENGINE OR STEAM ENGINE APPARATUS
Year: 1839

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
MOORE, of Broad Weir, in the City of Bristol, Gentleman, send greeting.
WHEREAS Her present Majesty Queen Victoria, by Her Letters Patent
under the Great Seal of the United Kingdom of Great Britain and Ireland,
bearing date at Westminster, the Fifth day of August now last past, did
give and grant unto me, the said John Moore, Her especial licence, full
power, sole. privilege and authority, that I, the said John Moore, my ex-
ecutors, administrators, and assigns, or such others as I, the said John Moore,
my executors, administrators, or assigns, should at any time agree with, and
no others, from time to time and at all times thereafter during the term of
years therein expressed, should and lawfully might make, use, exercise, and vend,
within England, Wales, and the Town of Berwick-upon-Tweed, my Invention
of "AN IMPROVEMENT OR IMPROVEMENTS IN THE STEAM ENGINE OR STEAM ENGINE
APPARATUS;" in which said Letters Patent there is contained a proviso obliging
me, the said John Moore, by an instrument in writing under my hand and
seal, particularly to describe and ascertain the nature of my said Invention,
and in what manner the same is to be performed, and to cause the same to be
inrolled in Her said Majesty's High Court of Chancery within six calendar
months next and immediately after the date of the said recited Letters
Patent, as in and by the same, reference being thereunto had, will more.
fully appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
John Moore, do hereby declare that the nature of my said Invention, and the

page_text: manner in which the same is to be performed, is particularly described and
ascertained by the Drawings hereunto annexed, and the following description
thereof, that is to say:-
My Invention consists in improvements upon certain parts of the rotatory
steam engine; also improvements in the mode of constructing the boiler, and
for generating and condensing steam and feeding the fires.
Description of Parts of my Rotatory Steam Engine.-Fig. 1 is an internal
view, exposed by removing the side, with an end view of the axle. A is the
place where the steam pipe is to be inserted into the hollow axle A¹ (see
Fig. 2); A', part of the hollow axle; A³, steam stop within the hollow axle;
A³, steam exit, being the remainder of the hollow axle (see Fig. 2); A', steam
passage into cylinder; A5, A6, cylinder having an open space in its under side,
the whole distance from box D to box E, of a width equal to the diameter of
steam passage A'; A', a similar cylinder; A', steam passage from cylinder;
A³, flanges attaching A and A' to box D; A° and A, for these see Fig. 2;
B, rim of wheel; B', my patent packing, for which I have already obtained
Letters Patent (see Fig. 2), under A°, the flange of cylinder A6, and beneath
which the wheel revolves; B³, the door move; C, the piston, bolted to the
rim of the wheel, and packed with my patent packing; C', plate screwed to
back of C to secure the packing; D, door box, with inner double-leaved
doors; D³, D³, circular openings equal to the diameters of the cylinders A
and A in the sides of box D, and in the range of the piston's progression, with
an opening at the bottom equal in width to the diameter of the steam passage;
A; D, inner double-leaved door meeting against and covering D', packed
with my patent packing secured to it by plates D* (see Fig. 2); D', spindle
passing through and projecting above and below box D, on which moves one
leaf of the double-leaved door, with a double joint to admit the packing; De
(Fig. 2), spindle passing through and projecting above box D, on which moves
the other leaf of the double-leaved door, as D³; D', D', two slide pieces
attached to the spindles D³ and D (see Fig. 4); D8, D³, two. catches on the
back of each leaf of the door D³, receiving the ends of the slide pieces D', D'
(see Fig. 4); D, D°, two portions of toothed wheel (see Fig. 2 and Fig. 3);
D10, coiled spring attached to spindle D³, and secured to spindle D° (see Fig. 2
and 3); D", piece at bottom of D³; E, door box, nearly opposite D, and in
all respects the same, excepting that it is rather longer and contains F; F, a
lengthening-out piece or portion of cylinder, of the same diameter as A' and
A', but without the side flanges A, and having an end flange F", securing it
to the inner side of box E in continuation of A5.
Fig. 2 is a cross section. lengthways. of the axle. AG (also A in Fio 11

page_text: cylinder, with flanges A; A, A, flanges of A" (A°, Fig. 1, having similar
ones); A1, A2, two rings secured to the flanges A to confine the packing
placed between them; B, width of wheel. The parts on each side shaded
shew the breadth of wheel revolving beneath, and in contact with the packing,
which projects beyond, and is secured by the rings A to the flanges Aº.
Fig. 3 is an end view of the engine placed in its frame G, the letters and
numbers referring to the same parts as the corresponding letters and numbers
in the other Figures.
Description of the Action.-The steam enters the cylinder A³ through the
hollow axle A' and the steam passage A', and pressing against the double-
leaved doors in box E, and against the piston C, it moves C through A³ up to
the double-leaved door in box D. When the door move B³ opens one leaf
by pressing against the piece D", at the bottom of and turning the spindle D',
which, by means of the portions of toothed wheels D, D³, simultaneously opens
the other leaf, and immediately on the passing of the piston the leaves close
by the force of the coiled spring. The piston then passes through A, and the
double-leaved door in the other box E opens, in like manner, by the pressure
of the door move B, admitting the piston into the box E, and through F again
into the cylinder A, thus completing the first revolution, in which the advance
of the piston through A³ drove the air in A through the steam passage A'
into the steam exit A³, and as the piston proceeded through A it drove the
steam in A in like manner through the steam passage A' into the steam
exit As, while A remains filled with steam, to be driven out at the next
revolution by the advance of the piston. The application of the power will be
from the axle.
.
My improvement in the boiler consists in the mode of rivetting the plates.
Fig. 5 shews section of two plates H, H, fastened by rivetting a strip of sheet
iron I on each side of them by the rivets K, K. Fig. 6 shews a boiler
rivetted in this way, the same letters referring to the same parts as in
Fig. 5.
Description of my Improvement in Generating Steam.-Fig. 6, side view.
L, tube or pipe, the upper end fixed into the boiler H, the lower end flanged
into the pipe L', and stopped at the end L*; L, L, L³, three bent pipes, or
more or fewer, communicating from L' to L; L', pipe stopped at the end L',
and flanged to L; L, flanged to L, and fixed in the boiler H.
Fig. 7, front view of the boiler and tubes described in Fig. 6, the same
letters and numbers referring to the same parts.
Description of the Action.-The water, passing out of the boiler H (Fig. 6)
through the tube L into L', rises through the tubes L³ into L' and L* to the

page_text: level of the water in the boiler, and the steam generated in the pipes or tubes
passes through L' into the upper part of the boiler H; the same letters and
numbers referring to the same parts in Figs. 6 and 7.
Description of my Improvement for Condensing Steam.-Fig. 8, side view;
Fig. 9, end view. M, tube or pipe, stopped at the end M', communicates
through the three bent pipes M³, M³, M³, more or fewer, with the tube M³,
stopped at the end M*, and open at M³ for the passage of the condensed
steam.
Action of the above.-The steam passes into the tube M from the education
pipe, and descends through the pipes M' into the tube M³, passing off
condensed at the open end Mo.
My Improvement for Feeding Fires.--Fig. 10 is a front view of the fire-
place; and N, circular apertures. Fig. 6 is a sectional front view; N', semi-
cular hollow bars. Fig. 7 is a side view, shewing the semicircular bars N¹
lengthways; N, N*, N2, three common bars, more or fewer, supporting and
attached to the bars N'. Fig. 11, the feeder or scoop; O, semicircular tube;
O', the handle. Fig. 12, section of the feeder or scoop mode of action. The
feeder or scoop O is filled with coal, and introduced into one of the circular
apertures N in the front, and passed within one of the semicircular bars N',
beneath the burning coals, up to the back of the fireplace. It is then
turned half round, so as to empty its contents into the hollow semicircular
bar N', and then withdrawn, and so with the other hollow bars N¹.
I claim the use of the double doors, the plan of opening them by two
portions of toothed wheels, the spring for closing them, the lengthening-out
piece, and the formation of the cylinders, including the two rings for affixing
the packing to the cylinders; also of my mode of uniting plates of iron, or
other metal, by the rivetting of metal bands or strips; also of my mode of
generating steam by means of the pipe L³ communicating with the pipes L'
and L; also of my mode of condensing steam by the pipes M² communicating
with the pipes M and M.; also of my mode of feeding fires by the placing
fresh coals between the bars of the fireplace and the burning coals by means
of the scoop, Fig. 11, either with or without the use of semicircular hollow bars.
I do not confine myself to the specific proportions herein shewn, but the same
may be varied as circumstances may require.
In witness whereof, I, the said John Moore, have hereunto set my
hand and seal, this Twenty-ninth day of January, in the year of our
Lord One thousand eight hundred and forty.
JOHN MOORE. (L.S.).

page_text: AND BE IT REMEMBERED, that on the same Twenty-ninth day of
January, in the year above mentioned, the aforesaid John Moore came before
our Lady the Queen in Her Chancery, and acknowledged the Specification
aforesaid, and all and every thing therein contained, in form above written.
And also the Specification aforesaid was stamped according to the tenor of
the Statute in that case made and provided.
Inrolled the same Twenty-ninth of January, in the year above written.