A ROTARY ENGINE FOR THE PURPOSE OF COM- MUNICATING MOTION BY MEANS OF STEAM OR OTHER GASEOUS MEDIA
Year: 1823

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, THOMAS
PEEL, of Manchester, in the County Palatine of Lancaster, Esquire, send
greeting.
WHEREAS His most Excellent Majesty King George the Fourth did, by
His Letters Patent under the Great Seal of His United Kingdom, bearing
date at Westminster, the Twenty-seventh day of May, 1823, in the Fourth
year of His reign, give and grant unto me, the said Thomas Peel, my exors,
adiñors, and assigns, His especial licence, full power, sole privilege and
authority, that I, the said Thomas Peel, my exors, adñiors, and assigns,
during the term of years therein mentioned, should and lawfully might
make, use, exercise, and vend, within England, Wales, and the Town of
Berwick-upon-Tweed, and also in all His Majesty's Colonies and Planta-
tions abroad, my Invention of "A ROTARY ENGINE FOR THE PURPOSE OF COM-
MUNICATING MOTION BY MEANS OF STEAM OR OTHER GASEOUS MEDIA;" in which
said Letters Patent there is contained a proviso, that if I, the said Thomas
Peel, shall not particularly describe and ascertain the the nature of my
said Invention, and in what manner the same is to be performed, by an
instrument in writing under my hand and seal, and cause the same to be
inrolled in His Majesty's High Court of Chancery within six calendar months
next and immediately after the date of the said Letters Patent, that then
the said Letters Patent, and all liberties and advantages whatsoever thereby
granted, shall utterly cease, determine, and become void, as in and by the
same, relation being thereunto had, will more fully and at large appear.

page_text: NOW KNOW YE, that in compliance with the said proviso, I, the said
Thomas Peel, do hereby declare the nature of my said Invention to consist in a
Rotary Engine for the Purpose of Communicating Motion by Means of Steam
or other Gaseous Media; and I do hereby describe the manner in which I
perform the same by the following description thereof, reference being had to
the Drawings and Figures annexed, that is to say :-
DISCRIPTION OF THE DRAWING.
Figure 1 is a longitudinal section of my said Invention. B is a common
steam boiler; S is a stuffing box; C is a steam cock; D is the rotary shaft;
E, E, are two hollow cylinders, forming spokes, as it were, to a large fly-wheel,
of which R represents the rim. The paper not being large enough to admit
these cylinders or spokes to be drawn of the full size, in this Figure they are
shewn as broken in the centre. These cylinders, it will be seen, are furnished
with a slide G, at their outer extremity, for the purpose of diminishing or
increasing the escape of steam. H is a groove turned or cast on the shaft D,
and may be termed the axis of the shaft, which axis is supported under it by a
bearing placed under it. K is a cog wheel fixed on the end of the shaft D,
and is the immediate communication of motion from the engine. It will be
seen by this arrangement, that when the steam from the boiler is turned into
the hollow shaft D, by means of the steam cock C, it will rush then into the
hollow cylinders or spokes E, E, and, making its escape at one side of the said
spokes, the pressure from within will be therby in part removed from that side
of them, whilst its action on the other sides, which remains undiminished, will
preponderate and give motion in a rotary direction to the shaft D and the cog
wheel K. The quantity of steam that is allowed to escape at the said sides of
the said spokes, and the consequent power given to the same is regulated by
the slide G, one of which is placed at the side, and nearly at the end of each
spoke.
Figure 2 is a side elevation of my said Invention, drawn to a smaller scale
than the last Figure, and shewing the bearing or support on which the axis
of the shaft D rests and turns.
Figure 3 is an enlarged view of one end of one of the hollow cylinders or
spokes, showing more distinctly the nature of the said slide.
Figure 4 is a front elevation of my said Invention, showing the rim R con-
nected to the hollow cylinders or spokes, and thus forming the said wheel
herein-before described. This Figure also represents the bearing of or support
for the axis of the shaft D.
Now, a steam engine boiler is no part of my said Invention, and is merely

page_text: shown in the Drawing and Figures annexed for the purposes of elucidation;
but a hollow shaft so arranged, with a stuffing box, axis, bearing or support
for the said axis, hollow cylinders or spokes, rim, cock, and slides, for the
purpose of communicating motion by means of steam obtained from a com-
mon steam boiler, as shown in the Drawing and Figures annexed, or by means
of other gaseous media obtained by other means, introduced into the said shaft
as aforesaid, being, to the best of my knowledge and belief, entirely new, and
never before practised in these kingdoms, I do hereby declare this to be my
Specification of the same, and that I do verily believe this said Specification
doth in all respects, fully and without disguise or reserve, comply with the said
proviso in the said in part recited Letters Patent contained; and I do hereby
intend to maintain an exclusive right and privilege to the same.
In witness whereof, I, the said Thomas Peel, have hereunto set my
hand and seal, this Twenty-second day of November, in the year of
our Lord One thousand eight hundred and twenty-three.
THOMAS (L.S.) PEEL.
AND BE IT REMEMBERED, that on the Twenty-second day of Novem
ber, in the year of our Lord 1823, the aforesaid Thomas Peel came before ou
said Lord the King in His Chancery, and acknowledged the Specification
aforesaid (the erasure in the nineteenth line and the interlineation between
the eighteenth and nineteenth lines having been first made), and all and every
therein contained and specified, in form above written. And also the Specifi
cation aforesaid was stampt according to the tenor of the Statute made for
that purpose.
Inrolled the Twenty-fifth day of November, in the year of our Lord
One thousand eight hundred and twenty-three.