IMPROVEMENTS IN THE MODE OF AND APPARATUS FOR OBTAINING AND APPLYING MOTIVE POWER
Year: 1865

page_text: LETTERS PATENT to Stanislas Pokutynski, Gentleman, and Michel
Mycielski, Count, of the Kingdom of Poland, now of No. 18, Rue de
l'Echiquier, Paris, in the Empire of France, for the Invention of
"IMPROVEMENTS IN THE MODE OF AND APPARATUS FOR OBTAINING AND
APPLYING MOTIVE POWER."
Sealed the 31st October 1865, and dated the 10th May 1865.
PROVISIONAL SPECIFICATION left by the said Stanislas Pokutynski and
Michel Mycielski at the Office of the Commissioners of Patents, with
their Petition, on the 10th May 1865.
We, STANISLAS POKUTYNSKI, Gentleman, and MICHEL MYCIELSKI, Count,
of the Kingdom of Poland, now of No. 18, Rue de l'Echiquier, Paris, in the
Empire of France, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN THE MODE OP AND APPARATUS FOR OBTAINING AND APPLYING
MOTIVE POWER," to be as follows:-
The object of this Invention is to obtain increased power from the pistons
of steam engines of all kinds, whether horizontal or vertical, fixed or movable,
marine or otherwise; and at the same time reduce the dimensions of the
cylinders in which they work, and by this means economising both steam and
fuel. The piston rod we make use of is so constructed as to be capable of
extension and contraction; this is effected by connecting it with several pieces

page_text: hinge-jointed together; in short, having the exact form and construction of
the well-known instruments called lazy-tongs, the effect being to obtain a
stroke twice or three times the length of the piston, by which means a longer
lever can be employed. The lever is attached in the usual manner to the
driving wheel, the other free end is connected with the jointed piston rod
above mentioned, so that when the jointed rods are fully extended at the full
stroke, on making the return they gradually contract.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Stanislas Pokutynski and Michel Mycielski in the Great Seal
Patent Office on the 8th November 1865.
TO ALL TO WHOM THESE PRESENTS SHALL COME, we, STANISLAS
POKUTYNSKI, Gentleman, and MICHEL MYCIELSKI, Count, of the Kingdom of
Poland, now of No. 18, Rue de l'Echiquier, Paris, in the Empire of France,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Tenth day of May, in the year of our Lord One
thousand eight hundred and sixty-five, in the twenty-ninth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto us,
the said Stanislas Pokutynski and Michel Mycielski, Her special licence that
we, the said Stanislas Pokutynski and Michel Mycielski, our executors, admi-
nistrators, and assigns, or such others as we, the said Stanislas Pokutynski and
Michel Mycielski, 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
THE MODE OF AND APPARATUS FOR OBTAINING AND APPLYING MOTIVE POWER,"
upon the condition (amongst others) that we, the said Stanislas Pokutynski
and Michel Mycielski, our executors or administrators, by an instrument in
writing under our, or their, or one of their hands and seals, 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 we, the said Stanislas Pokutynski and Michel
Mycielski, do hereby declare the nature of our said Invention, and in what

page_text: manner the same is to be performed, to be particularly described and
ascertained in and by the following statement and accompanying Drawings,
that is to say:-
The object of our Invention is to obtain increased power from the pistons
of steam engines, whether horizontal or vertical, fixed or movable, marine or
otherwise; and at the same time reduce the dimensions of the cylinders in
which they work, and by this means economising both steam and fuel. The
piston rod we make use of is so constructed as to be capable of extension and
contraction; this is effected by connecting it with several pieces hinge-jointed
together; in short, having the exact form and construction of the well-known
instruments called lazy-tongs, the effect being to obtain a stroke twice or
three times the length of the piston, by which means a longer lever can be
employed. The lever is attached in the usual manner to the driving wheel;
the other free end is connected with the jointed piston rod above mentioned,
so that when the jointed rods are fully extended at the full stroke, on making
the return they gradually contract.
The following description, aided by reference to the accompanying Drawings,
will explain the way in which this is carried into effect.
Fig. 1 represents a small steam engine having our system of piston with
connecting rods, the parts not lettered being unchanged and well known in
machines of this description. A is the boiler; B, the cylinder; C, the piston
rod; D and E, the two cross pieces or arms of the confecting rod, one end
attached at F and the other to the crank arm G, which puts in movement the
fly wheel H. It will be readily understood that the longer the crank arm G
is the greater is the power of the connecting rod to drive the fly wheel H, the
said crank arm acting as a lever of the third order, that is, forming an arm
more or less long, and so facilitating the passage over the dead point, the
resistance being diminished relatively to the length of the lever or crank
arm G; this is shewn by the dotted lines, see Fig. 1. The extension of the
arms D, E, is effected by the connecting rod L, one extremity being connected
with the piston rod C, the other being attached to the point where the arms D
and E cross each other; this arrangement of piston rod is capable of adaptation
to every description of machine.
Fig. 2 represents the piston of a horizontal machine so furnished; Fig. 3 is
a plan of the same arrangement.
I is a frame in which the bearings J are fixed, having the arms D and E
secured by a pin or bolt passing through them; two or more movable bearings K
run in the frame I, so that the backward and forward stroke of the piston rod
shortens or lengthens the jointed armis, so as to cause the revolution of the

page_text: crank arm of the fly wheel; M being a connecting rod attached to a pin on
the fly wheel or to a crank arm similar to G, Fig. 1. The distance of the
stroke, which in Fig. 1 is fixed by the lever L, is in this case determined by
the fixed bearings or block J.
Fig. 4 represents the connecting rod formed alternately of two arms D and
one arm E secured by bolts. The stop which causes the extension of the arms
is similar to the connecting rod L of Fig. 1, or to the fixed block or bearings J
of Fig. 2. Thus it will be seen that the connecting rod is, as it were, formed
of two arms, each arm consisting of four, five, or six joints articulating with
each other, the centre of each joint being pivoted to the centre of the cor-
responding joint, a small arm or lever causing the backward and forward
stroke, as above shewn.
Having thus described our Invention, what we claim and desire to secure
by Letters Patent is, the above-described system of connecting rods, by which
an increase of twice or three times the length of stroke is obtained from the
piston rod, the accompanying Drawings showing the adaptation of our system
to both vertical and horizontal machines.
In witness whereof, we, the said Stanislas Pokutynski and Michel
Mycielski, bave hereunto set our hands and seals, this Seventh day
of November, in the year of our Lord One thousand eight hundred
and sixty-five.
Witness,
J. CLAES,
STANISLAS POKUTYNSKI.
(L.S.)
LE COMTE MICHEL MYCIELSKI.. (L.S.).
Civil Engineer,
18, Rue de l'Echiquier,
Paris.