AN IMPROVED ROTARY GAS OR EXPLOSION ENGINE
Year: 1882

page_text: LETTERS PATENT to John Clayton Mewburn of 169 Fleet Street in the City
of London Patent Agent and Consulting Engineer for an Invention of "AN
IMPROVED ROTARY GAS OR EXPLOSION ENGINE" communicated to him from
abroad by Claude Désiré Goubet of Paris France,
PROVISIONAL SPECIFICATION left by the said John Clayton Mewburn at
the Office of the Commissioners of Patents on the 20th November 1882.
JOHN CLAYTON MEWBURN of 169 Fleet Street in the City of London Patent
Agent and Consulting Engineer, "AN IMPROVED ROTARY GAS OR EXPLOSION
ENGINE [communicated to him from abroad by Claude Désiré Goubet of Paris
France.]
"
This Invention consists of an improved rotary engine worked by the force
produced by successive explosions of any explosive agent such as gas, nitro-
glycerine, dynamite &c. The engine is composed of a cylinder in the heads of
which are spaces for ensuring the circulation of the water necessary for the proper
working of the engine as hereinafter explained. Within the cylinder are wings
formed in a piece therewith; their number and form can be varied according to circum-
stances; for example there may be five and they may be in the form of the tooth of
an internally toothed wheel. At each end of the cylinder a plate or head is fixed by
bolta having countersunk heads and nuts. These plates have arms connecting them
to a pere or boss whose central aperture is lined with a ring of phosphor bronze.
In this nave are five holes communicating with the arms which are hollow and are
in connection with circular spaces in the cylinder heads. The water enters these
hollows through one plate and escapes by the other. One of the plates has an
excentric formed in a piece there with its object being to work the piston rod of a
pressure pump. The other plate carries a weight sliding on a rod and which by
centrifugal action during the working of the engine regulates with the aid of a
spring the introduction of the explosive agent through a valve and therefore acts
the part of a regulator. The cylinder thus mounted on its plates or heads and
having the appearance of a pulley is placed on a supporting shaft seated in bearings
[Price BA

page_text: in the frame of the engine; the parts of the shaft held in the bearings are hexagonal
so as to ensure its immobility. This shaft between the two heads or end plates of
the cylinder forms a support for the installation of the obturators or pistons the
form and number of which can be varied. Its purpose is to ensure the circulation
of water and the introduction of the explosive mixture into the explosion compart-
ments. It is hollow throughout its length and carries within it a cock which is
also hollow as well as its operating spindle which is formed in a piece with the
lever or hand wheel, the latter being regulated by a sector-This cock receives
through the bearing of the frame the mixture contained within the frame and
which has been received from the pressure pump or otherwise. The part which
supports the obturators is arranged so as to ensure the introduction of the mixture
and the circulation of water either in itself or in the obturators. The cock has two
orifices in communication with the mixture channels formed in the supporting shaft.
These orifices allow of the mixture being sent either to the right or to the left of
the obturators. These obturators receive the mixture in their compartments by
openings formed at each side which have no communication with each other and
the directions of which are opposite; this allows of working forwards or backwards
according to the direction given to the cock. A valve shuts in the mixture at each
passage of the obturator. The introduction of the water takes place through the
centre of the obturator shaft which is hollow and has four holes which at every
explosion and at the moment of arrest facilitates the introduction of the water
which escapes by the other side The obturators at the moment of their arrest are
held by a bolt which a roller fixed on each arm of the cylinder head plates
disengages for the passage of the wing of the cylinder. A spring at each disengage-
ment of the bolt moves the obturator in order to obviate the noise which would be
caused by the wing making the obturator turn.
The working of the engine is as follows:-The wing by displacing the obturator
causes the chamber in contact with it to pass before the mixture orifice of the shaft
in communication with it. The mixture then enters the space left free in the
obturator and the ignition by gas, electricity or otherwise is effected. The obturator
being held by its bolt the wing draws the cylinder at the moment of explosion.
This action taking place immediately after at another obturator, the engine is put
into work. The cylinder can serve directly as an organ of transmission or as a
pulley. The same result can be obtained by fixing the cylinder and causing the
shatt to turn.
The following are the principal parts of the engine. The cylinder carrying
within it the rollers whose axes turn in the cylinder heads; these rollers, the
number of which is variable, have for object to lower the obturators. The move-
ment thus given to the obturators allows them to take the necessary mixture by a
suitable channel during the working of the engine. When one of these rollers has
passed over one of the obturators the latter inmediately rises charged or filled with
the mixture and the explosion takes place simultaneously. Springs retain in a
raised position the obturators which are not held by the reversing lover or lever
which changes the direction of the rotation.
The ignition can be effected by a gas flame or preferably by electricity; in this
case the electricity would produce sparks between the different parts of an inter-
rupted conductor contained in a porcelain sheath in each explosion compartment

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said John Clayton Mewburn in the Great Seal Patent Office on the
19th May 1883.
JOHN CLAYTON MEWBURN of 169 Fleet Street in the City of London, Patent
Agent and Consulting Engineer "AN IMPROVED ROTARY GAS OR EXPLOSION
ENGINE (A Communication to me from abroad by Claude Désiré Goubet of
Paris France)
This invention consists of an improved rotary engine worked by the force
produced by successive explosions of any explosive agent such as gas, nitro-
glycerine, dynamite &c. The engine is composed of a cylinder A Figures 1 and 2
in the heads of which are spaces for ensuring the circulation of the water necessary
for the proper working of the engine as hereinafter explained. Within the cylinder
are wings formed in a piece therewith; their number and form can be varied
according to circumstances.
In the arrangement shown in the drawings there are five and they are in the
form of the tooth of an internally toothed wheel. At each end of the cylinder a
plate or head P is fixed by bolts having countersunk heads and nuts. These plates
have arms connecting them to a nave or boss whose central aperture is lined with
a ring of phosphor bronze. In this nave are 5 holes communicating with the arms
which are hollow and are in connection with circular spaces in the cylinder heads.
The water enters these hollows through one plate and escapes by the other. One
of the plates bas an excentric D formed in a piece therewith its object being to
work a pressure pump J by means of the rod G of the piston H. The other plate
carries a weight R sliding on a rod and which by centrifugal action during the
working of the engine regulates with the aid of a spring the introduction of the
explosive agent through a valve and therefore acts the part of a regulator. The
cylinder thus mounted on its plates or heads and having the appearance of a pulley
is placed on a supporting shaft B seated in bearings in the frame of the engine; the
parts of the shaft held in the bearings are hexagonal so as to ensure its immobility.
This shaft between the two heads or end plates P P of the cylinder A forms a
support for the installation of the obturators or pistons the form and number of
which can be varied. Its purpose is to ensure the circulation of water and the
introduction of the explosive mixture into the explosion compartments. It is
hollow throughout its length and carries within it a cock U which is also hollow
as well as its operating spindle which is formed in a piece with the lever or hand
wheel F, the latter being regulated by a sector E. This cock receives through the
bearing of the frame the mixture contained within the frame and which has been
received from the pressure pump or otherwise. The part B which supports the
obturator C is arranged so as to ensure the introduction of the mixture and the
circulation of water either in itself or in the obturators C. The cock U has two
orifices in communication with the mixture channels formed. in the supporting
shaft. These orifices allow of the mixture being sent either to the right or to the
left of the obturators C. These obturators receive the mixture in their compart-
ments by openings formed at each side which have no communication with each
other and the directions of which are opposite; this allows of working forwards
or backwards according to the direction given to the cock. A valve shuts in the
mixture at each passage of the obturator. The introduction of the water takes
place through the centre of the obturator shaft which is hollow and has four holes
which at every explosion and at the moment of arrest facilitates the introduction
of the water which escapes by the other side. The obturators at the moment of
their arrest are held by a bolt which a roller fixed on each arm of the cylinder

page_text: head plates disengages for the passage of the wing of the cylinder. A spring Tat
each disengagement of the bolt moves the obturator in order to obviate the noise
which would be caused by the wing making the obturator turn.
The working of the engine is as follows:-The wing by displacing the obturator C
causes the chamber in contact with it to pass before the mixture orifice of the shaft
in communication with it. The mixture then enters the space left free in the
obturator and the ignition by gas, electricity, or otherwise is effected. The obturator
being held by its bolt the wing draws the cylinder at the moment of the explosion.
This action taking place immediately after at another obturator, the engine is put
into work. The cylinder A can serve directly as an organ of transmission or as a
pulley. The same result can be obtained by fixing the cylinder and causing the
shaft to turn.
Having now described the nature of the said invention as communicated to me
and in what manner the same is to be performed I declare that I claim :--The
improved rotary gas or explosion engine constructed and working as bereinbefore
described with reference to the annexed drawings.
In witness whereof I the said John Clayton Mewburn have hereunto set
my band and seal this nineteenth day of May One thousand eight hundred
and eighty three,
J,
J. C. MEWBURN (L.S.)