Improvements in Means for Propelling Vessels.
Year: 1892

page_text: Date of Application, 5th Sept., 1892
Complete Specification Left, 2nd June, 1893-Accepted, 8th July, 1893
PROVISIONAL SPECIFICATION.
Improvements in Means for Propelling Vessels.
I, CLAUDE KENNEDY MILLS, of 23 Southampton Buildings, in the County of
Middlesex, Patent Agent, do hereby declare the nature of this invention (a com-
munication to me from Charles Stuart Merritt, of Tassin (Rhone), Gentleman,
François Jean Maric Magnin, commonly called Joanny Magnin, of 16 Ruc
Hippolyte-Flandrin, Lyons, Civil Engineer, and Jean Joseph Lavinaud, of
24 Rue Godefroy, Lyons, Professor, all in the Republic of France), to be as
follows:-
The system of propulsion forming the subject of the present application is
characterized by the division of the motive power between several independent
propellors situated upon the sides of the vessel between the load water line and the
keel in such position as never to leave the water when the vessel is either pitching
or rolling.
The propellors are helicoidal surfaces, either continuous or divided into segments,
the pitch and diameter of which will vary according to the speed to be obtained
and the form of the vessels to which this system will be applied.
These propellors are of an even number arranged in symmetrical couples with
regard to the longitudinal axis of the vessel. The pairs of propelling apparatus
may work together or separately, and in each pair the screws, being independent
one from the other, may work together when travelling forward or backward, or
separately and in contrary directions to steer or turn the vessel, which can thus be
effected in a very small space.
This system will permit a higher speed to be obtained than hitherto with less
combustion of fuel, and will facilitate in a large measure the manoeuvring and the
steering of the vessel.
The accompanying drawing is a diagram showing, to a scale of about one five
hundredth, the application of this system to a large steam packet.
Figure 1 is a longitudinal elevation and Figure 2 is a section on the line
Figure 1.
ay of
The six propellors P P form three symmetrical couples with regard to the longi-
tudinal axis of the vessel; they are placed in longitudinal depressions arranged in
the hull near to the keel; they are thus sheltered from blows when colliding and
always remain under water. Each of them is driven by a special motor M so as to
obtain independent driving which facilitates manoeuvring and steering. It will be
well understood that the number of pairs of propellors may be augmented or
diminished according to the dimensions of the vessel and the speed desired.
Dated this 5th day of September 1892.
CLAUDE K. MILLS,
By Harris & Mills,
23, Southampton Buildings, London, W.C., Agents.
COMPLETE SPECIFICATION.
Improvements in Means for Propelling Vessels.
I, CLAUDE KENNEDY MILLS, of 23 Southampton Buildings in the County of
Middlesex, Patent Agent, do hereby declare the nature of this invention, a com-
munication to me from Charles Stuart Merritt of Tassin (Rhone) Gentleman,
François Jean Marie Magnin commonly called Joanny Magnin, of 16 Rue
Hippolyte-Flandrin, Lyons, Civil Engineer and Jean Joseph Lavinaud of
Price R71

page_text: 24 Rue Godefroy, Lyons, Professor all in the Republic of France, and in what
manner the same is to be performed to be particularly described and ascertained
in and by the following statement, reference being had to the drawings accom-
panying my Provisional Specification :-
The system of propulsion forming the subject of the present application is
characterized by the division of the motive power between several independent
propellers situated upon the sides of the vessel between the load water line and the
keel in such position as never to leave the water when the vessel is either pitching
or rolling.
The propellors are helicoidal surfaces either continuous or divided into segments,
the pitch and diameter of which will vary according to the speed to be obtained and
the form of the vessels to which this system will be applied."
These propellors are of an even number arranged in couples symmetrical with
regard to the longitudinal axis of the vessel. The pairs of propelling apparatus
may work together or separately, and in each pair the screws, being independent
one from the other, may work together when travelling forward or backward, or
separately and in contrary directions to steer or turn the vessel, which can thus be
effected in a very small space.
This system will permit a higher speed to be obtained than hitherto with a
smaller consumption of fuel and will facilitate in a large measure the manoeuvring
and the steering of the vessel.
The drawing accompanying my Provisional Specification is a diagram showing to
a scale of about one five hundredth the application of this system to a large steam
boat.
Figure 1 is a longitudinal elevation and Figure 2 is a section on the line y of
Figure 1.
The six propellors P P form three couples symmetrical with regard to the longi-
tudinal axis of the vessel, they are placed in longitudinal depressions arranged in
the hull near to the keel, they are thus protected from blows arising from collision
with any object and always remain under water.
Each of them is driven by a special motor M, so as to obtain independent driving
which facilitates manoeuvring and steering. It will be well understood that the
number of pairs of propellors may be augmented or diminished according to the
dimensions of the vessel and the speed desired.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what 1
claim is :-
-
The system of propulsion above described, consisting in dividing the motive
power between an even number of independent helicoidal propellors, arranged
symmetrically on each side of the longitudinal axis of the vessel substantially as
herein described.
CLAUDE K. MILLS,
By Harris & Mills,
23, Southampton Buildings, London, W.C., Agents.