Improvements in or relating to Propellers, Turbines, and similar Apparatus, and the Method of Driving the same.
Year: 1898

page_text: Date of Application, 23rd May, 1898-Accepted, 23rd May, 1899
CUMI ULIE DI MULTICATION.
Improvements in or relating to Propellers, Turbines, and similar
Apparatus, and the Method of Driving the same.
We, FRANS OSKAR PETTERSSON, Mechanic, of 10, Agnegatan, Stockholm, and
CARL FRANC, Engineer, of 19; Lilla Vattugatan, Stockholm, both in the Kingdom
of Sweden, do hereby declare the nature of this invention and in what manner
the same is to be performed, to be particularly described and ascertained in and
by the following statement:
-
This invention relates to a method and apparatus for giving a rotatory motion
to propellers, turbines, and the like, by means of a current of air set up and
assisted by a jet of steam, whereby the ordinary mechanism for transmitting the
effect of the steam to the rotating parts is done away with.
In the accompanying drawing, the invention is, by way of example, shown as
adapted to the direct driving of a propeller. Fig. 1 is a longitudinal section of
the propeller and the parts for conducting the air and steam. Fig. II shows,
in two parts, the tubular parts seen from above. Fig. III is a front view of the
propeller. Figs. IV, V and VI are sections on the lines --, y-y and -- of
Fig. II. Fig. VII is a modification of the device shown in the preceding figures,
Figure VIII is a cross section on the line a-a, Fig. VII.
In Figs. I to VI the propeller, 1, is loosely fitted on its axle 2. Into this
axle are introduced two pipes 3 and 4, each opening in one or more orifices 5
and 6 in the axle or shaft, and communicating with curved or inclined passages 7
and 8 through the blades of the propeller and opening along the edges or sides
of said blades.
The pipes 3 and 4 communicate at their ends with a tubular part 10, into which
steam enters from a steam-generator or boiler through an injector 11. For this
purpose the end of the pipe 10 is preferably funnel-shaped, or the pipe cau be
connected directly to the boiler, in which case it will be supplied with funnel-
shaped aspirators. By means of these aspirators, air is drawn and carried along
by the steam entering the pipe 10 or passing through it. In both cases the
supply of steam to either of the pipes 3 and 4 is regulated by means of a common
cock 9, or these two pipes may each be supplied with a cock.
In Fig. VII the propeller is fastened to its shaft 2, the flanged end of which
abuts against and is secured to the ends of the two pipes 3 and 4. One of these
pipes, 4, may be contrally arranged and communicate with an opening 4" in the
shaft 2, from which a set or series of passages, S, extend through the blades of
the propeller. The other pipe, 3, communicates with openings nearer the
periphery of the shaft, communicating with another set or series of passages 7
in the propeller-blades.
The device works in the following manner:--
According to whether the propeller is to be set in motion in one or the other
direction, the steam and the air drawn along with it, are conducted through the
one or the other series of passages, setting the propeller in rotation during their
passage through the passages in the propeller-blades and their escape through
the outlets of these passages.

page_text: The invention can be applied to various kinds of motors, turbines, and the
like.
If the motor is to be run continually in the same direction, one of the pipes 3
or 4 as well as the cock, can be omitted and other details may be modified
accordingly.
The principle upon which the invention is based consists in employing the
energy of the steam for carrying with it a considerable quantity of air which,
passing through the passages, in the blades serves to run the propeller, turbine
or motor.
After the steam has brought about this effect it is mostly condensed, and is
carried along by the air in the form of water.
Having now particularly described and ascertained the nature of this
invention and in what manner the same is to be performed, I declare that what
I claim is:-
1. The method of driving propellers turbines and the like by means of a
current of air set in motion and carried along by steam and passing through
passages in the blades of the propeller turbine or the like.
2. Means for carrying out the method set forth in Claim 1 comprising propeller
blades provided with passages communicating with a pipe (10) in whose outer,
enlarged orifice a steam injector is introduced in order that the steam entering the
pipe through the injector may draw with it a current of air which will cause the
propeller to rotate.
3. In apparatus of the character described a propeller or turbine rotatably
journalled on its axle (2) through which are introduced pipes (3, 4) communicating
with passages extending through the blades of the propeller the passages opening
at the one end in the nave of the propeller and at the other end on the edges
or sides of said blades substantially as described.
4. In apparatus of the character described a propeller or turbine fastened to
its axle which communicates with a pipe surrounding the pipes (3, 4) for the
current of air and communicating with passages extending through the blades
substantially as described.
5. The combination and arrangement of parts constituting the complete propeller
mechanism substantially as described or illustrated in Figure 1 or in Figure 7 of
the accompanying drawings.

page_text: Date of Application, 23rd May, 1898-Accepted, 23rd May, 1899
Improvements in or relating to Propellers, Turbines, and similar
Apparatus, and the Method of Driving the same.
We, FRANS OSKAR PETTERSSON, Mechanic, of 10, Agnegatan, Stockholm, and
CARL FRANC, Engineer, of 19, Lilla Vattugatan, Stockholm, both in the Kingdom
of Sweden, do hereby declare the nature of this invention and in what manner
the same is to be performed, to be particularly described and ascertained in and
by the following statement:-
This invention relates to a method and apparatus for giving a rotatory motion
to propellers, turbines, and the like, by means of a current of air set up and
assisted by a jet of steam, whereby the ordinary mechanism for transmitting the
effect of the steam to the rotating parts is done away with.
In the accompanying drawing, the invention is, by way of example, shown as
adapted to the direct driving of a propeller. Fig. 1 is a longitudinal section of
the propeller and the parts for conducting the air and steam. Fig. II shows,
in two parts, the tubular parts seen from above. Fig. III is a front view of the
propeller. Figs. IV, V and VI are sections on the lines x-x, y-y and z-z of
Fig. II. Fig. VII is a modification of the device shown in the preceding figures,
Figure VIII is a cross section on the line a-a, Fig. VII.
In Figs. I to VI the propeller, 1, is loosely fitted on its axle 2. Into this
axle are introduced two pipes 3 and 4. each opening in one or more orifices 5
and 6 in the axle or shaft, and communicating with curved or inclined passages 7
and 8 through the blades of the propeller and opening along the edges or sides
of said blades.
The pipes 3 and 4 communicate at their ends with a tubular part 10, into which
steam enters from a steam-generator or boiler through an injector 11. For this
purpose the end of. the pipe 10 is preferably funnel-shaped, or the pipe can be
connected directly to the boiler. in which case it will be supplied with funnel-
shaped aspirators. By means of these aspirators, air is drawn and carried along
by the steam entering the pine 10 or passing through it. In both cases the
supply of steam to either of the pipes 3 and 4 is regulated by means of a common
cock 9. or these two pipes may each be supplied with a cock.
In Fig. VII the propeller is fastened to its shaft 2. the flanged end of which
abuts against and is secured to the ends of the two pipes 3 and 4. One of these
pipes, 4, may be centrally arranged and communicate with an opening 4* in the
shaft 2, from which a set or series of passages, 8. extend through the blades of
the propeller. The other pipe, 3. communicates with openings 3* nearer the
periphery of the shaft. communicating with another set or series of passages 7
in the propeller-blades.
The device works in the following manner :-
According to whether the propeller is to be set in motion in one or the other
direction, the steam and the air drawn along with it. are conducted through the
one or the other series of passages. setting the propeller in rotation during their
passage through the passages in the propeller-blades and their escape through
the outlets of these passages,

page_text: The invention can be applied to various kinds of motors, turbines, and the
like.
If the motor is to be run continually in the same direction, one of the pipes 3
or 4 as well as the cock, can be omitted and other details may be modified
accordingly.
The principle upon which the invention is based consists in employing the
energy of the steam for carrying with it a considerable quantity of air which,
passing through the passages, in the blades serves to run the propeller, turbine
or motor.
After the steam has brought about this effect it is mostly condensed, and is
carried along by the air in the form of water.
Having now particularly described and ascertained the nature of this
invention and in what manner the same is to be performed, I declare that what
I claim is-
1. The method of driving propellers turbines and the like by means of a
current of air set in motion and carried along by steam and passing through
passages in the blades of the propeller turbine or the like.
2. Means for carrying out the method set forth in Claim 1 comprising propeller
blades provided with passages communicating with a pipe (10) in whose outer,
enlarged orifice a steam injector is introduced in order that the steam entering the
pipe through the injector may draw with it a current of air which will cause the
propeller to rotate.
3. In apparatus of the character described a propeller or turbine rotatably
journalled on its axle (2) through which are introduced pipes (3, 4) communicating
with passages extending through the blades of the propeller the passages opening
at the one end in the nave of the propeller and at the other end on the edges
or sides of said blades substantially as described.
4. In apparatus of the character described a propeller or turbine fastened to
its axle which communicates with a pipe surrounding the pipes (3, 4) for the
current of air and communicating with passages extending through the blades
substantially as described.
5. The combination and arrangement of parts constituting the complete propeller
mechanism substantially as described or illustrated in Figure 1 or in Figure 7 of
the accompanying drawings.
Dated this is dow of May 10no
BOULT & WADE,
Agents for the Applicant.