US3701321A

US3701321A - Continuous railway transportation system

Info

Publication number: US3701321A
Application number: US83467A
Authority: US
Inventors: Geun Sam Lee
Original assignee: Individual
Current assignee: Individual
Priority date: 1970-10-23
Filing date: 1970-10-23
Publication date: 1972-10-31
Anticipated expiration: 1989-10-31

Abstract

This invention relates to a continuously movable device operable by a.c. voltage on a railway powered by a linear motor. When a.c. voltage is fed to the movable device or to the railway, a magnetic system mounted on the movable device generates magnetic attraction or repulsion between this magnetic system and another magnetic system fixed to the railway effecting the movable device to move thereon.

Description

United States Patent Lee [451 Oct.31, 1972 [54] CONTINUOUS RAILWAY TRANSPORTATION SYSTEM [72] Inventor: Geun Sam Lee, No. 12-6, 3-chome,

Yushima, Bunkyo-ku, Tokyo, Japan [22] Filed: Oct. 23, 1970 211 App]. No.: 83,467

[52] US. Cl ..104/148 LM, 104/25, 105/49, 310/13 [51] Int. Cl.....B61b 13/00, B61c 11/00, H02k 41/02 [58] Field of Search ..104/25, 148 LM; 105/49; 310/13 [56] References Cited UNITED STATES PATENTS 3,265,010 8/1966 Makiri 104/25 3,610,972 10/1971 Pelenc ..104/148 LM Primary Examiner-Gerald M. Forlenza Assistant Examiner-1-loward Beltran Attorney-Michael S. Striker [57] ABSTRACT 10 Claims, 10 Drawing Figures PKTENTI-iilnma: m2

saw 1 or 3 M .5 m w 3 W l m. 6 4. A. u M m M .wM Z

PATENTEDncm m2 3.701. 321

- saw a nr 3 INVENTOR.

PATENTEUUCUI 1912 F IG.3A

FIGBB I FIGAA llllI F'IGAB INVENTOR.

6' JM L50 BY 1/411 #4. v 4 7 CONTINUOUS RAILWAY TRANSPORTATION SYSTEM DETAILED EXPLANATION OF THE INVENTION energy generated between a permanent magnet system and a variable electric magnet system of which each of N and S poles is changed into contrary quality of polarity of the magnet alternately by a.c. voltage.

The other object of this invention is to provide a continuous movable device including two or more magnetic systems if necessary, for the purpose of increasing output to move the device, one of said magnetic systems is provided on the movable device while the other is fixed to the railway.

Further object of this invention is to provide a continuous movable device including a rooped or straight or curved endless railway utilizing with various kinds of electric movable devices such as trains, elevators and as forth.

These and other objects of the invention will be more fully disclosed by the following description in conjunction with the accompanying drawings in which certain preferred embodiments of the invention are illustrated and in which:

FIGS. 1A 1C are diagrams illustrating respectively a movable device which is consisted of a variable electric magnetic system operated by a.c. voltage.

FIGS. 2A 2C are diagrams illustrating respectively a railway which is consisted of a variable electric magnetic system operated by a.c. voltage.

FIGS. 3A 3B are vertical sectional views of the above mentioned embodiments.

FIGS. 4A 4B are side views of the embodiments shown in FIGS. 3A 3B.

An example of this invention is shown in FIGS. 1A 1C wherein a plurality of

permanent magnets

2, 2, 2" are fixed to a guide means or railway 1 forming an unvariable magnetic system a, each pole of said magnets is arranged being situated by turns in such a position as N, S, N, S and between each magnet is provided a desired interval.

A variable magnet system which is varied by magnetic energy is set at the opposite side of the permanent magnetic system which is consisted of

permanent magnets

2,2, 2"

Said variable magnet system b positioned within the magnetic field of the

permanent magnets

2, 2', 2" is fed by a.c. voltage to energize N and S poles alternately with the frequency of a.c. voltage.

The magnetic system b is positioned on the movable device 5 provided with pulleys 4 and a brush 9 through which a.c. voltage 10 is supplied by means of an electric conductor 6.

Now, the operation of the present invention will be explained according to FIGS. 1A 1C.

In FIG. 1A, both a permanent magnet 2 and an electric magnet 3 having the same N poles at their facing sides, they have repulsion respectively. When the electric magnet 3 is energized by an initial energy, it starts in the direction of the arrow directing, enforcing the movable device 5 to move in the same direction as the arrow. When the movable device 5 begins to move, it is attracted to the permanent magnet 2' of S, because the polarity of the electric magnet 3 is of N, while that of the adjacent permanent magnet 2' is of S, as shown in FIG. 1B. When the magnetic system b of the movable device 5 is fed with a.c. voltage change of frequency of the current changes the polarity contrarily, such that the polarity of the electric magnet 3 is changed into S, when the movable device 5 moved to the position shown in FIG. 1C, to effect to be repelled by the permanent magnet 2 of S, and to move on by inertia given by the starting energy, repeating the same operation as shown in FIGS. 1A, 1B and 1C, to go along the railway 1 in the determined direction.

Verocity of the movable device 5 is controlled by change of frequency fed from an electric power source or from the movable device 5 and number of poles of electric magnets 3.

In FIGS. 2A 2C are shown another embodiment of the present invention. The movable device 5 comprises a fixed permanent magnetic system a and a railway l on which being mounted a variable electric magnetic system b of which magnetic field is varied by a.c. voltage fed from an electric power source at a determined interval.

The fixed permanent magnetic system a is consisted of a desired number of permanent magnets (2), (2), (2)" arranged on the movable device 5, the poles of which being set against

electric magnets

3, 3, 3 which are arranged in a line in the variable magnetic system b fixed to the railway 1. Between the electric magnets are provided sensitive

conductive elements

7, 7', 7 which are operated by pressure of burdening of the movable device 5 to conduct electric flow to control the passage to the

electric magnets

3, 3, 3" through a switch circuit 8 so as to supply a.c. voltage thereto 3, 3', 3" respectively.

The operation will be further explained according to FIGS. 2A 2C.

The permanent magnet 2 of the movable device 5 having N pole, being set against the variable magnetic system b at the same time, arranged in the opposite side of the electric magnet 3 having N pole which repels the permanent magnet 2 to effect the movable device 5 to move, at the same time, a desired starting energy is given thereto, to move in the direction of the arrow directing as shown in FIG. 2B.

The sensitive conductive element 7 is operated by pressure of burdening of the movable device 5 to conduct electric flow to close the passage to the electric magnet 3 positioned just after the same 3, through the switch circuit 8 so as to supply a.c. voltage thereto 3' to change the polarity into S pole which attracts the permanent magnet 2 of the movable device 5.

In FIG. 2C, the movable device 5 is in the position wherein the movable device 5 loses a magnetic influence upon the sensitive conductive element 7 which opens then the switch circuit 8 so as to stop electric current to be supplied to the electric magnet 3', so that the polarity of the permanent magnet 2 changed into N pole which is similar to that of the electric magnet 3'.

Then, the permanent magnet 2 is repelled so as to move co-operated with inertia of itself in the direction of the arrow directing.

Thus, the operation is repeated continuously, the movable device 5 is moved on the railway l.

In the embodiment illustrated in FIG. 2, as the variable magnetic system b is mounted on the railway 1, a.c. voltage from the electric power source is supplied through a conductive wire 6 which is provided along the railway 1.

For this purpose, sensitive

conductive elements

7, 7 7" are employed in this embodiment wherein only specific electric magnets are energized by the moving device 5 so as to save electricity to consume. In case the length of the railway is made shorter, for simplifying the construction the

electric magnets

3, 3', 3" may be connected to the a.c. power source 9. And also, the sensitive

conductive elements

7, 7 7 may be provided to operate a plurality of

electric magnets

3, 3, 3" within the railway to run thereon for the movable device 5.

In FIG. 2, a leading wire for a regulator 12 is connected to each of the

switch circuits

8, 8', 8" to control remotely the movable device 5 by varying the frequency and voltage for regulating the speed, standstill and starting thereof.

Another embodiment of the present invention is shown in FIGS. 3A and 4A in which-a mono-rail typed movable device 5 hanging on a railway 1 is illustrated. This typed movable device 5 has a plurality of pulleys 4 which are mounted on the railway l beneath which the permanent magnetic system a is fixed against the variable magnetic system consisted of a plurality of variable magnets 3 being mounted on the movable device 5.

ln FIGS. 3B and 4B is shown still another embodiment in which the permanent magnetic system a is arranged between a pair of rails in parallel. The variable magnetic system b is mounted on the movable device 5 opposingly to the permanent magnetic system a.

In FIGS. 3 and 4, the permanent magnetic system a is arranged adjacent the railway 1, while the variable magnetic system b is mounted on the movable device 5, but arrangement of each system may be changed contrarily.

The permanent magnetic system a in the FIGS. has been illustrated as a permanent magnet, but the permanent magnet may be substituted an electric fixed magnetic system therefor.

As mentioned above, the present invention comprises a fixed magnetic system consisted of a plurality of permanent magnets arranged in a line on a railway, a movable device on which a variable magnetic system being provided, alternating electric current being fed to said invariable or said variable magnetic system for the purpose of supplying electric power to change continuously the magnetic poles of N and S into contrary qualities effecting to produce magnetic attractive or repelling energy so as to move said movable device in a desired direction. So that, the movable device is movable on said railway unlimitedly, and available in stead of the well known electric rotating motor as an electric power, which is possible to move straightly, effectively and affirmatively, and carry a desired thing in any direction at a free speed providing a power source for a straight movement by using the simple constructed device of the present invention which has a large extent of utilization for a power source for a straight movement.

As stated above, two kinds of embodiments according to the present invention have been described, but

the present invention is not be restricted within said embodiments, and any change or changes can be performed within the scope of the technical art of the present invention.

What is claimed is:

l. A transportation apparatus comprising railway guide means defining an elongated path; movable device means arranged to be guided and move along said guide means; a fixed magnetic system arranged on one of said means for generating a fixed magnetic field; a variable magnetic system arranged on the other of said means for generating a variable magnetic field in the region of said fixed magnetic field so that said fields interact, the magnetic system arranged on said guide means extending along substantially the entire elongated path; a source of alternating current; and connecting means for connecting said source of alternating current to said variable magnetic system, whereby said variable magnetic field alternates in response to current flow in said alternating field cooperating with said fixed magnetic field to exert forces on said movable device means and propel the same along said guide means.

2. A transportation apparatus as defined in claim 1, wherein said guide means comprises a railway track, and wherein said fixed magnetic system exhibits fixed magnetic poles, said alternating magnetic system exhibits alternating magnetic poles which are adjacent to said fixed magnetic poles when said movable device moves along said railway tracks, the movement of said movable device being effected by the magnetic attraction and repulsion of said fixed and said alternating magnetic poles.

3. A transportation apparatus as defined in claim 1, wherein said fixed magnetic system is arranged on said guide means and said variable magnetic system is arranged on said movable device means.

4. A transportation apparatus as' defined in claim 3, wherein said fixed magnetic system comprises a plurality of permanent magnets arranged along said path so that the polarity of the magnetic poles of adjacent permanent magnets alternate along said path with respect to said movable variable magnetic system.

5. A transportation apparatus as defined in claim 3, wherein said connecting means comprises an elongated conductive means extending along said guide means and connected to said source of alternating current; and brush means connected to said variable magnetic system and arranged to contact said conductive means while said movable device means moves along said guide means.

6. A transportation apparatus as defined in claim 1, wherein said fixed magnetic system is arranged on said movable device means and said variable magnetic system is arranged on said guide means.

7. A transportation apparatus as defined in claim 6, wherein said fixed magnetic system comprises a permanent magnet.

8. A transportation apparatus as defined in claim 6, wherein said alternating magnetic system comprises a plurality of variable magnets arranged along said path so that at least those variable magnets in the region of said movable device means have the polarity of their magnetic poles alternate along said path with respect to said movable fixed magnetic system.

9. A transportation apparatus as defined in claim 8, further comprising regulating means connected to said variable magnets and to said source of alternating current for remotely controlling the frequency and the magnitude of the voltage applied to the latter to thereby change the frequency at which said magnetic poles change as well as change the strength of said magnetic poles; whereby the speed, acceleration and deceleration of said movable device means can be con-

Claims

1. A transportation apparatus comprising railway guide means defining an elongated path; movable device means arranged to be guided and move along said guide means; a fixed magnetic system arranged on one of said means for generating a fixed magnetic field; a variable magnetic system arranged on the other of said means for generating a variable magnetic field in the region of said fixed magnetic field so that said fields interact, the magnetic system arranged on said guide means extending along substantially the entire elongated path; a source of alternating current; and connecting means for connecting said source of alternating current to said variable magnetic system, whereby said variable magnetic field alternates in response to current flow in said alternating magnetic system, said alternating field cooperating with said fixed magnetic field to exert forces on said movable device means and propeL the same along said guide means.

4. A transportation apparatus as defined in claim 3, wherein said fixed magnetic system comprises a plurality of permanent magnets arranged along said path so that the polarity of the magnetic poles of adjacent permanent magnets alternate along said path with respect to said movable variable magnetic system.

9. A transportation apparatus as defined in claim 8, further comprising regulating means connected to said variable magnets and to said source of alternating current for remotely controlling the frequency and the magnitude of the voltage applied to the latter to thereby change the frequency at which said magnetic poles change as well as change the strength of said magnetic poles; whereby the speed, acceleration and deceleration of said movable device means can be controlled.

10. A transportation apparatus as defined in claim 9, further comprising sensitive element means connected to said regulating means detecting the position of said movable device means along said path and for selectively causing the energization of only those variable magnets in proximity with said movable device means.