JPH09191635A - Motor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a long term rotary driving by producing a rotating force or thrust through magnetic interaction of a current and a field between permanent magnets or a field between a magnet and a field of current. SOLUTION: Since a rotor permanent magnet 3 is partially present in the field of a stator permanent magnet 8, a rotor 2 generates a clockwise rotating force through magnetic interaction of the field. The rotor 2 generates a clockwise rotating force through magnetic interaction of the field, i.e., attraction when the rotor permanent magnet 3 is present in the field of a corner stator permanent magnet 9 located in counterclockwise direction with respect to the stator permanent magnet 8 or repellence when the rotor permanent magnet 3 is present in the field of a corner stator permanent magnet 9 located in clockwise direction with respect to the stator permanent magnet 8. Consequently, the rotor 2 can be driven clockwise for a long time until the magnetic force is equalized to a rotary load due to demagnetization of permanent magnet caused by the combination of rotating force or demagnetization due to diamagnetic field.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor characterized in that a rotational force or a propulsive force can be obtained by a magnetic interaction between permanent magnets or a magnetic field between a magnet and an electric current and an electric current.

[0002]

2. Description of the Related Art A so-called permanent magnet motor, which is a means for rotating and driving by magnetic interaction due to a magnetic field between permanent magnets, has never been put to practical use despite the fact that many embodiments have been proposed in the past. Can be said. That is, the permanent magnets are attracted to each other when they have different polarities, and repulsive to each other when they have the same polarities, so that the rotational force is braked and cannot be realized as the rotation driving means. From this, for example, U.S. Pat. No. 4,179,633.
As disclosed in Japanese Patent Publication No. 2003-242242, when the magnetic repulsion force alone is used, only a low rotational force can be obtained due to the slow magnetic repulsion speed, and there is a problem that commercialization is difficult. In addition, since the DC motor driven by a DC power source must reverse the armature current according to the magnetic pole position by a commutator or a semiconductor device, the commutator has durability due to wear loss due to spark generation when a large current is applied. Therefore, maintenance is required by regular inspection, and there are problems in the semiconductor device in terms of cost, temperature compensation, complexity, backup in case of failure, and the like. On the other hand, the superconducting material has zero electric resistance, which means that it can achieve the permanent current mode. However, if this is applied to a motor, it is a tongue that can be a powerful superconducting motor with low power consumption and large output per weight. However, current low-temperature and high-temperature superconductors cannot provide a superconducting motor that can operate for a long time in a permanent current mode due to power loss of a semiconductor device that controls armature inversion, which is an operation mode of a refrigeration system and a DC motor. There is a problem. Next, linear motors that move linearly, especially linear DC motors, have large thrust / weight ratios and easy position control, but are difficult to put into practical use with long strokes due to the length of the permanent magnet or the feed of the rotor winding. There is a problem.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a permanent magnet motor having a permanent magnet structure capable of high-power and high-speed rotational driving, and a commutator or a commutation function of a semiconductor device. It is an object of the present invention to provide a brushless motor that does not require the above, a superconducting motor that can be operated in a permanent current mode, a linear motor that enables a longer stroke, and the like.

[0004]

In order to effectively achieve the above object, a magnetic flux forming means for forming a magnetic flux in a direction perpendicular to a rotor axis and an anti-magnetic flux direction forming means or a rotor at a circumferential end portion of the forming means. The magnetic flux forming means for forming the same magnetic flux in the axis-perpendicular direction, and the magnetic flux forming means for forming the rotor circumferential-direction magnetic flux or the current conducting means in the rotor axial direction. Magnetic interaction between the magnetic field between the rotor circumferential end anti-flux direction forming means or the rotor shaft perpendicular direction magnetic flux forming means and the rotor circumferential direction magnetic flux forming means or the magnetic field and current between the rotor axial direction current conducting means. It is composed of a motor that is capable of producing a rotational force. Further, a magnetic flux forming means for forming a magnetic flux in the axial direction of the rotor and a magnetic flux forming means for forming the same magnetic flux in the axial direction of the rotor or a magnetic flux forming means for forming a magnetic flux in the circumferential direction of the rotor at the end portion in the circumferential direction of the forming means. A magnetic flux forming means or a current conducting means in a direction perpendicular to the rotor axis, the rotor axial direction magnetic flux forming means and the rotor circumferential end anti-flux direction forming means to the rotor axial direction magnetic flux forming means. The motor is characterized in that a rotational force is obtained by magnetic interaction between the magnetic field of the magnetic field forming means and the magnetic flux forming means of the rotor circumferential direction or the magnetic field of the current conducting means perpendicular to the rotor axis. Further, a magnetic flux forming means for forming a magnetic flux perpendicular to the propulsion axis and a magnetic flux forming means for forming the same magnetic flux in the direction perpendicular to the propulsion axis and a magnetic flux forming means for forming the magnetic flux in the propulsion axis orthogonal direction are formed at the ends of the forming means in the propulsion axis direction. A magnetic flux forming means for forming or a current conducting means in a direction perpendicular to the propulsion axis, and the magnetic flux forming means for forming a direction perpendicular to the propulsion axis and the end anti-flux direction forming means for the direction perpendicular to the propulsion axis or the same magnetic flux forming means for forming a direction perpendicular to the propulsion axis. The motor is characterized in that a propulsive force is obtained by magnetic interaction with the axial magnetic flux forming means or the magnetic field and current with the current conducting means perpendicular to the propulsion axis.

[0005]

Next, the operation of the present invention will be described. In a later-described embodiment, a permanent magnet or an electromagnet that forms a magnetic flux perpendicular to the rotor shaft on the stator side and a permanent magnet that forms a magnetic flux in the rotor circumferential direction on the rotor side. At the rotor circumferential end of a permanent magnet or electromagnet that forms a clockwise rotational force due to a magnetic field or magnetic interaction in a magnetic field and a current with a magnet or current conducting means, and a magnetic flux perpendicular to the rotor axis on the stator side. Is a clockwise attracting force when a permanent magnet or an electromagnet forming the same magnetic flux in the direction perpendicular to the rotor axis approaches the permanent magnet or a current conducting means forming a rotor circumferential magnetic flux on the rotor side, and a clockwise force when trying to separate. Produces each of the directional repulsive forces,
The rotor can be driven to rotate in the clockwise direction by combining with the rotational force. On the other hand, due to the magnetic interaction between the permanent magnet or electromagnet that forms the rotor side axial magnetic flux on the stator side and the permanent magnet or the current conducting means that forms the rotor side circumferential magnetic flux on the rotor side or the magnetic interaction between the magnetic field and the current. A permanent magnet or electromagnet that forms the same magnetic flux in the rotor axial direction is formed at the rotor circumferential end of the permanent magnet or electromagnet that forms clockwise rotational force and magnetic flux in the rotor axial direction on the stator side. Of the rotor, a attracting force in the clockwise direction is generated when approaching the permanent magnet or the current conducting means that forms magnetic flux in the circumferential direction of the rotor, and a repulsive force in the clockwise direction is generated when trying to leave the rotor. Directional rotation drive is possible. In addition, a magnetic field or a magnetic interaction between a permanent magnet or an electromagnet that forms a magnetic flux perpendicular to the propulsion axis and a permanent magnet or a current conducting unit that forms a magnetic flux in the propulsion axis direction. Permanent magnets or electromagnets forming a right-angled magnetic flux At the end of the propulsion axis in the propulsion axis direction, when the permanent magnets or electromagnets forming the same magnetic flux in the right-angled direction of the propulsion axis approach the permanent magnets forming the magnetic flux in the propulsion axis direction or the current conduction means Each of the suction force and the repulsive force in the right direction in the drawing when trying to separate is generated, and the mover can be driven in the right direction in the drawing by combining with the propulsive force.

[0006]

EXAMPLES Next, examples of the present invention will be described.

First Example In FIGS. 1 and 2, a rotor (non-magnetic) 2 is provided on an output shaft 1, and the rotor 2 has a rotor permanent magnet 3 having magnetic flux in a rotor circumferential direction. In the embodiment, a plurality is provided respectively. Each rotor permanent magnet 3 (N pole side)
Each of the magnetic pole pieces 4 is provided in the. A bearing 5 is provided on the right side (output side) of the output shaft 1, and the bearing 5 is supported by a bracket 6. On the other hand, a bearing 5 is provided on the left side (non-output side) of the drawing, and the bearing 5 is a bracket 6
It is supported by. The bracket 6 is a frame (non-magnetic)
7, a stator permanent magnet 8 having a magnetic flux in the radial direction is provided on the frame 7 so as to face the rotor 2 with the same pole (S pole). Corner stator permanent magnets 9 are provided at the rotor circumferential ends of the stator permanent magnets 8, respectively, and are formed with magnetic flux in the same direction as the stator permanent magnets 8. A magnetic pole piece 10 is provided on the N pole side of the stator permanent magnet 8 and the corner stator permanent magnet 9. In the above structure, since a part of the rotor permanent magnet 3 is in the magnetic field of the stator permanent magnet 8, the rotor 2 produces a clockwise rotational force by the magnetic interaction of the magnetic field. On the other hand, when the rotor permanent magnets 3 are in the magnetic field of the corner stator permanent magnets 9 located in the counterclockwise direction of the stator permanent magnets 8, they are attracted, and in the magnetic field of the corner stator permanent magnets 9 located in the clockwise direction. , The rotor 2 produces a clockwise rotational force due to the magnetic interaction of the repulsive magnetic fields. Therefore, the rotor 2 can be driven to rotate clockwise for a long period of time until the magnetic force becomes equal to the rotational load due to permanent magnet demagnetization, demagnetization due to demagnetization, or the like due to the combination of the rotational forces.

Second Example FIG. 3 shows another embodiment of the stator permanent magnet of the above embodiment, which is different from the above embodiment (the same applies to the following embodiments).
Will be described. In FIG. 3, a rectangular parallelepiped stator permanent magnet 11 is provided on the frame 7 so as to face the rotor 2 in the same V-shape. In the stator permanent magnet 11, each magnetic pole piece 12 forms a magnetic flux in the rotor circumferential direction. A magnetic pole piece 13 is provided on each N pole side of the stator permanent magnet 11. With the above-described structure, the rotor 2 can be driven to rotate in the clockwise direction as in the above-described embodiment.

Third Example In FIG. 4 and FIG. 5, the stator magnetic flux forming means is performed by an electromagnet, and a field iron core 14 is provided in the frame 7, and the field iron core 14 has a field winding 15 and a current. When excited, magnetic flux is formed in each of the direction perpendicular to the rotor axis and the rotor circumferential direction. A pole piece 1 is provided on the N pole side of the field core 14.
Each of 0 is provided. In the above-described configuration, in this embodiment, the stator magnetic flux forming means is replaced with the electromagnet from the permanent magnet of the previous embodiment, but the magnetic flux forming direction is the same, so that the rotor 2 is rotated clockwise as in the previous embodiment. It can be driven to rotate. The rotor 2 can be driven to rotate counterclockwise in the same manner as in the above embodiment by reversing the magnetic flux forming direction of the stator or the rotor.

Fourth Example FIGS. 6 and 7 show an example of a superconducting motor,
As an example of the superconductor, the one that has recently been announced that contains niobium 3 tin, niobium 3 germanium, bismuth, strontium, copper oxide, and calcium as main components (hereinafter referred to as room temperature superconductor), which are said to have zero electric resistance at room temperature, is applied. doing. A rotor 2 is provided on the output shaft 1. The rotor 2 is provided with a rotor winding mounting shaft 16, and the mounting shaft 16 is provided with a rotor room temperature superconducting winding 17. A rotor damper 18 is provided on the outer periphery of the room-temperature superconducting winding 17.
Is provided. An electric current is supplied to the room-temperature superconducting winding 17 from an external power source, and magnetic poles N and S are formed in a permanent current mode by a permanent switch (not shown). A stator damper 19 is provided so as to be connected to both the brackets 6 on the stator side,
The damper 19 has a stator winding mounting frame 20, and the frame 20 is provided with a stator superconducting winding 21. An electric current is supplied to the stator superconducting winding 21 by an external power source. A magnetic shield 22 is provided on the outer peripheral portion of the winding mounting frame 20. In the above-described configuration, if the stator room temperature superconducting winding 21 is formed in a permanent current mode by a permanent switch (not shown), it can be realized as a constant speed room temperature superconducting motor. Further, if variable current control is performed, it can be realized as a variable speed room temperature superconducting motor with low power consumption.

Fifth Example In FIGS. 8 to 10, the rotor 2 provided on the output shaft 1 is provided with a rotor permanent magnet 3. Magnetic pole pieces 4 are provided on the N-pole side of the rotor permanent magnet 3, respectively. The bracket 6 is supported by the bearing 5. The flange 23 is connected to the bracket 6 and the flange 23
Are supported by bearings 5. The bracket 6 is provided with a stator permanent magnet 24 that forms a magnetic flux in the rotor axis direction,
As shown in FIG. 10, a corner stator permanent magnet 25 that forms a magnetic flux in the rotor circumferential direction is provided at the end portion of the rotor circumferential direction. A magnetic pole piece 26 is provided on the N pole side of the stator permanent magnet 24 and the corner stator permanent magnet 25. In the above-described structure, the rotor permanent magnet 3 can drive the rotor 2 in the clockwise direction by the magnetic interaction of the magnetic fields of the stator permanent magnet 24 and the corner stator permanent magnet 25, as in the above-described embodiment. it can.

Sixth Example In FIG. 11, this embodiment shows another embodiment of the rotor of the fifth embodiment, in which the output shaft 1 is provided with a rotor (insulator) 2, An armature conductor 27 is provided on the rotor 2. The armature conductor 27 is a slip ring 28.
Brushes 29 connected to the
Supplies the current i. Since the stator permanent magnets 24 and the corner stator permanent magnets 25 (not shown) are provided in the same manner as in the above-mentioned embodiment, description thereof will be omitted. In the above-described configuration, the rotor 2 can be realized as a brushless motor that is rotationally driven in the clockwise direction by the magnetic interaction between the stator permanent magnet 24, the corner stator permanent magnet 25, and the armature conductor 27 due to the magnetic field and the current. .

Seventh Example FIGS. 12 and 13 show another embodiment of the superconducting motor. The output shaft 1 is provided with a rotor 2, a winding mounting shaft 16, a room temperature superconducting winding 17, and a rotor damper 18, as in the fourth embodiment. On the other hand, the frame 7 and the stator damper 19 are connected between the left and right brackets 6 on the stator side. Bracket 6
A winding bracket 30 is provided between the stator damper 19 and the stator damper 19, and a stator superconducting winding 21 is provided on the bracket 30. The stator superconducting winding 21 is adapted to generate a magnetic flux in the same direction as in the fifth example of the embodiment when a current is applied. With the above-described structure, the rotor 2 can be driven to rotate in the clockwise direction as in the above-described embodiment. Also,
It is possible to provide a superconducting motor having the same characteristics as those of the fourth example.

Eighth Example FIG. 14 to FIG. 16 show an example of a linear motor that linearly moves. A base 100 is provided with a rectangular parallelepiped stator permanent magnet 101 in the propulsion direction. In the illustrated example, the stator permanent magnet 101 has an S pole on the left side of the figure and an N pole on the right side of the figure, and a pole piece 102 is provided on each side of the N pole. . A mover 103 is located on the base 100, and the mover 10
3 is a mover permanent magnet 1 which forms a magnetic flux perpendicular to the propulsion axis.
04 are provided. Further, corner mover permanent magnets 105 that form the same magnetic flux in the direction perpendicular to the propulsion axis are provided at the ends of the mover permanent magnets 104 in the propulsion axis direction.
Mover permanent magnet 104 and corner mover permanent magnet 1
A magnetic pole piece 106 is provided on the N pole side of 05. In the above-mentioned structure, since the mover permanent magnet 104 is in the magnetic field of the stator permanent magnet 101, a propulsive force in the right direction of the drawing is generated. On the other hand, the right-side corner mover permanent magnet 105 repels the stator permanent magnet 101, and the left-side corner mover permanent magnet 105 attracts the stator permanent magnet 101 to move the mover 103 rightward in the figure. Produce a momentum to Therefore, if the stator permanent magnets are endlessly provided by combining with the propulsive force of the mover 103, the permanent magnets are propulsively driven for a long time until the magnetic force becomes equal to the rotational load due to natural demagnetization of the permanent magnets or demagnetization by the demagnetizing field. be able to.

Ninth Example In FIGS. 17 to 19, this embodiment shows another embodiment of the linear motor. The difference from the above-mentioned embodiment is that the moving element 103 located on the base 100 is different. , The mover permanent magnets 104 so that they are parallel to the propulsion axis (stator permanent magnet row)
Are provided facing each other with the same pole. The corner mover permanent magnet 10 is arranged in the direction of the propulsion axis of the mover permanent magnet 104.
Each of the 5 is provided. Moving element permanent magnet 104
Further, each of the pole pieces 106 is provided on the N pole side of the corner mover permanent magnet 105. In the above-described structure, this embodiment is similar to the above embodiment in that the moving element 1 is used.
Numeral 00 indicates the magnetic interaction of the magnetic fields of the stator permanent magnet 101 with the mover permanent magnets 104 and the corner mover permanent magnets 105, and can be driven to the right in the propulsion axis diagram.

Tenth Example FIGS. 20 to 22 show an example of a superconducting linear motor. A winding mounting shaft 107 is provided on the base 100 in the propulsion axis direction, and a stator superconducting winding 108 is provided on the mounting shaft 107 in the propulsion axis direction. The stator normal temperature superconducting winding 108 forms a magnetic flux in the same direction as in the above-described embodiment when a current is applied. A stator damper 109 is provided on the stator room temperature superconducting winding 108. Mover 10
3 is provided with a mover damper 110, and the damper 11
A mover winding mounting shaft 111 is provided in the position 0. The moving element room temperature superconducting winding 112 is attached to the moving element winding mounting shaft 111.
Is provided. A magnetic shield 113 is provided on the upper portion of the mover room temperature superconducting winding 112. An electric current is supplied to the room temperature superconducting winding 112 from an external power source, and a magnetic flux in the same direction as in the above embodiment is formed by a switch (not shown) in a permanent current mode. In the above configuration, if the stator room temperature superconducting winding 108 is formed in a permanent current mode by a switch (not shown), it can be realized as a constant speed room temperature superconducting linear motor that linearly moves for a long period of time. Also,
By controlling the stator room temperature superconducting winding 108 in the variable current mode, a variable speed room temperature superconducting linear motor with less power loss can be provided.

Eleventh Example FIGS. 23 to 24 show still another embodiment of the brushless motor. The output shaft 1 is provided with a rotor 2. The rotor 2 forms magnetic fluxes in the rotor axis direction, the rotor axis orthogonal direction, and the rotor circumferential direction, and the rotor permanent magnets 31 have the same pole and face each other. Is provided. A corner rotor permanent magnet 32 is provided at each of the rotor circumferential end portions of the rotor permanent magnet 31. Frame 7
A ring-shaped field core 33 is provided between the rotor permanent magnets 31 facing each other. An annular winding coil 34 is provided on the ring-shaped field iron core 33. In the above-described structure, when a direct current is supplied to the annular winding coil 34, the rotor 2 is operated by the magnetic interaction between the rotor permanent magnet 31, the corner rotor permanent magnet 32, the magnetic field of the annular winding coil 34 and the current. It can be realized as a brushless motor that is rotationally driven in a direction.

[0018]

As described above, according to the present invention, the magnetic flux forming means for forming magnetic flux in the direction perpendicular to the rotor axis on the stator side and the anti-magnetic flux direction forming means or the rotating means at the circumferential end of the forming means. Magnetic flux forming means for forming the same magnetic flux in the direction perpendicular to the child axis, or magnetic flux forming means in the rotor axial direction, and its forming means are provided with anti-magnetic flux direction forming means or rotor axial direction same magnetic flux forming means at the end in the circumferential direction. When the magnetic flux forming means for forming magnetic flux in the circumferential direction of the rotor is used and each of the forming means is made of a permanent magnet, the magnetic force becomes equal to the rotational load due to natural demagnetization of the permanent magnet, demagnetization due to demagnetizing field, etc. It is possible to provide a permanent magnet motor that can be rotationally driven for a long time. On the other hand, when the rotor side comprises current conducting means in the direction perpendicular to the rotor axis or in the rotor axis direction, commutation without a commutator or semiconductor device when the conducting means is constituted by an armature conductor or winding. It is possible to provide a brushless DC motor that does not require When the magnetic flux forming means on the stator side is an electromagnet and the magnetic flux forming means on the rotor side is a permanent magnet, a brushless DC motor can be provided as in the above case. Alternatively, a brushless DC or AC motor can be provided when the rotor-side current conducting means is composed of an armature conductor or a winding. Furthermore, the current conducting means on the side of the stator is composed of an electromagnet, and the current conducting means on the side of the rotor is composed of an armature conductor or a winding. When these are normal temperature superconductors, there is little power loss due to permanent current mode operation, It is possible to provide a room temperature superconducting motor that can be rotationally driven for a long period of time. Next, a magnetic flux forming means for forming a magnetic flux perpendicular to the propulsion axis on the mover side and a magnetic flux forming means for forming an anti-magnetic flux direction forming means or a magnetic flux forming means for forming the same magnetic flux in the propulsion axis perpendicular direction at the forming means propulsion axis direction fixed end When the magnetic flux forming means that forms the magnetic flux in the propulsion axis direction on the child side is formed, and each of the forming means is composed of permanent magnets, the magnetic force becomes equal to the propulsion load due to natural demagnetization of permanent magnets, demagnetization due to demagnetization, etc. It is possible to provide a permanent magnet linear motor that can be propulsively driven for as long as possible. On the other hand, when the stator side comprises current conducting means in the direction perpendicular to the propulsion axis, it is possible to provide a DC linear motor capable of a long stroke when the conducting means is constituted by an armature conductor or a winding. Further, when the magnetic flux forming means on the mover side is an electromagnet and the magnetic flux forming means on the stator side is a permanent magnet, it is possible to provide a DC linear motor as described above. Alternatively, when the current conducting means on the stator side is composed of an armature conductor or a winding,
A DC or AC linear motor can be provided.
Furthermore, the magnetic flux forming means on the mover side is composed of an electromagnet, and the current conducting means on the stator side is composed of an armature conductor or a winding. When these are normal temperature superconductors, there is little power loss due to permanent current mode operation, It is possible to provide a room temperature superconducting linear motor that can be driven for a long period of time. It will be apparent that the present invention can be variously implemented within the specification of [Claims] or [Detailed Description of the Invention] of the present invention, in addition to the examples described above. Less than,
When the main embodiments are listed, the corner stator permanent magnet can be detached, or the corner stator permanent magnet and the stator permanent magnet or the corner mover permanent magnet and the mover permanent magnet can be integrated. The corner rotor permanent magnet can be integrated with the rotor permanent magnet. The stator and the rotor or the mover can also be implemented in reverse configurations. Since the motor and the generator are reversible in principle, they can also be applied as a generator. The rotor permanent magnet (excluding the eleventh example) can also be implemented as a cylinder (or disk) type having a free magnetic pole. A levitation linear motor can be obtained by providing a permanent magnet or induction winding that repels the magnetic flux of the moving element on the base. Power can also be supplied from the moving element feeder. The magnetic path forming method, the field coil mounting position, the method, etc. are not limited to those shown in the present embodiment. The rotor diametrical end diamagnetic flux forming means is not shown in this embodiment, but may be implemented by using a diamagnetic material.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of an embodiment of a permanent magnet motor according to the present invention,

FIG. 2 is a sectional view taken along line AA of the embodiment of FIG.

FIG. 3 is a sectional view taken along line AA of another embodiment of FIG.

FIG. 4 is a partial cross-sectional view of one embodiment of the brushless motor according to the present invention,

5 is a sectional view taken along line BB of FIG.

FIG. 6 is a partial cross-sectional view of an embodiment of a superconducting motor according to the present invention,

FIG. 7 is a sectional view taken along line CC of FIG.

FIG. 8 is a partial cross-sectional view of another embodiment of the permanent magnet motor according to the present invention,

FIG. 9 is a cross-sectional view taken along the line D-D of another embodiment of FIG.

10 is a partial EE sectional view of the other embodiment of FIG. 9,

FIG. 11 is a partial cross-sectional view of another embodiment of the brushless motor according to the present invention,

FIG. 12 is a partial cross-sectional view of another embodiment of the superconducting motor according to the present invention,

FIG. 13 is a cross-sectional view taken along line F-F of another embodiment of FIG.

FIG. 14 is a partial cross-sectional view of an embodiment of a permanent magnet linear motor according to the present invention,

FIG. 15 is a view on arrow G of the embodiment of FIG.

16 is a cross-sectional view taken along line HH of the embodiment of FIG.

FIG. 17 is a partial cross-sectional view of another embodiment of the permanent magnet linear motor according to the present invention,

FIG. 18 is a view on arrow I of another embodiment of FIG.

FIG. 19 is a sectional view taken along line JJ of another embodiment of FIG.

FIG. 20 is a partial cross-sectional view of an embodiment of a superconducting linear motor according to the present invention,

FIG. 21 is a view on arrow K of the embodiment of FIG.

FIG. 22 is a cross-sectional view taken along line LL of the embodiment of FIG.

FIG. 23 is a partial cross-sectional view of yet another embodiment of the brushless motor according to the present invention,

FIG. 24 is a sectional view taken along line MM of yet another embodiment of FIG. 23.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Output shaft, 2 ... Rotor, 3, 31 ... Rotor permanent magnet, 4, 10, 12, 13, 26, 102, 106 ... Pole piece, 5 ... Bearing, 6 ... Bracket, 7 ... Frame, 8, 11, 24, 101 ... Stator permanent magnets, 9, 25 ... Corner stator permanent magnets, 14 ... Field core, 15 ... Field winding, 16 ... Rotor winding mounting shaft, 17 ... Rotor superconducting winding 18 ... Rotor damper, 19, 109 ... Stator damper, 20 ... Stator winding mounting frame, 21, 108 ... Stator superconducting winding, 22, 113 ... Magnetic shield, 23 ... Flange, 27 ... Armature conductor 28 ... Slip ring, 29 ... Brush, 30 ... Stator winding mounting bracket, 32 ... Corner rotor permanent magnet, 33 ... Ring field iron core, 34 ... Annular winding coil, 100 ... Base, 103 ... Mover, 104 ... Move Child Permanent magnet, 105 ... Corner mover permanent magnet, 107 ... Stator winding mounting shaft, 110 ... Mover damper, 111 ... Mover winding mounting shaft, 112 ... Mover room temperature superconducting winding.

Claims (3)

[Claims] 1. A magnetic flux forming means for forming a magnetic flux perpendicular to the rotor axis, and a magnetic flux forming means for forming an anti-magnetic flux direction forming means or a magnetic flux forming means for forming the same magnetic flux in the rotor axis orthogonal direction at a circumferential end portion of the forming means. A magnetic flux forming means for forming a magnetic flux in the circumferential direction of the rotor or a current conducting means in the axial direction of the rotor, and the magnetic flux forming means in the direction perpendicular to the rotor axis and the rotor circumferential end anti-flux direction forming means or the rotor. A motor characterized in that a rotational force is obtained by a magnetic interaction between a magnetic field formed by the magnetic flux direction forming means perpendicular to the axis and a magnetic flux forming means arranged in the circumferential direction of the rotor or a magnetic field and a current generated by a current conducting means in the rotor axial direction. 2. A magnetic flux forming means for forming a magnetic flux in the rotor axial direction, and a magnetic flux forming means for forming the same magnetic flux in the rotor axial direction or a magnetic flux forming means for forming the same magnetic flux in the rotor axial direction at a circumferential end portion of the forming means. A magnetic flux forming means for forming a circumferential magnetic flux or a current conducting means in a direction perpendicular to the rotor axis, the rotor axial direction magnetic flux forming means and the rotor circumferential end anti-flux direction forming means or the rotor shaft A rotating force is obtained by magnetic interaction between a magnetic field of the magnetic flux direction forming means and a magnetic flux forming means of the rotor circumferential direction or a magnetic field and a current of a current conducting means perpendicular to the rotor axis. 3. A magnetic flux forming means for forming a magnetic flux perpendicular to the propulsion axis, and a magnetic flux forming means for forming an anti-magnetic flux direction forming means or a magnetic flux forming means for forming the same magnetic flux in the propulsive axis perpendicular direction at the end of the forming means in the propulsive axis direction. A magnetic flux forming means for forming a magnetic flux or a current conducting means in the direction perpendicular to the propulsion axis, and the magnetic flux forming means in the direction perpendicular to the propulsion axis and the end anti-flux direction forming means to the direction perpendicular to the propulsion axis to the same magnetic flux direction forming means perpendicular to the propulsion axis. A propulsion force is obtained by magnetic interaction between a magnetic field of the magnetic flux forming means in the thrust axis direction and the magnetic field of the current conducting means in the direction perpendicular to the thrust axis, and a magnetic interaction by the current.