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JP2009165343

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DESCRIPTION JP2009165343
An object of the present invention is to provide a magnetic force drive apparatus which attaches
a strong permanent magnet to an end of a magnetic core of an electromagnet, arranges a strong
permanent magnet on the side, and generates a driving force. In the present invention, a
permanent magnet having a strong magnetic force is attached to an end of a magnetic core of an
electromagnet, and a magnetic force driving device is used which drives a permanent magnet
having a strong magnetic force disposed on the side with electric energy with little
electromagnet. [Selected figure] Figure 4
Magnetic force drive device and magnetic force rotation device applying the same, magnetic
force arc drive device, magnetic force linear drive device, magnetic force vibration device,
magnetic force speaker
[0001]
The present invention relates to a magnetic force driving apparatus characterized in that a
permanent magnet having a strong magnetic force is attached to an end of a magnetic core of an
electromagnet, a permanent magnet having a strong magnetic force is disposed on the side, and
a driving force is generated.
[0002]
The conventional permanent magnet type DC motor uses a magnet with weak magnetic force
such as a ferrite magnet as a stator and uses an electromagnet as a rotor.
03-05-2019
1
In addition, many linear devices such as linear motors that are driven linearly by electromagnets
and magnets are also combinations of magnets with weak magnetic force such as ferrite magnets
and electromagnets.
[0003]
When a permanent magnet with a strong magnetic force such as a neodymium magnet is used to
increase the driving force, the permanent magnet and the magnetic core are attracted to each
other, making it difficult to obtain a mechanical driving force. In order to obtain driving power in
this state, more power is required.
[0004]
To solve this problem, instead of simply attracting and repelling the conventional electromagnet
and permanent magnet, the magnetic core of the electromagnet is attached to the side of the
permanent magnet with strong magnetic force, and the small magnetic force of the
electromagnet is a permanent magnet with strong magnetic force. It is effective to utilize the
property that strong driving force is generated in another permanent magnet with another
strong magnetic force when the surrounding magnetic force is distorted, but in Patent Document
1 for solving this problem, the magnetic core of the electromagnet is Even if it is easy to use the
attraction force of the permanent magnet and the magnetic core as a driving force, the repulsive
force between the magnetic core of the rotor and the permanent magnet of the stator is It is
small and difficult to effectively use the repulsive force as a driving force. Further, similar to the
present invention, in Patent Documents 2 and 3, the coil moves along the magnetic gradient
between the permanent magnets, and the magnetic force between the permanent magnets is not
manipulated to generate a suction repulsive force.
[0005]
Japanese Patent Application Publication No. 2007-14181 Japanese Patent Application
Publication No. 8-163850 Japanese Patent Application Publication No. 8-047233
Disclosure of technology
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2
Problems that the Invention is to Solve
[0006]
This has the following drawbacks.
The conventional permanent magnet type DC motor has a structure for attracting and repelling
an electromagnet and a permanent magnet. In the case of rotational driving, a large amount of
power was required to match the load that causes the stator to be attracted and repelled, and the
electrical efficiency was poor. In addition, when trying to increase the motor output, it is
necessary to use a permanent magnet with strong magnetic force such as neodymium magnet for
the stator, but the magnetic force of the permanent magnet is too strong and the force with the
magnetic core of the electromagnet is strong and it is difficult to rotate. There was a drawback.
The same applies to devices that are driven linearly by electromagnets and magnets, such as
conventional linear motors. The present invention was made to eliminate the above-mentioned
drawbacks.
Means to solve the problem
[0007]
A ferrite magnet or the like with weak magnetic force is used in a conventional electromagnet
and permanent magnet combination drive body, but if a permanent magnet with strong magnetic
force such as a neodymium magnet is used to increase this driving force, the magnetic force is
strong. The permanent magnet and the magnetic core are attracted to each other, making it
difficult to obtain a mechanical driving force. In order to obtain driving power in this state, more
power is required.
[0008]
Instead of simply attracting and repelling conventional electromagnets and permanent magnets
as a means to solve the problem, the electromagnet is attached to one of the strong permanent
magnets facing each other with the same polarity, and the small magnetic force of the
03-05-2019
3
electromagnet is a strong permanent magnet. Distorting the magnetic force in the vicinity of the
point generates a strong driving force. Depending on whether the permanent magnet without the
electromagnet is in parallel with or inclining with the facing permanent magnet, the drive
direction changes in the direction of the magnetic pole axis of the electromagnet or in the
vertical direction. The drive direction can be controlled by the postures of the facing permanent
magnets. This is to operate the magnetic force between the strong permanent magnets by the
small magnetic force of the electromagnet to generate a strong driving force, which is the same
power and larger than the driving force by the combination of the conventional ferrite magnet
and the electromagnet. become.
[0009]
There are a method of generating the driving force in a direction perpendicular to the pole axis
of the electromagnet and a method of generating the driving force along the pole axis direction
of the electromagnet.
[0010]
First, as a method of generating the driving force in the direction perpendicular to the magnetic
pole axis of the electromagnet, the magnetic pole axis is parallel to the magnetic core (2) at the
end of the magnetic core (2) of the electromagnet (1) Attach a permanent magnet (4) with strong
magnetic force in parallel so that the same poles face each other.
When the permanent magnets (3) and (4) with strong magnetic force facing each other and the
electromagnet (1) have different poles, there is a method of generating strong driving force in the
direction perpendicular to the magnetic pole axis (FIG. 1).
[0011]
The principle that the magnetic field around the permanent magnet (3) with strong magnetic
force is easily distorted by the electromagnet (1) is that when the magnets attract each other, the
lines of magnetic force gather from the N pole to the S pole even if one of the magnetic forces is
small (Figure 2). As a result, when the permanent magnet (3) having a strong magnetic force and
the electromagnet (1) attract each other, the magnetic field around the permanent magnet (3)
having a high magnetic force is easily distorted with less power (FIG. 3). Even in the stationary
state due to this action, the same effect as changing the direction of the permanent magnet (3)
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with strong magnetic force occurs, and the permanent magnet with strong magnetic force in the
perpendicular direction to the pole axis of the electromagnet (1) shown in FIG. A driving force is
generated on the magnet (4).
[0012]
Attach the end of magnetic core (2) of electromagnet (1) to permanent magnet (3) side with
strong magnetic force in parallel with magnetic pole axis, and arrange permanent magnet (4)
with strong magnetic force in parallel so that same poles face each other The electromagnet (1)
manipulates the direction of the lines of magnetic force of the permanent magnet (3) having a
strong magnetic force to generate a strong driving force in the direction perpendicular to the
pole axis in the permanent magnet (4) having a strong magnetic force. There is a magnetic drive
device that is characterized.
[0013]
Next, as a method of generating a driving force along the magnetic pole axis direction of the
electromagnet (1), the magnetic pole axis is parallel to the magnetic core (2) at the end of the
magnetic core (2) of the electromagnet (1) And place a permanent magnet (4) with strong
magnetic force on the side facing the same pole so as to be close to the magnetic core (2).
When the polarity of the electromagnet (1) is switched, there is a method of causing the
permanent magnet (4) having strong magnetic force to generate strong driving force in the
magnetic pole axis direction (FIG. 4).
[0014]
The principle of the device of the configuration of FIG. 4 generating a strong driving force along
the pole axis direction of the electromagnet (1) will be described using a model. The permanent
magnet (5) (6) having a flat magnetic end face to face with each other. In this state it only
repulses uniformly (Figure 5). Next, the permanent magnets (5) and (6) having strong magnetic
forces inclined to each other face the same poles. Since the magnetic force increases in inverse
proportion to the square of the distance, the magnetic force between the magnets draws a curve,
and the portion where the magnets are closest to each other has the largest repulsive force (FIG.
6). While the magnets are closest to each other, the magnetic core (2) of the electromagnet (1) is
disposed, and the electromagnet (1) has a different polarity from the permanent magnet (5) (6)
03-05-2019
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having a strong magnetic force. The attraction between the closer permanent magnets (5) and (6)
of the magnetic force and the magnetic core (2) is larger than the repulsive force between the
magnets, and therefore the attraction as a whole is strong (FIG. 7). Next, when the electromagnet
(1) has the same polarity as the strong permanent magnet (5) (6), the strong permanent magnet
(5) (6) and the magnetic core (2) repel each other, 5) Since (6) also repel each other, they repel
strongly as a whole (FIG. 8). Even if the power is small, the smaller the cross-sectional area of the
magnetic core (2) of the electromagnet (1), the larger the magnetic flux density, and even the
permanent magnet (5) (6) having a strong magnetic force can easily repel it.
[0015]
It is difficult to industrially use when the permanent magnet (5) (6) with strong magnetic force
and the electromagnet (1) are separated into three, so it is difficult to use industrially, so the
magnetic pole axis at the end of the magnetic core (2) of the electromagnet (1) A permanent
magnet (3) having strong magnetic force is attached in parallel to (2), and a permanent magnet
(4) having strong magnetic force is arranged to be closer to the magnetic core (2) side so that
same poles face each other. (Figure 4). As a result, a strong driving force is generated in the
permanent magnet (4) having a strong magnetic force along the magnetic pole axis direction of
the electromagnet (1).
[0016]
A permanent magnet (3) with strong magnetic force is attached to the magnetic core (2) end of
the electromagnet (1) with the magnetic pole axis parallel to the magnetic core (2), and the
permanent magnet with strong magnetic force (4) ) Is disposed so as to be closer to the magnetic
core (2) side, and the electromagnet (1) operates a magnetic line of force to generate a strong
attractive repulsive force along the magnetic pole axis direction of the electromagnet (1). There is
a magnetic drive device that
[0017]
The magnetic force generated is influenced by the shape and angle of the permanent magnet.
When the portion of the permanent magnet (4) with strong magnetic force shown by the dotted
line is elongated, the attraction force with the magnetic core (2) becomes large, and when it is
shortened, the portion becomes smaller. Further, if the inclination angle of the permanent
03-05-2019
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magnet (4) is reduced, the distance between the permanent magnets (3) and (4) having strong
magnetic force is reduced, so the repulsive force is increased and the depth is decreased (FIG. 9).
Further, as shown by the dotted line, when the permanent magnet (3) having strong magnetic
force is attached beyond the end of the magnetic core (2) and attached, the repulsive force
becomes large, and conversely, it becomes smaller when attached at the back (FIG. 10).
[0018]
From these conditions, in order to further improve the attraction and repulsion force of the
magnetic force driving device, it is possible to increase the inclination angle on the lower side of
the permanent magnet (4) having high magnetic force and to reduce the inclination angle on the
upper side. In order to realize this, the permanent magnet (7) having a strong magnetic force of a
concave surface or a concave surface whose surface is recessed is disposed so as to be closer to
the magnetic core (2) side of the electromagnet (1). As a result, the attraction and repulsion
during driving increases, leading to an improvement in output (FIG. 11).
[0019]
The permanent magnet (7) of a curved surface with a concave surface or a strong magnetic force
of the concave corner surface is disposed inclined to the magnetic core (2) side of the
electromagnet (1), along the pole axis direction of the electromagnet (1) There is a magnetic
drive apparatus characterized in that a strong drive force is generated.
[0020]
When the magnetic drive apparatus is applied to a rotating device, it is more efficiently driven
that the facing ends of the rotor and the stator are respectively curved along the rotation circle.
[0021]
When applying to rotating equipment, attach a permanent magnet (10) with a strong magnetic
force of a curved surface from which the pole part protrudes, to the end of the curved magnetic
core (9) from which the tip of the electromagnet (1) protrudes, The electromagnet (1) has a
configuration in which the permanent magnet (11) having a strong magnetic force with a curved
surface whose surface is recessed along the circumference of rotation is inclined so as to be
closer to the magnetic core (9) side of the curved surface Is a magnetic force driving device
characterized in that a strong attractive force of repulsion is generated in the rotational direction
on the curved permanent magnet (11) having a curved surface whose surface is depressed along
the circumference of the circle) by manipulating the magnetic lines of force. There is (Figure 12).
03-05-2019
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[0022]
Next, a magnetic force rotation device, a magnetic force arc drive device, a magnetic force linear
drive device, a magnetic force vibration device, and a magnetic force speaker to which the
magnetic force drive device is applied will be described.
[0023]
A plurality of electromagnets (1) having a permanent magnet (3) with strong magnetic force at
the end of the magnetic core (2) as a rotor are generated around the shaft (12) as a rotor for
generating a rotational drive force using a magnetic force drive Attach.
A plurality of permanent magnets (4) with strong magnetic force on the circumference of the
rotor as a stator, the same poles of the permanent magnets (3) with strong magnetic force of the
rotor face each other and are inclined toward the magnetic core (2) side Deploy.
There is a magnetic force rotary drive device characterized in that it is rotationally driven by
reversing the polarity of the electromagnet (1) according to the rotational position by the brush
(13) and the commutator (14) (FIG. 13).
[0024]
However, the above-mentioned magnetic force rotary drive is not considered to maximize the
rotational output simply by attaching the electromagnet (1) to the shaft (12).
In order to maximize rotational output, an electromagnet (1) with a permanent magnet (3) with
strong magnetic force at the end of the magnetic core (2) on the outer periphery of the rotating
body (8) that rotates freely around the shaft (12) A plurality of permanent magnets (4) with
strong magnetic force as the stator close to the magnetic core (2) side and arranged around the
rotor (8), and the rotor and the stator repel each other. When viewed from the axial direction of
the shaft (12), sometimes the electromagnet (1) of the rotor and the permanent magnet (4) with
strong magnetic force of the stator are directed in the rotational direction so as to repel each
other at an angle close to the tangential direction of the rotating circle. And attach it (Fig. 14).
03-05-2019
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As a result, at the time of repulsion when driven to rotate, the electromagnet (1) and the
permanent magnet (4) having a strong magnetic force face each other at an angle close to the
tangential direction of the rotating circle, and the repulsive force is maximized.
[0025]
An electromagnet (1) attached with a permanent magnet (3) with strong magnetic force at the
end of the magnetic core (2) is attached as a rotor to the outer periphery of a rotating body (8)
that rotates freely around a shaft (12). A plurality of permanent magnets (4) with strong
magnetic force are arranged on the rotation circumference, with the same poles of the
permanent magnets (3) with strong magnetic force of the rotor facing each other and inclined
toward the magnetic core (2) side. When viewed from the axial direction of the shaft (12), when
the rotor and the stator repel each other, the electromagnet (1) of the rotor and the permanent
magnet (4 of the magnetic force of the stator) are angularly close to the tangential direction of
the rotation circle. The polarity of the electromagnet (1) is reversed according to the rotational
position by the brush (13) and the commutator (14) of the configuration arranged at an angle so
as to face each other, and the rotational drive is efficiently performed in one direction. There is a
magnetic force rotary drive device.
[0026]
Further, as a device for generating a rotational driving force more efficiently, there is one to
which the magnetic force rotational driving device of FIG. 13 is applied.
As a rotor, both ends of the magnetic core (2) of the electromagnet (1) are bent in the same
direction, a permanent magnet (3) with strong magnetic force is sandwiched between them, a
plurality of electromagnets (1) around the shaft (12), Align the polarity of the strong permanent
magnet (3) and mount it outward. As a stator, permanent magnets (4) with strong magnetic force
face the same poles of permanent magnets (3) with strong magnetic force of the rotor on the
rotation circumference, and every other magnetic core on the commutator (14) side ( Arrange
two or more pieces so that it may approach 2) and the magnetic core (2) on the opposite side.
There is a magnetic force rotary drive device characterized in that it is rotationally driven by
reversing the polarity of the electromagnet (1) according to the rotational position by the brush
(13) and the commutator (14) (FIG. 15).
03-05-2019
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[0027]
As a stator on the side of one or a plurality of arms (16) freely swinging to the left and right as a
stator generating a reciprocating arc driving force using a magnetic force driving device, a
permanent magnet (3 Attach a plurality of electromagnets (1) attached with), and at the end of
the arm (16) as a rotor, place a permanent magnet (3) with strong magnetic force of the stator
and face the same poles with a permanent magnet (4) with strong magnetic force. Reciprocal arc
drive is performed by reversing the polarity of the electromagnet (1) of a configuration in which
one or a plurality of them are attached according to the arm (16) while being inclined toward the
magnetic core (2) side. There is an arc drive (FIG. 16).
[0028]
A magnetic force is generated at the end of the magnetic core (2) as a stator on the side of the
table (19) freely moved to the left and right guided by the linear bushing (18) as generating a
reciprocating linear drive force using a magnetic force drive. Attach a plurality of electromagnets
(1) with permanent magnets (3), face the same poles of the permanent magnets (3) with strong
magnetic force of the stator, and incline them closer to the magnetic core (2) side There is a
magnetic force linear driving device characterized in that reciprocating reciprocation linear
driving is performed by reversing the polarity of the electromagnet (1) in a configuration in
which one or more magnets (4) are attached to a pedestal (19) (FIG. 17). ).
[0029]
The method shown in FIG. 1 is developed as a device for generating a vibrating force in a
direction perpendicular to the pole axis of the electromagnet (1) more efficiently by using a
magnetic force driving device, and the magnetic cores of two electromagnets (1) A permanent
magnet (3) having a strong magnetic force is sandwiched between 2), and a permanent magnet
(4) having a strong magnetic force is disposed in parallel so that the same poles face each other.
When the polarities of the two electromagnets (1) are reversed, the lines of magnetic force of the
permanent magnet (3) with high magnetic force are easily distorted with less power.
Due to the distorted magnetic field, a strong driving force in the direction perpendicular to the
pole axis is generated in the permanent magnet (4) having high magnetic force (FIG. 18). This
driving force is greater than that of the conventional combination of ferrite magnet and
electromagnet. By repeating switching the polarity of the electromagnet (1) in a short time, the
strong permanent magnet (4) vibrates strongly.
03-05-2019
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[0030]
The magnetic core (2) end of the plurality of electromagnets (1) is attached to the side of the
permanent magnet (3) having strong magnetic force, and the pole axis is parallel to the side. The
electromagnet (1) distorts the magnetic field around the permanent magnet (3) having a strong
magnetic force and repeats in a short time, thereby arranging the electromagnet (1) in the
permanent magnet (4) having a strong magnetic force. There is a magnetic force vibration device
characterized in that a strong vibration force is generated in a direction perpendicular to the
magnetic pole axis.
[0031]
As a device for generating sound using a magnetic force vibration device, an electromagnet (1) is
inserted in a cylindrical strong permanent magnet (20) having poles on the outer surface and the
inner surface, and the magnetic core (2 of the electromagnet (1) ) Attach a disc (21) made of
magnetic material to both ends and cover it.
A small piece (22) of the permanent magnet having a strong magnetic force so that the same
pole as the cylindrical permanent magnet (20) having the same diameter as the cylindrical
permanent magnet (20) has an inner diameter larger than the outer diameter of the cylindrical
permanent magnet (20). Put a thin and light ring (23) on the inner circumference and attach a
diaphragm (24) to the outer circumference so that the cylindrical permanent magnet (20) and
ring (23) do not contact each other Make the configuration held in In this state, when a current
flows through the electromagnet (1), the magnetic field of the outer periphery of the cylindrical
permanent magnet (20) with high magnetic force is distorted, and a small piece (22) of the
permanent magnet with high magnetic force is attached to the inner periphery There is a
magnetic speaker characterized in that the thin and light ring (23) vibrates and the air is vibrated
by the diaphragm (24) to generate sound efficiently (FIG. 19).
Effect of the invention
[0032]
A driving device with high electrical efficiency can be produced that generates a strong power
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11
with less power than a conventional reciprocating driving device. In addition, similarly to the
conventional permanent magnet type DC motor, a motor with high electric efficiency can be
provided which is driven to rotate strongly with less power.
[0033]
Attach the end of magnetic core (2) of electromagnet (1) to permanent magnet (3) side with
strong magnetic force in parallel with magnetic pole axis, and arrange permanent magnet (4)
with strong magnetic force in parallel so that same poles face each other Make the configuration.
The electromagnet (1) manipulates the direction of the lines of magnetic force of the permanent
magnet (3) having a strong magnetic force, thereby generating a strong driving force in the
direction perpendicular to the pole axis in the permanent magnet (4) having a strong magnetic
force. The magnetic drive (Fig. 1).
[0034]
A permanent magnet (3) with strong magnetic force is attached to the magnetic core (2) end of
the electromagnet (1) with the magnetic pole axis parallel to the magnetic core (2), and the
permanent magnet with strong magnetic force (4) ) Is placed close to the magnetic core (2) side.
A magnetic force driving device (FIG. 4) characterized in that a strong attractive force of
repulsion is generated along the magnetic pole axis direction of the electromagnet (1) by the
electromagnet (1) manipulating magnetic lines of force.
[0035]
A strong attractive repulsive force is generated by a configuration in which a permanent magnet
(7) with a strong magnetic force of a concave curved surface or a concave corner surface is
inclined to the magnetic core (2) side of the electromagnet (1) The magnetic drive device
characterized by (FIG. 11).
[0036]
When applying a magnetic drive to a rotating device, attach a permanent magnet (10) with a
strong magnetic force of a curved surface with a protruding pole to the end of the curved
magnetic core (9) where the tip of the electromagnet (1) protrudes In the configuration, the
03-05-2019
12
permanent magnet (11) with strong magnetic force of the curved surface whose surface is
depressed along the circumference of the rotation is arranged to be closer to the magnetic core
(9) side of the curved surface from which the tip protrudes. Make it
The electromagnet (1) manipulates the lines of magnetic force to generate a strong attractive
force of attraction and repulsion on a permanent magnet (11) having a strong magnetic force of
a curved surface whose surface is depressed along the circumference of the rotation (see FIG.
12).
[0037]
A plurality of electromagnets (1) having a permanent magnet (3) with strong magnetic force at
the end of the magnetic core (2) as a rotor are generated around the shaft (12) as a rotor for
generating a rotational drive force using a magnetic force drive Attach. A plurality of permanent
magnets (4) with strong magnetic force on the circumference of the rotor as a stator, the same
poles of the permanent magnets (3) with strong magnetic force of the rotor face each other and
are inclined toward the magnetic core (2) side Set up the configuration. A magnetic force rotation
drive device (FIG. 13) characterized by being rotationally driven by reversing the polarity of an
electromagnet (1) according to a rotation position by a brush (13) and a commutator (14).
[0038]
An electromagnet (1) attached with a permanent magnet (3) with strong magnetic force at the
end of the magnetic core (2) is attached as a rotor to the outer periphery of a rotating body (8)
that rotates freely around a shaft (12). A plurality of permanent magnets (4) with strong
magnetic force are arranged on the rotation circumference, with the same poles of the
permanent magnets (3) with strong magnetic force of the rotor facing each other and inclined
toward the magnetic core (2) side. When viewed from the axial direction of the shaft (12), when
the rotor and the stator repel each other, the electromagnet (1) of the rotor and the permanent
magnet (4 of the magnetic force of the stator) are angularly close to the tangential direction of
the rotation circle. ) Are arranged at an angle to face each other. A magnetic force rotation drive
device (FIG. 14) characterized in that the polarity of the electromagnet (1) is reversed according
to the rotation position by the brush (13) and the commutator (14), and the rotation is driven
efficiently in one direction.
03-05-2019
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[0039]
As a rotor, both ends of the magnetic core (2) of the electromagnet (1) are bent in the same
direction, a permanent magnet (3) with strong magnetic force is sandwiched between them, a
plurality of electromagnets (1) around the shaft (12), Align the polarity of the strong permanent
magnet (3) and mount it outward. As a stator, permanent magnets (4) with strong magnetic force
face the same poles of permanent magnets (3) with strong magnetic force of the rotor on the
rotation circumference, and every other magnetic core on the commutator (14) side ( A plurality
of magnetic poles are arranged so as to be closer to the magnetic core (2) on the opposite side to
the magnetic core 2). A magnetic force rotation drive device (FIG. 15) characterized by being
rotationally driven by reversing the polarity of an electromagnet (1) according to a rotation
position by a brush (13) and a commutator (14).
[0040]
As a stator on the side of one or a plurality of arms (16) freely swinging to the left and right as a
stator generating a reciprocating arc driving force using a magnetic force driving device, a
permanent magnet (3 Attach a plurality of electromagnets (1) attached with), and at the end of
the arm (16) as a rotor, place a permanent magnet (3) with strong magnetic force of the stator
and face the same poles with a permanent magnet (4) with strong magnetic force. It is inclined so
as to be close to the magnetic core (2) side, and one or more are attached according to the arm
(16). A magnetic arc drive apparatus (FIG. 16) characterized by reciprocating arc drive by
reversing the polarity of an electromagnet (1).
[0041]
A magnetic force is generated at the end of the magnetic core (2) as a stator on the side of the
table (19) freely moved to the left and right guided by the linear bushing (18) as generating a
reciprocating linear drive force using a magnetic force drive. Attach a plurality of electromagnets
(1) with permanent magnets (3), face the same poles of the permanent magnets (3) with strong
magnetic force of the stator, and incline them closer to the magnetic core (2) side One or more
magnets (4) are attached to the base (19). A magnetic force linear drive device (FIG. 17)
characterized by reciprocating linear drive by reversing the polarity of an electromagnet (1).
[0042]
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The magnetic core (2) end portions of the plurality of electromagnets (1) have a strong magnetic
force as a device for generating the oscillating force in the direction perpendicular to the pole
axis of the electromagnet (1) more efficiently using the magnetic force driving device A
permanent magnet (3) is attached to a side surface in parallel with a magnetic pole axis, and a
permanent magnet (4) having strong magnetic force is disposed on the side so that the same
poles face in parallel. The electromagnet (1) distorts the magnetic field around the permanent
magnet (3) having high magnetic force and repeats in a short time, so that the permanent
magnet (4) having high magnetic force is perpendicular to the pole axis of the electromagnet (1)
A magnetic force vibration device (FIG. 18) characterized in that a strong vibrational force is
generated on the
[0043]
As a device for generating sound using a magnetic force vibration device, an electromagnet (1) is
inserted in a cylindrical strong permanent magnet (20) having poles on the outer surface and the
inner surface, and the magnetic core (2 of the electromagnet (1) ) Attach a disc (21) made of
magnetic material to both ends and cover it. A small piece (22) of the permanent magnet having
a strong magnetic force so that the same pole as the cylindrical permanent magnet (20) having
the same diameter as the cylindrical permanent magnet (20) has an inner diameter larger than
the outer diameter of the cylindrical permanent magnet (20). Put a thin and light ring (23) on the
inner circumference and attach a diaphragm (24) to the outer circumference so that the
cylindrical permanent magnet (20) and ring (23) do not contact each other Make the
configuration held in When current is applied to the electromagnet (1), the magnetic field of the
outer periphery of the cylindrical permanent magnet (20) with high magnetic force is distorted to
form a thin and light ring with a small piece (22) of permanent magnet with high magnetic force
attached to the inner periphery (23) A magnetic speaker characterized in that (23) vibrates and
air is vibrated by a diaphragm (24) to efficiently generate sound (FIG. 19).
[0045]
By using for a conventional household appliance, a small household appliance with little power
consumption can be made. It also leads to reduced carbon dioxide emissions.
[0046]
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15
Since a strong driving force is generated with less power, the wiring can be made thinner, and
switches can be made smaller and labor-saving, leading to a reduction in the price of the entire
product.
[0047]
It is an explanatory view of a magnetic drive device of the present invention.
It is explanatory drawing of the magnetic force between the permanent magnet with strong
magnetic force, and an electromagnet. It is explanatory drawing of the magnetic force around the
strong permanent magnet of the magnetic force which attached the electromagnet. It is an
explanatory view of a magnetic drive device of the present invention. It is explanatory drawing of
the magnetic force between the permanent magnets with strong magnetic force which faces the
same poles in parallel. It is explanatory drawing of the magnetic force between the permanent
magnets with strong magnetic force which inclines and the same pole faces each other. It is
explanatory drawing of a magnetic force when arrange | positioning an electromagnet between
the permanent magnets with strong magnetic force which inclines and faces the same poles
mutually. It is explanatory drawing when making the electromagnet of FIG. 7 the same polarity as
a permanent magnet with strong magnetic force. It is explanatory drawing of the magnetic force
which generate | occur | produces when the length of the strong permanent magnet of the
magnetic force of the passive side of the magnetic force drive device of this invention is changed.
It is explanatory drawing of the magnetic force which generate | occur | produces when the
position of the strong permanent magnet of the magnetic force of the active side of the magnetic
drive of this invention is changed. It is explanatory drawing when the passive side of the
magnetic force drive device of this invention is a curved surface in which the surface was
concave, or a permanent magnet with strong magnetic force of the angular surface in which it
was dented. It is explanatory drawing of the shape which drives efficiently when the magnetic
drive device of this invention is attached to a rotary body. It is explanatory drawing of the
magnetic force rotation drive device of this invention. It is explanatory drawing of the magnetic
force rotation drive device of this invention. It is explanatory drawing of the magnetic force
rotation drive device of this invention. It is explanatory drawing of the magnetic arc drive
apparatus of this invention. It is explanatory drawing of the magnetic force linear drive device of
this invention. It is explanatory drawing of the magnetic force oscillation apparatus of this
invention. It is an explanatory view of a magnetic speaker of the present invention.
Explanation of sign
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[0048]
Reference Signs List 1 electromagnet 2 magnetic core 3 permanent magnet 4 strong permanent
magnet 5 permanent magnet 6 strong permanent magnet 6 permanent magnet 7 concave
surface with a curved surface or concave permanent magnet 8 permanent magnet 8 rotating
body 9 A curved magnetic core with an end projecting 10 A strong magnetic force permanent
magnet with a curved surface with a pole projecting 11 A permanent magnet with a strong
magnetic force with a curved surface with a curved surface 12 19 units 20 cylindrical magnetic
strong permanent magnets 21 circular plates 22 strong magnetic permanent magnet pieces 23
rings 24 vibrating plates 25 supports
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