BG3621U1 - Permanent magnet motor - Google Patents

Abstract

The permanent magnet motor finds application in engineering, in particular for the propulsion of vehicles and electric generators. By using the motor there are reduced torque losses, and hence higher efficiency. It comprises a cylindrical stator (18), on the inner surface of which are mounted at least four arcuate permanent magnets (1), and to the axis/shaft (15) passing along the length of the stator (18) is mounted a rotor (17), carrying four arcuate permanent magnets (2), as between the stator magnets (1) and the rotor magnets (2) is formed an air gap (3). On the shaft (15) after the rotor (17) is mounted a disk (13), which is spring-connected with a tube (8), closed at both ends with caps - front and rear (9). Permanent magnets (11) are mounted to the rear cap (9), as opposed to permanent magnets (19) attached to a disk (12) mounted on the rear side of the shaft (15). Between the caps (9) to the shaft (15) are mounted two magnetic cores (5), made of a set of lamellae forming poles in the rotor (17) and covered by arcuate permanent magnets (6), between which on the tube (8) are mounted arcuate permanent magnets (6) in metal rings (4).

Description

Field of technology

The utility model relates to a permanent magnet motor used in engineering and in particular for the propulsion of vehicles and electric generators.

BACKGROUND OF THE INVENTION

A permanent magnet motor is known, comprising a cylindrical stator with a central axis, and four arcuate permanent magnets are mounted on the inner surface of the stator. A rotor carrying four arcuate permanent magnets is mounted to the shaft. An air gap is formed between the stator magnets and the rotor magnets, in which a shielding element moves (DE 1975565).

A disadvantage of the known solution is the loss of torque due to the fact that to rotate the rotor it is necessary to overcome a significant resistance. The rotor falls three times at each revolution in an area from which there is no movement, which leads to the deterrent effect of the engine.

Technical essence of the utility model

The task of the utility model is to create a magnetic motor that has a reduced loss of torque, and hence a higher efficiency.

The problem is solved with a motor with permanent magnets, including a cylindrical stator on the inner surface on which are mounted at least four arcuate permanent magnets. A rotor carrying at least four arcuate permanent magnets is mounted to an axis extending along the stator. An air gap is formed between the stator magnets and the rotor magnets. According to the utility model, a disk is mounted to the axis after the rotor, which is spring-connected to a tube closed at both ends with caps - front and rear. Permanent magnets are mounted to the rear cap, as opposed to permanent magnets attached to a disc mounted on the rear of the shaft. At least two magnetic conductors are mounted between the caps to the shaft, made of a set of lamellae forming poles in the rotor and covered by arcuate permanent magnets, between which metal rings are mounted in the tube.

According to an embodiment, the permanent magnets are neodymium magnets.

The ends of the magnetic circuit are made of electrical steel, and the metal rings are a bent iron bar made of soft iron.

According to a variant, the rotor and the stator are made of plastic, textolite or Teflon.

The advantages of the engine are:

- In the process of engine operation there is no metal leaving by the action of magnets and vice versa. Also, nowhere in the process does a magnet move around iron. These two processes are important in that there is no adverse resistance.

- The proposed motor has a simple design and solution that eliminates almost all the problems that other magnetic motors have.

Explanation of the attached figures

Exemplary embodiments are shown in the accompanying figures, where:

Figure 1 is a general view of the engine;

Figure 2 is a section along AA of Figure 1;

Figure 3 is a section along B-B of Figure 1;

Figure 4 is an axonometric section of the engine, Figure 5 is a general view of the engine with its zero and neutral zones indicated;

Figure 6 is an axonometric section of the engine;

figure 7 - panoramic view with transparent rotor.

Exemplary implementations and application of the utility model

The permanent magnet motor consists of a cylindrical stator 18 made of plastic, textolite or Teflon on the inner surface of which at 41 ° from each other are mounted the most 4166 Descriptions to certificates of registration of utility models № 05.1 / 15.05.2020 slightly four arcuate permanent (NdFeB) neodymium magnets 1. An axis 15 passes along the stator 18 along its length and a rotor 17 is mounted on it, carrying four arcuate permanent (NdFeB) neodymium magnets 2, also at 90 ° from each other, the magnets 1 of the stator 18 serving to repel the magnets 2 of the rotor 17. The arc magnets 1 and 2 are unipolar directed towards each other. An air gap 3 is formed between the magnets 1 of the stator 18 and the magnets 2 of the rotor 17. A fixed disk 13 is mounted to the shaft 15 after the rotor 17, which is connected by a spring 14 to a cap 9 wound in a plastic, textolite or Teflon tube 8. by thread 10. The disk 13 is attached to the stator 18. The tube 8 is closed at both ends with two caps - front and rear 9, and in the rear cap 9 are mounted four permanent neodymium magnets (NdFeB) 11, which are repelled in the required torque of two permanent magnets 19 carried by a disk 12 mounted on the shaft 15 opposite the rear cap 9. The caps 9 are wound into the tube 8 and serve to strengthen it. The caps 9 and the disc 12 are also made of plastic, textolite or Teflon . To the axis 15 in the tube 8 are mounted magnetic conductors 5 made of a set of lamellae of electrical steel, forming poles in the rotor 17 and are covered by arcuate permanent magnets 6 mounted in the stator 18. Between the magnets 6 in the tube 8 are mounted metal rings 4 made of iron rail of soft iron, bent in the form of a ring. Bearings 7 at 120 ° are also attached to the stator 18. In figure 5, position 16 indicates the neutral zone of the engine, and position 20 indicates its zero zone.

The operation of the engine is as follows.

When the magnets 2 in the rotor 17 and the magnets 11 are in line with magnets 1 and 6, they. in the zero zone 20, the magnets 19 should be about 5 ° backwards. At this point, the magnets 19 must trigger the repulsion of the magnets 11.

The drive of the motor starts from the zero zone 20, when the rotor poles formed by the arcuate permanent magnets 2 in the rotor 17, the magnetic conductors 5 which have formed four poles in the rotor 17 and the four permanent magnets are in one line. The disk 12 and the permanent magnets 19 repel the body with the four permanent magnets 11. The tube 8 and the two metal rings 4 overcome the tension of the spring 14. The body (tube 8, caps 9 and metal rings 4) is mounted on six bearings 7 located on 120 ° and mounted in the stator 18. When the metal rings 4 cover the poles of the magnetic circuit 5, forming four poles in the rotor 17, the interaction between the arcuate permanent magnets 6 in the stator 18 of the machine and the poles of the magnetic circuit 5 is interrupted. between the arcuate permanent magnets 1 and the arcuate permanent magnets 2 in the rotating rotor 17. When the rotor 17 makes 1/8 of the revolution and is in the neutral zone 16, then the permanent magnets 19 of the disk 12 are spaced from the permanent magnets 11. Then there is no repulsive force and under the action of the spring 14, which has support in the disk 13 and the body moves to the right.

Thus the metal disks 4 protrude between the jaws of the magnetic conductor 5. The forces of attraction between the arcuate permanent magnets 6 in the stator 18 and the magnetic conductor 5, which are equal in repulsive forces between the arcuate permanent magnets 1 in the stator 18 and the arcuate permanent magnets 2 in the rotor 17, so that the rotor 17 freely reaches% of the speed, falling into the zero zone 20 and the cycle is repeated at% speed.

The arcuate permanent magnets 6, which are intentionally longer in order that when the rings 4 move left and right axially on the axis, never leave the arcuate permanent magnets 6, so we get rid of a deterrent action.

The arcuate permanent magnets 6 are arranged in alternating polarity S, N, S, N. In this way we use the maximum strength of their magnetic flux, which closes through the magnetic conductors 5, and in the other case through the rings 4, which allows the use of more -thin shielding element because the power lines are directionally closed with minimal distraction.

The frictional resistance of bearings 7 is minimized because the rings 4 are evenly attracted in four directions by the arcuate permanent magnets 6.

No shielding element is used between magnets 1 and 2 to resist when it leaves the magnets, and also to resist when magnets 2 would rotate around

4167 Descriptions to utility registration certificates № 05.1 / 15.05.2020 shielding element.

To overcome the moment of repulsion between magnets 1 and 2, when approaching the zero zone 20, a force equal to the force of attraction is used, but not between dissimilar magnets, but between the arcuate permanent magnets 6 and the magnetic conductors 5. In this way the resistance is eliminated. which would be obtained by rotating the magnets in the rotor. In this case, the magnetic conductor 5 rotates under the shielding element 4.

Claims (5)

Claims A magnetic motor comprising a cylindrical stator (18) on the inner surface of which at least four arcuate permanent magnets (1) are mounted, a rotor being mounted to an axis (15) extending along the length of the stator (18) 17) bearing four arcuate permanent magnets (2), an air gap (3) being formed between the stator magnets (18) and the rotor magnets (2), characterized in that the shaft (15) after the rotor (17) is mounted disk (13), which is spring-connected tube (8), closed at both ends with caps - front and rear (9), where the rear cap (9) are mounted permanent magnets (11). ), opposite the permanent magnets (19), attached to a disk (12) mounted on the rear of the shaft (15), and between the caps (9) to the shaft (15) are mounted two magnetic conductors (5), made of a set of lamellae forming poles in the rotor (17) and covered by arcuate permanent magnets (6), between which arcuate permanent magnets (6) in the tube (8) are mounted metal fingers nor (4). Engine according to claim 1, characterized in that the permanent magnets (1, 2 and 6) are neodymium magnets. Motor according to claims 1 and 2, characterized in that the lamellae of the magnetic circuit (5) are made of electrical steel. Engine according to Claims 1 to 3, characterized in that the metal rings (4) are a curved iron rail. Engine according to claims 1 to 4, characterized in that the rotor (17) and the stator (18) are made of plastic, textolite or Teflon.