Thrust generating mechanism

Abstract

To provide a thrust generating mechanism capable of sufficiently moving a moving part.SOLUTION: The thrust generating mechanism comprises: a moving part 3 provided with a plate-shaped first magnet 9; a linear first magnet part 5 in which plate-shaped second magnets 15 inclined at a predetermined angle are arranged; and a linear second magnet part 7 in which plate-shaped third magnets 17 inclined at a predetermined angle are arranged. A left side surface 9a of the plate-shaped first magnet 9 and a right side surface 15b of the plate-shaped second magnet 15 have the same polarity, a right side surface 9b of the plate-shaped first magnet 9 and a left side surface 17a of the plate-shaped third magnet 17 have the same polarity, a first center line C1 of the plate-shaped first magnet 9 is located at or below respective center lines C2, C3 of the plate-shaped second magnet 15 and the plate-shaped third magnet 17, and the plate-shaped second magnets 15 and the plate-shaped third magnets 17 are shifted back and forth with respect to each other.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a thrust generating mechanism that moves a moving part by using a magnetic force generated by a magnet. [Background technology]

[0002] A contactless propulsion device is known as a thrust generating mechanism that uses magnets to move a moving part (see, for example, Patent Document 1), but this device uses the magnetic field generated by the magnet to levitate the moving part, and the moving part cannot be moved sufficiently. For this reason, the inventor of the present application has developed the thrust generating mechanism according to Patent Document 2. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Publication No. 62-264846 [Patent Document 2] Patent No. 6985671 Summary of the Invention [Problem to be solved by the invention]

[0004] The inventors of the present application have not only developed the thrust generating mechanism disclosed in Patent Document 2, but have also developed a new thrust generating mechanism.

[0005] An object of the present invention is to provide a thrust generating mechanism capable of sufficiently moving a moving part. [Means for solving the problem]

[0006] The thrust generating mechanism according to the present invention comprises: a moving section whose moving direction is restricted to a first direction and to which a first magnet is attached; a one-side magnet portion in which a plurality of second magnets are arranged on one surface side of the first magnet and along the first direction; an other-side magnet portion including a plurality of third magnets arranged on the other surface side of the first magnet opposite to the one surface and along the first direction; Equipped with the second magnets of each of the one-side magnet portions are capable of facing the one surface of the first magnet and have one-side opposing surfaces of the same polarity as the one surface of the first magnet, the third magnets of each of the other-side magnet portions are capable of facing the other surface of the first magnet and have a other-side opposing surface of the same polarity as the other surface of the first magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below each of the stationary-side first center lines passing through the centers of the height direction of each of the second magnets of the one-side magnet portion, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side second center line passing through the center of the height direction of each of the third magnets of the other-side magnet portion, each of the second magnets in the one-side magnet portion is inclined so that the stationary-side first center line of each of the second magnets intersects with the moving-side center line when viewed from the vertical direction, each of the third magnets in the other-side magnet portion is inclined so that the stationary-side second center line of each of the third magnets intersects with the moving-side center line when viewed from the vertical direction, The second magnets of the magnet portions on one side are disposed so as to be shifted in the first direction relative to the third magnets of the magnet portions on the other side when viewed from the vertical direction. It is characterized by:

[0007] In addition, the second magnets of the magnet portion on one side and the third magnets of the magnet portion on the other side may all be formed in the same shape.

[0008] Furthermore, each of the second magnets of the magnet portion on one side may be inclined at a predetermined angle, and each of the third magnets of the magnet portion on the other side may be inclined at the same predetermined angle.

[0009] In addition, each of the second magnets of the one-side magnet portion and each of the third magnets of the other-side magnet portion may be formed in a curved arc shape when viewed in a plane, and the one-side magnet portion may be formed in a ring shape by connecting the multiple second magnets in a ring shape, and the other-side magnet portion may be formed in a ring shape concentric with the one-side magnet by connecting the multiple third magnets in a ring shape.

[0010] Furthermore, the first magnet may be formed in a curved arc shape in a plan view.

[0011] Further, the thrust generating mechanism according to the present invention includes: a moving section whose moving direction is restricted to a first direction and to which a first magnet is attached; A second magnet arranged on one surface side of the first magnet and along the first direction; a third magnet arranged on the other surface side of the first magnet opposite to the one surface and along the first direction; Equipped with the second magnet is capable of facing the one surface of the first magnet and has one opposing surface having the same polarity as the one surface of the first magnet, the third magnet is capable of facing the other surface of the first magnet and has a other-side opposing surface having the same polarity as the other surface of the first magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side first center line passing through the center of the height direction of the second magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side second center line passing through the center of the height direction of the third magnet, the second magnet is provided at an incline such that the stationary-side first center line of the second magnet intersects with the moving-side center line when viewed from the vertical direction, the third magnet is provided at an incline such that the stationary-side second center line of the third magnet intersects with the moving-side center line when viewed from the vertical direction, The second magnet may be arranged to be shifted in the first direction relative to the third magnet when viewed from the vertical direction. Effect of the Invention

[0012] According to the present invention, it is possible to provide a thrust generating mechanism capable of moving a moving part. [Brief description of the drawings]

[0013] [Figure 1] FIG. 2 is a perspective view illustrating a thrust generating mechanism according to the first embodiment. [Diagram 2] 2A and 2B are diagrams explaining the positional relationship of the thrust generating mechanism shown in FIG. 1, where (a) is a plan view of the thrust generating mechanism shown in FIG. 1, (b) is a side view showing the left side of a plate-shaped third magnet associated with the thrust generating mechanism shown in (a), and (c) is a side view showing the right side of a plate-shaped second magnet associated with the thrust generating mechanism shown in (a). [Diagram 3] 2 is a rear view illustrating the relationship between the thrust generating mechanism and a moving part shown in FIG. [Figure 4] 2A and 2B are diagrams for explaining the relationship between the thrust generating mechanism and the moving part shown in FIG. 1, in which (a) is a plan view showing the state in which the moving part is positioned between the plate-shaped second magnet that constitutes the linear first magnet part and the plate-shaped third magnet part that constitutes the linear second magnet part, (b) is a side view of the moving part shown in (a) as seen from the linear second magnet part, and (c) is a side view of the moving part shown in (a) as seen from the linear first magnet part side. [Diagram 5]2 is a perspective view showing a schematic state in which a moving part moves in the thrust generating mechanism shown in FIG. 1. FIG. [Figure 6] 5A and 5B are diagrams for typically explaining the thrust generating mechanism of the second embodiment, where (a) is a plan view of the thrust generating mechanism of the second embodiment, (b) is a cross-sectional view of the thrust generating mechanism shown in (a), and (c) is a side view for typically explaining the connection between the arc-shaped second magnets of the annular first magnet portion, the connection between the arc-shaped third magnets of the annular second magnet portion, and the connection between the arc-shaped fourth magnets of the annular third magnet portion in the thrust generating mechanism shown in (a). DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] 1 to 4, a thrust generating mechanism (thrust generating device) 1 according to the first embodiment has a moving part 3 that is movable on a plane G (see FIGS. 3 and 4) such as the ground or a floor and has a plate-shaped first magnet (first magnet) 9 attached thereto, and a linear first magnet part (one-side magnet part) 5 and a second magnet part (other-side magnet part) 7 that are placed on the plane G and positioned on both sides of the moving part 3. Note that there is only one moving part 3 in this embodiment, but in FIG. 2, two moving parts 3, one on the left and one on the right, are shown in order to show a state in which the moving part 3 moves from the rear side to the front side (from the right side to the left side as viewed in FIG. 2).

[0015] The moving part 3 has a plate-shaped first magnet 9 (see FIG. 2) which is a permanent magnet, a case 11 (see FIG. 1) made of a non-magnetic material such as resin that covers the periphery of the plate-shaped first magnet 9, and four wheels 13 (see FIG. 4(a)) provided at the front and rear of the lower part of both sides of the case 11 and placed on a plane G, and moves in the forward direction indicated by the arrow A (leftward in FIGS. 1, 2, and 4). For ease of explanation, the case 11 and wheels 13 of the moving part 3 are omitted in FIG. 2 (in other words, only the plate-shaped first magnet 9 is shown), and the case 11 of the moving part 3 is omitted in FIGS. 3 and 4 (in other words, only the plate-shaped first magnet 9 and wheels 13 are shown).

[0016] As shown in Fig. 2(a), the lower left side surface (one surface) 9a of the plate-shaped first magnet 9 as viewed in Fig. 2(a) has a magnetic N pole, and the upper right side surface (the other surface) 9b of the plate-shaped first magnet 9 as viewed in Fig. 2(a) has a magnetic S pole. When the moving part 3 is placed on a plane G, the left side surface 9a and the right side surface 9b of the plate-shaped first magnet 9 are each vertical surfaces perpendicular to the plane G (see Fig. 3).

[0017] Furthermore, as shown in FIG. 4(b), when the moving part 3 is placed on the plane G, when viewed from the front direction indicated by the arrow A and from a direction perpendicular to the height direction of the plate-shaped first magnet 9 (the up-down direction in FIG. 4(b)) (the direction penetrating the paper surface in FIG. 4(b), hereinafter this direction will be referred to simply as the "vertical direction"), the first center line (moving side center line) C1 passing through the center of the height direction of the plate-shaped first magnet 9 is parallel to the plane G.

[0018] 2 to 4, the N pole is the white part and the S pole is the black part. The same applies to the plate-shaped second magnet 15 and the plate-shaped third magnet 17 described later and to Fig. 6 described later. Note that in this embodiment, the white part is the N pole and the black part is the S pole, but it goes without saying that the white part may be the S pole and the black part may be the N pole.

[0019] The moving direction of the moving part 3 in this embodiment is restricted by each wheel 13 to either the forward direction (first direction) indicated by the arrow A or the rear direction opposite to the first direction. In other words, the case 11 and the four wheels 13 on the front, rear, left and right sides constitute a moving direction restricting part that restricts the moving direction of the moving part 3 to the front and rear direction. Note that this moving direction restricting part is not limited to the case 11 and the wheels 13, and although not shown in the figures, for example, the moving direction restricting part may be constituted by a groove rail part formed on the plane G and a convex part formed on the bottom surface of the plate-shaped first magnet 9 and inserted into the groove rail part, or a groove into which the bottom of the case 11 of the moving part 3 can be inserted into the plane G may be used as the moving direction restricting part. In addition, the moving direction restricting part may be one that restricts the movement only in the forward direction, not just the front and rear directions, and in short, it is sufficient if it can restrict the moving direction of the moving part 3 that moves by the magnetic force (repulsive force) from the linear first magnet part 5 and the linear second magnet part 7.

[0020] As shown in FIG. 2(c), the linear first magnet section 5 is configured by arranging a plurality of plate-shaped second magnets (second magnets) 15, which are plate-shaped permanent magnets, along the front-rear direction, and these plate-shaped second magnets 15 have the same shape as each other. Specifically, the linear first magnet section 5 is configured by sequentially fixing the front and rear adjacent plate-shaped second magnets 15 to the upper half of the rear surface of the front plate-shaped second magnet 15 and the lower half of the front surface of the rear plate-shaped second magnet 15 in order to be connected to each other by adhesive or welding, and then covering the periphery of these plate-shaped second magnets 15 with a non-magnetic case (not shown). Note that in FIG. 2(c), for the sake of convenience of explanation, some of all the plate-shaped second magnets 15 constituting the linear first magnet section 5 are shown cut away.

[0021] The left side surface 15a of each plate-shaped second magnet 15 on the lower side as viewed in FIG. 2(a) has a magnetic pole of S pole, and the right side surface (other surface) 15b on the upper side as viewed in FIG. 2(a) has a magnetic pole of N pole, which is the same as the left side surface (one surface) 9a of the plate-shaped first magnet 9. That is, the right side surface (one side facing surface) 15b of each plate-shaped second magnet 15 can face the left side surface (one surface) 9a of the plate-shaped first magnet 9 of the moving part 3 that moves forward between the linear first magnet part 5 and the linear second magnet part 7, as shown in FIG. 3, and has the same polarity as this left side surface 9a. Therefore, a repulsive force CL is applied between the left side surface 9a of the plate-shaped first magnet 9 and the right side surface 15b of the plate-shaped second magnet 15. In addition, when the linear first magnet part 5 is placed on the plane G, the left side surface 15a and the right side surface 15b of each plate-shaped second magnet 15 are vertical surfaces perpendicular to the plane G.

[0022] As shown in Figs. 4(b) and (c), the lower end of the rear end of each plate-shaped second magnet 15 (for example, the lower right corner as viewed in Figs. 4(b) and (c)) is in contact with the plane G, while the lower end of the front end of each plate-shaped second magnet 15 (the lower left corner as viewed in Figs. 4(b) and (c)) is floating above the plane G. In other words, each plate-shaped second magnet 15 is inclined upward toward the front so that the inclination angle between the bottom surface of this plate-shaped second magnet 15 and the plane G is a predetermined angle (acute angle). In addition, the inclination angles of each plate-shaped second magnet 15 are the same. Therefore, when the linear first magnet part 5 is placed on the plane G, the second center line (first center line on the stationary side) C2 passing through the center in the height direction of each plate-shaped second magnet 15 intersects with the first center line C1 of the plate-shaped first magnet 9 at a predetermined angle as viewed from the vertical direction.

[0023] As shown in FIG. 2(b), the linear second magnet section 7 is configured by arranging a plurality of plate-shaped third magnets 17, which are plate-shaped permanent magnets, in the same manner as the linear first magnet section 5 described above, along the front-rear direction, and these plate-shaped third magnets 17 have the same shape as each other. Specifically, the linear second magnet section 7 is configured by sequentially fixing the front and rear adjacent plate-shaped third magnets 17 to the upper half of the rear face of the front plate-shaped third magnet 17 and the lower half of the front face of the rear plate-shaped third magnet 17 in order to be connected to each other by adhesive or welding, and then covering the periphery of these third magnets 15 with a non-magnetic case (not shown). Note that, in FIG. 2(b), as in FIG. 2(c), for convenience of explanation, only a portion of all the plate-shaped third magnets 17 constituting the linear second magnet section 7 is shown.

[0024] The left side surface (opposing surface on the other side) 17a on the lower side as viewed in FIG. 2(a) of each plate-shaped third magnet 17 has the same magnetic pole of S as the right side surface (opposing surface on the other side) 9b of the plate-shaped first magnet 9, and the right side surface 17b on the upper side as viewed in FIG. 2(a) has a magnetic pole of N. That is, the left side surface (opposing surface on the other side) 17a of each plate-shaped third magnet 17 can face the right side surface (opposing surface on the other side) 9b of the plate-shaped first magnet 9 of the moving part 3 that moves forward between the linear first magnet part 5 and the linear second magnet part 7 as shown in FIG. 3, and has the same polarity as this right side surface 9b. Therefore, a repulsive force CR acts between the right side surface 9b of the plate-shaped first magnet 9 and the left side surface 17a of the plate-shaped third magnet 17. In addition, when the linear second magnet part 7 is placed on the plane G, the left side surface 17a and the right side surface 17b of each plate-shaped third magnet 17 are vertical surfaces perpendicular to the plane G.

[0025] As shown in Figs. 4(b) and (c), the lower end of the rear end of each plate-shaped third magnet 17 (for example, the lower right corner as viewed in Figs. 3(b) and (c)) is in contact with the plane G, while the tip end of each plate-shaped third magnet 17 (the end on the left side as viewed in Figs. 3(b) and (c)) is floating above the plane G. In other words, each plate-shaped third magnet 17 is inclined upward toward the front so that the inclination angle between the bottom surface of this plate-shaped third magnet 17 and the plane G is the same predetermined angle as the inclination angle between the plate-shaped second magnet 15 and the plane G, and the inclination angles of each plate-shaped third magnet 17 are the same as each other. Therefore, when the linear second magnet portion 7 is placed on the plane G, the third center line (second center line on the stationary side) C3 passing through the center in the height direction of each plate-shaped third magnet 17 is parallel to the second center line C2 when viewed vertically, and intersects with the first center line C1 of the plate-shaped first magnet 9 at a predetermined angle (acute angle).

[0026] As shown in FIG. 1, the linear first magnet portion 5 and the linear second magnet portion 7 are formed to have the same length. The linear first magnet portion 5 and the linear second magnet portion 7 are arranged at a predetermined interval so as to be parallel to each other and face each other on the plane G. In this state, the linear first magnet portion 5 and the linear second magnet portion 7 are arranged so that the tip of the linear second magnet portion 7 is located forward of the tip of the linear first magnet portion 5 by half the length in the front-rear direction of the plate-shaped third magnet 17 inclined at a predetermined angle (hereinafter simply referred to as the "front-rear length of the magnet"). In other words, the linear first magnet portion 5 and the linear second magnet portion 7 are positioned such that the respective plate-shaped second magnets 15 and plate-shaped third magnets 17 are shifted forward and backward by half the front-rear length of the magnets when viewed from the vertical direction (see FIG. 1).

[0027] Specifically, as can be seen from Fig. 1, the plate-shaped second magnet 15 (the plate-shaped second magnet 15 on the left side in Fig. 1) located at the front among the (plurality) plate-shaped second magnets 15 constituting the linear first magnet section 5, and the plate-shaped third magnet 17 (the plate-shaped third magnet 17 on the left side in Fig. 1) located at the front among the plate-shaped third magnets 17 constituting the linear second magnet section 7, the linear first magnet section 5 and the linear second magnet section 7 are arranged so that the lower tip of the frontmost plate-shaped second magnet 15 is located at the center of the frontmost plate-shaped third magnet 17. Note that, as for the linear first magnet section 5 and the linear second magnet section 7, it is sufficient that the respective plate-shaped second magnets 15 and the plate-shaped third magnets 17 are shifted forward and backward from each other when viewed from the vertical direction (in other words, it is sufficient that the plate-shaped second magnet 15 and the plate-shaped third magnet 17 are not overlapped so as to coincide when viewed from the vertical direction), and the degree of shift can be appropriately set according to the specifications, etc. In addition, in this embodiment, the linear second magnet portion 7 is shifted forward relative to the linear first magnet portion 5, but it goes without saying that instead, the one-side magnet 5 may be shifted forward relative to the other-side magnet 7.

[0028] In this embodiment, each plate-shaped second magnet 15 and each third magnet 7 have the same shape, so the plate-shaped second magnet 15 of the linear first magnet portion 5 and the plate-shaped third magnet 17 of the linear second magnet portion 7 facing this plate-shaped second magnet 15 have the positional relationship described below.

[0029] That is, taking the frontmost plate-shaped second magnet 15 of the linear first magnet section 5 as an example, the front half (the left half in FIG. 1) of the plate-shaped second magnet 15 faces the rear half (the right half in FIG. 1) of the frontmost plate-shaped third magnet 17 of the linear second magnet section 7, and the rear half of the plate-shaped second magnet 15 faces the front half of the plate-shaped third magnet 17 (the second plate-shaped third magnet 17 from the left in FIG. 1) located behind the frontmost plate-shaped third magnet 17. In other words, the plate-shaped second magnet 15 faces two adjacent plate-shaped third magnets 17 (in a state of overlapping positional relationship when viewed from the vertical direction), and the plate-shaped third magnet 17 also faces two adjacent plate-shaped second magnets 15.

[0030] In this embodiment, when the moving part 3 is placed between the linear first magnet part 5 and the linear second magnet part 7 on the plane G as shown in Figs. 4(b) and (c), the first center line C1 of the plate-shaped first magnet 9 of the moving part 3 is below the second center line C2 of each plate-shaped second magnet 15 of the linear first magnet part 5 (below the right end of the center line C2 in Fig. 4(c)) and below the third center line C3 of each third magnet 7 of the linear second magnet part 7 (below the right end of the center line C3 in Fig. 4(b)). In this case, as shown in Fig. 3, a repulsive force acts between the plate-shaped first magnet 9 and the plate-shaped second magnet 15 in the direction indicated by the arrow D (diagonally downward to the right in Fig. 3), and a repulsive force acts between the second magnet 9 and the plate-shaped third magnet 17 in the direction indicated by the arrow E (diagonally downward to the left in Fig. 3). As a result, the moving part 3 is pressed against the plane G as shown by the arrow B, and the moving part 3 does not rise up from the plane G, so that the moving part 3 is stably and horizontally placed on the plane G.

[0031] Next, the operation of this embodiment will be described based on the above-mentioned configuration. First, as shown in Fig. 5, the moving part 3 is placed (disposed) at an appropriate first position between the linear first magnet part 5 and the linear second magnet part 7 on the plane G, for example, a position between the front and rear plate-shaped third magnets 17 and the plate-shaped second magnet 15 located between them when viewed vertically (the position of the moving part 3 on the right side in Fig. 5). At this time, as described above, the moving part 3 is stably placed on the plane G, and the plate-shaped first magnet 9 of this moving part 3 is also perpendicular to the plane G (see Fig. 3).

[0032] The plate-shaped second magnet 15 and the plate-shaped third magnet 17 are inclined upward toward the front with respect to the plate-shaped first magnet 9, and are in a positional relationship in which they are shifted from each other in the front-rear direction. Therefore, the range where the left side surface 17a of the plate-shaped third magnet 17 faces the right side surface 9b of the plate-shaped first magnet 9 (see FIG. 4(b)) is smaller than the range where the right side surface 15b of the plate-shaped second magnet 15 faces the left side surface 9a of the plate-shaped first magnet 9 (see FIG. 4(c)) (in other words, the exposed range (exposed area) of the right side surface 9b of the plate-shaped first magnet 9 that does not overlap with the plate-shaped third magnet 17 is larger than the exposed range of the left side surface 9a of the plate-shaped first magnet 9 that does not overlap with the plate-shaped second magnet 15). As a result, the repulsive force CL between the plate-shaped first magnet 9 and the plate-shaped second magnet 15 is larger than the repulsive force CR between the second magnet 9 and the plate-shaped third magnet 17 (CL>CR).

[0033] Furthermore, due to the fact that the plate-shaped second magnet 15 and the plate-shaped third magnet 17 are inclined upwards toward the front with respect to the plate-shaped first magnet 9, as shown in FIG. 4(c), the area of ​​the left side 9a of the plate-shaped first magnet 9 that faces the right side 15b of the plate-shaped second magnet 15 (the area that the plate-shaped second magnet 15 covers of the left side 9a of the plate-shaped first magnet 9 when viewed vertically) is larger on the rear side of the plate-shaped first magnet 9 than on the front side (in other words, the exposed area of ​​the left side 9a of the plate-shaped first magnet 9 is larger on the front side than on the rear side of the plate-shaped first magnet 9). 4(b), the area of ​​the right side 9b of the plate-shaped first magnet 9 facing the left side 17a of the plate-shaped third magnet 17 (the area of ​​the plate-shaped third magnet 17 covering the right side 9b of the plate-shaped first magnet 9 when viewed vertically) is larger on the rear side than on the front side of the plate-shaped first magnet 9 (in other words, the exposed area of ​​the right side 9b of the plate-shaped first magnet 9 is larger on the front side than on the rear side of the plate-shaped first magnet 9). As a result, the repulsive force CL between the plate-shaped first magnet 9 and the plate-shaped second magnet 15 and the repulsive force CR between the plate-shaped magnet 9 and the plate-shaped third magnet 17 are both stronger on the rear side than on the front side of the plate-shaped first magnet 9, so that the moving part 3 to which the plate-shaped first magnet 9 is attached moves in the forward direction indicated by the arrow A.

[0034] After that, when the moving part 3 reaches the second position (the position of the moving part 3 in the center in FIG. 5) between the front and rear plate-shaped second magnets 15 and the plate-shaped third magnet 17 located between them, as in the first position, the moving part 3 is also stably placed on the plane G, and the plate-shaped first magnet 9 of the moving part 3 is also perpendicular to the plane G. In this second position, contrary to the first position, the range in which the right side surface 15b of the plate-shaped second magnet 15 faces the left side surface 9a of the plate-shaped first magnet 9 is smaller than the range in which the left side surface 17a of the plate-shaped third magnet 17 faces the right side surface 9b of the plate-shaped first magnet 9 (in other words, the exposed range of the left side surface 9a of the plate-shaped first magnet 9 is larger than the exposed range of the right side surface 9b of the plate-shaped first magnet 9). As a result, the repulsive force CR between the plate-shaped first magnet 9 and the plate-shaped third magnet 17 becomes larger than the repulsive force CL between the plate-shaped first magnet 9 and the plate-shaped second magnet 15 (CR>CL).

[0035] Also, even in this second position, the area of ​​the left side surface 9a of the first plate-shaped magnet 9 facing the right side surface 15b of the second plate-shaped magnet 15 is larger on the rear side than on the front side of the first plate-shaped magnet 9, and the area of ​​the right side surface 9b of the first plate-shaped magnet 9 facing the left side surface 17a of the third plate-shaped magnet 17 is larger on the rear side than on the front side of the first plate-shaped magnet 9. As a result, the repulsive force CL between the first plate-shaped magnet 9 and the second plate-shaped magnet 15 and the repulsive force CR between the second magnet 9 and the third plate-shaped magnet 17 are both stronger on the rear side of the first plate-shaped magnet 9 than on the front side of the first plate-shaped magnet 9, so that the moving part 3 to which the first plate-shaped magnet 9 is attached moves in the forward direction indicated by the arrow A.

[0036] In this way, as shown in FIG. 5, the moving part 3 moves forward by repeating the process of moving from an initial first position (the position of the moving part 3 on the left side in FIG. 5) to an initial second position (the position of the moving part 3 in the center in FIG. 5) which is located further forward than the initial first position, and then moving to a second first position (the position of the moving part 3 on the left side in FIG. 5) which is located further forward than the second position, and then to a second second position (not shown) which is located forward of the second first position.

[0037] Here, the moving part 3 moves because the magnetic force generated from the plate-shaped first magnet 9 of the moving part 3, the magnetic force generated from each plate-shaped second magnet 15 of the linear first magnet part 5, and the magnetic force generated from each plate-shaped third magnet 17 of the linear second magnet part 7 are always working. For this reason, if at least one of these magnets 9, 15, and 17 loses its magnetic force (is demagnetized) due to, for example, being heated to a temperature exceeding the Curie point due to some factor, a long-lasting strong external impact, or a factor such as self-demagnetization, the factor (energy) for moving the moving part 3 disappears, and the moving part 3 cannot move. Therefore, it should be noted that the thrust generating mechanism 1 of this embodiment does not correspond to a so-called perpetual motion machine.

[0038] As described above, since each plate-shaped second magnet 15 of the linear first magnet section 5 and each plate-shaped third magnet 17 of the linear second magnet section 7 are inclined, the repulsive force CL between the plate-shaped first magnet 9 and the plate-shaped second magnet 15 and the repulsive force CR between the second magnet 9 and the plate-shaped third magnet 17 are both stronger in the rear portion of the plate-shaped first magnet 9 than in the front portion of the plate-shaped first magnet 9, so that a forward thrust can be generated in the moving section 3, and the moving section 3 can be moved sufficiently forward.

[0039] Moreover, the moving part 3 can be moved with a simple configuration of simply tilting each of the plate-shaped second magnets 15 and the plate-shaped third magnets 17. Moreover, by adjusting the tilt angles of each of the plate-shaped second magnets 15 and the plate-shaped third magnets 17, the momentum of the movement of the moving part 3, etc. can be adjusted.

[0040] Furthermore, since the linear first magnet portion 5 and the linear second magnet portion 7 are positioned with a shift from each other in the front-rear direction (the respective plate-shaped second magnets 15 constituting the linear first magnet portion 5 and the respective plate-shaped third magnets 17 constituting the linear second magnet portion 7 are positioned with a shift from each other in the front-rear direction), it is possible to prevent the repulsive forces CL and CR acting on both sides of the moving portion 3 moving forward between these magnet portions 5 and 7 from being balanced. As a result, it is possible to prevent the moving portion 3 from coming to a standstill due to the balance of magnetic forces (it is possible to prevent the balance of magnetic forces from acting as a brake on the moving portion 3), and it is possible to ensure smooth movement of the moving portion 3.

[0041] In addition, the plate-shaped second magnets 15 and the plate-shaped third magnets 17 are formed in the same shape and inclined at the same predetermined angle, and the plate-shaped second magnets 15 and the plate-shaped third magnets 17 of the linear first magnet section 5 and the linear second magnet section 7 are positioned such that they are shifted forward and backward by half the horizontal length of the magnets, so that the distance between the first first position and the first second position (hereinafter simply referred to as the "first period"), the distance between the first second position and the second first position (hereinafter simply referred to as the "second period"), and the distance between the second first position and the second second position (hereinafter simply referred to as the "third period") can be the same. In addition, the repulsive forces CL and CR acting on the moving section 3 in the first to third periods can be made to change at the same rate, so that the moving section 3 can be moved at a constant speed.

[0042] Next, a second embodiment will be described with reference to Fig. 6. In the description, the same components as those in the first embodiment will be denoted by the same reference numerals, and the description thereof will be omitted or simplified. In addition, in the description of the second embodiment, the differences from the first embodiment will be mainly described. Note that Fig. 6 is a schematic diagram of a thrust generating mechanism 30 according to the second embodiment.

[0043] As shown in Figures 6(a) and (b), the thrust generating mechanism (thrust generating device) 30 of the second embodiment has a circular first magnet portion (one side magnet portion) 31, a circular second magnet portion (other side magnet portion or one side magnet portion) 33, and a circular third magnet portion (other side magnet portion) 35 which are placed on a plane G and form concentric rings with each other, moving portions 41, 42 located between the annular first magnet portion 31 and the annular second magnet portion 33, moving portions 43, 44 located between the annular second magnet portion 33 and the annular third magnet portion 35, and a moving direction regulating portion 51 which regulates the moving direction of these moving portions 41, 42, 43, 44 (hereinafter, these may be collectively referred to as "moving portion 41, etc.").

[0044] As shown in FIG. 6(b), the direction regulating part 51 has a rotating shaft 53 rotatably supported by a bearing (not shown) provided on the plane G, and a rod-shaped support part 55 extending from the upper end of the rotating shaft 53 in parallel to the plane G. The center part of the support part 55 is attached to the rotating shaft 53, and both ends of the support part 55 are located between the annular second magnet part 33 and the annular third magnet part 35. In addition, hanging parts 63, 64 are provided at both ends of the support part 55, respectively, and hanging parts 61, 62 are provided at positions corresponding to the positions between the annular first magnet part 31 and the annular second magnet part 33 on the support part 53, respectively. The plate-shaped first magnet 9 described in the first embodiment is fixed to the lower ends of the hanging parts 61, 62, 63, 64 so as to have a predetermined gap from the plane G (so as to float above the plane G).

[0045] That is, hanging portion 61 and plate-shaped first magnet 9 form moving portion 41, hanging portion 62 and plate-shaped first magnet 9 form moving portion 42, hanging portion 63 and plate-shaped first magnet 9 form moving portion 43, and hanging portion 64 and plate-shaped first magnet 9 form moving portion 44. The movements of moving portions 41 and the like are restricted in the circumferential direction (rotational direction) about rotating shaft 53 by movement direction restricting portion 51 consisting of rotating shaft 53 and support portion 55. As will be described later, moving portions 41 and the like are adapted to move in a clockwise direction, which is a first direction indicated by arrow F when viewed in FIG. 6(a).

[0046] 6(a), the annular first magnet portion 31 is formed in a circular shape centered on the rotation axis 53 by connecting a plurality of arc-shaped second magnets 65, each of which is curved in an arc shape, in a circular shape. That is, the arc-shaped second magnets 65 are formed by bending the entire plate-shaped magnet into an arc shape that follows the annular first magnet portion 31, and each arc-shaped second magnet 65 constitutes a part of the ring of the annular magnet portion 31. In this embodiment, each arc-shaped second magnet 65 has the same shape as each other.

[0047] Specifically, as shown in Fig. 6(c), the annular first magnet section 31 is configured by sequentially fixing the upper half of the front surface of the arc-shaped second magnet 65 on the upstream side (right side as viewed in Fig. 6(c)) of the moving section 41 etc. in the moving direction to the upper half of the rear surface of the arc-shaped second magnet 65 on the downstream side (left side as viewed in Fig. 6(c)) of the rotating direction of the moving section 41 etc. by gluing or welding, etc., so that they are connected to each other, and then covering the periphery of these arc-shaped second magnets 65 with a non-magnetic case (not shown). Note that Fig. 6(c) shows one pair of all the arc-shaped second magnets 65 constituting the annular first magnet section 31 for ease of explanation.

[0048] The outer surface (one-side facing surface) 65a of each arc-shaped second magnet 65, which is on the outside as viewed in Fig. 6(a), has the same magnetic pole of N as the inner surface (left side surface in the first embodiment) 9a of the plate-shaped first magnet 9 of the moving section 41 and the inner surface (left side surface in the first embodiment) 9a of the plate-shaped first magnet 9 of the moving section 42, and the inner surface 65b on the inside as viewed in Fig. 6(a) has a magnetic pole of S. That is, the outer surface 65a of each arc-shaped second magnet 65 can face the inner surface (one surface) 9a of the plate-shaped first magnet 9 of the moving section 41, which moves in the direction of arrow F between the annular first magnet section 31 and the annular second magnet section 33, and the inner surface (one surface) 9a of the plate-shaped first magnet 9 of the moving section 42, as shown in Fig. 6(b), and has the same polarity as these inner surfaces 9a, 9a. For this reason, a repulsive force acts between the inner side surface 9a of the plate-shaped first magnet 9 of the moving section 41 and the inner side surface 9a of the plate-shaped first magnet 9 of the moving section 42 and the outer side surface 65a of the arc-shaped second magnet 65. In addition, when the annular first magnet section 31 is placed on the plane G, the outer side surface 65a and the inner side surface 65b of each arc-shaped second magnet 65 are vertical surfaces perpendicular to the plane G.

[0049] As shown in FIG. 6(c), the lower end of the rear end of each of the arc-shaped second magnets 65 (the lower right corner as viewed in FIG. 6(c)) is in contact with the plane G, while the lower end of the front end of each of the arc-shaped second magnets 65 (the lower left corner as viewed in FIG. 6(c)) is floating above the plane G. In other words, each of the arc-shaped second magnets 65 is inclined upward toward the front so that the inclination angle between the bottom surface of each of the arc-shaped second magnets 65 and the plane G is a predetermined angle (acute angle). In addition, the inclination angles of each of the arc-shaped second magnets 65 are the same. Therefore, when the annular first magnet portion 31 is placed on the plane G, the fourth center line (the stationary side first center line) C4 passing through the center in the height direction of each of the arc-shaped second magnets 65 is inclined so as to intersect with the first center line C1 of the plate-shaped first magnet 9 at a predetermined angle when viewed from the vertical direction. In other words, the fourth center line C4 is inclined at a predetermined angle with respect to the plane G (the fourth center line C4 is not parallel to the first center line C1).

[0050] As shown in FIG. 6(a), the annular second magnet portion 33 is larger than the annular first magnet portion 31. The annular second magnet portion 33 is formed in an annular shape centered on the rotation axis 53 by connecting a plurality of arc-shaped third magnets 66 curved in an arc shape in an annular shape. That is, the arc-shaped third magnet 66 is formed by curving the entire arc-shaped magnet in an arc shape along the annular second magnet portion 33, and each arc-shaped third magnet 66 constitutes a part of the annular ring of the annular second magnet portion 33. In addition, in this embodiment, each arc-shaped third magnet 66 has the same height as the arc-shaped second magnet 65, but is longer than the arc-shaped second magnet 65. In addition, these arc-shaped third magnets 66 have the same shape as each other.

[0051] Specifically, as shown in Fig. 6(c), the annular second magnet section 33 is configured by sequentially fixing adjacent arc-shaped third magnets 66, 66 to each other by bonding, welding, or the like, the upper half of the front surface of the arc-shaped third magnet 66 on the upstream side (right side as viewed in Fig. 6(c)) in the moving direction of the moving section 41, etc., and the lower half of the rear surface of the arc-shaped third magnet 66 on the downstream side (left side as viewed in Fig. 6(c)) in the rotating direction of the moving section 41, etc., so that they are connected to each other, and then covering the periphery of these arc-shaped third magnets 66 with a non-magnetic case (not shown). Note that, for ease of explanation, Fig. 6(c) shows one pair of all the arc-shaped third magnets 66 that constitute the annular second magnet section 33.

[0052] The outer surface (one-side facing surface) 66a of each arc-shaped third magnet 66, as viewed in Figure 6(a), has the same N pole as the inner surface 9a of the plate-shaped first magnet 9 of moving section 43 and the inner surface 9a of the plate-shaped first magnet 9 of moving section 44, and the inner surface (the other-side facing surface) 66b, as viewed in Figure 6(a), has the same S pole as the outer surface (right side surface in the first embodiment) 9b of the plate-shaped first magnet 9 of moving section 41 and the outer surface (right side surface in the first embodiment) 9b of the plate-shaped first magnet 9 of moving section 42. That is, as shown in Fig. 6(b), the outer surface 66a of each arc-shaped third magnet 66 can face the inner surface (one surface) 9a of the plate-shaped first magnet 9 of the moving section 43 that moves in the direction of arrow F between the annular second magnet section 33 and the annular third magnet section 35 and the inner surface (one surface) 9a of the plate-shaped first magnet 9 of the moving section 44, and has the same polarity as these inner surfaces 9a, 9a. Also, the inner surface 66b of each arc-shaped third magnet 66 can face the outer surface (the other surface) 9b of the plate-shaped first magnet 9 of the moving section 41 that moves in the direction of arrow F between the annular first magnet section 31 and the annular second magnet section 33 and the outer surface (the other surface) 9b of the plate-shaped first magnet 9 of the moving section 42, and has the same polarity as these outer surfaces 9b, 9b. For this reason, a repulsive force acts between the inner side surface 9a of the plate-shaped first magnet 9 of the moving section 43 and the inner side surface 9a of the plate-shaped first magnet 9 of the moving section 44 and the outer side surface 66a of the arc-shaped third magnet 66, and between the outer side surface 9b of the plate-shaped first magnet 9 of the moving section 41 and the outer side surface 9b of the plate-shaped first magnet 9 of the moving section 42 and the inner side surface 66b of the arc-shaped third magnet 66. In addition, when the annular second magnet section 33 is placed on the plane G, the outer side surface 66a and the inner side surface 66b of each arc-shaped third magnet 66 are vertical surfaces perpendicular to the plane G.

[0053] As shown in FIG. 6(c), the lower end of the rear end of each of the arc-shaped third magnets 66 (the lower right corner as viewed in FIG. 6(c)) is in contact with the plane G, while the lower end of the front end of each of the arc-shaped third magnets 66 (the lower left corner as viewed in FIG. 6(c)) is floating above the plane G. In other words, each of the arc-shaped third magnets 66 is inclined upward toward the front so that the inclination angle between the bottom surface of each of the arc-shaped third magnets 66 and the plane G is a predetermined angle (acute angle). In addition, the inclination angles of each of the arc-shaped third magnets 66 are the same. Therefore, when the annular second magnet portion 33 is placed on the plane G, the fifth center line (the stationary side first center line or the stationary side second center line) C5 passing through the center in the height direction of each of the arc-shaped third magnets 66 is inclined so as to intersect with the first center line C1 of the plate-shaped first magnet 9 at a predetermined angle when viewed from the vertical direction. In other words, the fourth center line C4 is inclined at a predetermined angle with respect to the plane G (the fourth center line C4 is not parallel to the first center line C1). In this embodiment, the inclination angle of the arc-shaped third magnet 66 is the same as that of the arc-shaped second magnet 65 described above.

[0054] As shown in FIG. 6(a), the annular third magnet portion 35 is larger than the annular second magnet portion 33. The annular third magnet portion 35 is formed in an annular shape centered on the rotation axis 53 by connecting a plurality of arc-shaped fourth magnets 67 curved in an arc shape in an annular shape. That is, the arc-shaped fourth magnet 67 is formed by curving the entire arc-shaped magnet in an arc shape along the annular third magnet portion 35, and each arc-shaped fourth magnet 67 constitutes a part of the annular ring of the annular third magnet portion 35. In addition, in this embodiment, each arc-shaped fourth magnet 67 has the same height as the arc-shaped third magnet 66, but is longer than the arc-shaped third magnet 66. In addition, these arc-shaped fourth magnets 67 have the same shape as each other.

[0055] Specifically, as shown in Fig. 6(c), the annular third magnet section 35 is configured by sequentially fixing adjacent arc-shaped fourth magnets 67, 67 to each other by bonding, welding, or the like, the upper half of the rear face of the arc-shaped fourth magnet 67 on the upstream side (right side as viewed in Fig. 6(c)) in the moving direction of the moving section 41, etc., and the lower half of the front face of the arc-shaped fourth magnet 67 on the downstream side (left side as viewed in Fig. 6(c)) in the rotating direction of the moving section 41, etc., so that they are connected to each other, and then covering the periphery of these arc-shaped fourth magnets 67 with a non-magnetic case (not shown). Note that Fig. 6(c) shows one pair of all the arc-shaped fourth magnets 67 constituting the annular third magnet section 35 for ease of explanation. In addition, in Figure 6 (c), the arc-shaped second magnet 65, the arc-shaped third magnet 66, and the arc-shaped fourth magnet 67 only differ in length as described above, so for ease of explanation, these magnets 65, 66, and 67 are illustrated in the same diagram.

[0056] The outer surface (one-side facing surface) 67a of each of the arc-shaped fourth magnets 67 on the outer side as viewed in FIG. 6(a) has a magnetic pole of N, and the inner surface (other-side facing surface) 67b on the inner side as viewed in FIG. 6(a) has a magnetic pole of S, which is the same as the outer surface 9b of the plate-shaped first magnet 9 of the moving section 43 and the outer surface 9b of the plate-shaped first magnet 9 of the moving section 44. That is, the inner surface 67b of each of the arc-shaped fourth magnets 67 can face the outer surface 9b of the plate-shaped first magnet 9 of the moving section 43 and the outer surface 9b of the plate-shaped first magnet 9 of the moving section 44, which move in the direction of the arrow F between the annular second magnet section 33 and the annular third magnet section 35, and has the same polarity as these outer surfaces 9b, 9b. Therefore, a repulsive force acts between the outer surface 9b of the plate-shaped first magnet 9 of the moving section 43 and the outer surface 9b of the plate-shaped first magnet 9 of the moving section 44 and the inner surface 67b of the arc-shaped fourth magnet 67. In addition, in a state in which the annular third magnet portion 35 is placed on the plane G, the outer side surface 67a and the inner side surface 67b of each of the arc-shaped fourth magnets 67 are perpendicular to the plane G.

[0057] As shown in FIG. 6(c), the lower end of the rear end of each of the arc-shaped fourth magnets 67 (the lower right corner as viewed in FIG. 6(c)) is in contact with the plane G, while the lower end of the front end of each of the arc-shaped fourth magnets 67 (the lower left corner as viewed in FIG. 6(c)) is floating above the plane G. In other words, each of the arc-shaped fourth magnets 67 is inclined upward toward the front so that the inclination angle between the bottom surface of each of the arc-shaped fourth magnets 67 and the plane G is a predetermined angle (acute angle). In addition, the inclination angles of each of the arc-shaped fourth magnets 67 are the same. Therefore, when the annular third magnet portion 35 is placed on the plane G, the sixth center line (second center line on the stationary side) C6 passing through the center in the height direction of each of the arc-shaped fourth magnets 67 is inclined so as to intersect with the first center line C1 of the plate-shaped first magnet 9 at a predetermined angle when viewed from the vertical direction. In other words, the fourth center line C4 is inclined at a predetermined angle with respect to the plane G (the fourth center line C4 is not parallel to the first center line C1). In this embodiment, the inclination angle of the arc-shaped fourth magnet 67 is the same as that of the arc-shaped second magnet 65 and the arc-shaped third magnet 66 described above.

[0058] Next, the relative positions of the arc-shaped second magnets 65 of the annular first magnet portion 31, the arc-shaped third magnets 66 of the annular second magnet portion 33, and the arc-shaped fourth magnets 67 of the annular third magnet portion 35 will be explained. For ease of explanation, in FIG. 6(a), a certain arc-shaped second magnet 65 is designated by the symbol X1, and the adjacent arc-shaped second magnet 65 on the downstream side of the arrow F (hereinafter simply referred to as the "downstream side", and together with the upstream side of the arrow F simply referred to as the "upstream side") of this arc-shaped second magnet X is designated by the symbol X2. Furthermore, among the arc-shaped third magnets 66 of the annular second magnet portion 33, the arc-shaped third magnets 66 that overlap at least a portion of the arc-shaped second magnets X1 and X2 and are adjacent to each other when viewed in the vertical direction will be described as Y1, Y2, and Y3, respectively, and among the arc-shaped fourth magnets 67 of the annular third magnet portion 35, the arc-shaped fourth magnets 67 that overlap at least a portion of the arc-shaped third magnets Y1, Y2, and Y3 and are adjacent to each other when viewed in the vertical direction will be described as Z1, Z2, Z3, and Z4, respectively.

[0059] 6(a), the annular first magnet portion 31 and the annular second magnet portion 33, which are concentric with each other, are arranged at a predetermined interval so as to face each other in parallel on a plane G. The annular second magnet portion 33 and the annular third magnet portion 35, which are concentric with each other, are also arranged at the same predetermined interval so as to face each other in parallel on a plane G.

[0060] In this state, the arc-shaped second magnet X1 of the annular first magnet portion 33 is arranged so that, when viewed vertically, the left end a of the arc-shaped second magnet X1 is located between the left end e and right end f of the arc-shaped third magnet Y1 of the annular second magnet portion 35 (approximately in the center between the left and right ends e, f), and the right end b of the arc-shaped second magnet X1 is located between the left end g and right end h of the adjacent arc-shaped third magnet Y2 on the downstream side of the arc-shaped third magnet Y1 (approximately in the center between the left and right ends g, h). In addition, the arc-shaped second magnet X2 adjacent to the downstream side of the arc-shaped second magnet X1 is arranged so that, when viewed in the vertical direction, the left end c of the arc-shaped second magnet X2 is located between the left end g and right end h of the arc-shaped third magnet Y2 adjacent to the downstream side of the arc-shaped third magnet Y1 (approximately in the center of the left and right ends g, h), and the right end d of the arc-shaped second magnet X2 is located between the left end i and right end j of the arc-shaped third magnet Y3 adjacent to the downstream side of the arc-shaped third magnet Y2 (approximately in the center of the left and right ends i, j).

[0061] In addition, the arc-shaped third magnet Y1 of the annular second magnet portion 35 is arranged so that, when viewed in the vertical direction, the left end e of the arc-shaped third magnet Y1 is located between the left end k and right end l of the arc-shaped fourth magnet Z1 of the annular third magnet portion 37 (approximately in the center between the left and right ends k, l), and the right end f of the arc-shaped third magnet Y1 is located between the left end m and right end n of the adjacent arc-shaped fourth magnet Z2 on the downstream side of the arc-shaped fourth magnet Z1 (approximately in the center between the left and right ends m, n). In addition, the arc-shaped third magnet Y2 adjacent to the downstream side of the arc-shaped third magnet Y1 is arranged so that, when viewed in the vertical direction, the left end g of the arc-shaped third magnet Y2 is located between the left end m and right end n of the arc-shaped fourth magnet Z2 adjacent to the downstream side of the arc-shaped fourth magnet Z1 (approximately in the center of the left and right ends m, n), and the right end h of the arc-shaped third magnet Y2 is located between the left end o and right end p of the arc-shaped fourth magnet Z3 adjacent to the downstream side of the arc-shaped fourth magnet Z2 (approximately in the center of the left and right ends o, p). Furthermore, the arc-shaped third magnet Y3 adjacent to the downstream side of the arc-shaped third magnet Y2 is arranged so that, when viewed in the vertical direction, the left end i of the arc-shaped third magnet Y3 is located between the left end o and right end p of the arc-shaped fourth magnet Z3 (approximately in the center of the left and right ends o, p), and the right end j of the arc-shaped third magnet Y3 is located between the left end q and right end r of the arc-shaped fourth magnet Z4 adjacent to the downstream side of the arc-shaped fourth magnet Z3 (approximately in the center of the left and right ends q, r).

[0062] In this way, for example, the arc-shaped second magnet X1 is arranged to straddle between the arc-shaped third magnets Y1 and Y2 when viewed in the vertical direction, and the upstream portion of the arc-shaped second magnet X1 (the left half in FIG. 6(a)) faces the downstream portion of the arc-shaped third magnet Y1 of the arrow F (the right half in FIG. 6(a)), and the downstream portion of the arc-shaped second magnet X1 faces the upstream portion of the arc-shaped third magnet Y2. Also, for example, the arc-shaped third magnet Y1 is arranged to straddle between the annular fourth magnets Z1 and Z2 when viewed in the vertical direction, and the upstream portion of the arc-shaped third magnet Y1 faces the downstream portion of the arc-shaped fourth magnet Z1, and the downstream portion of the arc-shaped third magnet Y1 faces the upstream portion of the arc-shaped fourth magnet Z2.

[0063] That is, the annular first magnet portion 31 and the annular second magnet portion 33 are arranged in a positional relationship such that, when viewed in the vertical direction, both ends of the arc-shaped third magnets 66 of the annular second magnet portion 33 are shifted in the circumferential direction relative to both ends of the arc-shaped second magnets 65 of the annular first magnet portion 31. Also, the annular second magnet portion 33 and the annular third magnet portion 35 are arranged in a positional relationship such that, when viewed in the vertical direction, both ends of the arc-shaped fourth magnets 67 of the annular third magnet portion 35 are shifted in the circumferential direction relative to both ends of the arc-shaped third magnets 66 of the annular second magnet portion 33. As in the first embodiment described above, the annular first magnet portion 31, the annular second magnet portion 33 and the annular third magnet portion 35 only need to have their respective arc-shaped second magnets 65, arc-shaped third magnets 66 and arc-shaped fourth magnets 67 offset from each other in the circumferential direction when viewed from the vertical direction (in other words, only need to have at least one of the ends of the arc-shaped second magnet 65 and at least one of the ends of the arc-shaped second magnet 66 that face each other not overlap so that they coincide with each other when viewed from the vertical direction, and also only need to have at least one of the ends of the arc-shaped third magnet 66 and at least one of the ends of the arc-shaped fourth magnet 67 that face each other not overlap so that they coincide with each other), and the degree to which they are offset can be set appropriately depending on the specifications, etc.

[0064] Also, as shown in FIG. 6(c), in this embodiment, the first center line C1 of the plate-shaped first magnet 9 of the moving part 41, etc., which is positioned to have a gap with respect to the plane G as described above, is arranged so that, as viewed in the vertical direction, it is equal to or less than the fourth center line C4 of each arc-shaped second magnet 65 of the annular first magnet part 31, equal to or less than the fifth center line C5 of each arc-shaped third magnet 66 of the annular second magnet part 33, and equal to or less than the sixth center line C6 of each arc-shaped fourth magnet 67 of the annular third magnet part 35, as in the first embodiment. Therefore, as described in FIG. 3 according to the first embodiment, a repulsive force acts on the moving parts 41 and 42 between the annular first magnet part 31 and the annular second magnet part 33 in a direction pressing them toward the plane G (see arrow B), and a repulsive force also acts on the moving parts 43 and 44 between the annular second magnet part 33 and the annular third magnet part 35 in a direction pressing them toward the plane G. As a result, the moving part 41, etc., is kept in a stable state in which it does not float up from the plane G.

[0065] In this embodiment having such a configuration, similarly to the first embodiment described above, the arc-shaped second magnet 65, the arc-shaped third magnet 66, and the arc-shaped fourth magnet 67 are each inclined upward toward the front with respect to each plate-shaped first magnet 9 of the moving section 41, etc., and are in a positional relationship shifted from each other in the circumferential direction, which causes the magnets to move in the direction of arrow F shown in Fig. 6(a) (rotate around the rotating shaft 53), thereby achieving the same effect as the first embodiment. Also, in the second embodiment, since the rotating shaft 53 is rotated only by magnetic force (repulsive force), it is possible to generate power as long as the rotating shaft 53 continues to rotate by magnetic force by extracting electrical energy from the rotation of the rotating shaft 53 (making it possible to convert the energy due to the rotation into electrical energy). It should be noted that in this embodiment as well, similarly to the first embodiment described above, if at least one of the plate-shaped first magnet 9, the arc-shaped second magnet 65, the arc-shaped third magnet 66, and the arc-shaped fourth magnet 67 loses magnetic force for some reason, the moving part 41 etc. cannot move, so the thrust generating mechanism 30 in this embodiment does not correspond to a so-called perpetual motion machine.

[0066] The present invention is not limited to the above-described embodiments, and appropriate modifications can be made without departing from the spirit and scope of the present invention.

[0067] For example, in the first embodiment, the moving part 3 is moved by the linear first magnet part 5 consisting of a plurality of plate-shaped second magnets 15 and the linear second magnet part 7 consisting of a plurality of plate-shaped third magnets 17. Instead of this, the thrust generating mechanism 1 may be configured by a single plate-shaped second magnet 15, a single plate-shaped third magnet 17 arranged offset in either the front-rear direction with respect to the plate-shaped second magnet 15, and the moving part 3, and even in this case, the moving part 3 can be moved. In this case, the front-rear length of the magnets in the plate-shaped second magnet 15 and the plate-shaped third magnet 17 is preferably at least twice the front-rear length of the magnet in the plate-shaped first magnet 9 of the moving part 3. The same can be said about the second embodiment.

[0068] In the above-described first embodiment, the plate-shaped second magnets 15 and the plate-shaped third magnets 17 are configured to be formed in the same shape and inclined at the same predetermined angle, but instead, it is possible to change the moving speed of the moving part 3 during movement by making the shape or size of some of the second magnets (or some of the third magnets) different from that of the other second magnets (or other third magnets), or by making the inclination angle of some of the second magnets (or third magnets) different from that of the other magnets. In other words, the behavior of the moving part 3 with respect to its movement may be adjusted by making the shape, size, and inclination angle of some of the second magnets or third magnets different. The same can be said about the second embodiment.

[0069] In the second embodiment described above, the plate-shaped first magnet 9 is used, but instead of this, an arc-shaped first magnet may be used in which the entire plate-shaped first magnet 9 is curved in an arc shape along the annular first magnet portion 31. In this case, no matter where this arc-shaped first magnet is located between the annular first magnet portion 31 and the annular second magnet portion 33 (between the annular second magnet portion 33 and the annular third magnet portion 35), the distance between the arc-shaped first magnet 9 and the arc-shaped second magnet 65 of the annular first magnet portion 31 (the distance between the arc-shaped first magnet and the arc-shaped third magnet 66 of the annular second magnet portion 33) and the distance between the arc-shaped first magnet 9 and the arc-shaped second magnet 66 of the annular second magnet portion 33 (the distance between the arc-shaped first magnet and the arc-shaped fourth magnet 67 of the annular third magnet portion 35) are always the same, so that the movement of the moving portion 41 and the like can be made smoother. [Explanation of symbols]

[0070] 1 Thrust generation mechanism 3. Moving Part 5. Linear first magnet section (one side magnet section) 7 Linear second magnet section (other side magnet section) 9 Plate-shaped first magnet (first magnet) 9a Left side (one side) of plate-shaped first magnet 9b Right side surface (other surface) of plate-shaped first magnet 15 Plate-shaped second magnet (second magnet) 15a: Right side surface of plate-shaped second magnet (opposing surface on one side) 17 Plate-shaped third magnet (third magnet) 17b Right side surface of plate-shaped third magnet (opposing surface to the other side) 30 Thrust generation mechanism 31 Annular first magnet section (one side magnet section) 33 Annular second magnet part (one side magnet part or other side magnet part) 35 Annular third magnet part (other side magnet part) 41, 42, 43, 44 Moving part 65 Arc-shaped second magnet (second magnet) 65a: Outer surface of the arc-shaped second magnet (opposing surface on one side) 66 Arc-shaped third magnet (second magnet or third magnet) 66a Outer surface of arc-shaped third magnet (opposing surface on one side) 66b Inner surface of the arc-shaped third magnet (opposing surface on the other side) 67 Arc-shaped fourth magnet (third magnet) 67b Inner surface of the arc-shaped fourth magnet (opposing surface on the other side) C1 First center line (moving side center line) C2 Second center line (immovable side first center line) C3 Third center line (immovable side second center line) C4 Fourth center line (immovable side first center line) C5 Fifth center line (first center line on the stationary side or second center line on the stationary side) C6 Sixth center line (immovable side second center line)

Claims

1. a moving section whose moving direction is restricted to a first direction and to which a first magnet is attached; a one-side magnet portion in which a plurality of second magnets are arranged on one surface side of the first magnet and along the first direction; an other-side magnet portion including a plurality of third magnets arranged on the other surface side of the first magnet opposite to the one surface and along the first direction; Equipped with the second magnets of each of the one-side magnet portions are capable of facing the one surface of the first magnet and have one-side opposing surfaces of the same polarity as the one surface of the first magnet, the third magnets of each of the other-side magnet portions are capable of facing the other surface of the first magnet and have a other-side opposing surface of the same polarity as the other surface of the first magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below each of the stationary-side first center lines passing through the centers of the height direction of each of the second magnets of the one-side magnet portion, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side second center line passing through the center of the height direction of each of the third magnets of the other-side magnet portion, each of the second magnets in the one-side magnet portion is inclined so that the stationary-side first center line of each of the second magnets intersects with the moving-side center line when viewed from the vertical direction, each of the third magnets in the other-side magnet portion is inclined so that the stationary-side second center line of each of the third magnets intersects with the moving-side center line when viewed from the vertical direction, The second magnets of the magnet portions on one side are disposed so as to be shifted in the first direction relative to the third magnets of the magnet portions on the other side when viewed from the vertical direction. A thrust generating mechanism characterized by:

2. The second magnets of the magnet portion on one side and the third magnets of the magnet portion on the other side are all formed in the same shape.

2. The thrust generating mechanism according to claim 1 .

3. The second magnets of the magnet portion on one side are all inclined at a predetermined angle, and the third magnets of the magnet portion on the other side are all inclined at the predetermined angle.

3. The thrust generating mechanism according to claim 1 or 2.

4. a moving section whose moving direction is restricted to a first direction and to which a first magnet is attached; A second magnet arranged on one surface side of the first magnet and along the first direction; a third magnet arranged on the other surface side of the first magnet opposite to the one surface and along the first direction; Equipped with the second magnet is capable of facing the one surface of the first magnet and has one opposing surface having the same polarity as the one surface of the first magnet, the third magnet is capable of facing the other surface of the first magnet and has a other-side opposing surface having the same polarity as the other surface of the first magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side first center line passing through the center of the height direction of the second magnet, When viewed from a vertical direction that is perpendicular to the first direction and the height direction of the first magnet, a moving-side center line passing through the center of the height direction of the first magnet is located below a stationary-side second center line passing through the center of the height direction of the third magnet, the second magnet is provided at an incline such that the stationary-side first center line of the second magnet intersects with the moving-side center line when viewed from the vertical direction, the third magnet is provided at an incline such that the stationary-side second center line of the third magnet intersects with the moving-side center line when viewed from the vertical direction, The second magnet is disposed so as to be shifted in the first direction with respect to the third magnet when viewed from the vertical direction. A thrust generating mechanism characterized by:

Images