WO2017222081A1 - Générateur d'électricité rotatif - Google Patents

Générateur d'électricité rotatif Download PDF

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Publication number
WO2017222081A1
WO2017222081A1 PCT/JP2017/023449 JP2017023449W WO2017222081A1 WO 2017222081 A1 WO2017222081 A1 WO 2017222081A1 JP 2017023449 W JP2017023449 W JP 2017023449W WO 2017222081 A1 WO2017222081 A1 WO 2017222081A1
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WO
WIPO (PCT)
Prior art keywords
permanent magnet
rotor
soft magnetic
cylindrical
generator
Prior art date
Application number
PCT/JP2017/023449
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English (en)
Japanese (ja)
Inventor
正仁郎 宮林
Original Assignee
正仁郎 宮林
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 正仁郎 宮林 filed Critical 正仁郎 宮林
Priority to JP2017560826A priority Critical patent/JP6346385B2/ja
Priority to CN201780022715.9A priority patent/CN109075680B/zh
Publication of WO2017222081A1 publication Critical patent/WO2017222081A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets

Definitions

  • the present invention relates to a rotary generator of a type in which a plurality of permanent magnets are rotated and vibrated as a rotor, a magnetic flux generated by the permanent magnets is guided to an iron core on the stator side, and electricity is induced in a winding applied to the iron core.
  • a rotary generator of a type in which a plurality of permanent magnets are rotated and vibrated as a rotor, a magnetic flux generated by the permanent magnets is guided to an iron core on the stator side, and electricity is induced in a winding applied to the iron core.
  • a generator energy such as hydraulic power or thermal power is converted into rotational energy, and the generator is driven with the converted rotational energy to generate electric power.
  • generators include a rotor in which a permanent magnet having N poles and S poles is attached to a rotating shaft, an armature core having magnetic poles corresponding to the number of magnetic poles formed by the permanent magnets, and the armature core The generator coil is wound around and the rotor is driven to rotate, thereby generating an AC magnetic field in the armature core and generating an AC voltage in the generator coil by the generated AC magnetic field.
  • an armature core constituting a rotating electric machine such as a generator or an electric motor may be disposed close to a magnet attached to the rotor to supply a sufficient magnetic field to a coil wound around the armature core. desired.
  • an attractive force acts between the permanent magnet and the iron core. This attractive force is particularly large when a strong permanent magnet is used to improve the output of the rotating electrical machine.
  • this suction force varies depending on the rotation angle of the rotor, and affects the rotation torque of the rotor.
  • Cogging occurs due to the magnetic resistance between the armature and the rotor, resulting in unstable power generation with many pulsations.
  • the starting torque increases when the rotor blades start to move.
  • the resistance for continuously rotating the rotor blades also increases. Therefore, it is impossible to generate power with a small amount of rotational energy.
  • Patent Document 1 when changing the skew angle and the number of skew steps, it is necessary to remanufacture a production die such as a die for a rotor core made of laminated steel plates.
  • a production die such as a die for a rotor core made of laminated steel plates.
  • a plurality of molds or the like that are manufactured according to the number of skew stages and the setting of the skew angles are required.
  • the method according to Patent Document 2 is effective in reducing rotational torque and cogging, there is a problem that the amount of power generation is smaller than that of a generator having an iron core.
  • the present invention can reduce the generation of cogging and generate power with less energy, and more stable operation is possible when generating power with ever-changing wind power.
  • the purpose is to provide a generator.
  • the present inventor does not face the center of the magnetic force of the magnet arranged in the rotor and the center of magnetization due to the impedance generated in the coil as the rotor rotates, and does not sufficiently apply the magnetic force. Although it cannot be transmitted to both ends of the coil, it has been found that cogging is significantly reduced and sufficient magnetic force is transmitted by mediating both of them with a soft magnetic material.
  • the rotor has a cylindrical permanent magnet disposed on the rotor, the longitudinal direction of the permanent magnet, the magnetic flux direction of the permanent magnet, and the rotation axis of the rotor.
  • the first generator has a pair of planar first members made of soft magnetic material, and a plurality of cylindrical second members made of soft magnetic material, And the second member is disposed on the plane of the first member in such a manner that the longitudinal extension line of the permanent magnet and the plane of the rotor intersect with the plane. Both ends of the cylinder are disposed so as to be parallel to the rotation axis direction.
  • the first member refers to a soft magnetic member having a planar shape, a cylindrical shape, or the like. Further, it is necessary that a trajectory accompanying rotation of the permanent magnet (hereinafter referred to as a rotational trajectory) is included in all or part of the first member. In other words, the shape of the first member is not particularly limited as long as the rotation trajectory is entirely or partially included.
  • the air gap refers to the distance between the first member and the permanent magnet.
  • FIG. 1 is a conceptual diagram of a generator according to the present invention when a pair of planar members are used as a cylindrical permanent magnet 2 and first members 5 and 8.
  • FIG. 1 (a) is a diagram showing the directions of the permanent magnet 2 and the magnetic flux 4 arranged on the rotating shaft 1 and the rotor 3.
  • FIG. 1 (b) is a plan view of FIG. 1 (a).
  • FIG. 1 (c) shows that the first members 5 and 8 have a gap between the permanent magnet and the permanent magnet at a position where the longitudinal extension line (coincides with the direction of the magnetic flux 4) of the permanent magnet intersects the plane.
  • FIG. 1C is a diagram showing that the rotation locus 6 is all included in the first member.
  • FIG. 2 is a conceptual diagram according to the present invention in the case where an annular permanent magnet 9 and a cylindrical member are used as the first member 13.
  • the height portion of the first member 13 is larger than the height portion of the permanent magnet 9 and larger than the outer circle diameter of the permanent magnet 9.
  • FIG. 2 (a) is a view showing the directions of the permanent magnet 9 and the magnetic flux 10 disposed on the rotating shaft 1 and the rotor 3.
  • FIG. 1B is a view showing the rotation locus 11, and is a view showing that the rotation locus 11 is included in the first member 13 together with FIG. 2C.
  • FIG. 2 (c) shows that the first member 13 is disposed through a gap between the permanent magnet 9 and the second member 12 from a region where the magnetic fluxes of the first member 13 and the permanent magnet 10 oppose each other. It is a figure which shows the state contact
  • the diameter of the second member 12 is smaller than the difference between the height width of the first member 13 and the height width of the permanent magnet 9.
  • the height portion of the first member 13 is larger than the height portion of the permanent magnet 9. Therefore, there exists a range where the magnetic fluxes of the permanent magnet 9 do not intersect. Such a range is collectively referred to as a biased position.
  • the second member is a so-called iron core for use as an armature.
  • the armature refers to an element obtained by winding a power generation coil around a second member.
  • the shape can be a circular shape, a triangular shape, a fan shape or the like, and is not particularly limited.
  • reference numeral 7 shown in FIG. 1 indicates that the center of the magnetic flux of the permanent magnet and the center of magnetization due to the impedance generated in the armature as the rotor rotates face each other by being installed at such a position. Can not.
  • the generator concerning FIG. 1 it is used also as a member which joins the 1st members 5 and 8.
  • FIG. 1 in the generator concerning FIG. 1, it is used also as a member which joins the 1st members 5 and 8.
  • the second member is 12, and by placing the second member at 13 which is a position offset from the region opposed to the magnetic flux of the permanent magnet, the center of the magnetic flux of the permanent magnet, The center of magnetization due to the impedance generated in the armature as the rotor rotates can be prevented from facing each other.
  • FIG. 3 is an exploded view for explaining the generator according to the first embodiment
  • FIG. 4 is a view for explaining the rotor 16 in which the permanent magnet shown in FIG. 3 is embedded
  • FIG. 6 is a view for explaining the armature 17 shown in FIG. 3
  • FIG. 6 is a view for explaining the soft magnetic body 18 shown in FIG.
  • FIG. 4 shows the rotor 16 according to this embodiment.
  • the number of permanent magnets according to the present embodiment is four, but is not particularly limited.
  • the permanent magnets 15 are fitted into the holes 21 formed in the rotor created by the 3D printer so as to be almost equal to the diameter of the permanent magnets so that the north and south poles are alternately arranged.
  • the hole 23 penetrates the rotation shaft.
  • connection member a member used for such a purpose is referred to as a connection member.
  • the permanent magnet to be used can be selected depending on the power generation characteristics required for the power generation unit, such as a ferrite magnet, an Sm-Co magnet, and a neodymium magnet. In the examples, neodymium magnets were used. Further, an electromagnet or the like connected via a slip ring can be used instead of the permanent magnet.
  • the material of the rotor can be ABS-like resin, polypropylene-like, nylon, gypsum powder, laminated silicon rigid plate or aluminum, and is not particularly limited.
  • a 3D printer is used for manufacturing, but a rotor manufactured by another method may be used.
  • FIG. 5 shows a process of assembling the armature 17 when a cylindrical soft magnetic material is used as the second member.
  • the power generation coil 26 is wound around an iron core having an iron washer 25 having an outer diameter of 22 mm and an inner diameter of 10 mm at both ends of an 8M size cylinder which is a soft magnetic material.
  • the length of the cylinder in the longitudinal direction is slightly longer than the height of the rotor. This is because the difference determines the size of the air gap (air gap) described later. Further, when the number of turns of the coil is increased, a cylinder having a shorter diameter may be selected.
  • FIG. 6 is a disk which is an embodiment of the first member according to the present invention.
  • the rotor 3 and the armature 12 on which the permanent magnet is disposed are brought close to the permanent magnet 2 at a position perpendicular to the magnetic flux in the vertical direction of the magnet, that is, at a position in the vertical direction facing the permanent magnet 2, and through a gap.
  • fixing means fixing using a spiral, a set collar, the connecting member, etc., and fixing using various known means.
  • the hole 27 is provided to fix a post and an armature, which will be described later, using the hole.
  • the rotation locus 28 of the permanent magnet in the first embodiment is indicated by a dotted line.
  • a soft magnetic material that can be used, iron, silicon steel, permalloy, amorphous, etc., or a composite laminate of them can be used, but in this example, iron was used.
  • the rotating shaft 1 and the support column 14 are erected on the base 20.
  • the disk-shaped soft magnetic body 19 is fixed to the rotating shaft 1 and the support column 14.
  • the center of the rotor 16 is passed through the rotary shaft 1 and is fixed to the soft magnetic body 19 through a gap.
  • the armature 17 is passed through the support column 14 and is brought into contact with and fixed to the soft magnetic body 19.
  • the soft magnetic body 18 and the armature 17 are brought into contact with each other and installed through the permanent magnet 15 and the gap.
  • the distance between the permanent magnet 15 and the soft magnetic body 19 and the distance between the permanent magnet 15 and the soft magnetic body 18 become the air gaps 29, respectively.
  • the size of the gap may be approximately 1 mm or less, and the smaller the better.
  • the generator In the state where the rotating shaft is stopped, the generator is in a state where the magnetic flux of the permanent magnet magnetizes the soft magnetic bodies 18 and 19 installed in the vertical direction via the air gap.
  • the rotor 16 rotates with the rotation of the rotating shaft 1 and changes the magnetic field of each part of the soft magnetic bodies 18 and 19.
  • the power generation coil on the armature 17 receives a change in the magnetic field of each part of the soft magnetic body 18 and the soft magnetic body 19.
  • the permanent magnet 15 and the soft magnetic bodies 18 and 19 are rotated at an equal distance, and the center of the magnetic force of the permanent magnet 15 of the rotor 16 is generated in the power generation coil as the rotor 16 rotates.
  • the center of the magnetic field due to the impedance to face each other strong cogging does not occur and cogging can be greatly reduced.
  • the power generation portion 30 shown in FIG. 7 can be used as a unit constituent unit, and a multistage configuration as shown in FIG. (Note that the rotor and the like are not shown in FIG. 11.)
  • the output of the entire generator can be increased. That is, in order to solve the problem of increasing the output from the generator, a method of increasing the number of armatures in the unit constituent units, increasing the number of unit constituent units themselves, or combining them can be adopted. .
  • the part shown in FIG. 8 can also be used as a support
  • an electricity storage device (not shown) can be installed in the vicinity to store electricity generated by the generator according to the present invention.
  • the output of the rotary generator of the present invention is determined by the length of the support, the rotation shaft, the size of the first member, the size of the permanent magnet, and the combination thereof. Therefore, the design can be changed as appropriate according to the target output, which contributes to a high degree of freedom in setting the generator.
  • FIG. 10 shows a second embodiment according to the present invention.
  • the rotor rotates inside the armature, and is configured as a magnet rotor inversion type (inner rotor type).
  • this embodiment rotates outside the armature.
  • This is a magnet rotor outer rotation type (outer rotor type) in which a child (rotor) rotates.
  • the rotating shaft 1 and the column 8 are erected on the base 9.
  • the disk-shaped soft magnetic body 32 is fixed to the rotating shaft 1 and the support column 8.
  • the rotor 31 is fixed at a position close to the soft magnetic body 5.
  • the armature 17 is passed through the support 8 and fixed in contact with the soft magnetic body 32.
  • the soft magnetic body 5 is brought into contact with the armature 17 and is brought close to the permanent magnet 34.
  • the size of the air gap may be approximately 1 mm or less, and the smaller the better.
  • FIG. 11 shows a rotor 31 according to the second embodiment.
  • the armature 17, the rotating shaft 1, and the support column 8 are accommodated in the hole 38.
  • a portion (not shown) connecting the rotation shaft and the rotor is necessary, but the shape and the like are not particularly limited. Further, the material, the arrangement of holes, and the like are the same as those of the rotor used in the first embodiment.
  • FIG. 12 shows soft magnetic bodies 32 and 33 according to the second embodiment. Since the armature 17 is arrange
  • the power generation portion shown in FIG. 13 can be used as a unit constituent unit.
  • the same materials as the permanent magnet, rotor, soft magnetic material, and the like described in the first embodiment can be used, and the same effects as those described in the embodiment can be obtained.
  • FIG. 13 is a diagram illustrating the generator according to the present invention described in FIG. 2 in more detail.
  • the generator according to the present embodiment includes a cylindrical rotor 42 and an annular permanent magnet 41 disposed on the rotor 42, and a rotary power generator of a type in which the magnetic flux direction of the permanent magnet and the rotation axis are orthogonal to each other.
  • the first member 43 is made of a soft magnetic material having a diameter width smaller than the inner circle width of the permanent magnet 41 and a height width larger than the height width of the permanent magnet.
  • the second member is a member made of a cylindrical soft magnetic material having a diameter smaller than the difference between the height width of the first member and the height width of the permanent magnet.
  • the first member 43 is disposed via a gap with the permanent magnet 41, and the armature 17 is located on the inner side of the first member at a position offset from a region where the permanent magnet of the first member is opposed to the first member 43. Abut. Further, the gap according to the present embodiment is 44, and the rotation locus in the present embodiment is 45.
  • the electric power generation part described in FIG. 13 can be used as a unit structure unit.
  • the same materials as the permanent magnet, rotor, soft magnetic material, and the like described in the first embodiment can be used, and the same effects as those described in the embodiment can be obtained.
  • FIG. 14 shows a fourth embodiment according to the present invention.
  • the rotary generator is configured as a magnet rotor inversion type (inner rotor type) in which the rotor rotates inside the armature.
  • the child is configured as a magnet rotor outer rotation type (outer rotor type) in which the rotor (rotor) rotates outside the armature.
  • the generator according to the present embodiment is a rotary generator having an annular rotor and an annular permanent magnet disposed on the rotor, and the magnetic flux direction of the permanent magnet and the rotation axis are orthogonal to each other.
  • the first member 47 is made of a soft magnetic material having a diameter width smaller than the inner circle width of the permanent magnet 46 and a height width larger than the height width of the permanent magnet.
  • the second member is a member made of a cylindrical soft magnetic body having a diameter smaller than the difference between the height width of the first member and the height width of the permanent magnet.
  • the first member 47 is disposed via a gap with the permanent magnet 46, and the second member 17 is the first member at a position deviated from a region facing the permanent magnet of the first member. Is abutted on the inside. Further, the gap according to the present embodiment is 48, and the rotation locus in the present embodiment is 45.
  • the electric power generation part described in FIG. 14 can be used as a unit electric power generation unit.
  • the same materials as the permanent magnet, rotor, soft magnetic material, and the like described in the first embodiment can be used, and the same effects as those described in the embodiment can be obtained.
  • (Fifth embodiment) 15 and 16 show a fifth embodiment according to the present invention.
  • the structure of the generator according to the present invention will be described in detail with reference to FIGS.
  • the rotating shaft 49 and the column 50 are erected on a stand (not shown).
  • the center 52 of the rotor 51 is passed through the rotation shaft 49 and fixed.
  • the disk-shaped soft magnetic body 53 as the first member is fixed to the support column 50 through the rotor 51 and the gap.
  • the center 56 of the rotor 55 is passed through the rotation shaft 49 via the connection member 54 and fixed to the soft magnetic body 53 via the gap.
  • the N pole and N pole, and the S pole and S pole of the magnets of the rotor 51 and the rotor 55 are fixed facing each other.
  • the armature 57 is fixed via the soft magnetic body 53.
  • the distance between the permanent magnet 58 and the soft magnetic body 53 and the distance between the permanent magnet 59 and the soft magnetic body 53 become the air gap 60.
  • the size of the gap may be approximately 1 mm or less, and the smaller is preferable.
  • permanent magnets are fitted so that the N poles and the S poles are alternately arranged in holes that are substantially equal in diameter to the permanent magnets.
  • the number of permanent magnets according to the present embodiment is twelve, but is not particularly limited.
  • the amount of power generation can be significantly increased (compared to the first embodiment described above) by adopting a structure in which the first member is sandwiched using a pair of rotors.
  • This is estimated as follows.
  • the armature since the armature receives the change of the magnetic field via the first member, the timing of the change of the magnetic field becomes ambiguous, and the magnetic field of each first member is above and below the armature. It is considered that the timing was not synchronized by eliminating the first member. Further, since the number of the first members is halved, the force that the magnet tries to attract to the ring is also halved. As a result, it is considered that the rotational resistance decreases and the rotational speed increases.
  • the N pole and N pole, and the S pole and S pole of the magnets of the rotor 51 and the rotor 55 are fixed facing each other. That is, the rotational resistance can be greatly reduced by installing the same magnetic pole of the other rotor so that the same magnetic pole of the other rotor faces the magnetic pole of one rotor. This is presumably because the permanent magnet is repelled through the first member. As described above, since there is an air gap between the permanent magnet and the first member, a constant rotational resistance corresponding to the impedance of the armature is always generated in the generator. Therefore, the method for reducing the rotational resistance according to the present embodiment contributes to the improvement of the performance of the generator.
  • the rotor rotates outside the armature (rotor outer rotor type) (outer outer). (Rotor type).
  • FIG. 18 shows a sixth embodiment according to the present invention.
  • the rotor arranged in a linear mold linearly moves, so that the armature receives the change in the magnetic flux of the first member, and the electromotive force is excited in the armature.
  • This is a linear generator that can obtain an AC output.
  • the generator according to this embodiment includes a pair of linear rotors and a permanent magnet disposed on the rotor, and a rotary power generator of a type in which a linear drive device 66 is connected to the linear rotor.
  • the form of the first member 61 is not particularly limited, but at least has a portion higher than the height direction of the rotor and needs to have a sufficient area for connecting the armature to the portion. .
  • a specific shape is a rectangle.
  • FIG. 17 shows the first member when the first member is rectangular.
  • the first member 61 is fixed at a position via the pair of linear rotors and the gap
  • the armature 62 is a region where the first member 61 and the permanent magnets of the pair of rotors 64 face each other. It is fixed to both surfaces of the first member 61 at a position offset from the first member 61.
  • the armature is fixed at one position, but may be fixed at any position as long as the position is offset from the area facing the permanent magnet.
  • the gap according to the present embodiment is 65
  • the rotation locus in the present embodiment is 63. It is more preferable that the permanent magnets disposed on the pair of rotors are installed so that the same magnetic pole of the other rotor faces the magnetic pole of one rotor.
  • the same material as the permanent magnet, rotor, soft magnetic material, etc. described in the first embodiment can be used, and the same effect as the effect described in the embodiment can be obtained. Can do.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

La présente invention concerne un générateur d'électricité permettant de réduire la génération d'un couple de détente de générer de l'électricité avec une consommation d'énergie moindre, et assurant un fonctionnement plus stable lors de la génération d'électricité à partir d'une énergie éolienne variable. Ledit générateur d'électricité rotatif comprend une paire de premiers éléments plans comprenant un matériau magnétique souple, et une pluralité de seconds éléments cylindriques comprenant un matériau magnétique souple. Les premiers éléments sont disposés dans un état dans lequel les plans des premiers éléments croisent une ligne d'extension de direction longitudinale d'un aimant permanent d'un rotor, l'aimant permanent et des entrefers étant interposés entre les premiers éléments. Les seconds éléments sont disposés de telle sorte que les deux extrémités des cylindres de ceux-ci sont en contact avec les surfaces planes des premiers éléments, et de manière à être parallèles à la direction d'un axe de rotation.
PCT/JP2017/023449 2016-06-24 2017-06-26 Générateur d'électricité rotatif WO2017222081A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017560826A JP6346385B2 (ja) 2016-06-24 2017-06-26 回転発電機
CN201780022715.9A CN109075680B (zh) 2016-06-24 2017-06-26 旋转发电机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016125323 2016-06-24
JP2016-125323 2016-06-24

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WO2017222081A1 true WO2017222081A1 (fr) 2017-12-28

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WO (1) WO2017222081A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446820A (zh) * 2019-12-31 2020-07-24 太原科技大学 一种基于3d打印技术直接法测量转子转速的装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137922Y1 (fr) * 1968-08-01 1976-09-17
JPS5512727U (fr) * 1978-07-10 1980-01-26
JPS58100473U (ja) * 1981-12-28 1983-07-08 三菱電機株式会社 無整流子モータ
JP2003506005A (ja) * 1999-07-23 2003-02-12 アドバンスト・ロータリー・システムズ・エルエルシー 電気駆動装置（選択可能な形態）
WO2005050821A2 (fr) * 2003-11-19 2005-06-02 Lee, Chang Won Generateur extremement efficace

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69827299T2 (de) * 1998-03-19 2005-12-01 Light Engineering Corp., Giltroy Elektrischer motor oder generator
JP2013223417A (ja) * 2012-04-17 2013-10-28 Mamoru Hoshi 固定式永久磁石発電機
JP2014226011A (ja) * 2013-05-15 2014-12-04 正人 宮崎 円盤状の発電機の製造

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137922Y1 (fr) * 1968-08-01 1976-09-17
JPS5512727U (fr) * 1978-07-10 1980-01-26
JPS58100473U (ja) * 1981-12-28 1983-07-08 三菱電機株式会社 無整流子モータ
JP2003506005A (ja) * 1999-07-23 2003-02-12 アドバンスト・ロータリー・システムズ・エルエルシー 電気駆動装置（選択可能な形態）
WO2005050821A2 (fr) * 2003-11-19 2005-06-02 Lee, Chang Won Generateur extremement efficace

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JP6346385B2 (ja) 2018-06-20
JPWO2017222081A1 (ja) 2018-06-21
CN109075680B (zh) 2020-08-14
CN109075680A (zh) 2018-12-21

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