CN106602826B - Rotating electric machine - Google Patents
Rotating electric machine Download PDFInfo
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- CN106602826B CN106602826B CN201610887570.6A CN201610887570A CN106602826B CN 106602826 B CN106602826 B CN 106602826B CN 201610887570 A CN201610887570 A CN 201610887570A CN 106602826 B CN106602826 B CN 106602826B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/12—Synchronous motors for multi-phase current characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Synchronous Machinery (AREA)
Abstract
Offer is good with resource provision aspect in terms of cost, can generate the increase in face by torque to improve the rotating electric machine of torque density.Stator (100) includes cricoid stator core (110), with stator tooth (130)；And armature coil (140), its circumferential direction is wound between stator tooth adjacent in the circumferential (130), rotor (200) has rotor core (210), rotor core (210) includes the 1st and the 2nd rotor tooth, opposite in axial two surface sides and stator tooth (130) of stator core (110)；And the 3rd rotor tooth, it is opposite in the radial inner face side and stator tooth (130) of stator core (110), be wound on the rotor tooth of the 1st, the 2nd and the 3rd: induction coil (I) causes induced current by the interlinkage of the magnetic flux generated by stator (100)；And magnet exciting coil (F), magnetic field is generated by faradic energization.
Description
Technical field
The present invention relates to rotors to be equipped with the rotating electric machine that multiple torques relative to stator generate face.
Background technique
Patent document 1 discloses a kind of rotating electric machine, has: cricoid stator, with circumferential direction be wound with armature around
The stator core of group；Radial rotor, inside in the radial direction are opposite with stator；And 2 axial rotors, it is rotating respectively
The side and the other side of the axis direction of axis are opposite with stator, and it is 3 faces that rotor, which generates face relative to the torque of stator,.
The radial rotor of rotating electric machine disclosed in patent document 1 and 2 axial rotors are respectively in the circumferential by between defined
Every configured with permanent magnet.The rotating electric machine passes through the rotating excitation field generated in the stator and radial rotor and 2 axial rotors
The interaction of magnetic flux of permanent magnet so that radial rotor and 2 axial rotors is generated torques.
Existing technical literature
Patent document
Patent document 1: special open 2010-226808 bulletin
Summary of the invention
Problems to be solved by the invention
However, in the rotating electric machine disclosed in patent document 1, in order to form magnetic in radial rotor and 2 axial rotors
Pole and use permanent magnet.Therefore, the permanent magnet being arranged in radial rotor and 2 axial rotors using recoverable reserves it is few and
In the case where the rare earth element magnet that digging place is unevenly distributed, it is possible to increase material cost, or be unable to ensure stable
Resource provision.
The present invention has been made in view of the above-described circumstances, it is intended that provide it is a kind of in terms of cost and resource provision
Aspect is good, and the rotating electric machine of torque density can be improved by the increase that torque generates face.
The solution to the problem
To achieve the goals above, the present invention is a kind of rotating electric machine, is had: stator, generates magnetic when coil is powered
It is logical；And rotor, above-mentioned magnetic flux by when rotate, wherein said stator includes cricoid stator core, tool
Have in the circumferential by multiple stator tooths of defined interval configuration；And armature coil, wound on above-mentioned cricoid stator iron
Between the adjacent stator tooth of core and it is wound into circular ring shape, above-mentioned rotor includes rotor core, has in said stator iron
The two axial surface sides of the core rotor tooth opposite with said stator tooth and said stator iron core radial direction inner face side with it is upper
State the opposite rotor tooth of stator tooth；Induction coil is wound in above-mentioned rotor tooth, passes through the magnetic flux that is generated by said stator side
Interlinkage causes induced current；And magnet exciting coil, it is wound in above-mentioned rotor tooth, generates magnetic when above-mentioned induced current passes through
?.
Invention effect
According to the present invention, can provide in terms of cost with resource provision in terms of it is good, the increase in torque generation face can be passed through
And improve the rotating electric machine of torque density.
Detailed description of the invention
Fig. 1 is the figure for showing the rotating electric machine of an embodiment of the invention, is the overall structure for showing rotating electric machine
Perspective view.
Fig. 2 is the figure for showing the rotating electric machine of an embodiment of the invention, is cut off with by the plane of rotary shaft
The sectional view of rotating electric machine afterwards.
Fig. 3 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of stator.
Fig. 4 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of stator core.
Fig. 5 is the figure for showing the rotating electric machine of an embodiment of the invention, is the exploded perspective view of stator core.
Fig. 6 is the figure for showing the rotating electric machine of an embodiment of the invention, is the connecting structure for showing stator core
Perspective view.
Fig. 7 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of armature coil.
Fig. 8 is the figure for showing the rotating electric machine of an embodiment of the invention, is the connecting line construction for showing armature coil
An example perspective view.
Fig. 9 is the figure for showing the rotating electric machine of an embodiment of the invention, is the figure for showing the magnetic flux distribution of stator.
Figure 10 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of rotor.
Figure 11 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of rotor core.
Figure 12 is the perspective view for showing the segmenting structure of the rotor core of rotating electric machine of an embodiment of the invention.
Figure 13 is the figure for showing the rotating electric machine of an embodiment of the invention, is the perspective view of induction coil.
Figure 14 is the figure for showing the variation of the rotor of rotating electric machine of an embodiment of the invention, is to show induction
The perspective view of the insulator of coil and magnet exciting coil.
Figure 15 is the figure for showing the variation of the rotor of rotating electric machine of an embodiment of the invention, is that show will be exhausted
Edge body is assembled to the perspective view of the example of rotor core.
Figure 16 is the perspective view for showing the variation of the stator of rotating electric machine of an embodiment of the invention.
Figure 17 is the figure for showing the variation of the stator of rotating electric machine of an embodiment of the invention, is to show stator
The perspective view of iron core.
Figure 18 is the figure for showing the variation of the stator of rotating electric machine of an embodiment of the invention, is to show stator
The perspective view of the connecting structure of magnetic yoke.
Figure 19 is the figure for showing the variation of the stator of rotating electric machine of an embodiment of the invention, is stator yoke
Perspective view.
Figure 20 is the exploded perspective view for showing the variation of the stator of rotating electric machine of an embodiment of the invention.
Description of symbols:
1: rotating electric machine；100,300: stator；110,310: stator core；120,320: stator yoke；130,330: fixed
Sub- tooth；131,331: the 1 stator tooth；132,332: the 2 stator tooth；133,333: the 3 stator tooth；140: armature coil (line
Circle)；200: rotor；210: rotor core；210A: the 1 rotor core；210B: the 2 rotor core；230: rotor tooth；231: the
1 rotor tooth (two surface sides in the axial direction of the stator core rotor tooth opposite with stator tooth)；232: the 2 rotor tooths are (in stator
Two surface sides in the axial direction of the iron core rotor tooth opposite with stator tooth)；233: the 3 rotor tooths are (in the radial direction of stator core
The surface side rotor tooth opposite with stator tooth)；F: magnet exciting coil；I: induction coil.
Specific embodiment
Hereinafter, the embodiment that present invention will be described in detail with reference to the accompanying.Fig. 1~Figure 13 is to illustrate an implementation of the invention
The figure of the rotating electric machine of mode.
(summary of rotating electric machine is constituted)
In Fig. 1, Fig. 2, rotating electric machine 1 has: stator 100 generates magnetic flux and the energization to coil；And turn
Son 200, since magnetic flux is by rotating.Rotor 200 is configured in the side rotary shaft 1C of stator 100.Rotary shaft 1C is
The rotation centerline of rotor 200.
In addition, rotating electric machine 1 has axis 20 on rotary shaft 1C.Axis 20 is fixed on the inner peripheral portion of rotor 200, with rotor
200 rotate integrally.
Here, in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 8, Figure 10, Figure 11, Tu13Zhong, by the axial direction of rotating electric machine 1
On side be set as the downside of attached drawing, the other side in the axial direction of rotating electric machine 1 being set as to the upside of attached drawing, to rotating electric machine 1
It is illustrated.
As explained in detail later, rotating electric machine 1 is powered using the armature coil 140 to stator 100 and is generated
Rotating excitation field make rotor 200 induction coil I generate induced current.Then, rotating electric machine 1 is using the induced current as excitation
Electric current is powered to the magnet exciting coil F of rotor 200, and rotor 200 is thus made to play the function as electromagnet, generates torque.In this way,
Rotating electric machine 1 is configured to the self-excitation type winding excitation shape synchronous motor of non-magnet.
(stator)
In figs. 1 to 3, stator 100 has cricoid stator core 110 and is wound in the electricity of the stator core 110
Pivot coil 140.Stator core 110 includes the magnetic material for being formed as the circular high magnetic permeability concentric with rotary shaft 1C.
As shown in figure 4, stator core 110 includes cricoid stator yoke 120 and is set at regular intervals in the circumferential
Multiple stator tooths 130 of the stator yoke 120.The section of stator yoke 120 is formed as the cross sectional shape of rectangle.
Stator tooth 130 is set as axial two sides from the surface of stator yoke 120 to rotating electric machine 1 and radial inner peripheral surface from
Side is prominent, appears as from the axial direction of rotating electric machine 1 trapezoidal, also, as shown in Fig. 2, the circumferential section of rotating electric machine 1 is formed as
The shape of U font.12 stator tooths 130 are set to stator yoke 120 at regular intervals in the circumferential.
Specifically, stator tooth 130 has the 1st stator tooth 131, the 2nd stator tooth 132 and the 3rd stator tooth 133.1st stator
Tooth 131 is set to the side in the axial direction of the rotating electric machine 1 on stator yoke 120, from the stator yoke 120 to rotating electric machine 1
Side in axial direction is prominent.
2nd stator tooth 132 is set to the other side in the axial direction of the rotating electric machine 1 on stator yoke 120, from stator yoke
120 other side in the axial direction of rotating electric machine 1 is prominent.3rd stator tooth 133 is set to the rotating electric machine 1 on stator yoke 120
Inner peripheral surface side is prominent from stator yoke 120 to the inner peripheral surface side of rotating electric machine 1.
The stator 100 of present embodiment has the blocky structure for stator 100 to be assembled to motor cabinet (not shown)
Part 135.Block member 135 includes the non-magnetic material such as stainless steel, aluminium.In the end of the radial outside of block member 135
It is formed with screw penetration hole 135a.
In the present embodiment, screw (not shown) can be made to pass through the screw penetration hole 135a of block member 135, by the spiral shell
Nail is affixed directly to the inner wall of the bracket of the inner wall set on motor cabinet (not shown), motor cabinet, thus by stator 100
It is fixed on motor cabinet.
In addition, as shown in Figures 4 to 6, in stator 100, stator core 110 be divided into respectively stator yoke 120,
The structure of stator tooth 130 and block member 135.
Specifically, as shown in Figure 5 and Figure 6, stator yoke 120 includes being divided into the circumferential direction of stator yoke 120
12 segmentation magnetic yokes 121.Each segmentation magnetic yoke 121 the end of circumferential side and the other side be respectively formed with notch 121a and
Notch 121b.The cut-out direction of notch 121a and notch 121b are axial opposed with rotating electric machine 1.
The notch 121a for dividing magnetic yoke 121 is chimeric with the adjacent notch 121b of segmentation magnetic yoke 121 in the circumferential.This
When, as shown in figure 5, being formed with defined gap in the axial direction of rotating electric machine 1 between notch 121a and notch 121b
121c。
Being fitted into the defined gap 121c has block member 135.Determine as shown in Fig. 2, defined gap 121c is located at
The axial central portion of sub- magnetic yoke 120.Here, the axial central portion of stator yoke 120 is compared with other parts to magnetic loop
Influence it is small (referring to Fig. 9).
It, also can will be to magnetic loop even being fitted into the case where have block member 135 in defined gap 121c as a result,
Influence be suppressed to minimum limit.Therefore, the reduced performance of rotating electric machine 1 can not be made and stator 100 is fixed on electric case
Body.
Pass through in addition, being respectively formed in the notch 121a and notch 121b of segmentation magnetic yoke 121 for screw 136
Through hole 121d, 121e.
Moreover, being formed with the through hole passed through for screw 136 in the end of the inside radially of block member 135
135b.Screw 136 includes the non-magnetic material such as stainless steel, aluminium.
As shown in Figure 5 and Figure 6, the section of stator tooth 130 is formed as U font, the 1st stator tooth 131, the 2nd stator tooth 132
And the 3rd stator tooth 133 be formed as one.
Stator tooth 130 is embedded in the notch 121a of segmentation magnetic yoke 121 adjacent in the circumferential and cuts from radially inner side
Linking portion made of oral area 121b is chimeric.The linking portion of adjacent segmentation magnetic yoke 121 can be located at stator in the circumferential as a result,
The inside of tooth 130.Therefore, it is avoided that the interference of the linking portion and armature coil 140 of segmentation magnetic yoke 121.
The through hole 132a passed through for screw 136 is formed in the 2nd stator tooth 132 of stator tooth 130.In addition, fixed
Fastener hole 131a is formed in 1st stator tooth 131 of sub- tooth 130, screw 136 is anchored on fastener hole 131a.
The stator core 110 constituted in this way is made in the following order.That is, firstly, adjacent segmentation magnetic yoke 121 notch
Block member 135 is inserted into gap from the radial outside of stator core 110 in the state that portion 121a and notch 121b is chimeric
121c。
Then, stator tooth 130 is made to be embedded in the notch 121a of segmentation magnetic yoke 121 adjacent in the circumferential from radially inner side
Linking portion made of being fitted into notch 121b.
Then, so that screw 136 is anchored on fastener hole 131a by through hole 132a, 121d, 135b, 121e, exist as a result,
Stator tooth 130 and block member 135 be integrally formed in the state of in the circumferential adjacent segmentation magnetic yoke 121 it is connected to each other.
Other segmentation magnetic yokes 121 are successively carried out with such connection operation, to form cricoid stator core 110.This
It outside, is just circumferential direction in preforming by armature coil 140 when adjacent in the circumferential segmentation magnetic yoke 121 is connected to each other
Stator yoke 120 is loaded into the state of the shape of winding.It then, can shape when whole segmentation magnetic yokes 121 is linked by ring-type
At stator 100 as shown in Figure 3.
According to the present embodiment, the block member 135 for stator 100 to be assemblied in motor cabinet (not shown) includes
Non-magnetic material, therefore stator 100 can be assemblied in motor cabinet in the state that magnetic separates.It can for example inhibit to leak as a result,
The generation etc. of magnetic flux.
As shown in Fig. 1, Fig. 3 and Fig. 7, armature coil 140 is by conduct between the adjacent stator tooth 130 of stator core 110
Slot and circumferential direction are wound in cricoid stator yoke 120 (referring to Fig. 4).Circumferential direction winding is to make winding 141 alternately through stator yoke
The inner side and outer side of 120 ring and around stator yoke 120 wind method.
As shown in fig. 7, in the present embodiment, armature coil 140 is that circumferential direction is wound in stator yoke 120 in preforming
Shape in the state of, be loaded on the segmentation magnetic yoke 121 (referring to Fig. 6) of stator yoke 120.It is loaded in armature coil 140
After the segmentation magnetic yoke 121 of stator yoke 120, other segmentation magnetic yokes 121 adjacent in the circumferential are connected together with stator tooth 130
Tie the segmentation magnetic yoke 121.As a result, as shown in figure 3, armature coil 140 becomes the shape that circumferential direction is wound in the slot of stator core 110
State.
In this way, in the present embodiment, not needing directly for armature coil 140 to be wound in stator yoke 120, therefore armature
The insulating properties of coil 140 and the assemblability of stator 100 improve.
Armature coil 140 configures in stator tooth 130 and stator tooth 130 adjacent with the stator tooth 130 in the circumferential
Between between position.Armature coil 140 in three-phase alternating current U phase, V phase, in W phase any one is corresponding.
It is set as in the circumferential across the coiling direction of 1 pair of opposite armature coil 140 of stator tooth 130 and energization direction,
So that in the magnetic flux generated from side's armature coil 140 and from the magnetic flux that another party's armature coil 140 generates, the direction of magnetic flux
It is in the circumferential opposite direction.
It in side's armature coil 140 is for example as a result, in the case that U+ phase another party armature coil 140 is U-phase, from one
Square armature coil 140 and another party's armature coil 140 generate the magnetic flux towards stator tooth 130.
In Fig. 7, the winding 141 of armature coil 140 includes that section is rectangular rectangular wire.In armature coil 140,
The winding 141 is wound in the stator yoke of stator core 110 in the state of with flat vertical (edgewise) winding circumferential direction winding
120.Edgewise winding refers to, keeps the short side of winding 141 opposite in the radially inner side of rotating electric machine 1 and outside and stator yoke 120,
The method of longitudinally wound winding 141.
Winding 141 adjacent on winding spacing direction carries out face contact each other with long side as a result, therefore can maintain and electricity
It flows corresponding sectional area and the number of turns can be made to increase, therefore the fill factor of armature coil 140 can be made to improve, stator 100 can be made
Magnetomotive force increases.
In addition, since adjacent winding 141 on winding spacing direction carries out face contact each other with long side, in winding
Between 141 heat transfer can be equably carried out with large area.Heat transfer disperses as a result, can improve thermal diffusivity.
In addition, can be by both ends 141A, 141B configuration for becoming the end of a thread or line tail of winding 141 in the outer of stator 100
The same face of side, therefore can be easy to carry out the line of multiple armature coils 140.
For example, as shown in figure 8, both ends 141A, 141B of the winding 141 of armature coil 140 are connected to including conduction
Property component cricoid line with circle 150 inner peripheral surface, thus, it is possible to become easy the line of armature coil 140.Winding 141
The connection method of the inner peripheral surface of both ends 141A, 141B and line circle 150 can be using such as welding, deposition.
In addition, the side in female connector or male connector can also be for example assemblied in the both ends of winding 141
Another party in female connector or male connector is set to the line inner peripheral surface of circle 150, with these female companies by 141A, 141B
It connects device and male connector carries out the line of armature coil 140.In such a situation it is preferred to which female connector and male connector are from rotation
The axially chimeric structure of rotating motor 1.In this way, can more simply carry out armature line by using female connector and male connector
The line of circle 140.
Line 150 is integrally formed with circle with motor cabinet (not shown), or be embedded in motor cabinet inner wall and
It is fixed.Motor cabinet can be inhibited enlarged as a result,.
(magnetic flux distribution of stator)
Fig. 9 is the figure for showing the magnetic flux distribution of the stator 100 parsed by electromagnetic field.In Fig. 9, for the ease of saying
It is bright and be denoted as stator core 110 and rotor 200 linearly.In addition, not distinguishing the 1st stator tooth 131, the 2nd stator in Fig. 9
Tooth 132 or the 3rd stator tooth 133, are only meant as stator tooth 130.In addition, Fig. 9, which is shown, is set as a reference value for the current amplitude of V phase
1, the parsing result in the case where U phase, the current amplitude value of W phase are set to -0.5 and are powered.
In Fig. 9, when the side in stator tooth 130 in the circumferential adjacent pair armature coil 140 be V+ phase and
When another party is V- phase, the stator tooth that is clipped by a pair of of armature coil 140 of magnetic flux direction that is generated from a pair of armature coil 140
130, it is assembled in stator tooth 130.Then, the direction of the magnetic flux generated from stator tooth 130 becomes with stator yoke 120 just
The direction of friendship tends to rotor 200 from stator tooth 130.
Then, after the aftermentioned rotor core 210 that a part for tending to the magnetic flux of rotor 200 passes through rotor 200, tend to
The stator tooth 130 clipped by a pair of of armature coil 140 of W+ phase and W-phase.In addition, the remainder for tending to 200 magnetic flux of rotor is logical
It crosses after the aftermentioned rotor core 210 of rotor 200, tends to the stator clipped by a pair of of armature coil 140 of U+ phase and U-phase
Tooth 130.
In this way, the magnetic for constituting the magnetic flux generated by armature coil 140 returns in the face opposite with rotor 200 of stator tooth 130
Road.The opposite face of stator tooth 130 and rotor 200 is generated face by rotating electric machine 1.
Therefore, torque generation face is more, and it is close to improve torque more to efficiently use the magnetic flux generated by armature coil 140
Degree.Torque density means the size of the torque of per unit volume.
The torque that rotor 200 has 3 faces of axial two surface sides and inner peripheral surface side including rotating electric machine 1 generates face, mentions
High torque density.In this way, torque, which generates face, becomes more, thus, it is possible to minimize rotating electric machine 1 and generate high torque (HT), therefore can be special
It is not suitable as being equipped on the rotating electric machine of hybrid vehicle etc..
(rotor)
In Fig. 1, Fig. 2, Figure 10, Tu11Zhong, rotor 200 has rotor core 210, induction coil I and magnet exciting coil F.
Rotor core 210 includes 2 round plates 211,212 of disc-shape；And the cylindrical portion 213 of cylindrical shape,
Prolong clutch disk portion 211 and round plate 212 in portion in the round plate 211,212.
Round plate 211,212 configures in the plane orthogonal with rotary shaft 1C, thus respectively from the axial direction of rotating electric machine 1
Side and the other side cover stator core 110.Embedded hole 213A is formed in the radial central part of cylindrical portion 213.Insertion
Hole 213A penetrates through cylindrical portion 213 in the axial direction of rotating electric machine 1.Axis 20 is embedded in embedded hole 213A.
Cylindrical portion 213 configures the radially inner side in stator core 110.Rotor core 210 includes the magnetic material of high magnetic permeability
Material.
In this way, rotor core 210 is formed as the shape for the spool type for having flange at the axial both ends of cylindrical portion 213,
To opposite with stator 100 in the two axial surface sides of stator 100 and this 3 face of inner face side of radial direction.In other words, rotor core
210 become the cross sectional shape for the U word for making to be formed by 2 round plates 211,212 and cylindrical portion 213 centered on embedded hole 213A
Annularly continuous shape covers stator core 110 from inner circumferential side to outer peripheral side.
In addition, the same position of rotor core 210 in the circumferential has the 1st rotor tooth 231, the 2nd rotor tooth 232 and the 3rd
Rotor tooth 233.1st rotor tooth 231, the 2nd rotor tooth 232 and the 3rd rotor tooth 233 with the 1st stator tooth 131 of stator 100,
It is respectively formed with torque between 2nd stator tooth 132 and the 3rd stator tooth 133 and generates face.
1st rotor tooth 231 is set to the face of the other side in the axial direction of round plate 211, from round plate 211 towards stator core
110 in the axial direction on the other side it is prominent.1st rotor tooth 231 separates defined air gap phase in the axial direction with the 1st stator tooth 131
It is right.
2nd rotor tooth 232 is set to the face of the side in the axial direction of round plate 212, from round plate 212 towards stator core
110 in the axial direction on side it is prominent.2nd rotor tooth 232 and the 2nd stator tooth 132 separate as defined in air gap it is opposite in the axial direction.
3rd rotor tooth 233 is set to the outer peripheral surface of cylindrical portion 213, the i.e. face set on the radial outside of cylindrical portion 213, from circle
Canister portion 213 is prominent towards stator core 110 to radial outside.As defined in 3rd rotor tooth 233 and the 3rd stator tooth 133 separate
Air gap is diametrically opposed.
The medial end radially of 1st rotor tooth 231 and the end of the side in the axial direction of the 3rd rotor tooth 233 are continuous.
In addition, the medial end radially of the 2nd rotor tooth 232 and the end of the other side in the axial direction of the 3rd rotor tooth 233 are continuous.
In this way, in rotor core 210, the 3rd rotor tooth of the 1st rotor tooth 231 and the side aftermentioned 1st rotor core 210A
233 be continuous integral structure, and the 2nd rotor tooth 232 and the 3rd rotor tooth 233 of the side aftermentioned 2nd rotor core 210B are continuous
Integral structure.Therefore, in the rotor core 210 of segmenting structure as described later, by the 1st rotor core 210A and the 2nd
When rotor core 210B is fastened, the 1st rotor tooth 231, the 2nd rotor tooth 232 and the 3rd rotor tooth 233 are integrated and form 1 and turn
Sub- tooth 230.By at equal intervals in the circumferential equipped with multiple rotor tooths 230 on rotor core 210.
The rotor core 210 constituted in this way is fixed in axis 20, can rotate integrally.Specifically, rotating electric machine 1 has guarantor
Circle 4B is held, which is embedded in or is screwed together in axis 20, and rotor core 210 is thus fixed on axis 20.
Do not scheme in addition, being respectively formed in the inner peripheral portion of the embedded hole 213A of rotor core 210 and the peripheral part of axis 20
The keyway shown.Prevent rotor core 210 from rotating relative to axis 20, by inserting a key into keyway so as to rotate integrally.
In addition, in the present embodiment, for the ease of carrying out for stator 100 being assembled into the operation of rotor 200, by rotor iron
Core 210 is set as segmenting structure.
Specifically, as shown in figure 12, rotor core 210 is divided into the side in axial direction in axial middle position
The 2nd rotor core 210B of 1st rotor core 210A and the other side in axial direction.Therefore, the 3rd rotor tooth 233 be divided to
1st side rotor core 210A and the 2nd rotor core 210B.
In addition, in the 2nd rotor core 210B, 4 are formed with around embedded hole 213A and is passed through for fastening screw 215
Through hole 216 is formed with 4 fastener holes (not shown) around embedded hole 213A, passes through perforation in the 1st rotor core 210A
Fastening screw 215 behind hole 216 is anchored on above-mentioned fastener hole.
As a result, by the separate the 1st rotor core 210A and the 2nd turn in a manner of clipping stator core 110 in the axial direction
Sub- iron core 210B is linked up, and is carried out with screw 215 to the 1st rotor core 210A and the 2nd rotor core 210B using 4 fastenings
Fastening, thus, it is possible to assemble rotating electric machine 1.
Above-mentioned through hole 216 and fastener hole are to influence the small inside diameter as rotor core 210 around on magnetic loop
What embedded hole 213A was formed, therefore the penalty of rotating electric machine 1 will not be made, improve the assemblability of rotating electric machine 1.
In addition, it is preferable to use the nonmagnetic materials materials such as such as stainless steel for the material of above-mentioned fastening screw 215.As a result, can
Ensure the mechanical strength of rotating electric machine 1.
In addition, the 1st rotor core 210A and the 2nd can be made by separating rotor core 210 in axial middle position
Rotor core 210B becomes same shape, therefore the manufacturing process of the 1st rotor core 210A and the 2nd rotor core 210B can be made
All or part shares.
In addition, rotor core 210 uses segmenting structure as described above, thus stator core 110 can also use non-segmentation
The cyclic structure of one-piece type (monolith) of structure.One-piece type stator core 110 than segmenting structure in the case where intensity it is good, it is right
The excitation vibration for acting on stator core 110 has enough resistances.In the integrated stator iron core 110 using non-segmenting structure
In the case where, stator core 110 can be clipped in the axial direction in the state of being configured with induction coil I and magnet exciting coil F and link
To assemble rotating electric machine 1.
(induction coil, magnet exciting coil)
As depicted in figure 10 and figure 13, the winding Fw of the winding Iw and magnet exciting coil F of induction coil I include with insulating materials packet
Covering cross sectional shape is rectangular wire made of rectangular copper wire.It is shown in FIG. 13 induction coil I, but magnet exciting coil F
With composition identical with induction coil I shown in Figure 13.Induction coil I and magnet exciting coil F is that its winding Iw, Fw are coiled into α
Volume and constitute.Here, α volumes be make winding Iw, Fw the end of a thread and line tail towards outside and meanwhile winding method.
Being coiled into α volumes of induction coil I and magnet exciting coil F in this way will not make in the end of the end of a thread side of winding Iw, Fw stays in
Portion, therefore fill factor is improved, in the outside of induction coil I and magnet exciting coil F, therefore the both ends of winding Iw, Fw configure
Line can be easy to carry out.
In the present embodiment, the winding Iw of induction coil I is wound into 2 column on winding spacing direction, and the 1st of winding Iw the
The end of column and the end of the 2nd column are drawn to the same surface side of rotor 200.
In addition, the winding Fw of magnet exciting coil F is wound into 2 column on winding spacing direction, the end of the 1st column of winding Fw and
It is drawn to the same surface side of rotor 200 end of 2nd column.
In the induction coil I and magnet exciting coil F for being coiled into α volumes in this way, the end of winding Iw, Fw is to the same of rotor 200
Surface side is drawn, and thus, it is possible to carry out line in the same face, therefore can be easy to carry out line.
In addition, induction coil I and magnet exciting coil F be make include the short side and magnetic flux of winding Iw, Fw of rectangular wire generation
Made of direction is vertically wound.
The sectional area of winding Iw, the Fw orthogonal with the magnetic flux that rotor core 210 is interlinked can be made to become smaller as a result, can be reduced
The eddy-current loss generated in the winding Iw, Fw.
Moreover, induction coil I and magnet exciting coil F are formed as the shape that winding Iw, Fw for being coiled into α volumes are bent into U font
Shape.
Specifically, magnet exciting coil F is along the face of the inside of the rotor core 210 of U font and around rotor tooth
The mode of 230 base end part is bent into U font.
On the other hand, induction coil I is along the face of the inside of the magnet exciting coil F of U font and around rotor tooth 230
The mode of top end part be bent into U font.
In this way, induction coil I and magnet exciting coil F is to same 230 layered configuration of rotor tooth, so that in the rotor tooth 230
Top end part side and base end part side be each configured with induction coil I and magnet exciting coil F.Therefore, induction coil I configuration is in rotor tooth
230 position that 100 side of stator is leaned on than magnet exciting coil F.
The induction coil I constituted in this way is when generating rotating excitation field by armature coil 140, by being generated by 100 side of stator
Magnetic flux interlinkage and cause induced current.
(rectification circuit)
Here, being equipped with diode (not shown) in rotor 200 is used as rectifier cell, the diode and induction coil I and
Magnet exciting coil F is wired and constitutes rectification circuit.In the rectification circuit, by the induced current of the induction coil I exchange generated
By diode rectification, the electric current of the direct current after rectification is supplied to magnet exciting coil F as exciting current.Magnet exciting coil F, which is switched on, to be encouraged
Magnetoelectricity stream is to generate magnetic field.
In the induction coil I and magnet exciting coil F for being coiled into α volumes in this way, the end of a thread and line tail configuration of winding Iw, Fw are incuding
The outside of coil I and magnet exciting coil F.It therefore, can be by the end of a thread of whole winding Iw, Fw in induction coil I and magnet exciting coil F
The peripheral part in rotor 200 is configured with line tail.
In addition, can be by the end of a thread of whole winding Iw, Fw of induction coil I and magnet exciting coil F and line tail outside rotor 200
The single-face side of circumference in the axial direction is drawn, therefore configuration can be used in the line base (not shown) of the axial single-face side of rotor 200
The lines such as plate component carries out line in the same plane.
In addition, induction coil I and magnet exciting coil F are wound in rotor tooth 230 in a manner of α volumes, induction coil I as a result,
Become uniformly with the pyroconductivity of magnet exciting coil F, the thermal diffusivity of rotor 200 improves.
In addition, making includes that the short side of winding Iw, Fw of rectangular wire is vertically formed induction relative to the generation direction of magnetic flux
Coil I and magnet exciting coil F, thus can be reduced the generation of induction coil I and the vortex in magnet exciting coil F.
(magnetization energy)
Rotating electric machine 1 has 12 stator tooth 130 and 8 rotor tooths 230.Therefore, the slot number S (12) of stator 100 with turn
The composition ratio S/P of the number of magnetic poles P (8) of son 200 is 3/2.
In addition, the armature coil 140 formed in a manner of circumferential winding is collected in the rotating electric machine 1 of present embodiment
Middle winding, therefore 2 be superimposed in the magnetic flux of basic frequency in the about 50% rest frame down space as leakage magnetic flux
Secondary space harmonics.
Therefore, by making composition ratio S/P 3/2, temporal 3 time harmonics are handed under rotor 200 and rotating coordinate system
Chain.The frequency of 3 time harmonics generated under rotating coordinate system is asynchronous relative to the rotation speed of rotor 200.
Therefore, by winding induction coil I on the rotor tooth 230 as salient pole of rotor 200, make induction coil I and 3
Secondary time harmonic interlinkage and generate induced current, by the DC current after being rectified to the induced current be used as exciting current from
And make magnet exciting coil F that excitation occur, rotor 200 can be made to play the function as electromagnet.
Here, 4 times under rotating coordinate system, 5 inferior high order time harmonic magnetic fluxs are only only in rotor core 210
The waveform that surface nearby vibrates, therefore induction coil I can not be made to efficiently produce induced current.And as 3 time harmonics
Low order space harmonics be the lower magnetic flux of frequency, therefore the inside that can go deep into rotor core 210 interlinks.
In the present embodiment, 3 time harmonics in the space-harmonic component being superimposed in the magnetic flux of basic frequency are made
For recycle object, 3 time harmonics compared with being input to the basic frequency of armature coil 140,2 time harmonics, frequency compared with
It is high and to pulse compared with short cycle.
Therefore, the off-energy that can efficiently recycle space-harmonic component, can make with the induction coil I magnetic flux to interlink when
Between become larger, so that induced current is become high current, big rotating torques can be obtained.
The function and effect of the rotating electric machine 1 of present embodiment as described above are illustrated.In present embodiment
In rotating electric machine 1, stator 100 includes cricoid stator core 110, has the stator configured at regular intervals in the circumferential
Tooth 130；And armature coil 140, circumferential direction are wound between the adjacent stator tooth 130 of the cricoid stator core 110.
In addition, rotor 200 has rotor core 210, rotor core 210 includes the 1st rotor tooth 231 and the 2nd rotor tooth
232, it is opposite in axial two surface sides and stator tooth 130 of stator core 110；And the 3rd rotor tooth 233, in stator iron
The radial inner face side and stator tooth 130 of core 110 is opposite.
Moreover, rotor 200 includes induction coil I, it is wound in rotor tooth 230, passes through the magnetic generated in 100 side of stator
Logical interlinkage and cause induced current；And magnet exciting coil F, it is wound in rotor tooth 230, is produced by faradic energization
Magnetisation field.
According to the present embodiment, induction coil I can be made to generate induction by the interlinkage of the magnetic flux generated in 100 side of stator
DC current after rectifying to the induced current can be used as exciting current and make magnet exciting coil F that excitation occur by electric current, because
This can make rotor 200 play the function as electromagnet, obtain the rotating torques of rotor 200.
Therefore, the rotating torques of rotor 200 can be obtained without using permanent magnet, therefore can be prevented due to used as forever
The rare earth element magnet of long magnet and cause material cost increase or resource provision it is unstable.It can provide as a result, in terms of cost
With rotating electric machine 1 good in terms of resource provision.
In addition, according to the present embodiment, in the magnetic flux that 100 side of stator generates in the 1st rotor tooth 231, the 2nd rotor tooth 232
It interlinks with this 3 face of the 3rd rotor tooth 233 with rotor tooth 230, therefore torque can be made to generate face and increased, torque density can be improved.
Moreover, according to the present embodiment, 3 times in the space-harmonic component being superimposed in the magnetic flux of basic frequency are humorous
Wave is as recycle object, thus, it is possible to make the harmonic wave generated by stator 100 effectively interlink with rotor tooth 230, can obtain more
Magnetization energy.
In addition, induction coil I and magnet exciting coil F are hierarchically wound in same turn in the rotating electric machine 1 of present embodiment
Sub- tooth 230, the position of than magnet exciting coil F leaning on stator 100 side of the induction coil I configuration on rotor tooth 230.
According to the present embodiment, the position of 100 side of stator is being leaned in induction coil I configuration than magnet exciting coil F, therefore can be made more
More harmonic waves interlinks with induction coil I, and induction coil I can be made to generate big electric current.In addition, by induction coil I and magnet exciting coil F
Layering is wound in same rotor tooth 230, thus, it is possible to be in close contact induction coil I and magnet exciting coil F, can improve induction coil I
With the fill factor of magnet exciting coil F.
In addition, rotor core 210 is divided into the 1st turn of the side in axial direction in the rotating electric machine 1 of present embodiment
The 2nd rotor core 210B of sub- iron core 210A and the other side in axial direction.
It according to the present embodiment, can be fastening the 1st rotor core in a manner of clipping stator core 110 in the axial direction
210A and the 2nd rotor core 210B assembles rotating electric machine 1.Therefore, stator 100 easily can be assembled into rotor 200, makes to revolve
The assembling of rotating motor 1 becomes easy.
In addition, rotor core 210 is formed as axial two in cylindrical portion 213 in the rotating electric machine 1 of present embodiment
End is integrally formed with the shape of the spool type of round plate 211,212 respectively.The round plate 211 of rotor core 210 and circle as a result,
Pan portion 212 is integrally formed by cylindrical portion 213.Therefore, it ensures that the axis 20 for being embedded into the embedded hole 213A of cylindrical portion 213 and turns
Sub- iron core 210 it is concentric.
(variation of rotor)
In the present embodiment, in rotor 200, the induction coil I that will be bent into U font and magnet exciting coil F is illustrated
It is directly arranged at the composition of rotor tooth 230, but not limited to this, can also be as shown in Figure 14 and Figure 15, across the exhausted of resin
Induction coil I and magnet exciting coil F are set to rotor tooth 230 by edge body 240.
As shown in Figure 14 and Figure 15, insulator 240 includes inner wall part 240a, with induction coil I and magnet exciting coil F phase
It is right, for along the shape of the circumferential lateral surface of the 1st rotor tooth 231, the 2nd rotor tooth 232 and the 3rd rotor tooth 233；And Flange-shaped Parts
Flange part 240b continuously extends outward from the end of 100 side of stator of inner wall part 240a.
Insulator 240 be bent into the induction coil I and magnet exciting coil F of U the font quilt before being set to rotor tooth 230
Integration.That is, induction coil I and magnet exciting coil F are loaded on insulator 240.Then, induction coil I and excitation will be mounted with
The insulator 240 of coil F is loaded into rotor tooth 230.
According to this variation, it can utilize insulator 240 in the state of maintain the shape of U font by induction coil I
Rotor tooth 230 is easily loaded into magnet exciting coil F.For example, as shown in figure 15, induction coil I and excitation wire will be mounted with
The insulator 240 of circle F is loaded into the 1st rotor tooth 231 of the 1st side rotor core 210A from the other side in the axial direction of rotor 200
After the 3rd rotor tooth 233, the 2nd rotor core 210B and the 1st rotor core 210A is linked.As a result, can by induction coil I and
Magnet exciting coil F is easily loaded into rotor tooth 230, improves the assemblability of rotor 200.
In addition, according to the variation, across the exhausted of resin between rotor tooth 230 and induction coil I and magnet exciting coil F
Edge body 240, to can ensure that insulating properties.
Moreover, supporting 100 side of stator of induction coil I using the flange part 240b of insulator 240 according to the variation
Face, therefore insulating properties can be improved, and falling off for induction coil I and magnet exciting coil F can be prevented.
(variation of stator)
Fig. 3 has been used in the rotating electric machine 1 of present embodiment, and but not limited to this to stator 100 shown in fig. 6,
Stator 300 shown in Figure 16 to Figure 20 can be used.
As shown in figure 16, the stator 300 of the variation has stator core 310 and armature coil 140.Such as Figure 17 to Figure 20
Shown, stator core 310 is the structure that stator yoke 320 and stator tooth 330 are separated respectively.
Specifically, as shown in Figure 18 and Figure 19, stator yoke 320 includes being divided in the circumferential direction of stator yoke 320
The 12 segmentation magnetic yokes 321 opened.Each segmentation magnetic yoke 321 is formed with the pleurapophysis from the side to circumferential direction in circumferential side side
Protruding portion 321a out.The side from the side to circumferential direction is formed in circumferential other side side in addition, respectively dividing magnetic yoke 321
The recess portion 321b of recess.
The protruding portion 321a of segmentation magnetic yoke 321 is embedded in the recess portion 321b in the adjacent segmentation magnetic yoke 321 in circumferential side.
Being axially formed for protruding portion 321a perforation along rotating electric machine 1 in the protruding portion 321a of segmentation magnetic yoke 321
Through hole 321c.Through hole 321c is formed in the radial exterior side of stator yoke 320 in protruding portion 321a.
Through hole 321d and fastener hole 321e are formed in the circumferential other side of segmentation magnetic yoke 321.Through hole 321d from
Another lateral recess portion 321b perforation segmentation magnetic yoke 321 in the axial direction of rotating electric machine 1.Fastener hole 321e is from recess portion 321b to rotation
Side perforation segmentation magnetic yoke 321 in the axial direction of motor 1, or formed in segmentation magnetic yoke 321 to prescribed depth.
These through holes 321d and fastener hole 321e is formed in stator yoke in the circumferential other side of segmentation magnetic yoke 321
320 radial exterior side.In addition, recess portion 321b in segmentation magnetic yoke 321 and the adjacent segmentation magnetic yoke in the other side in circumferential direction
When 321 protruding portion 321a is chimeric, through hole 321d and fastener hole 321e in the axial direction of rotating electric machine 1 with adjacent segmentation magnetic
The through hole 321c connection formed in the protruding portion 321a of yoke 321.
Each segmentation magnetic yoke 321 is interconnected using fixed pin 322.Specifically, making circumferential adjacent side segmentation
In the state that the recess portion 321b that the protruding portion 321a of magnetic yoke 321 and another party divide magnetic yoke 321 is fitted into, the insert of fixed pin 322 is passed through
Through-hole 321d, through hole 321c, indentation fastener hole 321e is to which each segmentation magnetic yoke 321 to be interconnected.In this way, stator yoke
320 form ring-type as shown in figure 19 since each segmentation magnetic yoke 321 is fixed the fastening of pin 322.
Here, in the present embodiment, illustrating the composition that fixed pin 322 is pressed into fastener hole 321e, but be not limited to
This, such as be also possible to the top end part of fixed pin 322 being set as screw thread dental structure, which is screwed to fastening
The composition of hole 321e.
As shown in figure 20, stator tooth 330 is in the axial direction of rotating electric machine 1 by 2 segmentations, including segmentation tooth 330A and segmentation tooth
330B.Segmentation tooth 330A and segmentation tooth 330B clip stator yoke 320 in the axial direction of rotating electric machine 1 and mutually by bonding etc.
Fastening.
In the stator 300 of the variation, armature coil 140 is that circumferential direction is wound in stator yoke 320 in preforming
Stator yoke 320 is loaded in the state of shape.After armature coil 140 is loaded on stator yoke 320, in circumferential direction
On clip that the mode of the armature coil 140 will divide tooth 330A and segmentation tooth 330B is assemblied in stator yoke 320.Armature as a result,
Coil 140 becomes the state that circumferential direction is wound in the slot of stator core 310.
In this way, in this variation, not needing directly for armature coil 140 to be wound in stator yoke 320, therefore armature line
The insulating properties of circle 140 and the assemblability of stator 300 improve.
In addition, in this variation, as described above, stator yoke 320 is set as segmenting structure, therefore can be to surround rotor
200 mode assembles stator 300.The assemblability of rotating electric machine 1 improves as a result,.
(other variations)
The segmentation magnetic yoke 121 of present embodiment and the segmentation magnetic yoke 321 of above-mentioned variation also can use ferromagnetic
Micro powder compresses dust core made of solidification to form.Dust core be by micro powder compress solidification and it is molding, because
The size of this shaped component is bigger, it is necessary to more large-scale press machine is used, in addition, its molding is also more difficult.And this embodiment party
The segmentation magnetic yoke 121 of formula and the segmentation magnetic yoke 321 of above-mentioned variation size compared with the stator yoke of non-segmenting structure are smaller.Cause
This, easily can be formed segmentation magnetic yoke 121 and segmentation magnetic yoke 321 using dust core without using large-scale press machine.By
This, can improve the productivity of stator yoke.
In addition, the winding of armature coil 140, induction coil I and magnet exciting coil F is not limited to copper wire, such as can also use
The litz wire of aluminium conductor, high-frequency current twisted wire.
In addition, rotating electric machine 1 is also configured to other than magnet exciting coil F also by permanent magnet configuration in rotor 200
Hybrid power excitation type (mixed motivity type) can make permanent magnet in this case and be functioned as electromagnet
Magnet exciting coil F effectively cooperates to generate torque.
Therefore, the usage amount that can cause the rare earth element magnet of cost increase can be inhibited, can also be obtained without enlargement same
Output.
Moreover, rectifier cell is not limited to diode, it can also be using semiconductor elements such as other switch elements.Rectifier cell
It is not limited to be accommodated in the intracorporal type of diode case, the inside of rotor 200 can also be installed on.
In addition, rotating electric machine 1 is not limited to vehicle-mounted, such as it can also be suitable as generator used for wind power generation, working machine
The motor of tool.
Although disclosing embodiments of the present invention, but it is clear that those skilled in the art can not depart from the scope of the present invention
Ground applies change.Wish all this amendments and equivalent being contained in claim.
Claims (3)
1. a kind of rotating electric machine, has: stator generates magnetic flux when coil is powered；And rotor, pass through in above-mentioned magnetic flux
Shi Xuanzhuan, above-mentioned rotating electric machine be characterized in that,
Said stator includes
Cricoid stator core has in the circumferential by multiple stator tooths of defined interval configuration；And
Armature coil between the adjacent stator tooth of above-mentioned cricoid stator core and is wound into circular ring shape,
Above-mentioned rotor includes
Rotor core, have the two axial surface sides of the said stator iron core rotor tooth opposite with said stator tooth and
The radial inner face side of the said stator iron core rotor tooth opposite with said stator tooth；
Induction coil is wound in above-mentioned rotor tooth, causes induced current by the interlinkage of the magnetic flux generated in said stator side；
And
Magnet exciting coil is wound in above-mentioned rotor tooth, generates magnetic field when above-mentioned induced current passes through,
The rotor tooth opposite with said stator tooth of the side in the axial direction of said stator iron core is set as the 1st rotor tooth, it will be upper
It states the rotor tooth that the other side is opposite with said stator tooth in the axial direction of stator core and is set as the 2nd rotor tooth, it will be in said stator iron
The rotor tooth that the radial inner face side of core is opposite with said stator tooth is set as the 3rd rotor tooth, then radially interior of the 1st rotor tooth
The end of side end and the side in the axial direction of the 3rd rotor tooth is continuous, and the medial end and radially of the 2nd rotor tooth
The end of the other side in the axial direction of 3 rotor tooths is continuous.
2. rotating electric machine according to claim 1, which is characterized in that
Above-mentioned induction coil and the layering of above-mentioned magnet exciting coil are wound in same above-mentioned rotor tooth,
Above-mentioned induction coil configuration is in the position for leaning on above-mentioned stator side than above-mentioned magnet exciting coil.
3. according to claim 1 or rotating electric machine as claimed in claim 2, which is characterized in that
Above-mentioned rotor core is divided into the 1st rotor core of the side in the axial direction of above-mentioned rotor core and is located at above-mentioned
2nd rotor core of the other side in the axial direction of rotor core.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2015204764A JP2017077134A (en) | 2015-10-16 | 2015-10-16 | Rotary electric machine |
| JP2015-204764 | 2015-10-16 |
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| CN106602826A CN106602826A (en) | 2017-04-26 |
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| US11046834B2 (en) | 2017-04-07 | 2021-06-29 | Daicel Corporation | Surface-modified nanodiamond, surface-modified nanodiamond dispersion liquid, and resin dispersion |
| CN109660047A (en) * | 2019-02-21 | 2019-04-19 | 郑州大学 | One kind can covert double three-phase permanent-magnetic motor stator Circular Winding and its variphase method |
| US11456653B2 (en) * | 2019-03-28 | 2022-09-27 | Ghsp, Inc. | Hybrid stepper motor utilizing axial coils for adjusting the magnetic field of the rotor |
| DE102020101149A1 (en) * | 2019-12-04 | 2021-06-10 | Schaeffler Technologies AG & Co. KG | Axial flux machine with mechanically fixed stator cores with radially extending sheet metal segments |
| CN111458402B (en) * | 2020-03-31 | 2023-08-29 | 中国航发动力股份有限公司 | Induced current device |
| DE102021215043A1 (en) | 2021-12-27 | 2023-06-29 | Robert Bosch Gesellschaft mit beschränkter Haftung | axial flow machine and pump |
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| JP2009136046A (en) * | 2007-11-29 | 2009-06-18 | Toyota Central R&D Labs Inc | Toroidally-wound dynamo-electric machine |
| US20100237822A1 (en) * | 2009-03-17 | 2010-09-23 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Drive unit for rotating electrical machine |
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| JP2002369473A (en) * | 2001-06-07 | 2002-12-20 | Nippon Steel Corp | Synchronous motor using permanent magnet |
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| JP5492458B2 (en) * | 2009-05-28 | 2014-05-14 | 株式会社豊田中央研究所 | motor |
| JP5782850B2 (en) * | 2011-06-15 | 2015-09-24 | トヨタ自動車株式会社 | Electromagnetic rotating electric machine |
| JP2014230390A (en) * | 2013-05-22 | 2014-12-08 | 成田 憲治 | Permanent magnet type synchronous motor |
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| JP2009136046A (en) * | 2007-11-29 | 2009-06-18 | Toyota Central R&D Labs Inc | Toroidally-wound dynamo-electric machine |
| US20100237822A1 (en) * | 2009-03-17 | 2010-09-23 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Drive unit for rotating electrical machine |
| JP2010246367A (en) * | 2009-03-18 | 2010-10-28 | Tdk Corp | Core member of rotating machine, and rotating machine |
| CN104782032A (en) * | 2012-12-27 | 2015-07-15 | 株式会社日立制作所 | Rotating electrical machine |
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| DE102016219828A1 (en) | 2017-04-20 |
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