CN109792177A - Rotor unit and motor - Google Patents
Rotor unit and motor Download PDFInfo
- Publication number
- CN109792177A CN109792177A CN201780059615.3A CN201780059615A CN109792177A CN 109792177 A CN109792177 A CN 109792177A CN 201780059615 A CN201780059615 A CN 201780059615A CN 109792177 A CN109792177 A CN 109792177A
- Authority
- CN
- China
- Prior art keywords
- rotor
- magnet
- retainer
- rotor unit
- protrusion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
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Classifications
-
- 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
- H02K1/27—Rotor cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Using a kind of rotor unit, cricoid rotor core is included, surrounds the central axis vertically extended；Multiple magnet, their outer periphery circumferential arrays in the rotor core；Retainer is kept relative to upper end of the rotor core to multiple magnet；And rotor cap, it stores the rotor core, the retainer and multiple magnet, the rotor cap and includes canister portion, surround the periphery of multiple magnet；Bottom surface sections keep the lower end of multiple magnet；And hole or notch, the bottom surface sections are penetrated through along the vertical direction, and the retainer includes lattice, is configured between the magnet adjacent in the circumferential；And protrusion, it is chimeric with the hole or the notch.
Description
Technical field
The present invention relates to rotor units and motor.
Background technique
In the past, there are a kind of electric motors, had the rotor and stator for being configured with permanent magnet.In patent document 1,
Disclose with flowering structure: comprising rotor cap and edge cap portion in the rotor of such electric motor, which covers magnet
Outer surface and chimeric with its, which determines rotation preventing mechanism.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Application Publication 2015-511110 bulletin
Summary of the invention
Subject to be solved by the invention
It include edge cap portion in the form of individual components in the rotor of above-mentioned existing structure.By linking edge cap
Portion, it is therefore prevented that rotor cap dallies relative to rotor.However, needing edge cap portion, therefore component increases in such existing structure
Add.
It is an object of the present invention to using the simple structure of component is reduced, and prevent the rotor cap phase in motor rotation
It dallies for retainer.
Means for solving the problems
The first invention of illustration of the invention is the rotor unit used in motor, includes cricoid rotor core,
It surrounds the central axis vertically extended；Multiple magnet, their outer periphery circumferential arrays in the rotor core；It protects
Frame is held, is kept relative to upper end of the rotor core to multiple magnet；And rotor cap, storage is described to be turned
Sub- iron core, the retainer and multiple magnet.The rotor cap includes canister portion, surrounds the periphery of multiple magnet；
Bottom surface sections keep the lower end of multiple magnet；And hole or notch, the bottom surface is penetrated through along the vertical direction
Portion.The retainer includes lattice, is configured between the magnet adjacent in the circumferential；And protrusion, and it is described
Hole or the notch are chimeric.
Invention effect
It, can be by reducing the simple structure of component according to the rotor unit of the first invention of the illustration of aforementioned present invention
To prevent in motor rotation rotor cap to dally relative to retainer.
Detailed description of the invention
Fig. 1 is the cross-sectional view of motor.
Fig. 2 is the exploded perspective view of rotor unit.
Fig. 3 be in the state that rotor core, magnet and retainer combine from bottom surface side when perspective view.
Fig. 4 be in the state that rotor core, magnet and retainer combine from upper surface side when solid
Figure.
Perspective view when Fig. 5 is the rotor unit from bottom surface side.
Perspective view when Fig. 6 is the rotor unit from upper surface side.
Fig. 7 is the enlarged drawing near protrusion.
Fig. 8 is the cross-sectional view near protrusion.
Fig. 9 be in the rotor unit of variation in the state that rotor core, magnet and retainer combine from
Perspective view when bottom surface side is observed.
Figure 10 is the enlarged drawing near the protrusion of the rotor unit of variation.
Figure 11 be in the state of after the protrusion of the rotor unit of variation is heating-fusion bonded from bottom surface side when solid
Figure.
Figure 12 is the cross-sectional view for the part that the protrusion of the rotor unit of variation is heating-fusion bonded.
Perspective view when Figure 13 is the rotor unit of variation from bottom surface side.
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.But embodiment described below is only
An example of the invention, not limiting the technical scope of the present invention property are explained.In addition, in the drawings, sometimes to identical
Structural element marks identical label and the description thereof will be omitted.
Embodiments of the present invention are characterized in that, the rotor unit used in motor (also referred to as " rotating electric machine ")
The structure of (also referred to as " rotor " or " gyrator ").In embodiments, using centered on the rotor unit as characteristic
It is illustrated.
In the present specification, suitably define relative to the central axis of the rotation of motor " upper direction " or " upside " and
" lower direction " or " downside " and be illustrated.But not necessarily " lower direction " or " downside " relative to " upper direction " or " on
Side " is located at the downside of gravity direction, can configure according to arbitrary direction.In addition, sometimes by each structure such as rotor unit
The face of upside is referred to as " upper surface ", and the face of downside is referred to as " bottom surface ".In addition, in the present specification, will be protected in rotor unit
The case where holding frame and the no circumferentially synchronous rotary of rotor cap but relative rotation referred to as " is dallied ".
1. embodiment > of <
Fig. 1 is the cross-sectional view of the motor 1 of present embodiment.As shown in Figure 1, motor 1 includes axis 101, rotor unit 10, determines
Son 102, shell 103, bearing retainer 104, first bearing 105, second bearing 106, insulating part 107 and coil 108 etc..Axis
101 and rotor unit 10 be structure as a whole.
Axis 101 is cylindrical, centered on the central axis J extended in one direction.Rotor unit 10 is located at axis 101
Half-way.Rotor unit 10 can be rotated relative to stator 102.
Stator 102 is configured to surround rotor unit 10 in the axial direction.Stator 102 has Wire-wound in insulating part 107
And the coil 108 constituted.
Shell 103 be configured to it is chimeric with the outer peripheral surface of stator 102, storage constitute motor 1 include axis 101, rotor unit
10, each including stator 102, bearing retainer 104, first bearing 105, second bearing 106, insulating part 107 and coil 108
Structure.Shell 103 is in substantially cylindric.
Bearing retainer 104 supports the second bearing 106 for the upside for being configured at rotor unit 10 and stator 102.
Bearing retainer 104 is configured at the upside of rotor unit 10 and stator 102, chimeric with shell 103.Bearing retainer 104 is wrapping
The position of the J containing central axis has through hole.Axis 101 is configured in the through hole of bearing retainer 104.
First bearing 105 is configured at the bottom of shell 103, supports to the side of axis 101.Second bearing 106 configures
In the upside of rotor unit 10, the other side of axis 101 is supported.First bearing 105 and second bearing 106 are according to rotor list
The mode that member 10 can be rotated relative to stator 102 supports axis 101.First bearing 105 and second bearing 106 be via
Sphere and the ball bearing for making outer ring Yu inner ring relative rotation.But it is also possible to use its other party such as sliding bearing or fluid bearing
The bearing of formula replaces the ball bearing as first bearing 105 and second bearing 106.In addition, having enumerated motor 1 with first bearing
105 and second bearing 106 example, but can also using structure with a bearing etc., at least there is the knot of a bearing
Structure.
Insulating part 107 is configured between stator 102 and the conducting wire for constituting coil 108, makes leading for stator 102 and coil 108
Line insulation.
Fig. 2 is the exploded perspective view of the rotor unit 10 of present embodiment.Fig. 3 is in rotor unit 10 in rotor core
12, perspective view when in the state that magnet 13 and retainer 11 combining from bottom surface side.Fig. 4 is in rotor unit 10
In in the state that rotor core 12, magnet 13 and retainer 11 combine from upper surface side when perspective view.Fig. 5
Perspective view when being the rotor unit 10 from bottom surface side.Perspective view when Fig. 6 is the rotor unit 10 from upper surface side.
As shown in Fig. 2, rotor unit 10 is configured to comprising retainer 11, rotor core 12, magnet 13 and rotor cap 14.
In Fig. 2, retainer 11 is configured at upside relative to rotor cap 14.
Retainer 11 is configured to comprising linking part 111 and lattice 112.Retainer 11 is the component of resin.Retainer
The upper end of 11 pairs of magnet 13 is kept, so that multiple magnet 13 will not fall off from rotor core 12.
Linking part 111 is annular in shape, and the upper end of multiple lattices 112 is linked up and is kept.Linking part 111 exists
Part comprising central axis J has retainer opening portion 111a.The corner 111c of the periphery of the upper surface side of linking part 111 is in
The cambered rounded shapes of lateral surface band.
Lattice 112 is generally perpendicularly multiple to being extended with downward from linking part 111, as rotor unit 10 and
In the state of assembling, lattice 112 is respectively arranged between multiple magnet 13 adjacent in the circumferential.In multiple lattices
The bottom surface side of a lattice 112 in 112 has protrusion 113.The section in the face vertical with central axis J of lattice 112
Extend from radial outside towards radially inner side, the circumferential lengths of midway portion are than the end of radial outside and the end of radially inner side
The circumferential lengths in portion are short.According to the construction, retainer 11 is not easy to fall off from rotor core 12 to outer circumferential.Due to assembling
Magnet 13 is inserted into process, therefore the bottom surface side of retainer 11 is open.
Fig. 7 is the enlarged drawing near protrusion 113.Fig. 8 is the cross-sectional view near protrusion 113.Such as Fig. 3, Fig. 7 and figure
Shown in 8, the bottom surface side for the lattice 112 that protrusion 113 extends when from upper surface to radially inner side is configured at radially inner side
The end near inner circumferential near.Protrusion 113 is thicker than the axial thickness of the bottom surface sections 142 of rotor cap 14.Protrusion 113 for example from
The bottom surface side of lattice 112 downwards to prominent 0.4mm or so.Protrusion 113 is for example cylindrical.But protrusion 113 is simultaneously
Be necessarily it is cylindric, be also possible to polygon prism shape etc..In addition, as described later, protrusion 113 is inserted in the hole of rotor cap 14
In 142b, but for ease of being inserted into the 142b of hole, what which can also attenuate in front end portion relative to root portion
Shape still when protrusion 113 is set as cylindric or polygon prism shape, is able to suppress protrusion 113 and is easy to fall off from hole 142b.
Rotor core 12 be arranged in the central part of rotor unit 10 in surrounding octagon etc. of central axis J substantially just
Polygon-prism shape and part annular in shape are by electromagnetic steel plate along the metal portion that axially stacked stacked steel plate is constituted
Part.Rotor core 12 has the second through hole 122 being inserted into for axis 101 in the part comprising central axis J.In rotor core 12
The second through hole of ratio 122 have by the position of radial outside along the up and down direction cylindrical extension parallel with central axis J
Multiple first through holes 121.On each face of the peripheral side of rotor core 12, it is respectively configured as magnet 13 and rotor core 12
Contact.
Magnet 13 includes the plane of inner circumferential side, contacts with rotor core 12；And the flexure plane of peripheral side, it is formed
It is in the shape of arc-shaped bend for the section vertical with central axis J.Magnet 13 is permanent magnet.The radial outside of magnet 13
Flexure plane is opposed with the stator 102 of motor 1.Multiple magnet 13 with the magnetic pole strength of the magnetic pole strength of the pole N and the pole S in the circumferential alternately
The mode of arrangement circumferentially arranges on the periphery of rotor core 12.Magnet 13 is by being pressed into a pair of of lattice adjacent to each other
It is assembled between 112.
Rotor cap 14 has canister portion 141 and bottom surface sections 142, and in a pre-assembly condition, rotor cap 14 is cylindrical, has
The opening portion 14a opened to upper surface side (referring to Fig. 5).Rotor cap 14 is the metal of the nonmagnetic materials such as iron, aluminium.Rotor cap
14 be, for example, to be formed by punch process etc..Rotor cap 14 stores rotor core 12, retainer 11 and multiple magnet 13.
Canister portion 141 surrounds multiple magnet in the state that rotor unit 10 assembles in the cylindrical shape centered on central axis J
13 periphery is whole, and a part is Chong Die with the linking part 111 of retainer 11.Bottom surface sections 142 are annular in shape, are configured at canister portion 141
Lower end.In the state that rotor unit 10 assembles, bottom surface sections 142 cover retainer 11 bottom surface side in order to assembling work
Magnet 13 is inserted into and open part in sequence.Bottom surface sections 142 keep the lower end of the bottom surface side of magnet 13 as a result,.Rotor
Cover 14 has opening portion 142a in bottom surface sections 142.The second through hole 122 and the first through hole 121 of rotor core 12 are from opening
The opening of portion 142a is exposed.Rotor cap 14 has perforation in the position of the radially inner side close to opening portion 142a of bottom surface sections 142
The hole 142b of bottom surface sections 142.In the state that rotor unit 10 assembles, the protrusion 113 of lattice 112 is inserted in hole 142b
In, hole 142b is chimeric with protrusion 113.In bottom surface sections 142,142b configuration in hole is in the position for leaning on radially inner side than canister portion 141.This
Sample, it is chimeric by the protrusion 113 of retainer 11 and the hole 142b of rotor cap 14, can prevent rotor cap 14 in the circumferential relative to
Retainer 11, rotor core 12 and magnet 13 dally.In addition, rotor cap 14 can also be formed by the resin etc. of nonmagnetic material with
Instead of the metal manufacture by nonmagnetic material.
In addition, enumerating the protrusion 113 with a pair of of retainer 11 and rotor cap in the rotor unit 10 of present embodiment
For the structure of 14 hole 142b, but can also be using the hole 142b of protrusion 113 and rotor cap 14 with multipair retainer 11
Structure.For example, when using protrusion 113 and rotor in the mode opposed relative to central axis J with two pairs of retainers 11
When the combined structure of the hole 142b of cover 14, rotor cap 14 can be more efficiently prevented from and dallied relative to retainer 11.In addition,
It can be using the impartial position by the combination configuration of the hole 142b of the protrusion 113 of multipair retainer 11 and rotor cap 14 in the circumferential
The structure set.By adopting such structure, can make due to weight and be applied to the combination section of multiple protrusions 113 and hole 142b
The power divided is impartial.
The end of the upper surface side of the canister portion 141 of rotor cap 14 forms the corner of the rounded shapes along linking part 111
Buckling portion 141a of the 111c to radially inner side buckling (referring to Fig. 8).Thereby, it is possible to prevent rotor cap 14 along axial direction from retainer 11
It falls off with rotor core 12.
In addition, disperse to be also prevented from the fragment of magnet 13 when magnet 13 is damaged from rotor unit 10, rotor cap 14
The entire peripheral part of the covering magnet 13 of canister portion 141.But the influence caused by the separation of fragments of 13 breakage of magnet or magnet 13
In the case where small, canister portion 141 can also be using the shape of a part of the peripheral part of covering magnet 13.Using canister portion 141
In the case where the structure for covering a part of the peripheral part of magnet 13, the material cost etc. of canister portion 141 can be cut down.In addition, turning
Sub- 12 lightweight of iron core, can also cut down power consumption etc..
In addition, the canister portion 141 of rotor cap 14 can also in a manner of the linking part 111 for covering retainer 11 to week inwardly
Bending.In this case, the continuous upper surface part of slave canister portion 141 of rotor cap 14 is the shape traveled further into inwardly to week
Shape.The upper surface part of rotor cap 14 can also be using the inner peripheral surface for the linking part 111 for being embedded in retainer 11 by calking
Shape in multiple notch 111b (referring to Fig. 4).
The manufacturing method > of < rotor unit 10
When manufacturing rotor unit 10, firstly, rotor core 12 to be configured to the inside of mold.Then, to configured with turn
The internal injection resin of the mold of sub- iron core 12.It is as a result, the shape with multiple lattices 112 by 11 insert-molding of retainer
Shape.Here, retainer 11 is formed in such a way that the axial size for making lattice 112 is greater than the axial size of magnet 13.
In the manufacturing process of insert-molding, carry out retainer 11 molding and rotor core 12 and retainer 11 to fix this double
Side.Therefore, consolidating compared to the molding and rotor core 12 for carrying out retainer 11 by individual process and retainer 11
Fixed situation shortens the manufacturing process of rotor core 12 and retainer 11.
Then, it is configured between a pair of of lattice 112 adjacent to each other from bottom surface side by the insertion of magnet 13.Pass through as a result,
Retainer 11 keeps magnet 13.Assuming that including if magnet 13 carries out insert-molding, to need before insert-molding
Rotor core 12 and magnet 13 are at least temporarily fixed up and magnet 13 to be adhered to the method for rotor core 12 etc..With
This is opposite, in the present embodiment, is completed using molding and the retainer 11 after hardening carries out the positioning of magnet 13.Therefore,
Compared to including the case where magnet 13 carries out insert-molding, it can be easier and precisely multiple magnet 13 are carried out
Positioning.
But retainer 11 is not necessarily, by insert-molding to make, and can also separate with rotor core 12 and independent
Ground molding.
2. variation > of <
Rotor unit of the invention is not limited to above-mentioned embodiment, also comprising that may be considered based on above embodiment
Various modes out.For example, rotor unit of the invention is also possible to the structure of following such variation.In addition, sometimes right
Structure identical with above-mentioned embodiment marks identical title or reference numeral and the description thereof will be omitted.
1 > of < 2-1. variation
Fig. 9 is in the rotor unit 10a of a variation of the invention in rotor core 12, magnet 13 and retainer
11 combine in the state of from bottom surface side when perspective view.Figure 10 is the enlarged drawing near the protrusion of rotor unit 10a.
As shown in Figure 9 and Figure 10, compared to the rotor unit of embodiment 10, the protrusion 113a of rotor unit 10a is in the axial direction than convex
Portion 113 is long.
In assembling procedure, the protrusion 113a of retainer 11 in the hole 142b for being inserted in rotor cap 14 after be heated,
Melting, then solidifies, thus retainer 11 and rotor cap 14 are fused by protrusion 113a.
From bottom surface in the state that Figure 11 is after the protrusion 113a in rotor unit 10a in rotor unit 10a is heating-fusion bonded
Perspective view when side is observed.In the state that Figure 12 is after the protrusion 113a of the rotor unit 10a in rotor unit 10a is heating-fusion bonded
Cross-sectional view.As is illustrated by figs. 11 and 12, protrusion 113a covering hole 142b and rotor cap 14 after having carried out thermal welding processing
At least part of bottom surface sections 142.Thereby, it is possible to firmly fixed retainer 11 and rotor cap 14 by thermal welding
Come, dallies to more efficiently prevent from rotor cap 14 relative to retainer 11.
Furthermore it is possible to use the protrusion 113a carried out after thermal welding processing is fixed, so that retainer 11 and rotor
Cover 14 will not move in the axial direction.It therefore, there is no need to the buckling that rotor cap 14 is formed as the rotor unit 10 of embodiment
Portion 141a is so that retainer 11 will not be fallen off from rotor cap 14 (referring to Fig. 8).It does not need make turning in manufacturing process as a result,
Processing of the canister portion 141 of son cover 14 to radially inner side buckling, can be such that a part of manufacturing process simplifies.
In addition, the protrusion 113a carried out after thermal welding processing more preferably forms the shape for covering entire hole 142b, so that
Rotor cap 14 will not dally relative to retainer 11, rotor core 12 and magnet 13, but as described above covering hole 142b and
The shape of a part of the bottom surface sections 142 of rotor cap 14 also has certain effect to preventing from dallying.
2 > of < 2-2. variation
Figure 13 is in the rotor unit 10b of a variation of the invention in rotor core 12, magnet 13 and holding
Frame 11 combine in the state of from bottom surface side when perspective view.As shown in figure 13, the rotor cap 14 of rotor unit 10b
There is bottom surface sections 142 notch 142c to replace hole 142b.That is, rotor cap 14 has in cricoid bottom surface sections 142 from central axis
Notch 142c of the end of side towards radial outside.In the state that rotor unit 10b is assembled, the bottom surface of lattice 112
The protrusion 113 in portion 142 is inserted in notch 142c.The circumferential two sides of bottom surface sections 142 and the protrusion 113 being inserted in notch 142c
Contact.In this way, can also prevent 14 phase of rotor cap even if there is notch 142c to replace the structure of hole 142b using rotor cap 14
It circumferentially dallies for retainer 11, rotor core 12 and magnet 13.
Other variations of < 2-3. >
It the periphery of rotor core 12 can be using multilateral shape as embodiment but it is also possible to be cylindrical shape.In addition,
The quantity of magnet 13 can be changed arbitrarily, and the quantity of lattice 112 is also changed according to the quantity of magnet 13.
Other > of < 3.
More than, embodiments of the present invention and variation are illustrated.In the above description, only as one
The explanation of a embodiment, the scope of the present invention are not limited to an embodiment, should be construed broadly to those skilled in the art
The range that member can grasp.For example, above embodiment and each variation can be combined with each other and implement.
Motor of the invention is mainly used as the motor of automobile.For example, for the motor of braking or electric boosted turn
To motor etc..It is further possible to for the various uses other than automobile.For example, it is also possible to for it is electric boosted voluntarily
Vehicle, battery-operated motor cycle, household appliances, OA equipment and Medical Devices etc..
In addition, rotor unit and motor of the invention also can be constituted generator with same.Motor of the invention
Also it can be used as the generator used in automobile, electric assisted bicycle, wind-power electricity generation etc..
Industrial availability
The present invention can be used as the rotor unit of such as motor or motor.
Label declaration
1: motor；101: axis；102: stator；103: shell；104: bearing retainer；105: first bearing；106: the second
Bearing；107: insulating part；108: coil；10,10a, 10b: rotor unit；11: retainer；111: linking part；111a: retainer
Opening portion；111b: notch；111c: corner；112: lattice；113,113a: protrusion；12: rotor core；121: the first perforations
Hole；122: the second through holes；13: magnet；14: rotor cap；14a: opening portion；141: canister portion；142: bottom surface sections；142a: opening
Portion；142b: hole；142c: notch.
Claims (12)
1. a kind of rotor unit, wherein
The rotor unit includes
Cricoid rotor core surrounds the central axis vertically extended；
Multiple magnet, their outer periphery circumferential arrays in the rotor core；
Retainer is kept relative to upper end of the rotor core to multiple magnet；And
Rotor cap stores the rotor core, the retainer and multiple magnet,
The rotor cap includes
Canister portion surrounds the periphery of multiple magnet；
Bottom surface sections keep the lower end of multiple magnet；And
Hole or notch penetrate through the bottom surface sections along the vertical direction,
The retainer includes
Lattice is configured between the magnet adjacent in the circumferential；And
Protrusion, it is chimeric with the hole or the notch.
2. rotor unit according to claim 1, wherein
The retainer also has the cricoid linking part that the upper end to the magnet is kept.
3. rotor unit according to claim 1 or claim 2, wherein
The hole or notch configuration are in the position for leaning on radially inner side than cartridge.
4. according to claim 1 to rotor unit described in any one in 3, wherein
The bottom surface sections are in cover the ring-type of the lower end of multiple magnet,
The protrusion is configured near the most inner circumferential of the bottom surface sections in the lattice.
5. according to claim 1 to rotor unit described in any one in 4, wherein
The protrusion is thicker than the axial thickness of the bottom surface sections.
6. according to claim 1 to rotor unit described in any one in 4, wherein
The protrusion covers at least part of the hole or the notch and the bottom surface sections both sides.
7. according to claim 1 to rotor unit described in any one in 6, wherein
The retainer is resin system,
The rotor cap is metal.
8. according to claim 1 to rotor unit described in any one in 7, wherein
The rotor cap covers the entire peripheral part of the magnet.
9. according to claim 1 to rotor unit described in any one in 7, wherein
The rotor cap covers a part of the peripheral part of the magnet.
10. according to claim 1 to rotor unit described in any one in 9, wherein
The protrusion is in the form of a column.
11. according to claim 1 to rotor unit described in any one in 9, wherein
The protrusion column thinner than front end in root portion.
12. a kind of motor, wherein
The motor includes
Rotor, it includes rotor units described in any one in claim 1 to 11, and have to prolong along the vertical direction
Axis centered on the central axis stretched；
Stator, it is opposed with the rotor, and there are multiple coils；And
Bearing supports the axis in such a way that the rotor can be rotated relative to the stator.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-190992 | 2016-09-29 | ||
| JP2016190992 | 2016-09-29 | ||
| PCT/JP2017/035114 WO2018062348A1 (en) | 2016-09-29 | 2017-09-28 | Rotor unit and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109792177A true CN109792177A (en) | 2019-05-21 |
Family
ID=61762834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780059615.3A Withdrawn CN109792177A (en) | 2016-09-29 | 2017-09-28 | Rotor unit and motor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2018062348A1 (en) |
| CN (1) | CN109792177A (en) |
| WO (1) | WO2018062348A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010004661A (en) * | 2008-06-20 | 2010-01-07 | Jtekt Corp | Permanent magnet rotor and method for manufacturing the same |
| JP2010178505A (en) * | 2009-01-29 | 2010-08-12 | Toyota Motor Corp | Rotor structure |
| US20130241336A1 (en) * | 2012-03-16 | 2013-09-19 | Globe Motors, Inc. | Rotor including anti-rotation feature for multi-pole structure |
| CN103339830A (en) * | 2011-04-02 | 2013-10-02 | 日本电产株式会社 | Rotor unit, rotating electrical machine, and method of manufacturing rotor unit |
-
2017
- 2017-09-28 CN CN201780059615.3A patent/CN109792177A/en not_active Withdrawn
- 2017-09-28 JP JP2018542828A patent/JPWO2018062348A1/en active Pending
- 2017-09-28 WO PCT/JP2017/035114 patent/WO2018062348A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010004661A (en) * | 2008-06-20 | 2010-01-07 | Jtekt Corp | Permanent magnet rotor and method for manufacturing the same |
| JP2010178505A (en) * | 2009-01-29 | 2010-08-12 | Toyota Motor Corp | Rotor structure |
| CN103339830A (en) * | 2011-04-02 | 2013-10-02 | 日本电产株式会社 | Rotor unit, rotating electrical machine, and method of manufacturing rotor unit |
| US20130241336A1 (en) * | 2012-03-16 | 2013-09-19 | Globe Motors, Inc. | Rotor including anti-rotation feature for multi-pole structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018062348A1 (en) | 2018-04-05 |
| JPWO2018062348A1 (en) | 2019-07-11 |
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Application publication date: 20190521 |
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