CN109565230A - Start generator three-phase rotating electric machine - Google Patents
Start generator three-phase rotating electric machine Download PDFInfo
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- CN109565230A CN109565230A CN201780047247.0A CN201780047247A CN109565230A CN 109565230 A CN109565230 A CN 109565230A CN 201780047247 A CN201780047247 A CN 201780047247A CN 109565230 A CN109565230 A CN 109565230A
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- phase
- pole tooth
- pole
- electric machine
- rotating electric
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- 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
-
- 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
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- 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
- H02K3/28—Layout of windings or of connections between windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Windings For Motors And Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
N is being set as to 3 or more natural number, the quantity of pole tooth (16) is set as T, when the number of poles of permanent magnet (8) is set as P, the quantity T and number of poles P of pole tooth (16) are set as meeting P:T=3n ± 1:3n when n is odd number, and it is set as meeting P:T=3n ± 2:3n when n is even number, it is made of multiple U phases pole tooth (16U), multiple V phases pole tooth (16V) and multiple W phases pole tooth (16W), multiple pole teeth (16) are all configured to and adjacent at least any one pole tooth (16) same to phase.
Description
Technical field
The present invention relates to starting generator three-phase rotating electric machines.
The application submitted Japan Patent Patent 2016-158876 of application to require preferentially based on August 12nd, 2016 in Japan
Power, and content of the application is incorporated herein.
Background technique
Starting generator use in three-phase rotating electric machine exist for example as the motor of the engine start of vehicle or
The so-called starter-generator (starting generator, SG) used as the generator after engine start.Above-mentioned starter-generator
In most cases including bottomed tube flywheel (rotor) and be fixed on engine case inside stator.
Flywheel is linked to the crank axle extended from engine.In addition, flywheel inner peripheral surface side be equipped with tiles permanent magnet.It is another
Aspect is circumferentially provided projectingly the pole tooth for multiple armature coils winding on stator.Multiple armature coils by three-phase (U phase,
V phase, W phase) it constitutes.
In addition, in the case where using starter-generator as the motor of engine start, to defined armature line
Circle selectively supplies electric current.At this point, being formed with magnetic flux on the tooth of pole, and utilizes and produced between the magnetic flux and the permanent magnet of flywheel
Raw magnetic attraction or repulsion rotates flywheel.Crank axle rotates as a result,.
On the other hand, in the case where using starter-generator as the generator after engine start, by revolving flywheel
Turn the magnetic flux change for making permanent magnet.The variation of above-mentioned magnetic flux becomes electromotive force, and electric current is generated in armature coil.
The electric current generated in armature coil is for example accumulated in battery etc., or is supplied to accessory motor equipment.
Existing technical literature
Patent document
Patent document 1: No. 2014/156865 bulletin of International Publication No.
Summary of the invention
The technical problems to be solved by the invention
However, paying attention to the function of the motor as generator starting in starter-generator, in most cases adopting
With the design for paying attention to motor characteristics.Therefore, it can be generated according to specification difference as the function of the generator after generator starting
Deviation.For example, generated energy when using sometimes as generator is remaining and to be deteriorated on the other hand to the load of engine, if
Want to be optimized as engine, then presence can not obtain the such technical problem of desired motor characteristics.
The present invention provides a kind of starting generator three-phase rotating electric machine, either in the case where being used as motor,
Or in the case where using as generator, good characteristic can be obtained.
Technical scheme applied to solve the technical problem
According to the first aspect of the invention, starting generator three-phase rotating electric machine includes: stator, and the stator is by multiple
Pole tooth is configured adjacently in the circumferential；And rotor, the rotor are arranged to rotate relative to the stator, and circumferentially
Equipped with multiple magnetic poles, n is set as 3 or more natural number, the quantity of the pole tooth be set as T, set the number of poles of the magnetic pole
When for P, it is even number in n that the quantity T of the pole tooth and the number of poles P, which are set as meeting P:T=3n ± 1:3n when n is odd number,
When meet P:T=3n ± 2:3n, multiple pole teeth are by multiple first poles tooth, multiple second poles tooth and multiple third pole tooth structures
At, wherein multiple first pole teeth are wound with the coil of the first phase, and multiple second pole teeth are wound with the line of the second phase
Circle, multiple third pole teeth are wound with the coil of third phase, multiple pole teeth be all configured to it is adjacent at least any
A same phase of pole tooth.
According to the second aspect of the invention, on the basis of the starting generator three-phase rotating electric machine of first aspect present invention
On, when n is set as odd number, the pole tooth with phase is all configured adjacently in the circumferential.
According to the third aspect of the invention we, in the base of the starting generator three-phase rotating electric machine of the first aspect of the present invention
On plinth, n is set as even number, m is set as 1 or more natural number, the pole tooth quantity T and the number of poles P be the multiple of m
When, 2m are formed with phase pole tooth groups, and the 2m same phase pole tooth groups are configured adjacently in the circumferential by the n/2 pole teeth with phase
It forms, the 2m same phase pole tooth groups are oppositely disposed centered on rotation axis.
Invention effect
Starting generator three-phase rotating electric machine according to the present invention, either uses in the starter motor as vehicle
In the case of, or in the case where using as generator, can obtain good characteristic.
Detailed description of the invention
Fig. 1 is the top view of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 2 is that the electric power variation of the starting generator three-phase rotating electric machine of embodiment of the present invention and general starting generate electricity
The chart that the electric power variation of machine three-phase rotating electric machine is compared.
Fig. 3 is the schematic configuration diagram of the starting generator three-phase rotating electric machine for the variation for indicating embodiment of the present invention.
Fig. 4 A is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 4 B is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 5 A is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 5 B is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 6 A is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Fig. 6 B is the schematic configuration diagram of the variation of the starting generator three-phase rotating electric machine of embodiment of the present invention.
Specific embodiment
Then, it is based on attached drawing, embodiments of the present invention will be described.
(starting generator three-phase rotating electric machine)
Fig. 1 is the top view for starting generator three-phase rotating electric machine 1.
As shown in Figure 1, the electricity of starting generator outer-rotor type used in three-phase rotating electric machine 1 e.g. two-wheeled vehicle
Machine.Starting generator is in three-phase rotating electric machine 1, making to include that the function of the generator of permanent magnet (is started with starter motor function
Machine startup function) integration.Starting generator three-phase rotating electric machine 1 includes: flywheel 2, which is fixed on hair (not shown)
The crank axle of motivation, and with the crank axle synchronous rotary；And stator 4, the stator 4 are fixed on cluster engine (not shown).?
Said stator 4 is equipped with the armature coil 18 of three-phase (U phase, V phase, W phase) composition.
Flywheel 2 has rotor yoke iron 3, which has been shaped generally as bottom by the metal being made of magnetic material
It is cylindric.In addition, crank axle (not shown) is fixed in the bottom (paper in Fig. 1 is inboard) of rotor yoke iron 3.
At the peripheral wall 33 of rotor yoke iron 3, inner peripheral surface side be geomagnetic into the permanent magnet 8 of 14 poles so that magnetic pole in the circumferential successively
The mode of change is arranged.As permanent magnet 8, such as use ferrimagnet.
(stator)
Stator 4 has stator core 17, which is configured at the inside of the peripheral wall 33 of rotor yoke iron 3, and with rotation
Axes O arranged coaxial.Stator core 17 is, for example, the component that the plates such as electromagnetic steel plate are laminated in the axial direction and are formed.Stator
Iron core 17 has substantially circular stator body 17a.On stator body 17a, bolt circumferentially is formed at multiple positions
Insertion hole 20.These bolt insertion holes 20 are for inserting for bolt (not shown) stator 4 is fastened and fixed to cluster engine
Component.
In the peripheral part of stator body 17a, oriented radial outside 12 pole teeth 16 outstanding are circumferentially arranged side by side.This
Outside, the grooving 21 of dovetail channel-shaped is respectively formed between each pole tooth 16.Armature coil 18, armature are passed through in these groovings 21
Coil 18 is from package is installed on above the insulator 40 of stator core 17 in each pole tooth 16.
In addition to this, the position (not shown) for detecting the rotation position of flywheel 2 is installed in stator body 17a to examine
Survey sensor.Above-mentioned position-detection sensor is detected by the magnetic flux to the permanent magnet 8 for being set to rotor yoke iron 3, and to this
The rotation of the adjoint flywheel 2 of magnetic flux and the variation generated is detected, detected with the rotation position to flywheel 2.
Here, in starting generator in three-phase rotating electric machine 1, when n is set as to 3 or more natural number, by pole tooth 16
When quantity is set as T, the number of poles of magnetic pole is set as P, when n is odd number, the quantity T and number of poles P of pole tooth 16 meet P:T=3n
± 1:3n ... (1) meets P:T=3n ± 2:3n when n is even number ... (2).
The quantity T of the pole tooth 16 of the starting generator three-phase rotating electric machine 1 of present embodiment is set as 12, number of poles P
It is set as 14 poles.It substitutes them in mathematical expression (2), is in addition set as n=4 (even number), then due to 14:12=3 × 4+2:3 × 4,
It therefore meets mathematical expression (2).
In addition, each pole tooth 16 is respectively allocated into three-phase (U phase, V phase, W phase).In addition,
M is set as 1 or more natural number when n is even number by [condition 1], and when the quantity T and number of poles P of pole tooth are the multiple of m
When, circumferentially adjacent (abreast) configuration of in three-phase (U phase, V phase, W phase), the n/2 pole tooth 16 with phase, and form 2m
A same phase pole tooth groups 86U, 86V, 86W.In addition, with phase same phase pole tooth groups 86U, 86V, 86W respectively centered on rotation axis O
Relative configuration.
More preferably,
[condition 2] pole tooth 16 when n is odd number, it is in three-phase (U phase, V phase, W phase), with phase pole tooth 16 it is all circumferentially adjacent
(abreast) it configures.
In the present embodiment, n=4.Therefore, hereinafter, being carried out to the distribution method of the phase of the pole tooth 16 when n is even number detailed
Thin narration.In addition, the specific distribution method of the pole tooth 16 when being even number about n, will describe in detail below.
That is, pole tooth 16 is assigned with the sequence of U phase, U phase, V phase, V phase, W phase, W phase, U phase, U phase, V phase, V phase, W phase, W phase.Separately
Outside, in the following description, the pole tooth 16 of U phase is known as U phase pole tooth 16U, the pole tooth 16 of V phase is known as V phase pole tooth 16V, by W
The pole tooth 16 of phase is known as W phase pole tooth 16W.
Here, in 12 pole teeth 16, there are two U phase pole tooth groups 86U being made of two U phase pole tooth 16U, two by
The V phase pole tooth groups 86V and two W phase pole tooth groups 86W being made of two W phase pole tooth 16W that two V phase pole tooth 16V are constituted.?
That is by two side-by-side in the circumferential with phase pole tooth 16U, 16V, 16W, be respectively formed a phase pole tooth groups 86U, 86V,
86W。
According to [condition 1], due to n=4, by 4/2=2 with phase pole tooth 16 in the circumferential side by side in a manner of configure.
Therefore, present embodiment meets [condition 1].
In addition, phase pole tooth groups 86U, 86V, 86W are each formed with two.If m=1,2 × 1=2.In addition, the number of pole tooth 16
Amount T and number of poles P is respectively the multiple (1 multiple) of m.Therefore, present embodiment meets [condition 1].
In addition, two phase pole tooth groups 86U, 86V, 86W are respectively oppositely disposed centered on rotation axis O.Therefore, this implementation
Mode meets [condition 1].
According to above-mentioned this structure, when flywheel 2 is rotated through not shown crank axle, then by the magnetic flux meeting of pole tooth 16
It changes.The variation of the magnetic flux becomes electromotive force, and generates electric current in armature coil 18.Result from armature coil 18
Electric current is used for via 26 electric power storage of harness in battery (not shown) or the use being powered to accessory motor equipment (not shown)
On the way.
On the other hand, when starting engine (not shown), the electric current by electric power storage in battery supplies extremely via harness 26
Armature coil 18.At this point, by current selective supplying to the armature coil 18 for the regulation phase for being wound in each pole tooth 16.In this way,
Magnetic flux is sequentially formed in the pole tooth 16 of each phase.In addition, generating magnetic between the magnetic flux and permanent magnet 8 set on flywheel 2
Gravitation and repulsion, so that flywheel 2 rotates.In turn, rotate crank axle (not shown) via flywheel 2, to start engine.
Fig. 2 is the electric power (W) for indicating to be set as the longitudinal axis to be input to starting generator three-phase rotating electric machine, and horizontal axis is set as
The chart of the variation of electric power when revolving speed [r/min] of flywheel, by the starting generator three-phase rotating electric machine 1 of present embodiment
It is compared with general starting generator with three-phase rotating electric machine.In addition, general starting generator described herein is with three
Phase rotating electric machine is that number of magnetic poles is set as 12 poles, the quantity (the number of slots) of pole tooth 16 is set as 18 starting generator and is revolved with three-phase
Rotating motor.In addition, it is above-mentioned it is general starting generator three-phase rotating electric machine pole tooth in, U phase, V phase, W phase circumferentially according to
Sub-distribution.
As shown in Fig. 2, the starting generator of present embodiment three-phase rotating electric machine 1 and general starting generator are with three
Phase rotating electric machine is compared, and confirmation can be driven by lesser input [W].
As described above, in the above-described embodiment, n is set as 3 or more natural number, the quantity of pole tooth 16 is set as T,
When the number of poles of magnetic pole is set as P, the quantity T and number of poles P of pole tooth 16 are set as meeting mathematical expression (2).In addition, as each pole tooth 16
Three-phase (U phase, V phase, W phase) distribution method, meet above-mentioned [condition 1].Therefore, start generator three-phase rotating electric machine 1
In function either in starter motor function (engine start function) still generating function after the engine started,
It can obtain than existing better characteristics.
In addition, in the above-described embodiment, as starting generator three-phase rotating electric machine 1, to the number for being set as magnetic pole
Amount P is " 14 ", the quantity T of pole tooth 16 is " 12 ", n=4, and the case where meeting above-mentioned mathematical expression (2) and [condition 1] is said
It is bright.However, it is not limited to this, as long as starting generator three-phase rotating electric machine 1 is set as meeting above-mentioned mathematical expression (1) and upper
Any of state any of mathematical expression (2), and meet above-mentioned [condition 1] and [condition 2].That is, in pole tooth 16,
As long as by with adjacent at least any one pole tooth 16 with phase in a manner of configure.Hereinafter, specifically, enumerating starting generator
With the variation of three-phase rotating electric machine 1.
(variation)
Fig. 3 is to meet n=4, above-mentioned mathematical expression (2), the variation for starting generator three-phase rotating electric machine 1 of [condition 1]
Schematic configuration diagram.
As shown in figure 3, quantity (quantity of grooving 21) T of pole tooth 16 be set as 12, the quantity P of magnetic pole be set as ten poles
In the case where, the natural number and m=1 that n is 3 or more, and meet above-mentioned mathematical expression (2) and [condition 1].
In addition, as shown in Fig. 4 A, Fig. 4 B, or meet the starting hair of n=3, above-mentioned mathematical expression (1) and [condition 2]
Motor three-phase rotating electric machine 1.
In addition, as shown in Fig. 5 A, Fig. 5 B, or meet the starting generator of n=5, above-mentioned mathematical expression (1) and [condition 2]
With three-phase rotating electric machine 1.
Here, as shown in Fig. 4 A to Fig. 5 B, when n is odd number, pole in the three-phase (U phase, V phase, W phase) of pole tooth 16, with phase
The all circumferentially adjacent configurations of tooth 16.
That is, as shown in Fig. 4 A, Fig. 4 B, in the stator 4 that same phase pole tooth 16U, 16V, 16W are respectively arranged three, three
A same phase pole tooth 16U, 16V, 16W by all continuously in a circumferential side by side in a manner of configure.
In addition, in the stator 4 that same phase pole tooth 16U, 16V, 16W are respectively arranged five, five the same as phase pole as shown in Fig. 5 A, Fig. 5 B
Tooth 16U, 16V, 16W by all continuously in a circumferential side by side in a manner of configure.
As shown in Fig. 6 A, Fig. 6 B, or meet n=6, above-mentioned mathematical expression (1), mathematical expression (3) and [condition 1] open
Dynamic generator three-phase rotating electric machine 1.
Times that above-mentioned starting generator is m in the quantity T and number of poles P that n is even number, m=1 and pole tooth 16 with three-phase rotating electric machine 1
Meet [condition 1] under number (1 multiple), therefore, six the same as the simultaneously deploying continuously in a circumferential of phase pole tooth 16U, 16V, 16W triplets
It sets, to form two with phase pole tooth groups 86U, 86V, 86W.Moreover, with phase same phase pole tooth groups 86U, 86V, 86W respectively with rotation
It is oppositely disposed centered on axes O.
As described above, being set as meeting any of above-mentioned mathematical expression (1), mathematical expression (2) and mathematical expression (3) and meeting [item
Part 1] and the starting generator of any of [condition 2] realize effect identical with above embodiment with three-phase rotating electric machine 1
Fruit.
(industrial utilizability)
Starting generator three-phase rotating electric machine according to the present invention, either uses in the starter motor as vehicle
In the case of, or in the case where using as generator, can obtain good characteristic.
(symbol description)
1 starting generator three-phase rotating electric machine
2 flywheels (rotor)
4 stators
8 permanent magnets (magnetic pole)
16 pole teeth；
16U U phase pole tooth (the first pole tooth)
16V V phase pole tooth (the second pole tooth)
16W W phase pole tooth (third pole tooth)
18 armature coils (coil)
60 crank axles
86U U phase pole tooth groups (with phase pole tooth groups)
86V V phase pole tooth groups (with phase pole tooth groups)
86W W phase pole tooth groups (with phase pole tooth groups)
O rotation axis.
Claims (3)
1. a kind of starting generator three-phase rotating electric machine, comprising:
Stator, the stator are configured adjacently in the circumferential by multiple pole teeth；And
Rotor, the rotor are arranged to rotate relative to the stator, and circumferentially arranged with multiple magnetic poles,
It is characterized in that,
N is set as 3 or more natural number, the quantity of the pole tooth is set as T, the number of poles of the magnetic pole is set as P when,
The quantity T of the pole tooth and number of poles P is set as meeting P:T=3n ± 1:3n when n is odd number, when n is even number
Meet P:T=3n ± 2:3n,
Multiple pole teeth are made of multiple first poles tooth, multiple second poles tooth and multiple third poles tooth, wherein
Multiple first pole teeth are wound with the coil of the first phase,
Multiple second pole teeth are wound with the coil of the second phase,
Multiple third pole teeth are wound with the coil of third phase,
Multiple pole teeth are all configured to and adjacent at least any one same phase of pole tooth.
2. starting generator three-phase rotating electric machine as described in claim 1, which is characterized in that
When n is set as odd number, the pole tooth with phase is all configured adjacently in the circumferential.
3. starting generator three-phase rotating electric machine as described in claim 1, which is characterized in that
N is set as even number, m is set as 1 or more natural number, the pole tooth quantity T and the number of poles P be the multiple of m
When, form 2m with phase pole tooth groups, the 2m same phase pole tooth groups adjacent in the circumferential with the pole tooth of phase are matched by n/2
Made of setting, the 2m same phase pole tooth groups are oppositely disposed centered on rotation axis.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016158876A JP2018026985A (en) | 2016-08-12 | 2016-08-12 | Three-phase rotary electric machine for starter generator |
| JP2016-158876 | 2016-08-12 | ||
| PCT/JP2017/027049 WO2018030153A1 (en) | 2016-08-12 | 2017-07-26 | Three-phase rotary electric machine for starter generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109565230A true CN109565230A (en) | 2019-04-02 |
Family
ID=61162963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780047247.0A Pending CN109565230A (en) | 2016-08-12 | 2017-07-26 | Start generator three-phase rotating electric machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018026985A (en) |
| CN (1) | CN109565230A (en) |
| WO (1) | WO2018030153A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113330664A (en) * | 2019-09-13 | 2021-08-31 | 株式会社电装 | Brushless motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022069087A (en) | 2020-10-23 | 2022-05-11 | 本田技研工業株式会社 | Rotary electric machine |
| TWI791301B (en) * | 2021-10-08 | 2023-02-01 | 介隆興齒輪股份有限公司 | Structure of a three-phase motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174396A (en) * | 1996-12-04 | 1998-06-26 | Denso Corp | Rotating electric machine |
| US6573629B1 (en) * | 1999-10-08 | 2003-06-03 | Kabushiki Kaisha Moric | Three-phase magneto generator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2743918B2 (en) * | 1996-12-27 | 1998-04-28 | 株式会社日立製作所 | Permanent magnet field type brushless motor |
| JP2005073450A (en) * | 2003-08-27 | 2005-03-17 | Matsushita Electric Ind Co Ltd | Motor generator |
| JP2008211918A (en) * | 2007-02-27 | 2008-09-11 | Kokusan Denki Co Ltd | Rotary electric machine |
| JP5690651B2 (en) * | 2011-05-17 | 2015-03-25 | 本田技研工業株式会社 | Inverter generator |
-
2016
- 2016-08-12 JP JP2016158876A patent/JP2018026985A/en active Pending
-
2017
- 2017-07-26 CN CN201780047247.0A patent/CN109565230A/en active Pending
- 2017-07-26 WO PCT/JP2017/027049 patent/WO2018030153A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10174396A (en) * | 1996-12-04 | 1998-06-26 | Denso Corp | Rotating electric machine |
| US6573629B1 (en) * | 1999-10-08 | 2003-06-03 | Kabushiki Kaisha Moric | Three-phase magneto generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113330664A (en) * | 2019-09-13 | 2021-08-31 | 株式会社电装 | Brushless motor |
| CN113330664B (en) * | 2019-09-13 | 2023-12-12 | 株式会社电装 | Brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018026985A (en) | 2018-02-15 |
| WO2018030153A1 (en) | 2018-02-15 |
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