CN109672275A - Stator structure and rotary transformer - Google Patents
Stator structure and rotary transformer Download PDFInfo
- Publication number
- CN109672275A CN109672275A CN201811207918.8A CN201811207918A CN109672275A CN 109672275 A CN109672275 A CN 109672275A CN 201811207918 A CN201811207918 A CN 201811207918A CN 109672275 A CN109672275 A CN 109672275A
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- coil
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- insulator
- stator structure
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Classifications
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K24/00—Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The present invention provides stator structure and rotary transformer, can be improved the operating efficiency of the injection processing of embedding agent.The stator structure of embodiment has: stator core, with cricoid main part and from main part to the multiple teeth radially extended；Insulator covers multiple teeth from the axial two sides of stator core；Multiple coils, they are via insulator and wound on each of multiple teeth；Terminal board portion is formed in insulator, and the terminal with the wound portion of the end winding for the winding for constituting coil is arranged；First coil cover covers coil from axial side, is provided with the terminal board cover portion from axial side covering terminal board portion；And second coil housing, it covers coil from the axial other side, and first coil is provide with the second inlet for being equipped with the first inlet for injecting the embedding agent for being filled in the respective surrounding of multiple coils from side and being filled in the embedding agent around wound portion from side injection.
Description
Technical field
The present invention relates to stator structure and rotary transformers.
Background technique
In the past, there is known the rotary transformers of the rotation angle of the rotating electric machines such as detection motor, generator.Above-mentioned rotation becomes
Depressor for example has: having from be formed the inner circumferential side of cricoid main part towards the center stator iron of multiple teeth that extends
Core and said stator iron core inside and multiple teeth rotor arranged opposite.In addition, being rolled up respectively in multiple teeth via insulator
Multiple coils are wound with, in order to protect above-mentioned multiple coils, a pair of of coil housing that multiple coils are covered from axial two sides is set.
Further it is proposed to implement encapsulating processing by the way that the embedding agent of resin is coated in coil bonding a pair of of coil housing
Technology (referring for example to patent document 1).Also, it for the terminal for protecting the end winding for the winding for constituting coil, proposes
Flow into the technology that varnish is sealed to the container portion for storing above-mentioned terminal (referring for example to patent document 2).
Patent document 1: Japanese Unexamined Patent Publication 2003-209946 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2013-51749 bulletin
However, in existing technology, bonding a pair of of coil housing with embedding agent and being intended to be sealed with identical embedding agent
In the case where terminal, due to the direction for injecting embedding agent around coil and to the direction for injecting embedding agent around terminal
Difference, so whole injection processing can not be carried out in the same process.Accordingly, there exist the operation effects of the injection processing of embedding agent
The low such problems of rate.
Summary of the invention
The present invention be exactly in view of the above problems and complete, and it is an object of the present invention to provide at a kind of injection that can be improved embedding agent
The stator structure and rotary transformer of the operating efficiency of reason.
In order to solve the above problems, purpose is realized, the stator structure of one embodiment of the present invention has: stator iron
Core, insulator, multiple coils, terminal board portion, first coil cover and the second coil housing.Said stator iron core has cricoid master
Body portion and from aforementioned body portion to the multiple teeth radially extended.Above-mentioned insulator is from the axial two sides of said stator iron core
Cover above-mentioned multiple teeth.Above-mentioned multiple coils are via above-mentioned insulator and wound on each of above-mentioned multiple teeth.Above-mentioned terminal board
Portion is formed in above-mentioned insulator, and the terminal with the wound portion of the end winding for the winding for constituting above-mentioned coil is arranged.It is above-mentioned
First coil cover covers above-mentioned coil from above-mentioned axial side, is provided with from above-mentioned axial above-mentioned side and covers above-mentioned terminal
The terminal board cover portion in platform portion.Above-mentioned second coil housing covers above-mentioned coil from the above-mentioned axial other side.Moreover, above-mentioned First Line
Circle be provide be equipped with from above-mentioned side injection be filled in above-mentioned multiple coils it is respective around embedding agent the first inlet, with
And the second inlet of the above-mentioned embedding agent around above-mentioned wound portion is filled in from the injection of above-mentioned side.
According to an embodiment of the present invention, it can be improved the operating efficiency of the injection processing of embedding agent.
Detailed description of the invention
Fig. 1 is the perspective view for indicating the structure of stator structure of embodiment.
Fig. 2 is the top view for indicating the structure of stator structure of embodiment.
Fig. 3 is the line A-A cross-sectional view of Fig. 2.
Fig. 4 is the state assembled before first coil cover and the second coil housing in the stator structure for indicate embodiment
Perspective view.
The explanation of appended drawing reference
1 ... stator structure, 10 ... stator cores, 11 ... main parts, 12 ... teeth, 20 ... insulators, 30 ... coils, 40 ... ends
Sub- platform portion, 41 ... terminals, 41a ... wound portion, 50 ... first coil covers, 51 ... terminal board cover portions, 60 ... second coil housings, 70 ...
Container portion, the first inlet of 70a ..., 80 ... container portions, the second inlet of 80a ..., 90 ... embedding agents.
Specific embodiment
Hereinafter, being explained with reference to the stator structure and rotary transformer of embodiment.In addition, reality described below
Apply the purposes that mode does not limit stator structure and rotary transformer.In addition, attached drawing is schematically to scheme, it should be noted that
The relationship of the size of each element, ratio of each element etc. there is a situation where different from reality.Also, in the mutual of attached drawing,
Sometimes the different part of relationship, ratio comprising mutual size.
(detailed content of stator structure)
It is illustrated with reference first to detailed content of the FIG. 1 to FIG. 3 to the stator structure 1 of embodiment.Fig. 1 is to indicate to implement
The perspective view of the structure of the stator structure 1 of mode, Fig. 2 are the top view for indicating the structure of stator structure 1 of embodiment, Fig. 3
It is the line A-A cross-sectional view of Fig. 2.
Rotor (not shown) is arranged in the inside of stator structure 1 shown in Fig. 1, thus obtains the rotation transformation of embodiment
Device.The rotary transformer of embodiment is VR (Variable Reluctance: variable reluctance) type rotary transformer, rotor quilt
It is fixed on the output shaft of rotating electric machine, and is rotated along with the rotation of above-mentioned output shaft.Thereby, it is possible to detect rotating electric machine
The rotation angle of output shaft.
As shown in Figure 1, stator structure 1 has: stator core 10, insulator 20, multiple coils 30, terminal board portion 40,
One coil housing 50 and the second coil housing 60.
Stator core 10 has the lit-par-lit structure that the steel plates such as more pieces of electromagnetic steel plates have been laminated.Stator core 10 includes main body
Portion 11 and multiple teeth 12.Main part 11 is cyclic annular, is circular in embodiments.Inner circumferential of multiple teeth 12 from main part 11
The center (i.e. radial) of side towards main part 11 extends.
In addition, as shown in Figure 1, later regulation stator core 10 radially, axially and week is always illustrated.Here,
" radial direction " is the direction with the rotating shaft direct cross of the rotor rotated in the inside of stator core 10, and " axial direction " is the rotation with rotor
The consistent direction of the axial direction of axis, " circumferential direction " are and the consistent direction in the direction of rotation of rotor.
Insulator 20 is the component of insulating properties, such as forms formation by the injection molding of insulative resin.Insulator
20 are for example formed and stator core 10 is embedded to insert molding as inside, cover stator core from axial two sides
10。
Multiple coils 30 are wound onto each of multiple teeth 12 via insulator 20.Above-mentioned coil 30 by excitation winding and
Winding is exported to constitute.In addition, the output winding of coil 30 exports winding and output by the sin phase for exporting the output signal of sin phase
The cos phase of the output signal of cos phase exports winding composition.
Terminal board portion 40 is formed on insulator 20, extends from above-mentioned insulator 20 to radial outside.Multiple (embodiment party
It is 6 in formula) terminal 41 supported by terminal board portion 40.Above-mentioned terminal 41 is the component of the electric conductivity such as metal.Terminal 41 is at one end
With from the wound portion 41a that terminal board portion 40 is prominent in the axial direction and is provided for erecting, the end of the winding of corresponding coil 30 is constituted
It is wrapped in above-mentioned wound portion 41a.
Such as it is whole in winding beginning, the winding of excitation winding that the wound portion 41a of 6 terminals 41 winds excitation winding respectively
End, sin phase exports the winding beginning of winding, sin phase exports the winding terminal of winding, cos phase export winding winding beginning, with
And cos phase exports the winding terminal of winding.
Moreover, for example implementing TIG (Tungsten Inert Gas) weldering to the wound portion 41a for the end for being wound with winding
It connects, thus it enables that winding is electrically connected with wound portion 41a.
In addition, the other end of terminal 41 is incorporated in the conductor-retaining portion extended from terminal board portion 40 to radial outside
42.As shown in figure 4, being formed with the insertion section of multiple channel-shaped in above-mentioned conductor-retaining portion 42, extend from external device (ED) is (not shown)
Conducting wire 100 be inserted into above-mentioned insertion section and be maintained at above-mentioned insertion section.
Moreover, the other end of terminal 41 is set to above-mentioned insertion section with being exposed, so conducting wire 100 is inserted into insertion section,
Thus it enables that conducting wire 100 is electrically connected with terminal 41.Such as electric resistance welding is implemented by the part to conducting wire 100 and the contact of terminal 41
It connects, conducting wire 100 and terminal 41 can be made to be electrically connected.
First coil cover 50 is to be wound onto the coil 30 of tooth 12 from axial side (being upside in Fig. 1) covering to protect
The cover of protective ring 30.First coil cover 50 is formed by the injection molding molding of insulative resin.
In addition, being formed in first coil cover 50, and in position corresponding with terminal board portion 40 and conductor-retaining portion 42
Terminal board cover portion 51.Moreover, being formed with the wall portion of tubular in above-mentioned terminal board cover portion 51, and in the position for surrounding multiple terminals 41
51a。
Second coil housing 60 is the coil 30 that tooth 12 is wound onto from the axial other side (being downside in Fig. 1) covering
Protect the cover of coil 30.Second coil housing 60 is formed by the injection molding molding of insulative resin.
Here, in embodiments, stator core 10, insulator 20, first coil cover 50 and the second coil housing are utilized
60, the multiple containers portion 70 of filling embedding agent 90 (referring to Fig. 3) is formed around multiple coils 30 are respective.
Moreover, heat treatment as defined in implementing after filling embedding agent 90 to said vesse portion 70, thus it enables that first
Coil housing 50 and the second coil housing 60 bond.In addition, filling embedding agent 90 to container portion 70, coil is covered using embedding agent 90
30, thereby, it is possible to protect coil 30 from the influence from the external oil invaded etc..
In addition, in embodiments, as shown in figure 3, using the wall portion 51a in terminal board portion 40 and terminal board cover portion 51,
The container portion 80 of filling embedding agent 90 is formed around the wound portion 41a of multiple terminals 41.
Moreover, filling embedding agent 90 to said vesse portion 80, wound portion 41a is covered using embedding agent 90, thus, it is possible to protect
Wound portion 41a is protected from the influence from the external oil invaded etc..
Also, in embodiments, to container portion 70 inject multiple first inlet 70a of embedding agent 90 and to container
The second inlet 80a that embedding agent 90 is injected in portion 80 is all formed towards axial side (upside in figure).
Thereby, it is possible to carry out at whole injections from axial side for whole container portions 70 and container portion 80
Reason.I.e. in embodiments, multiple nozzles are once inserted into the first inlet 70a and the second inlet from axial side
80a, thus, it is possible to the processing of the injection to whole container portions 70 and container portion 80 is carried out in same flow chart.
Therefore, according to embodiment, it can be improved the operating efficiency of the injection processing of embedding agent 90.In addition, embedding agent 90
It is the flexible materials such as the resin, such as preferred polypropylene for being modulated to defined viscosity.
In addition, in embodiments, form the first inlet 70a and the second inlet 80a all towards axial direction,
Thus when carrying out injection processing from the first inlet 70a and the second inlet 80a, stator structure 1 can be kept intact
Ground is set to operation post, and carries out injection processing from upside and do not have to be fixed on special operation post and from the direction for being difficult to operation
Carry out injection processing.
Therefore, according to embodiment, form the first inlet 70a and the second inlet 80a all towards axial direction,
Thus, it is possible to improve the workability when injection processing for being potted agent 90 to stator structure 1.
Also, it in embodiments, as shown in Fig. 2, can also be in all appearances being respectively formed in around multiple teeth 12
Device portion 70 forms the first inlet 70a.
Here, suppose that the first inlet 70a is not formed in all container portions 70, and multiple containers portion 70 shares one
First inlet 70a, corresponding container portion 70 is each other in interior bonds.In this case, if from above-mentioned the first shared injection
Mouthful 70a carries out injection processing to the multiple containers portion 70 in interior bonds, then in each container portion 70 embedding agent 90 injection
State is not substantially uniform, so a possibility that adversely affecting in the presence of the reliability etc. to coil 30.
On the other hand, in embodiments, due to forming the first inlet 70a in all container portions 70, so each
The injection state of embedding agent 90 can be made substantially uniform in container portion 70.Therefore, according to embodiment, it can be improved stator structure
1 reliability.
(assembling procedure of stator structure)
Then, it is illustrated referring to assembling procedure of the Fig. 4 to the stator structure 1 of embodiment.Fig. 4 is to indicate embodiment
Stator structure 1 in assemble the perspective view of state before first coil cover 50 and the second coil housing 60.
As shown in figure 3, it is embedded in the insulator 20 that insert molding as inside is formed via by stator core 10,
By coil 30 wound on each of multiple teeth 12.In addition, being formed with gap 13 between adjacent tooth 12.
Moreover, relative to the tectosome, from axial two sides assembling first coil cover 50 and the second coil housing 60.
First coil cover 50 includes cricoid outside annulus 50a and is arranged at the interior of above-mentioned outside annulus 50a
The cricoid inner annular portion 50b of side.In addition, in first coil cover 50, and annulus 50a and inner annular portion 50b on the outside
Between be circumferentially, equally spaced formed with multiple first inlet 70a, on the outside between annulus 50a and inner annular portion 50b,
At no position for forming the first inlet 70a, the multiple column sections 50c extended downward are circumferentially, equally spaced set.
Also, it is formed in the front end 50ca of above-mentioned column sections 50c chimeric with the front end 60ba of aftermentioned column sections 60b
Protrusion 50cb.
Second coil housing 60 has cricoid main part 60a.In addition, being circumferentially, equally spaced arranged in the second coil housing 60
The multiple column sections 60b extended upwards from the inside of main part 60a.Also, it is formed in the front end 60ba of above-mentioned column sections 60b
There is the recess portion 60bb chimeric with the protrusion 50cb of front end 50ca for being formed in above-mentioned column sections 50c.
Moreover, in the assembling procedure of stator structure 1, using first coil cover 50 and the second coil housing 60 from clamping up and down
Above-mentioned tectosome.At this point, the column sections 50c of first coil cover 50 is made to be inserted into the gap 13 for being formed on stator core 10, and
The column sections 60b of the second coil housing 60 is set similarly to be inserted into gap 13.
Here, the recess portion 60bb of the front end 60ba of the protrusion 50cb and column sections 60b of the front end 50ca of column sections 50c are embedding
It closes, is blocked between the front end for the tooth 12 that will abut against, and first coil cover 50 and the second coil housing 60 surround the week of coil 30
It encloses, thus forms container portion 70 already described above around coil 30.The layer for the stator core 10 being made of lit-par-lit structure
The deviation of folded size can be adjusted by the chimeric of protrusion 50cb and recess portion 60bb.In addition, protrusion 50cb and recess portion 60bb
Certainly it can also be opposite structure.
Moreover, said vesse portion 70 is other than first coil cover 50 and the second coil housing 60, also by stator core 10 with
Insulator 20 is constituted, and is formed other than the first inlet 70a without gap as leakage embedding agent 90.
As a result, when embedding agent 90 is injected container portion 70, it is able to suppress the case where embedding agent 90 is leaked from container portion 70.
More than, though embodiments of the present invention are illustrated, the present invention is not limited to above embodiment, only
It wants without departing from the spirit and is just able to carry out various changes.Such as in embodiments, though showing integrally formed insulator 20
Example, but can also be set as forming insulator 20 being axially divided into two, stator iron is clamped using above-mentioned two insulator
Core 10.
In addition, in embodiments, though the case where showing the rotary transformer for applying the present invention to inner-rotor type,
It can also apply the present invention to the rotary transformer of outer-rotor type.
As described above, the stator structure 1 of embodiment has: stator core 10, insulator 20, multiple coils 30, terminal
Platform portion 40, first coil cover 50 and the second coil housing 60.Stator core 10 has cricoid main part 11 and from main part
11 to the multiple teeth 12 radially extended.Insulator 20 covers multiple teeth 12 from the axial two sides of stator core 10.Multiple coils
30 via insulator 20 and wound on each of multiple teeth 12.Terminal board portion 40 is formed in insulator 20, and setting has for constituting
The terminal 41 of the wound portion 41a of the end winding of the winding of coil 30.First coil cover 50 covers coil 30 from axial side,
It is provided with the terminal board cover portion 51 from axial side covering terminal board portion 40.Second coil housing 60 is covered from the axial other side
Coil 30.Moreover, first coil cover 50, which is provided with from side, injects the embedding agent 90 filled to the respective surrounding of multiple coils 30
The first inlet 70a and inject from side to the second inlet 80a of the embedding agent 90 filled around wound portion 41a.
Thereby, it is possible to improve the operating efficiency of the injection processing of embedding agent 90.
In addition, in the stator structure 1 of embodiment, first coil cover 50 and the second coil housing 60 it is each have match
It is placed at the multiple column sections blocked between the gap 13 formed and the front end for the tooth 12 that will abut against between adjacent tooth 12
50c, 60b, each column sections 60b's of the front end 50ca and the second coil housing 60 of each column sections 50c of first coil cover 50
Front end 60ba is chimeric.As a result, when embedding agent 90 is by injection container portion 70, it is able to suppress what embedding agent 90 was leaked from container portion 70
Situation.
In addition, forming the first inlet 70a around whole coils 30 in the stator structure 1 of embodiment.By
This, can be improved the reliability of stator structure 1.
In addition, the rotary transformer of embodiment has rotor and said stator construction 1.Thereby, it is possible to realize to make encapsulating
The rotary transformer that the operating efficiency of the injection processing of agent 90 improves.
In addition, the present invention is not limited by above embodiment.The present invention also includes to be appropriately combined above-mentioned each composition element
And the invention constituted.In addition, further effect, variation be to those skilled in the art can be easy it is derived.Cause
This, the embodiment of wider scope of the present invention is not limited to the above embodiment, and is able to carry out various changes.
Claims (4)
1. a kind of stator structure, wherein have:
Stator core, with cricoid main part and from aforementioned body portion to the multiple teeth radially extended；
Insulator covers above-mentioned multiple teeth from the axial two sides of said stator iron core；
Multiple coils, they are via above-mentioned insulator and wound on each of above-mentioned multiple teeth；
Terminal board portion is formed in above-mentioned insulator, and the winding with the end winding for the winding for constituting above-mentioned coil is arranged
The terminal in portion；
First coil cover covers above-mentioned coil from above-mentioned axial side, is provided with from above-mentioned axial above-mentioned side and covers
The terminal board cover portion in above-mentioned terminal board portion；And
Second coil housing covers above-mentioned coil from the above-mentioned axial other side,
Above-mentioned first coil is provide with the embedding agent for being equipped with and being filled in the respective surrounding of above-mentioned multiple coils from the injection of above-mentioned side
The first inlet and the second injection of above-mentioned embedding agent around above-mentioned wound portion is filled in from the injection of above-mentioned side
Mouthful.
2. stator structure according to claim 1, wherein
Above-mentioned first coil cover and above-mentioned second coil housing are respectively provided be configured at and formed between adjacent above-mentioned tooth between
The multiple column sections blocked between the front end of gap and the above-mentioned tooth that will abut against,
Before the front end of each above-mentioned column sections of above-mentioned first coil cover and each above-mentioned column sections of above-mentioned second coil housing
End is chimeric.
3. stator structure according to claim 1 or 2, wherein
Above-mentioned first inlet is formed with around whole above-mentioned coils.
4. a kind of rotary transformer, wherein have:
Rotor；
Stator structure according to any one of claims 1 to 3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-200866 | 2017-10-17 | ||
| JP2017200866A JP6847805B2 (en) | 2017-10-17 | 2017-10-17 | Stator structure and resolver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109672275A true CN109672275A (en) | 2019-04-23 |
| CN109672275B CN109672275B (en) | 2021-10-19 |
Family
ID=66141968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811207918.8A Active CN109672275B (en) | 2017-10-17 | 2018-10-17 | Stator structure and rotary transformer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6847805B2 (en) |
| CN (1) | CN109672275B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54175064U (en) * | 1978-05-31 | 1979-12-11 | ||
| JPH0522908A (en) * | 1991-07-08 | 1993-01-29 | Kokusan Denki Co Ltd | Stator for rotary electric machine, and its manufacture |
| JP2002107109A (en) * | 2000-09-28 | 2002-04-10 | Tamagawa Seiki Co Ltd | Structure for rotation detector |
| CN101282066A (en) * | 2007-04-05 | 2008-10-08 | 三菱电机株式会社 | Dynamoelectric coil portion insulating construction |
| CN203423542U (en) * | 2013-07-30 | 2014-02-05 | 中山大洋电机制造有限公司 | Plastic packaging stator structure and plastic packaging motor applying same |
| CN104285359A (en) * | 2012-05-16 | 2015-01-14 | 神钢建机株式会社 | Electric motor assembly and manufacturing method thereof |
| CN106300756A (en) * | 2015-06-24 | 2017-01-04 | 美蓓亚株式会社 | Rotary transformer |
| JP2017189098A (en) * | 2016-04-05 | 2017-10-12 | ミネベアミツミ株式会社 | Stator structure and resolver |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692454U (en) * | 1979-12-17 | 1981-07-23 | ||
| JP3556530B2 (en) * | 1999-07-05 | 2004-08-18 | 本田技研工業株式会社 | Hybrid vehicle drive |
| US20120262015A1 (en) * | 2009-10-14 | 2012-10-18 | Daesung Electric Co., Ltd. | Resolver of electric driving motor for vehicle |
| JP5943881B2 (en) * | 2013-07-04 | 2016-07-05 | 日本航空電子工業株式会社 | Resolver cable connection structure, manufacturing method thereof, and resolver |
-
2017
- 2017-10-17 JP JP2017200866A patent/JP6847805B2/en active Active
-
2018
- 2018-10-17 CN CN201811207918.8A patent/CN109672275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54175064U (en) * | 1978-05-31 | 1979-12-11 | ||
| JPH0522908A (en) * | 1991-07-08 | 1993-01-29 | Kokusan Denki Co Ltd | Stator for rotary electric machine, and its manufacture |
| JP2002107109A (en) * | 2000-09-28 | 2002-04-10 | Tamagawa Seiki Co Ltd | Structure for rotation detector |
| CN101282066A (en) * | 2007-04-05 | 2008-10-08 | 三菱电机株式会社 | Dynamoelectric coil portion insulating construction |
| CN104285359A (en) * | 2012-05-16 | 2015-01-14 | 神钢建机株式会社 | Electric motor assembly and manufacturing method thereof |
| CN203423542U (en) * | 2013-07-30 | 2014-02-05 | 中山大洋电机制造有限公司 | Plastic packaging stator structure and plastic packaging motor applying same |
| CN106300756A (en) * | 2015-06-24 | 2017-01-04 | 美蓓亚株式会社 | Rotary transformer |
| JP2017189098A (en) * | 2016-04-05 | 2017-10-12 | ミネベアミツミ株式会社 | Stator structure and resolver |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6847805B2 (en) | 2021-03-24 |
| JP2019075902A (en) | 2019-05-16 |
| CN109672275B (en) | 2021-10-19 |
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