CN1241790A - Molded coil method and mold for producing the same - Google Patents
Molded coil method and mold for producing the same Download PDFInfo
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- CN1241790A CN1241790A CN 99109809 CN99109809A CN1241790A CN 1241790 A CN1241790 A CN 1241790A CN 99109809 CN99109809 CN 99109809 CN 99109809 A CN99109809 A CN 99109809A CN 1241790 A CN1241790 A CN 1241790A
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- coil
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- axle
- moulding material
- spool
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Abstract
A molded coil is provided for preventing the entrance of water, oil and the like into the inside a coil. The molded coil 1 is comprised of a coil 2 provided therein and having the outer surfaces thereof covered by a resin material, and a molded element 17 formed by curing the resin material. Bulging portions 6 are provided at the opposite ends of a shaft 5 of a bobbin 3 of the coil 2. The molded element 17 is so formed as to cover the coil 2 from the outer surfaces of the two bulging portions 6 over the outer circumferential surface of the wound wire 4.
Description
The method and the model that the present invention relates to a kind of molded coil and be used to produce this molded coil.
Fig. 6 shows at a kind of molded coil 100 disclosed in the open No.3-199786 of Japanese unexamined patent.Described molded coil 100 is produced with method described below.At first, by forming coil 103 on the axle 104 that line 101 is wrapped in a spool 102.Described coil 103 is placed in the model (not shown) so that cover the outer surface of described coil 103 with a kind of resin material.After described resin material sclerosis, form a molded element 106.
Be arranged on the opposite end of the axle 104 of spool 102 from described axle 104 radially-protruding dishes 105.Described dish 105 and molded element 106 are located to contact with 101 the external peripheral surface of winding the line at the external margin of described dish 105 (among Fig. 6 by the part shown in the A).Like this, if Dang Shui, oil or similar substance enter these interface timesharing, water, oil or similar substance may enter the inside of coil 103.
Purpose of the present invention is exactly in order to address the above problem, and the object of the present invention is to provide a kind of method and the model that can prevent that sealing, oil or similar substance enter the molded coil of coil inside and be used to produce this molded coil.
For realizing purpose of the present invention, the invention provides a kind of molded coil, this molded coil comprises:
A coil, described coil has a spool and line, described spool has an axle and one or more projection, preferably have two projections, described projection protrudes with the opposite end of an angle that is different from 0 ° or 180 ° from described axle, preferably protrude to opposite end from described axle along the described diameter of axle, described wire-wound on described axle, and
A molded element utilizes the molded and shaped described molded element of moulding material, so that described molded element and described coil become one,
Wherein, described molded element covers the described coil external peripheral surface from the outer surface part of described two projections to described coiling at least.
A preferred embodiment of the present invention provides a kind of molded coil, and this molded coil comprises:
A coil, described coil have a spool and line, and described spool has an axle and two projections, and described projection protrudes to the opposite end from described axle along the described diameter of axle, described wire-wound on described axle, and
A molded element utilizes a kind of resin material to form described molded element with molded and shaped method so that described molded element and described coil become one,
Wherein, described coil at least the external peripheral surface from the outer surface of described two projections to described coiling all covered by described molded element.
Because the external peripheral surface of described coil from the outer surface of described two projections to described coiling all covered by described molded element, therefore can prevent that sealing, oil or similar substance enter the inside of described coil by described projection.
Be preferably on the moulding material layer at least one described projection and be formed with demoulding hole, described demoulding hole is recessed, be easy to act as most described moulding material or resin material in described model when molded and shaped, by a described projection being contacted form described demoulding hole with the part of described model, described demoulding hole is positioned near the described axle and maintains a certain distance with the external margin of a described projection.
Because described demoulding hole is arranged near the described axle and maintain a certain distance with the external margin of a described projection, therefore, compare with near the situation demoulding hole is formed on the external margin of a described projection, the distance between demoulding hole and the coil inside is longer.Thereby even water, oil or similar substance can enter in the demoulding hole, but the possibility that enters coil inside is still very little.
Preferably at least one described projection is provided with a bump bonds part or engage grooves part so that described bonding part engages with described moulding material or resin material layer on being formed at least one described projection.
Since be provided with can be formed on described bump bonds part or the engage grooves part that a resin bed on the described projection engages, therefore can make described projection engage relatively more firmly with resin bed.
Described bump bonds partly or engage grooves partly is preferably closed circular so that described bonding part surrounds described demoulding hole along the whole circumference of at least one described projection.
Even water, oil or similar substance can enter in the demoulding hole, but because described annular protrusion bonding part or engage grooves part is surrounded described demoulding hole along the whole circumference of at least one described projection, therefore can prevent sealing, oil or similar substance by described projection external margin enter the inside of coil.Thereby, improved anti-seepage effect.
Preferably utilize the described demoulding of a kind of charges filling hole.
Owing to utilize the described demoulding of described charges filling hole, therefore can avoid water, oil or similar substance to enter in the demoulding hole.In addition, in the prior art, enter for anti-sealing, oil or similar substance in the bonding part of dish in the molded coil and molded element, have on the whole excircle of described dish, all apply charges, therefore need a large amount of charges, labour and time.But, in the present invention, owing to only need the described charges of filling in demoulding hole, therefore only need a spot of charges and short time and less labour.
According to a preferred embodiment of the present invention, described molded element covers the part of described axle at least, preferably surrounds whole winding.
The present invention also provides a kind of method that is used to produce a kind of molded coil, and this method comprises the following steps:
A coil is placed in the model, described coil is to form by winding the line on the axle of a spool, described spool has one or more projections, preferably have two projections, described projection protrudes from the two ends of described axle with an angle that is different from 0 ° or 180 °, and described projection preferably protrudes to the opposite end from described axle along the described diameter of axle;
Utilization is supported described spool from the projecting inward spool support unit of described model, thereby defines a moulding material chamber between at least one described projection and the corresponding surface of described model;
Moulding material is filled in the described moulding material chamber that is limited in the described model; And
Make described moulding material sclerosis.
Because described resin cavity is arranged on the projection outside of described spool, therefore the outer surface of described projection can be covered securely by described moulding material or resin material.
According to a preferred embodiment of the present invention, the present invention also provides a kind of method that is used to produce molded coil, and this method comprises the following steps:
A coil is placed in the model, described coil is to form by winding the line on the axle of a spool, described spool has two projections, described projection protrudes to the two ends from described axle along the described diameter of axle, and moulding material or resin material are filled in the described model;
Wherein, the spool support unit that is used to support described spool is projecting inward from described model, when described coil is placed described model, described spool support unit can support described spool, thereby below a described projection, define a moulding material chamber, but described moulding material of filling or resin material in the described moulding material chamber.
This method preferably also comprises following step:
Preferably on a moulding material layer that is formed on the described projection, demoulding hole is set, the described demoulding of the most handy a kind of charges filling hole by the described spool support unit that is positioned at there.
Preferably the described spool support unit by being positioned at there is provided with demoulding hole being formed on moulding material on the described projection or the resin material layer, with the described demoulding of a kind of charges filling hole.
Owing to utilize the described demoulding of described charges filling hole, therefore can avoid water, oil or similar substance to enter in the demoulding hole.In addition, in the prior art, enter for anti-sealing, oil or similar substance in the bonding part of dish in the molded coil and molded element, have on the whole excircle of described dish, all apply charges, therefore need a large amount of charges, labour and time.But, in the present invention, owing to only need the described charges of filling in demoulding hole, therefore only need a spot of charges and short time and less labour.
The present invention also provides a kind of model, can produce a kind of molded coil by a coil being placed described model and a kind of moulding material being filled to model, described coil is to form by winding the line on the axle of a spool, described spool has one or more projections, preferably have two projections, described projection protrudes from the two ends of described axle with an angle that is different from 0 ° or 180 °, described projection preferably protrudes to the two ends from described axle along the described diameter of axle, described model comprises the spool support unit that supports described spool from projecting inward being used to of described model, wherein, when described coil is placed described model, described spool support unit can support described spool, thereby between at least one described projection and the corresponding surface of described model, define a moulding material chamber, but the described moulding material of filling in the described moulding material chamber.
According to a preferred embodiment of the present invention, determine the size and the position of described spool support unit demoulding hole can be arranged on mode on the moulding material layer that is formed at least one described projection.
The shape in described moulding material chamber preferably can make bump bonds part of at least one described projection or engage grooves part engage with a moulding material layer on being formed at least one described projection.
By below in conjunction with the accompanying drawing detailed description of the present invention, can draw these and other purposes, features and advantages of the present invention, wherein:
Fig. 1 is the sectional view of an embodiment of molded coil of the present invention;
Fig. 2 is a front view of described molded coil;
Fig. 3 is the sectional view of the described molded coil of expression before being covered by a kind of resin material;
Fig. 4 is the sectional view of an embodiment of model of the present invention;
Fig. 5 is the sectional view of the described coil of expression when being arranged in the described model;
Fig. 6 is a sectional view of a molded coil related in the prior art.
Describe one embodiment of the present of invention in detail with reference to Fig. 1 to Fig. 5 below.
Fig. 1 is a sectional view of molded coil 1.A coil 2 is arranged in the described molded coil 1, makes and covers a kind of resin material at least a portion external peripheral surface of described coil 2.Make this resin material sclerosis, formed a molded element 17.
Now coil 2 is described with reference to Fig. 3.Described coil 2 is provided with a spool 3 and line 4.The projection 6 of a sleeve shaft 5 and a pair of plate-like can be made and be comprised to described spool 3 by the synthetic resin material, described projection 6 protrudes from the top and the bottom of described axle with an angle that is different from 0 ° or 180 °, preferably radially protrudes or along perpendicular to the direction (or perpendicular to its y direction) of axle 5 top and the bottom protrusion from described axle along axle 5.Described line 4 is on described axle 5, and the two ends of described line 4 are drawn out at an end, as shown in Figure 3, are preferably in the upper right corner and are drawn out.The right-hand member of projection 6 on shown in Fig. 3 utilizes insert-molding method to form pair of terminals 7 (being also shown in Fig. 2).One end of described binding post 7 is embedded in the upper surface of projection 6, its remainder is along the radially extension (horizontal-extending part 7A) of axle 5, then with an angular bend that is different from 0 ° or 180 °, preferably as shown in Figure 3, with perpendicular to axle 5 radially be directed downwards bending.The other end of described binding post 7 can be used as a blank area (7B), and this blank area can link to each other with a terminal of the device (not shown) that is connected.A coupling part 8 stretches out from described horizontal-extending part 7A, and this coupling part can link with the two ends of line 4.
In Fig. 3, mounting portion 9 is formed on down in the projection 6 with the form of groove.Described mounting portion 9 is formed on down in the outer surface of projection 6, and its position maintains a certain distance near axle 5 and with external margin 6A.Down forming for example three described mounting portions 9 in the projection 6, these three mounting portions 9 and distance between 5 center be equate and with equally spaced mode annular array.In one embodiment of the invention, described mounting portion 9 can be arranged on a spool support unit 11 in the model 10 and engage.On the outer surface of the described mounting portion 9 of being formed with of projection 6, an annular protrusion bonding part 12 is set, described annular protrusion bonding part 12 surrounds described mounting portion 9 around the whole cylindrical of projection 6.Described bonding part 12 is made of a series of protrusions, and the cross section of described protrusion is preferably triangle.
With reference to Fig. 1 and Fig. 2 described molded element 17 is described below.Described molded element 17 is one with coil 2, has covered coil 2 simultaneously or 4 the whole outer surface 4a of winding the line.Will narrate as the back, coil 2 will be placed in the described model 10, resin material will be filled in the described model, and make the resin material sclerosis of described filling then, thereby formed described molded element 17.The external peripheral surface of described coil 2 from the outer surface of two projections 6 on the coil 2 to described coiling 4 all covered by described molded element 17.In addition, axle 5 one of the inboard formation at described spool 3 have certain thickness resin bed.In Fig. 1, the position corresponding to described mounting portion 9 on the resin bed on being formed on the outer surface of projection 6 is provided with demoulding hole 18.Be filled in a kind of sealant (as a kind of charges) 19 in the described demoulding hole 18 and it is solidified in described demoulding hole 18.Described molded element 17 comprises jockey parts 14, described jockey parts 14 surround described binding post 7 (with the angle that is different from 0 ° or 180 ° from the outside or a side surround described binding post 7, preferably to extend longitudinally direction perpendicular to described blank area 7B around described binding post 7).Described jockey parts 14 surround two binding posts 7 and make certain distance between the blank area 7B front end of described two binding posts 7, and described jockey parts 14 have an opening that is directed downwards.The unshowned device that is connected can link to each other with described jockey parts 14.With a sealant or resin components 14A is infused in the blind end place relative with described opening and it is solidified to prevent entering of water, oil or similar substance at described blind end place.
With reference to Fig. 4 described model 10 is described below.The projection 15 at a middle part is outstanding from the diapire of described model 10, and the diameter of described projection 15 is slightly less than the internal diameter of described axle 5.For example near three spool support units 11 (only showing wherein two among the figure) diapire from described model 10 projection 15 at described middle part is outstanding.9 positions, mounting portion on the projection 6 in the position of described spool support unit 11 and the spool 3 are identical, and described spool support unit 11 can be packed in the described mounting portion 9 with supporting coil 2.Like this, can be by the installation site that engages to determine spool 3 between spool support unit 11 and the mounting portion 9.The height that described spool support unit 11 is given prominence to is greater than the degree of depth of described mounting portion 9.In the time of in described spool support unit 11 is packed described mounting portion 9 into, between described projection 6 and model 10, define moulding material chamber or resin cavity 13 with certain size.Moulding material or resin material flow in the described resin cavity 13, thereby at least a portion outer surface 6B of described projection 6 is covered by resin material.When described molded coil 1 was molded and shaped, in the residing position of spool support unit, the demoulding hole 18 of described molded element 17 was in open mode.
Described model 10 also is provided with a jockey and forms part 10A, and described jockey forms part 10A can hold described binding post 7.Form joint groove 16 in the bottom surface of described jockey formation part 10A, the described blank area 7B of at least a portion can be inserted in the described joint groove 16.Form among the part 10A and can form described jockey parts 14 by resin material being filled to described jockey in the mode of the cavity of formation around described joint 7B.
To describe according to one embodiment of present invention below and be used for one coil 2 is placed on model 10 and resin material is filled to method or operating process in the model 10.
As shown in Figure 5, coil 2 is placed in the described model 10 or makes coil 2 be arranged in described model 10.Especially, axle 5 is installed in downwards on the projection 15 at middle part, and spool support unit 11 is alignd mutually with mounting portion 9.Simultaneously, binding post 7 is placed described jockey form in the part 10A and and push described joint groove 16 described blank area 7B.
After being placed on coil 2 in the model 10 by this way, filling moulding material or resin material and they are hardened in model 10 in model 10.After the described resin material sclerosis, formed described molded element 17, molded coil 1 has been taken out from model 10.Then, sealant 19 is filled to by in the described spool support unit 11 formed demoulding holes 18 and it is solidified in demoulding hole 18 or harden.
The external peripheral surface of molded coil in the present embodiment from the outer surface of two projections 6 on the coil 2 to described coiling 4 all covered by described molded element 17.Can prevent that like this sealing, oil or similar substance enter the inside of coil 2 from described projection 6.
Described demoulding hole 18 is formed near the axle 5 of spool 3 and with the external margin 6A of described projection 6 and maintains a certain distance.Like this, compare with near the situation demoulding hole 18 is formed on the external margin of described projection 6, because sleeve shaft 5 and/or projection 6 place between demoulding hole 18 and coil 2 inboards, therefore, distance or path between demoulding hole 18 and coil 2 inboards are longer.Thereby even water, oil or similar substance can enter in the demoulding hole 18, but the possibility that enters coil 2 inside is still very little.
In addition, owing to be provided with the bump bonds part 12 that can engage, therefore can make projection 6 engage relatively firmly with resin bed with the resin bed on being formed on projection 6.
In addition, even water, oil or similar substance can enter in the demoulding hole 18, but since diametrically opposed in demoulding hole 18 more outside positions or diametrically a position between demoulding hole 18 and coil 2 an annular protrusion bonding part 12 is set and makes described annular protrusion bonding part 12 whole circumference surround described demoulding hole 18 along described projection 6, so can prevent sealing, oil or similar substance by described projection 6 external margin enter the inside of coil 2.Thereby, improved anti-seepage effect.
In addition and since in the demoulding hole 18 filling sealant 19, therefore also can avoid water, oil or similar substance to enter in the demoulding hole 18.In the prior art, enter for anti-sealing, oil or similar substance among the bonding part A of dish 105 in the molded coil 100 and molded element 106, have on the whole excircle of described dish 105, all apply charges, therefore need a large amount of sealant, labour and time.Outside described bonding part A is exposed to and with right-angle bending.If sealant 19 is used for such ledge, the possibility that is coming off after sealant is solidifying is very large so.Therefore,, a dividing element of making by synthetic resin must be used, so also more time and labour will be needed for entering of anti-sealing, oil or similar substance.But, in the present embodiment, owing to only need filling sealant 19 in demoulding hole 18, therefore only need a spot of sealant 19 and short time and less labour.In addition, in recessed demoulding hole 18, solidify, therefore reduced the possibility that sealant 19 comes off widely owing to sealant 19 is filled in the recessed demoulding hole 18 and makes it.
The present invention is not limited in the foregoing description.For example, following embodiment is also in the protection range of the present invention that is limited by the following claim book.
(1) although in the above-described embodiments, the bump bonds part 12 that is arranged on the described projection is made of a series of projectioies,, in the present invention, it also can be made of a series of grooves.
(2) described bump bonds part 12 need not be the ring-type of sealing.For example, it also is polygonal, for example triangle or rectangle.In addition, if make described bump bonds part 12 for sealing or be ring-type, described bump bonds part 12 is positioned at outside the demoulding hole fully.
(3) the described projection 6 of described spool 3 and axle 5 need not be cylindraceous.For example, their cross sectional shape is polygon (such as triangle or rectangle) or ellipse.
(4) in the above-described embodiments, described mounting portion 9 is formed in the described projection 6 and making coil 2 with respect to model 10 location by the joint between spool support unit 11 and the mounting portion 9 when described coil 2 is set.But, also can under the situation that described mounting portion 9 is not set, described projection 6 be placed in the model 10.
(5) although in the above-described embodiments, sealant 19 is as a kind of charges, in the present invention, for example also can use a kind of stopper of being made by rubber or synthetic resin that can be installed in the described demoulding hole 18.
(6) on the axle 5 except the projection 6 that two outsides can be set, the projection at one or more middle parts also can be set on axle 5, for example can be used for coiling 4 is divided into two or more coil parts.
(7) although in the described molded coil of the foregoing description, on a projection 6, be provided with a bump bonds part 12, also can on one or more projections, be provided with two or more bump bonds parts 12.
Claims (10)
1. a molded coil (1) comprising:
A coil (2), described coil (2) has a spool (3) and line (4), described spool (3) has an axle (5) and one or more projection (6), described projection (6) protrudes with an angle that is different from 0 ° or 180 °, preferably radially protrude along axle (5) basically from the relative two ends of described axle (5), described line (4) on described axle (5), and
A molded element (17) utilizes moulding material molded and shaped, described molded element (17) so that described molded element (17) and described coil (2) become one,
It is characterized in that described molded element (17) covers described coil (2) external peripheral surface (4A) from the part of the outer surface (6B) of described two projections (6) to described coiling (4) at least substantially.
2. molded coil as claimed in claim 1, it is characterized in that, on the moulding material layer (17A) at least one described projection (6), be formed with demoulding hole (18), described demoulding hole (18) is recessed, and described demoulding hole (18) is positioned near the described axle (5) and maintains a certain distance with the external margin (6A) of at least one described projection (6).
3. molded coil as claimed in claim 1 or 2, it is characterized in that, at least one described projection (6) is provided with bump bonds part or engage grooves part (12), so that described bonding part (12) engage with described moulding material layer (17A) on being formed at least one described projection (6).
4. as any one described molded coil in the above-mentioned claim, it is characterized in that described bump bonds part or engage grooves part (12) are closed circular so that described bonding part (12) surround described demoulding hole (18) along the whole circumference of at least one described projection (6).
5. as any one described molded coil in the claim 2 to 4, it is characterized in that, utilize a kind of charges (19) filling described demoulding hole (18).
6. as any one described molded coil in the above-mentioned claim, it is characterized in that described molded element (17) covers the part of described axle (5) at least, preferably surrounds whole winding (2).
7. method that is used to produce molded coil (1), this method comprises the following steps:
A coil (2) is placed in the model (10), described coil (2) is to form by winding the line on the axle (5) of a spool (3), described spool (3) has one or more projections (6), described projection (6) protrudes from the two ends of described axle (5) with an angle that is different from 0 ° or 180 °, and described projection (6) preferably radially protrudes from the relative two ends of described axle (5) along described axle (5);
Utilization is supported described spool (3) from the projecting inward spool support unit (11) of described model (10), thereby defines a moulding material chamber (13) between at least one described projection (6) and the corresponding surface of described model (10);
Moulding material is filled in the described moulding material chamber (13) that is limited in the described model (10) at least; And
Make described moulding material sclerosis.
8. method as claimed in claim 7 is characterized in that, also comprises following step:
Go up a formation moulding material layer (17A) at a described projection (6), and demoulding hole (18), the most handy a kind of charges (19) filling described demoulding hole (18) are set on this material layer by the described spool support unit (11) that is positioned at there.
9. a model (10), can produce a kind of molded coil (1) by a coil (2) being placed described model (10) and moulding material being filled to model (10), described coil (2) is to form by winding the line on the axle (5) of a spool (3), described spool (3) has one or more projections (6), described projection (6) protrudes with an angle that is different from 0 ° or 180 °, described projection (6) preferably radially protrudes from the opposite end of described axle (5) along axle (5), described model (10) comprising: the spool support unit (11) that supports described spool (3) from projecting inward being used to of described model (10), wherein, when described coil (2) is placed described model (10), described spool support unit (11) can support described spool (3), thereby define a moulding material chamber (13) between at least one described projection (6) and the corresponding surface of described model (10), described moulding material flows in described moulding material chamber (13).
10. model as claimed in claim 9, it is characterized in that, the size of described spool support unit (11) and position are arranged so that a moulding material layer (17A) that is formed at least one described projection (6) is provided with demoulding hole (18), and the shape in described moulding material chamber (13) makes bump bonds part of at least one described projection (6) or engage grooves part (12) engage with a moulding material layer (17A) at least one described projection (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99109809 CN1241790A (en) | 1998-07-15 | 1999-07-14 | Molded coil method and mold for producing the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200568/1998 | 1998-07-15 | ||
| CN 99109809 CN1241790A (en) | 1998-07-15 | 1999-07-14 | Molded coil method and mold for producing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1241790A true CN1241790A (en) | 2000-01-19 |
Family
ID=5274164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99109809 Pending CN1241790A (en) | 1998-07-15 | 1999-07-14 | Molded coil method and mold for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1241790A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384060C (en) * | 2004-08-24 | 2008-04-23 | 日立工机株式会社 | Electric motor, electric tool having the motor, and electric motor production method |
| CN104376953A (en) * | 2013-08-12 | 2015-02-25 | 广州市力琪金属制品有限公司 | Improved electromagnetic coil of novel assembly structure |
| CN104455637A (en) * | 2013-09-13 | 2015-03-25 | 株式会社不二工机 | Stator unit |
| CN105993054A (en) * | 2014-02-06 | 2016-10-05 | 株式会社日立制作所 | Superconductor coil |
| CN107112128A (en) * | 2014-10-01 | 2017-08-29 | 泰恩河畔纽卡斯尔大学 | Method and system for manufacturing collapse coil |
-
1999
- 1999-07-14 CN CN 99109809 patent/CN1241790A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384060C (en) * | 2004-08-24 | 2008-04-23 | 日立工机株式会社 | Electric motor, electric tool having the motor, and electric motor production method |
| CN104376953A (en) * | 2013-08-12 | 2015-02-25 | 广州市力琪金属制品有限公司 | Improved electromagnetic coil of novel assembly structure |
| CN104455637A (en) * | 2013-09-13 | 2015-03-25 | 株式会社不二工机 | Stator unit |
| CN104455637B (en) * | 2013-09-13 | 2018-10-09 | 株式会社不二工机 | Stator unit |
| CN105993054A (en) * | 2014-02-06 | 2016-10-05 | 株式会社日立制作所 | Superconductor coil |
| CN107112128A (en) * | 2014-10-01 | 2017-08-29 | 泰恩河畔纽卡斯尔大学 | Method and system for manufacturing collapse coil |
| CN107112128B (en) * | 2014-10-01 | 2019-08-09 | 泰恩河畔纽卡斯尔大学 | For manufacturing the method and system of collapse coil |
| US10855152B2 (en) | 2014-10-01 | 2020-12-01 | Advanced Electric Machines Group Limited | Method and system for manufacture of a compressed coil |
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