CN1044006A - The improvement of lamination - Google Patents
The improvement of lamination Download PDFInfo
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- CN1044006A CN1044006A CN 89109542 CN89109542A CN1044006A CN 1044006 A CN1044006 A CN 1044006A CN 89109542 CN89109542 CN 89109542 CN 89109542 A CN89109542 A CN 89109542A CN 1044006 A CN1044006 A CN 1044006A
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Abstract
Stack of laminations and make transformer as described or the assembly method of the core lamination stack group of the calutron of motor.First and second groups of the lamination of interworking (12,14) have the structure of working in coordination that relatively freely is combined together and constructs (16) and protuberance (18) just like dovetail.Preferably the lamination of every group of adjacency attaches mutually.First and second stack of laminations (12,14) are as being clamped together securely in the Mechanical Contact mode on assembly fixture.Structure (18) distortion on one or two of lamination joins the structure (16) of another lamination to, and first and second stack of laminations are clamped together.In alternative forms, first and second stack of laminations are clamped together.
Description
The present invention relates to improve the lamination of the iron core that constitutes calutron, the stack of laminations of said lamination and said stack of laminations form assembly method unshakable in one's determination.
Calutron, as transformer and motor, has the iron core of forming by each lamination, this iron core can have the tinkertoy module of butt joint, the form of the tinkertoy module that replaces or so-called " Unilam " tinkertoy module (referring to British patent GB-A-1466878,1466879 and 146680).Known the whole bag of tricks is clamped together lamination to make the iron core of calutron.Their useful bolts connect together, and have to weld together, and have to adhere to each other, and have and put in the holder.But all these methods all are expensive, because they contain additional parts and/or have increased required time of assembly manipulation unshakable in one's determination and number of times.
Proposed to have the thin plate lamination of otch in United States Patent (USP) (US-A-4594295) specification, this lamination is for fear of the transformer noise when the high capacity/temperature operating state and can be force-fitted in together.One of such lamination has narrow protuberance, the recess interference fit of this protuberance and its interworking lamination correspondence.But to resist this assembling be intrinsic to the part of interworking in the interference fit fit, and caused incomplete Mechanical Contact has increased device between any assembled portion magnetic resistance and corresponding efficient reduce.In addition, said United States Patent (USP) not with interference fit as unique mode that lamination is clipped together, also come the fastening lamination with welding manner conventional in the prior art.In the specification of DRP (DE-A-2744711,3008598 and 3008599), interference fit has been described also.Describe in our European patent (EP-A-0028494) specification and require and use the F shape lamination with protuberance and recess in the heart in transformer fe, this protuberance and recess will be subjected to interference fit or serve as elastic clip.In the form of back, the restoring force of lamination side arm is clamped to nestle up mutually and is formed overlapping center arm unshakable in one's determination, so that the frictional resistance that parts are separated to be provided.
The object of the invention provides a kind of lamination new construction that is used for calutron, has MIN loss when making lamination simply and cheaply be assembled together under small number of operations and to use.
Further purpose of the present invention provides a kind of new construction of lamination, and this lamination cuts from thin plate not to be had waste material basically and do not resist the overlapping part of scattering with friction.
On the one hand, the invention provides the stacked wafer moudle that is used for calutron and comprise first and second groups of laminations of the interworking that is combined together and the flexible or permanent deformable segment that first and second groups of laminations are clipped together, this part is with the edges abut of flexible deformable segment but not overlap be condition.
First group freely is combined together relatively with second group in form, and this part is clipped together these groups by permanent deformation.
Freely assemble lamination easily makes them keep the favorable mechanical contact till deformable segment is clipped together stack of laminations mechanically distortion together together and by outside clamping force.
The stacked wafer moudle that the present invention also is provided for calutron comprises: first and second groups of laminations of the interworking that is combined together and the flexible or permanent deformable portion that first and second groups of laminations are clipped together, first and second groups of laminations occur in couples, the mutual socket of their outer contour and can not have cutting from thin plate of waste material substantially.
Further again situation the invention provides the method for assembling the calutron lamination, comprising:
The lamination that freely is combined together relatively and first and second groups of interworkings of the structure that cooperatively interacts are arranged is provided;
Mode with Mechanical Contact is clamped together first and second groups of laminations reliably; With
Said structural deformation on one or two of lamination sticks the structure that other lamination cooperatively interacts, to clamp first and second groups of laminations together.
The working in coordination of first and second groups of laminations can cause friction grip power when being configured in a deformability structure in them to their another indeformable structural deformation simply, but such profile is preferably arranged, so that said structural deformation mechanically first and second groups of fastenings together.At latter event, the structure of working in coordination of first and second groups of laminations is favourable dovetail or other profile, so that said structural deformation is clipped together first and second groups of laminations reliably.Dovetail forms on indeformable base structure expediently, and can form on deformable ear columnar structure.
Preferably provided freely by matched in clearance and work in coordination, work in coordination but also can be provided by interference fits, the line contact between parts convex and spill provides little resistance to assembling.The stacked assembling of lamination is fitted over little that together any necessary available clamping force of force rate should be relative.
In addition, if the parts of convex and spill are tight interference fits, the feature of product first group and second group of lamination during near the decline of the stroke of adjoining position fully such as the minimizing of resistance allow.
Aspect more specifically, the invention provides be used for calutron by the stacked wafer moudle that the lamination fastening of first and second groups of interworkings is formed together, wherein:
A) lamination of each group has the convergence face that separates each other; With
B) lamination of each group have separate each other be used on the convergence face that is contained in clamping lugs and when said is out of shape or bending the time mechanically is stuck first and second groups of laminations nonelasticly.
The present invention further provides the stack of laminations of using in calutron, the promising convergence face that separates each other that affords interworking group lamination protuberance of said lamination is stuck stack of laminations when to said facial disfigurement.
The present invention further provides the stack of laminations of in calutron, using, the clamping lugs that separates each other that said lamination has the convergence face of pair interworking stack of laminations to cooperate, and mechanically lamination is blocked together during to said facial disfigurement.
Above-mentioned assembly method can be used the lamination that unclamps and the lamination sheets of torsional flexibility.Like this, the E shape stack of laminations of rigidity can be assembled to I shape stack of laminations, and this I shape stack of laminations is flexible, as clamping complete lamination by single bolt.I shape lamination has any irregular E shape lamination of this flexible easy adaptation, and the contacting of machinery that obtains and magnetic.In the present invention E shape lamination and I shape lamination are used two or more bolt.
Further, the invention provides the lamination that is used for calutron has in order to bear the convergence face that separates each other of interworking lamination protuberance, when to said facial disfigurement lamination is blocked together.
On the other hand, the invention provides the clamping lugs that separates each other that the lamination that is used for calutron has pair interworking lamination convergence face to cooperate, and when to said facial disfigurement, lamination is mechanically blocked together.
The stacked wafer moudle that the present invention further is provided for calutron comprises: the lamination of first and second groups of interworkings cooperates and be stuck flexible of first and second groups of laminations of handlebar or deformable segment for good and all, have one of in the stack of laminations in abutting connection with structure, on another group lamination part, cause reaction force when this structure clamps, and prevent the said part permanent deformation of said another group at least in part.
The alternative form of the present invention's first and second stack of laminations be resilient clamp together.In this form, the side column of one of stack of laminations can be to internal strain when being clamped together, but preferably outwards distortion, so that transformer core is in constant compression when being clamped together for first and second groups on the center pillar of said one group of lamination.
Various forms of the present invention will be described with reference to the mode of accompanying drawing by embodiment, wherein:
Fig. 1 a is the front view of transformer member before the assembling, and Fig. 1 b, 1c and 1d are respectively one group of I shape lamination center cross-sectional figure, and the cross section unshakable in one's determination and the end-view of one group of E shape lamination all come across Fig. 1 with component form;
Fig. 2 a is the transformer front view that assembles from member as shown in Figure 1, Fig. 2 b is before the I shape of transformer core and E shape lamination are docking together, at the enlarged detail on the limit at its contact-making surface place, Fig. 2 c and Fig. 2 d are the end-views of transformer, represent alternative core construction;
Fig. 3 is the transformer front view when assembling;
Fig. 4 a, 4b and 4c are after finishing butt joint I shape and E shape lamination, and the enlarged detail on a limit of the transformer core at contact-making surface place is represented available otch profile;
Fig. 5 a, 5b and 5c are limit enlarged details at transformer core contact-making surface place between I shape and E shape lamination, and different otch angle and crimp cutter profile are used in expression;
Fig. 6 a to 6e is according to front view under the representational stacked wafer moudle of multiple transformer of the present invention and the assembling of anti-current device;
Fig. 7 is the diagram elevation unshakable in one's determination of the shaded pole motor that assembled according to the present invention;
Fig. 8 a and 8b are the facing and end view of I shape and the alternately laminated assembly of E shape lamination according to the present invention, and Fig. 8 c is the view that forms I shape and E shape lamination by stacked group that replaces;
Fig. 9 and Figure 10 are the front views of transformer lamination, represent alternative butt joint;
Figure 11,11a and 12,12a represent to be used for the alternative otch and the protuberance profile detail drawing of Fig. 9 and Figure 10 lamination;
Figure 13 and 13a represent the further detail drawing of otch and protuberance profile;
Figure 14 and 14a represent to be used for the detail drawing of the further protuberance profile of dovetail otch; With
Figure 15 a to 15c is the front view of E shape and I deformation depressor lamination, the method detail drawing of expression further form assembling lamination according to the present invention, and Figure 15 d represents the alternative profile detail drawing for interlocking formation;
Figure 16 is the front view of E shape and I deformation depressor lamination part, the formation of expression air gap;
Figure 17 and 18 is facing and enlarged detail of E shape and the further form of I deformation depressor lamination, the assembly method of expression further form according to the present invention; With
Figure 19 a to 19c is the further form front view of E shape and I deformation depressor lamination, represents its assembly method.
In Fig. 1 a and Fig. 1 b, 1c and 1d, transformer 10 windings 11 and the iron core that assembles up by E shape stack of laminations 12 and I shape stack of laminations 14.The lamination of E shape stack of laminations is clamped together by the button (Spigot and Socket fasteners) of the socket and spigot joint formula of a pair of drawing.E shape stack of laminations 12 top outer rims have dovetail structure 16, and I shape stack of laminations 14 has indeformable protuberance or lug 18.Dovetail structure 16 and lug 18 are shaped on lamination separately when punching press or pressure processing on demand.The profile of the size of protuberance or length and width and dovetail groove and size depend on fully size, weight and the stacked group length of the transformer of wanting assembling.For assembling transformer, E shape stack of laminations 12 is placed in the assembly fixture, and winding 11 is placed on the center pillar of E shape lamination, and I shape stack of laminations places on the E shape lamination in the mode of loose fit.Applying clamping force F so that stack of laminations 12,14 has good Mechanical Contact, is that distortion is to help this when flexible as I shape group.The interruption of magnetic flux path on the iron core that has assembled has been avoided in the favorable mechanical contact, has therefore also avoided the reduction of efficient.
To internal strain D(Fig. 2 b) produce by impacting (impact), as on the ear 18 suitably the finger piece of profile be positioned in the dovetail structure and E shape and I shape stack of laminations mechanically be fixed tightly in together.Because dovetail structure, metamorphosis also haul I shape and lean against securely for stacked group 14 on stacked group 12 of the E shape.Because the connection between the stack of laminations 12 and 14 is enough firm and durable, so unnecessary otherwise connection more also can be used if desired by the mode that bonds or other traditional handle component is clipped together.The transformer that has assembled is shown in Fig. 2 a and 2c.
Above-mentioned structure of giving closed assembly crimp transformer lamination has many advantages between erecting stage.Do not need welding, closed assembly or selector " the dock stacked group " machine of (" butt stack "), and assembling can be a large amount of, realize cheaply.Basically do not have, by crooked or damage the lamination waste material that has become flexible, the imbalance of also not getting the raw materials ready simultaneously also must scrap as making owing to scrapping of I shape lamination with the E shape lamination of its interworking.The control of product is easy, can dismantle for stacked group, crimp again if desired, but the assembling of welding lamination if defective can not take apart and ressemble.Traditional welding and grip when operation, the lamination of pine may tilt, make seam to positive variation, this can influence the electric property of stack of laminations.The adjacent laminates of giving closed assembly is located by connecting with good seam with I shape lamination is vertical mutually by the E shape that bolt or similar articles connect, and (British patent (GB-A-2206453) specification as us was described when especially wherein stacked group of I shape had single pilot pin and is the distortion flexibility.
A kind of variation of E shape lamination (25) (Fig. 2 d), this lamination is loose, is not adhered to one another in the stack of laminations, but is clipped together by the locating structure 26 of coil 11.Lamination 25 links to each other with aforesaid one group of I shape lamination 27.E shape lamination also can be the stack of laminations of being clipped together by one or more impact bolt (impingment peg).
All otch of expression and lug in Fig. 4 a-4c.In Fig. 4 a, otch 16 is that flat dovetail and lug 18a put in the part dovetail, as more than half slightly along the dovetail face.In Fig. 4 b, the dovetail surface of otch 16b is a tangent bend, and in Fig. 4 c, otch 16c also is angled, its lower surface is not to be parallel to the end face of E shape lamination 12 but outward-dipping, and lug 18 c put in whole cut sides basically along the dovetail otch substantially.
In Fig. 5 a, cutter 32 has a flat incline plane 34.The collision of cutter 32 on lug 18 makes lug to internal strain, and causes that it has elongation slightly in direction as shown in arrow 36.Angle between the end face vertical line 38 of the working face of dovetail otch 16 and E shape lamination 12 is advantageously greater than about 5 ° of angles, and for stack of laminations 12 and 14 is connected securely other value can be arranged.Can be with being greater than or less than 5 ° of angles, under any circumstance, the size and the weight of the core construction of wanting is depended in the selection at angle.All the other are similar to the structure of Fig. 5 b except that the end face 34a of cutter 32a is as shown in the figure rib shape.In Fig. 5 c, cutter 32b has the oblique angle of increase along the component effect of otch 16, and has one for crimp fully be squeezed in convexly curved end face 36b on the lug 18.
In Fig. 6, represent all possible profiles unshakable in one's determination.In Fig. 6 a, expression anti-current device iron core, this iron core has a pair of E shape lamination 40 that has air gap between center pillar 44.Fig. 6 b represents the another kind of anti-current device iron core that formed by U-shaped lamination 46 and T shape lamination 48.In Fig. 6 c, the third anti-current device iron core that forms by E shape lamination 50 and I shape lamination 52.Fig. 6 d represents the transformer core that formed by a pair of F shape lamination 54.In this structure, one of them lamination 54 has otch or groove 56, and another lamination 54 has the ear shape shape thing 58 of clamping.Fig. 6 e represents another transformer core of being formed by U-shaped lamination 60 and T shape lamination 62.In this structure, the inclined plane on T shape lamination 62 is contained in the clamping lug 66 on the U-shaped lamination 60.
Among Fig. 7, be illustrated in the such shaded pole motor structure of rotor rotated in the stator of determining by U-shaped lamination 72 70.Utmost point bobbin 74 on stack of laminations 76 is linked to each other with groove by aforesaid clamping lug.
In Fig. 8 a-8c, alternately laminated group installation of expression E shape and I shape lamination 80,81.Seen at Fig. 8 c, the line of cut on the blank sheet metal is enclosed within I shape lamination 81 E shape lamination the inside and can have cutting from thin plate of waste material substantially by advanced person's forming tool.Form on the limit of E shape lamination 80 and have half general garden connected in star 82, as seen at Fig. 8 b, lug alternately is in the same place with groove 16,18 in alternately stacked group of assembling.The end 18a of lug 18 bending projectedly produces corresponding crooked groove on E shape lamination 18.Reduce to minimum with influence and select curved shape the transformer core magnetic flux path that assembles.I shape lamination 81 and E shape lamination 80 have the joint 83,85 of socket and spigot joint formula, and size and other parameter of making iron core depended in the decision of its quantity and position.
In Fig. 9, I shape lamination 90 cooperates E shape lamination 92 to form transformer core.I shape lamination 90 has the otch 98 on the end face of the protrusion of its end 96 inside slight deflection or lug 94 and E shape lamination 92 to match.Use in the outer end of the otch 98 shown in the arrow 100 above-mentioned crimp cutter to sub-assembly to concave edge.The E shape lamination 102 that " Unilam " sections heart among Figure 10 has lengthening side column 104 holds an I shape lamination 106 that has shortened.E shape lamination 102 has groove 103 on the inner face of its lengthening side column 104, groove 108 is arranged on the end face of another side column, and they are contained in corresponding ridge or lug on the I shape lamination 106.Should notice that groove 103,108 and necessary crimp cutter corresponding action are normally mutually perpendicular shown in arrow 110,112.
Being illustrated on Figure 11,11a and 12, the 12a corresponding to the detail drawing of possible groove before its distortion and after the distortion and lug structure respectively of I shape and E shape lamination.In Figure 11 a, dovetail face 111 is in the outside formation of the deformability of groove 98, and in Figure 12 a, it is formed at 114 on the outer surface of lug 94.
Many advantages of above-mentioned as can be seen fasteners system.It can assemble unshakable in one's determination according to calutron soon and cheaply.Lamination can almost not have being made of waste material.Can use lamination assembling transformer and the stacked laminations transformer of pine or have part layer superimposition part fit pine or laminate transformer alternate with each other.According to the iron core that has assembled of the present invention, test shows that its efficient is substantially with the unshakable in one's determination identical of tradition assembling or only hang down a bit slightly.
Figure 13 and 13a represent the further profile of spendable groove and lug when the high confining force of needs.One group of lamination has the lug 120 of raised side 122, and these raised side 122 recesses 124 deformable and on another group lamination 126 contact.Raised side 122 initial with lamination 126 to pass through face 125 gapped, then mechanically be out of shape to be stuck.
Figure 14 and 14a represent that one group of lamination has the otch profile of the lug 130 of garden end 132.From the profile of these lugs of viewpoint that stack of laminations is clamped together is effectively, and can a large amount of processing of enough better simply cutters and reduce tool wear at production period.
In Figure 15 a-15c, stacked group of dovetail structure 138 and the lug 140 that interworking is arranged of stacked group of E shape of lamination 134 and I shape lamination 136.Garden end 142 or other cam profile end form on lug 140.Lug 140 has and the close or slightly little angle of dovetail structure.Cross dovetail and construct the distance at 138 tops generally than the big 0.5mm in gap between lug 138 inner surfaces, although this size may depend on lamination size and material fully.If pressure F puts between stacked group 136 and 138, tinkertoy module can be clamped together like this.Stacked group 136 not deflection of I shape, but the pillar of stacked group 134 of E shape is not having to be enough to allow two stacked group to be stuck under the situation of permanent deformation.It is close that the size of power F and front embodiment make lug clamp required power, and I shape and the E shape lamination electric property that enough closely is docking together and meets the demands to provide.Dovetail structure 138 form have than the interior turning 144 of lug 140 more long radius turning 142 or make and have the inclination turning so that enter the butt joint that not have conflict for stacked group 134,136.Adopt such manner of formulation, stacked group effectively docks the harm that does not have tool wear in the production.In the situation (Figure 15 d) that has changed, from the profile angle, lug 140a has the spheric end of increase and the lead-in surface of being determined by dovetail structure 138a 139, and this face 139 is pulled to a time-out at stacked group 134,138, and to drive stacked group 134 side column inside.
As shown in figure 16,, make the stack of laminations of lamination as the thick material of 0.2-0.5mm having relatively long shaft or using forr a short time than 0.5mm thickness, when crimp because the deflection of side column and may become problem.If side column deflection during the crimp in Figure 16 shown in the arrow 150 can form air gap 151 so between the center pillar 152 of stacked group 12 of E shape and stacked group of edge 14 of I shape.The formation of air gap 151, except that at the steady transformer of the anti-current that needs air gap and, can cause the deterioration of transformer electric property.For transformer, wish to prevent the generation of the air gap of post therein, provide to prevent that stacked group of side column of E shape is to enterolithic mode (Figure 17 and 18).These modes can comprise: the kick 154 on the lamination of stacked group 14 of some or all of I shape, the termination that lamination 154 and I shape are stacked group 14 near facing to but separate.When I shape stack of laminations 14 was placed on the E shape stack of laminations 12, the side column of E shape stack of laminations 12 cooperated between their corresponding projections 154 and lug 18.When lug or protuberance 18 were entered dovetail 16 by crimp, kick 154 stoped the deflection of side column under crimp pressure of E shape stack of laminations, and has just prevented also that subsequently undesirable air gap from producing.
Figure 19 a-19c represents further form of the present invention, and here I shape stack of laminations 150 and E shape stack of laminations 162 are clamped together by the side column 164 flexible outside distortion of E shape lamination.Side column 164 constructs 166 at the joggle that interior seamed edge end formation has shown in Figure 16 d, and I shape stack of laminations constructs 168 from the formation of end shown in it interval, outside tenon.As the lug 168 of I shape stack of laminations and pillar 164(Figure 19 b of E shape stack of laminations) when contacting, pillar 164 outwardly-bent as shown by arrows with allow I shape stack of laminations lug 168 by and nestle the dovetail or the joggle 166 of E shape stack of laminations.When I shape stack of laminations 160 was docked with E shape stack of laminations 162, pillar 164 loosened link closely the securely lug 168 of I shape stack of laminations of no any permanent deformation, and with its dovetail shape securely clamping facing to the I shape stack of laminations (Figure 19 c) of E shape stack of laminations interface.
Claims (20)
1, a kind of stacked wafer moudle that is used for calutron, comprise: the lamination of the first and second stack of laminations interworkings is combined together and by resilient or permanent deformation grip together, when this part by resilient deformation grip together the time, not overlapping with first and second groups edge butt joint is condition.
2, according to the stacked wafer moudle of claim 1, wherein first and second stack of laminations are selected from comprising in E shape lamination, U-shaped lamination, I shape lamination, F shape lamination and the motor lamination class.
3, according to the stacked wafer moudle of claim 1 or 2, wherein the adjacent lamination fastening of first and second stack of laminations together.
4, according to the stacked wafer moudle of claim 3, wherein one of stack of laminations has distortion flexible at least.
5, according to the stacked wafer moudle of above-mentioned any one claim, wherein first and second stack of laminations have the structure of working in coordination, and the profile of this structure is impelled first and second groups of laminations together effectively.
6, according to the stacked wafer moudle of above-mentioned any one claim, wherein first and second stack of laminations are clamped together by the structure of working in coordination, on the relative edge of group or towards the relative edge of group and the structure that cooperatively interacts in the adjacent flat setting of these set of contact.
7, according to the stacked wafer moudle of above-mentioned any one claim, wherein first stack of laminations is formed with the structure of dovetail, and the joggle structure of this structure and second stack of laminations blocks mutually.
8, according to the stacked wafer moudle of claim 7, wherein the convergence face of the joggle of second stack of laminations structure becomes 5 ° angle at least with the limit of stack of laminations.
9, according to the stacked wafer moudle of above-mentioned any one claim, wherein first and second stack of laminations are clamped together by permanent deformation.
10, according to claim 7,8 or 9 stacked wafer moudle, wherein first group dovetail structure is crooked to second group joggle structure.
11, according to the stacked wafer moudle of claim 10, wherein second stack of laminations has the part of outside, first group the butt joint structure that this part contact is adjacent, the inside distortion of part of this first group outside when being used for being limited in bending.
12, according to any one the stacked wafer moudle of claim 1-8, wherein first and second laminations are clamped together by strain.
13, according to the stacked wafer moudle of claim 12, wherein first of lamination group of formation has the dovetail structure, the joggle structure of this structure and second group is stuck mutually, dovetail and joggle are configured with the importing shape, and it helps to make the distortion of second group lateral parts when first and second stack of laminations are clipped together.
14, according to the stacked wafer moudle of claim 12 or 13, wherein first and second of lamination groups of arrangements have the lateral parts that produces second group when clipping together for first and second groups to enterolithic structure.
15, according to the stacked wafer moudle of claim 12 or 13, wherein first and second of lamination groups of arrangements have the lateral parts of second stack of laminations when clipping together for first and second groups to produce outside deformed configurations.
16, a kind of assembly method of stack of laminations of calutron comprises: provide first and second stack of laminations of interworking lamination relatively freely to be combined together;
First and second groups of modes with Mechanical Contact of lamination are clamped together securely; With
The permanent deformation of one of stack of laminations is clamped together first and second groups.
17, a kind of assembly method of calutron stack of laminations comprises: first and second groups of lamination are provided, and they are combined together and have the structure of interworking; With
First and second groups lamination are packed together, so that the structure of interworking in the mode of Mechanical Contact, blocks first and second groups of laminations mutually securely and is clamped together.
18, the lamination that is used for calutron has the interval convergence face of the deformability ridge that holds the interworking lamination, and when interworking lamination during to said facial disfigurement, lamination blocks together.
19, the lamination that the is used for calutron interval clamping ridge that has the lamination convergence face of pair interworking to cooperate said lamination mechanically is clamped together.
20, transformer, anti-current device or motor have at one of claim 1-15 and require or by the stacked wafer moudle of the method manufacturing of claim 16 or 17.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888830408A GB8830408D0 (en) | 1988-07-27 | 1988-12-30 | Improvements in laminations |
| GB8830408.4 | 1988-12-30 | ||
| GB8917025A GB2222030B (en) | 1988-07-27 | 1989-07-25 | Improvements in laminations |
| GB8917025.2 | 1989-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1044006A true CN1044006A (en) | 1990-07-18 |
| CN1027777C CN1027777C (en) | 1995-03-01 |
Family
ID=26294792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89109542 Expired - Fee Related CN1027777C (en) | 1988-12-30 | 1989-11-30 | Improvements in laminations |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1027777C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594070A (en) * | 2012-03-30 | 2012-07-18 | 陈奚平 | Self-coupling type permanent magnet doubly salient motor |
| CN103247409A (en) * | 2013-05-15 | 2013-08-14 | 艾通电磁技术（昆山）有限公司 | Electromagnetic pipe buckling structure |
| CN104376985A (en) * | 2014-12-12 | 2015-02-25 | 绵阳市容富电子科技有限公司 | Network transformer |
| CN108666122A (en) * | 2018-03-16 | 2018-10-16 | 镇江宏联电工有限公司 | A kind of transformer core tinertoy piece riveting method |
| CN112439838A (en) * | 2019-09-05 | 2021-03-05 | 南京瀚孚机械有限公司 | Pen type iron core die with adjustable roundness |
-
1989
- 1989-11-30 CN CN 89109542 patent/CN1027777C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594070A (en) * | 2012-03-30 | 2012-07-18 | 陈奚平 | Self-coupling type permanent magnet doubly salient motor |
| CN102594070B (en) * | 2012-03-30 | 2014-08-13 | 陈奚平 | Self-coupling type permanent magnet doubly salient motor |
| CN103247409A (en) * | 2013-05-15 | 2013-08-14 | 艾通电磁技术（昆山）有限公司 | Electromagnetic pipe buckling structure |
| CN104376985A (en) * | 2014-12-12 | 2015-02-25 | 绵阳市容富电子科技有限公司 | Network transformer |
| CN108666122A (en) * | 2018-03-16 | 2018-10-16 | 镇江宏联电工有限公司 | A kind of transformer core tinertoy piece riveting method |
| CN112439838A (en) * | 2019-09-05 | 2021-03-05 | 南京瀚孚机械有限公司 | Pen type iron core die with adjustable roundness |
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| Publication number | Publication date |
|---|---|
| CN1027777C (en) | 1995-03-01 |
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