CA2167812A1 - Coil former and electric coil wound thereon - Google Patents
Coil former and electric coil wound thereonInfo
- Publication number
- CA2167812A1 CA2167812A1 CA002167812A CA2167812A CA2167812A1 CA 2167812 A1 CA2167812 A1 CA 2167812A1 CA 002167812 A CA002167812 A CA 002167812A CA 2167812 A CA2167812 A CA 2167812A CA 2167812 A1 CA2167812 A1 CA 2167812A1
- Authority
- CA
- Canada
- Prior art keywords
- coil body
- upper flange
- core
- coil
- receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004804 winding Methods 0.000 claims abstract description 20
- 238000005476 soldering Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 239000000654 additive Substances 0.000 claims 1
- 229920006305 unsaturated polyester Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/041—Means for preventing rotation or displacement of the core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/098—Mandrels; Formers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Of Coils (AREA)
- Manufacture Of Motors, Generators (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The stability of a coil body for automatic coil winding, especially an RM coil body, consisting of a cylindrical winding body (103), a lower flange (104), provided with lateral projections (111) that form wire guide slots (112) and support soldering tabs (113), and an upper flange (105) with means for receiving and entraining coil body (101) on automatic winders, with coil body (101) being provided for use with a bipartite core (102) which surrounds coil body (101) jacketwise over its height and is held together by an elastic clamping arrangement (109), said core being shaped so that lateral projections (111) of lower flange (104) and the means of upper flange (105) for receiving and entraining coil body (101) are located outside core (102), can be improved in the vicinity of upper flange (105) in such fashion that upper flange (105) is made solid without recesses (10), and that the means for receiving and entraining coil body (101) on automatic winders are formed.
by ribs (110) provided on the top of upper flange (105), said ribs delimiting a receiving space that is open radially outward. Although upper flange (105) no longer has any recesses, the handling advantages on automatic winders are preserved by ribs (110). Upper flange (105) can be made with a greater thickness without enlarging surrounding core (102), with clamping arrangement (109) holding together not only core halves (106, 107) but also pressing with its lateral projections (116, 117) on the top of upper flange (105) of coil body (101).
by ribs (110) provided on the top of upper flange (105), said ribs delimiting a receiving space that is open radially outward. Although upper flange (105) no longer has any recesses, the handling advantages on automatic winders are preserved by ribs (110). Upper flange (105) can be made with a greater thickness without enlarging surrounding core (102), with clamping arrangement (109) holding together not only core halves (106, 107) but also pressing with its lateral projections (116, 117) on the top of upper flange (105) of coil body (101).
Description
Coil Body and Electrical Coil Created Therewith The invention relates to a coil body for automatic coil winding, especially RM coil bodies, composed of a cylindrical winding body, a lower flange provided with lateral projections forming wire guide slots and bearing soldering tabs, and an upper flange having means for receiving and entraining the coil body on automatic winders, with the coil body being provided for use with a bipartite core, said core surrounding the coil body over its height jacketwise, and held together by an elastic clamping arrangement, said core being shaped so that the lateral projections of the lower flange and the means on the upper flange for receiving and entraining the coil body are located outside the core.
The invention likewise relates to an electrical coil with a coil body of the species recited above, a core surrounding the coil body heightwise, bipartite, and divided in a horizontal plane, which covers the upper flange of the coil body only partially, an elastic clamping arrangement that holds the core together, and an elastic tolerance adjusting element for securing the coil body in the receiving area formed by the core.
Known coil bodies of the species recited above are manufactured from phenolic resin or, for some time now, also from modified unsaturated polyester resins (see DE 42 20 287 A1). Replacement of the previously conventional phenolic resin by a modified UP resin results in a coil body that is more temperature resistant, and can withstand even higher soldering temperatures while retaining its dimensions. A
disadvantage of the UP coil body is its reduced stability, which can be compensated in the vicinity of the lower flange by a special structural design according to DE 42 20 287 A1.
The known coil bodies are known especially in the embodiment of an "RM coil body" whose dimensions are specified in DIN
Standard 41981. The known coil bodies regularly have in the upper flange a V- or U-shaped recess, in other words one that is open radially outward, into which a suitably-shaped matching part of the automatic winder can engage in order to entrain and position the coil body in the automatic winder.
This coil body design which has existed for many years has proven itself in practice. However for some time there has been a wish to improve the stability, especially of the upper flange. A sturdier design of the upper flange, which is obvious of itself, is opposed by the standardized dimensions of the coil body on the one hand and the undesirable reduction of the winding space on the other.
The known winding bodies are used together with jacket cores which are made bipartite and have an impact plane located centrally with respect to the coil body and parallel to the flanges. The core surrounds the coil body jacketwise over its height, and therefore fits around the top and bottom of the coil body as well two opposite parts of the jacket surfaces over its width. The core is designed so that the lateral projections on the lower flange are not covered by the core laterally externally heightwise owing to the sections of the upper flange. Since the core surrounds the coil body jacketwise over its height, it forms a rigid receiving space for the coil body. Since manufacturing tolerances influence the relative size of coil bodies with respect to the receiving space of the core, the receiving space of the core is manufactured with a slight excess, and an elastic tolerance compensating disk on the upper flange of the coil body is installed before the core is closed by means of an elastic clamping arrangement composed of two lateral clamps. The elastic tolerance compensating element holds the coil body firmly and rattle-free in the receiving space of the core.
The statement of the problem that forms the basis of the invention consists in permitting increased stability of the coil body in the vicinity of the upper flange by means that permit adherence to standard DIN 41981.
To solve this problem a coil body of the species recited at the outset is characterized according to the invention by the upper flange being made solid without any recesses and by the means for receiving and entraining the coil body on automatic winders being formed by ribs located on the top of the upper flange, said ribs delimiting a receiving space that is open radially outward.
According to the invention therefore a variation is made on the design, known for decades, for RM coil bodies to be wound fully automatically, without losing the advantages of this design with regard to its handling by automatic winders. This is accomplished by virtue of the fact that, as a means for receiving and entraining the coil body in automatic winders, a recess is no longer provided in the upper flange but ribs are provided instead on the top of the flange which can perform the same function without reducing the resistance of the upper flange to breakage, as a recess does. The invention is based on the knowledge that such a partial increase in height is possible because the ribs molded on the top of the upper flange project into a free space next to the jacket core and therefore do not adversely affect the previous design of the electrical coils, even within the framework of the DIN guideline.
Preferably, two ribs at an angle to one another delimit a V-shaped receiving area.
The increase in stability of the coil body that can be achieved according to the invention in the vicinity of the upper flange permits an expansion of the range of applications for the UP coil bodies that are advantageous for thermal reasons. However, the invention offers advantages even for the previous phenolic coil bodies that suffered no stability problems, because increasingly thicker winding wires are being used which exert a higher load on the coil body, especially on the upper flange, during the winding process.
The invention will now be described in greater detail with reference to the drawing, in which an embodiment of the coil according to the invention is contrasted with the previously used, known design.
Figure 1 is a section made heightwise through a coil according to the prior art;
Figure 2 is a top view of the coil arrangement according to Figure 1;
Figure 3 is a section made heightwise through an embodiment of a coil according to the invention, rotated through 90 with respect to Figure 1;
Figure 4 is a top view of the arrangement shown in Figure 3.
The electrical coil shown in Figures 1 and 2 according to the prior art has a coil body 1 and a ferromagnetic core 2.
Coil body 1 consists of a hollow cylindrical winding body 3 delimited at the bottom by a lower flange 4 and at the top by an upper flange 5. On the outer jacket of winding body 3, an electrical winding (not shown) is wound and flanges 4
The invention likewise relates to an electrical coil with a coil body of the species recited above, a core surrounding the coil body heightwise, bipartite, and divided in a horizontal plane, which covers the upper flange of the coil body only partially, an elastic clamping arrangement that holds the core together, and an elastic tolerance adjusting element for securing the coil body in the receiving area formed by the core.
Known coil bodies of the species recited above are manufactured from phenolic resin or, for some time now, also from modified unsaturated polyester resins (see DE 42 20 287 A1). Replacement of the previously conventional phenolic resin by a modified UP resin results in a coil body that is more temperature resistant, and can withstand even higher soldering temperatures while retaining its dimensions. A
disadvantage of the UP coil body is its reduced stability, which can be compensated in the vicinity of the lower flange by a special structural design according to DE 42 20 287 A1.
The known coil bodies are known especially in the embodiment of an "RM coil body" whose dimensions are specified in DIN
Standard 41981. The known coil bodies regularly have in the upper flange a V- or U-shaped recess, in other words one that is open radially outward, into which a suitably-shaped matching part of the automatic winder can engage in order to entrain and position the coil body in the automatic winder.
This coil body design which has existed for many years has proven itself in practice. However for some time there has been a wish to improve the stability, especially of the upper flange. A sturdier design of the upper flange, which is obvious of itself, is opposed by the standardized dimensions of the coil body on the one hand and the undesirable reduction of the winding space on the other.
The known winding bodies are used together with jacket cores which are made bipartite and have an impact plane located centrally with respect to the coil body and parallel to the flanges. The core surrounds the coil body jacketwise over its height, and therefore fits around the top and bottom of the coil body as well two opposite parts of the jacket surfaces over its width. The core is designed so that the lateral projections on the lower flange are not covered by the core laterally externally heightwise owing to the sections of the upper flange. Since the core surrounds the coil body jacketwise over its height, it forms a rigid receiving space for the coil body. Since manufacturing tolerances influence the relative size of coil bodies with respect to the receiving space of the core, the receiving space of the core is manufactured with a slight excess, and an elastic tolerance compensating disk on the upper flange of the coil body is installed before the core is closed by means of an elastic clamping arrangement composed of two lateral clamps. The elastic tolerance compensating element holds the coil body firmly and rattle-free in the receiving space of the core.
The statement of the problem that forms the basis of the invention consists in permitting increased stability of the coil body in the vicinity of the upper flange by means that permit adherence to standard DIN 41981.
To solve this problem a coil body of the species recited at the outset is characterized according to the invention by the upper flange being made solid without any recesses and by the means for receiving and entraining the coil body on automatic winders being formed by ribs located on the top of the upper flange, said ribs delimiting a receiving space that is open radially outward.
According to the invention therefore a variation is made on the design, known for decades, for RM coil bodies to be wound fully automatically, without losing the advantages of this design with regard to its handling by automatic winders. This is accomplished by virtue of the fact that, as a means for receiving and entraining the coil body in automatic winders, a recess is no longer provided in the upper flange but ribs are provided instead on the top of the flange which can perform the same function without reducing the resistance of the upper flange to breakage, as a recess does. The invention is based on the knowledge that such a partial increase in height is possible because the ribs molded on the top of the upper flange project into a free space next to the jacket core and therefore do not adversely affect the previous design of the electrical coils, even within the framework of the DIN guideline.
Preferably, two ribs at an angle to one another delimit a V-shaped receiving area.
The increase in stability of the coil body that can be achieved according to the invention in the vicinity of the upper flange permits an expansion of the range of applications for the UP coil bodies that are advantageous for thermal reasons. However, the invention offers advantages even for the previous phenolic coil bodies that suffered no stability problems, because increasingly thicker winding wires are being used which exert a higher load on the coil body, especially on the upper flange, during the winding process.
The invention will now be described in greater detail with reference to the drawing, in which an embodiment of the coil according to the invention is contrasted with the previously used, known design.
Figure 1 is a section made heightwise through a coil according to the prior art;
Figure 2 is a top view of the coil arrangement according to Figure 1;
Figure 3 is a section made heightwise through an embodiment of a coil according to the invention, rotated through 90 with respect to Figure 1;
Figure 4 is a top view of the arrangement shown in Figure 3.
The electrical coil shown in Figures 1 and 2 according to the prior art has a coil body 1 and a ferromagnetic core 2.
Coil body 1 consists of a hollow cylindrical winding body 3 delimited at the bottom by a lower flange 4 and at the top by an upper flange 5. On the outer jacket of winding body 3, an electrical winding (not shown) is wound and flanges 4
2 ~ 2 and 5 delimit the winding space at the top and bottom. Coil body 1 is surrounded jacketwise over its height by core 2, with core 2 consisting of two core halves 6 and 7. Core halves 6 and 7 abut one another in a horizontal plane 8 which lies parallel to flanges 4 and 5 and is located halfway up coil body 1.
Core halves 6 and 7 are held together by two clamps 9 which fit over core halves 6 and 7 from the bottom and top and press core halves 6 and 7 elastically against one another.
Figure 2 shows that core halves 6 and 7 are slightly narrowed centrally at the top and bottom of coil body 1 and only partially cover flanges 4 and 5 of circularly cylindrical coil body 1. In the part of top flange 5 that is not overlapped, an approximately V-shaped recess 10 is provided which serves to receive and entrain coil body 1 in a winding machine.
Bottom flange 4 is provided with lateral projections 11 that project transversely with respect to the lengthwise direction of core 2 from bottom flange 4, each forming a wire guide slot 12 and bearing soldering tabs 13.
In this known coil arrangement, coil 2 forms a receiving area for coil body 1. To compensate for manufacturing tolerances, an elastic annular disk 15 is inserted as a tolerance compensating element on the top of upper flange 5 of coil body 1, said disk, depending on the remaining distance between coil body 1 and the top of receiving space 14, being compressed to a greater or lesser degree, but in any event ensuring a rattle-free seat for coil body 1 in receiving space 14 of core 2.
21~7812 The section shown in Figure 3, made heightwise through a coil body according to the invention, is rotated through 90 with respect to the sectioning plane according to Figure 1.
Lower flange 104 of coil body 101 according to the invention with its projections 111 is unchanged from flange 4 of coil body 1. Winding body 103, with the core having the same size, has a slightly greater height since the elastic annular disk 15 that serves as a tolerance compensating device has been eliminated. Upper flange 105 is made without a recess 10 opposite flange 5, and in the embodiment shown has the form of a circular disk of a constant thickness. To preserve advantageous handling in a winding machine, upper flange 105 is provided on its top with two ribs 110 at an angle to one another and delimiting an approximately V-shaped receiving space into which a correspondingly-shaped receiver and driver of the winding machine can be inserted laterally so that the position of the coil body 101 is fixed.
Clamping arrangement 109 is made in one piece in the embodiment according to the invention and extends laterally over the entire top of core 2 by two legs beneath the underside of lower core half 106, in order thus to press the two core halves 106 and 107 against one another in contact plane 108. In addition, clamp 109 on the top of core 102 or of upper core half 107 is provided with two lateral projections 116, 117 that extend over the width of core 102 and press with downwardly bent flexible ends 118 and 119 on the top of upper flange 105 of coil body 101. The leg 118 that is bent downward is bent at less than 90 and lies at an angle to ribs 110. On the other hand, leg 119 is bent nearly at a right angle and extends directly to the surface of upper flange 105 since there are no ribs 110 in its vicinity. To improve elastic support, leg 119 is crimped slightly outward at its free end 120.
~lfi7~2 Thus it is evident that clamp 109 in the embodiment shown not only has the function of holding the two core halves 106 and 107 together, but also are pressing coil body 101 with an elastic pretensioning against the lower wall of receiving space 114 in order in this manner, even with slight manufacturing tolerances, to ensure a firm and rattle-free seat of coil body 101 in receiving space 114 of core 102, which in the embodiment shown is greater by tolerance range T than coil body 101 since the section part of upper core half 107 projects into the interior of hollow cylindrical coil body 101.
By virtue of the continuous design of upper flange 105 the mechanical stability as well as the resistance to voltage sparkover of coil body 101 is improved, with advantageous handling in a coil-winding machine being retained because of ribs 110. In the construction of the coil according to the invention, ribs 110 are located next to core 102 and therefore in no way contribute to an enlargement of the total construction.
Core halves 6 and 7 are held together by two clamps 9 which fit over core halves 6 and 7 from the bottom and top and press core halves 6 and 7 elastically against one another.
Figure 2 shows that core halves 6 and 7 are slightly narrowed centrally at the top and bottom of coil body 1 and only partially cover flanges 4 and 5 of circularly cylindrical coil body 1. In the part of top flange 5 that is not overlapped, an approximately V-shaped recess 10 is provided which serves to receive and entrain coil body 1 in a winding machine.
Bottom flange 4 is provided with lateral projections 11 that project transversely with respect to the lengthwise direction of core 2 from bottom flange 4, each forming a wire guide slot 12 and bearing soldering tabs 13.
In this known coil arrangement, coil 2 forms a receiving area for coil body 1. To compensate for manufacturing tolerances, an elastic annular disk 15 is inserted as a tolerance compensating element on the top of upper flange 5 of coil body 1, said disk, depending on the remaining distance between coil body 1 and the top of receiving space 14, being compressed to a greater or lesser degree, but in any event ensuring a rattle-free seat for coil body 1 in receiving space 14 of core 2.
21~7812 The section shown in Figure 3, made heightwise through a coil body according to the invention, is rotated through 90 with respect to the sectioning plane according to Figure 1.
Lower flange 104 of coil body 101 according to the invention with its projections 111 is unchanged from flange 4 of coil body 1. Winding body 103, with the core having the same size, has a slightly greater height since the elastic annular disk 15 that serves as a tolerance compensating device has been eliminated. Upper flange 105 is made without a recess 10 opposite flange 5, and in the embodiment shown has the form of a circular disk of a constant thickness. To preserve advantageous handling in a winding machine, upper flange 105 is provided on its top with two ribs 110 at an angle to one another and delimiting an approximately V-shaped receiving space into which a correspondingly-shaped receiver and driver of the winding machine can be inserted laterally so that the position of the coil body 101 is fixed.
Clamping arrangement 109 is made in one piece in the embodiment according to the invention and extends laterally over the entire top of core 2 by two legs beneath the underside of lower core half 106, in order thus to press the two core halves 106 and 107 against one another in contact plane 108. In addition, clamp 109 on the top of core 102 or of upper core half 107 is provided with two lateral projections 116, 117 that extend over the width of core 102 and press with downwardly bent flexible ends 118 and 119 on the top of upper flange 105 of coil body 101. The leg 118 that is bent downward is bent at less than 90 and lies at an angle to ribs 110. On the other hand, leg 119 is bent nearly at a right angle and extends directly to the surface of upper flange 105 since there are no ribs 110 in its vicinity. To improve elastic support, leg 119 is crimped slightly outward at its free end 120.
~lfi7~2 Thus it is evident that clamp 109 in the embodiment shown not only has the function of holding the two core halves 106 and 107 together, but also are pressing coil body 101 with an elastic pretensioning against the lower wall of receiving space 114 in order in this manner, even with slight manufacturing tolerances, to ensure a firm and rattle-free seat of coil body 101 in receiving space 114 of core 102, which in the embodiment shown is greater by tolerance range T than coil body 101 since the section part of upper core half 107 projects into the interior of hollow cylindrical coil body 101.
By virtue of the continuous design of upper flange 105 the mechanical stability as well as the resistance to voltage sparkover of coil body 101 is improved, with advantageous handling in a coil-winding machine being retained because of ribs 110. In the construction of the coil according to the invention, ribs 110 are located next to core 102 and therefore in no way contribute to an enlargement of the total construction.
Claims (7)
1. Coil body for automatic coil winding, especially an RM
coil body, consisting of a cylindrical winding body (103), a lower flange (104) provided with projections (111) forming wire guide slots (112) and soldering tabs (113), and an upper flange (105) provided with means for receiving and entraining coil body (101) on automatic winders, with coil body (101) being provided for use with a bipartite core (102), said core surrounding coil body (101) jacketwise over its height and held together by an elastic clamping arrangement (109), said core further being so shaped that lateral projections (111) of lower flange (104) and the means of upper flange (105) for receiving and entraining coil body (101) are located outside core (102), characterized in that upper flange (105) is made solid without recesses (10) and that the means for receiving and entraining coil body (101) on automatic winders are formed by ribs (110) located on the top of upper flange (105), said ribs delimiting a receiving space that is open radially outward.
coil body, consisting of a cylindrical winding body (103), a lower flange (104) provided with projections (111) forming wire guide slots (112) and soldering tabs (113), and an upper flange (105) provided with means for receiving and entraining coil body (101) on automatic winders, with coil body (101) being provided for use with a bipartite core (102), said core surrounding coil body (101) jacketwise over its height and held together by an elastic clamping arrangement (109), said core further being so shaped that lateral projections (111) of lower flange (104) and the means of upper flange (105) for receiving and entraining coil body (101) are located outside core (102), characterized in that upper flange (105) is made solid without recesses (10) and that the means for receiving and entraining coil body (101) on automatic winders are formed by ribs (110) located on the top of upper flange (105), said ribs delimiting a receiving space that is open radially outward.
2. Coil body according to Claim 1 characterized in that two ribs (110) are provided that run at an angle to one another and form a V-shaped receiving space.
3. Coil body according to Claim 1 or 2 characterized in that it is made from an unsaturated polyester modified by additives.
4. Electrical coil body (101), consisting of a cylindrical winding body (103), a lower flange (104) provided with lateral projections (111) forming wire guide slots (112) and bearing soldering tabs (113), and an upper flange (105) with means for receiving and entraining coil body (101) on automatic winders, a bipartite core (102) surrounding coil body (101) jacketwise over its height and divided in a horizontal plane (108), said core covering upper flange (105) of coil body (101) only partially, an elastic clamping arrangement (109) that holds core (102) together, and an elastic tolerance compensating element for holding coil body (101) in the receiving space (114) formed by core (102), characterized in that clamping arrangement (109), which fits over the top of the coil, abuts the top of core (102) with tension and is provided on the top of core (102) with lateral projections (116, 117), which have legs (118, 119) bent laterally downward from core (102), said legs pressing with pretensioning on upper flange (105) of coil body (101).
5. Coil according to Claim 4 characterized in that means for receiving and entraining coil body (101) on automatic winders are provided on upper flange (105).
6. Coil according to Claim 5 characterized in that upper flange (105) is made solid without recesses (10) and that the means for receiving and entraining coil body (101) on automatic winders are formed by ribs (110) located on the top of upper flange (105), said ribs delimiting a receiving space that is open radially outward.
7. Coil according to Claim 6 characterized in that one of the lateral projections (116, 117) presses on ribs (110) on the top of upper flange (105).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4418246A DE4418246C2 (en) | 1994-05-25 | 1994-05-25 | Coil body and electrical coil constructed with it |
| DEP4418246.5 | 1994-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2167812A1 true CA2167812A1 (en) | 1995-11-30 |
Family
ID=6518934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002167812A Abandoned CA2167812A1 (en) | 1994-05-25 | 1995-05-19 | Coil former and electric coil wound thereon |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0711449B1 (en) |
| AT (1) | ATE168814T1 (en) |
| CA (1) | CA2167812A1 (en) |
| DE (2) | DE4418246C2 (en) |
| WO (1) | WO1995032511A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1784805U (en) * | 1958-12-19 | 1959-03-12 | Rausch & Pausch | COIL FOR RELAY. |
| GB2035706B (en) * | 1978-11-09 | 1983-05-05 | Tdk Electronics Co Ltd | Inductance element |
| EP0208996B1 (en) * | 1985-07-09 | 1989-10-04 | Siemens Aktiengesellschaft | Electric coil bobbin |
| DE8704105U1 (en) * | 1987-03-19 | 1987-05-14 | Eichhoff-Werke Gmbh, 5880 Luedenscheid, De | |
| DE8716783U1 (en) * | 1987-12-21 | 1988-02-11 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | |
| DE9218610U1 (en) * | 1992-06-20 | 1994-10-06 | Hohenloher Spulenkoerper | Coil body made of thermosetting unsaturated polyester |
-
1994
- 1994-05-25 DE DE4418246A patent/DE4418246C2/en not_active Expired - Fee Related
-
1995
- 1995-05-19 WO PCT/DE1995/000684 patent/WO1995032511A1/en active IP Right Grant
- 1995-05-19 EP EP95919326A patent/EP0711449B1/en not_active Expired - Lifetime
- 1995-05-19 DE DE59502881T patent/DE59502881D1/en not_active Expired - Fee Related
- 1995-05-19 CA CA002167812A patent/CA2167812A1/en not_active Abandoned
- 1995-05-19 AT AT95919326T patent/ATE168814T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE4418246A1 (en) | 1995-11-30 |
| ATE168814T1 (en) | 1998-08-15 |
| WO1995032511A1 (en) | 1995-11-30 |
| DE4418246C2 (en) | 1997-12-18 |
| EP0711449A1 (en) | 1996-05-15 |
| EP0711449B1 (en) | 1998-07-22 |
| DE59502881D1 (en) | 1998-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |