Coupling device
First Claim
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1. An end piece for magnetic coupling of core parts to a closed path for magnetic flux, the end piece comprising:
- a magnetic path part comprising a plurality of substantially adjacent, wire-shaped bodies, each wire shaped body comprising end surfaces; and
at least an abutment surface for abutment of the magnetic path part against the core parts, wherein the abutment surface comprises the end surfaces of the wire-shaped bodies.
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Abstract
The invention relates to an end piece for magnetic coupling of core parts to a closed path for magnetic flux, characterized in that it comprises at least an abutment surface for abutment against the core parts and a magnetic path part, where the path part is composed of several approximately parallel, wire-shaped bodies and the abutment surface is composed of the end surfaces of the wire-shaped bodies. The invention also relates to a method for manufacturing the end piece.
20 Citations
24 Claims
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1. An end piece for magnetic coupling of core parts to a closed path for magnetic flux, the end piece comprising:
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a magnetic path part comprising a plurality of substantially adjacent, wire-shaped bodies, each wire shaped body comprising end surfaces; and
at least an abutment surface for abutment of the magnetic path part against the core parts, wherein the abutment surface comprises the end surfaces of the wire-shaped bodies. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A composite core for a magnetic device, the composite core comprising:
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at least one core part; and
at least one end piece for magnetic coupling of the at least one core part to a closed path for magnetic flux, the end piece comprising wire shaped magnetic bodies, the wire shaped magnetic bodies comprising end surfaces, wherein the end piece comprises at least an abutment surface for abutment against the core part and a magnetic path part, wherein the magnetic path part comprises a plurality of substantially adjacent, wire-shaped bodies, and wherein the abutment surface comprises the end surfaces of the wire-shaped bodies. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of manufacturing an end piece for magnetic coupling of core parts to a closed magnetic path for magnetic flux, the end piece comprising, a magnetic path part comprising a plurality of substantially adjacent wire-shaped bodies, and at least an abutment surface for abutment of the magnetic path part against the core parts, wherein each wire-shaped body comprises an end surface, and wherein the abutment surface comprises end surfaces of the wire-shaped bodies, the method comprising the steps of:
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winding a wire of magnetic material around a mold in order to form the magnetic path part;
dividing the wire winding in two in order to form abutment surfaces;
removing the mold from the wire winding; and
treating the abutment surfaces in order to provide a smooth surface, wherein abutment surfaces of the end piece have a shape which corresponds to a shape of an abutment surface of the core parts. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification