ELECTROMAGNETIC DEVICE AND ELECTROMAGNETIC RELAY USING SAME
First Claim
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1. An electromagnetic device comprising:
- a spool having a cylindrical body with a through hole;
a secondary coil formed in a spiral shape along an outer peripheral surface of the cylindrical body and formed with a closed circuit by metal plating; and
a primary coil formed of a conductive wire wound around the secondary coil via an insulating material covering the secondary coil,wherein an induced current, generated by applying a voltage to any one of the primary coil and the secondary coil, is allowed to flow to the other coil different from the one coil.
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Abstract
An electromagnetic device includes a spool having a cylindrical body with a through hole, a secondary coil formed in a spiral shape along an outer peripheral surface of the cylindrical body and formed with a closed circuit by metal plating, and a primary coil formed of a conductive wire wound around the secondary coil via an insulating material covering the secondary coil. An induced current, generated by applying a voltage to any one of the primary coil and the secondary coil, is allowed to flow to the other coil different from the one coil.
5 Citations
8 Claims
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1. An electromagnetic device comprising:
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a spool having a cylindrical body with a through hole; a secondary coil formed in a spiral shape along an outer peripheral surface of the cylindrical body and formed with a closed circuit by metal plating; and a primary coil formed of a conductive wire wound around the secondary coil via an insulating material covering the secondary coil, wherein an induced current, generated by applying a voltage to any one of the primary coil and the secondary coil, is allowed to flow to the other coil different from the one coil. - View Dependent Claims (2, 3, 4)
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5. An electromagnetic relay comprising:
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a base; and an electromagnetic device incorporated into the base, and comprising; a spool having a cylindrical body with a through hole; a secondary coil formed in a spiral shape along an outer peripheral surface of the cylindrical body and formed with a closed circuit by metal plating; and a primary coil formed of a conductive wire wound around the secondary coil via an insulating material covering the secondary coil, wherein an induced current, generated by applying a voltage to any one of the primary coil and the secondary coil, is allowed to flow to the other coil different from the one coil. - View Dependent Claims (6, 7, 8)
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Specification