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US 12,327,704 B2Granted
Electromagnetic relay
AssigneeOMRON Corporation
InventorsTakeshi Nishida, Ryota Minowa
Life of this patent
Estimating the term…
Abstract
An electromagnetic relay includes a base, a contact block, an electromagnet block, a permanent magnet, and a rigid member. The base is insulating. The contact block is placed on the base. The electromagnet block is placed on the base at a space from the contact block. The permanent magnet generates a magnetic field in the contact block. The rigid member is made of a magnetic material having a higher rigidity than the base, is incorporated in the base, and suppresses a magnetic flux leakage of the permanent magnet.
Claims5
An electromagnetic relay, comprising:
- a base having an insulating property;
- a contact block placed on the base, the contact block including a first fixed terminal penetrating the base in a first direction;
- an electromagnet block placed on the base at a space from the contact block in a second direction orthogonal to the first direction;
- a pair of permanent magnets configured to generate a magnetic field in the contact block, the pair of permanent magnets including a first permanent magnet and a second permanent magnet disposed opposite the first permanent magnet;
- and
- a rigid member made of a magnetic material having a higher rigidity than the base, the rigid member being incorporated in the base, the rigid member being configured to suppress a magnetic flux leakage of the pair of permanent magnets, wherein
- at least a part of the rigid member is disposed between the first permanent magnet and the second permanent magnet as viewed from the first direction, and
- the rigid member extends from the contact block to the electromagnet block in the second direction as viewed from the first direction.
5 more elements
Dependencies are inferred from the claim text.