Reed relay having low thermal emf专利检索-磁阻头电磁学专利检索查询-专利查询网

Reed relay having low thermal emf

阅读：296发布：2023-04-21

专利汇可以提供Reed relay having low thermal emf专利检索，专利查询，专利分析的服务。并且A reed relay switch consists of a pair of low reluctance, ferromagnetic, flattened reeds, which are hermetically sealed into a glass tube. The ferromagnetic material extends out of the glass tube and to a juncture with interconnecting conductors to external circuits. These junctures are usually of dissimilar metals and generate thermal EMF''s. A thermally conductive electrical insulating body is provided and the connections are made at either side of this body so that the thermal EMF''s produced by the thermally active junctions tend to cancel each other and reduce the thermal EMF across the reed relay.，下面是Reed relay having low thermal emf专利的具体信息内容。

权利要求

1. A reed relay comprising a coil having an elongated opening, a sealed magnetic switch having an elongated housing, ferro magnetic reeds mounted in said housing and having portions thereof extending therefrom, conductor members electrically connected to said reeds to form connections of dissimilar metals, a body of thermally conductive electrical insulating material, each of said connections being brought into thermal contact with said body and so located as to be electrically insulated from each other whereby the thermally active junctions are maintained at substantially the same temperature and the thermal EMF''s produced by the junctions being equal and opposite tend to cancel each other thereby reducing the thermal EMF across the reed relay.

2. A reed relay as in claim 1 wherein lead material identical to the reeds is secured to the reed end portions extending from the housing and extend to the center of the housing exterior at which location the conductor members are secured to the leads.

3. A reed relay as in claim 1 wherein the thermally conductive electrical insulating body is within the elongated opening in the coil.

4. A reed relay as in claim 1 wherein the thermally conductive electrical insulating body is outside the coil.

5. A reed relay as in claim 2 wherein the thermally conductive electrical insulating body is oriented perpendicular to the coil axis.

6. A magnetic reed switch comprising a capsule containing ferro magnetic reeds having portions extending therefrom, conductor members electrically connected to said portions and forming a juncture of dissimilar metals, a body of thermally conductive electrical insulating material, each of the junctures being brought into thermal contact with said body and so located as to be electrically insulated from each other whereby the thermally active junctions are maintained at substantially the same temperature and the thermal EMF''s produced by the junctions being equal and opposite tend to cancel each other thereby reducing the thermal EMF across the reed switch.

7. A magnetic reed switch as in claim 6 wherein lead material identical to the reeds is secured to the reed end portions and extend to the center of the capsule.

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Reed relay having low thermal emf

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