Electrical switching unit, controlled through permanent magnets with a reed contact, having a freely movable armature专利检索- .衔铁和触点装在一密封壳体内操作线圈在该壳体外的继电器如装在磁弹簧片或舌簧上的触点专利检索查询-专利查询网

Electrical switching unit, controlled through permanent magnets with a reed contact, having a freely movable armature
申请号	US56318666	申请日	1966-07-06	公开(公告)号	US3356948A	公开(公告)日	1967-12-05
申请人	INT STANDARD ELECTRIC CORP;			发明人	ZERFASS ANDREAS;
摘要
权利要求	1. AN ELECTRIC SWITCHING UNIT COMPRISING A PAIR OF REED CONTACTS, A FREELY BORNE ARMATURE CAPABLE OF CLOSING AN ELECTRIC CIRCUIT THROUGH SAID REED CONTRACTS, AN ANNULAR PERMANENT MAGNET PRODUCING FLUX, A FIRST PART OF FLUX LINKING WITH SAID REED CONTACTS AND SAID FREELY BORNE ARMATURE TO ENABLE SAID ANNULAR MAGNET TO MOVE SAID ARMATURE INTO AND OUT OF CONTACT WITH SAID REED CONTACTS A SECOND PART OF SAID FLUX LINKING WITH SAID REED CONTACTS AND SAID FREELY BORNE ARMATURE TENDING TO OPPOSE MOTION OF SAID ARMATURE OUT OF CONTACT WITH SAID REED CONTACTS, AND A PAIR OF PERMANENT MAGNETS MAGNETICALLY COUPLED TO SAID ANNULAR PERMANENT MAGNET, SAID PAIR OF PERMANENT MAGNETS PROVIDING ADDITIONAL FLUS COMPENSATING FOR THE SECOND PART OF SAID FLUX AND THUS PROVIDING IMPROVED PERFORMANCE DURING PERIODS WHEN THE ARMATURE SWITCHES OUT OF CONTACT WITH THE REED CONTACTS.
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