Polarized electromagnetic relay
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United States of America Patent
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-
Sep 30, 1986
Grant Date -
N/A
app pub date -
Jul 18, 1985
filing date -
Jul 20, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A polarized electromagnetic relay has a movable block which includes two U-shaped magnetic plates, each of which has first and second ends. The plates are fixed on individually associated and opposite poles of a permanent magnet to oppose each other. A core has one end placed between the two magnetic plates. A yoke is magnetically connected to the core, the yoke having a fork on one end thereof. The fork is placed outside each of the two magnetic plates. A spool with a coil mounted thereon has a center hole through which the core is inserted. The movable block is supported in a manner which enables it to move in a direction which is parallel to the magnetic axis of the permanent magnet.
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