Magnetic latching actuator

Details Magnetic latching actuator Magnetic latching actuator

1987-08-28

1989-03-21

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335234, 335 81, H01F 708

Patent

active

048147320

ABSTRACT:
A magnetic latching actuator is disclosed having an arrangement of components which cooperate to minimize internal friction, while ensuring smooth and efficient operation. The invention uses a core having at least one electrical coil. In communication with the core is a permanent magnet. The magnet is positioned against a U-shaped magnetic flux connector having two parallel plates. The plates are sufficiently spaced from each other to permit the passage of a U-shaped armature therebetween. The armature is movable between the plates of the flux connector, enabling the transfer of magnetic flux to the armature while avoiding frictional engagement between the armature and flux connector. The armature further includes two end portions each designed to alternately engage the core at opposite ends.

REFERENCES:
patent: 4604599 (1986-08-01), Koehler
patent: 4730175 (1988-03-01), Ichikawa et al.

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