Electromagnetically operating actuator

Details Electromagnetically operating actuator Electromagnetically operating actuator

1981-06-29

1984-06-19

Shoop, William M.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

251137, H01F 708

Patent

active

044555431

ABSTRACT:
An electromagnetically operating actuator for control elements capable of making oscillatory movements in displacement machines, more particularly for flat slide shut-off valves and lift valves, includes a spring system and a pair of electrically operating switching elements, over which the control element is movable in two discrete opposite operating positions and is retained thereat by either switching magnet, the locus of the position of equilibrium of the spring system lying between the two operating positions. The invention is characterized by the provision of a compression device in engagement with the spring system for relocating the locus of the position of equilibrium of the spring system upon actuation of the compression device.

REFERENCES:
patent: 2769943 (1956-11-01), Matthews
patent: 3190608 (1965-06-01), Hassa
patent: 3513420 (1970-05-01), Ransom et al.

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