Electropneumatic positioner

Details Electropneumatic positioner Electropneumatic positioner

1992-08-24

1993-11-02

Michalsky, Gerald A.

Fluid handling

Pressure modulating relays or followers

137 84, 251 65, 25112908, 335229, G05D 706, F16K 3108

Patent

active

052576396

ABSTRACT:
A transducer having an explosion-proof housing with a divider forming two compartments, and the divider having formed therein a well. A magnet and flapper arm arrangement is suspended within the well. A coil winding is fixed in the other compartment around the well so that a magnetic field generated thereby influences the pivotal position of the magnet. Set screws adjustable in the bottom of the well are effective to preset a rest position of the magnet.

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"Masoneilan Electropneumatic Valve Positioner", Masoneilan International Inc. Bulletin No. 313E, 4 pages, copyright 1971.
"Masoneilan Electropneumatic Positioner Instructions", Masoneilan Instruction No. ES5000E, pp. 1-16, copyright 1982.
Hicorex.RTM.-Nd H-97 Neodymium-Iron-Boron Permanent Magnets, Hitachi Magnetics Corporation (Nov. 1986).

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