Magnetic rotational to linear actuator for well pumps

A well pump includes a plunger reciprocally carried within a barrel between up stroke and down stroke positions. A tubular linear actuator housing located below the barrel has a rotatable rotor. An array of rotor magnets is mounted to the rotor, directing rotor magnetic fields in an outward directio...

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Bibliographische Detailangaben
Hauptverfasser: Cain Sean A, Bierig Kevin R, Lawson Peter F, Robinson Lance T, Tetzlaff Steven K
Format: Patent
Sprache:eng
Schlagworte:
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