4. Motors: expansible chamber type
  5. Working member position feedback to motive fluid control
  6. Electrical input and feedback signal means

Karl E. Joelson

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Fluid flow governing valve means

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
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Governing means for a hydraulic actuator

Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
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