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

Kjeld Ravn

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Control means for a hydraulic servomotor

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

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Fluid-controlled servo-arrangement

Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber – One path includes restriction
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