4. Machine element or mechanism
  5. Mechanical movements
  6. Rotary to or from reciprocating or oscillating

Heinz Frey

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Actuating drive

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Actuating drive for a control valve

Motors: expansible chamber type – With motive fluid valve – Self-opening exhaust valve held closed by inlet pressure
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Actuator

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Connecting valve and hydraulic oil safety and power system in wh

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Continuously variable drive

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Profile ID: LFUS-PAI-P-465691

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