4. Valves and valve actuation
  5. Fluid actuated or retarded
  6. Fluid link or column actuator

Sadayuki Nakanishi

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Ball valve

Fluid handling – Diverse fluid containing pressure systems – Gas pressure storage over or displacement of liquid
Patent

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Sealing mechanism for a ball valve

Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Patent

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Valve

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Valve driving apparatus

Valves and valve actuation – Fluid actuated or retarded – Fluid link or column actuator
Patent

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Valve driving apparatus

Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent

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Profile ID: LFUS-PAI-P-78155

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