4. Valves and valve actuation
  5. Balanced valves
  6. Reciprocating

Ralph R. Barber

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Balanced turbine rotor and method for making the same

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means
Patent

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Hydraulic directional control valve

Valves and valve actuation – Balanced valves – Reciprocating
Patent

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Method for welding structural gaps

Electric heating – Metal heating – By arc
Patent

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Turbine blade assembly

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot
Patent

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Profile ID: LFUS-PAI-P-835417

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