4. Fluid reaction surfaces (i.e., impellers)
  5. With fluid passage in working member communicating with...
  6. Discharge solely at periphery normal to rotation axis

William K. Koffel

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Rotor blade tip

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Patent

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Tip cap for a rotor blade

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Patent

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Variable nozzle area turbine vane cooling

Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
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