4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Irregular, flanged or channel forming blade surface

Boris Mamaev

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Turbine blade with bracket in tip region

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Reexamination Certificate

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Turbomachine blade

Fluid reaction surfaces (i.e. – impellers) – Lashing between working members or external bracing – Peripheral
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2577336

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