4. Measuring and testing
  5. Volume or rate of flow
  6. Using turbine

Heinz-Dieter Hellmann

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Centrifugal pump with double volute casing

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing with axial – conical flow runner
Patent

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Centrifugal pump with open double volute casing

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing with axial – conical flow runner
Patent

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Liquid flow meter

Measuring and testing – Volume or rate of flow – Using turbine
Patent

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Method and apparatus for early fault detection in...

Rotary kinetic fluid motors or pumps – Method of operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-802086

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