4. Rotary kinetic fluid motors or pumps
  5. Smooth runner surface for working fluid frictional contact

Nigel Paul Schofield

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Condition monitoring of pumps and pump system

Measuring and testing – Blower – pump – and hydraulic equipment
Reexamination Certificate

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Screw pump and pumping arrangement

Rotary expansible chamber devices – With plural working fluid inlet or outlet passages
Reexamination Certificate

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Screw pump having a thermal shield

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Reexamination Certificate

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Screw pumps

Rotary expansible chamber devices – Interengaging rotating members – Each tapered
Reexamination Certificate

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Scroll compressor

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1336713

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