4. Rotary expansible chamber devices
  5. Unlike helical surfaces on relatively wobbling rotating...

Rajan Varadan

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Drive arrangement for progressing cavity pump

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Patent

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Drive arrangement for progressing cavity pump

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
Patent

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Oldham type coupling and pump embodying the same

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Orifice motor

Rotary kinetic fluid motors or pumps – Motor runner motivated by reaction type jet discharge nozzle...
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Pump/motor apparatus using 2-lobe stator

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
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Profile ID: LFUS-PAI-P-1199785

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