4. Rotary expansible chamber devices
  5. Relatively movable working member and drive shaft axes

Wilhelm Melchinger

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Rotary liquid pump with spaced drive shaft connection means

Rotary expansible chamber devices – Relatively movable working member and drive shaft axes
Patent

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Vane-type pump or motor with undervane fluid bias

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Annular groove or recess completely encircles rotation axis
Patent

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Profile ID: LFUS-PAI-P-798021

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