4. Fluid reaction surfaces (i.e., impellers)
  5. Articulated, resiliently mounted or self-shifting impeller...
  6. Resilient bias or mount

John G. Henne

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Engine cooling fan

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Resilient bias or mount
Patent

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Rotary hydraulic vane pump with undervane passages for priming

Rotary expansible chamber devices – Grooved abutting cylinder-rotating member end surfaces – Annular groove or recess completely encircles rotation axis
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Profile ID: LFUS-PAI-P-1788331

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