4. Fluid reaction surfaces (i.e., impellers)
  5. Specific drive or transmission means
  6. Alternating rotation

Edgar Saterdal

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Axial fan

Fluid reaction surfaces (i.e. – impellers) – Specific drive or transmission means – Alternating rotation
Patent

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Axial fan

Fluid reaction surfaces (i.e. – impellers) – Specific drive or transmission means – Alternating rotation
Patent

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Method of manufacturing axial fans of different sizes

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Profile ID: LFUS-PAI-P-1457170

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