Flexible impeller with one-piece hub

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Flexible

Patent

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Details

416220A, 416219A, F04D 2938

Patent

active

056429860

ABSTRACT:
A fan for a vacuum cleaner has a fan housing, motor and impeller. The fan housing has an inlet and outlet. The impeller has a one piece hub and multiple flexible blades. This flexible blade fan provides better air performance, less noise, better durability, and easier impeller installation than conventional vacuum cleaner fans.

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