Fan blade for allowing airflow with fan in failure condition

Details Fan blade for allowing airflow with fan in failure condition Fan blade for allowing airflow with fan in failure condition

2006-03-14

2006-03-14

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Sectional, staged or nonrigid working member

C416S040000, C416S042000, C416S23100A, C416S240000, C361S695000

Reexamination Certificate

active

07011503

ABSTRACT:
A fan and a fan blade are provided for allowing airflow through the fan blade in a fan failure condition. The fan blade includes a peripheral member defining an opening. A flexible cover member is attached to the peripheral member for covering the fan blade opening during normal operation of the fan. The flexible cover member is hingeably attached to the peripheral member for movement away from the peripheral member enabling airflow through the fan blade opening in a fan failure condition.

REFERENCES:
patent: 1469064 (1923-09-01), Zucker
patent: 244385 (1925-12-01), None
patent: 436101 (1935-10-01), None

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