Controllable-pitch moving blade type axial fan

Details Controllable-pitch moving blade type axial fan Controllable-pitch moving blade type axial fan

1981-11-18

1985-09-10

Coe, Philip R.

Rotary kinetic fluid motors or pumps

Runner or blade selectively adjustable relative to casing

415145, 415DIG1, F01D 700

Patent

active

045403350

ABSTRACT:
An axial fan of the controllable-pitch moving blade type, equipped with a controllable-pitch moving blade mechanism capable of changing the setting angle of the blades during operation, includes a casing treatment embedded in the inner wall of the casing facing the tips of moving blades and along the circumference of the tip circle.

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