Axial ventilator with protected blades

Details Axial ventilator with protected blades Axial ventilator with protected blades

1981-10-14

1984-06-26

Marcus, Stephen

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416236A, 416247R, F04D 2940

Patent

active

044564317

ABSTRACT:
A ventilator according to the invention comprises at least two blades fixed to a hub adapted to be made integral with a motor shaft, a protection grille integral with said hub, protecting the front of the ventilator and being extended on the periphery of the ventilator by an annular casing assuring the protection of the radial ends of the blades.

REFERENCES:
patent: 1072189 (1913-09-01), Sparks
patent: 2091677 (1937-08-01), Fredricks
patent: 2791373 (1957-05-01), Wilcox
patent: 3261544 (1966-07-01), Guichard

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