Built-in fan

Details Built-in fan Built-in fan

1986-05-02

1988-03-08

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415195, 416200R, 416203, F04D 2966

Patent

active

047297140

ABSTRACT:
In an axial fan whose fan wheel is retained in a tubular member by spokes, the blade edges of the individual fan blades which face the spokes are constructed geometrically different from one another.

REFERENCES:
patent: 484511 (1892-10-01), Adams
patent: 2948506 (1960-08-01), Glasser et al.
patent: 3178099 (1965-04-01), Child
patent: 3347520 (1967-10-01), Owczarek

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