Blade configuration for shrouded motor-driven fan

Details Blade configuration for shrouded motor-driven fan Blade configuration for shrouded motor-driven fan

1984-04-06

1987-05-12

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

416184, 416223R, F04D 2938

Patent

active

046645934

ABSTRACT:
A motor-driven fan including a hub adapted to be driven by a motor, a plurality of fan blades provided on the hub to extend in radial directions, a shroud including a ring-shaped portion encircling the fan blades and stay members for supporting the ring-shaped portion, each of the fan blades being formed at a tip end thereof with a deflector which is bent in a direction of rotation of the fan by a width which increases from a leading edge to a trailing edge of the blade.

REFERENCES:
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patent: 2415380 (1947-02-01), Weber
patent: 2917227 (1959-12-01), Ruegsegger
patent: 2978040 (1961-04-01), Wirkkala
patent: 3531221 (1970-09-01), Herberg et al.
patent: 3594098 (1971-07-01), Pratinidhi
patent: 3758231 (1973-09-01), Barnstead
patent: 3842902 (1974-10-01), Poslusny
patent: 4175640 (1979-11-01), Birch et al.
patent: 4359311 (1982-11-01), Benesh

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