Axial fan

Details Axial fan Axial fan

1977-11-14

1980-09-09

Smith, Leonard E.

Pumps

Motor driven

Motor within rotary pumping member

415207, F04D 2508, F04D 2944

Patent

active

042215463

ABSTRACT:
In an axial fan, the flow channel is constricted on the suction side in necked-down manner and is widened on the pressure side in diffuser-like manner. The electrical driving motor arranged in the center of the impeller has an overhung rotor, whose rotor shaft is supported in a punctiform bearing arranged on the suction side.

REFERENCES:
patent: 2435645 (1948-02-01), Bergstrom
patent: 2926838 (1960-03-01), Van Rijn
patent: 3237849 (1966-03-01), Krell
patent: 3334807 (1967-08-01), McMahan
patent: 3362627 (1968-01-01), Papst
patent: 3378192 (1968-04-01), Friese
patent: 3531221 (1970-09-01), Herberg et al.
patent: 4061188 (1977-12-01), Beck

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