1987-04-03
1988-09-06
Joyce, Harold
98 4211, 98DIG10, F24F 7007, F24F 702
Patent
active
047684240
ABSTRACT:
A roof ventilator with a motor driven radial impeller (1) preferably having a vertical axis (15). It further comprises a housing for the impeller (1) which is connectable to the roof (20) or to a suitable wall of the room to be ventilated. On the side adjacent to the roof (20) or the wall, there is an inlet (5) extending in the direction of the impeller axis (15). The housing, which is designed as a flow housing, further comprises an outlet consisting of two outlet ports (16, 17) which are located on opposite first side walls (12, 13) of the housing. These side walls (12, 13) may be completely or almost completely open. This outlet design has the effect of diverting the medium flow away from the surroundings of the drive motor.
REFERENCES:
patent: 2332552 (1943-10-01), Belanger
patent: 2711682 (1955-06-01), Drecalsel
patent: 3011423 (1961-12-01), Breidert
patent: 3946648 (1976-03-01), Schneider
Frenkler Friedrich K.
Haug Andreas
Wieland Heinz
Joyce Harold
Permut Steven L.
Redman Leon E.
Wilhelm Gebhardt and Co. GmbH
Zarins Edgar A.
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