Ventilation device

Details Ventilation device Ventilation device

1997-04-16

1998-10-13

Joyce, Harold

Ventilation

Having outlet airway

With air pump

415206, F24F 7007

Patent

active

058204580

ABSTRACT:
A ventilation device is composed of an air inlet base, an air guiding box mounted on the air inlet base, and a ventilation fan. The air guiding box is made up of a main body and a motor base mounted on the main body. The ventilation fan is mounted on the shaft of a motor which is in turn mounted on the motor base. The ventilation device is effectively downsized without compromising its ventilation efficiency.

REFERENCES:
patent: 353994 (1886-12-01), Walker et al.
patent: 2898841 (1959-08-01), Knutson et al.
patent: 4977884 (1990-12-01), Kaufman

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