Centrifugal fan unit with vertical rotation axis

Details Centrifugal fan unit with vertical rotation axis Centrifugal fan unit with vertical rotation axis

1998-03-20

2000-02-22

Joyce, Harold

Ventilation

Having inlet airway

With air pump

454355, 454906, 181224, 181225, 55467, 55471, F24F 7007

Patent

active

060274069

ABSTRACT:
A centrifugal fan system for a building, including a centrifugal fan mounted for rotation about a vertical axis and having a bottom inlet. The fan is mounted in a movable housing having a fan chamber and an air outlet arranged in a side thereof. Wheels are mounted on both sides of the fan housing and engage two elongate track members, that extend horizontally and are mounted on a suitable supporting structure. Thus, the fan and its housing can be moved horizontally away from the top of an input flow concentrator. The housing has an internal, perforated scroll-shaped wall and vertical external walls. Sound insulation is located between the scroll-wall and the external walls. An electrical motor is mounted on the side of the housing and is connected to drive the fan.

REFERENCES:
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patent: 3211077 (1965-10-01), Kramer, Jr.
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patent: 3840067 (1974-10-01), Bos
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patent: 3960063 (1976-06-01), Siemes et al.
patent: 3996314 (1976-12-01), Lakmaker
patent: 4232729 (1980-11-01), Ingram et al.
patent: 4295416 (1981-10-01), Gorchev et al.
patent: 5445218 (1995-08-01), Nieh

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