F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/24, 98/28
F04D 29/40 (2006.01)
Patent
CA 1213254
ABSTRACT OF THE DISCLOSURE The present invention is for a housing structure for enclosing a fan assembly comprising a drive motor and propeller fan coupled thereto, the housing structure being mounted externally of a building at a downwardly slanted angle thereto so that as airflow is effected through the building when the fan is operating the air exits the building in a downward direction. The entrance to the housing is normally provided with a plurality of moveable blades in a louvered shutter assembly which when in open position have a downward angle thereto corresponding to the downwardly slanted center line axis of the housing enclosure. A fan inlet guard is normally provided with release clips to permit the quick and easy removal of the guard for servicing of the fan structure. The housing also is provided with sufficient area adjacent to the intake opening for permitting installation of electrical wiring to the internal components.
395119
Acme Engineering & Manufacturing Corporation
Marks & Clerk
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