Air-change system for a multi-storey building
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United States of America Patent
Stats
-
Sep 10, 1996
Grant Date -
N/A
app pub date -
Oct 31, 1994
filing date -
Mar 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ventilation system for a multi-storey building, which system comprises a ventilation apparatus mounted on a roof and provided with fans for generating an inlet air flow and a distributing channel for supplying the inlet air flow to various intermediate levels of the building. A service shaft of the building serves as an inlet air flow channel, which shaft forms a flow path for the inlet-air flow directed from the fans downwards, whereby the service shaft has deflecting means for passing a part of the air flow to each intermediate level of the building.
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