Focussed ventilation procedure and focussed ventilation means
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United States of America Patent
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-
Nov 12, 1991
Grant Date -
N/A
app pub date -
Feb 9, 1990
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A focussed ventilation system where impure gas, or excess heat is drawn off from a source of impurities at the work space (18). The impure gas, or excess heat is moved to a collection zone located in the room space, wherefrom said impure gas, or excess heat is drawn to be treated further or conducted away from the room space.
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