Device and method for ventilation
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United States of America Patent
Stats
-
Jun 22, 1993
Grant Date -
N/A
app pub date -
Sep 25, 1991
filing date -
Jan 31, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention concerns a ventilation device, through which impure air is removed out of a room, in particular out of the proximity of a source of impurities at a working point in the room space. According to the invention, through the device, besides the removal of impure air and/or excess heat from the source of impurities as a limited-area removal, air of general removal is also removed through the device, the suction opening for general removal being preferably opened into the same exhaust chamber into which the suction opening for the space for collecting of impurities in the interior of, for example, a kitchen hood is opened. The device may also include a flow opening for the general intake. Thus, the device can operate as a device for limited-area ventilation and for general ventilation serving for the whole room.
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Family
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