Process and device for purifying polluted air
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United States of America Patent
Stats
-
Mar 29, 1988
Grant Date -
N/A
app pub date -
Jun 11, 1985
filing date -
Oct 11, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chemisorption filter is provided for receiving contaminated air to be filtered and partially heating the air while filtering same, with a further heater downstream of the chemisorption filter for further heating the air. A catalyst mass is traversed by the air heated by the heater and disposed downstream of the heater for further purifying the air, with further device downstream of the catalyst mass for cooling the air upon passage thereof through the catalyst mass, all of the devices collectively forming an air purifier to a passenger compartment of an automobile for supplying the compartment with purified air. A sensor is provided behind the radiator of the automobile and contacted by the air displaced therethrough by a fan, the sensor detecting contaminant levels in the external air before it is admitted to the chemisorption filter, for controlling the on/off operation of the air purifier.
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