B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/341, 98/7
B01D 53/34 (2006.01) B60H 3/06 (2006.01)
Patent
CA 1179480
ABSTRACT OF THE DISCLOSURE The invention relates to a method and an apparatus for cleaning air supplied to an operator-protection or motor-vehicle cabin, the apparatus including at least one filter comprising an air-permeable carrier material, on and/or in which there are chemisorption and/or catalyst compounds. It is the purpose of the invention to provide a method and an apparatus which will afford simple and effective cleaning of the air supplied and, at the same time, long service-lives for the chemisorption and/or catalyst compounds used, and thus for the filter also. Thus some or all of the air to be cleaned is heated before being passed to the filter or filters. The apparatus comprises one or more heating devices arranged in the path of the complete or partial flow of air to be cleaned and in front of the filter or filters. The filter device may be switched on under congested traffic or smog conditions, thus partly or wholly eliminating the conventional ventilation. The chemisorption filter may be switched out of the inflow, to allow the filter to be flushed with air.
368413
Fetherstonhaugh & Co.
Holter Heinz
LandOfFree
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