Ventilation arrangement for the interior of a vehicle, in partic

Details Ventilation arrangement for the interior of a vehicle, in partic Ventilation arrangement for the interior of a vehicle, in partic

1992-02-21

1993-10-26

Joyce, Harold

Ventilation

Vehicle

Having forced recirculation

55524, 454158, B60H 306

Patent

active

052561038

ABSTRACT:
A ventilation arrangement for the interior of a motor vehicle, having at least a heating or air-conditioning unit. The ventilation arrangement has a fan for air exchange in the interior and a filter for the adsorption of odorous and/or harmful substances contained in the air stream. The filter is designed so that, for the widest possible spectrum of odorous and/or harmful substances, a filter effect is produced which is based on rapid adsorption of the odorous and harmful substances and a gradual desorption thereof with a long time delay. A high short-term concentration of the odorous and/or harmful substances is thus converted by the filter into an extremely low but, instead, long-lasting emission which, with sufficiently extensive dilution, remains below a preset odor threshold or nuisance threshold.

REFERENCES:
patent: 3870495 (1975-03-01), Dixson et al.
patent: 4007875 (1977-02-01), Frolz et al.
patent: 4551304 (1985-11-01), Holzer et al.
patent: 4610703 (1986-09-01), Kowalczyk
patent: 4981501 (1991-01-01), Von Blucher et al.
patent: 5004487 (1991-04-01), Kowalczyk

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