Fresh-air supply for a vehicle

For the purpose of avoiding a disadvantageous influence on the life of a chemically active absorption filter (7), which is arranged in a flow path (6) of an air supply which contains at least one further flow path (5), a change-over flap (9), which is provided for the alternate connection of these t...

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Bibliographische Detailangaben
1. Verfasser:	ROHLFING,HANS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	For the purpose of avoiding a disadvantageous influence on the life of a chemically active absorption filter (7), which is arranged in a flow path (6) of an air supply which contains at least one further flow path (5), a change-over flap (9), which is provided for the alternate connection of these two flow paths (5, 6), is assigned a timing element (12) which, after the expiry of a predetermined time after moving the change-over flap (9) into its position which connects the absorption filter (7), causes the change-over flap (9) to return into its original position (9') again which disconnects the filter (7).