22-09-2022 дата публикации
Номер: US20220297500A1
Принадлежит:
An air treatment system is described, for a closable room of a vehicle, comprising: an air conditioning device provided with a fan and connectable to the room; an inlet opening for outside air, connected to the air conditioning device; a filtration device for filtering the outside air entering from the inlet opening; a recirculation port; a valve assembly provided with a shutter member, interposed between the inlet opening, the recirculation port and the air conditioning device and movable between a plurality of operating positions, in which it varies the shares of air coming from the inlet opening and the recirculation port; and a control unit to adjust the operating position of the shutter member so as to control the shares of air being drawn from the inlet opening and from the recirculation port and to maintain a predetermined value of overpressure in the room with respect to the outside. 1112311. Air treatment system ( , ′) for a closable room () of a vehicle () , in particular for a cabin of the vehicle itself , said system ( , ′) comprising:{'b': 5', '2, 'a box () closed outwardly and connectable to said room ();'}{'b': 6', '5', '7', '2', '8', '2, 'an air conditioning device () located inside said box (), provided with at least one fan () and connectable to said room () by means of at least one supply duct () for supplying conditioned and pressurized air to the room () itself;'}{'b': 9', '5', '6, 'at least a first inlet opening () for external air, obtained in said box () and connected to said air conditioning device ();'}{'b': 11', '5', '9', '6, 'at least a first filtration device () carried by said box () and located at or near to said first inlet opening () to filter external air before it reaches said air conditioning device ();'}{'b': 15', '15', '2', '6, 'at least one recirculation port (, ′) to allow in use recirculation of air present in said room () to said air conditioning device (); and'}{'b': 16', '6, 'a valve assembly () for controlling at least ...
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