CPC F24F 13/1413 (2013.01) [F24F 13/1426 (2013.01); B60H 2001/00728 (2013.01); F24F 2011/0002 (2013.01); F24F 2013/1433 (2013.01); F24F 2110/00 (2018.01); F24F 2140/40 (2018.01)] | 18 Claims |
1. A Fluid Flow Control System (FFCS) door assembly comprising:
a continuous belt; and
a plurality of rollers supporting the continuous belt and defining a first segment, a second segment, a third segment, and a fourth segment;
wherein:
the continuous belt includes a plurality of openings that selectively allow fluid flow to pass through the first segment, the second segment, the third segment, and the fourth segment when two openings of the plurality of openings align with the first segment, the second segment, the third segment, or the fourth segment;
the first segment aligns with a fresh air channel and a first output channel; and
the third segment aligns with a first recirculation air channel and a second output channel.
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