FIELD: transport.
SUBSTANCE: system of air channels comprises at least one vent channel (1) in the roof that has partial vent channel (2) for hot air and partial vent channel (3) for cold air. Separating element (4) located inside vent channel (1) can be deformed and kept to move increasing cross section area of every of both vent channels (2 or 3) in decreasing that of the other vent channel (3, respectively, 2). Aforesaid variations in cross section areas are provided by selecting appropriate air pressure-to-flow volume ratio with no power supply. Note here that said separating element (4) represents an air impermeable separating wall from knitted fabric.
EFFECT: optimum flow rates, reduced noise and air channel space.
9 cl, 6 dwg
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Authors
Dates
2010-01-27—Published
2006-06-13—Filed