| 摘要 |
The vehicle heater/air condition unit is fitted with a primary distribution chamber (C1), which extends circumferentially around an axis (3) between a first closed end (7) and a second closed end (8) and forms a principal output (S11), an input (E1) and a secondary output (S12). A valve (V1), formed with primary (10) and secondary (11) blades, is mounted within the chamber in such a way that it can take up various positions around the axis to direct the flow of air as required. The valve also has an auxiliary blade (12), which extends radially in a third direction different to that of the two principal blades. The second principal blade and the auxiliary blade also extend in an axial direction on both sides of a transverse divider (19), which forms a pocket (P), with an auxiliary output (S13), which is controlled by the auxiliary blade in the third and fourth positions of the valve.
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