| 摘要 |
<p>The invention relates to a device for rotating a gas upstream of a compressor wheel, mounted so as to rotate about an axis. According to the invention, the device includes a pipe 10 for guiding the gas, the pipe being defined by a pair of parallel planar walls and by two divergent planar walls 20, 22 the downstream edges of which are joined together by a portion of cylindrical wall the axis Y-Y of which is parallel to the plane containing the axis of rotation of the compressor wheel, the outlet orifice of the guide pipe connected to the inlet of the compressor wheel being a circular hole formed in one of the two parallel planar walls and centred substantially on the axis Y-Y of the portion of cylindrical wall, and it includes a flap 40 mounted so as to pivot between the parallel planar walls about an axis of pivoting which is parallel to the axis Y-Y of the portion of cylindrical wall, and means for controlling the pivoting of the flap 40. <IMAGE></p> |
