| 摘要 |
<p>Recirculation structure for turbocompressors, having an annular chamber, arranged in the area of the free blade ends of a blade ring for the most part upstream of the latter and adjoining the main flow duct, and having a plurality of guide elements, which are arranged in the annular chamber distributed over the periphery thereof and which are arranged and shaped in a manner favorable to the recirculation flow, the guide elements having recesses in the front and/or rear area, of the annular chamber. The side of the annular chamber adjoining the contour of the main flow duct is open over its axial length and over its entire periphery, the free edges of the guide elements lying on or close to the contour of the main flow duct.</p> |
