| 摘要 |
<p>A turbine wheel for a turbine engine, the wheel comprising a disk carrying blades (14'') including internal channels for passing a flow of cooling air, each blade having a platform (16) carrying an airfoil (15) and connected by a tang (17) to a root (13), the blade roots being engaged in grooves in the periphery of the disk and their tangs defining between them spaces for housing sealing and damping members (18'), which co-operate with the inside faces of the platforms to define air flow cavities, wherein the tangs of at least some of the blades include cooling air outlet orifices that open out both into internal channels in the blades and into the above-mentioned cavities.</p> |
