| 摘要 |
A variable vane pack (200) includes an inner platform (134), an outer platform (132), radially outward of the inner platform (134), a plurality of vanes (130,220) connecting the inner platform (134) to the outer platform (132), wherein the outer platform (132) comprises a platform body and an impingement plate (230), the impingement plate (230) having a radially inward impingement plate (230), a radially outward pressure distribution plate (221), and an impingement plenum (231) defined between the radially inward impingement plate (230) and the radially outward pressure distribution plate (221). |
