发明名称 |
HYBRID IMPINGEMENT COOLED TURBINE NOZZLE |
摘要 |
A turbine nozzle for a gas turbine engine includes: (a) spaced-apart arcuate inner and outer bands (34, 32); (b) a hollow, airfoil-shaped turbine vane (30) extendi ng between the inner and outer bands, the interior of the vane (30) defining at least a forward cavity (54) and a mid-cavity (56) positioned aft of the forward cavity (54); (c) a hollo w impingement insert (60) received inside the mid-cavity (56), the impingement insert (60) having walls which are pierced with at least one impingement cooling hole; (d) a passage in the turbine vane (30) at a radially outer end of the forward cavity (54) adapted to be coupled to a source of cooling air; and (e) a passage in the inner band in fluid communication with a radially inner end of the forward cavity (54) and a radially inner end of th e impingement insert (60). |
申请公布号 |
CA2659489(A1) |
申请公布日期 |
2009.09.25 |
申请号 |
CA20092659489 |
申请日期 |
2009.03.19 |
申请人 |
GENERAL ELECTRIC COMPANY;GENERAL ELECTRIC COMPANY |
发明人 |
HOOPER, TYLER FREDERICK;FLODMAN, DAVID ALLEN;MANNING, ROBERT FRANCIS;SHAPIRO, JASON DAVID;GLEDHILL, MARK DOUGLAS |
分类号 |
F01D9/02;F01D9/06;F01D25/12 |
主分类号 |
F01D9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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