发明名称 |
HOLLOW FAN BLADE FOR TURBINE ENGINE AND METHOD OF MANUFACTURING SUCH A BLADE |
摘要 |
The invention relates to a method of manufacturing a single-piece hollow fan blade for turbine engines comprising a foot (2) extended by a rotor blade (4) in a radial direction, the method comprising the following stages: - making via forging of a single-piece fan blade (1) with a plurality of inserts; and - eliminating of the inserts so as to obtain a plurality of recesses (16) in this blade. The invention also relates to such a blade (1) fitted with a plurality of recesses (16) each extending substantially and radially along a curved central line (18).
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申请公布号 |
CA2467839(A1) |
申请公布日期 |
2004.11.27 |
申请号 |
CA20042467839 |
申请日期 |
2004.05.19 |
申请人 |
SNECMA MOTEURS |
发明人 |
FRANCHET, JEAN-MICHEL PATRICK MAURICE;LHOMME, DANIEL GASTON;LORIEUX, ALAIN;DESPREAUX, JEAN-LOUIS;LEVEQUE, STEPHANE ANDRE |
分类号 |
F04D29/38;B21J5/00;B21K3/04;B23P15/02;F01D5/14;F01D5/18;(IPC1-7):F01D5/18 |
主分类号 |
F04D29/38 |
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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