F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/18 (2006.01) B21J 5/00 (2006.01) B21K 3/04 (2006.01) B23P 15/02 (2006.01) F01D 5/14 (2006.01)
Patent
CA 2467839
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).
Despreaux Jean-Louis
Franchet Jean-Michel Patrick Maurice
Leveque Stephane Andre
Lhomme Daniel Gaston
Lorieux Alain
Goudreau Gage Dubuc
Snecma Moteurs
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