CPC F04D 29/665 (2013.01) [F04D 29/522 (2013.01); F04D 29/526 (2013.01); F05D 2220/323 (2013.01); F05D 2230/30 (2013.01)] | 17 Claims |
1. A fan casing for an aircraft turbomachine, said fan casing comprising a one-piece annular body, said one-piece annular body comprising a radially internal annular surface, a first annular portion of which is made of an abradable material, wherein a second annular portion of said internal surface comprises blind holes conferring acoustic properties to said second annular portion, the second annular portion and the body forming a monolithic piece.
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