Turbofan provided with a fastening assembly arranged on a fan casing
AssigneeSafran Aircraft Engines
InventorsYasser Aktir, Charles Cailliez-Tomasi
Life of this patent
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Abstract
A turbofan including a fan, at least one annular casing surrounding the fan and elements being fastened to an outer surface of the casing via a fastening assembly, the elements including a first elastic member arranged for urging the first end of the support away from the casing, and a first return member (27) arranged for resiliently urging the first end towards the casing, and a second elastic member (25) arranged for urging the second end of the support away from the casing, and a second return member (29) arranged for resiliently urging the second end towards the casing.
Claims7
A turbofan (1) comprising:
- a fan (2),
- at least one annular casing (11) surrounding said fan (2), and
- elements (15, 17) being fastened on an outer surface (13) of the casing (11) via a fastening assembly comprising:
- at least one support (19) extending substantially parallel to an axial direction (X) of the turbofan, each support (19) comprising a first end (31) and a second end (33) which are spaced axially apart from each other,
- a plurality of attachment members (21), each attachment member (21) ensuring the fastening of one of the elements (15, 17) to the support (19),
- characterized in that the fastening assembly further comprises:
- a first elastic member (23) arranged for urging the first end (31) of the support (19) away from the casing (11), and a first return member (27) arranged for resiliently urging the first end (31) towards the casing (11), and
- a second elastic member (25) arranged for urging the second end (33) of the support (19) away from the casing (11), and a second return member (29) arranged for resiliently urging the second end (33) towards the casing (11);
- wherein the elements (15, 17) comprise hydraulic pipes (17) for carrying a pressurized liquid, and/or a compressed-air starter air duct (15) for the turbofan (1), connected to a pneumatic starter air valve.
Dependencies are inferred from the claim text.