EXHAUST CASING HUB COMPRISING STRESS-DISTRIBUTING RIBS

An exhaust casing hub comprises a hub center (6), and an upstream flange (8) and a downstream flange (10) arranged on either side of the hub center. Each flange is terminated by a rim (12). A plurality of cuffs (14) are arranged on the hub center (6) so as to form an angle from the tangent toward th...

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Bibliographische Detailangaben
Hauptverfasser: GASTON MARNAS LAURENT PIERRE ELYSEE, BADER VALENTINE, POMMIER NICOLAS, SCHNELL CHRISTIAN RENE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An exhaust casing hub comprises a hub center (6), and an upstream flange (8) and a downstream flange (10) arranged on either side of the hub center. Each flange is terminated by a rim (12). A plurality of cuffs (14) are arranged on the hub center (6) so as to form an angle from the tangent toward the radial direction of 10° to 80°, preferably 15° to 75°. At least one rib is formed at the base of each cuff (14) below a critical stress region (26) in the cuff. The rib is joined to the downstream flange by a downstream end and to the upstream flange by an upstream end.