发明授权
- 专利标题: Aircraft engine annular shroud comprising an opening for the insertion of blades
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申请号: US14112071申请日: 2012-05-03
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公开(公告)号: US09879549B2公开(公告)日: 2018-01-30
- 发明人: Laurent Gilles Dezouche
- 申请人: Laurent Gilles Dezouche
- 申请人地址: FR Paris
- 专利权人: SNECMA
- 当前专利权人: SNECMA
- 当前专利权人地址: FR Paris
- 代理机构: Pillsbury Winthrop Shaw Pittman LLP
- 优先权: FR1153970 20110509
- 国际申请: PCT/FR2012/050980 WO 20120503
- 国际公布: WO2012/153037 WO 20121115
- 主分类号: F01D5/22
- IPC分类号: F01D5/22 ; F01D9/04 ; F01D25/24 ; F04D29/54 ; F04D29/64
摘要:
An aircraft engine annular shroud includes, on its internal surface, a peripheral annular groove able to accept a plurality of blade roots; an insertion opening for inserting the blade roots into the annular groove; and a closure device for closing off the insertion opening.
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