发明名称 VIBRATION DAMPER DEVICE FOR TURBOMACHINE BLADE ATTACHMENTS, ASSOCIATED TURBOMACHINE AND ASSOCIATED ENGINES
摘要 <p>A vibration-damping device for a turbomachine blade including a blade root configured to be inserted into a pocket of a carrier disk of a bladed wheel, the device configured to be positioned between the blade root and a retaining wall of the pocket. The device includes at least one shim including an assembly of layers of rigid materials and of viscoelastic materials, and including two portions, each forming a lateral branch which can be inserted along one of the two retaining walls, the two lateral branches being connected to one another, so as to constitute a single part, by a third portion forming a shim bottom of rigid material. At least one layer of viscoelastic material is positioned between two layers of rigid materials.</p>
申请公布号 EP2324205(B1) 申请公布日期 2012.03.21
申请号 EP20090804573 申请日期 2009.08.05
申请人 SNECMA 发明人 FABRE, ADRIEN, JACQUES, PHILIPPE
分类号 F01D5/30;F04D29/32 主分类号 F01D5/30
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