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BACKGROUND FOR A TURBOMAS CHINESE

机译:涡轮英语的背景

摘要

A gas turbine engine (10) has a row of fan stator vanes (18) extending radially across a flow path (20) and joined to inner and outer cases (22) and (24). A vibration damping shroud (78) includes a radially extending chamber (84) for receiving one end of each stator vane in a primary vibration damping material (86). At least one pin receiving cavity (88), independent of the chamber, contains a secondary vibration damping material (92) which slidably engages a corresponding support pin (72) extending from the adjacent case (22) to anchor the vane to the case. The independence of the chamber and the cavity enables the use of different primary and secondary materials capable of satisfying conflicting performance requirements.
机译:燃气涡轮发动机(10)具有一排风扇定子叶片(18),其沿径向跨过流动路径(20)延伸并连接到内壳和外壳(22)和(24)。减振罩(78)包括径向延伸的腔室(84),用于在主减振材料(86)中容纳每个定子叶片的一端。至少一个独立于腔室的销钉容纳腔(88)包含第二减振材料(92),该材料可滑动地接合从相邻壳体(22)延伸的相应支撑销(72),以将叶片锚固到壳体上。腔和腔的独立性使得能够使用能够满足冲突的性能要求的不同的主要和次要材料。

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