发明名称 Acoustic liners
摘要 An acoustic assembly for a fan casing of a turbofan engine is made up from acoustic liner panel components which each comprise a body 2 and a backing sheet 12. The body 2 is an integral injection moulding comprising an acoustic structure 4, a perforated sheet 6 and fastening portions 8. Adjacent panel components engage each other at non-linear circumferential edges which comprise lugs 14A on one of the components which are received in recesses 14B of the other component. The lugs are defined by following cell walls 16 over a convoluted path along the circumferential edge.
申请公布号 GB2458679(B) 申请公布日期 2010.04.21
申请号 GB20080005577 申请日期 2008.03.28
申请人 ROLLS-ROYCE PLC 发明人 CEDRIC BRETT HARPER
分类号 F04D29/52;F02C7/045;F04D29/54;F04D29/66 主分类号 F04D29/52
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