发明名称 ABRADABLE RIM SEAL FOR LOW PRESSURE TURBINE STAGE
摘要 An abradable rim seal arrangement for a turbine stage of a gas turbine engine, which includes an abradable rim seat attached to a leading edge of an annular inner duct of a turbine exhaust case, causing a trailing edge platform of each rotor blade to overlap the abradable rim seal, and allowing rubbing with the trailing edge platform during engine operation.
申请公布号 US2009110548(A1) 申请公布日期 2009.04.30
申请号 US20070928512 申请日期 2007.10.30
申请人 PRATT & WHITNEY CANADA CORP. 发明人 DUROCHER ERIC;LEFEBVRE GUY
分类号 F04D29/08 主分类号 F04D29/08
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