发明名称 MID TURBINE FRAME (MTF) FOR A GAS TURBINE ENGINE
摘要 A mid-turbine frame for a gas turbine engine includes a CMC outer ring, a CMC inner ring, and a multiple of CMC airfoils between the CMC outer ring and the CMC inner ring. Each of the CMC airfoils includes at least one hollow tube and a shell of a multiple of CMC plies surrounding the hollow tube. The hollow tube reinforces the shell. A spring biased tie-rod assembly is mounted through at least one of the multiple of CMC airfoils.
申请公布号 US2015377067(A1) 申请公布日期 2015.12.31
申请号 US201514847363 申请日期 2015.09.08
申请人 United Technologies Corporation 发明人 McCaffrey Michael G.
分类号 F01D25/24 主分类号 F01D25/24
代理机构 代理人
主权项 1. A mid-turbine frame for a gas turbine engine comprising: a CMC outer ring; a CMC inner ring; a multiple of CMC airfoils between said CMC outer ring and said CMC inner ring, each of said CMC airfoils including at least one hollow tube and a shell of a multiple of CMC plies surrounding said hollow tube, said hollow tube reinforcing said shell; and a spring biased tie-rod assembly mounted through at least one of said multiple of CMC airfoils.
地址 Hartford CT US