A gas turbine engine intake duct 30, 80, 100 having an internal duct surface 54 comprising a main region 60, 82 having a particular finish and a secondary region 62, 84, 102 having a different finish.;To be accompanied when published by FIG. 2.
申请公布号
US2016177824(A1)
申请公布日期
2016.06.23
申请号
US201514950804
申请日期
2015.11.24
申请人
ROLLS-ROYCE plc
发明人
PONTON Anthony John Charles;WARNES Gordon David
分类号
F02C7/052
主分类号
F02C7/052
代理机构
代理人
主权项
1. A gas turbine engine intake duct having an internal duct surface comprising a main region having a particular finish and a secondary region having a different finish.
