Flow of cooling air to a thermal clearance control system in a gas turbine engine is selectably scheduled between a normal power level versus clearance schedule and an increased efficiency cruising schedule. Selection of the cruising schedule is accompanied by a limitation on the rate of engine power increase during the period when the cruise schedule is selected.
申请公布号
US5090193(A)
申请公布日期
1992.02.25
申请号
US19890370434
申请日期
1989.06.23
申请人
UNITED TECHNOLOGIES CORPORATION
发明人
SCHWARZ, FRED M.;CRAWLEY, JR., CLIFTON J.;RAUSEO, ANTHONY F.;LAGUEUX, KEN R.