发明名称 UPPER BIFI FRAME FOR A GAS TURBINE ENGINE AND METHODS THEREFOR
摘要 An upper bifi frame for preventing air leakage in a gas turbine engine including an engine casing and a fan case is provided. The upper bifi frame includes a forward fairing having a forward fairing midsection extending between the engine casing and the fan case. The forward fairing has a forward fairing first end including a flange configured to couple to the engine casing. The forward fairing has a forward fairing second end extending from the forward fairing midsection and configured to couple to the fan case. At least one aft seal is secured to the forward fairing and forms a seal therewith. A wedge seal is coupled to the forward fairing and the at least one aft seal and is operative to prevent air leakage to a pylon that is secured to the engine casing.
申请公布号 US2016207632(A1) 申请公布日期 2016.07.21
申请号 US201514599022 申请日期 2015.01.16
申请人 United Technologies Corporation 发明人 Rios Joseph;Ditomasso John C.
分类号 B64D29/06;F02C7/28;B64F5/00;B64D27/12;B64D27/26 主分类号 B64D29/06
代理机构 代理人
主权项 1. An upper bifi frame for preventing air leakage in a gas turbine engine including an engine casing and a fan case, the upper bifi frame comprising: a forward fairing having a forward fairing midsection extending between the engine casing and the fan case, the forward fairing having a forward fairing first end including a flange configured to couple to the engine casing, the forward fairing having a forward fairing second end extending from the forward fairing midsection and configured to couple to the fan case; at least one aft seal secured to the forward fairing and forming a seal therewith; and a wedge seal coupled to the forward fairing and the at least one aft seal and operative to prevent air leakage to a pylon that is secured to the engine casing.
地址 Farmington CT US