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2. 发明申请

WO2003036048A1 HIGH PRESSURE TURBINE BLADE COOLING SCOOP 审中-公开
标题翻译：高压涡轮叶片冷却机
公开(公告)号：WO2003036048A1
公开(公告)日：2003-05-01
申请号：PCT/CA2002/001575
申请日：2002-10-18
申请人： PRATT & WHITNEY CANADA CORP.
发明人： ROMANI, Giuseppe
IPC分类号： F01D5/08
CPC分类号： F01D5/081 , F01D25/12 , F05D2250/322 , F05D2250/51 , Y02T50/671 , Y02T50/676
摘要： A turbine blade cooling system for use in a gas turbine engine are provided. The turbine blade (9) has a root portion (18) adapted for mounting to a rotor (10), and an airfoil portion extending from the root portion. A cooling air inlet duct (19) is provided and adapted to communicate with the cooling air plenum (20) when installed to the rotor. The air inlet duct has an inlet scoop portion (21) adapted to extend into the cooling air plenum (20) and an inlet scoop aperture (21) oriented and adapted to capture cooling air from the cooling air plenum as a consequence of turbine rotation when the blade is mounted to the rotor. Scooped air is provided to a cooling air channel (23) defined in an airfoil portion of the blade for the purpose of cooling the blade. The engine optionally includes a bearing gallery cooling air jacket in communication with the low pressure compressor stage for the purpose of cooling.
摘要翻译：提供了一种用于燃气涡轮发动机的涡轮叶片冷却系统。涡轮叶片（9）具有适于安装到转子（10）的根部（18）和从根部延伸的翼型部分。设置冷却空气入口管道（19）并且适于在安装到转子时与冷却空气室（20）连通。空气入口管道具有适于延伸进入冷却空气通风室（20）的入口勺部分（21）和定向并适合于作为涡轮机旋转的结果从冷却空气通风室捕获冷却空气的入口勺孔（21）叶片安装到转子上。舀起的空气被提供到限定在叶片的翼型部分中的冷却空气通道（23），用于冷却叶片。发动机可选地包括用于冷却目的的与低压压缩机级连通的轴承座冷却空气套。

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