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    • 1. 发明专利
    • Improvement of cooling circuit of gas turbine blade
    • 气体涡轮叶片冷却电路的改进
    • JP2003074303A
    • 2003-03-12
    • JP2002241494
    • 2002-08-22
    • Snecma Moteursスネクマ・モトウール
    • BOURRIAUD ISABELLEENEAU PATRICEPICOT PHILIPPE
    • F01D5/18
    • F01D5/186F01D5/187F05D2260/2212Y02T50/67Y02T50/676
    • PROBLEM TO BE SOLVED: To improve a gas turbine blade for an aircraft engine and provide a cooling circuit of the blade. SOLUTION: The blade 1 comprises: at least a first cooling circuit A provided with at least one recess side cavity 2 extending, near a recess surface 1a of the blade, in a radial direction; at least a second cooling circuit B separated from the first cooling circuit A and provided with at least one projection side cavity 4 extending, near a projection surface of the blade, in the radial direction; and at least a third cooling circuit C separated from the first and second cooling circuits. The third cooling circuit C comprises: at least one center cavity 6 arranged to a center part between the recess side cavity 2 and the projection side cavity 4, of the blade; at least one leading edge cavity 8 arranged near a front end 1c of the blade; a communication orifice opening to the center cavity and the leading edge cavity; and an outlet orifice opening to an inside of the leading edge cavity via the front end 1c of the blade.
    • 要解决的问题:改进用于飞机发动机的燃气轮机叶片并提供叶片的冷却回路。 解决方案:刀片1包括:至少第一冷却回路A,其具有在径向方向上在刀片的凹槽表面1a附近延伸的至少一个凹槽侧空腔2; 至少第二冷却回路B与第一冷却回路A分离,并且设置有在径向方向上在叶片的突出表面附近延伸的至少一个突出侧空腔4; 以及与第一和第二冷却回路分离的至少第三冷却回路C. 第三冷却回路C包括:至少一个中心腔6,布置在叶片的凹入侧空腔2和突出侧腔4之间的中心部分; 至少一个前缘腔8布置在刀片的前端1c附近; 连通孔,通向中心腔和前缘腔; 以及通过叶片的前端1c通向前缘腔的内部的出口孔。
    • 2. 发明专利
    • Cooling circuit for gas turbine blade
    • 用于气体涡轮叶片的冷却电路
    • JP2003074304A
    • 2003-03-12
    • JP2002241495
    • 2002-08-22
    • Snecma Moteursスネクマ・モトウール
    • ENEAU PATRICEPICOT PHILIPPE
    • F01D5/18
    • F01D5/187F01D5/186F05D2260/2212Y02T50/676
    • PROBLEM TO BE SOLVED: To provide a gas turbine blade for aircraft engine in which a cooling circuit is improved. SOLUTION: At least a first center cooling circuit A is provided at a center part. The first cooling circuit comprises: first and second cavities 2, 4 extending in a radial direction to a recess side 1a of the blade 1; at least one cavity 6 extending to a projection side 1b of the blade; an intake opening 8 at one radial direction end of the first cavity 2 at the recess side for supplying a cooling air to the first center cooling circuit A; a first passage 10 for making the other radial direction end of the first cavity 2 at the recess side communicate with a radial direction end adjacent to the cavity 6 at the projection side; a second passage 12 for making the other radial direction end of the cavity at the projection side communicate with a radial direction end adjacent to the second cavity 4 at the recess side; and an outlet orifice opening to the second cavity at the recess side via a recess surface 1a of the blade.
    • 要解决的问题:提供一种用于飞机发动机的燃气轮机叶片,其中冷却回路得到改善。 解决方案:至少第一中心冷却回路A设置在中心部分。 第一冷却回路包括:沿半径方向延伸到叶片1的凹入侧1a的第一和第二空腔2,4; 至少一个延伸到叶片的突出侧1b的空腔6; 在第一空腔2的一个径向端部处的凹部侧的进气口8,用于向第一中心冷却回路A供给冷却空气; 用于使第一空腔2的另一个径向端在凹槽侧的第一通道10与在突出侧与空腔6相邻的径向端连通; 在凹部侧使空腔的另一个径向端部的第二通道12与凹部侧的与第二空腔4相邻的径向端部连通; 以及通过所述叶片的凹部表面1a在所述凹部侧通向所述第二腔的出口孔。