公开(公告)号：US07147432B2

公开(公告)日：2006-12-12

申请号：US10720430

申请日：2003-11-24

申请人： Cedric Carlton Lowe ,  Andrew Charles Powis ,  Jonathan Philip Clarke

发明人： Cedric Carlton Lowe ,  Andrew Charles Powis ,  Jonathan Philip Clarke

IPC分类号： F01D25/12 ,  F01D25/14

CPC分类号： F01D11/08 ,  F01D9/04 ,  F01D25/12 ,  F05D2240/81 ,  F05D2260/201 ,  F05D2260/202 ,  Y02T50/676 ,  Y10S165/908

摘要： A turbine shroud assembly asymmetrical cooling element such as a shroud segment or a baffle includes an arcuate panel. The panel has a plurality of cooling apertures extending through the panel and an axially extending midline of the panel parallel to an axis of rotation of the arcuate panel. A symmetric portion of the cooling apertures have a symmetrical density of aperture inlets that is symmetric with respect to the axially extending midline. An asymmetric portion of the cooling apertures have an asymmetrical density of aperture inlets that is asymmetric with respect to the axially extending midline. One exemplary cooling element includes a high density area of the cooling apertures in the asymmetric portion having a higher density of aperture inlets than in the symmetric portion. A low density area of the cooling apertures in the asymmetric portion has a lower density of aperture inlets than in the symmetric portion of the cooling apertures.

摘要翻译： 涡轮机罩组件诸如护罩段或挡板的不对称冷却元件包括弓形面板。 面板具有延伸穿过面板的多个冷却孔，并且面板的轴向延伸的中线平行于弧形面板的旋转轴线。 冷却孔的对称部分具有相对于轴向延伸的中线对称的孔径入口的对称密度。 冷却孔的不对称部分具有相对于轴向延伸中线不对称的孔入口的不对称密度。 一个示例性的冷却元件包括不对称部分中的冷却孔的高密度区域，其具有比在对称部分中更高密度的孔入口。 不对称部分中的冷却孔的低密度区域具有比在冷却孔的对称部分中更小的孔入口密度。