Turbine engine moving blade with cooling circuit with double rows of discharge slots

• Main Authors: ENEAU PATRICE, SLUSARZ, MICHAEL
• Format: Patent
• Language: Chinese; English
• Published: 18.03.2022
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

The invention relates to a turbine engine moving blade (2) comprising at least one cooling circuit comprising at least one cavity (16; 16a, 16b), at least one air inlet at a radial end of the cavity, a plurality of first discharge slots (18) arranged open along the trailing edge between the root and the apex, and a plurality of second discharge slots (20) disposed along the trailing edge (14) between the root and the apex and separated from the first discharge slots, the second discharge slots (20) being axially offset upstream of the first discharge slots (18), and each first discharge slot is radially offset relative to each second discharge slot without overlapping between the first discharge slots and the second discharge slots. 本发明涉及一种涡轮发动机移动叶片(2)，包括至少一个冷却回路，该冷却回路包括在根部和顶点之间径向延伸的至少一个腔体(16；16a，16b)、在腔体的径向端部处的至少一个进气口、在根部和顶点之间沿着后缘布置为敞开的多个第一排放槽(18)、以及在根部和顶点之间沿着后缘(14)设置并且与第一排放槽分开的多个第二排放槽(20)，第二排放槽(20)在第一排放槽(18)的上游轴向地偏移，并且每个第一排放槽相对于每个第二排放槽径向地偏移，在第一排放槽和第二排放槽之间没有重叠。