| 摘要 |
<p>A blade outer air seal (BOAS) casting core (200) has first and second end portions (202, 204) and a plurality of legs. Of these legs, first legs (210, 214, 218) each have: a proximal end joining the first end portion; a main body portion; and a free distal portion. Second legs (212, 216, 220) each have: a proximal end joining the second end portion; a main body portion; and a free distal portion. Diverging branches (242, 243) are provided for forming diverging outlet passages in a blade outer air seal segment cast from the core.</p> |
