| US 7,553,128 B2 | ||
| Blade outer air seals | ||
| William Abdel-Messeh, Middletown, Conn. (US); and Jesse R. Christophel, Manchester, Conn. (US) | ||
| Assigned to United Technologies Corporation, Hartford, Conn. (US) | ||
| Filed on Oct. 12, 2006, as Appl. No. 11/580,171. | ||
| Prior Publication US 2008/0089787 A1, Apr. 17, 2008 | ||
| Int. Cl. F01D 9/00 (2006.01) | ||
| U.S. Cl. 415—173.1 [415/116; 415/139; 415/213.1] | 20 Claims |
| 1. A blade outer air seal comprising:
a body having an inner diameter (ID) face and an outer diameter (OD) face, first and second circumferential ends, fore and
aft longitudinal ends and a plurality of cooling passageways; and
one or more mounting hooks, wherein:
the OD face comprises a plurality of transversely elongate protuberances including, rearwardly divergent first protuberances
and forwardly divergent second protuberances.
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