Title:
GAS TURBINE ENGINE COMPONENT WITH CONVERGING/DIVERGING COOLING PASSAGE
Document Type and Number:
WIPO Patent Application WO/2013/123008
Kind Code:
A8
Abstract:
A component for a gas turbine engine includes a gas path wall having a first surface and a second surface and a cooling hole extending through the gas path wall from the first surface to the second surface. The cooling hole includes an inlet portion having an inlet at the first surface, an outlet portion having an outlet at the second surface, and a transition defined between the inlet and the outlet. The inlet portion converges in a first direction from the inlet to the transition and diverges in a second direction from the inlet to the transition. The outlet portion diverges at least in one of the first and second directions from the transition to the outlet.
Inventors:
XU JINQUAN (US)
LEVASSEUR GLENN (US)
LEVASSEUR GLENN (US)
Application Number:
PCT/US2013/025881
Publication Date:
September 04, 2014
Filing Date:
February 13, 2013
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORP (US)
International Classes:
F02C7/00; F01D25/08; F02C7/12; F02C9/00
Attorney, Agent or Firm:
NELSON, Stuart et al. (P.A.312 So. Third St, Minneapolis MN, US)
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