| 摘要 |
A valve for selectively diverting a gas flow between a first duct 9 and a pair of second ducts 12A,12B intersecting the first is formed by a pair of diverter doors 19A,19B. The diverter doors can be moved between a first position where they each block one of the second ducts to a second position as shown where they cooperate to block the first duct and present a convex surface to the gas flow to divert it into the second ducts. The valve may be provided on a gas turbine engine to direct the gas flow to vector nozzles.
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