| 摘要 |
A gas turbine engine of the type comprising a first compressor 4, a second compressor 6, a combustor 8 and turbines 10 for driving the compressors 4 and 6 is provided with an air intake 16, leading to the second compressor 6. The flow from the first compressor 4 is discharged through vectorable nozzles 12,14. The nozzles 12,14 are movable between a first position where they discharge to ambient and a second position where they register with the intake 16 and the flow from the first compressor 4 discharges to the second compressor 6.
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