| 摘要 |
The invention relates to a jet propulsion system comprising a combustion chamber (3'), a nozzle (7), and Venturi-pumps, whereby the Venturi-pumps comprise an inlet (4), a suction nozzle (2) and a pump nozzle (6), and one part of the waste gas flowing out from the combustion chamber (3') is guided to the inlet of the suction nozzle (2).
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