| 摘要 |
An engine for an aerospace plane has an inlet in association with which a core member is provided to render the inlet annular. The inlet leads into a combustion chamber and an outlet. The core member houses a rocket engine which, in use, induces ambient air to flow into the inlet at low and even zero speed, thus allowing the combustion chamber and outlet to be operated as a ram jet engine at low and even zero speed. By way of development, the core member houses oxygen liquification means adapted to capture ambient air and to liquify and separate oxygen therefrom. The oxygen is used in the rocket engine and allows the mass of on-board oxygen at take-off to be reduced. This increases the potential payload.
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