초록 ▼

A change-over arrangement for an integrated turboramjet engine has a guide ring which can be displaced in the axial direction and an annular cone which can be displaced against the guide ring. In the turbo-operation, the annular cone is in its front position and the guide ring is in its rear positio

A change-over arrangement for an integrated turboramjet engine has a guide ring which can be displaced in the axial direction and an annular cone which can be displaced against the guide ring. In the turbo-operation, the annular cone is in its front position and the guide ring is in its rear position closing off a ram air inlet duct, and in the ramjet operation, the annular cone, in its rear position, closes off the turbo-inlet duct, and the guide ring opens up the ram air inlet duct. As a result, a low-loss introduction of the air current can take place into the turbo-inlet duct or into the ram air inlet duct, without, at the same time, requiring disadvantageous enlargements of the diameter of the outer casing of the engine.

대표청구항 ▼

An integrated turboramjet engine for a hypersonic airplane having a common air inlet with a total flow through a total common inlet cross-section for the turbo-circuit and the ramjet circuit comprising: an annular turbo-inlet duct; a ram air inlet duct which concentrically surrounds this turbo-inlet

An integrated turboramjet engine for a hypersonic airplane having a common air inlet with a total flow through a total common inlet cross-section for the turbo-circuit and the ramjet circuit comprising: an annular turbo-inlet duct; a ram air inlet duct which concentrically surrounds this turbo-inlet duct and which, on its exterior side, is delimited by an engine casing; an inlet cone; and movable devices for the deflecting of the air current from the common air inlet into one of the two inlet ducts, said turbo-inlet duct and said ram air inlet duct receiving the total flow through the total common inlet cross-section; wherein the devices for the deflecting of the air current comprise a guide ring which can be displaced in the axial direction between an upstream and downstream position along the engine casing for the closing-off of the ram air duct as well as an annular cone having upstream and downstream ends, which is disposed radially inward with respect to the guide ring and can be displaced in the axial direction between an upstream and downstream position for the closing-off of the turbo-inlet duct, the contour of the guide ring forming the duct wall; wherein the engine casing, the annular cone and the inlet cone are coordinated with one another along their axial length such that the air-flow in the cross-sections from the engine casing to the annular cone and from the annular cone to the inlet cone are the same at both ends of the annular cone when the annular cone is in the upstream position.