An inlet for an aircraft, missile or other high speed airborne mobile platform, to receive intake air and compress the intake air for delivery to an engine of the mobile platform. The inlet has an array of inlet elements placed in side-by-side arrangement. Each inlet element has a passage for delive
An inlet for an aircraft, missile or other high speed airborne mobile platform, to receive intake air and compress the intake air for delivery to an engine of the mobile platform. The inlet has an array of inlet elements placed in side-by-side arrangement. Each inlet element has a passage for delivery of intake air. The array provides for compact volume and effective aerodynamic performance. The inlet may be mounted for rotation to start the inlet when at a supersonic speed. The inlet is shorter in length than traditional inlets and can be integrated into a wider variety of airframes, or at locations on existing airframes that would be difficult or impossible to integrate a traditional inlet on.
대표청구항▼
1. An air induction system for an aircraft, the air induction system adapted to receive an adjustable quantity of engine intake air, the system comprising: an inlet having a plurality of contiguously arranged but independent flow passages, arranged in rows and columns, that each receive a flow of in
1. An air induction system for an aircraft, the air induction system adapted to receive an adjustable quantity of engine intake air, the system comprising: an inlet having a plurality of contiguously arranged but independent flow passages, arranged in rows and columns, that each receive a flow of intake air and cooperatively form the inlet;first ends of the flow passages forming a front face of the inlet, the front face facing generally in a forward direction relative to the aircraft and defining a frontal area; andthe front face being moveably supported relative to the aircraft to effectively vary said frontal area of the inlet as seen by a stream of air moving into the front face of the inlet. 2. The system of claim 1, further comprising a mount for movably supporting the front face of the inlet relative to the aircraft. 3. The system of claim 2, wherein the mount comprises a structure that enables the front face of the inlet to be pivoted between first and second positions to vary said frontal area of the inlet. 4. The system of claim 1, wherein said mount enables the inlet to be selectively moved between a first position wherein the front face has a first frontal area, and a second position wherein the front face has a second frontal area that is smaller than the first frontal area, such that the inlet at its second position is capable of receiving a smaller quantity of intake air than when the inlet is at its first position. 5. The system of claim 1, wherein each said flow passage comprises a caret shape. 6. The system of claim 1, wherein each said flow passage comprises a non-uniform internal cross sectional area designed to compress said intake air flowing thereinto. 7. The system of claim 1, wherein the front face comprises a generally planar shape. 8. The system of claim 1, wherein a leading edge of each said flow passage is constructed as a waverider to generate a planar shock wave in a plane of the front face as said intake air reaches said leading edge. 9. The system of claim 1, wherein said front face is swept rearwardly relative to said aircraft. 10. The system of claim 1, wherein the front face of the inlet is oriented at an oblique angle with respect to a forward direction of the aircraft, and at an oblique angle with respect to the vertical direction. 11. The system of claim 1, further comprising the aircraft in combination with the system, the aircraft further including: an airframe structure;an engine; andthe inlet positioned on the airframe structure adjacent the engine for directing an airflow into the engine during flight of the aircraft. 12. An air induction system for an aircraft, the air induction system adapted to receive an adjustable quantity of engine intake air, the system comprising: an inlet having a plurality of contiguously arranged but independent flow passages, that form a grid of flow passages, that each receive a flow of intake air and cooperatively form the inlet;first ends of the flow passages forming a front face of the inlet, the front face facing generally in a forward direction relative to the aircraft and defining a frontal area;the flow passages each including a caret shape; andthe front face being moveably supported relative to the aircraft to effectively vary said frontal area of the inlet as seen by a stream of air moving into the front face of the inlet. 13. An air induction system for an aircraft, the air induction system adapted to receive an adjustable quantity of engine intake air, the system comprising: an inlet having a plurality of contiguously arranged but independent flow passages, that each receive a flow of intake air and cooperatively form the inlet;a forward end of each of the flow passages cooperatively forming a planar front face of the inlet, the front face facing generally in a forward direction relative to the aircraft and defining a frontal area, and the each of the flow passages terminating in a rearward end;the flow passages each further being formed to have a caret cross-sectional shape and to operate to compress a portion of the flow of intake air ingested therein at an intermediate point between the forward end and the rearward end, and further to turn the flow of intake air ingested therein before the flow of intake air exits the rearward end; andthe front face being moveably supported relative to the aircraft to effectively vary said frontal area of the inlet as seen by a stream of air moving into the front face of the inlet.
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