United Technologies Corporation

James D Blevins

Thomas R Clements

Stephen A Beckel

Thomas Verdi

The present invention relates to a propulsion system for a vehicle. The propulsion system has an airframe integrated hydrocarbon fueled airbreathing engine, such as a ramjet or a scramjet. The propulsion system further has at least one rocket positioned so as to use the aft body contour of the vehicle directly for flow expansion. In a preferred embodiment, a plurality of rockets are arrayed across the width of the engine nozzle.

Propulsion system with integrated rocket accelerator

The pilot section of a flameholder of an augmentor for a gas turbine engine is modified to improve the ignition and stability characteristics by judiciously locating aperture(s) or slot(s) in the pilot section wherein their orientation is critical so as to create a vortical flow field.

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Palm Beach Gardens, FL, United States of America

James D Blevins