Methods and apparatus for generating gas turbine engine thrust

F - Mech Eng,Light,Heat,Weapons – 02 – K

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F02K 3/10 (2006.01) F02K 3/02 (2006.01) F02K 3/075 (2006.01) F02K 3/08 (2006.01) F02K 7/06 (2006.01) F02K 7/075 (2006.01)

Patent

CA 2452972

A pulse detonation system (12) for a gas turbine engine (10) includes a core engine (30). The pulse detonation system is downstream from the core engine and is configured to create a temperature rise and a pressure rise within the gas turbine engine and to increase engine thrust. The pulse detonation system comprises a multi-staged pulse detonation augmentor (60) that comprises a predetonator (48) operable with at least a first operating stage wherein a less-than-stoichiometric fuel- air mixture is provided to the predetonator.

Un système de détonation à impulsion (12) pour un moteur de turbine à gaz (10) comprend un moteur central (30). Le système de détonation pulsée est en aval du moteur central et est configuré de façon à créer une augmentation de température et une augmentation de la pression à l'intérieur du moteur à turbine à gaz et à augmenter la poussée du moteur. Le système de détonation pulsée comprend un renforçateur de détonation à impulsions à plusieurs étages (60) qui comprend un prédétonateur (48) pouvant être actionné avec au moins un premier étage de fonctionnement dans laquelle un mélange air-combustible sous-stoechiométrique est fourni au prédonateur.

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