HYPERSONIC RAMJET ENGINE Russian patent published in 2015 - IPC F02K7/10 

FIELD: engines and pumps.

SUBSTANCE: air intake, combustion chamber and nozzle make the engine gas circuit. Laser radiation source can generate radiation in preset frequency resonant with that of the line of molecular oxygen absorption from the main electron state to excited metastable state. Fuel feed device is composed of a vertical set of pylons and arranged across said engine circuit. Optical system is arranged in said circuit downstream of fuel feed device and comprises at least one pair of opposed radiation reflectors to make radiation scanning zone there between. Laser source feed waveguide is arranged at one of said reflectors. Fuel feed device is arranged in air intake path. Every pylon accommodate fuel channel, buffer fuel tank and injector nozzle, all being hydraulically communicated. Fuel feed pressure control valve is connected by lines with fuel channels of every pylon. Pairs of optical system radiation reflectors are arranged downstream of injector nozzles of one or several pylons to make separate scanning zones. Bottom boundary of every scanning zone is located above top rear edge of injector nozzle of appropriate pylon and directed therefrom toward combustion chamber with scanning zone defined in claimed item of this invention.

EFFECT: decreased delay and firing temperature, higher completeness of air-fuel mix.

6 cl, 13 dwg