HELICAL FAN AVIATION GAS-TURBINE ENGINE Russian patent published in 2009 - IPC F02K3/06 F01D15/10 

FIELD: engines and pumps.

SUBSTANCE: helical fan gas-turbine engine comprises turbocompressor with body, compressor, combustion chamber, output of which is connected by gas track to turbine, and helical fan. Helical fan is connected with compressor via magnetic coupling, which comprises slave half-coupling installed in compressor, for instance, on its external blades and slave half-coupling installed on turbocompressor body. Compressor is arranged as double-cascade, with the possibility of cascades rotation in opposite sides. Helical fan is arranged as double-step and comprises front and back steps, which are arranged with the possibility of rotation in opposite sides. Steps of helical fan are installed inside fairing.

EFFECT: increased efficiency and reliability of aviation engine.

3 cl, 3 dwg