SCREW BLOWER AIRCRAFT GAS TURBINE ENGINE Russian patent published in 2009 - IPC F02K3/06 F01D15/10 

FIELD: engines and pumps.

SUBSTANCE: screw blower aircraft gas turbine engine comprises turbo compressor with a housing, compressor, combustion chamber with its outlet communicating, via gas channel, with the turbine, and a screw-type blower linked up with the turbine via a magnetic coupling. The said magnetic coupling comprises a driving half-coupling arranged in the turbine, for example, on its vanes and driven half-coupling mounted on the compressor housing. The two-cascade turbo compressor allows rotating the cascades in opposite directions. The two-stage screw blower includes the front and rear stage arranged to revolve in opposite directions.

EFFECT: higher efficiency and reliability.

2 cl, 3 dwg