AXIAL THREE-DIMESIONAL MACHINE, GAS-TURBINE ENGINE AND AIRCRAFT GAS-TURBINE ENGINE (VERSIONS) Russian patent published in 2011 - IPC F01D1/38 F02K5/00 

FIELD: engines and pumps.

SUBSTANCE: axial three-dimensional machine includes input located at one axis with output and at a distance upstream, core unit that includes internal main part located inside external main part. Internal and external main parts extend from input to output. Note that internal and external main parts have shifted inner and outer axes correspondingly. At least one of internal and external parts can be rotated about one of inner and outer axes correspondingly. Internal and external main parts have intercrossing inner and outer screw-type blades. The axes of screw-type surfaces are inner and outer axes correspondingly. Inner and outer screw-type blades are located radially on inner and outer sides correspondingly. Inner screw-type blades are located radially from inner hub of internal main part towards outer side. Core unit has first, second and third sections that are located sequentially downstream between input and output. Inner and outer screw-type blades have first, second and third pitch angles in first, second and third sections correspondingly. First pitch angles are smaller than second pitch angles, and third pitch angles are smaller than second pitch angles. Combustion section goes downwards along axis through at least some part of second section.

EFFECT: decrease of manufacturing, installation, modernisation, repair and replacement cost of axial three-dimensional machine.

10 cl, 12 dwg