FIELD: mechanical engineering; gas-turbine engines. SUBSTANCE: proposed gas-turbine engine has two coupled turbines installed on parallel shafts. Each turbine is made in form of set of flat-wall disks rigidly secured on shaft and provided with radial cavities over circumference. Turbine disks relatively get into disk spaces being mated by their circumferential surfaces with circumferential surfaces of bushings. Each turbine is furnished with removable locks installed between outlet port and combustion chamber. Removable locks are made in form of pack of plates with gaps in between and are secured on housing by common bases. Profiles of locks are of inverse configuration as compared with disk profiles and turbine space profiles and locks get freely between disk. Inner circumferential surfaces of both locks are mated with circumferential surfaces of inter-disk bushing. Circumferential surfaces of projections are mated with circumferential surfaces of gaps between plates. EFFECT: reduced overall dimensions of gas-turbine engine. 5 dwg
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