HIGH-SPEED TURBOMACHINE Russian patent published in 2003 - IPC

FIELD: refrigerating or compressor facilities. SUBSTANCE: proposed caseless machine contains shaft with sliding bearing unit with at least one blade stage, and thin-walled shell installed with clearance relative to guide-vane assembly and bearing unit and forming gas manifold with guidevane assembly, and oil- feed manifold with bearing unit. Sliding bearing unit is installed to play part of all power ties of turbomachine. Thin- walled shell is hermetically connected with working members of blade stage and bearing unit by means of flexible members. Shaft is made with rectilinear profile of longitudinal section on section of arrangement of sliding bearing unit. Labyrinth seal, guidevane assembly and cover cheek of blade of blade stage are rigidly fastened on bearing unit. Thin walled shell is made of elastic material. Invention makes it possible to dispense with fastening power ties, prevent deformations and improve manufacturability. EFFECT: improved technology of manufacture. 4 cl, 1 dwg