GAS TURBINE ENGINE SEALING DEVICE Russian patent published in 2000 - IPC

FIELD: aircraft industry; engines. SUBSTANCE: sealing device has labyrinth with sealing collars and mating flange and deflector. The latter from slot channel connected at inlet with cooling air supply space. Slot channel at its outlet is connected with engine flow section. Flange is provided with C-shaped ring axial projection straddling the mating element of deflector for orientation of air getting out slot channel in direction of working medium flow in engine flow section. EFFECT: increased economy of gas turbine engine owing to provision of minimum radial clearance by way of organization of cooling air ejecting during operation of engine. 2 dwg