F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/02 (2006.01) F02C 7/28 (2006.01)
Patent
CA 2639627
A seal assembly for a gas turbine is arranged in grooves of a rotor heat shield (4) having several bends. The assembly comprises four seal portions (11a,b to 14a,b) overlapping one another and extending in the axial, radial, and circumferential direction with respect to the turbine rotor. A holding means (15) retains the radial sections of one seal portion (13a) allowing a limited movement of said seal portion (13a) independent of another seal portion (12a). The independent movement assures contact of the individual seal portions (11a,b-14a,b) with all mating surfaces of the rotor heat shield (4) and improved sealing function regardless of displacements of the rotor heat shield and tolerances of turbine parts.
Fokine Arkadi
Khanin Alexander
Konter Maxim
Vorontsov Sergey
Alstom Technology Ltd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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