Patent ID: 7175387
Filing Date: 2007-02-13
Classification: F01D,Y10S

Abstract:
1. A seal arrangement for reducing the seal gaps within a rotary flow machine, the seal arrangement comprising: rotor blades and guide vanes arranged in at least one rotor blade row and at least one guide vane row, respectively, each rotor blade and guide vane having blade roots and vane roots which are fastened to the rotor blade rows and guide vane rows, respectively; the blade roots and vane roots each having a respective platform; a sealing element comprising a plastically deformable material positioned the sealing element being firmly connected to at least one platform and having a thickness protruding from the surface of the at least one platform; said at least two adjacent platforms or said platform and said component when directly adjoining the platform enclose a cold gap s wherein the plastically deformable material comprises a sintered metal comprising a homogeneously baked combination from NiAl, FeAl, or CoAl.