US 7,320,574 B2 | ||
Turbomachine | ||
Ralf Greim, Birmenstorf (Switzerland); Said Havakechian, Baden (Switzerland); and Axel Pfau, Ettingen (Switzerland) | ||
Assigned to Alstom Technology Ltd, Baden (Switzerland) | ||
Filed on Sep. 09, 2004, as Appl. No. 10/936,582. | ||
Claims priority of application No. 03103323 (EP), filed on Sep. 09, 2003. | ||
Prior Publication US 2005/0100439 A1, May 12, 2005 | ||
Int. Cl. F01D 11/08 (2006.01) |
U.S. Cl. 415—173.5 [415/170.1] | 12 Claims |
1. A turbomachine with guide vanes arranged in rows and fastened to an inner casing and rotor blades arranged in rows and fastened to a shaft, at least part of the blading rows being provided with shrouds and recesses being arranged on the inner casing and the shaft, into which recesses the shrouds protrude, wherein at least one recess and at least one shroud has contouring which varies in the peripheral direction of the recess. |