Patent ID: 6431836
Filing Date: 2002-08-13
Classification: F01D,Y10S,Y10T

Abstract:
A blade lock for blading an axial design turbine having a rotor and blades, wherein the blades are inserted into an undercut blade groove of said turbine rotor in a positive-locking manner, the blade lock comprising:a mounting space in connection with the blade groove, said mounting space having a cross section, said mounting space having a longitudinal axis, said mounting space being asymmetric about said longitudinal axis when viewed in a radial direction; a filler piece in positive-locking relationship with a blade foot of at least one of the blades, said filler piece being inserted into said mounting space and having a cross section adapted to said cross section of said mounting space, said cross section of said mounting space is conically widened beginning from the blade groove in an axial direction, said mounting space includes side walls, said side walls extending at an angle to the blade groove and form an angle with a longitudinal axis of the blade; and a wedge inserted into said mounting space.