Patent ID: 7104758
Filing Date: 2006-09-12
Classification: F01D,Y10S

Abstract:
1. A rotor of a steam or gas turbine, the rotor comprising: rotor blades held in a rotor base in a plurality of radial rows, each rotor blade comprising a blade foot installed in the rotor base, a blade leaf and a cover plate, an open pocket being milled in the sloping surfaces of each of the cover plates of one row of said rotor blades, said sloping surfaces being located opposite each other with the pockets of two adjacent cover plates together forming an essentially closed cavity, which cavity expands in the radial direction of the rotor in a drop-like manner to a largest cross section and narrows from said largest cross section and which cavity ends in two planar wedge surfaces; a plurality of pins, each of said pins having a largest cross section that is smaller than a largest cross section of the cavity and larger than the smallest cross section of the cavity, each of said pins being placed freely movably in a corresponding said cavity.