Patent ID: 8157530
Filing Date: 2012-04-17
Classification: F01D

Abstract:
1. A locking sub-assembly for closing a remaining gap between a first blade and a last blade of a blade ring inserted in a circumferential groove of a turbomachine, comprising: a plurality of side pieces wherein at least one of the side pieces is interlockable with a projection which forms an undercut of the circumferential groove; and a pin-like locking element which secures the side pieces against disengaging from the circumferential groove and which releasablv interconnects the side pieces wherein each side piece is interconnected with an intermediate piece arranged between the side pieces, via a dovetail guide in each case, wherein the dovetail guide is arranged on the side pieces such that during a radial insertion of the last side piece, the elements of the dovetail guide intermesh, wherein each side piece is secured with the intermediate piece via one of two pin-like locking elements in each case.