Patent ID: 7959408
Filing Date: 2011-06-14
Classification: F01D,F04D,Y02T,Y10T

Abstract:
1. A device for attaching a turbomachine stator vane in an annular casing of the turbomachine, the vane comprising a tip formed of a platform with two edges, one of them forming an upstream edge and the other forming a downstream edge, an airfoil and a root, the annular casing comprising a circumferential groove formed in its interior wall with an upstream flank and a downstream flank, the vane being held by engagement of the platform in the groove, the upstream edge against the upstream flank and the downstream edge against the downstream flank of the groove, the downstream flank of the groove being in the form of a slot opening axially in the upstream direction, the downstream edge of the platform being engaged in said downstream flank and a fastening means being attached in order to hold the platform in the groove on the upstream side, wherein the vane comprises a portion of platform between the airfoil and the upstream edge, this portion being pierced with a through-hole designed to accept said fastening means.