Patent ID: 8985961
Filing Date: 2015-03-24
Classification: F01D,F04D,Y02T

Abstract:
1. A turbomachine rotor comprising: a disk including a rim and axial recesses machined on the rim for individual housing of blades; a ring attached to a downstream face of the rim, the ring being pierced with holes axially aligned with the recesses; and a plug provided in a hole of the ring which is aligned with and downstream of one of the axial recesses to present a bearing surface for a downstream face of a shank of the blade housed in the one of the axial recesses, wherein the plug includes a first half plug made of a first wear-resistant material and a second half plug made of a second material, the first half plug pressing against an upstream side of the ring and the second half plug pressing against a downstream side of the ring, the half plugs being linked to the each other through the hole, wherein the first half plug comprises a head in a form of a disk with a collar and a fastener and the second half plug comprises a head in a form of a disk with a collar and a fastener, the two fasteners having complementary forms to engage with one another, and wherein the second half plug comprises an anti-rotation device which prevents the second half plug from rotating about an axis of the fastener of the second half plug.