Patent · US Active

Turbomachine rotor with anti-wear shim between a disk and an annulus

US8911212B2 · kind B2 · utility

2Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 2011
Grant dateDec 16, 2014
Priority date
Expiry dateMar 8, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A turbomachine rotor including a disk with a rim and axial cavities machined into the rim to individually house blades; and an annulus attached to one side of the rim and pierced with stress-relief holes, in which part of the stress-relief holes are situated in the axial continuation of the cavities, is disclosed. An annular shim is attached and interposed between the disk and the annulus, the shim forming a removable device for closing off the holes and an axial bearing surface against which the blades housed in the cavities can bear.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.