Patent · US Active

Turbine engine rotor including blade made of composite material and having an added root

US9790802B2 · kind B2 · utility

5Cited by
8References
13Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 11, 2012
Grant dateOct 17, 2017
Priority date
Expiry dateOct 12, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49337
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A turbine rotor includes a plurality of blades of composite material comprising fiber reinforcement densified by a matrix. Each blade comprises a blade body extending between an inner end having a blade root and an outer end forming the tip of the blade. The rotor also includes outer platform elements of composite material comprising fiber reinforcement densified by a matrix, each outer platform element including an opening in which the outer end of a blade is engaged. The portion of the outer end of each blade that extends beyond the outer platform element includes a slot or a notch for receiving a locking element.

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