Composite load-bearing rotating ring and process therefor

Details Composite load-bearing rotating ring and process therefor Composite load-bearing rotating ring and process therefor

B - Operations, Transporting

29

C

B29C 70/74 (2006.01) B29C 65/00 (2006.01) F01D 5/02 (2006.01) F01D 5/30 (2006.01)

Patent

CA 2718270

Composite load-bearing rotating rings (60,90) suitable for use in fan sections (10) of gas turbine engines, and processes for their fabrication. Such a ring (60,90) has at least a first portion (74,96) defining an integral abutment surface (75,95) adapted to abut and retain hardware (16) of a rotating machine (10), at least a second portion (68,102) defining an integral flange (70,102) adapted to secure the ring to a support structure (14,22) of the rotating machine (10), and an insert (78,108). Each of the first and second portions (74,96;68,102) and the insert (78,108) contains a polymer matrix material and a fibrous reinforcement material, and the fibrous reinforcement material within the insert (78,108) is oriented predominantly in a circumferential direction of the ring (60,90) for carrying both circumferential and radial loads during rotation of the ring (60,90).

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