F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/03 (2006.01) F02K 3/072 (2006.01)
Patent
CA 2684521
A gas turbine engine assembly (2) having one or more blade rows (48, 50, 52) with blades (17) extending radially inwardly from a rotatable drum (46), one or more composite fiber material rings (72) disposed circumferentially around the rotatable drum (46), and the composite fiber material rings (72) including circumferentially extending high strength fibers (73) or filaments. The rings (72) may be axially aligned with the blade rows (48, 50, 52). Ring widths (RW) of the rings (72) may be less wide than blade widths (BW) at blade bases (78) of the blades (17) at a radially inner surface (84) of the drum (46). The rings (72) may be made of a material including a plurality of circumferentially extending reinforcing structural fibers (73) or filaments disposed in an integral matrix. The rotatable drum (46), rings (72), and blades (17) extending radially inwardly from the drum may be incorporated in a gas turbine engine booster (16) having one or more rotatable booster stages (38, 40, 42) or in a counter rotatable low pressure turbine (26).
Kray Nicholas Joseph
Schilling Jan Christopher
Company General Electric
Craig Wilson And Company
LandOfFree
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