F - Mech Eng,Light,Heat,Weapons – 02 – K
Patent
F - Mech Eng,Light,Heat,Weapons
02
K
F02K 1/80 (2006.01) F01D 25/28 (2006.01) F01D 25/30 (2006.01) F02K 1/04 (2006.01) F02K 1/48 (2006.01)
Patent
CA 2713317
An exhaust mixer for a gas turbine engine includes an annular wall having upstream end adapted to be fastened to an engine case and a downstream end forming a plurality of inner and outer mixer lobes. A support member interconnects at least a number of the inner lobes, and includes a circumferentially extending stiffener ring located radially inwardly from the inner lobes and a series of circumferentially spaced apart mixer struts radially extending from the inner lobes to the stiffener ring. The mixer struts have a radial length at least equal to a width of a main gas path defined between the inner lobes and the exhaust cone such that the mixer struts extend entirely through the main gas path. The stiffener ring being fixed solely to the mixer struts such as to float with respect to the exhaust cone and permit relative movement therebetween.
Bouchard Richard
Durocher Eric
Grivas Nicolas
Leclair Denis
Lefebvre Guy
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Pratt & Whitney Canada Corp.
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