F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 11/10 (2006.01) F23R 3/28 (2006.01)
Patent
CA 2496908
Thermal stress relief in a nozzle head of a gas turbine fuel nozzle is provided by forming a slit through each selected air passages of the nozzle head. The strategic location of stress-relief slits contributes to extend the fatigue life of the nozzle with minimal cost and impact on the nozzle aerodynamics.
L'invention concerne une libération de contrainte thermique dans une tête d'ajutage d'un ajutage de combustible de turbine à gaz, par le biais de la formation d'une fente à travers chaque passage d'air sélectionné de la tête d'ajutage. L'emplacement stratégique des fentes de libération de contrainte contribue à étendre la durée de vie en fatigue de l'ajutage, tout en maintenant un coût et un impact minimal sur l'aérodynamique de l'ajutage.
Gandza Victor
Prociw Lev Alexander
Shafique Harris
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pratt & Whitney Canada Corp.
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