F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 11/24 (2006.01) F01D 25/12 (2006.01)
Patent
CA 2546501
An apparatus and method for selectively cooling a gas turbine engine component for the purpose of controlling blade tip clearance during transient conditions, wherein cooling air is admitted intermittently according to a desired a duty cycle based on a present or anticipated transient condition.
L'invention concerne un dispositif et un procédé permettant de refroidir sélectivement un moteur de turbine à gaz en vue de régler l'espace se situant à l'extrémité d'une aube dans des conditions transitoires ; de l'air de refroidissement est introduit par intermittence selon un cycle d'utilisation voulu, sur la base d'une condition transitoire présente ou anticipée.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
Pratt & Whitney Canada Corp.
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