F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/266 (2006.01) F02C 7/26 (2006.01) F02C 9/34 (2006.01) F02P 15/00 (2006.01)
Patent
CA 2332353
The present invention is addressed to an exciter circuit used as part of an engine ignition system which is controlled by a full authority digital engine control or FADEC. Two channels of the FADEC system are connected to two channels on the exciter system in a cross talk arrangement. This permits any one channel on the FADEC to control both channels on the exciter for redundancy purposes. The establishment of a FADEC control of an exciter system also permits selective use of the exciters and reduces wear on the exciter circuitry and ignition system components.
L'invention concerne un circuit d'excitateur utilisé comme une partie d'un système d'allumage du moteur, commandé par un système de régulation électronique numérique à autorité complète (FADEC). Deux canaux du système FADEC sont connectés à deux canaux du système d'excitateur, selon un schéma de diaphonie. Cela permet à n'importe quel canal de FADEC de commander les deux canaux de l'excitateur, ceci à des fins de redondance. L'établissement d'une commande FADEC d'un système d'excitateur permet également l'utilisation sélective des excitateurs et réduit l'usure des circuits d'excitateur et des composants du système d'allumage.
Cote Pierre
Nobre Antonio H.
Astle Jeffrey W.
Pratt & Whitney Canada Corp./pratt & Whitney Canada Cie.
Pratt & Whitney Canada Inc.
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