A compound engine assembly (10) for use as an aircraft auxiliary power unit, having an engine core (12) including internal combustion engine(s) in driving engagement with an engine shaft (16), a generator (14) having a generator shaft directly engaged to the engine shaft (16) such as to be rotatable at a same speed, a compressor (18) having an outlet (180) in communication with the engine core inlet (12i), and a turbine section (20) having an inlet (20i) in communication with the engine core outlet (12o) and configured to compound power with the engine core (12). The turbine section (20) may include a first stage turbine (22) having an inlet (22i) in communication with the engine core outlet (12o), and a second stage turbine (24) having an inlet (24i) in communication with the first stage turbine outlet (22o). A method of providing electrical power to an aircraft is also discussed.
COMPOUND ENGINE ASSEMBLY WITH DIRECT DRIVE OF GENERATOR
VERBUNDTRIEBWERKSANORDNUNG MIT DIREKTANTRIEB EINES GENERATORS
ENSEMBLE MOTEUR COMPOSÉ À ENTRAÎNEMENT DIRECT DE GÉNÉRATEUR
2018-09-26
Patent
Electronic Resource
English