|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||060/039.183; 060/039.08; 060/803|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 5|
The invention relates to a system for driving an accessory, such as a fuel pump or an oil pump in a turboengine, said system comprising an electric motor and further comprising an air turbine associated with said electric motor. Said air turbine is suitable for being fed with a flow of air taken from a compressor of said turboengine and contributing to driving the accessory. The system also includes a valve for controlling the flow of air taken from the compressor, which valve is in the closed position while the turboengine is starting.
What is claimed is: 1. A system for driving a pump in a turboengine, said system comprising: an electric motor including a stator and a rotor, and; an air turbine including a casing and a rotary assembly; said air turbine being suitable for being fed by a flow of air taken from a compressor of said turboengine in order to contribute to driving said pump, wherein the air turbine lies on a same axis as said electric motor, and wherein the stator of said electric motor is integrated in the casing of said air turbine, and the rotor of said electric motor is...