|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F02C-007/32 F02C-007/00 F02K-003/00 F02C-007/36|
|미국특허분류(USC)||060/226.1; 060/802; 060/793|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 14|
An apparatus and method are provided for controlling the ground windmilling of at least one of the spools in a gas turbine engine. Electrical power is supplied to a braking apparatus in one aspect. In another aspect, an oil system is powered during ground windmilling.
What is claimed is: 1. A ground windmill control apparatus for impeding windmilling rotation of a bladed rotor and an associated engine shaft of an aircraft-borne turbofan gas turbine engine, the apparatus comprising: at least one electric generator connected to rotate with the engine shaft at least one electric motor connected to rotate with the engine shaft a controller configured to be operable while the aircraft is on the ground and the engine is in an unlit shutdown mode to control the generator to operate as an electrical generator and to control ...