|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||60/3904 ; 60/39091 ; 60/39163 ; 244/58|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 43 인용 특허 : 7|
An emergency on board power source (28) for jet aircraft having high (22) and low speed (14) spools is disclosed for operation above altitudes where auxiliary power units (14) are operational. A power takeoff (56) is provided from the low speed spool of the jet engine to drive an emergency power unit (28) for supplying electrical and/or hydraulic on board power to the aircraft to maintain control during emergency conditions during which the auxiliary power unit is not operational or is not operational to supply sufficient power to maintain hydraulic or e...
A method of providing emergency on board power to a jet aircraft having at least one gas turbine, said at least one gas turbine having a high speed spool and a low speed spool at an altitude above which an air aspirated auxiliary power unit is not operative to provide power to on board aircraft power generating units comprising: p1 (a) sensing a condition requiring the generation of emergency on board power when the jet aircraft is above the altitude; and (b) activating a power takeoff from the low speed spool to apply power from the low speed spool to t...