|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||244/53B ; 137/151|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 51 인용 특허 : 3|
An air inlet and scoop for aircraft auxiliary power units to provide satisfactory performance thereof under all operational conditions, including full capability for in-flight starting at high altitudes, whereby operational difficulties caused by thick boundary layers and adverse pressure gradients between the inlet and the tail cone in the vicinity of the inlet are overcome. The inlet opening is contoured along its outer edges to conform to the aircraft fuselage and has a ramp trailing inwardly into the opening, starting at the fuselage and forming the ...
For use on an aircraft, an air inlet and scoop for an in-flight auxiliary power unit, the scoop being adapted to open and start operation at altitude and on the ground, comprising: an inlet opening contoured along its outer edges to conform to the aircraft fuselage, a ramp trailing inwardly into the opening starting from the fuselage and forming the bottom surface of the inlet; the inlet opening having generally parallel side walls trailing inwardly along opposite edges of the ramp; the side walls extending inwardly from the fuselage edges along the inle...