|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||244/013 ; 244/053B ; 244/055 ; 244/065 ; 244/012.4 ; 244/056 ; 244/036|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 2|
The device for lift and to reduce forward resistance of aircraft consists of a converging input duct of truncated-cone-shaped or truncated-pyramid-shaped, arranged lengthwise inside the fuselage and inclined to the longitudinal axis, with the larger opening coinciding with the front fuselage contour or periphery of maximum cross-section, and reducing in bore backwards so that its generatrix or lower side coincides with the lower surface of the fuselage parallel to the aircraft's longitudinal axis and the generatrix or upper edge forms an acute angle with...
[ What is claimed is:] [1.] An aircraft for subsonic speed having a fuselage and a turbofan drive engine in said fuselage comprising:an airflow inlet duct within said fuselage directing airflow into the turbofan of said engine,an outlet duct having an interior surface within said fuselage directing airflow from said turbofan,said fuselage having a longitudinal axis along the length of said fuselage,said inlet duct having an interior surface inside said fuselage and inclined to said longitudinal axis, with a larger opening coinciding with the front contou...