검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | B64C-009/20 B64C-009/32 B64C-009/00 |
미국특허분류(USC) | 244/90A ; 244/113 ; 244/87 ; 244/215 |
출원번호 | US-0211517 (1980-12-01) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 21 인용 특허 : 1 |
A flying wing aircraft control for angle of attack and direction thereof, comprising retractile controlling surfaces rearward of the center of lift and along the trailing edges and extensible over the top and bottom cambers of the wing in spaced relation to the trailing portions thereof and with variable angular dispositions with respect to air flow over the cambers so as to establish the desired moment arm with respect to the lift center of the flying wing to control the same into and out of a nose-up attitude with respect to the line of flight and with...
A flying wing aircraft control for inducing angle of attack and controlling the line of flight, and including; a wing having upper and lower cambered surfaces and a center of lift substantially forward of a trailing edge establishing a moment arm therebetween, upper and lower trailing edge pitch control surfaces aft of the center of lift and retractile substantially coincidental with the upper and lower cambered surfaces of the wing, lever means to space said upper and lower pitch control surfaces into the air stream above and below said upper and lower ...