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" |
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | B63B-001/00 |
미국특허분류(USC) | 114/273 ; 114/61 ; 114/280 ; 440/54 |
출원번호 | US-0034343 (1979-04-30) |
우선권정보 | JP-0024960 (1979-03-03) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 8 인용 특허 : 1 |
A water conveyance having two hull members spaced from each other and carrying a hydrofoil toward the stern thereof and an airfoil or wing toward the bow. The hydrofoil and airfoil cooperate to lift the hull members from the water to reduce water resistance and increase travel speed. The hydrofoil is movable vertically to accommodate the raising and lowering of the hull members during start up and slow down. Flaps on the wing control the attitude of the conveyance and, in a preferred embodiment, the flaps are controlled automatically to maintain a genera...
A water conveyance which comprises: first and second hull means spaced from each other; airfoil means extending between said hull means toward the bow thereof, said airfoil means having pivotable flaps extending toward the stern thereof; a pivotable lever attached to each of said hull means and an interconnecting support extending therebetween; means for propelling said conveyance over the water, attached to said interconnecting support; hydrofoil means attached to said interconnecting support; means for pivoting both of said pivotable levers in unison, ...