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) | F16K-017/36 |
미국특허분류(USC) | 137/38 ; 137/264 ; 244/135R |
출원번호 | US-0058014 (1987-06-04) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 16 인용 특허 : 1 |
Apparatus for supplying liquid from a tank (12) to an inlet of a pump (40) without interruption when the condition of the tank changes to a reversed gravity condition, includes a hollow, standpipe body (20) having a first inlet opening (26) and a second inlet opening (28). Internal walls divide the standpipe into a first compartment (32) in communication with the tank through first opening (26), a second compartment (36) which is in communication with a pump inlet port (38) connected to the inlet of pump (40), and a third compartment (42) which is in com...
Apparatus for supplying fluid from a tank to a pump without interruption when the condition of the tank is changed from a first gravity condition to a second gravity condition reversed of said first gravity condition said pump having a low pressure inlet and a high pressure outlet, comprising: a hollow body, said hollow body having at least two fluid admission inlet openings, a first inlet opening in communication with said fluid at a lower level in said tank and a second inlet opening in communication with said fluid at a higher level relative to said f...