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) | A62C-002/00 |
미국특허분류(USC) | 169/045 ; 169/066 ; 220/565 ; 141/082 ; 222/054 ; 222/131 |
출원번호 | US-0032187 (1998-02-27) |
발명자 / 주소 | |
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 37 |
An improved aboveground system for storing a combustible fluid such as gasoline includes a storage tank that is constructed and arranged to store a combustible fluid such as gasoline and an outer tank to provide secondary containment. An interstitial space is defined between the outer tank and the storage tank. A pipe for communicating with the storage tank extends through the wall of the storage tank, into the interstitial space and through the interstitial space for a distance so as to extend substantially parallel to at least one of the walls of the o...
[ What is claimed is:] [1.] An improved aboveground system for storing a combustible fluid, comprising:a storage tank that is constructed and arranged to store a combustible fluid, said storage tank having a wall that has inner and outer surfaces;an outer tank surrounding said inner tank so as to provide secondary containment for the fluid that is stored in said storage tank, said outer tank having a wall that has inner and outer surfaces, wherein an interstitial space is defined between said inner surface of said outer tank and said outer surface of sai...