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) | F16K-051/00 |
미국특허분류(USC) | 137/240 ; 137/606 |
출원번호 | US-0068898 (1987-06-30) |
우선권정보 | DE-3622527 (1986-07-04) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 68 인용 특허 : 0 |
A valve for a gas vessel has a gas-pressure line which leads to a valve chamber and which is closed by means of a closure valve disposed in the valve chamber. The valve for a gas vessel also includes a gas-takeoff line and is configured so that the valve chamber and the gas-takeoff line as well as other gas conducting spaces at the output end of the valve can be purged in the operational ready condition of the valve. The application and removal of the purging flow occurs over different paths and the purging takes place independently of the actuation of t...
A valve for a gas source containing gas under pressure, the valve comprising: a valve housing having a closure valve chamber formed therein; a gas-pressure line formed in said valve housing for conducting use gas from the gas vessel into said valve chamber; a gas-takeoff line communicating directly with said chamber for directing gas away from said closure valve chamber and said valve housing; closure valve means for interrupting the flow of the use gas from said gas-pressure line, said closure valve means including: valve seat means on a wall of said ch...