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-031/385 |
미국특허분류(USC) | 137/489 ; 251/88 |
출원번호 | US-0331853 (1994-10-31) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A tank vent valve for use with a pilot valve that comprises a vent valve body containing a nozzle, a seat plate movable within said vent valve body which seats on said nozzle to seal the valve, and an articulated stem extending from the center of said seat plate and a diaphragm actuator mounted on said vent valve body comprising a resilient member, a support plate below said resilient member and a hollow member attached to said support plate extending toward said seat plate and surrounding said stem, said stem being slidably movable within said hollow me...
A tank vent valve for use with a pilot valve that comprises: (a) a vent valve body containing: (i) a nozzle, (ii) a seat plate movable within said vent valve body which seats on said nozzle to seal the valve, (iii) an articulated stem extending from the center of said seat plate and (iv) an outlet and (b) a diaphragm actuator mounted on said vent valve body comprising a resilient member, a support plate below said resilient member such that said resilient member bears upon but is not connected to said support plate and a hollow member attached to said su...