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) | F04B-049/00 F16K-031/143 F16K-031/383 F15B-015/27 |
미국특허분류(USC) | 417/295 ; 91/25 ; 251/636 |
출원번호 | US-0243828 (1981-03-16) |
발명자 / 주소 | |
출원인 / 주소 | |
인용정보 | 피인용 횟수 : 31 인용 특허 : 3 |
A compressor having an inlet valve which includes a valve housing and a control tube having a portion adapted to be in communication with a source of fluid. A piston is normally spring biased away from a valve element which is adapted to be alternately placed in sealing contact with a valve seat and withdrawn from such contact. The piston and valve element are movably mounted on the exterior of the control tube. Orifices in the control tube are adapted to control movement of the piston against the bias of the spring and also to provide a modulating influ...
A compressor inlet valve comprising a valve housing, a control tube disposed at least partially within said housing and having a first portion adapted to be in communication with a source of fluid, valve element means disposed within said housing and mounted on said control tube for relative movement thereon, valve seat means disposed within said housing for cooperating with said valve element in opening and closing said valve, piston means disposed within said housing mounted on said control tube for relative movement thereon, said piston means being in...