최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0561878 (1990-08-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A single rod three chamber fluid motor is driven in a forward stroke which includes a rapid initial advance followed by a relatively short and slow feed stroke under high pressure. The rapid advance is performed by a closed loop system in which a high displacement main pump, pumps fluid to act again
Hydraulic circuit means for selectively driving a single rod piston operatively disposed in a three chamber hydraulic cylinder in forward and return strokes, said piston having equal areas on its rod end side and its head end side respectively exposed in first and second chambers of said cylinder an
※ AI-Helper는 부적절한 답변을 할 수 있습니다.