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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0524640 (1995-09-08) |
우선권정보 | DE-4436569 (1994-10-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 3 |
A flap valve, particularly used for a conductor of large cross section, includes a valve housing and a flap member mounted in the housing for pivoting movement about a first axis through an angle of approximately 90°between two extreme positions. A drive shaft is mounted in the housing for rotation
A flap valve for use in a conductor of large cross section, said valve comprising: a valve housing; a flap member mounted in said housing for pivoting movement about a first axis through an angle of approximately 90°between two extreme positions; a drive shaft mounted in said housing for rotation ab
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