发明名称 |
Molchfähiges 3-Wege-Klappenventil. |
摘要 |
<p>A three-way valve (1) for a pig pipeline comprises a main tubular section (2), designed to allow a pig to pass through it, and a secondary tubular section (5) connected at right angles to this main section opposite an opening (7) determined by the intersection of the internal cylindrical wall of the main section with a surface (33) in the shape of a portion of a sphere facing the secondary tubular section. A movable element for selectively closing off the opening comprises, located off-centre with respect to a control shaft (20) placed on the side of this secondary tubular section, a flag (30) shaped in such a way as to close off this opening (7) completely by hugging this surface in the shape of a portion of a sphere, thereby completing, in this region, the cylindrical internal surface of the main tubular section. …<IMAGE>… </p> |
申请公布号 |
DE69201830(T2) |
申请公布日期 |
1995.09.21 |
申请号 |
DE1992601830T |
申请日期 |
1992.06.05 |
申请人 |
FMC EUROPE S.A., SENS, YONNE, FR |
发明人 |
LE DEVEHAT, EUGENE, F-89100 SALIGNY, FR |
分类号 |
F16K1/22;F16K11/052;F16K11/087;F16K27/02;F16L55/46;F17D3/08;(IPC1-7):F17D3/08 |
主分类号 |
F16K1/22 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|