发明名称 |
SCREW PUMP FOR PUMPING GASES |
摘要 |
A screw pump includes a stator having a fluid inlet and a fluid outlet, the stator housing first and second externally threaded, tapered rotors mounted on respective shafts and adapted for counter-rotation within the stator to compress fluid passing from the fluid inlet to the fluid outlet, wherein the threads have a pitch that increases towards the fluid outlet. |
申请公布号 |
EP1960671(A1) |
申请公布日期 |
2008.08.27 |
申请号 |
EP20060820652 |
申请日期 |
2006.12.04 |
申请人 |
EDWARDS LIMITED |
发明人 |
NORTH, MICHAEL HENRY;TURNER, NEIL;DAVENNE, TRISTAN RICHARD GHISLAIN;DRAPER, TIMOTHY CHARLES |
分类号 |
F04C18/16 |
主分类号 |
F04C18/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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