| 发明名称 |
MULTI-STAGE VACUUM PUMP OF THE DRY PUMP TYPE |
| 摘要 |
A multi-stage vacuum pump of the dry pump type is disclosed. The multi-stage vacuum pump includes a plurality of pumping stages each respectively having an inlet and an outlet, the pumping stages being mounted in series between a suction port and a discharge port of the vacuum pump, characterized in that the vacuum pump also includes at least one valve configured to dump pressure from a pumping stage, said valve being arranged in the upper part of the vacuum pump, on the same side as the inlet of the pumping stage. |
| 申请公布号 |
US2014205482(A1) |
申请公布日期 |
2014.07.24 |
| 申请号 |
US201414154703 |
申请日期 |
2014.01.14 |
| 申请人 |
ADIXEN VACUUM PRODUCTS |
发明人 |
CROCHET Stephane |
| 分类号 |
F04C25/02 |
主分类号 |
F04C25/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A multi-stage vacuum pump of the dry pump type comprising:
a plurality of pumping stages respectively comprising:
an inlet; andan outlet; wherein the pumping stages are mounted in series between a suction port and a discharge port of the vacuum pump; wherein the vacuum pump further comprises at least one valve configured to dump pressure from a pumping stage, said valve being arranged in the upper part of the vacuum pump, on the same side as the inlet of the pumping stage. |
| 地址 |
Annecy FR |
