| 发明名称 |
VACUUM PUMP |
| 摘要 |
A vacuum pump comprises: a stator; a rotor that rotates with respect to the stator; a pump casing in which the stator and the rotor are contained, and a suction port and a through-hole for exhaust are provided; a first exhaust duct fixed to an outer circumference of the pump casing so as to communicate with the through-hole for exhaust; and a second exhaust duct that is inserted into at least the through-hole for exhaust with a gap interposed, an exhaust gas passing inside the second exhaust duct. |
| 申请公布号 |
US2016273552(A1) |
申请公布日期 |
2016.09.22 |
| 申请号 |
US201514974230 |
申请日期 |
2015.12.18 |
| 申请人 |
Shimadzu Corporation |
发明人 |
TSUBOKAWA Tetsuya |
| 分类号 |
F04D29/58;F04D29/62;F04D29/42;F04D29/44;F04D17/10;F04D29/28 |
主分类号 |
F04D29/58 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A vacuum pump comprising:
a stator; a rotor that rotates with respect to the stator; a pump casing in which the stator and the rotor are contained, and a suction port and a through-hole for exhaust are provided; a first exhaust duct fixed to an outer circumference of the pump casing so as to communicate with the through-hole for exhaust; and a second exhaust duct that is inserted into at least the through-hole for exhaust with a gap interposed, an exhaust gas passing inside the second exhaust duct. |
| 地址 |
Kyoto JP |
