| Original document(15 pages) 中文版 |
The vacuum pump has a cooling water passage to communicate the main casing cooling water chamber and the discharge side casing cooling water chamber, the cooling water outlet pipe is connected to the entrance of the three way valve, the pipeline connected to the cooling water chamber is connected to the change port of the three way valve, and the pipeline connected to the outlet pipe of the three way valve is connected to the suction side casing cooling water chamber, and in the cooling water draining pipe a throttle valve capable of applying back pressure to cooling water is provided. |
Application Number
申请号 |
01123499 |
Application Date
申请日 |
2001.07.27 |
| Title 名称 |
Vacuum pump |
Publication Number
公开号 |
1399076 |
Publication Date
公开日 |
2003.02.26 |
| Approval Pub. Date |
|
Granted Pub. Date |
|
| International Classification 分类号 |
F04C25/02,F04C29/04 |
Applicant(s) Name
申请人 |
Daiko Machinery Industry Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Hoshi Toshichika |
| Attorney & Agent 代理人 |
wang huaqiang |
| More information 更 多 信 息 |
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