CN2307935Y - 双级爪式转子真空泵 - Google Patents
双级爪式转子真空泵 Download PDFInfo
- Publication number
- CN2307935Y CN2307935Y CN 97226078 CN97226078U CN2307935Y CN 2307935 Y CN2307935 Y CN 2307935Y CN 97226078 CN97226078 CN 97226078 CN 97226078 U CN97226078 U CN 97226078U CN 2307935 Y CN2307935 Y CN 2307935Y
- Authority
- CN
- China
- Prior art keywords
- rotor
- pump
- pump chamber
- pump housing
- twin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97226078 CN2307935Y (zh) | 1997-09-15 | 1997-09-15 | 双级爪式转子真空泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97226078 CN2307935Y (zh) | 1997-09-15 | 1997-09-15 | 双级爪式转子真空泵 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2307935Y true CN2307935Y (zh) | 1999-02-17 |
Family
ID=33939916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97226078 Expired - Fee Related CN2307935Y (zh) | 1997-09-15 | 1997-09-15 | 双级爪式转子真空泵 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2307935Y (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100439716C (zh) * | 2002-12-31 | 2008-12-03 | 北京依品非标准设备有限公司 | 一种用于无油真空泵的渐开线、直线爪型转子结构 |
CN102472285A (zh) * | 2009-08-14 | 2012-05-23 | 株式会社爱发科 | 干泵 |
CN102667163A (zh) * | 2009-12-24 | 2012-09-12 | 阿耐思特岩田株式会社 | 多级真空泵 |
CN115450921A (zh) * | 2022-08-08 | 2022-12-09 | 南京真空泵厂有限公司 | 一种爪型真空泵随动冷却系统及冷却方法 |
-
1997
- 1997-09-15 CN CN 97226078 patent/CN2307935Y/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100439716C (zh) * | 2002-12-31 | 2008-12-03 | 北京依品非标准设备有限公司 | 一种用于无油真空泵的渐开线、直线爪型转子结构 |
CN102472285A (zh) * | 2009-08-14 | 2012-05-23 | 株式会社爱发科 | 干泵 |
CN102667163A (zh) * | 2009-12-24 | 2012-09-12 | 阿耐思特岩田株式会社 | 多级真空泵 |
CN102667163B (zh) * | 2009-12-24 | 2015-02-04 | 阿耐思特岩田株式会社 | 多级真空泵 |
CN115450921A (zh) * | 2022-08-08 | 2022-12-09 | 南京真空泵厂有限公司 | 一种爪型真空泵随动冷却系统及冷却方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1247891C (zh) | 高压压缩机 | |
CN1815031A (zh) | 低压型绕动叶片式压缩机 | |
CN1172216A (zh) | 压缩机 | |
CN1961153A (zh) | 螺旋转子以及螺旋式流体机械 | |
CN1339089A (zh) | 涡卷式压缩机 | |
CN2307935Y (zh) | 双级爪式转子真空泵 | |
CN201159172Y (zh) | 螺杆真空泵的改进结构 | |
KR20000047492A (ko) | 다단 루츠펌프 및 다단 펌프장치 | |
CN1213237C (zh) | 涡轮压缩机的扩散器结构 | |
CN217270810U (zh) | 一种多级气冷式高压差罗茨泵 | |
RU2416031C1 (ru) | Роторный двигатель внутреннего сгорания | |
CN2503232Y (zh) | 耐高压多级爪式转子真空泵 | |
CN2851655Y (zh) | 组合转子气体压缩机 | |
CN1061131C (zh) | 一种抽吸高真空度的装置 | |
CN1170827A (zh) | 柱塞式压缩机 | |
CN1312437A (zh) | 干式真空泵 | |
CN1191278A (zh) | 离心式多叶片鼓风机 | |
CN2660175Y (zh) | 多级式真空泵 | |
CN1107792C (zh) | 往复运动式压缩机 | |
CN1115362A (zh) | 多拖动面分子泵 | |
CN2502048Y (zh) | 拖动分子泵 | |
CN1715654A (zh) | 高压罗茨鼓风机 | |
CN2299170Y (zh) | 单级爪式转子真空泵 | |
CN2627244Y (zh) | 转子改良构造 | |
CN1548753A (zh) | 密闭型旋转式压缩机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: XU XI TO: BEIJING LINGFAN VACUUM SCIENCE CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: The 100070 Beijing Seahawks Fengtai Science City Road No. 5, contact: Lin Shaorong Patentee after: Beijing lead sail Vacuum Technology Co., Ltd. Address before: 100062 Beijing city Chongwen District North East Flower Market in central area of No. 9-7-7 Patentee before: Xu Xi |
|
C56 | Change in the name or address of the patentee |
Owner name: XU XI Free format text: FORMER NAME OR ADDRESS: BEIJING LINGFAN VACUUM SCIENCE CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 100062 Beijing city Chongwen District North East Flower Market in central area of No. 9-7-7 Patentee after: Xu Xi Address before: The 100070 Beijing Seahawks Fengtai Science City Road No. 5 Patentee before: Beijing lead sail Vacuum Technology Co., Ltd. |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |