CN2489115Y - 干式真空泵 - Google Patents
干式真空泵 Download PDFInfo
- Publication number
- CN2489115Y CN2489115Y CN 01220209 CN01220209U CN2489115Y CN 2489115 Y CN2489115 Y CN 2489115Y CN 01220209 CN01220209 CN 01220209 CN 01220209 U CN01220209 U CN 01220209U CN 2489115 Y CN2489115 Y CN 2489115Y
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- China
- Prior art keywords
- rotor
- pump
- gap
- vacuum pump
- gas
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- 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 - Lifetime
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Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01220209 CN2489115Y (zh) | 2001-04-26 | 2001-04-26 | 干式真空泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01220209 CN2489115Y (zh) | 2001-04-26 | 2001-04-26 | 干式真空泵 |
Publications (1)
Publication Number | Publication Date |
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CN2489115Y true CN2489115Y (zh) | 2002-05-01 |
Family
ID=33637856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 01220209 Expired - Lifetime CN2489115Y (zh) | 2001-04-26 | 2001-04-26 | 干式真空泵 |
Country Status (1)
Country | Link |
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CN (1) | CN2489115Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115596665A (zh) * | 2022-12-09 | 2023-01-13 | 中核第七研究设计院有限公司(Cn) | 一种爪形干式气体传输泵的排气结构 |
-
2001
- 2001-04-26 CN CN 01220209 patent/CN2489115Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115596665A (zh) * | 2022-12-09 | 2023-01-13 | 中核第七研究设计院有限公司(Cn) | 一种爪形干式气体传输泵的排气结构 |
CN115596665B (zh) * | 2022-12-09 | 2023-03-14 | 中核第七研究设计院有限公司 | 一种爪形干式气体传输泵的排气结构 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING LANGHE ZONGXIN VACUUM TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LANGHE SCIENCE AND TECHNOLOGY CO., LTD., BEIJING Effective date: 20050304 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Designer after: Xu Xi Designer before: Sun Hongju Designer before: Liu Ruihe |
|
COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: SUN HONGJU LIU RUIHE TO: XU XI |
|
TR01 | Transfer of patent right |
Effective date of registration: 20050304 Address after: 327, room 80 (Park), No. 100071 West Fourth Ring Road South, Beijing, Fengtai District Patentee after: BEIJING LAHEE VACUUM EQUIPMENTS CO., LTD. Address before: 100062 Beijing city Chongwen District North East Flower Market in central area of No. 9-7-7 Patentee before: Langhe S&.T Co., Ltd., Beijing |
|
ASS | Succession or assignment of patent right |
Owner name: LANGHE SCIENCE AND TECHNOLOGY CO., LTD., BEIJING Free format text: FORMER OWNER: BEIJING LANGHE ZONGXIN VACUUM TECHNOLOGY CO., LTD. Effective date: 20060428 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060428 Address after: 327, room 80 (Park), No. 100071 West Fourth Ring Road South, Beijing, Fengtai District Patentee after: Langhe S&.T Co., Ltd., Beijing Address before: 327, room 80 (Park), No. 100071 West Fourth Ring Road South, Beijing, Fengtai District Patentee before: BEIJING LAHEE VACUUM EQUIPMENTS CO., LTD. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20110426 Granted publication date: 20020501 |