CN1103872C - 油密封旋转式真空泵的冷却装置 - Google Patents
油密封旋转式真空泵的冷却装置 Download PDFInfo
- Publication number
- CN1103872C CN1103872C CN95120139A CN95120139A CN1103872C CN 1103872 C CN1103872 C CN 1103872C CN 95120139 A CN95120139 A CN 95120139A CN 95120139 A CN95120139 A CN 95120139A CN 1103872 C CN1103872 C CN 1103872C
- Authority
- CN
- China
- Prior art keywords
- cylinder
- rotor
- cooling
- temperature
- water
- 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 - Lifetime
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95120139A CN1103872C (zh) | 1995-11-29 | 1995-11-29 | 油密封旋转式真空泵的冷却装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95120139A CN1103872C (zh) | 1995-11-29 | 1995-11-29 | 油密封旋转式真空泵的冷却装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1151486A CN1151486A (zh) | 1997-06-11 |
CN1103872C true CN1103872C (zh) | 2003-03-26 |
Family
ID=5082256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95120139A Expired - Lifetime CN1103872C (zh) | 1995-11-29 | 1995-11-29 | 油密封旋转式真空泵的冷却装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1103872C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105649983A (zh) * | 2016-01-14 | 2016-06-08 | 陈勇翔 | 一种空气压缩泵 |
CN108488071A (zh) * | 2018-03-06 | 2018-09-04 | 荣易 | 一种用于罗茨真空泵和罗茨风机的全包裹恒温控制装置 |
CN108571448B (zh) * | 2018-04-12 | 2019-11-19 | 深圳市嘉铭诚精密技术有限公司 | 一种小体积无油雾真空泵 |
FR3087504B1 (fr) * | 2018-10-17 | 2020-10-30 | Pfeiffer Vacuum | Procede de controle de la temperature d’une pompe a vide, pompe a vide et installation associees |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0656479A1 (de) * | 1993-12-03 | 1995-06-07 | MANNESMANN Aktiengesellschaft | Einstufiger Flügelzellenverdichter |
-
1995
- 1995-11-29 CN CN95120139A patent/CN1103872C/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0656479A1 (de) * | 1993-12-03 | 1995-06-07 | MANNESMANN Aktiengesellschaft | Einstufiger Flügelzellenverdichter |
Also Published As
Publication number | Publication date |
---|---|
CN1151486A (zh) | 1997-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo AiFaKe Vacuum Technology Co., Ltd Assignor: Nihon Shinku Gijutsu K.K. Contract fulfillment period: 2007.12.1 to 2013.11.30 contract change Contract record no.: 2008990001227 Denomination of invention: Cooling device for oil-sealed rotary vacuum pump Granted publication date: 20030326 License type: Exclusive license Record date: 20081118 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.1 TO 2013.11.30; CHANGE OF CONTRACT Name of requester: NINGBO AIFAKE VACUUM TECHNOLOGY CO., LTD. Effective date: 20081118 |
|
CX01 | Expiry of patent term |
Granted publication date: 20030326 |
|
EXPY | Termination of patent right or utility model |