CN1065026C - 两级旋转真空泵 - Google Patents
两级旋转真空泵 Download PDFInfo
- Publication number
- CN1065026C CN1065026C CN941151344A CN94115134A CN1065026C CN 1065026 C CN1065026 C CN 1065026C CN 941151344 A CN941151344 A CN 941151344A CN 94115134 A CN94115134 A CN 94115134A CN 1065026 C CN1065026 C CN 1065026C
- Authority
- CN
- China
- Prior art keywords
- pump
- cylinder
- grade
- oil
- cooling
- 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
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP247556/1993 | 1993-09-08 | ||
JP247556/93 | 1993-09-08 | ||
JP24755693A JP3386202B2 (ja) | 1993-09-08 | 1993-09-08 | 2段式油回転真空ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1105426A CN1105426A (zh) | 1995-07-19 |
CN1065026C true CN1065026C (zh) | 2001-04-25 |
Family
ID=17165254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN941151344A Expired - Lifetime CN1065026C (zh) | 1993-09-08 | 1994-09-08 | 两级旋转真空泵 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3386202B2 (zh) |
CN (1) | CN1065026C (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10156179A1 (de) * | 2001-11-15 | 2003-05-28 | Leybold Vakuum Gmbh | Kühlung einer Schraubenvakuumpumpe |
CN100453946C (zh) * | 2006-05-08 | 2009-01-21 | 杭州金舟电炉有限公司 | 一种风冷式油路自循环冷却系统 |
JP5746887B2 (ja) * | 2011-03-18 | 2015-07-08 | アルバック機工株式会社 | 油回転真空ポンプ |
KR101630827B1 (ko) | 2014-06-27 | 2016-06-15 | (주) 씨엠테크 | 멸균장치의 진공배기 시스템 |
DK3161318T3 (da) * | 2014-06-27 | 2020-03-09 | Ateliers Busch S A | Fremgangsmåde til pumpning i et system af vakuumpumper samt system af vakuumpumper |
CN105275820B (zh) * | 2014-07-07 | 2017-06-16 | 上海汉钟精机股份有限公司 | 干式真空泵轴封离心冷却机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939982A (ja) * | 1982-08-28 | 1984-03-05 | Kashiyama Kogyo Kk | 真空ポンプの冷却機構 |
WO1989012169A1 (en) * | 1988-05-30 | 1989-12-14 | Siemens Aktiengesellschaft | Vacuum pump unit arranged on a transportable support frame |
EP0347706A1 (de) * | 1988-06-24 | 1989-12-27 | Siemens Aktiengesellschaft | Mehrstufiges Vakuumpumpenaggregat |
-
1993
- 1993-09-08 JP JP24755693A patent/JP3386202B2/ja not_active Expired - Lifetime
-
1994
- 1994-09-08 CN CN941151344A patent/CN1065026C/zh not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939982A (ja) * | 1982-08-28 | 1984-03-05 | Kashiyama Kogyo Kk | 真空ポンプの冷却機構 |
WO1989012169A1 (en) * | 1988-05-30 | 1989-12-14 | Siemens Aktiengesellschaft | Vacuum pump unit arranged on a transportable support frame |
EP0347706A1 (de) * | 1988-06-24 | 1989-12-27 | Siemens Aktiengesellschaft | Mehrstufiges Vakuumpumpenaggregat |
Also Published As
Publication number | Publication date |
---|---|
JPH0777184A (ja) | 1995-03-20 |
CN1105426A (zh) | 1995-07-19 |
JP3386202B2 (ja) | 2003-03-17 |
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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: Rotative vacuum pump composed of two parts Granted publication date: 20010210 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 |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20140908 Granted publication date: 20010425 |