CN201344126Y - Oil-less dry type screw vacuum pump - Google Patents
Oil-less dry type screw vacuum pump Download PDFInfo
- Publication number
- CN201344126Y CN201344126Y CNU2008202259612U CN200820225961U CN201344126Y CN 201344126 Y CN201344126 Y CN 201344126Y CN U2008202259612 U CNU2008202259612 U CN U2008202259612U CN 200820225961 U CN200820225961 U CN 200820225961U CN 201344126 Y CN201344126 Y CN 201344126Y
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- CN
- China
- Prior art keywords
- screw rod
- oil
- driven
- initiatively
- driven screw
- 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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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202259612U CN201344126Y (en) | 2008-11-21 | 2008-11-21 | Oil-less dry type screw vacuum pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202259612U CN201344126Y (en) | 2008-11-21 | 2008-11-21 | Oil-less dry type screw vacuum pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201344126Y true CN201344126Y (en) | 2009-11-11 |
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ID=41275708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008202259612U Expired - Lifetime CN201344126Y (en) | 2008-11-21 | 2008-11-21 | Oil-less dry type screw vacuum pump |
Country Status (1)
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CN (1) | CN201344126Y (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876268A (en) * | 2010-03-31 | 2010-11-03 | 芜湖杰锋汽车动力系统有限公司 | Mechanical supercharger structure |
CN102242714A (en) * | 2010-05-10 | 2011-11-16 | 北京朗禾科技有限公司 | Compound seal device of claw type dry vacuum pump |
CN102410224A (en) * | 2010-08-26 | 2012-04-11 | 维科普兰德有限两合公司 | Vacuum pump |
CN102410219A (en) * | 2011-11-24 | 2012-04-11 | 威海智德真空科技有限公司 | Vertical dry type screw rod vacuum pump |
CN102644601A (en) * | 2012-04-16 | 2012-08-22 | 北京朗禾真空设备有限公司 | Novel vertical oil-less pump |
CN102852798A (en) * | 2012-08-14 | 2013-01-02 | 杭州新安江工业泵有限公司 | Roots vacuum pump cooling system |
CN105889068A (en) * | 2016-06-12 | 2016-08-24 | 无锡市四方真空设备有限公司 | Screw vacuum pump with piston ring sealing and mechanical sealing structures |
CN106678041A (en) * | 2017-02-21 | 2017-05-17 | 东北大学 | External balance type screw vacuum pump |
CN109441810A (en) * | 2018-12-10 | 2019-03-08 | 江阴爱尔姆真空设备有限公司 | A kind of oil-free dry screw vacuum pump |
CN109723643A (en) * | 2018-12-20 | 2019-05-07 | 江阴爱尔姆真空设备有限公司 | A kind of screw vacuum pump for clearing up dust |
CN110886699A (en) * | 2019-11-29 | 2020-03-17 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
-
2008
- 2008-11-21 CN CNU2008202259612U patent/CN201344126Y/en not_active Expired - Lifetime
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876268A (en) * | 2010-03-31 | 2010-11-03 | 芜湖杰锋汽车动力系统有限公司 | Mechanical supercharger structure |
CN101876268B (en) * | 2010-03-31 | 2013-08-07 | 芜湖杰锋汽车动力系统有限公司 | Mechanical supercharger structure |
CN102242714A (en) * | 2010-05-10 | 2011-11-16 | 北京朗禾科技有限公司 | Compound seal device of claw type dry vacuum pump |
CN102410224A (en) * | 2010-08-26 | 2012-04-11 | 维科普兰德有限两合公司 | Vacuum pump |
CN102410219A (en) * | 2011-11-24 | 2012-04-11 | 威海智德真空科技有限公司 | Vertical dry type screw rod vacuum pump |
CN102644601B (en) * | 2012-04-16 | 2014-12-17 | 北京朗禾众鑫真空科技有限公司 | Novel vertical oil-less pump |
CN102644601A (en) * | 2012-04-16 | 2012-08-22 | 北京朗禾真空设备有限公司 | Novel vertical oil-less pump |
CN102852798B (en) * | 2012-08-14 | 2015-05-20 | 杭州新安江工业泵有限公司 | Roots vacuum pump cooling system |
CN102852798A (en) * | 2012-08-14 | 2013-01-02 | 杭州新安江工业泵有限公司 | Roots vacuum pump cooling system |
CN105889068A (en) * | 2016-06-12 | 2016-08-24 | 无锡市四方真空设备有限公司 | Screw vacuum pump with piston ring sealing and mechanical sealing structures |
CN106678041A (en) * | 2017-02-21 | 2017-05-17 | 东北大学 | External balance type screw vacuum pump |
CN106678041B (en) * | 2017-02-21 | 2018-05-25 | 东北大学 | A kind of outer balance type screw vacuum pump |
CN109441810A (en) * | 2018-12-10 | 2019-03-08 | 江阴爱尔姆真空设备有限公司 | A kind of oil-free dry screw vacuum pump |
CN109723643A (en) * | 2018-12-20 | 2019-05-07 | 江阴爱尔姆真空设备有限公司 | A kind of screw vacuum pump for clearing up dust |
CN110886699A (en) * | 2019-11-29 | 2020-03-17 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
CN110886699B (en) * | 2019-11-29 | 2021-07-06 | 海门市晶盛真空设备有限公司 | Pump case of screw vacuum pump |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091023 Address after: Shandong province Zibo city Zhangdian District Ma Shang Zhen Xiao Tao Cun, zip code: 255090 Co-patentee after: Sun Chengzhong Patentee after: Shandong Bozhong Vacuum Equipment Co. Ltd. Address before: Shandong province Zibo city Zhangdian District Ma Shang Zhen Xiao Tao Cun, zip code: 255090 Patentee before: Shandong Bozhong Vacuum Equipment Co. Ltd. |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 255090 Shandong Province, Zibo city Zhangdian District Ma Shang Zhen small village Co-patentee after: Sun Chengzhong Patentee after: Shandong Bozhong Vacuum Equipment Co., Ltd. Address before: 255090 Shandong Province, Zibo city Zhangdian District Ma Shang Zhen small village Co-patentee before: Sun Chengzhong Patentee before: Shandong Bozhong Vacuum Equipment Co. Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20091111 |
|
CX01 | Expiry of patent term |