CN100460684C - 机械密封无油罗茨真空泵 - Google Patents
机械密封无油罗茨真空泵 Download PDFInfo
- Publication number
- CN100460684C CN100460684C CNB2007100245954A CN200710024595A CN100460684C CN 100460684 C CN100460684 C CN 100460684C CN B2007100245954 A CNB2007100245954 A CN B2007100245954A CN 200710024595 A CN200710024595 A CN 200710024595A CN 100460684 C CN100460684 C CN 100460684C
- Authority
- CN
- China
- Prior art keywords
- seal ring
- cover
- rear end
- ring
- main shaft
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 41
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Applications Or Details Of Rotary Compressors (AREA)
- Mechanical Sealing (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100245954A CN100460684C (zh) | 2007-06-18 | 2007-06-18 | 机械密封无油罗茨真空泵 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100245954A CN100460684C (zh) | 2007-06-18 | 2007-06-18 | 机械密封无油罗茨真空泵 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101074670A CN101074670A (zh) | 2007-11-21 |
| CN100460684C true CN100460684C (zh) | 2009-02-11 |
Family
ID=38975897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100245954A Expired - Fee Related CN100460684C (zh) | 2007-06-18 | 2007-06-18 | 机械密封无油罗茨真空泵 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100460684C (zh) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104491A (zh) * | 2011-11-11 | 2013-05-15 | 中国科学院沈阳科学仪器研制中心有限公司 | 一种罗茨和爪式转子组合多级干式真空泵 |
| CN102979730A (zh) * | 2012-10-26 | 2013-03-20 | 南通龙鹰真空泵业有限公司 | 罗茨泵 |
| CN103075347A (zh) * | 2013-01-19 | 2013-05-01 | 上海零澜机械科技有限公司 | 一种用于罗茨泵驱动端的间隙自适应混合型双重密封结构 |
| CN103899539A (zh) * | 2014-03-03 | 2014-07-02 | 苏州伊莱茨流体装备有限公司 | 一种具备自循环油密封系统的罗茨真空泵 |
| CN104180968B (zh) * | 2014-08-12 | 2017-01-25 | 中船重工特种设备有限责任公司 | 一种高水压环境下三自由度运动的试验装置 |
| CN105465340B (zh) * | 2016-01-06 | 2018-08-10 | 天地上海采掘装备科技有限公司 | 采铝机开式齿轮的润滑系统 |
| CN105626535A (zh) * | 2016-02-29 | 2016-06-01 | 芜湖环球汽车配件有限公司 | 一种低噪音真空泵 |
| CN108730175A (zh) * | 2018-07-25 | 2018-11-02 | 苏州利达铸造有限公司 | 一种合金泵壳体及其加工方法 |
| CN111622958A (zh) * | 2020-06-30 | 2020-09-04 | 温州市天成密封件制造有限公司 | 一种阻封液循环泵 |
| CN115773245B (zh) * | 2022-12-28 | 2025-08-08 | 宁波天工流体科技股份有限公司 | 一种螺杆压缩机用机械密封 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558870A (en) * | 1977-11-28 | 1985-12-17 | Borg-Warner Corporation | Mechanical seal assembly |
| US4993930A (en) * | 1987-07-22 | 1991-02-19 | Hitachi, Ltd. | Vacuum pump apparatus and shaft sealing device therefor |
| CN1058835A (zh) * | 1990-08-07 | 1992-02-19 | 丁崇光 | 高速曲路机械密封方法及装置 |
| CN2483562Y (zh) * | 2001-05-22 | 2002-03-27 | 祥景精机股份有限公司 | 转动机械用的轴封装置 |
| CN2616716Y (zh) * | 2003-04-28 | 2004-05-19 | 浙江新和成股份有限公司 | 一种改进的罗茨泵 |
| WO2006066692A1 (de) * | 2004-12-21 | 2006-06-29 | Burgmann Industries Gmbh & Co. Kg | Anordnung aus einer welle mit darauf montierter gleitringdichtung |
| CN201050480Y (zh) * | 2007-06-18 | 2008-04-23 | 陈全玉 | 机械密封无油罗茨真空泵 |
-
2007
- 2007-06-18 CN CNB2007100245954A patent/CN100460684C/zh not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558870A (en) * | 1977-11-28 | 1985-12-17 | Borg-Warner Corporation | Mechanical seal assembly |
| US4993930A (en) * | 1987-07-22 | 1991-02-19 | Hitachi, Ltd. | Vacuum pump apparatus and shaft sealing device therefor |
| CN1058835A (zh) * | 1990-08-07 | 1992-02-19 | 丁崇光 | 高速曲路机械密封方法及装置 |
| CN2483562Y (zh) * | 2001-05-22 | 2002-03-27 | 祥景精机股份有限公司 | 转动机械用的轴封装置 |
| CN2616716Y (zh) * | 2003-04-28 | 2004-05-19 | 浙江新和成股份有限公司 | 一种改进的罗茨泵 |
| WO2006066692A1 (de) * | 2004-12-21 | 2006-06-29 | Burgmann Industries Gmbh & Co. Kg | Anordnung aus einer welle mit darauf montierter gleitringdichtung |
| CN201050480Y (zh) * | 2007-06-18 | 2008-04-23 | 陈全玉 | 机械密封无油罗茨真空泵 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101074670A (zh) | 2007-11-21 |
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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: JIANGYIN TIANTIAN VACUUM EQUIPMENT CO., LTD. Assignor: Chen Quanyu Contract fulfillment period: 2009.4.10 to 2014.4.10 contract change Contract record no.: 2009320000964 Denomination of invention: Oilless roots vacuum pump with mechanical seal Granted publication date: 20090211 License type: Exclusive license Record date: 2009.5.31 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.10 TO 2014.4.10; CHANGE OF CONTRACT Name of requester: JIANGYIN TIANTIAN VACUUM EQUIPMENT MANUFACTURING C Effective date: 20090531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20150618 |
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| EXPY | Termination of patent right or utility model |