CN203335403U - 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 - Google Patents
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 Download PDFInfo
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- CN203335403U CN203335403U CN2013200694992U CN201320069499U CN203335403U CN 203335403 U CN203335403 U CN 203335403U CN 2013200694992 U CN2013200694992 U CN 2013200694992U CN 201320069499 U CN201320069499 U CN 201320069499U CN 203335403 U CN203335403 U CN 203335403U
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- sealing
- seal
- roots pump
- sealing gland
- mechanical
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- 238000007789 sealing Methods 0.000 claims abstract description 73
- 210000004907 gland Anatomy 0.000 claims abstract description 23
- 230000003044 adaptive effect Effects 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 abstract 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
- Mechanical Sealing (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200694992U CN203335403U (zh) | 2013-01-19 | 2013-02-06 | 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 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320027563 | 2013-01-19 | ||
| CN201320027563.0 | 2013-01-19 | ||
| CN2013200694992U CN203335403U (zh) | 2013-01-19 | 2013-02-06 | 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335403U true CN203335403U (zh) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013200694992U Expired - Lifetime CN203335403U (zh) | 2013-01-19 | 2013-02-06 | 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 |
Country Status (1)
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| CN (1) | CN203335403U (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110594156A (zh) * | 2019-09-23 | 2019-12-20 | 兑通真空技术(上海)有限公司 | 一种三轴多级罗茨泵的驱动结构 |
| CN114993399A (zh) * | 2022-04-14 | 2022-09-02 | 上海真兰工业自动化仪表有限公司 | 一种气体腰轮流量计及其实时准确度监测方法 |
-
2013
- 2013-02-06 CN CN2013200694992U patent/CN203335403U/zh not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110594156A (zh) * | 2019-09-23 | 2019-12-20 | 兑通真空技术(上海)有限公司 | 一种三轴多级罗茨泵的驱动结构 |
| CN114993399A (zh) * | 2022-04-14 | 2022-09-02 | 上海真兰工业自动化仪表有限公司 | 一种气体腰轮流量计及其实时准确度监测方法 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ELIVAC VACUUM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI ELIVAC COMPANY, LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Baihe Town, Qingpu District, Shanghai city 2963 201709 waiqingsong Highway No. 2 Lane 6 Building second layer Patentee after: ELIVAC Co.,Ltd. Patentee after: Xiao ran Address before: Baihe Town, Qingpu District, Shanghai city 2963 201709 waiqingsong Highway No. 2 Lane 6 Building second layer Patentee before: Shanghai ELIVAC Co.,Ltd. Patentee before: Xiao Ran |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |