CN203335404U - 一种爪型干式真空泵用复合密封 - Google Patents
一种爪型干式真空泵用复合密封 Download PDFInfo
- Publication number
- CN203335404U CN203335404U CN2013202657165U CN201320265716U CN203335404U CN 203335404 U CN203335404 U CN 203335404U CN 2013202657165 U CN2013202657165 U CN 2013202657165U CN 201320265716 U CN201320265716 U CN 201320265716U CN 203335404 U CN203335404 U CN 203335404U
- Authority
- CN
- China
- Prior art keywords
- seal
- boss
- oil sealing
- skeleton oil
- lug boss
- 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
- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 58
- 210000000078 claw Anatomy 0.000 claims description 14
- 235000014121 butter Nutrition 0.000 claims description 11
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- 239000004519 grease Substances 0.000 abstract 2
- 239000002828 fuel tank Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
Images
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202657165U CN203335404U (zh) | 2013-05-16 | 2013-05-16 | 一种爪型干式真空泵用复合密封 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202657165U CN203335404U (zh) | 2013-05-16 | 2013-05-16 | 一种爪型干式真空泵用复合密封 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335404U true CN203335404U (zh) | 2013-12-11 |
Family
ID=49704081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202657165U Expired - Lifetime CN203335404U (zh) | 2013-05-16 | 2013-05-16 | 一种爪型干式真空泵用复合密封 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335404U (zh) |
-
2013
- 2013-05-16 CN CN2013202657165U patent/CN203335404U/zh not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Compound seal for claw-type dry vacuum pump Effective date of registration: 20141229 Granted publication date: 20131211 Pledgee: Zibo financial letter financing Company limited by guarantee Pledgor: ZIBO ZEYI VACUUM EQUIPMENT Co.,Ltd. Registration number: 2014990001154 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160511 Granted publication date: 20131211 Pledgee: Zibo financial letter financing Company limited by guarantee Pledgor: ZIBO ZEYI VACUUM EQUIPMENT Co.,Ltd. Registration number: 2014990001154 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Compound seal for claw-type dry vacuum pump Effective date of registration: 20160629 Granted publication date: 20131211 Pledgee: Zibo financial letter financing Company limited by guarantee Pledgor: ZIBO ZEYI VACUUM EQUIPMENT Co.,Ltd. Registration number: 2016990000546 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170217 Granted publication date: 20131211 Pledgee: Zibo financial letter financing Company limited by guarantee Pledgor: ZIBO ZEYI VACUUM EQUIPMENT Co.,Ltd. Registration number: 2016990000546 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |