CN202032290U - Integrated positive/negative pressure protector - Google Patents
Integrated positive/negative pressure protector Download PDFInfo
- Publication number
- CN202032290U CN202032290U CN2011201433577U CN201120143357U CN202032290U CN 202032290 U CN202032290 U CN 202032290U CN 2011201433577 U CN2011201433577 U CN 2011201433577U CN 201120143357 U CN201120143357 U CN 201120143357U CN 202032290 U CN202032290 U CN 202032290U
- Authority
- CN
- China
- Prior art keywords
- protector
- negative pressure
- cylindrical shell
- water
- pressure
- 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
- 230000001012 protector Effects 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201433577U CN202032290U (en) | 2011-05-09 | 2011-05-09 | Integrated positive/negative pressure protector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201433577U CN202032290U (en) | 2011-05-09 | 2011-05-09 | Integrated positive/negative pressure protector |
Publications (1)
Publication Number | Publication Date |
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CN202032290U true CN202032290U (en) | 2011-11-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011201433577U Expired - Fee Related CN202032290U (en) | 2011-05-09 | 2011-05-09 | Integrated positive/negative pressure protector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202032290U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103062624A (en) * | 2013-01-08 | 2013-04-24 | 北京德中绿源设备有限公司 | Positive and negative pressure protector |
WO2021232673A1 (en) * | 2020-05-22 | 2021-11-25 | 广东电网有限责任公司清远供电局 | Gas pressure protection device |
-
2011
- 2011-05-09 CN CN2011201433577U patent/CN202032290U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103062624A (en) * | 2013-01-08 | 2013-04-24 | 北京德中绿源设备有限公司 | Positive and negative pressure protector |
CN103062624B (en) * | 2013-01-08 | 2016-01-20 | 北京三益能源环保发展股份有限公司 | A kind of positive/negative pressure protector |
WO2021232673A1 (en) * | 2020-05-22 | 2021-11-25 | 广东电网有限责任公司清远供电局 | Gas pressure protection device |
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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: BEIJING SANYI ENERGY + ENVIRONMENTAL PROTECTION DE Free format text: FORMER NAME: BEIJING SANYI ECOSYSTEM + ENVIRONMENTAL ENGINEERING CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100070, Beijing Fengtai District Science City, No. 4, Feng Feng Road, No. 6 Patentee after: Beijing Sanyi Green Enery Development Co., Ltd. Address before: 100070, Beijing Fengtai District Science City, No. 4, Feng Feng Road, No. 6 Patentee before: Beijing Sanyi Ecosystem & Environmental Engineering Co., Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Integrated positive and negative pressure protector Effective date of registration: 20121123 Granted publication date: 20111109 Pledgee: Industrial Commercial Bank of China Ltd Beijing Fengtai branch Pledgor: Beijing Sanyi Green Enery Development Co., Ltd. Registration number: 2012990000731 |
|
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: Integrated positive and negative pressure protector Effective date of registration: 20121123 Granted publication date: 20111109 Pledgee: Industrial Commercial Bank of China Ltd Beijing Fengtai branch Pledgor: Beijing Sanyi Green Enery Development Co., Ltd. Registration number: 2012990000731 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20170509 |