CN202646139U - 平衡压力密封装置 - Google Patents
平衡压力密封装置 Download PDFInfo
- Publication number
- CN202646139U CN202646139U CN201220183049.1U CN201220183049U CN202646139U CN 202646139 U CN202646139 U CN 202646139U CN 201220183049 U CN201220183049 U CN 201220183049U CN 202646139 U CN202646139 U CN 202646139U
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- CN
- China
- Prior art keywords
- impeller
- rings
- ring
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- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220183049.1U CN202646139U (zh) | 2012-04-27 | 2012-04-27 | 平衡压力密封装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220183049.1U CN202646139U (zh) | 2012-04-27 | 2012-04-27 | 平衡压力密封装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202646139U true CN202646139U (zh) | 2013-01-02 |
Family
ID=47415256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201220183049.1U Expired - Lifetime CN202646139U (zh) | 2012-04-27 | 2012-04-27 | 平衡压力密封装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202646139U (zh) |
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2012
- 2012-04-27 CN CN201220183049.1U patent/CN202646139U/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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Richen Environmental Technology Co., Ltd. Assignor: Chen Zhaofeng Contract record no.: 2013320010146 Denomination of utility model: Balanced pressure sealing device Granted publication date: 20130102 License type: Exclusive License Record date: 20130909 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: 201818 2, 1501, 1519, 1533, Chengliu Middle Road, Jiading District, Shanghai. Patentee after: Shanghai Rui Chen environmental protection Polytron Technologies Inc Address before: 211500 No. 2 Huancheng Middle Road, Xiongzhou Town, Liuhe District, Nanjing City, Jiangsu Province Patentee before: Chen Zhaofeng |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
CX01 | Expiry of patent term |