CN2903510Y - 自动差动阀 - Google Patents
自动差动阀 Download PDFInfo
- Publication number
- CN2903510Y CN2903510Y CN 200620023902 CN200620023902U CN2903510Y CN 2903510 Y CN2903510 Y CN 2903510Y CN 200620023902 CN200620023902 CN 200620023902 CN 200620023902 U CN200620023902 U CN 200620023902U CN 2903510 Y CN2903510 Y CN 2903510Y
- Authority
- CN
- China
- Prior art keywords
- oil
- oilhole
- opening
- piston
- spool
- 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
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- Safety Valves (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620023902 CN2903510Y (zh) | 2006-03-27 | 2006-03-27 | 自动差动阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620023902 CN2903510Y (zh) | 2006-03-27 | 2006-03-27 | 自动差动阀 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2903510Y true CN2903510Y (zh) | 2007-05-23 |
Family
ID=38078921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620023902 Expired - Lifetime CN2903510Y (zh) | 2006-03-27 | 2006-03-27 | 自动差动阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2903510Y (zh) |
-
2006
- 2006-03-27 CN CN 200620023902 patent/CN2903510Y/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: HENGSHUI HAIJIANG FILTER PRESS GROUP CO., LTD. Assignor: Qin Sufang Contract fulfillment period: 2009.3.31 to 2015.12.31 Contract record no.: 2009130000051 Denomination of utility model: Automatic differential valve Granted publication date: 20070523 License type: Exclusive license Record date: 20090415 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.31 TO 2015.12.31; CHANGE OF CONTRACT Name of requester: HENGSHUI HAIJIANG FILTER PRESS GROUP CO.,LTD. Effective date: 20090415 |
|
CX01 | Expiry of patent term |
Granted publication date: 20070523 |
|
EXPY | Termination of patent right or utility model |