CN101319729B - 变量脚先导阀 - Google Patents
变量脚先导阀 Download PDFInfo
- Publication number
- CN101319729B CN101319729B CN2008100627614A CN200810062761A CN101319729B CN 101319729 B CN101319729 B CN 101319729B CN 2008100627614 A CN2008100627614 A CN 2008100627614A CN 200810062761 A CN200810062761 A CN 200810062761A CN 101319729 B CN101319729 B CN 101319729B
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- CN
- China
- Prior art keywords
- oil
- piston rod
- valve body
- variable
- back chamber
- 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.)
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- Safety Valves (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100627614A CN101319729B (zh) | 2008-07-02 | 2008-07-02 | 变量脚先导阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100627614A CN101319729B (zh) | 2008-07-02 | 2008-07-02 | 变量脚先导阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101319729A CN101319729A (zh) | 2008-12-10 |
CN101319729B true CN101319729B (zh) | 2012-02-15 |
Family
ID=40179930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008100627614A Active CN101319729B (zh) | 2008-07-02 | 2008-07-02 | 变量脚先导阀 |
Country Status (1)
Country | Link |
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CN (1) | CN101319729B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103335163A (zh) * | 2013-06-24 | 2013-10-02 | 玉林市富山液压件制造有限公司 | 一种带缓冲功能的行走先导阀 |
CN105402443B (zh) * | 2015-12-18 | 2017-07-28 | 河北华春液压汽配有限公司 | 多路控制气阀 |
CN106763839B (zh) * | 2016-12-22 | 2023-03-14 | 北京北方车辆集团有限公司 | 气动式脚踏控制开关 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251660A (en) * | 1988-03-31 | 1993-10-12 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic pilot valve unit |
-
2008
- 2008-07-02 CN CN2008100627614A patent/CN101319729B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5251660A (en) * | 1988-03-31 | 1993-10-12 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic pilot valve unit |
Non-Patent Citations (1)
Title |
---|
JP平4-145202A 1992.05.19 |
Also Published As
Publication number | Publication date |
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CN101319729A (zh) | 2008-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable pin pilot valve Effective date of registration: 20181220 Granted publication date: 20120215 Pledgee: Industrial Commercial Bank of China Ltd Yuhuan branch Pledgor: Zhejiang Stronger Hydraulic Co., Ltd. Registration number: 2018330000487 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200908 Granted publication date: 20120215 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG STRONGER HYDRAULIC Co.,Ltd. Registration number: 2018330000487 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable foot pilot valve Effective date of registration: 20200917 Granted publication date: 20120215 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG STRONGER HYDRAULIC Co.,Ltd. Registration number: Y2020330000683 |