CN101328983B - 变量手先导阀 - Google Patents
变量手先导阀 Download PDFInfo
- Publication number
- CN101328983B CN101328983B CN2008100628481A CN200810062848A CN101328983B CN 101328983 B CN101328983 B CN 101328983B CN 2008100628481 A CN2008100628481 A CN 2008100628481A CN 200810062848 A CN200810062848 A CN 200810062848A CN 101328983 B CN101328983 B CN 101328983B
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- CN
- China
- Prior art keywords
- piston rod
- pressure
- valve body
- variable
- piston
- 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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- Fluid-Driven Valves (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100628481A CN101328983B (zh) | 2008-07-01 | 2008-07-01 | 变量手先导阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100628481A CN101328983B (zh) | 2008-07-01 | 2008-07-01 | 变量手先导阀 |
Publications (2)
Publication Number | Publication Date |
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CN101328983A CN101328983A (zh) | 2008-12-24 |
CN101328983B true CN101328983B (zh) | 2012-02-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008100628481A Active CN101328983B (zh) | 2008-07-01 | 2008-07-01 | 变量手先导阀 |
Country Status (1)
Country | Link |
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CN (1) | CN101328983B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111059324B (zh) * | 2020-01-03 | 2021-09-28 | 山推工程机械股份有限公司 | 一种液控先导阀及推土机 |
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
- 2008-07-01 CN CN2008100628481A patent/CN101328983B/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 (3)
Title |
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JP特开2007-205427A 2007.08.16 |
JP特开平10-246342A 1998.09.14 |
JP特开平8-82304A 1996.03.26 |
Also Published As
Publication number | Publication date |
---|---|
CN101328983A (zh) | 2008-12-24 |
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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 |
Denomination of invention: Variable manual pilot valve Effective date of registration: 20181220 Granted publication date: 20120222 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 | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200908 Granted publication date: 20120222 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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable hand pilot valve Effective date of registration: 20200917 Granted publication date: 20120222 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG STRONGER HYDRAULIC Co.,Ltd. Registration number: Y2020330000683 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |