CN101614229B - Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve - Google Patents
Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve Download PDFInfo
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- CN101614229B CN101614229B CN2009103048444A CN200910304844A CN101614229B CN 101614229 B CN101614229 B CN 101614229B CN 2009103048444 A CN2009103048444 A CN 2009103048444A CN 200910304844 A CN200910304844 A CN 200910304844A CN 101614229 B CN101614229 B CN 101614229B
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 40
- 239000003921 oil Substances 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009103048444A CN101614229B (en) | 2009-07-27 | 2009-07-27 | Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve |
Applications Claiming Priority (1)
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CN2009103048444A CN101614229B (en) | 2009-07-27 | 2009-07-27 | Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve |
Publications (2)
Publication Number | Publication Date |
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CN101614229A CN101614229A (en) | 2009-12-30 |
CN101614229B true CN101614229B (en) | 2011-04-13 |
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CN2009103048444A Active CN101614229B (en) | 2009-07-27 | 2009-07-27 | Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve |
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CN (1) | CN101614229B (en) |
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CN101614229A (en) | 2009-12-30 |
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Legal Events
Date | Code | Title | Description |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHANGSHA DIPU MECHANICAL TECHNOLOGY CO., LTD. Assignor: Li Xinqiao Contract record no.: 2012430000005 Denomination of invention: Pressure-supplementing and pressure-releasing double control electromagnetic hydraulic valve Granted publication date: 20110413 License type: Exclusive License Open date: 20091230 Record date: 20120227 |
|
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: CHANGSHA DIPU MECHANICAL TECHNOLOGY CO., LTD. Assignor: Li Xinqiao Contract record no.: 2012430000005 Date of cancellation: 20131115 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
ASS | Succession or assignment of patent right |
Owner name: HENGTIAN CHUANGFENG HEAVY INDUSTRY CO., LTD. Free format text: FORMER OWNER: LI XINQIAO Effective date: 20131230 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 224100 YANCHENG, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20131230 Address after: 224100 Dafeng Industrial Park office, Dafeng City, Jiangsu Province Patentee after: CHTC CHUANG FENG HEAVY INDUSTRY CO., LTD. Address before: 410100 No. 3 East six line, Changsha economic and Technological Development Zone, Hunan Patentee before: Li Xinqiao |