CN210178396U - 旁路回液液控单向阀 - Google Patents
旁路回液液控单向阀 Download PDFInfo
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- CN210178396U CN210178396U CN201921044007.8U CN201921044007U CN210178396U CN 210178396 U CN210178396 U CN 210178396U CN 201921044007 U CN201921044007 U CN 201921044007U CN 210178396 U CN210178396 U CN 210178396U
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- 239000007788 liquid Substances 0.000 title claims abstract description 90
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000005065 mining Methods 0.000 abstract description 6
- 239000000839 emulsion Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044007.8U CN210178396U (zh) | 2019-07-05 | 2019-07-05 | 旁路回液液控单向阀 |
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| CN201921044007.8U CN210178396U (zh) | 2019-07-05 | 2019-07-05 | 旁路回液液控单向阀 |
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| CN210178396U true CN210178396U (zh) | 2020-03-24 |
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| CN201921044007.8U Active CN210178396U (zh) | 2019-07-05 | 2019-07-05 | 旁路回液液控单向阀 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911203A (zh) * | 2020-08-31 | 2020-11-10 | 北京华泰力达兴业科技有限公司 | 煤矿液压支架用的立柱阀 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911203A (zh) * | 2020-08-31 | 2020-11-10 | 北京华泰力达兴业科技有限公司 | 煤矿液压支架用的立柱阀 |
| CN111911203B (zh) * | 2020-08-31 | 2025-05-02 | 北京华泰力达兴业科技有限公司 | 煤矿液压支架用的立柱阀 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee after: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220725 Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic Development Zone, Henan Province, 450016 Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Patentee after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address |