CN200978785Y - 可改变单缸有效排量的流量比例分配多缸往复泵 - Google Patents
可改变单缸有效排量的流量比例分配多缸往复泵 Download PDFInfo
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- CN200978785Y CN200978785Y CN 200620120668 CN200620120668U CN200978785Y CN 200978785 Y CN200978785 Y CN 200978785Y CN 200620120668 CN200620120668 CN 200620120668 CN 200620120668 U CN200620120668 U CN 200620120668U CN 200978785 Y CN200978785 Y CN 200978785Y
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- Prior art keywords
- cylinder
- plunger
- effective discharge
- servo
- distribution multi
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- 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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- Reciprocating Pumps (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620120668 CN200978785Y (zh) | 2006-06-26 | 2006-06-26 | 可改变单缸有效排量的流量比例分配多缸往复泵 |
Applications Claiming Priority (1)
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CN 200620120668 CN200978785Y (zh) | 2006-06-26 | 2006-06-26 | 可改变单缸有效排量的流量比例分配多缸往复泵 |
Publications (1)
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CN200978785Y true CN200978785Y (zh) | 2007-11-21 |
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CN 200620120668 Expired - Lifetime CN200978785Y (zh) | 2006-06-26 | 2006-06-26 | 可改变单缸有效排量的流量比例分配多缸往复泵 |
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CN (1) | CN200978785Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102155373A (zh) * | 2011-05-19 | 2011-08-17 | 宁波合力机泵有限公司 | 一种气控变量往复泵 |
CN104196513A (zh) * | 2014-08-15 | 2014-12-10 | 武汉嗨拓科技有限公司 | 流量可调的压裂作业系统 |
-
2006
- 2006-06-26 CN CN 200620120668 patent/CN200978785Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102155373A (zh) * | 2011-05-19 | 2011-08-17 | 宁波合力机泵有限公司 | 一种气控变量往复泵 |
CN104196513A (zh) * | 2014-08-15 | 2014-12-10 | 武汉嗨拓科技有限公司 | 流量可调的压裂作业系统 |
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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: Daqing Demeiteer Pump Manufacture Co., Ltd. Assignor: Dafeng Oil Field Tech Co., Ltd., Daqing Contract fulfillment period: 2008.7.16 to 2015.7.16 Contract record no.: 2008230000088 Denomination of utility model: Flow proportion distribution multi-cylinder reciprocating pump capable of changing single-cylinder effective discharge volume Granted publication date: 20071121 License type: Exclusive license Record date: 20081013 |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wanaopu (Beijing) Petroleum Engineering Technology Development Research Institute Co., Ltd. Assignor: Daqing Demeiteer Pump Manufacture Co., Ltd.|Dafeng Oil Field Tech Co., Ltd., Daqing Contract fulfillment period: 2008.10.9 to 2015.10.9 Contract record no.: 2008990001359 Denomination of utility model: Flow proportion distribution multi-cylinder reciprocating pump capable of changing single-cylinder effective discharge volume Granted publication date: 20071121 License type: Exclusive license Record date: 20081204 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.16 TO 2015.7.16; CHANGE OF CONTRACT Name of requester: DAQING DEMEI TE R PUMP MANUFACTURING CO., LTD. Effective date: 20081013 Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.9 TO 2015.10.9; CHANGE OF CONTRACT Name of requester: WANAOPU (BEIJING) PETROLEUM ENGINEERING TECHNOLOGY Effective date: 20081204 |
|
CX01 | Expiry of patent term |
Granted publication date: 20071121 |
|
EXPY | Termination of patent right or utility model |