CN1205415C - Gear pump - Google Patents
Gear pump Download PDFInfo
- Publication number
- CN1205415C CN1205415C CN 02156249 CN02156249A CN1205415C CN 1205415 C CN1205415 C CN 1205415C CN 02156249 CN02156249 CN 02156249 CN 02156249 A CN02156249 A CN 02156249A CN 1205415 C CN1205415 C CN 1205415C
- Authority
- CN
- China
- Prior art keywords
- safety valve
- gear pump
- pump
- pump shell
- pump case
- 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.)
- Expired - Fee Related
Links
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02156249 CN1205415C (en) | 2002-12-11 | 2002-12-11 | Gear pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02156249 CN1205415C (en) | 2002-12-11 | 2002-12-11 | Gear pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1420278A CN1420278A (en) | 2003-05-28 |
CN1205415C true CN1205415C (en) | 2005-06-08 |
Family
ID=4752717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02156249 Expired - Fee Related CN1205415C (en) | 2002-12-11 | 2002-12-11 | Gear pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1205415C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100429403C (en) * | 2006-12-29 | 2008-10-29 | 哈尔滨工业大学 | Gear pump with built in outer controlled overflow valve |
WO2011076172A2 (en) * | 2009-12-21 | 2011-06-30 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic control |
CN110863982A (en) * | 2019-11-28 | 2020-03-06 | 江苏金湖输油泵有限公司 | High-power engine fuel feed pump |
-
2002
- 2002-12-11 CN CN 02156249 patent/CN1205415C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1420278A (en) | 2003-05-28 |
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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 | ||
PP01 | Preservation of patent right |
Effective date of registration: 20050415 Pledge (preservation): Preservation |
|
PD01 | Discharge of preservation of patent |
Date of registration: 20051015 Pledge (preservation): Preservation |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Jushen Pumps Industry Co., Ltd. Assignor: Tu Xuelong Contract fulfillment period: 2008.7.5 to 2013.7.5 Contract record no.: 2008330000678 Denomination of invention: Process of casting gear pump rear cover Granted publication date: 20050608 License type: Exclusive license Record date: 20080926 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.5 TO 2013.7.5; CHANGE OF CONTRACT Name of requester: NINGBO JUSHEN PUMP-MAKING INDUSTRY CO.,LTD. Effective date: 20080926 |
|
ASS | Succession or assignment of patent right |
Owner name: TU JIALI Free format text: FORMER OWNER: TU XUELONG Effective date: 20110504 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311602 BAOJIA VILLAGE, QIANTAN TOWN, JIANDE, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 311602 NO. 10, ZHUANGTAIWU, BAOJIA, XINCHENG VILLAGE, QIANTAN TOWN, JIANDE CITY, HANGZHOU CITY, ZHEJIANG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110504 Address after: Jiande Qiantan Xincheng village in Hangzhou City, Zhejiang province 311602 Bao Jia Zhuang station dock No. 10 Patentee after: Tu Jiali Address before: Hangzhou City, Zhejiang province 311602 Jiande Qiantan package Village Patentee before: Tu Xuelong |
|
ASS | Succession or assignment of patent right |
Owner name: HANGZHOU YUANKUN HYDRAULIC MECHANICAL CO., LTD. Free format text: FORMER OWNER: TU JIALI Effective date: 20111014 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311602 HANGZHOU, ZHEJIANG PROVINCE TO: 311604 HANGZHOU, ZHEJIANG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20111014 Address after: 311604, Zhejiang province Jiande town Mei family village Patentee after: Yuankun Hydraulic Mechanical Co., Ltd. Address before: Jiande Qiantan Xincheng village in Hangzhou City, Zhejiang province 311602 Bao Jia Zhuang station dock No. 10 Patentee before: Tu Jiali |
|
ASS | Succession or assignment of patent right |
Owner name: TU XUELONG Free format text: FORMER OWNER: HANGZHOU YUANKUN HYDRAULIC MECHANICAL CO., LTD. Effective date: 20121102 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311604 HANGZHOU, ZHEJIANG PROVINCE TO: 311602 HANGZHOU, ZHEJIANG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121102 Address after: 311602 Zhejiang province Jiande Qiantan family village station dock No. 10 Patentee after: Tu Xuelong Address before: 311604, Zhejiang province Jiande town Mei family village Patentee before: Yuankun Hydraulic Mechanical Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050608 Termination date: 20141211 |
|
EXPY | Termination of patent right or utility model |