CN1061741C - 椭圆转子单螺杆泵 - Google Patents
椭圆转子单螺杆泵 Download PDFInfo
- Publication number
- CN1061741C CN1061741C CN97109866A CN97109866A CN1061741C CN 1061741 C CN1061741 C CN 1061741C CN 97109866 A CN97109866 A CN 97109866A CN 97109866 A CN97109866 A CN 97109866A CN 1061741 C CN1061741 C CN 1061741C
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- elliptical
- pump
- pumping element
- 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 - Lifetime
Links
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 230000010349 pulsation Effects 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009313 farming Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 244000144980 herd Species 0.000 description 1
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97109866A CN1061741C (zh) | 1997-05-11 | 1997-05-11 | 椭圆转子单螺杆泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97109866A CN1061741C (zh) | 1997-05-11 | 1997-05-11 | 椭圆转子单螺杆泵 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170828A CN1170828A (zh) | 1998-01-21 |
CN1061741C true CN1061741C (zh) | 2001-02-07 |
Family
ID=5171258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97109866A Expired - Lifetime CN1061741C (zh) | 1997-05-11 | 1997-05-11 | 椭圆转子单螺杆泵 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1061741C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102434458A (zh) * | 2011-11-22 | 2012-05-02 | 天津荣亨集团股份有限公司 | 适用于油田采油的2/3型线的双头单螺杆泵 |
CN113202688B (zh) * | 2021-05-25 | 2022-04-01 | 中石化江钻石油机械有限公司 | 一种提高使用寿命的螺杆马达及井下动力钻具 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2187686Y (zh) * | 1994-01-24 | 1995-01-18 | 徐至仁 | 双转差动式单螺杆泵 |
RU2043530C1 (ru) * | 1992-08-26 | 1995-09-10 | Владилен Донатович Журилов | Роторно-поршневой двигатель стирлинга |
CN1125293A (zh) * | 1995-12-29 | 1996-06-26 | 西安交通大学 | 椭圆转子压缩机和泵 |
CN2294344Y (zh) * | 1996-12-25 | 1998-10-14 | 洪振声 | 椭圆转子单螺杆泵 |
-
1997
- 1997-05-11 CN CN97109866A patent/CN1061741C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2043530C1 (ru) * | 1992-08-26 | 1995-09-10 | Владилен Донатович Журилов | Роторно-поршневой двигатель стирлинга |
CN2187686Y (zh) * | 1994-01-24 | 1995-01-18 | 徐至仁 | 双转差动式单螺杆泵 |
CN1125293A (zh) * | 1995-12-29 | 1996-06-26 | 西安交通大学 | 椭圆转子压缩机和泵 |
CN2294344Y (zh) * | 1996-12-25 | 1998-10-14 | 洪振声 | 椭圆转子单螺杆泵 |
Also Published As
Publication number | Publication date |
---|---|
CN1170828A (zh) | 1998-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 12 of the detailed rules for the implementation of the patent law: 97109866.2 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 96223348.X utility model patent to be given up, and in the 17 volume of the 6 issue of the new type of communique on the patent right to abandon the announcement. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Hong Zhensheng Document name: payment instructions |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20010207 |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: Hong Zhensheng Document name: Notification of Expiration of Patent Right Duration |