CN100360809C - Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump - Google Patents
Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump Download PDFInfo
- Publication number
- CN100360809C CN100360809C CNB2005100609769A CN200510060976A CN100360809C CN 100360809 C CN100360809 C CN 100360809C CN B2005100609769 A CNB2005100609769 A CN B2005100609769A CN 200510060976 A CN200510060976 A CN 200510060976A CN 100360809 C CN100360809 C CN 100360809C
- Authority
- CN
- China
- Prior art keywords
- screw
- camber line
- double threaded
- circle camber
- root
- 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
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- Rotary Pumps (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100609769A CN100360809C (en) | 2005-09-30 | 2005-09-30 | Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100609769A CN100360809C (en) | 2005-09-30 | 2005-09-30 | Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1743677A CN1743677A (en) | 2006-03-08 |
CN100360809C true CN100360809C (en) | 2008-01-09 |
Family
ID=36139171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100609769A Expired - Fee Related CN100360809C (en) | 2005-09-30 | 2005-09-30 | Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100360809C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1399161B1 (en) | 2010-03-26 | 2013-04-11 | Seco S R L | LIGHTING DEVICE EQUIPPED WITH MEANS OF RECEPTION AND DIFFUSION OF MULTIMEDIA CONTENT. |
JP2012207660A (en) * | 2011-03-11 | 2012-10-25 | Toyota Industries Corp | Screw pump |
CN102797673B (en) * | 2011-05-24 | 2016-03-02 | 重庆德衡科技有限公司 | Embedded compound tooth-shaped screw pump |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4773837A (en) * | 1985-06-24 | 1988-09-27 | Kawasaki Jukogyo Kabushiki Kaisha | Screw pump |
JP2001073959A (en) * | 1999-08-31 | 2001-03-21 | Shigeyoshi Osada | Screw pump |
CN1140711C (en) * | 2001-01-21 | 2004-03-03 | 华南理工大学 | Toothed screw bolt |
CN1584337A (en) * | 2004-06-14 | 2005-02-23 | 浙江大学 | Screw tooth form of double-screw air compressor |
-
2005
- 2005-09-30 CN CNB2005100609769A patent/CN100360809C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4773837A (en) * | 1985-06-24 | 1988-09-27 | Kawasaki Jukogyo Kabushiki Kaisha | Screw pump |
JP2001073959A (en) * | 1999-08-31 | 2001-03-21 | Shigeyoshi Osada | Screw pump |
CN1140711C (en) * | 2001-01-21 | 2004-03-03 | 华南理工大学 | Toothed screw bolt |
CN1584337A (en) * | 2004-06-14 | 2005-02-23 | 浙江大学 | Screw tooth form of double-screw air compressor |
Also Published As
Publication number | Publication date |
---|---|
CN1743677A (en) | 2006-03-08 |
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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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huanggong Machinery Group Assignor: Chen Guangliang Contract fulfillment period: 2008.12.8 to 2018.12.8 contract change Contract record no.: 2009330000659 Denomination of invention: Screw tooth form of large-flow and high-pressure double-screw rod pump with unequal teeth number Granted publication date: 20080109 License type: Exclusive license Record date: 2009.4.15 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.8 TO 2018.12.8; CHANGE OF CONTRACT Name of requester: HUANGGONG MACHINE GROUP CO.,LTD. Effective date: 20090415 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20091030 |