CN100554696C - A kind of Roots blower - Google Patents
A kind of Roots blower Download PDFInfo
- Publication number
- CN100554696C CN100554696C CNB2007100239949A CN200710023994A CN100554696C CN 100554696 C CN100554696 C CN 100554696C CN B2007100239949 A CNB2007100239949 A CN B2007100239949A CN 200710023994 A CN200710023994 A CN 200710023994A CN 100554696 C CN100554696 C CN 100554696C
- Authority
- CN
- China
- Prior art keywords
- labyrinth
- tooth
- bush
- cover
- rotor
- 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
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100239949A CN100554696C (en) | 2007-07-03 | 2007-07-03 | A kind of Roots blower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2007100239949A CN100554696C (en) | 2007-07-03 | 2007-07-03 | A kind of Roots blower |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101092961A CN101092961A (en) | 2007-12-26 |
CN100554696C true CN100554696C (en) | 2009-10-28 |
Family
ID=38991358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100239949A Expired - Fee Related CN100554696C (en) | 2007-07-03 | 2007-07-03 | A kind of Roots blower |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100554696C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8479379B2 (en) * | 2008-11-03 | 2013-07-09 | Carefusion 202, Inc. | Roots-type blower rotor alignment apparatus |
CN102364117A (en) * | 2010-12-15 | 2012-02-29 | 南通大通宝富风机有限公司 | Combined shaft end seal |
CN102072155B (en) * | 2011-03-07 | 2012-09-12 | 南通天成机械有限公司 | Novel high-pressure roller Roots blower |
CN104131985A (en) * | 2014-07-13 | 2014-11-05 | 江苏泰隆减速机股份有限公司 | Fan device |
-
2007
- 2007-07-03 CN CNB2007100239949A patent/CN100554696C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101092961A (en) | 2007-12-26 |
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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 | ||
C35 | Partial or whole invalidation of patent or utility model | ||
IP01 | Partial invalidation of patent right |
Commission number: 4W101466 Conclusion of examination: The patent right is maintained on the basis of the technical scheme of claim 3 or 4 in claim 3, 4, 6, and claim 7. Decision date of declaring invalidation: 20120928 Decision number of declaring invalidation: 19343 Denomination of invention: Roots blower Granted publication date: 20091028 Patentee: Fans Manufacture Co., Ltd., Changzhou City |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20150703 |
|
EXPY | Termination of patent right or utility model |