CN102022334B - Rotor molded line of screw vacuum pump - Google Patents
Rotor molded line of screw vacuum pump Download PDFInfo
- Publication number
- CN102022334B CN102022334B CN 201010606422 CN201010606422A CN102022334B CN 102022334 B CN102022334 B CN 102022334B CN 201010606422 CN201010606422 CN 201010606422 CN 201010606422 A CN201010606422 A CN 201010606422A CN 102022334 B CN102022334 B CN 102022334B
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- Prior art keywords
- rotor
- section
- arc
- point
- vacuum pump
- 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
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 5
- 230000021615 conjugation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Non-Positive Displacement Air Blowers (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010606422 CN102022334B (en) | 2010-12-24 | 2010-12-24 | Rotor molded line of screw vacuum pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010606422 CN102022334B (en) | 2010-12-24 | 2010-12-24 | Rotor molded line of screw vacuum pump |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102022334A CN102022334A (en) | 2011-04-20 |
CN102022334B true CN102022334B (en) | 2013-08-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010606422 Expired - Fee Related CN102022334B (en) | 2010-12-24 | 2010-12-24 | Rotor molded line of screw vacuum pump |
Country Status (1)
Country | Link |
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CN (1) | CN102022334B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828954B (en) * | 2012-09-14 | 2015-06-17 | 上海齐耀螺杆机械有限公司 | Novel rotor profile of twin-screw compressor |
CN103032333B (en) * | 2013-01-11 | 2015-04-29 | 西安交通大学 | Double-screw vacuum pump rotor molded line |
CN105484999B (en) * | 2015-12-29 | 2018-02-16 | 天津华科螺杆泵技术有限公司 | The single thread screw rod and its twin-screw of a kind of sealing |
CN108050069B (en) * | 2018-01-22 | 2023-07-25 | 中国石油大学(华东) | Low-leakage full-smooth screw rotor |
CN109555687B (en) * | 2019-01-07 | 2024-03-19 | 鑫磊压缩机股份有限公司 | Single screw meshing mechanism and forming method of single screw cylindrical surface enveloping molded line |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5667370A (en) * | 1994-08-22 | 1997-09-16 | Kowel Precision Co., Ltd. | Screw vacuum pump having a decreasing pitch for the screw members |
US5697772A (en) * | 1995-04-05 | 1997-12-16 | Ebara Corporation | Screw rotor and method of generating tooth profile therefor |
CN1676935A (en) * | 2004-03-30 | 2005-10-05 | 李汗强 | Rotor tooth profile for helical-lobe compressor |
CN1676936A (en) * | 2004-03-30 | 2005-10-05 | 肖文伟 | Rotor tooth-profile for screw pump |
JP2005351238A (en) * | 2004-06-14 | 2005-12-22 | Shinko Seiki Co Ltd | Screw rotor |
-
2010
- 2010-12-24 CN CN 201010606422 patent/CN102022334B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5667370A (en) * | 1994-08-22 | 1997-09-16 | Kowel Precision Co., Ltd. | Screw vacuum pump having a decreasing pitch for the screw members |
US5800151A (en) * | 1995-04-04 | 1998-09-01 | Ebara Corporation | Screw rotor and method of generating tooth profile therefor |
US5697772A (en) * | 1995-04-05 | 1997-12-16 | Ebara Corporation | Screw rotor and method of generating tooth profile therefor |
CN1676935A (en) * | 2004-03-30 | 2005-10-05 | 李汗强 | Rotor tooth profile for helical-lobe compressor |
CN1676936A (en) * | 2004-03-30 | 2005-10-05 | 肖文伟 | Rotor tooth-profile for screw pump |
JP2005351238A (en) * | 2004-06-14 | 2005-12-22 | Shinko Seiki Co Ltd | Screw rotor |
Non-Patent Citations (2)
Title |
---|
郭蓓等.干式螺杆真空泵研究现状与展望.《真空》.2009,第46卷(第5期), * |
陈金海等.双螺杆泵型面加工、刀具设计及计算方法.《流体机械》.2002,第30卷(第6期), * |
Also Published As
Publication number | Publication date |
---|---|
CN102022334A (en) | 2011-04-20 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI GELI LIQUID MACHINERY CO., LTD. Free format text: FORMER OWNER: SHANGHAI NAIPU LIQUID MACHINERY TECHNOLOGY CO., LTD. Effective date: 20120316 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20120316 Address after: 200333, room 889, 719 Zhongjiang Road, Shanghai, Putuo District Applicant after: SHANGHAI GELI FLUID MACHINERY Co.,Ltd. Address before: 200333, room 889, 701 Zhongjiang Road, Shanghai, Putuo District Applicant before: SHANGHAI NAIPU FLUID MACHINERY TECHNOLOGY Co.,Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI RICHEN ENVIRONMENTAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI GELI LIQUID MACHINERY CO., LTD. Effective date: 20140120 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200333 PUTUO, SHANGHAI TO: 200433 YANGPU, SHANGHAI |
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TR01 | Transfer of patent right |
Effective date of registration: 20140120 Address after: 200433, room 201-10, building A, building 128, No. 11 Xiang Yin Road, Shanghai, Yangpu District Patentee after: SHANGHAI RICHEN CO.,LTD. Address before: 200333, room 889, 719 Zhongjiang Road, Shanghai, Putuo District Patentee before: SHANGHAI GELI FLUID MACHINERY Co.,Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: SHANGHAI GELI LIQUID MACHINERY CO., LTD. Free format text: FORMER OWNER: SHANGHAI RICHEN ENVIRONMENTAL TECHNOLOGY CO., LTD. Effective date: 20140923 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 200433 YANGPU, SHANGHAI TO: 200333 PUTUO, SHANGHAI |
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TR01 | Transfer of patent right |
Effective date of registration: 20140923 Address after: 200333, room 889, 719 Zhongjiang Road, Shanghai, Putuo District Patentee after: SHANGHAI GELI FLUID MACHINERY Co.,Ltd. Address before: 200433, room 201-10, building A, building 128, No. 11 Xiang Yin Road, Shanghai, Yangpu District Patentee before: SHANGHAI RICHEN CO.,LTD. |
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ASS | Succession or assignment of patent right |
Owner name: RUGAO PACKAGING + FOODSTUFF MACHINERY CO., LTD. Free format text: FORMER OWNER: SHANGHAI GELI LIQUID MACHINERY CO., LTD. Effective date: 20141121 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 200333 PUTUO, SHANGHAI TO: 226500 NANTONG, JIANGSU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20141121 Address after: 226500, Jiangsu City, Rugao Province, such as town Qing Yu Road, No. 201 Patentee after: RUGAO PACKING FOOD MACHINERY Co.,Ltd. Address before: 200333, room 889, 719 Zhongjiang Road, Shanghai, Putuo District Patentee before: SHANGHAI GELI FLUID MACHINERY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 |
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CF01 | Termination of patent right due to non-payment of annual fee |