CN105386972B - Screw vacuum pump of motive seal structure - Google Patents
Screw vacuum pump of motive seal structure Download PDFInfo
- Publication number
- CN105386972B CN105386972B CN201510918080.3A CN201510918080A CN105386972B CN 105386972 B CN105386972 B CN 105386972B CN 201510918080 A CN201510918080 A CN 201510918080A CN 105386972 B CN105386972 B CN 105386972B
- Authority
- CN
- China
- Prior art keywords
- rotor
- cooling
- vacuum pump
- axle
- bearing bracket
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 92
- 238000001816 cooling Methods 0.000 claims abstract description 55
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/10—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
- F04C18/107—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member with helical teeth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510918080.3A CN105386972B (en) | 2015-12-09 | 2015-12-09 | Screw vacuum pump of motive seal structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510918080.3A CN105386972B (en) | 2015-12-09 | 2015-12-09 | Screw vacuum pump of motive seal structure |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105386972A CN105386972A (en) | 2016-03-09 |
CN105386972B true CN105386972B (en) | 2017-05-17 |
Family
ID=55419609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510918080.3A Active CN105386972B (en) | 2015-12-09 | 2015-12-09 | Screw vacuum pump of motive seal structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105386972B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566456B (en) * | 2019-09-12 | 2020-12-04 | 东莞市雅之雷德机电科技有限公司 | Oil-free screw fan |
CN112012931B (en) * | 2020-09-04 | 2022-05-24 | 浙江思科瑞真空技术有限公司 | Cooling method of pump rotor |
CN114936436B (en) * | 2022-06-07 | 2024-06-11 | 西南石油大学 | Method for establishing spiral seal abrasion model of roller bit under high-temperature and dynamic load working conditions |
CN117514796B (en) * | 2023-10-31 | 2024-05-17 | 南京真空泵厂有限公司 | Screw vacuum pump dynamic sealing system and sealing method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4086346A (en) * | 1974-04-06 | 1978-04-25 | Bayer Aktiengesellschaft | Preparation of melt-sprayed spherical phenacetin granules |
JPS62218682A (en) * | 1986-03-19 | 1987-09-26 | Hitachi Ltd | Screw vacuum pump |
CN2041736U (en) * | 1988-08-23 | 1989-07-26 | 胜利油田会战指挥部胜利采油指挥部 | Machinery seal screw arbor negative pressure compression engine |
JPH05149287A (en) * | 1991-11-26 | 1993-06-15 | Hitachi Ltd | Package type screw compressor |
CN205260306U (en) * | 2015-12-09 | 2016-05-25 | 合肥工业大学 | Screw vacuum pump with move seal structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1979618B1 (en) * | 2005-12-08 | 2016-04-27 | GHH-RAND Schraubenkompressoren GmbH | Multi-step helical screw compressor unit |
-
2015
- 2015-12-09 CN CN201510918080.3A patent/CN105386972B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4086346A (en) * | 1974-04-06 | 1978-04-25 | Bayer Aktiengesellschaft | Preparation of melt-sprayed spherical phenacetin granules |
JPS62218682A (en) * | 1986-03-19 | 1987-09-26 | Hitachi Ltd | Screw vacuum pump |
CN2041736U (en) * | 1988-08-23 | 1989-07-26 | 胜利油田会战指挥部胜利采油指挥部 | Machinery seal screw arbor negative pressure compression engine |
JPH05149287A (en) * | 1991-11-26 | 1993-06-15 | Hitachi Ltd | Package type screw compressor |
CN205260306U (en) * | 2015-12-09 | 2016-05-25 | 合肥工业大学 | Screw vacuum pump with move seal structure |
Also Published As
Publication number | Publication date |
---|---|
CN105386972A (en) | 2016-03-09 |
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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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 242000 No.301, Xunhua Road, Xuanzhou District, Xuancheng City, Anhui Province Patentee after: Hefei University of Technology Patentee after: Shandong Bozhong Vacuum Technology Co.,Ltd. Address before: 242000 No.301, Xunhua Road, Xuanzhou District, Xuancheng City, Anhui Province Patentee before: Hefei University of Technology Patentee before: SHANDONG BOZHONG VACUUM EQUIPMENT LTD. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230427 Address after: Xiaotao Industrial Park, Mashang Street, Zhangdian District, Zibo City, Shandong Province, 255090 Patentee after: Shandong Bozhong Vacuum Technology Co.,Ltd. Address before: 242000 No.301, Xunhua Road, Xuanzhou District, Xuancheng City, Anhui Province Patentee before: Hefei University of Technology Patentee before: Shandong Bozhong Vacuum Technology Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Xiaotao Industrial Park, Mashang Street, Zhangdian District, Zibo City, Shandong Province, 255090 Patentee after: Shandong Bozhong Vacuum Technology Co.,Ltd. Address before: Xiaotao Industrial Park, Mashang Street, Zhangdian District, Zibo City, Shandong Province, 255090 Patentee before: Shandong Bozhong Vacuum Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230525 Address after: No. 10, Business Room, No. G4, China Fortune Ceramic City, Beijing Road, Zibo Economic Development Zone, Shandong Province, 255000 Patentee after: Bozhong (Shandong) Industrial Equipment Co.,Ltd. Address before: Xiaotao Industrial Park, Mashang Street, Zhangdian District, Zibo City, Shandong Province, 255090 Patentee before: Shandong Bozhong Vacuum Technology Co.,Ltd. |