CN107044420B - 一种驱动一体式螺杆真空泵 - Google Patents
一种驱动一体式螺杆真空泵 Download PDFInfo
- Publication number
- CN107044420B CN107044420B CN201710378723.9A CN201710378723A CN107044420B CN 107044420 B CN107044420 B CN 107044420B CN 201710378723 A CN201710378723 A CN 201710378723A CN 107044420 B CN107044420 B CN 107044420B
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- CN
- China
- Prior art keywords
- rotor
- vacuum pump
- dead axle
- integral type
- type screw
- 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.)
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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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
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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
- F04C18/12—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 other than internal-axis type
- F04C18/14—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 other than internal-axis type with toothed rotary pistons
- F04C18/16—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 other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710378723.9A CN107044420B (zh) | 2017-05-25 | 2017-05-25 | 一种驱动一体式螺杆真空泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710378723.9A CN107044420B (zh) | 2017-05-25 | 2017-05-25 | 一种驱动一体式螺杆真空泵 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107044420A CN107044420A (zh) | 2017-08-15 |
CN107044420B true CN107044420B (zh) | 2019-11-26 |
Family
ID=59547048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710378723.9A Active CN107044420B (zh) | 2017-05-25 | 2017-05-25 | 一种驱动一体式螺杆真空泵 |
Country Status (1)
Country | Link |
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CN (1) | CN107044420B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108757450B (zh) * | 2018-05-14 | 2020-04-28 | 西安交通大学 | 一种采用滑动轴承的螺杆压缩机 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD216070A1 (de) * | 1983-06-16 | 1984-11-28 | Halle Maschf Veb | Einrichtung zur anfahrentlastung von schraubenverdichtern |
JPH07293454A (ja) * | 1994-04-27 | 1995-11-07 | Ebara Corp | 2軸容積式ポンプ |
CN1948758A (zh) * | 2006-11-03 | 2007-04-18 | 江苏大学 | 电动机螺杆泵 |
CN106050664A (zh) * | 2016-08-05 | 2016-10-26 | 北京朗禾科技有限公司 | 一种复合转子真空泵 |
CN206874485U (zh) * | 2017-05-25 | 2018-01-12 | 杭州久益机械股份有限公司 | 驱动一体式螺杆真空泵 |
-
2017
- 2017-05-25 CN CN201710378723.9A patent/CN107044420B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD216070A1 (de) * | 1983-06-16 | 1984-11-28 | Halle Maschf Veb | Einrichtung zur anfahrentlastung von schraubenverdichtern |
JPH07293454A (ja) * | 1994-04-27 | 1995-11-07 | Ebara Corp | 2軸容積式ポンプ |
CN1948758A (zh) * | 2006-11-03 | 2007-04-18 | 江苏大学 | 电动机螺杆泵 |
CN106050664A (zh) * | 2016-08-05 | 2016-10-26 | 北京朗禾科技有限公司 | 一种复合转子真空泵 |
CN206874485U (zh) * | 2017-05-25 | 2018-01-12 | 杭州久益机械股份有限公司 | 驱动一体式螺杆真空泵 |
Also Published As
Publication number | Publication date |
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CN107044420A (zh) | 2017-08-15 |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191213 Address after: No. 22, Yongtai Road, Longyou Economic Development Zone, Longyou County, Quzhou City, Zhejiang Province Patentee after: Longyou Hengyi Machinery Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311122 Yuhang District Xianlin Street Jia Road No. 39 enterprises Patentee before: HANGZHOU JIUYI MACHINERY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 324022 Building 2, No. 2, Luchuan North Road, Qujiang District, Quzhou City, Zhejiang Province Patentee after: Zhejiang Zhuocheng Precision Machinery Co.,Ltd. Address before: 324404 No. 22, Yongtai Road, Longyou Economic Development Zone, Longyou County, Quzhou City, Zhejiang Province Patentee before: Longyou Hengyi Machinery Co.,Ltd. |
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TR01 | Transfer of patent right |