CN104373347B - 螺杆真空泵的螺杆 - Google Patents
螺杆真空泵的螺杆 Download PDFInfo
- Publication number
- CN104373347B CN104373347B CN201410683478.9A CN201410683478A CN104373347B CN 104373347 B CN104373347 B CN 104373347B CN 201410683478 A CN201410683478 A CN 201410683478A CN 104373347 B CN104373347 B CN 104373347B
- Authority
- CN
- China
- Prior art keywords
- helicla flute
- turns
- vacuum pump
- screw
- exhaust portion
- 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
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
- 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
-
- 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
- F04C2240/00—Components
- F04C2240/20—Rotors
-
- 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
- F04C2250/00—Geometry
- F04C2250/20—Geometry of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410683478.9A CN104373347B (zh) | 2014-11-25 | 2014-11-25 | 螺杆真空泵的螺杆 |
CN201610122334.5A CN105673503B (zh) | 2014-11-25 | 2014-11-25 | 螺杆真空泵的螺杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410683478.9A CN104373347B (zh) | 2014-11-25 | 2014-11-25 | 螺杆真空泵的螺杆 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610122334.5A Division CN105673503B (zh) | 2014-11-25 | 2014-11-25 | 螺杆真空泵的螺杆 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104373347A CN104373347A (zh) | 2015-02-25 |
CN104373347B true CN104373347B (zh) | 2016-07-13 |
Family
ID=52552452
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410683478.9A Active CN104373347B (zh) | 2014-11-25 | 2014-11-25 | 螺杆真空泵的螺杆 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104373347B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108561310B (zh) * | 2018-04-27 | 2019-07-05 | 台州职业技术学院 | 一种螺杆真空泵的螺杆 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007263122A (ja) * | 1999-11-17 | 2007-10-11 | Nabtesco Corp | 真空排気装置 |
JP2007298043A (ja) * | 1999-11-17 | 2007-11-15 | Nabtesco Corp | 真空排気装置 |
CN202926637U (zh) * | 2012-10-09 | 2013-05-08 | 台州职业技术学院 | 一种干式螺杆真空泵转子型线 |
CN102937094B (zh) * | 2012-10-22 | 2016-05-04 | 台州职业技术学院 | 一种干式螺杆真空泵变螺距螺杆 |
CN204253367U (zh) * | 2014-11-25 | 2015-04-08 | 巫修海 | 螺杆真空泵的螺杆 |
-
2014
- 2014-11-25 CN CN201410683478.9A patent/CN104373347B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN104373347A (zh) | 2015-02-25 |
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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 | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Address after: 318000 School of mechanical and electrical engineering, Taizhou Vocational and Technical College, Xueyuan Road 788, Jiaojiang District, Zhejiang, Taizhou Applicant after: Wu Xiuhai Applicant after: Taizhou Vocational & Technical College Address before: 602, room 1, unit 10, Kangping Jiayuan, Jiaojiang District, Taizhou, Zhejiang, 318000 Applicant before: Wu Xiuhai Applicant before: Taizhou Vocational & Technical College |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180718 Address after: 317000 No. 70, Sha Lane Village, Yongquan Town, Linghai City, Taizhou, Zhejiang Patentee after: Taizhou Xingguang Vacuum Equipment Co., Ltd. Address before: 318000 Jiaojiang 788 Xueyuan Road District, Taizhou, Zhejiang, College of mechanical and electrical engineering, Taizhou Vocational and Technical College Co-patentee before: Taizhou Vocational & Technical College Patentee before: Wu Xiuhai |
|
TR01 | Transfer of patent right |