CN1304757C - 一种短密封线齿形的螺杆 - Google Patents
一种短密封线齿形的螺杆 Download PDFInfo
- Publication number
- CN1304757C CN1304757C CNB2003101094012A CN200310109401A CN1304757C CN 1304757 C CN1304757 C CN 1304757C CN B2003101094012 A CNB2003101094012 A CN B2003101094012A CN 200310109401 A CN200310109401 A CN 200310109401A CN 1304757 C CN1304757 C CN 1304757C
- Authority
- CN
- China
- Prior art keywords
- screw
- circular arc
- line
- circle
- screw rod
- 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
Classifications
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/16—Rotary-piston machines or pumps 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
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101094012A CN1304757C (zh) | 2003-12-10 | 2003-12-10 | 一种短密封线齿形的螺杆 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101094012A CN1304757C (zh) | 2003-12-10 | 2003-12-10 | 一种短密封线齿形的螺杆 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1546864A CN1546864A (zh) | 2004-11-17 |
CN1304757C true CN1304757C (zh) | 2007-03-14 |
Family
ID=34335172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101094012A Expired - Fee Related CN1304757C (zh) | 2003-12-10 | 2003-12-10 | 一种短密封线齿形的螺杆 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1304757C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100400875C (zh) * | 2005-01-31 | 2008-07-09 | 浙江大学 | 一种大流量双螺杆泵的摆线螺杆齿形 |
CN100460681C (zh) * | 2005-01-31 | 2009-02-11 | 浙江大学 | 一种大流量双螺杆泵的渐开线螺杆齿形 |
CN104776027B (zh) * | 2013-04-26 | 2016-10-26 | 巫修海 | 严格密封型干式螺杆真空泵螺杆转子 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4695233A (en) * | 1986-07-10 | 1987-09-22 | Kabushiki Kaisha Kobe Seiko Sho | Screw rotor mechanism |
CN1172215A (zh) * | 1997-01-14 | 1998-02-04 | 中国船舶工业总公司第七研究院第七一一研究所 | 内压缩螺杆混输泵 |
CN1337528A (zh) * | 2001-09-12 | 2002-02-27 | 浙江大学 | 一种新型齿形的螺杆 |
CN1363771A (zh) * | 2002-02-08 | 2002-08-14 | 冯嫩妙 | 一种齿形螺杆 |
CN2556391Y (zh) * | 2002-05-14 | 2003-06-18 | 烟台冰轮股份有限公司 | 一种螺杆压缩机转子 |
-
2003
- 2003-12-10 CN CNB2003101094012A patent/CN1304757C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4695233A (en) * | 1986-07-10 | 1987-09-22 | Kabushiki Kaisha Kobe Seiko Sho | Screw rotor mechanism |
CN1172215A (zh) * | 1997-01-14 | 1998-02-04 | 中国船舶工业总公司第七研究院第七一一研究所 | 内压缩螺杆混输泵 |
CN1337528A (zh) * | 2001-09-12 | 2002-02-27 | 浙江大学 | 一种新型齿形的螺杆 |
CN1363771A (zh) * | 2002-02-08 | 2002-08-14 | 冯嫩妙 | 一种齿形螺杆 |
CN2556391Y (zh) * | 2002-05-14 | 2003-06-18 | 烟台冰轮股份有限公司 | 一种螺杆压缩机转子 |
Also Published As
Publication number | Publication date |
---|---|
CN1546864A (zh) | 2004-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105971877A (zh) | 一种锥形螺杆转子及其双螺杆真空泵 | |
CN1651766A (zh) | 一种大流量双螺杆泵的圆弧螺杆齿形 | |
CN1304757C (zh) | 一种短密封线齿形的螺杆 | |
CN100351523C (zh) | 一种螺杆压缩机转子齿型 | |
CN105952641A (zh) | 一种三段式螺杆转子及其双螺杆真空泵 | |
CN107023480A (zh) | 一种全光滑的双螺杆液体泵螺杆转子 | |
CN1648456A (zh) | 一种大流量双螺杆泵的渐开线螺杆齿形 | |
CN1246594C (zh) | 一种近似密封的双头螺杆 | |
CN100360808C (zh) | 一种不等齿数的大流量高压三螺杆泵的螺杆齿形 | |
CN2861556Y (zh) | 一种不等齿数不等半径的双螺杆泵的螺杆齿形 | |
CN102094813B (zh) | 具有非对称组合曲面齿形的齿轮泵 | |
CN1676936A (zh) | 一种螺杆泵转子新齿型 | |
CN108757438B (zh) | 一种小封闭容积的全光滑螺杆转子及其设计方法 | |
CN1743678A (zh) | 一种大流量高压双螺杆泵的螺杆齿形 | |
CN1648457A (zh) | 一种大流量双螺杆泵的摆线螺杆齿形 | |
CN1363771A (zh) | 一种齿形螺杆 | |
CN108757439B (zh) | 一种双螺杆液体泵的双头全光滑螺杆转子及其设计方法 | |
CN2538980Y (zh) | 一种齿形螺杆 | |
CN108443145B (zh) | 一种双头螺旋螺杆及采用该螺杆的双螺杆泵和干式真空螺杆泵 | |
CN1743677A (zh) | 一种不等齿数的大流量高压双螺杆泵的螺杆齿形 | |
CN101082339A (zh) | 一种螺杆式空压机的螺杆型线 | |
CN100406739C (zh) | 一种双螺杆空气压缩机的螺杆齿形 | |
CN1900525A (zh) | 一种双螺杆混输泵齿型 | |
CN112610474A (zh) | 一种双侧排气的锥形转子双螺杆泵 | |
CN1337528A (zh) | 一种新型齿形的螺杆 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Bangtai Machine Co., Ltd. Assignor: Zhejiang University Contract fulfillment period: 2008.9.8 to 2023.12.9 contract change Contract record no.: 2009330000225 Denomination of invention: Dentiform screw with short seal line Granted publication date: 20070314 License type: Exclusive license Record date: 2009.2.9 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.8 TO 2023.12.9; CHANGE OF CONTRACT Name of requester: ZHEJIANG BANGTAI MACHINE CO., LTD. Effective date: 20090209 |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |