DE19882900T1 - Schraubenrotor-Nassvakuumpumpe - Google Patents
Schraubenrotor-NassvakuumpumpeInfo
- Publication number
- DE19882900T1 DE19882900T1 DE19882900T DE19882900T DE19882900T1 DE 19882900 T1 DE19882900 T1 DE 19882900T1 DE 19882900 T DE19882900 T DE 19882900T DE 19882900 T DE19882900 T DE 19882900T DE 19882900 T1 DE19882900 T1 DE 19882900T1
- Authority
- DE
- Germany
- Prior art keywords
- vacuum pump
- screw rotor
- wet vacuum
- rotor wet
- 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.)
- Granted
Links
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
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/75319 | 1998-03-24 | ||
JP10075319A JPH11270484A (ja) | 1998-03-24 | 1998-03-24 | スクリューロータ型ウエット真空ポンプ |
PCT/JP1998/001983 WO1999049219A1 (fr) | 1998-03-24 | 1998-04-30 | Pompe d'aspiration de liquides du type rotor a vis |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19882900T1 true DE19882900T1 (de) | 2001-04-26 |
DE19882900B4 DE19882900B4 (de) | 2004-04-15 |
Family
ID=13572833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19882900T Expired - Fee Related DE19882900B4 (de) | 1998-03-24 | 1998-04-30 | Schraubenrotor-Nassvakuumpumpe |
Country Status (6)
Country | Link |
---|---|
US (1) | US6375443B1 (de) |
JP (1) | JPH11270484A (de) |
KR (1) | KR100382825B1 (de) |
DE (1) | DE19882900B4 (de) |
TW (1) | TW413715B (de) |
WO (1) | WO1999049219A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4643049B2 (ja) * | 2001-03-29 | 2011-03-02 | 兼松エンジニアリング株式会社 | 真空ポンプにおける冷却水戻し装置及びこの装置を備えた真空ポンプ並びにこのポンプを備えた吸引処理装置及び吸引作業車 |
JP3673743B2 (ja) * | 2001-09-27 | 2005-07-20 | 大晃機械工業株式会社 | スクリュー式真空ポンプ |
GB2498816A (en) | 2012-01-27 | 2013-07-31 | Edwards Ltd | Vacuum pump |
GB2533621B (en) * | 2014-12-23 | 2019-04-17 | Edwards Ltd | Rotary screw vacuum pumps |
SE541665C2 (en) * | 2015-04-13 | 2019-11-19 | Disab Tella Ab | Vacuum cleaning system for hot dust and particles |
CN106989874B (zh) * | 2017-05-31 | 2020-02-07 | 西南石油大学 | 一种水平式高速牙轮钻头轴承螺旋密封试验装置 |
CN114263608B (zh) * | 2021-12-30 | 2024-01-26 | 山东凯恩真空技术有限公司 | 一种防腐螺杆真空泵 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2705922A (en) | 1953-04-06 | 1955-04-12 | Dresser Ind | Fluid pump or motor of the rotary screw type |
GB1484994A (en) * | 1973-09-03 | 1977-09-08 | Svenska Rotor Maskiner Ab | Shaft seal system for screw compressors |
JPS61171891A (ja) | 1985-01-25 | 1986-08-02 | Nec Corp | 圧電型ポンプ |
JPS61171891U (de) * | 1985-04-15 | 1986-10-25 | ||
SE452790B (sv) * | 1985-06-07 | 1987-12-14 | Svenska Rotor Maskiner Ab | Oljefri gaskompressor |
JPH0654067B2 (ja) | 1987-09-24 | 1994-07-20 | 株式会社新栄 | 金銭盗難防止用金銭受け棚付き金庫 |
JPH0716064Y2 (ja) * | 1987-11-19 | 1995-04-12 | 株式会社神戸製鋼所 | 油入りスクリュ真空ポンプ |
JP2893689B2 (ja) | 1988-11-16 | 1999-05-24 | 松下電器産業株式会社 | 電磁調理器用セラミックス製加熱容器及びその製造方法 |
NL8900694A (nl) * | 1989-03-21 | 1990-10-16 | Grass Air Holding Bv | Schroefcompressor en werkwijze voor het bedrijven daarvan. |
JPH02135689U (de) * | 1989-04-13 | 1990-11-13 | ||
JPH02275089A (ja) | 1989-04-13 | 1990-11-09 | Kobe Steel Ltd | スクリュ式真空ポンプ |
JPH02283890A (ja) | 1989-04-25 | 1990-11-21 | Taiko Kikai Kogyo Kk | スクリューロータ式真空ポンプの運転方法 |
JP2846065B2 (ja) | 1990-06-11 | 1999-01-13 | 株式会社日立製作所 | 液注入式スクリュ流体機械 |
JP2595377B2 (ja) | 1990-11-19 | 1997-04-02 | 株式会社日立製作所 | スクリュー真空ポンプ |
DE4042177C2 (de) * | 1990-12-29 | 1996-11-14 | Gmv Ges Fuer Schraubenverdicht | Schraubenverdichter |
SE9301662L (sv) * | 1993-05-14 | 1994-07-04 | Svenska Rotor Maskiner Ab | Skruvkompressor med tätningsorgan |
KR0133154B1 (ko) | 1994-08-22 | 1998-04-20 | 이종대 | 무단 압축형 스크류식 진공펌프 |
JP2904719B2 (ja) | 1995-04-05 | 1999-06-14 | 株式会社荏原製作所 | スクリューロータ及びその歯形の軸直角断面形状を決定する方法並びにスクリュー機械 |
DE19543879C2 (de) * | 1995-11-24 | 2002-02-28 | Guenter Kirsten | Schraubenverdichter mit Flüssigkeitseinspritzung |
JP3701378B2 (ja) | 1996-03-27 | 2005-09-28 | 北越工業株式会社 | スクリュロータ |
JP3831110B2 (ja) * | 1998-03-25 | 2006-10-11 | 大晃機械工業株式会社 | 真空ポンプのスクリューロータ |
-
1998
- 1998-03-24 JP JP10075319A patent/JPH11270484A/ja active Pending
- 1998-04-30 WO PCT/JP1998/001983 patent/WO1999049219A1/ja active IP Right Grant
- 1998-04-30 KR KR10-2000-7010548A patent/KR100382825B1/ko not_active IP Right Cessation
- 1998-04-30 DE DE19882900T patent/DE19882900B4/de not_active Expired - Fee Related
- 1998-04-30 US US09/647,254 patent/US6375443B1/en not_active Expired - Fee Related
- 1998-06-08 TW TW087109062A patent/TW413715B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW413715B (en) | 2000-12-01 |
JPH11270484A (ja) | 1999-10-05 |
US6375443B1 (en) | 2002-04-23 |
KR100382825B1 (ko) | 2003-05-09 |
KR20010042143A (ko) | 2001-05-25 |
WO1999049219A1 (fr) | 1999-09-30 |
DE19882900B4 (de) | 2004-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8125 | Change of the main classification |
Ipc: F04C 18/16 |
|
8607 | Notification of search results after publication | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |