ATE247780T1 - Schraubenspindelvakuumpumpe und verfahren zum betrieb derselben - Google Patents
Schraubenspindelvakuumpumpe und verfahren zum betrieb derselbenInfo
- Publication number
- ATE247780T1 ATE247780T1 AT98934953T AT98934953T ATE247780T1 AT E247780 T1 ATE247780 T1 AT E247780T1 AT 98934953 T AT98934953 T AT 98934953T AT 98934953 T AT98934953 T AT 98934953T AT E247780 T1 ATE247780 T1 AT E247780T1
- Authority
- AT
- Austria
- Prior art keywords
- vacuum pump
- screw spindle
- operating same
- spindle vacuum
- compression
- Prior art date
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
- 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
-
- 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
- F04C2240/40—Electric motor
- F04C2240/402—Plurality of electronically synchronised motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Coating With Molten Metal (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Glass Compositions (AREA)
- Press Drives And Press Lines (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19724643A DE19724643A1 (de) | 1997-06-11 | 1997-06-11 | Schraubenverdichter und Verfahren zum Betrieb desselben |
| PCT/EP1998/003544 WO1998057067A1 (de) | 1997-06-11 | 1998-06-09 | Schraubenspindelvakuumpumpe und verfahren zum betrieb derselben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE247780T1 true ATE247780T1 (de) | 2003-09-15 |
Family
ID=7832160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98934953T ATE247780T1 (de) | 1997-06-11 | 1998-06-09 | Schraubenspindelvakuumpumpe und verfahren zum betrieb derselben |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6273696B1 (de) |
| EP (1) | EP0988453B1 (de) |
| JP (1) | JP4002304B2 (de) |
| KR (2) | KR100340166B1 (de) |
| AT (1) | ATE247780T1 (de) |
| CA (1) | CA2293618C (de) |
| DE (2) | DE19724643A1 (de) |
| DK (1) | DK0988453T3 (de) |
| ES (1) | ES2206958T3 (de) |
| NO (1) | NO327604B1 (de) |
| PT (1) | PT988453E (de) |
| WO (1) | WO1998057067A1 (de) |
| ZA (1) | ZA984959B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100253005A1 (en) * | 2009-04-03 | 2010-10-07 | Liarakos Nicholas P | Seal for oil-free rotary displacement compressor |
| JP5478362B2 (ja) * | 2010-05-25 | 2014-04-23 | 株式会社日立製作所 | スクリュー圧縮機 |
| DE102011050018A1 (de) * | 2011-04-29 | 2012-10-31 | Allweiler Gmbh | Pumpen-System |
| GB2498816A (en) | 2012-01-27 | 2013-07-31 | Edwards Ltd | Vacuum pump |
| DE102015208784B3 (de) * | 2015-05-12 | 2016-09-15 | MTU Aero Engines AG | Herstellen von Schaufelkanälen von Turbomaschinenrotoren |
| CN115492764A (zh) * | 2022-10-10 | 2022-12-20 | 山东凯恩真空技术有限公司 | 一种高效降噪螺杆真空泵 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3129877A (en) * | 1956-05-17 | 1964-04-21 | Svenska Rotor Maskiner Ab | Rotary piston, positive displacement compressor |
| US3138320A (en) * | 1959-01-15 | 1964-06-23 | Svenska Roytor Maskiner Aktieb | Fluid seal for compressor |
| DE2544082A1 (de) * | 1975-10-02 | 1977-04-14 | Comprotek Sa | Drehkolbenmaschine |
| GB1570512A (en) * | 1976-09-04 | 1980-07-02 | Howden Compressors Ltd | Meshing-screw gas-compressing apparatus |
| JPS5468510A (en) * | 1977-11-11 | 1979-06-01 | Kobe Steel Ltd | Gas leak preventive method for self-lubricating screw compressor |
| JPS5951190A (ja) * | 1982-09-17 | 1984-03-24 | Hitachi Ltd | オイルフリ−スクリユ−圧縮機の油切り装置 |
| JPS61265381A (ja) * | 1985-05-20 | 1986-11-25 | Hitachi Ltd | スクリユ−圧縮機のガス噴射装置 |
| US4768934A (en) * | 1985-11-18 | 1988-09-06 | Eaton Corporation | Port arrangement for rotary positive displacement blower |
| JPS6336085A (ja) * | 1986-07-30 | 1988-02-16 | Taiko Kikai Kogyo Kk | スクリユウ型真空ポンプ |
| US4812110A (en) * | 1986-08-11 | 1989-03-14 | Kabushiki Kaisha Kobe Seiko Sho | Oil-free screw compressor with bypass of cooled discharged gas |
| JPS63106389A (ja) * | 1986-10-24 | 1988-05-11 | Hitachi Ltd | スクリユ−形真空ポンプの注入装置 |
| DE3775553D1 (de) * | 1987-05-15 | 1992-02-06 | Leybold Ag | Zweiwellenpumpe. |
| JPS6412092A (en) * | 1987-07-01 | 1989-01-17 | Kobe Steel Ltd | Vacuum pump of screw type |
| US4781553A (en) * | 1987-07-24 | 1988-11-01 | Kabushiki Kaisha Kobe Seiko Sho | Screw vacuum pump with lubricated bearings and a plurality of shaft sealing means |
| JP2515831B2 (ja) * | 1987-12-18 | 1996-07-10 | 株式会社日立製作所 | スクリユ―真空ポンプ |
| KR940000217B1 (ko) * | 1989-06-05 | 1994-01-12 | 가부시기가이샤 히다찌 세이사꾸쇼 | 스크류 압축장치 및 그 제어장치 |
| JPH0518381A (ja) * | 1991-07-10 | 1993-01-26 | Ebara Corp | スクリユー形真空ポンプ |
| US5269667A (en) * | 1993-02-24 | 1993-12-14 | Ingersoll-Rand Company | Removabe discharge port plate for a compressor |
| WO1997001038A1 (de) * | 1995-06-21 | 1997-01-09 | Sihi Industry Consult Gmbh | Mehrstufiger schraubenspindelverdichter |
-
1997
- 1997-06-11 DE DE19724643A patent/DE19724643A1/de not_active Withdrawn
-
1998
- 1998-06-09 DK DK98934953T patent/DK0988453T3/da active
- 1998-06-09 PT PT98934953T patent/PT988453E/pt unknown
- 1998-06-09 ES ES98934953T patent/ES2206958T3/es not_active Expired - Lifetime
- 1998-06-09 DE DE59809350T patent/DE59809350D1/de not_active Expired - Lifetime
- 1998-06-09 US US09/445,705 patent/US6273696B1/en not_active Expired - Fee Related
- 1998-06-09 KR KR1019997011639A patent/KR100340166B1/ko not_active Expired - Fee Related
- 1998-06-09 CA CA002293618A patent/CA2293618C/en not_active Expired - Fee Related
- 1998-06-09 KR KR1019997011707A patent/KR20010013692A/ko not_active Ceased
- 1998-06-09 EP EP98934953A patent/EP0988453B1/de not_active Expired - Lifetime
- 1998-06-09 AT AT98934953T patent/ATE247780T1/de not_active IP Right Cessation
- 1998-06-09 WO PCT/EP1998/003544 patent/WO1998057067A1/de not_active Ceased
- 1998-06-09 JP JP50163099A patent/JP4002304B2/ja not_active Expired - Fee Related
- 1998-06-09 ZA ZA984959A patent/ZA984959B/xx unknown
-
1999
- 1999-12-10 NO NO19996129A patent/NO327604B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2293618C (en) | 2007-09-18 |
| JP2002504205A (ja) | 2002-02-05 |
| DK0988453T3 (da) | 2003-12-15 |
| ZA984959B (en) | 1999-04-12 |
| JP4002304B2 (ja) | 2007-10-31 |
| ES2206958T3 (es) | 2004-05-16 |
| KR20010013629A (ko) | 2001-02-26 |
| NO996129D0 (no) | 1999-12-10 |
| NO327604B1 (no) | 2009-08-31 |
| KR100340166B1 (ko) | 2002-06-10 |
| US6273696B1 (en) | 2001-08-14 |
| EP0988453B1 (de) | 2003-08-20 |
| EP0988453A1 (de) | 2000-03-29 |
| NO996129L (no) | 1999-12-10 |
| DE19724643A1 (de) | 1998-12-17 |
| WO1998057067A1 (de) | 1998-12-17 |
| DE59809350D1 (de) | 2003-09-25 |
| KR20010013692A (ko) | 2001-02-26 |
| PT988453E (pt) | 2004-01-30 |
| CA2293618A1 (en) | 1998-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |