ATE278110T1 - Mehrwellenvakuumpumpe - Google Patents
MehrwellenvakuumpumpeInfo
- Publication number
- ATE278110T1 ATE278110T1 AT99101291T AT99101291T ATE278110T1 AT E278110 T1 ATE278110 T1 AT E278110T1 AT 99101291 T AT99101291 T AT 99101291T AT 99101291 T AT99101291 T AT 99101291T AT E278110 T1 ATE278110 T1 AT E278110T1
- Authority
- AT
- Austria
- Prior art keywords
- rotor
- rotors
- parts
- vacuum pump
- bell
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C27/009—Shaft sealings specially adapted for pumps
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19809957A DE19809957A1 (de) | 1998-03-07 | 1998-03-07 | Mehrwellenvakuumpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE278110T1 true ATE278110T1 (de) | 2004-10-15 |
Family
ID=7860157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT99101291T ATE278110T1 (de) | 1998-03-07 | 1999-01-25 | Mehrwellenvakuumpumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US6241490B1 (de) |
EP (1) | EP0942172B1 (de) |
JP (1) | JP4282809B2 (de) |
AT (1) | ATE278110T1 (de) |
DE (2) | DE19809957A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6729863B2 (en) * | 1999-03-22 | 2004-05-04 | Werner Rietschle Gmbh & Co. Kg | Rotary pump having high and low pressure ports in the housing cover |
US20050095160A1 (en) * | 2003-10-29 | 2005-05-05 | Heng-I Lin | Pump |
US20140161655A1 (en) * | 2011-07-08 | 2014-06-12 | Edward L. Simonds | Pump |
JP6418838B2 (ja) * | 2014-07-31 | 2018-11-07 | エドワーズ株式会社 | ドライポンプ及び排ガス処理方法 |
MX2019012043A (es) | 2017-04-07 | 2020-02-10 | Stackpole Int Engineered Products Ltd | Bomba de vacio epitrocoide. |
DE102018001519A1 (de) * | 2018-02-27 | 2019-08-29 | Ralf Steffens | Lagerung und Antrieb für einen R718-Verdichter |
WO2019210053A1 (en) | 2018-04-27 | 2019-10-31 | Carrier Corporation | Screw compressor with external motor rotor |
KR102453438B1 (ko) * | 2020-06-15 | 2022-10-12 | 주식회사 한중엔시에스 | 리저버 일체형 진공 펌프 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB809445A (en) * | 1954-02-27 | 1959-02-25 | Heraeus Gmbh W C | Improvements in or relating to rotary high vacuum pumps |
DE2359456A1 (de) * | 1973-11-29 | 1975-06-05 | Leybold Heraeus Gmbh & Co Kg | Turbomolekularvakuumpumpe mit gasgelagertem rotor |
GB2088957B (en) * | 1980-12-05 | 1984-12-12 | Boc Ltd | Rotary positive-displacement fluidmachines |
SE424760B (sv) * | 1980-12-12 | 1982-08-09 | Sullair Tech Ab | Forfarande vid en oljeinsprutad skruvkompressor for balansering av axialkrafter hos atminstone en av kompressorns rotorer, for tetning av spalterna mellan rotorhus och rotorernas axlar, samt for kylning och smorjning .. |
US4551073A (en) * | 1982-05-12 | 1985-11-05 | Walter Schwab | Pump for liquid and gaseous fluids, especially blood |
US4457680A (en) * | 1983-04-27 | 1984-07-03 | Paget Win W | Rotary compressor |
JPS62243982A (ja) * | 1986-04-14 | 1987-10-24 | Hitachi Ltd | 2段型真空ポンプ装置およびその運転方法 |
EP0408792B1 (de) * | 1989-07-20 | 1993-09-29 | Leybold Aktiengesellschaft | Gasreibungspumpe mit mindestens einer auslassseitigen Gewindestufe |
EP0472933B2 (de) * | 1990-08-01 | 2003-12-03 | Matsushita Electric Industrial Co., Ltd. | Drehanlage für flüssige Medien |
FR2668209B1 (fr) * | 1990-10-18 | 1994-11-18 | Hitachi Koki Kk | Pompe d'aspiration moleculaire. |
DE4238271A1 (de) * | 1992-11-13 | 1994-05-19 | Leybold Ag | Zweiwellenvakuumpumpe |
DE4244063A1 (de) * | 1992-12-24 | 1994-06-30 | Balzers Pfeiffer Gmbh | Wälzkolben-Vakuumpumpe |
US5346361A (en) * | 1993-04-15 | 1994-09-13 | Goulds Pumps, Incorporated | Air seal for pump with vertical shaft |
JPH0828471A (ja) * | 1994-07-11 | 1996-01-30 | Matsushita Electric Ind Co Ltd | 容積型ポンプ |
BE1010822A3 (nl) * | 1996-12-23 | 1999-02-02 | Atlas Copco Airpower Nv | Machine met gelagerde rotoren en vloeistofsmering van de lagers. |
-
1998
- 1998-03-07 DE DE19809957A patent/DE19809957A1/de not_active Withdrawn
-
1999
- 1999-01-25 EP EP99101291A patent/EP0942172B1/de not_active Expired - Lifetime
- 1999-01-25 DE DE59910616T patent/DE59910616D1/de not_active Expired - Lifetime
- 1999-01-25 AT AT99101291T patent/ATE278110T1/de not_active IP Right Cessation
- 1999-02-10 JP JP03269599A patent/JP4282809B2/ja not_active Expired - Fee Related
- 1999-03-03 US US09/262,141 patent/US6241490B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0942172B1 (de) | 2004-09-29 |
US6241490B1 (en) | 2001-06-05 |
DE59910616D1 (de) | 2004-11-04 |
EP0942172A1 (de) | 1999-09-15 |
DE19809957A1 (de) | 1999-09-09 |
JP4282809B2 (ja) | 2009-06-24 |
JPH11294358A (ja) | 1999-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee | ||
REN | Ceased due to non-payment of the annual fee |