BRPI0816844A2 - Bomba de vácuo de múltiplos estágios de carcaça em duas partes - Google Patents
Bomba de vácuo de múltiplos estágios de carcaça em duas partesInfo
- Publication number
- BRPI0816844A2 BRPI0816844A2 BRPI0816844A BRPI0816844A2 BR PI0816844 A2 BRPI0816844 A2 BR PI0816844A2 BR PI0816844 A BRPI0816844 A BR PI0816844A BR PI0816844 A2 BRPI0816844 A2 BR PI0816844A2
- Authority
- BR
- Brazil
- Prior art keywords
- vacuum pump
- stage casing
- multistage vacuum
- casing multistage
- stage
- 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
- 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
- F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- 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
- F04C27/02—Liquid sealing for high-vacuum pumps or for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
-
- 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
- F04C2240/30—Casings or housings
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0719394.9A GB0719394D0 (en) | 2007-10-04 | 2007-10-04 | A multi stage clam shell vacuum pump |
PCT/GB2008/050886 WO2009044197A2 (en) | 2007-10-04 | 2008-10-01 | A multi stage, clam shell vacuum pump |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0816844A2 true BRPI0816844A2 (pt) | 2015-03-17 |
Family
ID=38739125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0816844 BRPI0816844A2 (pt) | 2007-10-04 | 2008-10-01 | Bomba de vácuo de múltiplos estágios de carcaça em duas partes |
Country Status (10)
Country | Link |
---|---|
US (1) | US9279426B2 (pt) |
EP (1) | EP2193276B1 (pt) |
JP (1) | JP5496895B2 (pt) |
KR (1) | KR101458935B1 (pt) |
CN (1) | CN101815873B (pt) |
BR (1) | BRPI0816844A2 (pt) |
CA (1) | CA2698452A1 (pt) |
GB (1) | GB0719394D0 (pt) |
RU (1) | RU2470186C2 (pt) |
WO (1) | WO2009044197A2 (pt) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100883783B1 (ko) * | 2007-09-06 | 2009-02-18 | 김영애 | 음식물쓰레기 파쇄 선별기 |
DE202010015439U1 (de) * | 2010-11-16 | 2012-02-17 | Hugo Vogelsang Maschinenbau Gmbh | Drehkolbenpumpe und Gehäuse-Halbschale für selbige |
GB2489248A (en) * | 2011-03-22 | 2012-09-26 | Edwards Ltd | Vacuum pump with stator joint seals |
US9470228B2 (en) * | 2012-07-03 | 2016-10-18 | Brian J. O'Connor | Multiple segment lobe pump |
GB2508405B (en) | 2012-11-30 | 2015-09-02 | Edwards Ltd | Vacuum pump |
DE102012222753B4 (de) | 2012-12-11 | 2016-08-04 | Schwäbische Hüttenwerke Automotive GmbH | Gaspumpe mit abdichtender Ölnut |
GB2528450A (en) * | 2014-07-21 | 2016-01-27 | Edwards Ltd | Vacuum pump |
GB2528451A (en) * | 2014-07-21 | 2016-01-27 | Edwards Ltd | Vacuum pump |
GB2540999A (en) * | 2015-08-04 | 2017-02-08 | Edwards Ltd | Vacuum Pump |
DE202015006922U1 (de) * | 2015-10-02 | 2017-01-03 | Leybold Gmbh | Mehrstufige Drehschieberpumpe |
ES2899908T3 (es) | 2015-10-02 | 2022-03-15 | Leybold Gmbh | Bomba rotativa de paletas multietapa |
GB2558954B (en) * | 2017-01-24 | 2019-10-30 | Edwards Ltd | Pump sealing |
GB2559136B (en) * | 2017-01-25 | 2020-04-15 | Edwards Ltd | Vacuum pump with biased stator seals and method of manufacture thereof |
GB2559134B (en) * | 2017-01-25 | 2020-07-29 | Edwards Ltd | Pump assemblies with stator joint seals |
GB2561899B (en) * | 2017-04-28 | 2020-11-04 | Edwards Ltd | Vacuum pumping system |
GB2575987A (en) * | 2018-07-30 | 2020-02-05 | Edwards Ltd | Seal assembly |
GB2588424B (en) * | 2019-10-23 | 2022-01-26 | Edwards Ltd | Pump apparatus |
FR3106630B1 (fr) * | 2020-01-24 | 2022-01-28 | Pfeiffer Vacuum Tech Ag | Pompe à vide sèche |
GB2592030B (en) * | 2020-02-12 | 2022-03-09 | Edwards Ltd | Multiple stage vacuum pump |
FR3107575B1 (fr) * | 2020-02-20 | 2022-03-25 | Pfeiffer Vacuum Tech Ag | Pompe à vide sèche |
CN114593059A (zh) * | 2020-12-07 | 2022-06-07 | 中国科学院沈阳科学仪器股份有限公司 | 一种干式真空泵的定子部件 |
GB2614285B (en) * | 2021-12-23 | 2024-03-06 | Edwards Ltd | Vacuum pump with reduced seal requirements |
GB2623108A (en) * | 2022-10-06 | 2024-04-10 | Edwards Ltd | Multistage vacuum pump and a stator for a multistage pump |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5246295A (en) * | 1991-10-30 | 1993-09-21 | Ide Russell D | Non-contacting mechanical face seal of the gap-type |
FR2638788B1 (fr) * | 1988-11-07 | 1994-01-28 | Alcatel Cit | Pompe a vide du type roots multietage |
FR2653831A1 (fr) * | 1989-11-02 | 1991-05-03 | Cit Alcatel | Pompe volumetrique. |
US5769604A (en) * | 1995-05-04 | 1998-06-23 | Eg&G Sealol, Inc. | Face seal device having high angular compliance |
GB2306672B (en) * | 1995-11-01 | 2000-03-22 | Framo Eng As | Monitoring system for high pressure fluid flow connector |
JP2000205148A (ja) * | 1999-01-11 | 2000-07-25 | Toyota Autom Loom Works Ltd | 多段ル―ツポンプ及び多段ル―ツポンプのロ―タハウジング製作方法 |
EP1050699B1 (de) * | 1999-05-06 | 2005-05-25 | Borsig GmbH | Gegen Leckage sichernde Flanschverbindung für einen mindestens zweiteiligen Behälter |
JP2001304115A (ja) * | 2000-04-26 | 2001-10-31 | Toyota Industries Corp | 真空ポンプにおけるガス供給装置 |
FR2813104B1 (fr) * | 2000-08-21 | 2002-11-29 | Cit Alcatel | Joint etancheite pour pompe a vide |
JP3758550B2 (ja) * | 2001-10-24 | 2006-03-22 | アイシン精機株式会社 | 多段真空ポンプ |
GB0310615D0 (en) * | 2003-05-08 | 2003-06-11 | Boc Group Plc | Improvements in seal assemblies |
JP3991918B2 (ja) * | 2003-05-19 | 2007-10-17 | 株式会社豊田自動織機 | ルーツポンプ |
GB0515905D0 (en) * | 2005-08-02 | 2005-09-07 | Boc Group Plc | Vacuum pump |
GB0519742D0 (en) * | 2005-09-28 | 2005-11-09 | Boc Group Plc | Method of pumping gas |
GB0620144D0 (en) * | 2006-10-11 | 2006-11-22 | Boc Group Plc | Vacuum pump |
-
2007
- 2007-10-04 GB GBGB0719394.9A patent/GB0719394D0/en not_active Ceased
-
2008
- 2008-10-01 US US12/678,261 patent/US9279426B2/en active Active
- 2008-10-01 JP JP2010527545A patent/JP5496895B2/ja active Active
- 2008-10-01 BR BRPI0816844 patent/BRPI0816844A2/pt active Search and Examination
- 2008-10-01 RU RU2010117367/06A patent/RU2470186C2/ru not_active IP Right Cessation
- 2008-10-01 KR KR1020107009828A patent/KR101458935B1/ko active IP Right Grant
- 2008-10-01 WO PCT/GB2008/050886 patent/WO2009044197A2/en active Application Filing
- 2008-10-01 EP EP08806702.0A patent/EP2193276B1/en active Active
- 2008-10-01 CN CN2008801099252A patent/CN101815873B/zh active Active
- 2008-10-01 CA CA2698452A patent/CA2698452A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2698452A1 (en) | 2009-04-09 |
KR101458935B1 (ko) | 2014-11-07 |
US20100226808A1 (en) | 2010-09-09 |
GB0719394D0 (en) | 2007-11-14 |
CN101815873A (zh) | 2010-08-25 |
KR20100093036A (ko) | 2010-08-24 |
RU2470186C2 (ru) | 2012-12-20 |
RU2010117367A (ru) | 2011-11-10 |
WO2009044197A2 (en) | 2009-04-09 |
EP2193276B1 (en) | 2016-03-16 |
JP2010540832A (ja) | 2010-12-24 |
US9279426B2 (en) | 2016-03-08 |
JP5496895B2 (ja) | 2014-05-21 |
EP2193276A2 (en) | 2010-06-09 |
WO2009044197A3 (en) | 2009-05-22 |
CN101815873B (zh) | 2013-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25G | Requested change of headquarter approved |
Owner name: EDWARDS LIMITED (GB) |
|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B11D | Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time |