ATE337490T1 - Verbesserung in dichtungsanordnung - Google Patents
Verbesserung in dichtungsanordnungInfo
- Publication number
- ATE337490T1 ATE337490T1 AT04731392T AT04731392T ATE337490T1 AT E337490 T1 ATE337490 T1 AT E337490T1 AT 04731392 T AT04731392 T AT 04731392T AT 04731392 T AT04731392 T AT 04731392T AT E337490 T1 ATE337490 T1 AT E337490T1
- Authority
- AT
- Austria
- Prior art keywords
- fluid
- components
- seal
- pump
- ring
- 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
- 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
-
- 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
- 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
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/086—Carter
-
- 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
- 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
- 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
- F04C18/123—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 or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
-
- 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
- F04C2220/00—Application
- F04C2220/10—Vacuum
- F04C2220/12—Dry running
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Gasket Seals (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Sealing Material Composition (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0310615.0A GB0310615D0 (en) | 2003-05-08 | 2003-05-08 | Improvements in seal assemblies |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE337490T1 true ATE337490T1 (de) | 2006-09-15 |
Family
ID=9957695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04731392T ATE337490T1 (de) | 2003-05-08 | 2004-05-06 | Verbesserung in dichtungsanordnung |
Country Status (10)
Country | Link |
---|---|
US (1) | US7214041B2 (de) |
EP (1) | EP1620649B1 (de) |
JP (1) | JP4637092B2 (de) |
KR (1) | KR101099829B1 (de) |
CN (1) | CN100363621C (de) |
AT (1) | ATE337490T1 (de) |
DE (1) | DE602004002112T2 (de) |
GB (1) | GB0310615D0 (de) |
TW (1) | TWI321191B (de) |
WO (1) | WO2004099620A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2408801A (en) * | 2003-12-03 | 2005-06-08 | Boc Group Plc | Detection of seal leak using differential pressure measurement |
GB0603318D0 (en) * | 2006-02-20 | 2006-03-29 | Boc Group Plc | Seal |
GB2442738B (en) * | 2006-10-09 | 2011-08-03 | Boc Group Plc | A sealing system |
GB0620144D0 (en) * | 2006-10-11 | 2006-11-22 | Boc Group Plc | Vacuum pump |
KR100873104B1 (ko) * | 2007-03-16 | 2008-12-09 | 삼성전자주식회사 | 회전체 크리닝 유니트 및 이를 갖는 진공펌프 |
GB0712779D0 (en) * | 2007-07-02 | 2007-08-08 | Edwards Ltd | Seal |
GB0719394D0 (en) * | 2007-10-04 | 2007-11-14 | Edwards Ltd | A multi stage clam shell vacuum pump |
DE102008063133A1 (de) | 2008-12-24 | 2010-07-01 | Oerlikon Leybold Vacuum Gmbh | Vakuumpumpe |
KR20100091063A (ko) | 2009-02-09 | 2010-08-18 | 삼성전자주식회사 | 회전체 크리닝 장치 및 이를 갖는 진공 펌프 |
JP5263558B2 (ja) * | 2011-10-05 | 2013-08-14 | 株式会社四葉機械製作所 | 耐腐食性多段式真空ポンプ |
GB2500603A (en) * | 2012-03-26 | 2013-10-02 | Edwards Ltd | Vacuum pump stators and vacuum pumps |
GB2584005B (en) * | 2019-03-22 | 2022-11-23 | Cummins Inc | Vacuum pump exhaust reed valve with pressure bleed |
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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB356168A (en) * | 1930-03-01 | 1931-09-01 | Brown David & Sons Ltd | An improvement in or relating to rotary pumps |
JPH0733834B2 (ja) * | 1986-12-18 | 1995-04-12 | 株式会社宇野澤組鐵工所 | ロータ内蔵ハウジングの外周温度が安定化された内部分流逆流冷却多段式の三葉式真空ポンプ |
FR2638788B1 (fr) * | 1988-11-07 | 1994-01-28 | Alcatel Cit | Pompe a vide du type roots multietage |
JPH0747958B2 (ja) * | 1990-06-18 | 1995-05-24 | 株式会社アンレツト | 内部洗浄可能なまゆ型2軸多段真空ポンプ |
JP2537696B2 (ja) * | 1990-09-21 | 1996-09-25 | 株式会社荏原製作所 | 多段真空ポンプ |
JPH07133793A (ja) * | 1993-11-09 | 1995-05-23 | Hitachi Ltd | 真空ポンプ |
DE69610352T2 (de) * | 1995-04-19 | 2001-05-17 | Ebara Corp., Tokio/Tokyo | Mehrstufige Verdrängungsvakuumpumpe |
US5567140A (en) * | 1995-04-24 | 1996-10-22 | Itt Corporation | Keyed insert plate for curved rotary lobe pump chamber walls |
JP3162647B2 (ja) * | 1997-03-24 | 2001-05-08 | 株式会社荏原製作所 | トラップ装置 |
US6123526A (en) * | 1998-09-18 | 2000-09-26 | Industrial Technology Research Institute | Multistage pump and method for assembling the pump |
FR2813104B1 (fr) * | 2000-08-21 | 2002-11-29 | Cit Alcatel | Joint etancheite pour pompe a vide |
-
2003
- 2003-05-08 GB GBGB0310615.0A patent/GB0310615D0/en not_active Ceased
-
2004
- 2004-05-06 EP EP04731392A patent/EP1620649B1/de not_active Expired - Lifetime
- 2004-05-06 CN CNB2004800125228A patent/CN100363621C/zh not_active Expired - Lifetime
- 2004-05-06 KR KR1020057021122A patent/KR101099829B1/ko active IP Right Grant
- 2004-05-06 US US10/555,972 patent/US7214041B2/en not_active Expired - Lifetime
- 2004-05-06 WO PCT/GB2004/001955 patent/WO2004099620A1/en active IP Right Grant
- 2004-05-06 JP JP2006506225A patent/JP4637092B2/ja not_active Expired - Lifetime
- 2004-05-06 AT AT04731392T patent/ATE337490T1/de not_active IP Right Cessation
- 2004-05-06 DE DE602004002112T patent/DE602004002112T2/de not_active Expired - Lifetime
- 2004-05-07 TW TW093112921A patent/TWI321191B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1784546A (zh) | 2006-06-07 |
KR20060009907A (ko) | 2006-02-01 |
US20060216186A1 (en) | 2006-09-28 |
TWI321191B (en) | 2010-03-01 |
TW200506218A (en) | 2005-02-16 |
WO2004099620A1 (en) | 2004-11-18 |
EP1620649B1 (de) | 2006-08-23 |
JP4637092B2 (ja) | 2011-02-23 |
JP2006525467A (ja) | 2006-11-09 |
KR101099829B1 (ko) | 2011-12-28 |
US7214041B2 (en) | 2007-05-08 |
DE602004002112D1 (de) | 2006-10-05 |
GB0310615D0 (en) | 2003-06-11 |
CN100363621C (zh) | 2008-01-23 |
DE602004002112T2 (de) | 2007-03-01 |
EP1620649A1 (de) | 2006-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |