CN100363621C - 密封组件的改进 - Google Patents

密封组件的改进 Download PDF

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Publication number
CN100363621C
CN100363621C CNB2004800125228A CN200480012522A CN100363621C CN 100363621 C CN100363621 C CN 100363621C CN B2004800125228 A CNB2004800125228 A CN B2004800125228A CN 200480012522 A CN200480012522 A CN 200480012522A CN 100363621 C CN100363621 C CN 100363621C
Authority
CN
China
Prior art keywords
fluid
seal
pump
black box
cavity
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.)
Ceased
Application number
CNB2004800125228A
Other languages
English (en)
Chinese (zh)
Other versions
CN1784546A (zh
Inventor
P·H·伯奇
D·A·图雷尔
M·W·格雷
N·图尔纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOC Group Ltd
Edwards Ltd
Original Assignee
BOC Group Ltd
Edwards Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BOC Group Ltd, Edwards Ltd filed Critical BOC Group Ltd
Publication of CN1784546A publication Critical patent/CN1784546A/zh
Application granted granted Critical
Publication of CN100363621C publication Critical patent/CN100363621C/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/02Liquid sealing for high-vacuum pumps or for compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-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
    • F04C18/082Details specially related to intermeshing engagement type pumps
    • F04C18/086Carter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations 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
    • F04C23/001Combinations 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-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
    • F04C18/12Rotary-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
    • F04C18/123Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-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
    • F04C18/12Rotary-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
    • F04C18/126Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2220/00Application
    • F04C2220/10Vacuum
    • F04C2220/12Dry 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)
CNB2004800125228A 2003-05-08 2004-05-06 密封组件的改进 Ceased CN100363621C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0310615.0A GB0310615D0 (en) 2003-05-08 2003-05-08 Improvements in seal assemblies
GB0310615.0 2003-05-08

Publications (2)

Publication Number Publication Date
CN1784546A CN1784546A (zh) 2006-06-07
CN100363621C true CN100363621C (zh) 2008-01-23

Family

ID=9957695

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800125228A Ceased CN100363621C (zh) 2003-05-08 2004-05-06 密封组件的改进

Country Status (10)

Country Link
US (1) US7214041B2 (enExample)
EP (1) EP1620649B1 (enExample)
JP (1) JP4637092B2 (enExample)
KR (1) KR101099829B1 (enExample)
CN (1) CN100363621C (enExample)
AT (1) ATE337490T1 (enExample)
DE (1) DE602004002112T2 (enExample)
GB (1) GB0310615D0 (enExample)
TW (1) TWI321191B (enExample)
WO (1) WO2004099620A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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
KR102856868B1 (ko) 2023-07-25 2025-09-08 프로인주식회사 진공 펌프
US20250163909A1 (en) * 2023-11-22 2025-05-22 GM Global Technology Operations LLC Pump housing with drain for vehicle
CN118654113B (zh) * 2024-08-16 2024-11-05 宁波拓克传动有限公司 一种行星架自紧固型行星齿轮减速机

Citations (5)

* Cited by examiner, † Cited by third party
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
US4990069A (en) * 1988-11-07 1991-02-05 Societe Anonyme Dite: Alcatel Cit Multi-stage roots vacuum pump with sealing module
JPH0450492A (ja) * 1990-06-18 1992-02-19 Anlet Co Ltd 内部洗浄可能なまゆ型2軸多段真空ポンプ
US6123526A (en) * 1998-09-18 2000-09-26 Industrial Technology Research Institute Multistage pump and method for assembling the pump
US20020155014A1 (en) * 2000-08-21 2002-10-24 Pascal Durand Pressure seal for a vacuum pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
EP0738833B1 (en) * 1995-04-19 2000-09-20 Ebara Corporation Multistage positive-displacement vacuum pump
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
US4990069A (en) * 1988-11-07 1991-02-05 Societe Anonyme Dite: Alcatel Cit Multi-stage roots vacuum pump with sealing module
JPH0450492A (ja) * 1990-06-18 1992-02-19 Anlet Co Ltd 内部洗浄可能なまゆ型2軸多段真空ポンプ
US6123526A (en) * 1998-09-18 2000-09-26 Industrial Technology Research Institute Multistage pump and method for assembling the pump
US20020155014A1 (en) * 2000-08-21 2002-10-24 Pascal Durand Pressure seal for a vacuum pump

Also Published As

Publication number Publication date
JP4637092B2 (ja) 2011-02-23
CN1784546A (zh) 2006-06-07
DE602004002112D1 (de) 2006-10-05
KR20060009907A (ko) 2006-02-01
JP2006525467A (ja) 2006-11-09
US20060216186A1 (en) 2006-09-28
DE602004002112T2 (de) 2007-03-01
EP1620649A1 (en) 2006-02-01
ATE337490T1 (de) 2006-09-15
KR101099829B1 (ko) 2011-12-28
TWI321191B (en) 2010-03-01
WO2004099620A1 (en) 2004-11-18
GB0310615D0 (en) 2003-06-11
TW200506218A (en) 2005-02-16
EP1620649B1 (en) 2006-08-23
US7214041B2 (en) 2007-05-08

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20080123

IW01 Full invalidation of patent right
IW01 Full invalidation of patent right

Decision date of declaring invalidation: 20250304

Decision number of declaring invalidation: 584686

Granted publication date: 20080123