CN100516533C - 流体输送设备 - Google Patents

流体输送设备 Download PDF

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Publication number
CN100516533C
CN100516533C CNB031451322A CN03145132A CN100516533C CN 100516533 C CN100516533 C CN 100516533C CN B031451322 A CNB031451322 A CN B031451322A CN 03145132 A CN03145132 A CN 03145132A CN 100516533 C CN100516533 C CN 100516533C
Authority
CN
China
Prior art keywords
pump
fluid
rotor
oxygen
bearing
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.)
Expired - Fee Related
Application number
CNB031451322A
Other languages
English (en)
Chinese (zh)
Other versions
CN1472440A (zh
Inventor
丸山照雄
日下圭吾
古屋美幸
山下和一
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1472440A publication Critical patent/CN1472440A/zh
Application granted granted Critical
Publication of CN100516533C publication Critical patent/CN100516533C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic
    • 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
    • F04C18/14—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 toothed rotary pistons
    • F04C18/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/044—Holweck-type pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/046—Combinations of two or more different types of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0516—Axial thrust balancing balancing pistons
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
CNB031451322A 2002-06-19 2003-06-18 流体输送设备 Expired - Fee Related CN100516533C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002178088 2002-06-19
JP2002178088A JP2004019605A (ja) 2002-06-19 2002-06-19 流体輸送システム及びその方法

Publications (2)

Publication Number Publication Date
CN1472440A CN1472440A (zh) 2004-02-04
CN100516533C true CN100516533C (zh) 2009-07-22

Family

ID=30437009

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031451322A Expired - Fee Related CN100516533C (zh) 2002-06-19 2003-06-18 流体输送设备

Country Status (4)

Country Link
US (1) US7118353B2 (enExample)
JP (1) JP2004019605A (enExample)
KR (1) KR20040002625A (enExample)
CN (1) CN100516533C (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ585029A (en) * 2008-01-31 2011-07-29 Resmed Ltd Respiratory apparatus with the flow generator casing mounted on the wearer's head
EP2108844A3 (en) * 2008-03-26 2013-09-18 Ebara Corporation Turbo vacuum pump
US8673394B2 (en) * 2008-05-20 2014-03-18 Sundew Technologies Llc Deposition method and apparatus
US9222478B2 (en) * 2012-02-22 2015-12-29 Asia Vital Components Co., Ltd. Bladeless fan structure
JP2015215061A (ja) * 2014-05-12 2015-12-03 日本精工株式会社 転がり軸受
KR101839678B1 (ko) * 2016-04-19 2018-03-16 윤국영 기액펌프가 구비된 전자부품 냉각장치
DE102016220641A1 (de) * 2016-10-20 2018-04-26 Continental Automotive Gmbh Kraftstoffpumpe
CN109237666B (zh) * 2018-09-30 2024-04-16 珠海格力电器股份有限公司 蓄氧装置及具有其的空调器
GB2584076B (en) * 2019-05-03 2022-04-20 Edwards Ltd Lubricant supply system and vacuum pump
CN110206729B (zh) * 2019-05-27 2020-05-19 西安交通大学 一种具有气体止推轴承的自平衡轴向力四螺杆机械装置
CN117846985B (zh) * 2023-12-25 2024-11-19 北京中科科仪股份有限公司 一种分子泵

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144163A (en) * 1975-06-05 1979-03-13 Sala Magnetics, Inc. Magnetodensity separation method and apparatus
DE3937345A1 (de) * 1989-11-09 1991-05-16 Pfeiffer Vakuumtechnik Pumpe mit antriebsmotor
US5527159A (en) * 1993-11-10 1996-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary blood pump
US6015272A (en) * 1996-06-26 2000-01-18 University Of Pittsburgh Magnetically suspended miniature fluid pump and method of designing the same
DE69911013T2 (de) * 1998-06-19 2004-07-08 Photosynthesis (Jersey) Ltd. Impellerpumpe mit flexiblen flügeln
US6506025B1 (en) * 1999-06-23 2003-01-14 California Institute Of Technology Bladeless pump
JP2002039569A (ja) 2000-07-24 2002-02-06 Matsushita Electric Ind Co Ltd 空気調和機
EP1451471A2 (en) * 2001-12-04 2004-09-01 KAG Holding A/S Screw pump for transporting emulsions susceptible to mechanical handling

Also Published As

Publication number Publication date
JP2004019605A (ja) 2004-01-22
US20040033153A1 (en) 2004-02-19
KR20040002625A (ko) 2004-01-07
CN1472440A (zh) 2004-02-04
US7118353B2 (en) 2006-10-10

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Legal Events

Date Code Title Description
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
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090722

Termination date: 20110618