DE602004023581D1 - Mehrstufige Einzelwellenpumpe - Google Patents

Mehrstufige Einzelwellenpumpe

Info

Publication number
DE602004023581D1
DE602004023581D1 DE602004023581T DE602004023581T DE602004023581D1 DE 602004023581 D1 DE602004023581 D1 DE 602004023581D1 DE 602004023581 T DE602004023581 T DE 602004023581T DE 602004023581 T DE602004023581 T DE 602004023581T DE 602004023581 D1 DE602004023581 D1 DE 602004023581D1
Authority
DE
Germany
Prior art keywords
single shaft
shaft pump
stage single
stage
pump
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 - Lifetime
Application number
DE602004023581T
Other languages
German (de)
English (en)
Inventor
Yoshimasa Chiba
Choichi Ishikawa
Hiroyuki Katsura
Daimon Abe
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.)
Hitachi Ltd
Original Assignee
Hitachi Plant Technologies 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 Hitachi Plant Technologies Ltd filed Critical Hitachi Plant Technologies Ltd
Publication of DE602004023581D1 publication Critical patent/DE602004023581D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials especially adapted for liquid 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0416—Axial thrust balancing balancing pistons
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • F05D2240/53—Hydrodynamic or hydrostatic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
DE602004023581T 2004-01-15 2004-08-10 Mehrstufige Einzelwellenpumpe Expired - Lifetime DE602004023581D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004007907A JP4352903B2 (ja) 2004-01-15 2004-01-15 一軸多段ポンプ

Publications (1)

Publication Number Publication Date
DE602004023581D1 true DE602004023581D1 (de) 2009-11-26

Family

ID=34616885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004023581T Expired - Lifetime DE602004023581D1 (de) 2004-01-15 2004-08-10 Mehrstufige Einzelwellenpumpe

Country Status (6)

Country Link
US (1) US7198457B2 (enExample)
EP (1) EP1555439B1 (enExample)
JP (1) JP4352903B2 (enExample)
KR (1) KR100614950B1 (enExample)
CN (1) CN100523516C (enExample)
DE (1) DE602004023581D1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090028696A1 (en) * 2007-07-26 2009-01-29 Gannett Thomas P Thermoplastic polymer bushings
WO2009158695A1 (en) * 2008-06-27 2009-12-30 Greene, Tweed Of Delaware, Inc. Split bearing assemblies, air-cooled heat exchangers and related methods
US8398361B2 (en) 2008-09-10 2013-03-19 Pentair Pump Group, Inc. High-efficiency, multi-stage centrifugal pump and method of assembly
JP6420701B2 (ja) * 2015-03-24 2018-11-07 株式会社荏原製作所 ポンプ
CN105443399B (zh) * 2016-01-07 2018-11-06 上海电气凯士比核电泵阀有限公司 一种自冷却电动辅助给水泵
CN106640745A (zh) * 2016-12-14 2017-05-10 衡阳市力源动力制造有限公司 一种多级叶轮高扬程污水电泵
KR101998620B1 (ko) * 2018-06-29 2019-07-10 김성환 외장형 세퍼레이터를 갖는 건식 석션장치
KR102209759B1 (ko) * 2018-09-12 2021-02-03 주식회사에스에이치이 튀김기름용 내열펌프
WO2020065674A1 (en) * 2018-09-27 2020-04-02 Ksb Tech Pvt. Ltd A multistage pump with axial thrust optimization
CN115867729A (zh) * 2020-06-25 2023-03-28 什里阿尔卡工业公司 用于潜水泵和马达的水润滑碳化硅推力轴承
US11655822B1 (en) * 2022-08-03 2023-05-23 Flowserve Pte. Ltd. Multi-stage pump or turbine for controlling fluids with significant variations in gas fraction
KR102617553B1 (ko) 2023-08-28 2023-12-22 (주)그린텍 다단펌프의 밸런스장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025070A (en) * 1959-12-11 1962-03-13 John C Copes Split mechanical seals
FI940630A7 (fi) 1994-02-11 1995-08-12 Ahlstroem Pumput Oy Keskipakopumppu
JP2843280B2 (ja) * 1995-09-29 1999-01-06 アイシン精機株式会社 ウォータポンプ
JP3611442B2 (ja) 1998-03-25 2005-01-19 株式会社荏原製作所 ２重胴多段ポンプの構造
JP2001124070A (ja) 1999-10-21 2001-05-08 Hitachi Ltd 水潤滑軸受装置
JP2001248586A (ja) 2000-03-07 2001-09-14 Mitsubishi Heavy Ind Ltd 遠心ポンプ
US6485023B2 (en) * 2000-05-04 2002-11-26 Flowserve Management Company Split mechanical face seal
DE10038586A1 (de) 2000-08-03 2002-02-14 Ksb Ag Axialschubausgleichseinrichtung
JP3961212B2 (ja) * 2000-11-01 2007-08-22 Ｎｔｎ株式会社 ウォータポンプ用滑り軸受
DE10058499A1 (de) * 2000-11-24 2002-05-29 Ksb Ag Gleitlager für eine Kreiselpumpe
JP2002242881A (ja) 2001-02-19 2002-08-28 Mitsubishi Heavy Ind Ltd 高速多段ボイラ給水ポンプ用軸受構造
JP2006009819A (ja) * 2004-06-22 2006-01-12 Ntn Corp 燃料電池の冷却水循環ポンプ用滑り軸受

Also Published As

Publication number Publication date
EP1555439A3 (en) 2006-03-15
JP2005201137A (ja) 2005-07-28
CN1641224A (zh) 2005-07-20
US20050158165A1 (en) 2005-07-21
US7198457B2 (en) 2007-04-03
EP1555439A2 (en) 2005-07-20
CN100523516C (zh) 2009-08-05
EP1555439B1 (en) 2009-10-14
JP4352903B2 (ja) 2009-10-28
KR100614950B1 (ko) 2006-08-25
KR20050075271A (ko) 2005-07-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition