CN100523516C - 单轴多级泵 - Google Patents

单轴多级泵 Download PDF

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Publication number
CN100523516C
CN100523516C CNB200410068300XA CN200410068300A CN100523516C CN 100523516 C CN100523516 C CN 100523516C CN B200410068300X A CNB200410068300X A CN B200410068300XA CN 200410068300 A CN200410068300 A CN 200410068300A CN 100523516 C CN100523516 C CN 100523516C
Authority
CN
China
Prior art keywords
water
rotating shaft
shaft
bearing
sealing device
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
CNB200410068300XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1641224A (zh
Inventor
千叶由昌
石川畅一
桂裕之
阿部大门
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 Industries 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 Hitachi Industries Co Ltd filed Critical Hitachi Industries Co Ltd
Publication of CN1641224A publication Critical patent/CN1641224A/zh
Application granted granted Critical
Publication of CN100523516C publication Critical patent/CN100523516C/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
    • 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)
CNB200410068300XA 2004-01-15 2004-08-27 单轴多级泵 Expired - Fee Related CN100523516C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004007907A JP4352903B2 (ja) 2004-01-15 2004-01-15 一軸多段ポンプ
JP2004007907 2004-01-15

Publications (2)

Publication Number Publication Date
CN1641224A CN1641224A (zh) 2005-07-20
CN100523516C true CN100523516C (zh) 2009-08-05

Family

ID=34616885

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB200410068300XA Expired - Fee Related CN100523516C (zh) 2004-01-15 2004-08-27 单轴多级泵

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
EP2331824A4 (en) 2008-09-10 2016-03-23 Pentair Pump Group Inc Multi-stage high-performance centrifugal pump and mounting method
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
JP7693537B2 (ja) * 2018-09-27 2025-06-17 カーエスベー ソシエタス ヨーロピア ウント コンパニー コマンディート ゲゼルシャフト アウフ アクチェン 軸スラストが最適化される多段ポンプ
WO2021260713A1 (en) * 2020-06-25 2021-12-30 Shri Alka Industries A water lubricated silicon carbide thrust bearing for submersible pump and motor
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Innovatives, umweltfreundliches und wirtschaftlichesSpeisepumpenkonzept erfolgreich erprobt. K. Gaffal.VGB Kraftwerkstechnik,Vol.73 No.3. 1993 *

Also Published As

Publication number Publication date
US7198457B2 (en) 2007-04-03
US20050158165A1 (en) 2005-07-21
JP4352903B2 (ja) 2009-10-28
CN1641224A (zh) 2005-07-20
KR20050075271A (ko) 2005-07-20
DE602004023581D1 (de) 2009-11-26
KR100614950B1 (ko) 2006-08-25
EP1555439A2 (en) 2005-07-20
EP1555439A3 (en) 2006-03-15
JP2005201137A (ja) 2005-07-28
EP1555439B1 (en) 2009-10-14

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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
ASS Succession or assignment of patent right

Owner name: HITACHI,LTD.

Free format text: FORMER OWNER: HITACHI PLANT TECHNOLOGIES LTD.

Effective date: 20140310

Owner name: HITACHI PLANT TECHNOLOGIES LTD.

Free format text: FORMER OWNER: HITACHI SANGYO CORP.

Effective date: 20140310

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140310

Address after: Tokyo, Japan

Patentee after: Hitachi, Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Plant Technologies, Ltd.

Effective date of registration: 20140310

Address after: Tokyo, Japan

Patentee after: Hitachi Plant Technologies, Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Industries Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090805

Termination date: 20160827