DE3463824D1 - Axial thrust reducing device for pumps - Google Patents

Axial thrust reducing device for pumps

Info

Publication number
DE3463824D1
DE3463824D1 DE8484101200T DE3463824T DE3463824D1 DE 3463824 D1 DE3463824 D1 DE 3463824D1 DE 8484101200 T DE8484101200 T DE 8484101200T DE 3463824 T DE3463824 T DE 3463824T DE 3463824 D1 DE3463824 D1 DE 3463824D1
Authority
DE
Germany
Prior art keywords
thrust
thrust disc
reducing device
motor
impeller
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
Application number
DE8484101200T
Other languages
German (de)
English (en)
Inventor
Masahiro Yoshioka
Hiroshi Inoue
Eiichi Hazaki
Shiro Nakadaira
Akihisa Okada
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 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 Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3463824D1 publication Critical patent/DE3463824D1/de
Expired 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0413—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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0416—Axial thrust balancing balancing pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
DE8484101200T 1983-03-04 1984-02-06 Axial thrust reducing device for pumps Expired DE3463824D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58034508A JPS59160093A (ja) 1983-03-04 1983-03-04 サブマ−ジブルポンプの軸スラスト荷重低減装置

Publications (1)

Publication Number Publication Date
DE3463824D1 true DE3463824D1 (en) 1987-06-25

Family

ID=12416197

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484101200T Expired DE3463824D1 (en) 1983-03-04 1984-02-06 Axial thrust reducing device for pumps

Country Status (4)

Country Link
EP (1) EP0121053B1 (US20110009641A1-20110113-C00116.png)
JP (1) JPS59160093A (US20110009641A1-20110113-C00116.png)
AT (1) ATE27341T1 (US20110009641A1-20110113-C00116.png)
DE (1) DE3463824D1 (US20110009641A1-20110113-C00116.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6389309U (US20110009641A1-20110113-C00116.png) * 1986-11-29 1988-06-10
JPH088319Y2 (ja) * 1988-07-18 1996-03-06 株式会社荏原製作所 遠心ポンプのバランスデイスク式軸推力平衡装置
DE3929750A1 (de) * 1989-03-04 1990-09-06 Klein Schanzlin & Becker Ag Axialschubentlastungseinrichtung
US5340272A (en) * 1992-08-19 1994-08-23 Bw/Ip International, Inc. Multi-stage centrifugal pump incorporating a sealed thrust bearing
FI940630A (fi) * 1994-02-11 1995-08-12 Ahlstroem Oy Keskipakopumppu
US6071091A (en) * 1998-02-12 2000-06-06 Lemieux; Guy B. Integral motor/generator and pump/turbine with hydrostatic bearings
US7612143B2 (en) 1999-08-04 2009-11-03 Hybrid Plastics, Inc. Metallized nanostructured chemicals alloyed into polymers
US7820761B2 (en) 1999-08-04 2010-10-26 Hybrid Plastics, Inc. Metallized nanostructured chemicals as cure promoters
JP4119815B2 (ja) * 2003-09-30 2008-07-16 三菱重工業株式会社 圧縮機
JP4347173B2 (ja) 2004-09-15 2009-10-21 三菱重工業株式会社 キャンドモーターポンプ
DE102006011613A1 (de) * 2006-03-14 2007-09-20 Ksb Aktiengesellschaft Kreiselpumpe mit Axialschubausgleichseinrichtung
CN103195745B (zh) * 2013-04-24 2015-08-19 东风汽车公司 一种新能源汽车的冷却水泵
CN110454509A (zh) * 2019-08-30 2019-11-15 福建福清核电有限公司 一种唧送型轴承推力盘
CN111998005B (zh) * 2020-08-25 2022-02-18 南京工程学院 一种水润滑推力轴承的冷却冲洗结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB518428A (en) * 1937-10-06 1940-02-27 Sulzer Ag Improvements in or relating to rotary immersion pumps
DE922807C (de) * 1945-03-06 1955-01-24 Aeg Einrichtung zum Ausgleich des Axialschubes mehrstufiger Kreiselpumpen
FR1276208A (fr) * 1960-12-14 1961-11-17 Pompe sans bourrage ni presse-étoupe avec passage du liquide par une section intérieure du palier d'entrée
US3420184A (en) * 1967-05-17 1969-01-07 Julius L Englesberg Pump employing magnetic drive
GB1351826A (en) * 1971-11-29 1974-05-01 Carter Co J C Lubricating cooling and balancing of pump and motor units
JPS5825876B2 (ja) * 1980-02-18 1983-05-30 株式会社日立製作所 軸推力平衡装置
JPS5788288A (en) * 1980-11-21 1982-06-02 Hitachi Ltd Internal pump

Also Published As

Publication number Publication date
JPS59160093A (ja) 1984-09-10
ATE27341T1 (de) 1987-06-15
EP0121053B1 (en) 1987-05-20
EP0121053A1 (en) 1984-10-10
JPS626119B2 (US20110009641A1-20110113-C00116.png) 1987-02-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee