IT1392143B1 - Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato. - Google Patents

Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.

Info

Publication number
IT1392143B1
IT1392143B1 ITMI2008A001639A ITMI20081639A IT1392143B1 IT 1392143 B1 IT1392143 B1 IT 1392143B1 IT MI2008A001639 A ITMI2008A001639 A IT MI2008A001639A IT MI20081639 A ITMI20081639 A IT MI20081639A IT 1392143 B1 IT1392143 B1 IT 1392143B1
Authority
IT
Italy
Prior art keywords
centrifugal pump
stage centrifugal
balancing drum
hydraulic balancing
controlled drawing
Prior art date
Application number
ITMI2008A001639A
Other languages
English (en)
Inventor
Alberto Marcelli
Original Assignee
Pompe Garbarino S P A
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 Pompe Garbarino S P A filed Critical Pompe Garbarino S P A
Priority to ITMI2008A001639A priority Critical patent/IT1392143B1/it
Priority to EP09005985A priority patent/EP2163767B1/en
Priority to US12/454,204 priority patent/US8133007B2/en
Publication of ITMI20081639A1 publication Critical patent/ITMI20081639A1/it
Application granted granted Critical
Publication of IT1392143B1 publication Critical patent/IT1392143B1/it

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
    • F04D29/0416—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
    • 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
    • F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ITMI2008A001639A 2008-09-15 2008-09-15 Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato. IT1392143B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI2008A001639A IT1392143B1 (it) 2008-09-15 2008-09-15 Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.
EP09005985A EP2163767B1 (en) 2008-09-15 2009-04-30 Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum
US12/454,204 US8133007B2 (en) 2008-09-15 2009-05-14 Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2008A001639A IT1392143B1 (it) 2008-09-15 2008-09-15 Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.

Publications (2)

Publication Number Publication Date
ITMI20081639A1 ITMI20081639A1 (it) 2010-03-16
IT1392143B1 true IT1392143B1 (it) 2012-02-22

Family

ID=40848824

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2008A001639A IT1392143B1 (it) 2008-09-15 2008-09-15 Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.

Country Status (3)

Country Link
US (1) US8133007B2 (it)
EP (1) EP2163767B1 (it)
IT (1) IT1392143B1 (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1392143B1 (it) * 2008-09-15 2012-02-22 Pompe Garbarino S P A Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.
US8167661B2 (en) 2008-12-02 2012-05-01 Panduit Corp. Method and system for improving crosstalk attenuation within a plug/jack connection and between nearby plug/jack combinations
IT1393311B1 (it) * 2009-03-19 2012-04-20 Turboden Srl Turbina per espansione di gas/vapore con mezzi di contrasto della spinta assiale sull'albero di uscita
RU2443907C1 (ru) * 2010-09-07 2012-02-27 Закрытое акционерное общество "Гидрогаз" (ЗАО "Гидрогаз") Полупогружной многоступенчатый насосный агрегат
CN103062110A (zh) * 2011-10-21 2013-04-24 成都思茂科技有限公司 防锈给水泵磨损环
CN102635568B (zh) * 2012-04-25 2014-05-14 山东名流实业集团有限公司 多级离心泵轴向力平衡装置
CN102878104B (zh) * 2012-10-25 2014-11-26 浙江佳力科技股份有限公司 多级中开式离心泵轴向力平衡结构
CN103206406A (zh) * 2013-04-24 2013-07-17 嘉利特荏原泵业有限公司 多级径向剖分石油化工流程泵
TWI725016B (zh) * 2015-03-20 2021-04-21 日商荏原製作所股份有限公司 用於離心式泵浦之葉輪
RU2623634C1 (ru) * 2016-01-27 2017-06-28 Закрытое акционерное общество "АНОД - НН" Способ разгрузки осевой силы многоступенчатого секционного насоса
EP3412915B1 (en) 2017-06-09 2019-12-25 Xylem Europe GmbH Self-adjusting drum system
CN107795510B (zh) * 2017-11-24 2024-03-22 湖州三井低温设备有限公司 一种多级低温潜液泵轴向力平衡机构
CN110410354B (zh) * 2019-09-04 2024-04-26 上海中韩杜科泵业制造有限公司 一种水泵轴向力自平衡装置
US11441577B2 (en) * 2020-02-06 2022-09-13 Curtiss-Wright Electro-Mechanical Corporation Apparatus for transferring pressurized fluid in a back-to-back multi-stage pump
CN111963442A (zh) * 2020-09-03 2020-11-20 江苏长江水泵有限公司 双平衡毂结构低速矿用多级离心泵
CN112664273B (zh) * 2020-12-28 2023-05-02 重庆江增船舶重工有限公司 一种有机工质膨胀机转子
US11933321B2 (en) 2021-01-13 2024-03-19 Sulzer Management Ag Rotary pump for conveying a fluid
EP4098879A1 (en) 2021-06-01 2022-12-07 Sulzer Management AG A balancing drum assembly in a centrifugal pump and method of operating a balancing drum assembly
US11971046B2 (en) * 2022-02-11 2024-04-30 Sulzer Management Ag Rotary pump for conveying a fluid

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US1927543A (en) * 1932-02-03 1933-09-19 Ingersoll Rand Co Sealing device
DE1453787A1 (de) * 1962-05-16 1969-05-08 Klein Schanzlin & Becker Ag Achsschubentlastungseinrichtung fuer Kreiselpumpen
DE1528717B2 (de) * 1965-06-30 1976-04-15 Halberg Maschinenbau Gmbh & Co, 6700 Ludwigshafen Vorrichtung zum ausgleich des axialschubes bei mehrstufigen kreiselpumpen
US3746461A (en) * 1971-10-08 1973-07-17 S Yokota Device for balancing axial thrust on the impeller shaft of pumps
JPS5825876B2 (ja) * 1980-02-18 1983-05-30 株式会社日立製作所 軸推力平衡装置
JPS5872693A (ja) * 1981-10-28 1983-04-30 Hitachi Ltd 軸推力平衡装置
JPH0777192A (ja) * 1993-09-10 1995-03-20 Nikkiso Co Ltd スラストバランス機構を備えた遠心ポンプの性能予測方法
US5591016A (en) * 1994-11-30 1997-01-07 Nikkiso Co., Ltd. Multistage canned motor pump having a thrust balancing disk
DE29500744U1 (de) * 1995-01-18 1996-05-15 Sihi Ind Consult Gmbh Strömungsmaschine mit Entlastungskolben
JP3537349B2 (ja) * 1998-04-20 2004-06-14 日機装株式会社 スラストバランス装置
US6264440B1 (en) * 1998-10-29 2001-07-24 Innovative Mag-Drive, L.L.C. Centrifugal pump having an axial thrust balancing system
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US6506031B2 (en) * 2001-04-04 2003-01-14 Carrier Corporation Screw compressor with axial thrust balancing and motor cooling device
US20090074560A1 (en) * 2003-02-10 2009-03-19 Madison Joel V Thrust balancing device for cryogenic fluid machinery
US7354240B2 (en) * 2005-12-16 2008-04-08 Korea Aerospace Research Institute Centrifugal turbo machine with axial thrust control member
US8016545B2 (en) * 2006-06-14 2011-09-13 Fluid Equipment Development Company, Llc Thrust balancing in a centrifugal pump
FR2906578B1 (fr) * 2006-09-28 2012-12-21 Snecma Pompe comprenant un systeme d'equilibrage axial
IT1392143B1 (it) * 2008-09-15 2012-02-22 Pompe Garbarino S P A Pompa centrifuga multistadio con tamburo di bilanciamento idraulico a trafilamento controllato.

Also Published As

Publication number Publication date
EP2163767B1 (en) 2012-06-20
US8133007B2 (en) 2012-03-13
ITMI20081639A1 (it) 2010-03-16
US20100068031A1 (en) 2010-03-18
EP2163767A1 (en) 2010-03-17

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