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DE69629606D1 - Pumpe mit einem verbesserten Durchflusskanal - Google Patents

Pumpe mit einem verbesserten Durchflusskanal

Info

Publication number
DE69629606D1
DE69629606D1 DE69629606T DE69629606T DE69629606D1 DE 69629606 D1 DE69629606 D1 DE 69629606D1 DE 69629606 T DE69629606 T DE 69629606T DE 69629606 T DE69629606 T DE 69629606T DE 69629606 D1 DE69629606 D1 DE 69629606D1
Authority
DE
Germany
Prior art keywords
pump
flow channel
improved flow
improved
channel
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
DE69629606T
Other languages
English (en)
Other versions
DE69629606T2 (de
Inventor
Makoto Kobayashi
Masakazu Yamamoto
Yoshio Miyake
Koji Isemoto
Kaoru Yagi
Keita Uwai
Yoshiaki Miyazaki
Katsuji Iijima
Junya Kawabata
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.)
Ebara Corp
Original Assignee
Ebara Corp
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
Priority claimed from JP04635695A external-priority patent/JP3249332B2/ja
Priority claimed from JP30693795A external-priority patent/JP3238056B2/ja
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of DE69629606D1 publication Critical patent/DE69629606D1/de
Application granted granted Critical
Publication of DE69629606T2 publication Critical patent/DE69629606T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D29/40—Casings; Connections of working fluid
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4266—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers 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)
DE69629606T 1995-02-10 1996-02-09 Pumpe mit einem verbesserten Durchflusskanal Expired - Fee Related DE69629606T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4635695 1995-02-10
JP04635695A JP3249332B2 (ja) 1995-02-10 1995-02-10 ポンプ組立体
JP30693795 1995-10-31
JP30693795A JP3238056B2 (ja) 1995-10-31 1995-10-31 ポンプ組立体

Publications (2)

Publication Number Publication Date
DE69629606D1 true DE69629606D1 (de) 2003-10-02
DE69629606T2 DE69629606T2 (de) 2004-06-17

Family

ID=26386470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69629606T Expired - Fee Related DE69629606T2 (de) 1995-02-10 1996-02-09 Pumpe mit einem verbesserten Durchflusskanal

Country Status (5)

Country Link
US (1) US5888053A (de)
EP (1) EP0726397B1 (de)
KR (1) KR100402063B1 (de)
CN (1) CN1075877C (de)
DE (1) DE69629606T2 (de)

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JP4493061B2 (ja) * 1999-04-22 2010-06-30 油研工業株式会社 電動機内蔵油圧ポンプ
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DE19949902A1 (de) * 1999-10-16 2001-04-19 Bayerische Motoren Werke Ag Kraftstoff-Förderpumpe für ein Kraftfahrzeug und eine mit einer Kraftstoff-Förderpumpe versehenem Kraftstoff-Fördersystem
JP2001221199A (ja) 2000-02-08 2001-08-17 Toshiba Tec Corp 電動ポンプ
US6296459B1 (en) * 2000-02-15 2001-10-02 Intex Recreation Corp. Electric air pump having multiple impellers and method
ES2599753T3 (es) 2001-02-16 2017-02-03 Resmed Limited Humidificador con estructura para impedir reflujo de líquido a través de la entrada del humidificador
AUPR369901A0 (en) * 2001-03-13 2001-04-12 Davey Products Pty Ltd Improved pump
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US8517012B2 (en) * 2001-12-10 2013-08-27 Resmed Limited Multiple stage blowers and volutes therefor
CN101450237B (zh) * 2001-12-10 2012-03-28 雷斯梅德有限公司 双头吹气机及其蜗壳
US7048520B1 (en) * 2002-04-16 2006-05-23 Mccarthy James Multistage sealed coolant pump
AU2002302984A1 (en) * 2002-04-27 2003-11-17 Lg Electronics Inc. Compressor having noise reducing apparatus
ITPD20020255A1 (it) * 2002-10-04 2004-04-05 Q & P Spa Pompa a bassa rumorosita' e raffreddata dalla medesima acqua pompata
FR2846383B1 (fr) * 2002-10-25 2005-07-08 Financ Piscine Equipement Pompe electrique pour l'entretien des piscines
DE202004021795U1 (de) 2003-06-20 2011-02-10 ResMed Ltd., Bella Vista Atemgasvorrichtung mit Befeuchter
AU2003903139A0 (en) * 2003-06-20 2003-07-03 Resmed Limited Breathable gas apparatus with humidifier
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US7462225B1 (en) 2004-09-15 2008-12-09 Wood Group Esp, Inc. Gas separator agitator assembly
JP2006101672A (ja) * 2004-09-30 2006-04-13 Hitachi Industrial Equipment Systems Co Ltd 流体流路を内蔵する回転電機
DE102004052928B4 (de) * 2004-10-29 2009-06-04 Herbert Jung Pumpe, insbesondere Dickstoffpumpe
US20060153705A1 (en) * 2004-11-10 2006-07-13 Horton W T Drive shaft for compressor
US7461692B1 (en) 2005-12-15 2008-12-09 Wood Group Esp, Inc. Multi-stage gas separator
US20090246039A1 (en) * 2006-01-09 2009-10-01 Grundfos Pumps Corporation Carrier assembly for a pump
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US20070183908A1 (en) * 2006-02-06 2007-08-09 Yoshio Yano Contactless centrifugal pump
EP2325493B1 (de) 2006-05-24 2020-03-11 ResMed Motor Technologies Inc. Kompaktes, geräuscharmes effizientes Gebläse für CPAP-Geräte
US8172523B2 (en) * 2006-10-10 2012-05-08 Grudfos Pumps Corporation Multistage pump assembly having removable cartridge
US7946810B2 (en) * 2006-10-10 2011-05-24 Grundfos Pumps Corporation Multistage pump assembly
US7740182B2 (en) 2006-11-08 2010-06-22 Grundfos Pumps Corporation Method and system for controlled release of hot water from a fixture
US7758320B2 (en) 2007-05-03 2010-07-20 Tank, Inc. Two-stage hydrodynamic pump and method
US20080286134A1 (en) * 2007-05-16 2008-11-20 Steven Regalado Submersible pumping systems and methods for deep well applications
US8365726B2 (en) 2007-06-07 2013-02-05 Resmed Limited Tub for humidifier
NZ727179A (en) 2008-06-05 2018-06-29 Resmed Ltd Treatment of respiratory conditions
TW201038828A (en) 2009-04-28 2010-11-01 Assoma Inc Permanent magnetism can pump
US8931481B2 (en) 2009-06-04 2015-01-13 Redmed Limited Flow generator chassis assembly with suspension seal
EP2348219B1 (de) * 2010-01-25 2016-06-29 Grundfos Management A/S Kältemittelpumpenaggregat
US8491277B2 (en) * 2010-02-12 2013-07-23 Ebara Corporation Submersible motor pump, motor pump, and tandem mechanical seal
US9334876B2 (en) 2011-04-12 2016-05-10 Thermo Neslab Inc. Pump casing and related apparatus and methods
CN102852805B (zh) * 2011-06-27 2015-09-02 王喜冬 硬质合金可空转可串联水陆两用矿用立泵
US8893499B2 (en) * 2011-10-20 2014-11-25 Dresser-Rand Company Advanced super-critical CO2 expander-generator
TW201319394A (zh) 2011-11-07 2013-05-16 Assoma Inc 永磁罐裝泵之防蝕外殼結構改良
CN102434497B (zh) * 2011-11-18 2013-09-04 浙江科尔泵业股份有限公司 用于离心泵泵芯轴向定位的自紧方法及其自紧装置
CN102654129A (zh) * 2012-05-19 2012-09-05 浙江大元泵业有限公司 多联轴井用泵
ITPD20120284A1 (it) * 2012-10-02 2014-04-03 Dab Pumps Spa Struttura di elettropompa centrifuga perfezionata
CN103016362B (zh) * 2012-12-19 2015-07-01 湖南大学 一种用于提升粗颗粒固液两相浆体的多级电泵
CN103195743A (zh) * 2013-04-09 2013-07-10 江苏大学 一种背对背的导流结构
EP2818722B1 (de) 2013-06-24 2019-01-09 Grundfos Holding A/S Kreiselpumpe
ES2727102T3 (es) * 2013-06-24 2019-10-14 Grundfos Holding As Bomba centrífuga
CN204992804U (zh) * 2014-07-09 2016-01-20 苹果公司 风扇装置和计算系统
CN104100538A (zh) * 2014-07-30 2014-10-15 成都华气厚普机电设备股份有限公司 一种lng管道潜液四级泵
CN105317729A (zh) * 2014-08-04 2016-02-10 威乐(中国)水泵系统有限公司 滑动轴承和多级离心泵
JP2017531129A (ja) * 2014-10-17 2017-10-19 ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータＮｕｏｖｏ Ｐｉｇｎｏｎｅ Ｓ．Ｒ．Ｌ． 背中合わせに２つのステージを配置してステージ間に環状の移送ダクトを備えた遠心ターボ機械
KR101687165B1 (ko) * 2015-04-02 2016-12-16 영신중공업 주식회사 수중펌프
CN104963872B (zh) 2015-07-27 2017-09-01 珠海格力电器股份有限公司 油分桶、螺杆压缩机及空调机组
EP3171033A1 (de) * 2015-11-19 2017-05-24 Grundfos Holding A/S Mehrstufige kreiselpumpe mit gehäuseöffnung zur wartung eines axialschub-kolbens
US10859084B2 (en) * 2016-04-26 2020-12-08 Onesubsea Ip Uk Limited Subsea process lubricated water injection pump
AU2017304220B2 (en) * 2016-07-25 2021-12-16 ResMed Pty Ltd Respiratory pressure therapy system
NO347975B1 (en) * 2016-09-20 2024-06-03 Vetco Gray Scandinavia As Improved arrangement for pressurizing of fluid
US11274679B2 (en) * 2017-02-14 2022-03-15 Danfoss A/S Oil free centrifugal compressor for use in low capacity applications
RU191329U1 (ru) * 2018-01-16 2019-08-01 Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") Вертикальный лопастной насос откачки рабочей среды из резервуара
KR102014376B1 (ko) * 2018-06-25 2019-08-26 클러스터엘앤지(주) Lng 추진 선박용 증발가스 압축기
DE102019001882A1 (de) * 2019-03-19 2020-09-24 KSB SE & Co. KGaA Mantelgehäusepumpe und Herstellungsverfahren für eine Mantelgehäusepumpe
RU2732655C1 (ru) * 2019-07-23 2020-09-21 Общество С Ограниченной Ответственностью "Нефтекамский Машиностроительный Завод" Центробежный секционный насос с двумя параллельными потоками перекачиваемой среды
WO2021060504A1 (ja) * 2019-09-26 2021-04-01 株式会社荏原製作所 立形多段ポンプ
US11248628B2 (en) * 2019-11-15 2022-02-15 Halliburton Energy Services, Inc. Electric submersible pump (ESP) gas slug mitigation system
IT202000004882A1 (it) * 2020-03-09 2021-09-09 Dab Pumps Spa Elettropompa con camicia perfezionata
US20220252070A1 (en) * 2021-02-09 2022-08-11 Onesubsea Ip Uk Limited Subsea electric fluid processing machine
IT202100020204A1 (it) 2021-07-28 2023-01-28 Pedrollo Spa Pompa centrifuga a giranti contrapposte
KR102476878B1 (ko) * 2022-08-17 2022-12-13 (주)대진정공 입형다단수중펌프

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US1823455A (en) * 1928-12-20 1931-09-15 Ingersoll Rand Co Centrifugal pump
US2814254A (en) * 1954-04-16 1957-11-26 David P Litzenberg Motor driven pumps
US3975117A (en) * 1974-09-27 1976-08-17 James Coolidge Carter Pump and motor unit with inducer at one end and centrifugal impeller at opposite end of the motor
JPS5938440B2 (ja) * 1975-01-31 1984-09-17 株式会社日立製作所 流体回転機械
FR2408739A1 (fr) * 1977-11-10 1979-06-08 Materiel Telephonique Dispositif de pompage monobloc a fonctionnement ambivalent
DE2853744A1 (de) * 1978-12-13 1980-06-26 Klein Schanzlin & Becker Ag Unterwassermotorpumpe
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JPS59162388A (ja) * 1983-03-07 1984-09-13 Hitachi Ltd 圧力制御用ポンプ
FR2647853A1 (fr) * 1989-06-05 1990-12-07 Cit Alcatel Pompe primaire seche a deux etages
IT1234126B (it) * 1989-07-05 1992-04-29 Nowax Srl Cassa statorica, particolarmente per pompa radiale centrifuga, nonche' metodo per la sua realizzazione
JP2886444B2 (ja) * 1993-10-13 1999-04-26 株式会社荏原製作所 全周流型ポンプ
IT1263654B (it) * 1992-04-14 1996-08-27 Ebara Corp Corpo pompa in lamiera metallica
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US5494403A (en) * 1992-04-14 1996-02-27 Ebara Corporation Full-circumferential flow pump
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JP2958218B2 (ja) * 1993-07-16 1999-10-06 株式会社荏原製作所 ポンプ
JPH08144997A (ja) * 1994-11-25 1996-06-04 Ebara Corp 全周流型ポンプ

Also Published As

Publication number Publication date
US5888053A (en) 1999-03-30
EP0726397A1 (de) 1996-08-14
KR100402063B1 (ko) 2004-02-05
CN1140239A (zh) 1997-01-15
CN1075877C (zh) 2001-12-05
DE69629606T2 (de) 2004-06-17
KR960031808A (ko) 1996-09-17
EP0726397B1 (de) 2003-08-27

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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