DE69004975D1 - Pumpenlaufrad. - Google Patents

Pumpenlaufrad.

Info

Publication number
DE69004975D1
DE69004975D1 DE90101018T DE69004975T DE69004975D1 DE 69004975 D1 DE69004975 D1 DE 69004975D1 DE 90101018 T DE90101018 T DE 90101018T DE 69004975 T DE69004975 T DE 69004975T DE 69004975 D1 DE69004975 D1 DE 69004975D1
Authority
DE
Germany
Prior art keywords
boss
main shroud
polygonal
main
pump 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 - Fee Related
Application number
DE90101018T
Other languages
English (en)
Other versions
DE69004975T2 (de
Inventor
Kenichi Kajiwara
Kikuichi Mori
Hideo Ikeda
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
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of DE69004975D1 publication Critical patent/DE69004975D1/de
Application granted granted Critical
Publication of DE69004975T2 publication Critical patent/DE69004975T2/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
    • F04D29/18—Rotors
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • F04D29/2227—Construction and assembly for special materials
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/40—Clamping arrangements where clamping parts are received in recesses of elements to be connected
    • F16B2200/403—Threaded clamping parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7098—Non-circular rod section is joint component

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Saccharide Compounds (AREA)
DE69004975T 1989-01-19 1990-01-18 Pumpenlaufrad. Expired - Fee Related DE69004975T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP861989 1989-01-19

Publications (2)

Publication Number Publication Date
DE69004975D1 true DE69004975D1 (de) 1994-01-20
DE69004975T2 DE69004975T2 (de) 1994-06-09

Family

ID=11697960

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69004975T Expired - Fee Related DE69004975T2 (de) 1989-01-19 1990-01-18 Pumpenlaufrad.
DE9000532U Expired - Lifetime DE9000532U1 (de) 1989-01-19 1990-01-18 Pumpenlaufrad
DE4001379A Expired - Fee Related DE4001379C2 (de) 1989-01-19 1990-01-18 Pumpenlaufrad

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE9000532U Expired - Lifetime DE9000532U1 (de) 1989-01-19 1990-01-18 Pumpenlaufrad
DE4001379A Expired - Fee Related DE4001379C2 (de) 1989-01-19 1990-01-18 Pumpenlaufrad

Country Status (9)

Country Link
US (1) US4986736A (de)
EP (1) EP0379197B1 (de)
JP (1) JPH02277998A (de)
KR (1) KR970010513B1 (de)
AT (1) ATE98341T1 (de)
DE (3) DE69004975T2 (de)
DK (1) DK0379197T3 (de)
ES (1) ES2048868T3 (de)
IT (2) IT223986Z2 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809487B2 (ja) * 1989-07-05 1998-10-08 株式会社荏原製作所 遠心ポンプケーシング
DE4131088A1 (de) * 1991-09-18 1993-03-25 Siemens Ag Verfahren und einrichtung zum messen der konzentration eines gases im rauchgas
JPH0968195A (ja) * 1995-08-31 1997-03-11 Ebara Corp キャンドモータポンプ
US20070253807A1 (en) 2006-04-28 2007-11-01 Cooper Paul V Gas-transfer foot
US7470392B2 (en) * 2003-07-14 2008-12-30 Cooper Paul V Molten metal pump components
US20050013715A1 (en) * 2003-07-14 2005-01-20 Cooper Paul V. System for releasing gas into molten metal
US7402276B2 (en) 2003-07-14 2008-07-22 Cooper Paul V Pump with rotating inlet
DE50309209D1 (de) * 2002-08-02 2008-04-03 Abb Turbo Systems Ag Verfahren und vorrichtung zum einspannen rotationssymmetrischer körper
US7906068B2 (en) 2003-07-14 2011-03-15 Cooper Paul V Support post system for molten metal pump
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US9643247B2 (en) 2007-06-21 2017-05-09 Molten Metal Equipment Innovations, Llc Molten metal transfer and degassing system
US8613884B2 (en) 2007-06-21 2013-12-24 Paul V. Cooper Launder transfer insert and system
US8337746B2 (en) 2007-06-21 2012-12-25 Cooper Paul V Transferring molten metal from one structure to another
US8366993B2 (en) 2007-06-21 2013-02-05 Cooper Paul V System and method for degassing molten metal
US9410744B2 (en) 2010-05-12 2016-08-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
US9156087B2 (en) 2007-06-21 2015-10-13 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
US8524146B2 (en) 2009-08-07 2013-09-03 Paul V. Cooper Rotary degassers and components therefor
US8535603B2 (en) 2009-08-07 2013-09-17 Paul V. Cooper Rotary degasser and rotor therefor
US10428821B2 (en) * 2009-08-07 2019-10-01 Molten Metal Equipment Innovations, Llc Quick submergence molten metal pump
US8444911B2 (en) 2009-08-07 2013-05-21 Paul V. Cooper Shaft and post tensioning device
US8449814B2 (en) * 2009-08-07 2013-05-28 Paul V. Cooper Systems and methods for melting scrap metal
US8714914B2 (en) 2009-09-08 2014-05-06 Paul V. Cooper Molten metal pump filter
US9108244B2 (en) 2009-09-09 2015-08-18 Paul V. Cooper Immersion heater for molten metal
US8807918B2 (en) * 2010-06-18 2014-08-19 Hamilton Sundstrand Corporation Rotating catcher for impeller containment
JP5606358B2 (ja) 2011-02-24 2014-10-15 三菱重工業株式会社 インペラ及びこれを備えたロータ並びにインペラの製造方法
JP2013047479A (ja) 2011-08-29 2013-03-07 Mitsubishi Heavy Ind Ltd インペラ及びこれを備えた回転機械並びにインペラの製造方法
CN103122871A (zh) * 2011-11-18 2013-05-29 镇江江大泵业科技有限公司 叶轮螺母防反转松脱技术
JP5907723B2 (ja) * 2011-12-26 2016-04-26 三菱重工業株式会社 回転機械の製造方法
US9903383B2 (en) 2013-03-13 2018-02-27 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened top
US9011761B2 (en) 2013-03-14 2015-04-21 Paul V. Cooper Ladle with transfer conduit
US10052688B2 (en) 2013-03-15 2018-08-21 Molten Metal Equipment Innovations, Llc Transfer pump launder system
US10138892B2 (en) 2014-07-02 2018-11-27 Molten Metal Equipment Innovations, Llc Rotor and rotor shaft for molten metal
WO2016060221A1 (en) * 2014-10-14 2016-04-21 Ebara Corporation Impeller assembly for centrifugal pumps
US10947980B2 (en) 2015-02-02 2021-03-16 Molten Metal Equipment Innovations, Llc Molten metal rotor with hardened blade tips
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
US10267314B2 (en) 2016-01-13 2019-04-23 Molten Metal Equipment Innovations, Llc Tensioned support shaft and other molten metal devices
US11149747B2 (en) 2017-11-17 2021-10-19 Molten Metal Equipment Innovations, Llc Tensioned support post and other molten metal devices
US10865802B2 (en) 2018-05-09 2020-12-15 Philip Wessels Double-sided single impeller with dual intake pump
KR102125868B1 (ko) * 2018-10-15 2020-06-23 주식회사 코아비스 전동식 워터펌프용 임펠러
JP7292858B2 (ja) * 2018-11-15 2023-06-19 株式会社荏原製作所 羽根車、該羽根車を備えたポンプ、および該羽根車の製造方法
US11471938B2 (en) 2019-05-17 2022-10-18 Molten Metal Equipment Innovations, Llc Smart molten metal pump
US11873845B2 (en) 2021-05-28 2024-01-16 Molten Metal Equipment Innovations, Llc Molten metal transfer device
CN114321001B (zh) * 2022-03-15 2022-06-10 四川川工泵业有限公司 一种旋喷泵用的叶轮

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE462853C (de) * 1927-11-05 1928-07-19 Lorenzen G M B H C Laeufer fuer Kreiselverdichter, dessen Deckscheibe gegen die freien Kanten der mit der Laeuferscheibe aus einem Stueck gearbeiteten Schaufeln in axialer Richtung gepresstwird
US3019039A (en) * 1956-04-09 1962-01-30 Fairchild Stratos Corp Means for mounting a body on a rotating shaft
US3213794A (en) * 1962-02-02 1965-10-26 Nash Engineering Co Centrifugal pump with gas separation means
DE2303608B2 (de) * 1973-01-25 1981-02-12 Grundfos A/S, Bjerringbro (Daenemark) Wellenlagerung, insbesondere für eine Kreiselpumpe
US4080079A (en) * 1977-01-06 1978-03-21 Visi-Trol Engineering Company Universal joint
US4285305A (en) * 1979-11-16 1981-08-25 Tecumseh Products Company Keyed adapter sleeve
US4337747A (en) * 1980-02-08 1982-07-06 Lucas Industries Limited Fuel injection pumping apparatus
JPS5752397A (en) * 1980-08-08 1982-03-27 Brother Ind Ltd Stop control system of pulse motor
JPS5892497U (ja) * 1981-12-16 1983-06-22 株式会社日立製作所 ポンプの鋼板製羽根車
JPS58144697A (ja) * 1982-02-22 1983-08-29 Hitachi Ltd 鋼板製ポンプ羽根車
JPS61123701A (ja) * 1984-11-21 1986-06-11 Toyota Motor Corp セラミツクス製タ−ビンロ−タ
DE3517499A1 (de) * 1985-05-15 1986-11-20 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Laufrad
FR2586987B1 (fr) * 1985-09-06 1990-06-01 Peugeot Cycles Sous-ensemble telescopique pour colonne de direction
JPH0247279Y2 (de) * 1986-01-08 1990-12-12
US4720242A (en) * 1987-03-23 1988-01-19 Lowara, S.P.A. Centrifugal pump impeller
JPS63259194A (ja) * 1987-04-15 1988-10-26 Hitachi Ltd 鋼板製羽根車
US4925369A (en) * 1987-10-28 1990-05-15 Brunswick Corporation Easily removed marine propeller
US4890980A (en) * 1988-08-08 1990-01-02 Ingersoll-Rand Company Centrifugal pump

Also Published As

Publication number Publication date
EP0379197A3 (en) 1990-09-26
IT223986Z2 (it) 1995-10-05
DK0379197T3 (da) 1994-04-11
IT1239538B (it) 1993-11-05
IT9067034A1 (it) 1991-07-19
JPH02277998A (ja) 1990-11-14
ATE98341T1 (de) 1993-12-15
IT9052829U1 (it) 1990-07-20
DE4001379A1 (de) 1990-07-26
EP0379197B1 (de) 1993-12-08
EP0379197A2 (de) 1990-07-25
ES2048868T3 (es) 1994-04-01
US4986736A (en) 1991-01-22
KR900011995A (ko) 1990-08-02
KR970010513B1 (ko) 1997-06-26
DE4001379C2 (de) 2003-05-15
DE69004975T2 (de) 1994-06-09
IT9052829V0 (it) 1990-01-19
IT9067034A0 (it) 1990-01-19
DE9000532U1 (de) 1990-04-19

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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