EP0449861A1 - Rotor de pompe centrifuge a vitesse specifique reduite. - Google Patents

Rotor de pompe centrifuge a vitesse specifique reduite.

Info

Publication number
EP0449861A1
EP0449861A1 EP90900104A EP90900104A EP0449861A1 EP 0449861 A1 EP0449861 A1 EP 0449861A1 EP 90900104 A EP90900104 A EP 90900104A EP 90900104 A EP90900104 A EP 90900104A EP 0449861 A1 EP0449861 A1 EP 0449861A1
Authority
EP
European Patent Office
Prior art keywords
impeller
blade
channels
centrifugal pump
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.)
Granted
Application number
EP90900104A
Other languages
German (de)
English (en)
Other versions
EP0449861B1 (fr
Inventor
Peter Hergt
Alexander Nicklas
Salvatore Scianna
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.)
KSB AG
Original Assignee
KSB AG
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 KSB AG filed Critical KSB AG
Priority to AT90900104T priority Critical patent/ATE89646T1/de
Publication of EP0449861A1 publication Critical patent/EP0449861A1/fr
Application granted granted Critical
Publication of EP0449861B1 publication Critical patent/EP0449861B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2238Special flow patterns
    • F04D29/2255Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2222Construction and assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Un rotor de pompe centrifuge comprend des canaux (5) d'aubes qui présentent des ouvertures en forme de fentes (6) ménagées dans les disques de recouvrement (3, 7) du rotor, dans la région de son diamètre extérieur.
EP90900104A 1988-12-23 1989-12-12 Rotor de pompe centrifuge a vitesse specifique reduite Expired - Lifetime EP0449861B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90900104T ATE89646T1 (de) 1988-12-23 1989-12-12 Kreiselpumpenlaufrad geringer spezifischer drehzahl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3843428 1988-12-23
DE3843428A DE3843428C2 (de) 1988-12-23 1988-12-23 Kreiselpumpenlaufrad geringer spezifischer Drehzahl

Publications (2)

Publication Number Publication Date
EP0449861A1 true EP0449861A1 (fr) 1991-10-09
EP0449861B1 EP0449861B1 (fr) 1993-05-19

Family

ID=6369968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90900104A Expired - Lifetime EP0449861B1 (fr) 1988-12-23 1989-12-12 Rotor de pompe centrifuge a vitesse specifique reduite

Country Status (4)

Country Link
US (1) US5257910A (fr)
EP (1) EP0449861B1 (fr)
DE (2) DE3843428C2 (fr)
WO (1) WO1990007650A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5290236A (en) * 1991-09-25 1994-03-01 Baxter International Inc. Low priming volume centrifugal blood pump
DE102006040130A1 (de) * 2006-08-26 2008-02-28 Ksb Aktiengesellschaft Förderpumpe
DE102007020218A1 (de) * 2007-04-28 2008-10-30 Ksb Aktiengesellschaft Förderpumpe
US8221070B2 (en) * 2009-03-25 2012-07-17 Woodward, Inc. Centrifugal impeller with controlled force balance
PL216284B1 (pl) * 2010-03-22 2014-03-31 Fundacja Rozwoju Kardiochirurgii Im Prof Zbigniewa Religi Pompa odśrodkowa jednostrumieniowa
WO2014137206A1 (fr) * 2013-03-07 2014-09-12 Chaushevski Nikola Pompe à chambre rotative
CN106537195B (zh) * 2014-07-24 2019-12-06 日产化学工业株式会社 滤色器下层膜形成用树脂组合物
US9777741B2 (en) 2014-11-20 2017-10-03 Baker Hughes Incorporated Nozzle-shaped slots in impeller vanes
CN113785128B (zh) * 2020-04-10 2023-08-01 星光化工机株式会社 磁悬浮式泵
CN114483641B (zh) * 2022-02-15 2023-06-16 上海工业泵制造有限公司 一种叶轮及应用该叶轮的水泵

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA644854A (en) * 1962-07-17 Patay Pumps And Turbines Limited Rotary tube pumps, turbines and the like
NL102212C (fr) *
DE1249693B (fr) *
FR529613A (fr) * 1920-12-21 1921-12-02 Pompe centrifuge multitubulaire
US1986836A (en) * 1933-01-09 1935-01-08 Fairbanks Morse & Co Method of making centrifugal pumps
US2074650A (en) * 1934-01-24 1937-03-23 William S Holdaway Centrifugal pump
US1988875A (en) * 1934-03-19 1935-01-22 Saborio Carlos Wet vacuum pump and rotor therefor
GB575346A (en) * 1944-03-01 1946-02-14 Aluminium Plant & Vessel Co Improvements in or relating to centrifugal pumps
DE804064C (de) * 1944-03-01 1951-04-16 Apv Co Ltd Fluegelrad fuer Zentrifugalpumpen, insbesondere zum Foerdern von Milch
US2684062A (en) * 1950-11-18 1954-07-20 Rose David Centrifugal projector
US2956503A (en) * 1956-02-15 1960-10-18 Neidl Georg Rotary pumps, particularly for delivery of sewage, thick slurries and the like liquids
US3107625A (en) * 1961-09-01 1963-10-22 Walter E Amberg Centrifugal liquid pump
DE1453723A1 (de) * 1963-07-19 1969-07-31 Barske Ulrich Max Kreiselpumpe,insbesondere fuer kleine bis mittlere Foerderstroeme
SU620674A1 (ru) * 1976-09-21 1978-08-25 Предприятие П/Я Р-6603 Центробежное колесо
SU928080A1 (ru) * 1980-09-25 1982-05-15 Специальное Конструкторско-Технологическое Бюро Герметичных И Скважинных Насосов Рабочее колесо центробежного насоса
SU1052053A1 (ru) * 1982-04-29 1984-10-30 Uskov G I Центробежный насос
IT1187933B (it) * 1986-02-25 1987-12-23 Gilardini Spa Pompa rotativa per liquidi

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9007650A1 *

Also Published As

Publication number Publication date
EP0449861B1 (fr) 1993-05-19
DE3843428C2 (de) 1993-12-09
DE58904451D1 (de) 1993-06-24
DE3843428A1 (de) 1990-07-05
WO1990007650A1 (fr) 1990-07-12
US5257910A (en) 1993-11-02

Similar Documents

Publication Publication Date Title
DE10327574B4 (de) Laufrad für eine Kraftstoffpumpe
DE1817430A1 (de) Regenerativkompressor
DE2551614A1 (de) Axial kurzer axialventilator
DE2744366A1 (de) Laufrad fuer einen radialen turboverdichter
DE4306689A1 (de) Radialverdichter mit einem strömungsstabilisierenden Gehäuse
DE10327573B4 (de) Einstufige Strömungspumpe
EP0752066B1 (fr) Dispositif pour reduire le bruit de pompes centrifuges
DE102004043036A1 (de) Strömungsarbeitsmaschine mit Fluidentnahme
DE2331614A1 (de) Seitenkanal-geblaese
DE3843428C2 (de) Kreiselpumpenlaufrad geringer spezifischer Drehzahl
DE1453730B2 (de) Radialkreiselpumpenlaufrad
DE10220643A1 (de) Flügelrad für eine Flüssigkeitspumpe
EP0750119B1 (fr) Rouet de pompe
DE4143466C2 (de) Steuerscheibe für Flügelzellenpumpe
DE3844158A1 (de) Kaskadenpumpenmechanismus
DE10314425B4 (de) Leitvorrichtung für ein in Blechbauweise ausgeführtes Gehäuse einer Kreiselpumpe
EP0133306B1 (fr) Rotor de turbine radiale
DE2434397C2 (de) Radialturbine
DE3028775C2 (fr)
DE4109149C2 (de) Steuerscheibe für Flügelzellenpumpe
EP0733808B1 (fr) Pompe centrifuge
EP1538369A1 (fr) Contour de guidage d'huile dans un carter de transmission
DE2327125B2 (de) Axialventilator mit gehaeuse
DE4101868A1 (de) Laufrad fuer kreiselpumpen
EP3592985A1 (fr) Ensemble de pièces et procédé de fabrication d'un ventilateur radial

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19901227

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19921105

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 89646

Country of ref document: AT

Date of ref document: 19930615

Kind code of ref document: T

REF Corresponds to:

Ref document number: 58904451

Country of ref document: DE

Date of ref document: 19930624

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO MILANO S.P.A.

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930802

EPTA Lu: last paid annual fee
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 90900104.2

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20021125

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20021219

Year of fee payment: 14

Ref country code: BE

Payment date: 20021219

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20021220

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20021223

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20021230

Year of fee payment: 14

Ref country code: LU

Payment date: 20021230

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031212

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031212

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031212

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031213

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031231

BERE Be: lapsed

Owner name: *KSB A.G.

Effective date: 20031231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040701

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20031212

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20040701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051212

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20081211

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20081209

Year of fee payment: 20