EP1092877A3 - Pompe équilibrée avec aspiration et refoulement co-axiaux - Google Patents

Pompe équilibrée avec aspiration et refoulement co-axiaux Download PDF

Info

Publication number
EP1092877A3
EP1092877A3 EP00203553A EP00203553A EP1092877A3 EP 1092877 A3 EP1092877 A3 EP 1092877A3 EP 00203553 A EP00203553 A EP 00203553A EP 00203553 A EP00203553 A EP 00203553A EP 1092877 A3 EP1092877 A3 EP 1092877A3
Authority
EP
European Patent Office
Prior art keywords
shell
same axis
delivery
suction
wear rings
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
EP00203553A
Other languages
German (de)
English (en)
Other versions
EP1092877A2 (fr
EP1092877B1 (fr
Inventor
Edoardo Garibotti
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.)
Tmp SpA Termomeccanica Pompe
Original Assignee
Tmp SpA Termomeccanica Pompe
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 Tmp SpA Termomeccanica Pompe filed Critical Tmp SpA Termomeccanica Pompe
Publication of EP1092877A2 publication Critical patent/EP1092877A2/fr
Publication of EP1092877A3 publication Critical patent/EP1092877A3/fr
Application granted granted Critical
Publication of EP1092877B1 publication Critical patent/EP1092877B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

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)
  • External Artificial Organs (AREA)
EP00203553A 1999-10-15 2000-10-12 Pompe équilibrée avec aspiration et refoulement co-axiaux Expired - Lifetime EP1092877B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI990626U 1999-10-15
IT1999MI000626U ITMI990626U1 (it) 1999-10-15 1999-10-15 Pompa bilanciata con aspirazione e mandata sullo stesso asse

Publications (3)

Publication Number Publication Date
EP1092877A2 EP1092877A2 (fr) 2001-04-18
EP1092877A3 true EP1092877A3 (fr) 2001-05-16
EP1092877B1 EP1092877B1 (fr) 2006-03-08

Family

ID=11382460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00203553A Expired - Lifetime EP1092877B1 (fr) 1999-10-15 2000-10-12 Pompe équilibrée avec aspiration et refoulement co-axiaux

Country Status (4)

Country Link
EP (1) EP1092877B1 (fr)
AT (1) ATE319937T1 (fr)
DE (1) DE60026446T2 (fr)
IT (1) ITMI990626U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2911166B1 (fr) * 2007-01-09 2012-08-03 Siebec Soc Pompe a entrainement magnetique et etancheite coulissante
EP3171033A1 (fr) * 2015-11-19 2017-05-24 Grundfos Holding A/S Pompe centrifuge à étages multiples avec ouverture de carter pour la maintenance d'un piston d'équilibrage de poussée axiale
DE102016210516A1 (de) * 2016-06-14 2017-12-14 Mahle International Gmbh Flüssigkeitspumpe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2250306A (en) * 1939-05-15 1941-07-22 Bour Harry E La Vertical pump and mounting
US4242039A (en) * 1977-11-22 1980-12-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Pump impeller seals with spiral grooves
EP0971133A1 (fr) * 1998-07-09 2000-01-12 Termomeccanica S.p.A. Pompe avec passages d'aspiration et de refoulement le long du même axe et facile à démonter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2250306A (en) * 1939-05-15 1941-07-22 Bour Harry E La Vertical pump and mounting
US4242039A (en) * 1977-11-22 1980-12-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Pump impeller seals with spiral grooves
EP0971133A1 (fr) * 1998-07-09 2000-01-12 Termomeccanica S.p.A. Pompe avec passages d'aspiration et de refoulement le long du même axe et facile à démonter

Also Published As

Publication number Publication date
DE60026446D1 (de) 2006-05-04
EP1092877A2 (fr) 2001-04-18
ITMI990626U1 (it) 2001-04-15
ITMI990626V0 (it) 1999-10-15
DE60026446T2 (de) 2006-11-09
EP1092877B1 (fr) 2006-03-08
ATE319937T1 (de) 2006-03-15

Similar Documents

Publication Publication Date Title
AU1554000A (en) Blood pump without bearing
DE602005019219D1 (de) Zentrifugalblutpumpe mit hydrodynamischer Lagerung
CA2015777A1 (fr) Pompe centrifuge
EP0834326A3 (fr) Turbopompe à sang
CA2448486A1 (fr) Pompe modulaire submersible
IT1243345B (it) Pompa centrifuga per liquido, in particolare sangue in circolazione extracorporea
ZA961552B (en) Centrifugal pump
ATE199765T1 (de) Seitenströmungspumpe
CA2150293A1 (fr) Pompe centrifuge
AU4936790A (en) Centrifugal pump
EP0959277A3 (fr) Dispositif d'étanchéité
EP1126181A3 (fr) Pompe miniaturisée
DE69518815D1 (de) Seitenströmungspumpe
EP1126180A3 (fr) Roue d'une pompe centrifuge pour lave-vaisselle
ITMI990626V0 (it) Pompa bilanciata con aspirazione e mandata sullo stesso asse
EP1039138A3 (fr) Pompe à vide avec moteur à rotor extérieur
AU645341B2 (en) Clog resistant pump
ATE173060T1 (de) Seitenströmungspumpe
ATE205915T1 (de) Kreiselpumpe mit radialdichtring
EP0984143A3 (fr) Pompe rotative
EP1411261A3 (fr) Accouplement fluidique
KR19990016000U (ko) 원심펌프의 회전축
RU96122314A (ru) Центробежный насос
ATE295481T1 (de) Kreiselpumpe
EP1247994A3 (fr) Pompe centrifuge avec réglage de jeu axial et radial sans démonter le boítier

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

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20011017

AKX Designation fees paid

Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

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 CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;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: 20060308

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60026446

Country of ref document: DE

Date of ref document: 20060504

Kind code of ref document: P

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

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060608

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060608

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

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060619

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: AMMANN PATENTANWAELTE AG BERN

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

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060808

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

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

Effective date: 20061012

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

Ref country code: MC

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

Effective date: 20061031

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

Effective date: 20061211

EN Fr: translation not filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070309

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060609

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

Ref country code: LU

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

Effective date: 20061012

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

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060308

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

Ref country code: CH

Payment date: 20091014

Year of fee payment: 10

Ref country code: DE

Payment date: 20091008

Year of fee payment: 10

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

Ref country code: GB

Payment date: 20091007

Year of fee payment: 10

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20101012

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

Ref country code: LI

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

Effective date: 20101031

Ref country code: CH

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

Effective date: 20101031

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60026446

Country of ref document: DE

Effective date: 20110502

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

Ref country code: GB

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

Effective date: 20101012

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

Ref country code: DE

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

Effective date: 20110502