EP0982499A1 - Pompe centrifuge à entrainement magnétique - Google Patents

Pompe centrifuge à entrainement magnétique Download PDF

Info

Publication number
EP0982499A1
EP0982499A1 EP99114038A EP99114038A EP0982499A1 EP 0982499 A1 EP0982499 A1 EP 0982499A1 EP 99114038 A EP99114038 A EP 99114038A EP 99114038 A EP99114038 A EP 99114038A EP 0982499 A1 EP0982499 A1 EP 0982499A1
Authority
EP
European Patent Office
Prior art keywords
pump
bearing
sleeve
centrifugal pump
pump according
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
EP99114038A
Other languages
German (de)
English (en)
Other versions
EP0982499B1 (fr
Inventor
Peter Wirz
Thomas Folsche
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.)
CP Pumpen AG
Original Assignee
CP Pumpen 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 CP Pumpen AG filed Critical CP Pumpen AG
Publication of EP0982499A1 publication Critical patent/EP0982499A1/fr
Application granted granted Critical
Publication of EP0982499B1 publication Critical patent/EP0982499B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F04D29/046—Bearings
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/026—Details of the 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
    • F04D29/046—Bearings
    • F04D29/0465—Ceramic bearing designs

Definitions

  • the present invention relates to a magnetically coupled centrifugal pump according to the preamble of claim 1.
  • Such a centrifugal pump is for example from EP 0171515 known, in which the pump chamber with it on a stationary Pump impeller overhung by a static axis sealing canned pot is separated from the engine compartment.
  • the drive motor is equipped with a permanent magnet Connected inner rotor, which is close to the engine compartment Wall of the canned pot is arranged.
  • the pump impeller is in turn with an external rotor provided with permanent magnets connected, which is close to the pump-side wall of the canned pot is arranged. It will be a non-contact Transmission of the rotary motion of the drive motor the pump impeller is realized, in which none through shaft seals Leakage problems caused can occur.
  • Such pumps are used in particular for fluid media, which an optimal tightness resp. avoidance of Require leakages, and where no moving or. dynamic Seals are approved, such as at aggressive or toxic media.
  • these are usually included horizontally arranged pump impeller axis, being in the lower Area of the pump room separate, additional drainage connection must be provided. This drainage nozzle but must now be sealed again, with these Places so-called dead spaces can occur in which residues of the medium to be funded, i.e. a complete one Emptying cannot be achieved.
  • the pump described fulfills these additional criteria, however insufficient, especially the intake area is through the conventional use of multi-part, stationary axes and the metallic threaded bushings arranged in the pump impeller with shrinked plain bearing bush not free of dead space, resulting in inadequate cleaning and sterilization of the pump room leads.
  • the object of the present invention was now the described Fix disadvantages and such a pump too create which is particularly suitable for use for sterile Process engineering is suitable.
  • Such a pump designed according to the invention is suitable for use in fluid process engineering and in particular in the field of sterile process engineering.
  • Figure 1 shows the longitudinal section through an inventive Centrifugal pump with drive housing 1, a pump housing 2 and an attached suction flange resp. -Stutzen 3.
  • the drive housing 1 In the drive housing 1 is a permanent magnet rotor on a flywheel 4 5 arranged.
  • a canned pot 6 Between the drive housing 1 and the Pump housing 2 is a canned pot 6, which only over its pot edge 6 'with the drive housing 1 resp. the Pump housing 2 is connected and the drive chamber 1 'from the pump chamber 2 'statically sealing separates.
  • the flywheel 4 is on a shaft 7 with a not shown in the figure Drive motor, for example an electric motor, arranged.
  • a pump impeller 8 is arranged in the pump chamber 2 ' for example, permanent magnets integrated directly into the pump impeller body 9, which has an outer permanent magnet rotor form.
  • the two permanent magnet rotors 5 and 9 are spaced from each other, through the wall of the Canned pot 6 separately, arranged parallel to the pump axis 10.
  • pump blades are formed, which the medium convey to the outer area of the pump chamber 2 'and discharge through a pump outlet 11.
  • the pump impeller 8 is now on a stationary axis of the Pump bearing bracket 12 which is fixed to the pump housing 2 is connected, and its nose in the suction chamber 3 'of Intake 3 opens.
  • the bearing of the pump impeller 8 on the pump bearing bracket 12 is now according to the invention as follows in the form of a plain bearing realized.
  • Sleeve 13 applied as a bearing axis, in the present case by means of a clamping screw 14.
  • the head of the Tensioning screw 14 are sealed by means of O-rings 15.
  • the metal sleeve 17 is preferably made made of a material with high yield strength, good heat resistance, good corrosion resistance and preferably one thermal coefficient of thermal expansion, which is in the range of the thermal expansion coefficient of the bearing bush 16.
  • the Shrinking process resp. the dimensions of the metal sleeve 17th are designed so that they are at least partially plastic is deformed, preferably completely plastically deformed becomes.
  • the wall thickness of the Metal sleeve 17 can advantageously take advantage of the maximum permissible strength values, i.e. the defined plastic Deformation, the pressure set on the bearing bush 16 resp. be limited.
  • the pump impeller 8 provided with the bearing combination can then pushed onto the sleeve 13 of the pump bearing bracket 12 become a flying camp.
  • This storage is now advantageously very compact, which is very good Arrival resp. Flow conditions during the cleaning process, has no dead spaces and is in the area to be pumped Medium arranged so that even when refilling the pump room 2 'no problem due to lack of ventilation in this Area can arise.
  • FIG of the present invention is the pump bearing bracket 12 from one piece at the same time also designed as a bearing axis in the area of the bearing bush 16.
  • This embodiment is compared to the execution simplified once again according to FIG. 1 and is even easier clean and disassemble if necessary.
  • a through hole 18 is formed be, which simplifies the cleaning of the pump room and in operation the pressure equalization between the intake area 3 'and the back of the pump impeller 8 is used.
  • the pump presented here is suitable due to the simple and compact design and avoidance of dead spaces and Columns especially for applications in the field of sterile Process engineering, can of course also for everyone other areas of application.
EP99114038A 1998-08-21 1999-07-20 Pompe centrifuge à entrainement magnétique Expired - Lifetime EP0982499B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH172798 1998-08-21
CH172798 1998-08-21

Publications (2)

Publication Number Publication Date
EP0982499A1 true EP0982499A1 (fr) 2000-03-01
EP0982499B1 EP0982499B1 (fr) 2005-02-09

Family

ID=4217197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114038A Expired - Lifetime EP0982499B1 (fr) 1998-08-21 1999-07-20 Pompe centrifuge à entrainement magnétique

Country Status (4)

Country Link
US (1) US6280156B1 (fr)
EP (1) EP0982499B1 (fr)
AT (1) ATE289008T1 (fr)
DE (1) DE59911579D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1329638A1 (fr) * 2002-01-18 2003-07-23 CP Pumpen AG Pompe centrifuge à entrainement magnétique

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7128538B2 (en) * 2003-07-07 2006-10-31 Terumo Corporation Centrifugal fluid pump apparatus
ATE366876T1 (de) * 2004-11-23 2007-08-15 Ebm Papst St Georgen Gmbh & Co Anordnung zur förderung von fluiden
CN103476448B (zh) 2011-04-18 2017-09-01 瑞思迈发动机及马达技术股份有限公司 Pap系统鼓风机
TW201320547A (zh) * 2011-11-03 2013-05-16 Assoma Inc 磁驅動泵浦之結構改良
DE102011086460A1 (de) * 2011-11-16 2013-05-16 Robert Bosch Gmbh Flüssigkeitspumpe mit axialer Anlaufscheibe
EP2610498B1 (fr) * 2011-12-27 2016-11-16 Grundfos Holding A/S Groupe motopompe
US8905729B2 (en) 2011-12-30 2014-12-09 Peopleflo Manufacturing, Inc. Rotodynamic pump with electro-magnet coupling inside the impeller
US8905728B2 (en) 2011-12-30 2014-12-09 Peopleflo Manufacturing, Inc. Rotodynamic pump with permanent magnet coupling inside the impeller
DE102013008795B3 (de) * 2013-05-24 2014-08-21 Ksb Aktiengesellschaft Pumpenanordnung
DE102014223795A1 (de) * 2014-11-21 2016-05-25 Robert Bosch Gmbh Pumpe, insbesondere eine Kraftstoffhochdruckpumpe
DE102014225247A1 (de) 2014-12-09 2016-06-09 Robert Bosch Gmbh Verfahren zum Flüssigkeitsstrahlschneiden
JP6949975B2 (ja) * 2016-11-01 2021-10-13 ピーエスジー・ワールドワイド・インコーポレイテッドＰｓｇ Ｗｏｒｌｄｗｉｄｅ， Ｉｎｃ． 磁気的に結合されたシールレス遠心ポンプ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938914A (en) * 1967-11-01 1976-02-17 March Manufacturing Company Pump impeller and coupling magnet structures
JPS61152998A (ja) * 1984-12-27 1986-07-11 Toshiba Corp インペラ構造体
EP0237868A2 (fr) * 1986-03-21 1987-09-23 Ernst Hauenstein Pompe centrifuge à roue radiale ou axiale
DE3633400A1 (de) * 1986-10-01 1988-04-14 Halberg Maschbau Gmbh & Co Wellenschutzhuelse fuer gleitlager und laufflaechen von dichtungen und stopfbuchspackungen
DE4026717A1 (de) * 1990-08-24 1992-02-27 Uraca Pumpen Verdraenger- bzw. kolbenpumpe

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4871301A (en) * 1988-02-29 1989-10-03 Ingersoll-Rand Company Centrifugal pump bearing arrangement
US5261676A (en) * 1991-12-04 1993-11-16 Environamics Corporation Sealing arrangement with pressure responsive diaphragm means
EP0583003A1 (fr) * 1992-08-13 1994-02-16 Perseptive Biosystems, Inc. Système pour le dosage, le mélange et le contrôle de la composition de fluides
US5411378A (en) * 1992-09-08 1995-05-02 Sipin; Anatole J. Orbiting fluid pump
US6024542A (en) * 1994-02-14 2000-02-15 Phillips Engineering Co. Piston pump and method of reducing vapor lock
US5569383A (en) * 1994-12-15 1996-10-29 Delaware Capital Formation, Inc. Filter with axially and rotatably movable wiper
JP4016441B2 (ja) * 1996-10-02 2007-12-05 株式会社ジェイ・エム・エス ターボ式血液ポンプ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938914A (en) * 1967-11-01 1976-02-17 March Manufacturing Company Pump impeller and coupling magnet structures
JPS61152998A (ja) * 1984-12-27 1986-07-11 Toshiba Corp インペラ構造体
EP0237868A2 (fr) * 1986-03-21 1987-09-23 Ernst Hauenstein Pompe centrifuge à roue radiale ou axiale
DE3633400A1 (de) * 1986-10-01 1988-04-14 Halberg Maschbau Gmbh & Co Wellenschutzhuelse fuer gleitlager und laufflaechen von dichtungen und stopfbuchspackungen
DE4026717A1 (de) * 1990-08-24 1992-02-27 Uraca Pumpen Verdraenger- bzw. kolbenpumpe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 357 (M - 540) 2 December 1986 (1986-12-02) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1329638A1 (fr) * 2002-01-18 2003-07-23 CP Pumpen AG Pompe centrifuge à entrainement magnétique

Also Published As

Publication number Publication date
EP0982499B1 (fr) 2005-02-09
ATE289008T1 (de) 2005-02-15
DE59911579D1 (de) 2005-03-17
US6280156B1 (en) 2001-08-28

Similar Documents

Publication Publication Date Title
DE102010014800B4 (de) Gekapselte Dauermagnet-Pumpe
EP0982499B1 (fr) Pompe centrifuge à entrainement magnétique
EP2072826B1 (fr) Rotor pour un moteur à gaine
EP1801420A2 (fr) Pompe centrifuge à accouplement magnétique
EP2607710B1 (fr) Pompe centrifuge de type humide
EP2870362A1 (fr) Chemise d'entrefer à double paroi d'un entraînement magnétique, en particulier d'une pompe à entraînement magnétique
WO2007033818A1 (fr) Gaine
DE102018125031A1 (de) Pumpe, insbesondere für einen Flüssigkeitskreislauf in einem Fahrzeug
DE10140613A1 (de) Naßläuferpumpe
EP2322803B1 (fr) Pompe dotée d un embrayage magnétique
DE102009039120A1 (de) Vakuumpumpe
EP2348219B1 (fr) Pompe de liquide de refroidissement
EP0979945B1 (fr) Couplage magnétique pour pompe à engrenages
DE10240800B4 (de) Pumpe für chemisch aggressive Fördermedien
EP1329638A1 (fr) Pompe centrifuge à entrainement magnétique
EP0013942B1 (fr) Pompe centrifuge pour liquides contenant des matières solides
DE2912938A1 (de) Fluessigkeitsring-gaspumpe
EP0359136A1 (fr) Pompe centrifuge sans joint, nettoyable
EP1327781B1 (fr) Pompe centrifuge auto-amorçante
DE202009013649U1 (de) Bürstenloser Rotor für elektrische Spaltrohrpumpe
DE202004013080U1 (de) Magnetkupplungspumpe
EP1101944A2 (fr) Pompe turbo-moléculaire
EP1546563B1 (fr) Palier d'appui pour pompe centrifuge verticale
DE3322933A1 (de) Wasserpumpe als vorsatzgeraet fuer handbohrmaschinen
EP3824162B1 (fr) Carter de pompe

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

AK Designated contracting states

Kind code of ref document: A1

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: 20000831

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: IE

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: 20050209

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: 20050209

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

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

Free format text: GERMAN

REF Corresponds to:

Ref document number: 59911579

Country of ref document: DE

Date of ref document: 20050317

Kind code of ref document: P

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: KEMENY AG PATENTANWALTBUERO

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

Effective date: 20050509

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: 20050509

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: 20050509

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: 20050520

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

Effective date: 20050517

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: 20050720

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: 20050720

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: 20050731

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

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: 20051110

ET Fr: translation filed
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 NON-PAYMENT OF DUE FEES

Effective date: 20050709

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

Ref country code: FR

Payment date: 20110727

Year of fee payment: 13

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

Ref country code: GB

Payment date: 20110720

Year of fee payment: 13

Ref country code: AT

Payment date: 20110628

Year of fee payment: 13

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

Ref country code: BE

Payment date: 20110712

Year of fee payment: 13

Ref country code: IT

Payment date: 20110719

Year of fee payment: 13

Ref country code: NL

Payment date: 20110715

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59911579

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: CP PUMPEN AG

Free format text: CP PUMPEN AG#KLAERANLAGEWEG 7#4800 ZOFINGEN (CH) -TRANSFER TO- CP PUMPEN AG#KLAERANLAGEWEG 7#4800 ZOFINGEN (CH)

BERE Be: lapsed

Owner name: *CP PUMPEN A.G.

Effective date: 20120731

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20130201

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 289008

Country of ref document: AT

Kind code of ref document: T

Effective date: 20120720

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

Effective date: 20120720

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20130329

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: 20130201

Ref country code: FR

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

Effective date: 20120731

Ref country code: GB

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

Effective date: 20120720

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

Effective date: 20120720

Ref country code: BE

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

Effective date: 20120731

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: 20120720

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

Ref country code: CH

Payment date: 20180604

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: 20180710

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59911579

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL