DE4023756C1 - - Google Patents

Info

Publication number
DE4023756C1
DE4023756C1 DE4023756A DE4023756A DE4023756C1 DE 4023756 C1 DE4023756 C1 DE 4023756C1 DE 4023756 A DE4023756 A DE 4023756A DE 4023756 A DE4023756 A DE 4023756A DE 4023756 C1 DE4023756 C1 DE 4023756C1
Authority
DE
Germany
Prior art keywords
bearing
motor
shaft
unit according
pump unit
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 - Lifetime
Application number
DE4023756A
Other languages
German (de)
English (en)
Inventor
Niels Due Bjerringbro Dk Jensen
Kurt Frank Middelfahrt Dk Nielsen
Bjaerne Dybkjoer Boegeskov Dk Lauridsen
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.)
Grundfos AS
Original Assignee
Grundfos International AS
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 Grundfos International AS filed Critical Grundfos International AS
Priority to DE4023756A priority Critical patent/DE4023756C1/de
Priority to FR9109375A priority patent/FR2665222B1/fr
Priority to ITMI912049A priority patent/IT1251099B/it
Priority to GB9116032A priority patent/GB2247922B/en
Application granted granted Critical
Publication of DE4023756C1 publication Critical patent/DE4023756C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • 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
    • F04D13/0633—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
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)
DE4023756A 1990-07-26 1990-07-26 Expired - Lifetime DE4023756C1 (pl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE4023756A DE4023756C1 (pl) 1990-07-26 1990-07-26
FR9109375A FR2665222B1 (fr) 1990-07-26 1991-07-24 Groupe moto-pompe.
ITMI912049A IT1251099B (it) 1990-07-26 1991-07-24 Gruppo motopompa
GB9116032A GB2247922B (en) 1990-07-26 1991-07-25 Motor pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4023756A DE4023756C1 (pl) 1990-07-26 1990-07-26

Publications (1)

Publication Number Publication Date
DE4023756C1 true DE4023756C1 (pl) 1991-12-19

Family

ID=6411056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4023756A Expired - Lifetime DE4023756C1 (pl) 1990-07-26 1990-07-26

Country Status (4)

Country Link
DE (1) DE4023756C1 (pl)
FR (1) FR2665222B1 (pl)
GB (1) GB2247922B (pl)
IT (1) IT1251099B (pl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304149C1 (de) * 1993-02-12 1994-09-08 Grundfos As Selbstansaugendes Motorpumpenaggregat
FR2803451A1 (fr) * 1999-12-30 2001-07-06 Crouzet Automatismes Moteur a rotor etanche avec roulement a billes
EP1281870A2 (de) * 2001-08-02 2003-02-05 WILO GmbH Spaltrohrmotorpumpenaggregat
US20230050731A1 (en) * 2021-08-12 2023-02-16 Dr. Ing. H.C. F. Porsche Aktiengesselschaft Electric machine and motor vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3667091B1 (en) * 2018-12-13 2021-08-18 Grundfos Holding A/S Pump assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153253B (de) * 1956-08-28 1963-08-22 Emerjy Sarl Elektropumpe fuer Zentralheizungen od. dgl. mit Spaltrohr
DE2032898A1 (de) * 1969-09-02 1971-04-08 Julien & Mege Umwalzeinnchtung fur eine Zentralhei zung
DE2100345A1 (de) * 1970-12-10 1972-08-10 Bieri Pumpenbau Ag Pumpen- und Spaltrohrrnotoraggregat
DE3609311A1 (de) * 1986-03-20 1987-10-01 Homa Pumpenfabrik Gmbh Kreiselpumpe
DE3803774A1 (de) * 1988-02-09 1989-08-17 Grundfos Int Pumpenaggregat fuer heizungsanlagen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079289A (en) * 1965-04-12 1967-08-16 Porter Co Inc H K Electric motor construction
US3478689A (en) * 1967-08-02 1969-11-18 Borg Warner Circulating pump
GB1194228A (en) * 1967-08-04 1970-06-10 Ass Elect Ind Improvements relating to Pump Assemblies.
US3520642A (en) * 1968-10-29 1970-07-14 Process Ind Inc Motor driven pump
US3614261A (en) * 1970-01-09 1971-10-19 Imc Magnetics Corp Bearing seal means for an electrically driven fan
CH563530A5 (pl) * 1973-03-22 1975-06-30 Bbc Sulzer Turbomaschinen
GB2200166B (en) * 1986-12-24 1991-08-14 Flux Geraete Gmbh Pump and method for the assembly thereof
DE3863293D1 (de) * 1987-01-21 1991-07-25 Hitachi Ltd Mechanische pumpenanordnung.
US5149253A (en) * 1989-06-05 1992-09-22 Ebara Corporation Magnet pumps

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153253B (de) * 1956-08-28 1963-08-22 Emerjy Sarl Elektropumpe fuer Zentralheizungen od. dgl. mit Spaltrohr
DE2032898A1 (de) * 1969-09-02 1971-04-08 Julien & Mege Umwalzeinnchtung fur eine Zentralhei zung
DE2100345A1 (de) * 1970-12-10 1972-08-10 Bieri Pumpenbau Ag Pumpen- und Spaltrohrrnotoraggregat
DE3609311A1 (de) * 1986-03-20 1987-10-01 Homa Pumpenfabrik Gmbh Kreiselpumpe
DE3803774A1 (de) * 1988-02-09 1989-08-17 Grundfos Int Pumpenaggregat fuer heizungsanlagen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304149C1 (de) * 1993-02-12 1994-09-08 Grundfos As Selbstansaugendes Motorpumpenaggregat
FR2803451A1 (fr) * 1999-12-30 2001-07-06 Crouzet Automatismes Moteur a rotor etanche avec roulement a billes
WO2001050576A1 (fr) * 1999-12-30 2001-07-12 Crouzet Automatismes Moteur a rotor etanche avec roulement a billes
EP1281870A2 (de) * 2001-08-02 2003-02-05 WILO GmbH Spaltrohrmotorpumpenaggregat
EP1281870A3 (de) * 2001-08-02 2004-01-07 WILO GmbH Spaltrohrmotorpumpenaggregat
US20230050731A1 (en) * 2021-08-12 2023-02-16 Dr. Ing. H.C. F. Porsche Aktiengesselschaft Electric machine and motor vehicle

Also Published As

Publication number Publication date
GB2247922A (en) 1992-03-18
GB9116032D0 (en) 1991-09-11
ITMI912049A0 (it) 1991-07-24
FR2665222A1 (fr) 1992-01-31
IT1251099B (it) 1995-05-04
GB2247922B (en) 1994-05-04
FR2665222B1 (fr) 1994-11-10
ITMI912049A1 (it) 1992-01-27

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee