EP0522324B2 - Förderaggregat aus einer Strömungsarbeitsmaschine und aus einem Antriebsmotor - Google Patents

Förderaggregat aus einer Strömungsarbeitsmaschine und aus einem Antriebsmotor Download PDF

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Publication number
EP0522324B2
EP0522324B2 EP92110180A EP92110180A EP0522324B2 EP 0522324 B2 EP0522324 B2 EP 0522324B2 EP 92110180 A EP92110180 A EP 92110180A EP 92110180 A EP92110180 A EP 92110180A EP 0522324 B2 EP0522324 B2 EP 0522324B2
Authority
EP
European Patent Office
Prior art keywords
housing
bayonet
annular body
drive motor
flow machine
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
EP92110180A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0522324B1 (de
EP0522324A1 (de
Inventor
Niels Due Jensen
Kurt Frank Nielsen
Kurt B. Espensen
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 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6435635&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0522324(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grundfos AS filed Critical Grundfos AS
Publication of EP0522324A1 publication Critical patent/EP0522324A1/de
Application granted granted Critical
Publication of EP0522324B1 publication Critical patent/EP0522324B1/de
Publication of EP0522324B2 publication Critical patent/EP0522324B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers 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
    • 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
    • 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
    • F04D29/086—Sealings 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
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/33—Retaining components in desired mutual position with a bayonet coupling

Definitions

  • the invention is based on a conveyor unit according to the preamble of claims 1 and 2.
  • Such a delivery unit is in DE-PS 32 20 448.
  • DE-PS 36 09 311 is a similar as Submersible delivery unit described.
  • the end shield for the front Shaft bearings of the drive motor on the one hand a cover and on the other hand with a outer unit housing often screwed.
  • the encapsulated stator of the drive motor for Formation of a flow annulus with radial Distance surrounds.
  • the end cover serves as Partition to the pump room, has a flow passage and at the same time forms a peripheral wall for the connected centrifugal pump out. Two further covers form the outer end the centrifugal pump, all of which are mentioned Cover by a variety of screws with the Unit housing are connected.
  • DE-A-19 59 087 is an electric drive motor and centrifugal pump described existing delivery unit, at which the housing of the two machines using a simple and conventional bayonet training releasably connected are.
  • the unit according to this document is in the pump Motor flange a stationary end shield for the front Motor shaft bearings are provided, the motor shaft in the pump housing protrudes to support the pump impeller there.
  • At this unit must be at least a cumbersome one and time-consuming disassembly and reassembly of the running gear from the engine interior at least on the engine side with the help of Tools are done when an internal cleaning of the whole Conveyor unit including the running machine is required. Only the two housing parts of the units are twisted easy to disassemble and reassemble. A non-specialist is therefore responsible for performing the engine side internal aggregate cleaning faced considerable problems. The risk of improper dismantling and reassembly the unit is therefore particularly large.
  • the object of the invention is Conveyor unit of the type mentioned above to improve that the conveyor unit for maintenance purposes even by untrained staff disassembled without screwdriver and again can be mounted and that the conveyor unit structurally simplified and with lower manufacturing costs can be produced.
  • the conveyor unit according to the invention is due of its bayonet connections to each other parts of the end shield to be connected, the housing of the drive motor and the pump or a fan without using a tool disassembled by untrained users and reassembled. There can be none Screw parts are lost and a wrong one. Reassembly is also excluded.
  • the invention is particularly advantageous in centrifugal pumps, especially with fountain and Drainage pumps, can be used. But also fans and blowers can replace the centrifugal pumps be provided.
  • FIG 1 is a generally designated 1 Conveying unit shown, which results from a fluid flow machine in the form of a centrifugal pump 2 and an electric drive motor 3 composed.
  • the pump 2 consists of a housing 4 and one or more 2 Wheels 5.
  • the wheel or wheels are on one Fixed shaft 6 of motor 3, the shaft via a front slide bearing 7 in a bearing plate 8 is held, which in turn partially in one Canned can pot 9 of the motor 3 engages.
  • the rear The end of the shaft 6 is in a known manner in one Plain bearings mounted, this bearing on the canned pot is held (not shown).
  • the canned pot 9 has a radial Flange 10, the outer circumferential end with a crank 11 and provided with a housing 12 aes electric motor 3 is connected.
  • a radial Flange 10 of the canned pot 9 is a one-piece Ring body 13 in the form of a substantially flat sheet metal part firmly connected, e.g. by welding points provided in an annular zone 14 14a, as indicated in Figure 3.
  • the ring body 13 is the ring body 13 in Area of its inner circumference also with a Crank 15 fitted. Through the cranks 11 and 15 receiving spaces for bayonet parts are formed as it becomes clear.
  • the ring body 13 has both on its inner circumference as well as one on its outer circumference proportionate bayonet training 16 or 17.
  • the each corresponding other proportional bayonet training 18 and 19 are on the end shield 8 or provided on the pump housing 4.
  • the bearing plate 8 and that Pump housing 4 together by means of the ring body 13 releasably attached to the motor housing 12.
  • bayonet connections can be done in such a way that these are additionally provided with locking means that are indicated schematically at 20 in FIG. How shown, these locking means from small projections on the bayonet parts 16 and corresponding Wells in the corresponding bayonet parts 18 exist.
  • locking means from small projections on the bayonet parts 16 and corresponding Wells in the corresponding bayonet parts 18 exist.
  • Latching means also on all other bayonet parts be provided; however, they are for space reasons Not shown.
  • the generally designated 21 further conveyor unit 4 consists of an engine 22 with a housing 23, from a centrifugal pump 24 and from an assembly housing 25, which with a radial distance to the motor housing 23 is provided. This is an annular space 26 trained, which is fed by the pump 24. At the unit housing 25 is an inlet housing below 27 detachably attached.
  • Such a conveyor unit is used as a submersible pump for drainage purposes used and e.g. stand upright held in the medium to be removed. where it is last with the housing 27 on a floor surface supports.
  • the ring body 13 is on the motor housing 23 e.g. fixed by welding and has an internal bayonet formation 28 and an external bayonet formation 29.
  • the inner bayonet training 28 works the corresponding bayonet formation of the end shield 8 together to the running gear on the motor housing 23 to attach.
  • the ring body 13 consists of two, essentially in the same plane Ring parts 13a, 13b.
  • the second, outer Ring part 13b in the form of, for example, a sheet metal ring is also with a on its inner circumference Bayonet training 31 provided the best can be seen from Figure 5.
  • This bayonet training 31 works with the outer bayonet formation 29 of the first ring part 13a of the ring body 13 and the motor housing 23 together, so that second ring part 13b detachably on the motor housing 23 is attachable.
  • the outer ring part is on its outer circumference 13b with the housing 32 of the pump 24 connected, e.g. by welding.
  • the pump housing 32 is opposite by means of an annular seal 33 sealed the unit housing 25.
  • the outer ring part 13b is a diffuser trained and circumferentially has several e.g. segment-shaped passages 34 (FIG. 5) on so that the impeller 5 of the pump 24th delivered fluid into the annular space 26 can from where it is in a manner known per se a connecting piece and one connected to it Line is removed.
  • segment-shaped passages 34 FIGS. 5 and 6 have proceeded in such a way that downward curved guide vanes 35 and / or upwardly curved guide vanes 36 are provided.
  • These guide vanes 35, 36 can be made so that they are from the tongue-like Sheet metal parts consist of those for training the flow passages 34 provided Zones of the ring part 13b are bent out (FIG 6).
  • the third embodiment shown in Figure 7 consists of a generally designated 37 Conveyor 37. that a fan or a blower is.
  • a one-piece Ring body 38 provided with the housing 39 of the fan 40 is firmly connected. e.g. by Spot welds.
  • an outer, generally with The designated bayonet design is the housing 42 of the electric motor 43 on the housing 39 the fan 40 attached.
  • the end shield 45 With an inner, general with 44 bayonet training of the Ring body 38 is the end shield 45 with the Ring body 38 and the fan housing 39 connected.
  • the end shield 45 carries the other hand front bearing 46 for the motor shaft 47.
  • the shaft 47 in turn carries on the fan 40 facing End of the fan wheel 48 and is on hers rear end in the usual way in another Slide bearing 49 stored.
  • Figure 8 shows a modified embodiment to the example in Figure 4.
  • the Ring body 13 from a one-piece flat Sheet metal part with a first bayonet formation 51 on its inner circumference and a second bayonet formation 52 on its outer circumference.
  • a wide-ring zone provided an inner peripheral area 53 for fastening the ring body 13 on the motor housing 23 and an outer peripheral region 54 for the formation of a guide apparatus for loading the flow annulus 26 of the submersible pump.
  • the guide is preferably formed as it is in connection is described with Figures 4.5 and 6.
  • the outer, protruding shaped bayonet formation 52 of the ring body 13 engages accordingly usual groove design of the pump housing 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP92110180A 1991-07-06 1992-06-17 Förderaggregat aus einer Strömungsarbeitsmaschine und aus einem Antriebsmotor Expired - Lifetime EP0522324B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4122487 1991-07-06
DE4122487A DE4122487C2 (de) 1991-07-06 1991-07-06 Förderaggregat aus einer Strömungsarbeitsmaschine und aus einem Antriebsmotor

Publications (3)

Publication Number Publication Date
EP0522324A1 EP0522324A1 (de) 1993-01-13
EP0522324B1 EP0522324B1 (de) 1995-06-21
EP0522324B2 true EP0522324B2 (de) 1998-09-02

Family

ID=6435635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92110180A Expired - Lifetime EP0522324B2 (de) 1991-07-06 1992-06-17 Förderaggregat aus einer Strömungsarbeitsmaschine und aus einem Antriebsmotor

Country Status (2)

Country Link
EP (1) EP0522324B2 (enrdf_load_stackoverflow)
DE (2) DE4122487C2 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304945A1 (de) * 1993-02-19 1994-08-25 Ulli Weinberg Elektrisch antreibbare Flüssigkeitspumpe
DE19509134A1 (de) * 1995-03-14 1996-09-19 Wilo Gmbh Statorbefestigung für einen Spaltrohrmotor
DE10101521A1 (de) * 2001-01-12 2002-07-18 Bosch Gmbh Robert Getriebe-Antriebseinheit
GB0326534D0 (en) * 2003-11-14 2003-12-17 Weir Warman Ltd Pump insert and assembly
DE102005059636A1 (de) * 2005-12-14 2007-06-21 Pfeiffer Vacuum Gmbh Vakuumpumpe
GB2430468B (en) * 2006-06-01 2007-08-29 Vent Axia Ltd Improvements in or relating to a heat recovery unit
FR2995067B1 (fr) * 2012-08-31 2014-08-29 Atlantic Climatisation Et Ventilation Unite de ventilation a dispositif de type a baionnette
EP3382207B1 (en) * 2017-03-31 2021-09-29 Grundfos Holding A/S Pump assembly
EP3382206B1 (en) 2017-03-31 2020-12-16 Grundfos Holding A/S Pump assembly

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1895968U (de) * 1964-04-15 1964-07-02 Hans Dr Ing Moser Umwalzpumpe.
FR1399239A (fr) * 1964-06-19 1965-05-14 Rotron Manufactureing Company Ventilateur
US3407739A (en) * 1966-02-15 1968-10-29 Champion Cooler Corp Pumps and pump housing and motor unit
CH495555A (fr) * 1968-08-16 1970-08-31 Micromedic Systems Inc Pompe distributrice
DE2751516A1 (de) * 1977-11-18 1979-05-23 Hanning Elektro Werke Pumpe, insbesondere heizungsumwaelzpumpe
DE3220448C1 (de) * 1982-05-29 1983-08-11 Grundfos A/S, 8850 Bjerringbro Pumpenaggregat fuer Heizungs- und Brauchwasseranlagen
DE8514221U1 (de) * 1985-05-14 1985-08-01 Kupplungstechnik Gmbh, 4440 Rheine Vorrichtung zum Befestigen eines Pumpenaggregates
DE3524515A1 (de) * 1985-07-09 1987-01-15 Thyssen Plastik Anger Kg Wasserpumpe oder dergl.
DE3609311A1 (de) * 1986-03-20 1987-10-01 Homa Pumpenfabrik Gmbh Kreiselpumpe
ATE51056T1 (de) * 1986-09-12 1990-03-15 Siemens Ag Elektromotorisch angetriebene pumpe.
JPH03175195A (ja) * 1989-09-26 1991-07-30 Ebara Corp 水中ポンプ

Also Published As

Publication number Publication date
DE4122487C1 (enrdf_load_stackoverflow) 1992-11-26
DE59202598D1 (de) 1995-07-27
DE4122487C2 (de) 1997-09-18
EP0522324B1 (de) 1995-06-21
EP0522324A1 (de) 1993-01-13

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