EP2329149B1 - Diagonallüfter - Google Patents

Diagonallüfter Download PDF

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Publication number
EP2329149B1
EP2329149B1 EP09783559.9A EP09783559A EP2329149B1 EP 2329149 B1 EP2329149 B1 EP 2329149B1 EP 09783559 A EP09783559 A EP 09783559A EP 2329149 B1 EP2329149 B1 EP 2329149B1
Authority
EP
European Patent Office
Prior art keywords
diagonal fan
fan according
webs
spacers
diagonal
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.)
Active
Application number
EP09783559.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2329149A1 (de
Inventor
Christian RÜCKERT
Jürgen Schöne
Jörg GÜNTHER
Oliver Haaf
Erich Hofmann
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.)
Ebm Papst Mulfingen GmbH and Co KG
Original Assignee
Ebm Papst Mulfingen GmbH and Co KG
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
Priority claimed from DE102008056459A external-priority patent/DE102008056459A1/de
Application filed by Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP2329149A1 publication Critical patent/EP2329149A1/de
Application granted granted Critical
Publication of EP2329149B1 publication Critical patent/EP2329149B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/06—Helico-centrifugal 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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid 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
    • F05D2230/00—Manufacture
    • F05D2230/50—Building or constructing in particular ways
    • F05D2230/53—Building or constructing in particular ways by integrally manufacturing a component, e.g. by milling from a billet or one piece construction
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the present invention relates to a diagonal fan consisting of a Diagonallsymmetricerrad which is mounted on a rotor of an external rotor motor, and which is arranged between a front plate with a particular central inlet opening and a motor mount, wherein the motor mount is connected by a plurality of circumferentially arranged spacers with the front panel ,
  • the out DE 203 16 909 U1 known diagonal fan has a fan housing in the form of a frusto-conical tube, at the two ends mounting flanges are provided, one of which, can also be regarded as a "front panel".
  • an additional mounting flange is used, which is connected via thin retaining webs with the other, second mounting flange of the Laftergeophuses, wherein the holding webs extend in the radial direction helically curved.
  • the motor is connected via its mounting flange, the holding webs, the second housing flange and the housing tube with the first housing flange (the "front panel").
  • the WO 0057536 A1 discloses an axial fan with an annular rim and a motor mount, which are connected by flat and curved webs with each other.
  • the present invention is based on the object to realize a montage technically simple and compact design for diagonal fan, which further ensures additional improved flow characteristics.
  • the housing formed from the front panel and the motor mount only consists of two parts.
  • all essential functions can be integrated into the housing.
  • the design of the spacers ensures that small Strömungsverwirbelonne occur at the outlet of the flow medium, so that no disturbing noises can occur.
  • a diagonal fan consists of a Diagonallsymmetricerrad 1, which is mounted on a rotor 2 of an external rotor motor 3.
  • the external rotor motor 3 is arranged between a motor mount 4 and a front plate 5.
  • the front plate 5 has a central inflow opening 6, through the opening center of which the axis of rotation of the external rotor motor 3 extends.
  • a peripheral edge web 7 pointing in the direction of the external rotor motor 3 is formed, wherein the transition of a front face 8 of the front panel 5 to the edge web 7 is rounded, so that a streamlined wall course is formed by forming a type of inlet nozzle.
  • the Diagonallwillerrad 1 consists of a hub 9 (s. Fig. 4 ), on the circumferentially fan blades 11 are arranged.
  • the fan blades 11 are shaped in the usual way, with the in Fig. 1 to 4 illustrated blade shape, an air flow in the direction of arrow X via the inlet opening 6 through the diagonal fan 1 in the diagonal direction, ie in an axial-radial flow direction, therethrough outwardly at a rotational direction in the direction of arrow Y results.
  • the fan blades 11 are surrounded by an air guide casing 12, which is preferably connected to the fan blades 11 at their ends, so that it rotates with the fan blades 11.
  • the hub 9 and the air duct 12 have the shape of a truncated cone, with the corresponding radii increasing from the inflow side (suction side) to the blow-out side. This ensures that the flow to its axial flow component receives a radial flow component, whereby an increase in pressure is effected.
  • the Diagonallcererrad 1 has On the inflow side of the air guide casing 12, an annular collar 13, which comprises the inflow opening of the diagonal fan wheel 1.
  • the outer diameter of the annular collar 13 is dimensioned such that it protrudes in the mounted state in the enclosed by the edge web 7 inflow without contact with little play.
  • the annular collar 13 pockets 15 ( Fig. 3 ), in which balance weights can be attached.
  • the external rotor motor 3 has at its stator 16 a stator flange 17, which serves for fastening the motor mount 4.
  • the motor mount 4 has a circular retaining plate 18 whose outer diameter is adapted to the outer diameter of the circular hub 9.
  • the stator flange 17 is screwed by means of screws to the holding plate 18 through screw holes 19 in this.
  • spacers 21 The connection between the motor mount 4 and the front plate 5 via spacers 21.
  • four spacers 21 are integrally formed on the periphery of the support plate 18 at the peripheral edge 22.
  • the spacers 21 consist of flat webs 23 with a cross-sectional profile whose height or width is greater than its thickness.
  • the webs 23 consist of a first web leg 24, which extends approximately radially outwardly from the peripheral wall 22 and over a approximately 90 ° bend in a second, approximately in the axial direction, ie parallel to the motor axis extending web leg 26 passes.
  • the so formed webs 23 include the diagonal fan 1.
  • the webs 23 with the flat profile of their web legs 24, 26 are aligned obliquely so that they extend in the direction of discharge of the emerging from the diagonal fan 1 airflow. As a result, flow vortices are reduced, which would lead to flow noise.
  • the webs 23 have at their free ends a plate-shaped connecting element 27 with which they are attached to the front panel 5 at the rear, preferably by a releasable connection z. B. by means of screws.
  • the front plate 5 bearing projections 28.
  • hollow chambers 20 may be formed in the respective connection region of the connecting elements 27 of the spacers 21 with the bearing projections 28.
  • These hollow chambers 20 may be for receiving electronic components, for.
  • capacitors serve as components of an engine electronics.
  • the bearing projections 28 formed as hollow chambers 20 (see in particular Fig. 4 ).
  • the plate-shaped connecting elements 27 serve expediently simultaneously as a cover for the hollow-chamber-like bearing projections 28.
  • each spacer 21 preferably consists of two webs 23 which are parallel to each other and are connected together at their free ends via the connecting element 27.
  • the webs 23 may be connected to each other by at least one bridge web 29 for stiffening.
  • Fig. 1 to 4 have the connecting elements 27 at their shorter transverse side edges integrally formed guide lugs 31 which fit into guide pockets 32 of the bearing projections 28 and are inserted into the guide webs 23 in fixing them.
  • the hub 9 has at its engine mount 4 facing end side in a wall of the hub body pockets 33, can be inserted into the balancing weights.
  • the front plate 5 is provided with a rib structure 25, which on the one hand, a material saving and on the other hand, a stiffening of the front panel 5 is achieved.
  • the holding plate 18 on its side facing the external rotor motor 3 side a rib structure 25 a, so that the holding plate is not formed as a thick-walled, solid part.
  • the front plate 5 and the motor mount 4 are formed as plastic and / or metal injection molded parts and the spacers 21 as plastic or metal injection molded parts integral with the front panel 5 or Motor bracket 4 are made.
  • This embodiment of the invention results in an existing only two injection molded fan housing, resulting in a montage technically simple and compact design.
  • Fig. 5 to 8 illustrated embodiment of the diagnostic fan according to the invention are initially the same parts with the corresponding reference numerals as in Fig. 1 to 4 designated.
  • the hollow chambers 20 are formed mainly in the region of the connecting elements 27 of the spacers 21 (see Fig. 8 ).
  • Fig. 7 but can also be formed on the side of the bearing projections 28 of the front panel 5 proportionate chambers 20a.
  • the spacers 21 or their webs 23 also have Fig. 6 and 7 Verrippitch 23a for material and weight savings and stiffening on.
  • the invention is not limited to the illustrated embodiments, but also includes all means acting in accordance with the invention means. Furthermore, the invention has not yet been defined on the defined in claim 1 feature combination of certain features of all disclosed individual features. This means that in principle virtually every individual feature of claim 1 can be omitted or replaced by at least one individual feature disclosed elsewhere in the application. In this respect, the claim 1 is to be understood only as a first formulation attempt for an invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP09783559.9A 2008-11-07 2009-09-29 Diagonallüfter Active EP2329149B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008056459A DE102008056459A1 (de) 2008-02-19 2008-11-07 Diagonallüfter
PCT/EP2009/062627 WO2010052074A1 (de) 2008-11-07 2009-09-29 Diagonallüfter

Publications (2)

Publication Number Publication Date
EP2329149A1 EP2329149A1 (de) 2011-06-08
EP2329149B1 true EP2329149B1 (de) 2014-05-07

Family

ID=41264283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783559.9A Active EP2329149B1 (de) 2008-11-07 2009-09-29 Diagonallüfter

Country Status (4)

Country Link
EP (1) EP2329149B1 (zh)
CN (1) CN102197226B (zh)
ES (1) ES2472840T3 (zh)
WO (1) WO2010052074A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2483667B (en) * 2010-09-15 2016-01-27 Flakt Woods Ltd A mounting structure for a drive motor
DE102012109545A1 (de) * 2012-10-08 2014-04-10 Ebm-Papst Mulfingen Gmbh & Co. Kg "Gehäuse für einen Ventilator oder Lüfter"
ES2509990B1 (es) * 2013-04-16 2015-07-28 Soler & Palau Research, S.L. Caja de ventilador
JP6464549B2 (ja) * 2013-08-29 2019-02-06 富士電機株式会社 ファンユニットおよびこれを使用したファンフィルタユニット

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000057536A1 (en) * 1999-03-25 2000-09-28 General Electric Company Electric motor with stator core and distinct pole pieces and assembly method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017873U1 (de) 1989-07-25 1992-09-24 Neuhaus, Gerhard, Dipl.-Ing., 35463 Fernwald Ventilatoraggregat
DE9100671U1 (de) * 1991-01-21 1991-07-18 Ziehl-Abegg GmbH & Co KG, 7118 Künzelsau Ventilator, insbesondere Rohr- oder Kanalventilator
TW592343U (en) * 2002-04-30 2004-06-11 Delta Electronics Inc Improved cooling fan
DE10253227A1 (de) 2002-11-15 2004-05-27 Papst-Motoren Gmbh & Co. Kg Lüfter, insbesondere Gerätelüfter
WO2006042635A1 (de) * 2004-10-19 2006-04-27 Ebm-Papst St. Georgen Gmbh & Co. Kg Anordnung für die kühlung einer leiterplatte oder dergleichen
CN100445568C (zh) * 2006-01-12 2008-12-24 上海交通大学 牵引电机制动冷却系统单叶轮轴流风机
JP2007239712A (ja) * 2006-03-13 2007-09-20 Nippon Densan Corp 遠心ファン
JP4946534B2 (ja) * 2007-03-12 2012-06-06 日本電産株式会社 冷却装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000057536A1 (en) * 1999-03-25 2000-09-28 General Electric Company Electric motor with stator core and distinct pole pieces and assembly method

Also Published As

Publication number Publication date
CN102197226A (zh) 2011-09-21
CN102197226B (zh) 2015-08-12
WO2010052074A1 (de) 2010-05-14
EP2329149A1 (de) 2011-06-08
ES2472840T3 (es) 2014-07-03

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