EP2329149A1 - Ventilateur diagonal - Google Patents

Ventilateur diagonal

Info

Publication number
EP2329149A1
EP2329149A1 EP09783559A EP09783559A EP2329149A1 EP 2329149 A1 EP2329149 A1 EP 2329149A1 EP 09783559 A EP09783559 A EP 09783559A EP 09783559 A EP09783559 A EP 09783559A EP 2329149 A1 EP2329149 A1 EP 2329149A1
Authority
EP
European Patent Office
Prior art keywords
fan according
diagonal fan
spacers
webs
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.)
Granted
Application number
EP09783559A
Other languages
German (de)
English (en)
Other versions
EP2329149B1 (fr
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/fr
Application granted granted Critical
Publication of EP2329149B1 publication Critical patent/EP2329149B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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 present invention is based on the object to realize a montage technical simple and compact design for diagonal fan, which further ensures additional improved flow characteristics.
  • this is achieved in a construction of a diagonal fan described above, characterized in that the front plate and the motor mount are formed as plastic and / or metal injection molded parts and the spacers are formed as plastic and / or metal injection molded parts integral with the front panel or the motor mount.
  • the spacers consist of flat webs which have a cross-sectional profile whose height is greater than the thickness, and wherein the webs can preferably be aligned such that they run inclined in the outflow direction of the flow medium emerging from the diagonal fan.
  • FIG. 1 is a perspective view of the front of a diagonal fan according to the invention in a first embodiment
  • Fig. 2 is a perspective view of the back of the invention
  • FIG. 3 is an exploded view of the diagonal fan according to the invention according to the view of FIG. 1,
  • FIG. 4 is an exploded view of a diagonal fan according to the invention in the view of FIG. 2,
  • Fig. 5 is a view corresponding to Fig. 1 of a second, alternative
  • FIG. 6 shows the embodiment according to FIG. 5 in a view analogous to FIG. 2, FIG.
  • FIG. 7 is an exploded perspective view analogous to FIG. 4 of
  • Fig. 8 is a separate perspective view of the motor mount of FIG. 7 on the inside thereof (approximately corresponding to FIG. 3).
  • 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 web 7 pointing in the direction of the external rotor motor 3 is formed, wherein the transition of a front surface 8 of the front panel 5 to the edge web 7 is rounded, so that a flow-favorable wall course is formed by forming a type of inlet nozzle.
  • the diagonal fan wheel 1 consists of a hub 9 (see Fig. 4) on which fan blades 11 are arranged circumferentially.
  • the fan blades 11 are shaped in a conventional manner, wherein an air flow in the direction of arrow X via the inlet opening 6 through the diagonal fan 1 in the diagonal direction, d.
  • FIGS. H. By the blade shape shown in FIGS. H. in an axial-radial flow direction, through outward in a direction of rotation 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 balancing 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 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 air flow. 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 protrusions 28 are mainly shaped as hollow chambers 20 (see in particular FIG. 4).
  • the plate-shaped connecting elements 27 serve expediently at the same time as a lid for the hollow-chamber-like bearing projections 28th
  • 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.
  • the connecting elements 27 have guide projections 31 integrally formed on their shorter transverse side edges, which fit into guide pockets 32 of the bearing projections 28 and are inserted into them when the webs 23 are fastened.
  • 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.
  • a rib structure 25 a As shown in Fig. 3, and 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.
  • FIGS. 5 to 8 embodiment of the diagnostic fan according to the invention the same parts with the corresponding reference numerals as in Figs. 1 to 4 are initially designated.
  • the hollow chambers 20 are formed mainly in the region of the connecting elements 27 of the spacers 21 (see FIG. 8).
  • the spacers 21 or their webs 23 according to FIGS. 6 and 7 also have ribs 23a for saving material and weight as well as for stiffening.
  • 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 hitherto not yet been defined on the feature combination defined in claim 1 of certain features of all individually 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)

Abstract

La présente invention concerne un ventilateur diagonal constitué d'une roue de ventilateur diagonal (1), qui est fixée sur un rotor (2) d'un moteur à rotor extérieur (3) et qui est disposée entre une plaque avant (5) avec une ouverture d'afflux notamment centrale (6) et une fixation de moteur (4). La fixation de moteur (4) est connectée à la plaque frontale (5) par plusieurs éléments d'écartement (21) disposés sur la périphérie. Dans ce cas, la plaque frontale (5) et la fixation de moteur (4) sont réalisées sous forme de pièces moulées par injection de plastique ou de métal. Les éléments d'écartement (21) sont réalisés d'une seule pièce avec la plaque frontale (5) ou la fixation de moteur (4) sous forme de pièces moulées par injection de plastique et/ou de métal.
EP09783559.9A 2008-11-07 2009-09-29 Ventilateur diagonal Active EP2329149B1 (fr)

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 (fr) 2008-11-07 2009-09-29 Ventilateur diagonal

Publications (2)

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

Family

ID=41264283

Family Applications (1)

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

Country Status (4)

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

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

Family Cites Families (9)

* 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
US6133666A (en) * 1999-03-25 2000-10-17 General Electric Company Electric motor with a stator including a central locator
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
EP2436933B1 (fr) * 2004-10-19 2020-06-03 Ebm-Papst St. Georgen GmbH & CO. KG Structure de support pour ventilateur axial
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010052074A1 *

Also Published As

Publication number Publication date
ES2472840T3 (es) 2014-07-03
EP2329149B1 (fr) 2014-05-07
CN102197226B (zh) 2015-08-12
WO2010052074A1 (fr) 2010-05-14
CN102197226A (zh) 2011-09-21

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