EP1895166A1 - Appareil d'homogénisation d'un courant pour un ventilateur - Google Patents

Appareil d'homogénisation d'un courant pour un ventilateur Download PDF

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Publication number
EP1895166A1
EP1895166A1 EP06018108A EP06018108A EP1895166A1 EP 1895166 A1 EP1895166 A1 EP 1895166A1 EP 06018108 A EP06018108 A EP 06018108A EP 06018108 A EP06018108 A EP 06018108A EP 1895166 A1 EP1895166 A1 EP 1895166A1
Authority
EP
European Patent Office
Prior art keywords
nozzle ring
ring
flow rectifier
rectifier according
fan
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
EP06018108A
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German (de)
English (en)
Other versions
EP1895166B1 (fr
Inventor
Ralf Meier
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Individual
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Individual
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 Individual filed Critical Individual
Priority to DE502006002832T priority Critical patent/DE502006002832D1/de
Priority to EP06018108A priority patent/EP1895166B1/fr
Priority to AT06018108T priority patent/ATE422619T1/de
Publication of EP1895166A1 publication Critical patent/EP1895166A1/fr
Application granted granted Critical
Publication of EP1895166B1 publication Critical patent/EP1895166B1/fr
Not-in-force 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Definitions

  • the invention relates to a flow straightener for a fan, in particular an air cooler, consisting of a conically narrowing in the interior nozzle ring, a concentrically arranged and connected to the nozzle ring retaining sleeve for a fan motor and a protective grid for contact protection.
  • a fan mounting construction consisting of a simultaneously forming a contact protection wire grid of concentrically extending rings, which are interconnected by radially extending struts.
  • the outer ends of the struts are angled in the axial direction and form feet, by means of which the wire mesh can be mounted on a retaining pad, for example via a housing opening.
  • a ring is locked, which carries substantially radially inwardly extending air guide vanes, which terminate in a housing of substantially square cross section, which is intended for receiving a fan motor, which is screwed to the contact guard.
  • the guide vane assembly is replaceable in order to adapt the overall arrangement to desired throw lengths of the fan can.
  • the vane arrangement therefore has no supporting function.
  • EP 0 547 253 B1 describes a flow straightener for a fan, comprising an outer retaining ring and a grid surrounded by this with a central mounting opening for an electric motor, the webs having a extending approximately perpendicular to the plane defined by the grid plane extending depth, wherein the grid a plurality comprises concentrically in the radial distance from one another extending annular webs and a plurality of circumferentially distributed radially arranged webs connecting the ring lands with each other and with an inner, the mounting hole surrounding retaining ring and with the outer retaining ring.
  • the annular webs have a small depth compared to the depth of the fan wheel, it is in the range of 1 to 2 cm, which makes it necessary to keep the distance between the rings so small that you can not reach through the protective grille with your fingers ,
  • a comparable flow straightener is off DE 90 13 191 U1 known in which the Having the electric motor of the fan bearing guards rectangular honeycomb walls with so close a distance that you can not reach through the honeycombs with your fingers.
  • the said one-piece constructions have the disadvantage that due to the small, relatively narrow grid honeycomb the air friction losses are relatively large, which deteriorates the overall fan efficiency. In addition, the rectifying effect is relatively limited.
  • a drive motor assembly for air cooler fans which is provided with a flow guide downstream of the impeller located in a fan suction nozzle.
  • the flow director has a vane ring having an inner ring body supporting the vanes and the drive motor. Between the vane ring and the impeller is a wire mesh grid as protection against contact.
  • the Strömungsleitapparat has a circumferential housing ring, which is connected to the suction nozzle, for example screwed.
  • the invention has for its object to provide a flow straightener of the type mentioned, which can be inexpensively manufactured and widely used universally and has a high rectifying effect at low losses.
  • the unit consisting of the nozzle ring, the retaining sleeve and the air guide vanes arranged therebetween, assumes the entire supporting function for the electric motor.
  • This unit is designed as an integral molded part, in particular made of plastic.
  • the nozzle ring at the same time forms the receiving space for the impeller of the fan and protects it in the radial direction.
  • a protective grid is provided, which ensures a protection against contact in the axial direction.
  • the air guide vanes have an axial extent in the range of 4 to 8 cm, which is preferred, such a large distance is formed between the outside of the protective grille and the impeller blades, that the Distance between the individual bars or struts of the protective grid compared to the usual extent may be increased considerably. As a result, the flow resistance of the protective grid is kept small.
  • the said grid in the flow straightener according to the invention has only contact protection function, the holding function for the actual fan takes over, as already mentioned, the integral unit of nozzle ring, air guide vanes and retaining sleeve, but the contact protection grid contributes to the stability advantageous, especially if according to a preferred embodiment, it is integrally connected to the remaining components of the flow straightener.
  • the contact protection grid may consist of concentrically extending rings, which are interconnected by radially extending struts. It is preferably molded in one piece with the other components of the construction.
  • the air guide vanes can take over the function of the radial struts of the contact protection grid, when the rings thereof are integrally connected to the downstream edges of the air guide vanes.
  • the nozzle ring preferably has a taper of about 2 °. It opens in the direction away from the contact protection grid, which facilitates demolding during manufacture or even makes it possible in the first place. This conicity ensures at the same time a water drain to the outside with horizontal mounting of the fan shaft.
  • the nozzle ring has a circumferential flange, which allows its mounting on housing walls, which are not provided with nozzle inlet nozzle. These housings can therefore be made of non-deep drawing sheet metal, which makes their production cheaper.
  • the flange has a plurality of circumferentially distributed, radially outwardly standing mounting tabs with holes for receiving screws or studs. With the help of these mounting tabs of the nozzle ring over an opening, such as a housing opening, can be mounted.
  • a particularly advantageous supplement of the nozzle ring which facilitates its installation behind an opening formed in a plate-shaped component, for example in a housing wall, consists of an additional nozzle ring which consists of a substantially radially extending flange ring and one with this via an inlet curvature integrally connected Einsteckring consists, which has an outer diameter which is smaller than the inner diameter of the nozzle ring on its side facing away from contact.
  • On the flange are formed in alignment with the holes in the nozzle ring studs extending axially parallel in the same direction as the Einsteckring.
  • This additional nozzle ring can thus be inserted into a correspondingly dimensioned housing opening, wherein the stud bolts penetrate holes formed in the housing wall.
  • the fan ring bearing nozzle ring is attached to the additional nozzle ring so that the mounting tabs are penetrated by the studs. With the help of nuts then the nozzle ring is set on the additional nozzle ring. Due to this construction, the housing to which the assembly is to be mounted need not have an inlet nozzle and also stud bolts for fixing the nozzle ring. The additional nozzle ring promotes the inflow of air into the fan.
  • the air vanes which act in the sense of a stator and are arranged downstream of the fan must be sized to match the fan impeller.
  • the person skilled in such dimensioning rules are known. Only by way of example can on the DE 94 22 006 U1 in which the geometry of air vanes is described in detail.
  • the flow straightener in Fig. 1, is shown without contact guards to make its air guide blades better recognizable.
  • the flow straightener consists of a nozzle ring 1, which has a slightly conical peripheral wall 1a, at whose one axial end a circumferential flange 1b is formed. Peripheral wall 1a and flange 1b are supported and reinforced by a plurality of struts 1c.
  • the air guide vanes 2 terminate at their other, inner ends on a retaining sleeve 3, which is intended and dimensioned for receiving and holding an electric motor (not shown).
  • an electric motor not shown
  • the drive motor for the impeller is thus inserted from the visible in Fig. 1 upper side in the particular of the retaining sleeve opening and secured to the retaining sleeve 3, while the impeller on the other side, here the bottom, attached to the motor shaft and at this is attached.
  • Fig. 2 shows the construction of Fig. 1 on a supporting member 6, for example, mounted on a housing wall and provided with a contact protection grid 7.
  • the protective grid 7 consists of a plurality of concentric rings 7a, which are integrally connected to each other in the example shown by radially extending struts 7b.
  • This construction makes it possible to form the protective grid as a separate component, the first after creation of the construction of FIG. 1 is attached to this, for example by locking, which makes it solvable, by gluing or welding.
  • the air guide vanes 2 can take over the function of the radial struts 7b, namely, when the rings 7a are integrally connected to the downstream edges of the air vanes, for example by a common, single injection molding operation.
  • nozzle ring 1 may be formed on this stud, or it may have holes for receiving bolts.
  • the assembly is particularly elegant with the aid of an additional nozzle ring on which studs are formed. For this purpose, reference is made to the following figures 3 to 8.
  • Fig. 3 shows an additional nozzle ring 8 from its inflow side. With reference to FIG. 2, this would be the underside thereof.
  • the additional nozzle ring 8 has a substantially radially extending flange 8a and an integral with this via an inlet curvature Einsteckring 8b.
  • the dimensions of the Einsteckrings 8b are matched to that of the nozzle ring 1 so that the additional nozzle ring 8 can be inserted into the nozzle ring 1.
  • a plurality of stud bolts 8c are attached to the flange ring 8a, one of which is partially visible in FIG. 3 and extending in the same direction as the male ring 8b. The position of the stud bolts 8c is adjusted with respect to the position of the bore 5 on the nozzle 1 so that the nozzle ring 1 can be plugged onto the stud bolts 8c.
  • Fig. 4 shows the additional nozzle ring 8 in a ready for assembly state from its downstream side.
  • a supporting component for example a housing wall 6 is shown, which has an opening 6a, which is dimensioned for receiving the Einsteckrings 8b.
  • the housing wall 6 has four holes 6b to the position of the studs 8c matching points.
  • FIG. 6 shows the additional nozzle ring 8 in the state mounted on the housing wall 6.
  • the Einsteckring 8b is inserted through the housing opening 6a, the studs 8c penetrate the holes provided for them in the housing wall 6, and nuts 8d are screwed onto the stud bolts 8c to the additional nozzle ring on the housing wall 6 to to back up.
  • the flow straightener 1 shown in FIG. 7 is ready for mounting on the housing wall 6 thus prepared.
  • an electric motor can be inserted from the upper side and fastened to the retaining sleeve 3.
  • the impeller of the fan is then from the other side, that is here from the bottom, to attach to the motor shaft.
EP06018108A 2006-08-30 2006-08-30 Appareil d'homogénisation d'un courant pour un ventilateur Not-in-force EP1895166B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE502006002832T DE502006002832D1 (de) 2006-08-30 2006-08-30 Strömungsgleichrichter für einen Ventilator
EP06018108A EP1895166B1 (fr) 2006-08-30 2006-08-30 Appareil d'homogénisation d'un courant pour un ventilateur
AT06018108T ATE422619T1 (de) 2006-08-30 2006-08-30 Strömungsgleichrichter für einen ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06018108A EP1895166B1 (fr) 2006-08-30 2006-08-30 Appareil d'homogénisation d'un courant pour un ventilateur

Publications (2)

Publication Number Publication Date
EP1895166A1 true EP1895166A1 (fr) 2008-03-05
EP1895166B1 EP1895166B1 (fr) 2009-02-11

Family

ID=37685963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06018108A Not-in-force EP1895166B1 (fr) 2006-08-30 2006-08-30 Appareil d'homogénisation d'un courant pour un ventilateur

Country Status (3)

Country Link
EP (1) EP1895166B1 (fr)
AT (1) ATE422619T1 (fr)
DE (1) DE502006002832D1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2314882A1 (fr) * 2009-10-21 2011-04-27 ebm-papst Mulfingen GmbH & Co. KG Elément de guidage d'air pour un ventilateur axial
CN102374178A (zh) * 2010-08-12 2012-03-14 施乐百股份公司 风扇
WO2013143671A1 (fr) * 2012-03-26 2013-10-03 Ziehl-Abegg Ag Ventilateur, notamment pour un usage dans le domaine technique de la climatisation et du froid
CN103541915A (zh) * 2012-07-12 2014-01-29 东富电器股份有限公司 循环扇结构
DE202013100139U1 (de) * 2013-01-11 2014-04-15 Ebm-Papst Mulfingen Gmbh & Co. Kg Verbund aus einem Schutzgitter und einem Wandring sowie Lüfter mit einem derartigen Verbund
EP2778432A1 (fr) * 2013-03-15 2014-09-17 ebm-papst Mulfingen GmbH & Co. KG Redresseur de courant
DE102012106701B4 (de) * 2011-07-25 2015-12-17 H. Doll Wärmetechnik GmbH Deckenventilator
WO2016120184A1 (fr) * 2015-01-30 2016-08-04 Ebm-Papst Mulfingen Gmbh & Co. Kg Système de réception
DE102009032207B4 (de) * 2009-07-03 2016-11-17 Maico Elektroapparate-Fabrik Gmbh Ventilator
CN106495252A (zh) * 2016-12-13 2017-03-15 中国船舶重工集团公司第七〇九研究所 一种自流发生器过滤装置
DE102016002997A1 (de) * 2016-03-14 2017-09-14 H. Doll Wärmetechnik GmbH Deckenventilator mit Strömungsleitmitteln und Verfahren hierzu
CN107850085A (zh) * 2015-09-10 2018-03-27 依必安派特穆尔芬根有限两合公司 安装在风机的吸入侧上的导流栅
USD814008S1 (en) 2015-02-02 2018-03-27 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator fan
DE102017007370A1 (de) * 2017-08-07 2019-02-07 Ebm-Papst St. Georgen Gmbh & Co. Kg Lüfter
DE102018128824A1 (de) * 2018-11-16 2020-05-20 Ebm-Papst Mulfingen Gmbh & Co. Kg Diagonalventilator mit Gehäuse
WO2020099033A1 (fr) * 2018-11-16 2020-05-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilateur diagonal équipé d'un dispositif directeur de sortie
US11168899B2 (en) 2016-05-03 2021-11-09 Carrier Corporation Vane axial fan with intermediate flow control rings
DE102022124201A1 (de) 2022-09-21 2024-03-21 Ebm-Papst Mulfingen Gmbh & Co. Kg Radialventilator mit nachrüstbaren Luftleitsegmenten

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9013191U1 (fr) * 1990-09-17 1992-01-23 Sued-Electric Gmbh, 8011 Kirchseeon, De
DE4412193C1 (de) * 1994-04-08 1995-08-31 Guentner Gmbh Hans Antriebsmotoranordnung für Luftkühlerventilatoren
DE19753373A1 (de) * 1996-12-10 1998-06-25 Papst Motoren Gmbh & Co Kg Axiallüfter-Gehäuse
FR2763367A1 (fr) * 1997-05-14 1998-11-20 Max Sardou Ventilateur a faible niveau sonore peu sensible aux pertubations amont
DE20208250U1 (de) * 2002-05-27 2003-10-02 Guentner Gmbh Hans Berührungsschutz für Ventilatoren, insbesondere von Luftkühlern
GB2400168A (en) * 2003-04-03 2004-10-06 Peter Yeung Kitchen range hood motor housing and fan

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9013191U1 (fr) * 1990-09-17 1992-01-23 Sued-Electric Gmbh, 8011 Kirchseeon, De
DE4412193C1 (de) * 1994-04-08 1995-08-31 Guentner Gmbh Hans Antriebsmotoranordnung für Luftkühlerventilatoren
DE19753373A1 (de) * 1996-12-10 1998-06-25 Papst Motoren Gmbh & Co Kg Axiallüfter-Gehäuse
FR2763367A1 (fr) * 1997-05-14 1998-11-20 Max Sardou Ventilateur a faible niveau sonore peu sensible aux pertubations amont
DE20208250U1 (de) * 2002-05-27 2003-10-02 Guentner Gmbh Hans Berührungsschutz für Ventilatoren, insbesondere von Luftkühlern
GB2400168A (en) * 2003-04-03 2004-10-06 Peter Yeung Kitchen range hood motor housing and fan

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009032207B4 (de) * 2009-07-03 2016-11-17 Maico Elektroapparate-Fabrik Gmbh Ventilator
EP2314882A1 (fr) * 2009-10-21 2011-04-27 ebm-papst Mulfingen GmbH & Co. KG Elément de guidage d'air pour un ventilateur axial
CN102374178A (zh) * 2010-08-12 2012-03-14 施乐百股份公司 风扇
EP2418388A3 (fr) * 2010-08-12 2013-09-11 Ziehl-Abegg AG Ventilateur
US9103352B2 (en) 2010-08-12 2015-08-11 Ziehl-Abegg Ag Ventilator
DE102012106701B4 (de) * 2011-07-25 2015-12-17 H. Doll Wärmetechnik GmbH Deckenventilator
WO2013143671A1 (fr) * 2012-03-26 2013-10-03 Ziehl-Abegg Ag Ventilateur, notamment pour un usage dans le domaine technique de la climatisation et du froid
CN103541915A (zh) * 2012-07-12 2014-01-29 东富电器股份有限公司 循环扇结构
DE202013100139U1 (de) * 2013-01-11 2014-04-15 Ebm-Papst Mulfingen Gmbh & Co. Kg Verbund aus einem Schutzgitter und einem Wandring sowie Lüfter mit einem derartigen Verbund
US9932990B2 (en) 2013-01-28 2018-04-03 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilation device, in particular for heating, cooling, and/or humidifying air in residential buildings
EP2778432A1 (fr) * 2013-03-15 2014-09-17 ebm-papst Mulfingen GmbH & Co. KG Redresseur de courant
CN105102825A (zh) * 2013-03-15 2015-11-25 依必安派特穆尔芬根有限两合公司 具有流量矫直器的风扇布置
WO2014139959A1 (fr) * 2013-03-15 2014-09-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Ensemble ventilateur doté d'un régulateur de débit d'air
US10746194B2 (en) * 2015-01-30 2020-08-18 Ebm-Papst Mulfingen Gmbh & Co. Kg Holding system for a fan
WO2016120184A1 (fr) * 2015-01-30 2016-08-04 Ebm-Papst Mulfingen Gmbh & Co. Kg Système de réception
US20180058477A1 (en) * 2015-01-30 2018-03-01 Ebm-Papst Mulfingen Gmgh & Co. Kg Holding system
USD814008S1 (en) 2015-02-02 2018-03-27 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator fan
CN107850085A (zh) * 2015-09-10 2018-03-27 依必安派特穆尔芬根有限两合公司 安装在风机的吸入侧上的导流栅
DE102016002997A1 (de) * 2016-03-14 2017-09-14 H. Doll Wärmetechnik GmbH Deckenventilator mit Strömungsleitmitteln und Verfahren hierzu
US11168899B2 (en) 2016-05-03 2021-11-09 Carrier Corporation Vane axial fan with intermediate flow control rings
US11226114B2 (en) 2016-05-03 2022-01-18 Carrier Corporation Inlet for axial fan
CN106495252A (zh) * 2016-12-13 2017-03-15 中国船舶重工集团公司第七〇九研究所 一种自流发生器过滤装置
CN106495252B (zh) * 2016-12-13 2022-12-13 中国船舶重工集团公司第七一九研究所 一种自流发生器过滤装置
DE102017007370A1 (de) * 2017-08-07 2019-02-07 Ebm-Papst St. Georgen Gmbh & Co. Kg Lüfter
DE102018128824A1 (de) * 2018-11-16 2020-05-20 Ebm-Papst Mulfingen Gmbh & Co. Kg Diagonalventilator mit Gehäuse
WO2020099033A1 (fr) * 2018-11-16 2020-05-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilateur diagonal équipé d'un dispositif directeur de sortie
DE102022124201A1 (de) 2022-09-21 2024-03-21 Ebm-Papst Mulfingen Gmbh & Co. Kg Radialventilator mit nachrüstbaren Luftleitsegmenten

Also Published As

Publication number Publication date
ATE422619T1 (de) 2009-02-15
DE502006002832D1 (de) 2009-03-26
EP1895166B1 (fr) 2009-02-11

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