EP2366907B1 - Radial-Lüfterrad-Anordnung - Google Patents

Radial-Lüfterrad-Anordnung Download PDF

Info

Publication number
EP2366907B1
EP2366907B1 EP11157484.4A EP11157484A EP2366907B1 EP 2366907 B1 EP2366907 B1 EP 2366907B1 EP 11157484 A EP11157484 A EP 11157484A EP 2366907 B1 EP2366907 B1 EP 2366907B1
Authority
EP
European Patent Office
Prior art keywords
disc
clamp
counterweight
region
radial 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.)
Active
Application number
EP11157484.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2366907A2 (de
EP2366907A3 (de
Inventor
Christian Dipl.-Ing.(FM) Hammel
Erhard Dipl.-Ing. Gruber
Christian Dipl.-Ing. Haag
Oliver Dipl.-Ing.(FH) Haaf
Michael Dipl.-Ing.(FH) Strehle
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
Application filed by Ebm Papst Mulfingen GmbH and Co KG filed Critical Ebm Papst Mulfingen GmbH and Co KG
Publication of EP2366907A2 publication Critical patent/EP2366907A2/de
Publication of EP2366907A3 publication Critical patent/EP2366907A3/de
Application granted granted Critical
Publication of EP2366907B1 publication Critical patent/EP2366907B1/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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/662—Balancing of rotors

Definitions

  • the present invention relates to a radial impeller assembly consisting of a circular bottom plate and a circular cover plate with a central inlet opening and running between the bottom plate and the cover disc vanes, wherein at least one balance weight is fixed on at least one of the two discs in the disc edge region.
  • the present invention is based on the object, starting from a radial impeller arrangement of the type described above, to improve them in such a way that, on the one hand, a simple assembly of the balance weights is possible and, on the other hand, the lowest possible influence of the balance weights on the flow behavior is present, that no additional flow noise caused by the balance weights.
  • the radial impeller assembly consists of a fan 1, which has a circular bottom plate 2 and an annular cover plate 3 with a central inflow opening 4. Between the bottom plate 2 and the cover plate 3 run paddles 6. As out Fig. 2 can be seen, the bottom plate 2 is cup-shaped and has a cup-shaped curvature 7, which points in the direction of the inflow 4. Within the curvature 7, a wheel hub 8 is formed, which serves for fastening the fan wheel 1 on an electric motor, not shown, in particular an external rotor motor.
  • the fan impeller 1 when the bottom plate 2 is connected in another way with a drive motor, the fan impeller 1 according to the invention can also be driven with an internal rotor motor.
  • the fan 1 is preferably formed as a plastic injection molded part. However, a production of metal or a combination of plastic and metal is possible.
  • the cover disc 3 can, as in Fig. 2 can be seen to be arcuately shaped in cross section, so that there are low flow losses in the direction of arrow X in the region of the cover disk wall at an air flow.
  • the present invention also relates to the fan wheel 1 alone.
  • pocket-shaped depressions 9 are advantageously formed in each case on an outer side 10 of the bottom disk 2 or an outer side 11 of the cover disk 3.
  • they can also advantageously be formed on both sides of the bottom plate 2 or the cover plate 3 or on the bottom plate 2 and the cover plate 3.
  • the pocket-shaped recesses 9 are present on both sides of the outer side 10 and the inner side 12 of the cover plate 3.
  • the inside of the cover plate 3 that side is considered, which is facing an existing between the blades 6 flow channel.
  • a fan wheel assembly additionally comprises at least one balance weight 13, which is arranged in the region of one or more of the pocket-shaped depressions 9 of the cover disk 3 and / or the bottom disk 2.
  • the distance of the clip legs 16, 17 is smaller in the end region of the free ends of the clip legs 16, 17 than the slice thickness d of the bottom plate 2 or the cover plate 3 in the outer edge region or in the region of the pocket-like depressions 9.
  • This dimensioning of the balance weight 13 is in deferred state of the balance weight 13 causes a jamming seat of the balance weight 13 on the bottom plate 2 and the cover plate 3.
  • the pushing on of the clip-shaped balance weight 13 according to the invention is made on the same edge or edge of the pocket-shaped one Recesses 9 facilitates. This is in particular on the 4 and 5 directed. Furthermore, it can be seen from these figures that it may also be expedient if the clamp tongue 19 opposite leg 17 at its two longitudinal edges opposite, in the direction of the other leg 16 and the arcuate portion 18 of the bracket facing locking tongues 21 has. This is also on the 6 and 7 referenced, in which an inventive clamp-shaped balance weight 13 is shown.
  • the cover plate 3 and / or the bottom plate 2 have on its inside, which faces the flow channel formed between you, in the pocket-shaped recesses 9 a circular arc extending retaining groove 22 into which engages the clamp-shaped balance weight 13 with its locking tongues 21 in the pushed state and thereby the balance weight 13 is fixed in the radial direction.
  • a circular arc extending retaining groove 22 into which engages the clamp-shaped balance weight 13 with its locking tongues 21 in the pushed state and thereby the balance weight 13 is fixed in the radial direction.
  • the height h of the pocket-shaped depressions 9 ⁇ the thickness D of the clip legs 16, 17, so that the clip legs 16, 17 in the pocket-shaped Well 9 are sunk and thus can not form a flow obstacle.
  • the radial depth t of the pocket-shaped recesses 9 ⁇ the length I of the clip legs 16, 17 and the length of the clip legs 16, 17 is greater than the width of the clip legs 16, 17.
  • Wie in particular from Fig. 2 and 4 can be seen, results in a rotation of the fan wheel 1, a suction flow according to the arrow X in Fig. 3 , wherein partly also an air flow Z on the outside of the cover plate 3 is formed. How out Fig. 4 it can be seen, this outside flow Z would lead in the region of the protruding clamp tongue 19 to turbulence and vibrations of the clamp tongue 19.
  • a thickening 23 of the disk wall is formed such that an air flow on its outer side of the disk over the clamp tongue 19 in the plugged state of the balance weight thirteenth to be led.
  • the height of the thickening 23 relative to the bottom 24 of the pocket-shaped recess 9 corresponds to at least the distance of the free end of the clamp tongue 19 relative to the bottom 24.
  • the inventive clamp-shaped balance weight 13 is preferably designed as a stamped bent part and has a constriction 25 in the area in front of the latching tongues 21. As a result, the flexibility of the clip leg 17 is increased, so that easy plugging and spring-back of the latching tongues 21 in the holding groove 22 is facilitated.
  • a further embodiment of the invention is shown.
  • the outer edge region of the cover plate 3 with respect to the remaining region has a greater thickness, for.
  • the cover plate 3 may also have a continuous uniform thickness.
  • the balancing weight 13 according to the invention is pushed onto the outer edge region of the cover plate 3, so that it engages with its locking tongues 21 in the retaining groove 22, which is formed in a pocket-shaped recess 9 on the inner side 12.
  • the counterweight 13 is formed in front of the radially inner end of the thickening 23 having a height such that a flow on the outer wall, see arrow Z, is guided over the one-sided clamp tongue 19, ie the height of the thickening 23 corresponds at least the vertical distance of the end of the staple tongue 19 from the top of the cover plate 3 in the outer edge region of the cover plate 3.
  • the thickening 23 may be formed in a circular arc between the edge blades 6 or extend continuously circular.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP11157484.4A 2010-03-15 2011-03-09 Radial-Lüfterrad-Anordnung Active EP2366907B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010011526A DE102010011526A1 (de) 2010-03-15 2010-03-15 Radial-Lüfterrad-Anordnung

Publications (3)

Publication Number Publication Date
EP2366907A2 EP2366907A2 (de) 2011-09-21
EP2366907A3 EP2366907A3 (de) 2012-02-29
EP2366907B1 true EP2366907B1 (de) 2015-07-29

Family

ID=44310844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11157484.4A Active EP2366907B1 (de) 2010-03-15 2011-03-09 Radial-Lüfterrad-Anordnung

Country Status (8)

Country Link
US (1) US8807949B2 (hu)
EP (1) EP2366907B1 (hu)
JP (1) JP5975557B2 (hu)
CN (1) CN102192187B (hu)
CA (1) CA2733584C (hu)
DE (1) DE102010011526A1 (hu)
ES (1) ES2546414T3 (hu)
HU (1) HUE025792T2 (hu)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA107094C2 (xx) 2009-11-03 2014-11-25 Відцентровий стельовий вентилятор
US8776394B2 (en) 2011-10-04 2014-07-15 Whirlpool Corporation Blower for a laundry treating appliance
HUE028059T2 (hu) 2011-10-12 2016-11-28 Ebm Papst Mulfingen Gmbh & Co Kg Kiegyensúlyozó súly légfúvó kerékhez
TWI556553B (zh) * 2012-07-05 2016-11-01 佛山市建準電子有限公司 馬達減震基座
DE202012103554U1 (de) 2012-09-18 2013-12-20 Ebm-Papst Mulfingen Gmbh & Co. Kg Laufrad mit Wuchtausgleich
KR20140062779A (ko) * 2012-11-15 2014-05-26 삼성전기주식회사 임펠러 및 이를 포함하는 전동 송풍기
US10012236B2 (en) * 2013-03-15 2018-07-03 Regal Beloit America, Inc. Fan
CN109773635A (zh) * 2013-07-12 2019-05-21 南京德朔实业有限公司 手持式砂光机
EP2846046B1 (de) * 2013-09-10 2017-11-15 punker GmbH Ventilatorrad
CN106795889B (zh) * 2014-08-13 2019-06-28 赛塔解决方案股份有限公司 离心式吊扇
CN106471259A (zh) * 2014-10-22 2017-03-01 广东泛仕达机电有限公司 斜流风机
KR102104513B1 (ko) * 2014-12-05 2020-04-27 주식회사 에스 씨디 송풍용 원심팬
USD772392S1 (en) * 2015-02-11 2016-11-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Fanwheel
US10428835B2 (en) * 2015-04-01 2019-10-01 Mitsubishi Electric Corporation Fan and air-conditioning apparatus
CN105090107A (zh) * 2015-07-21 2015-11-25 依必安派特风机(上海)有限公司 后向离心风机叶轮以及离心风机
USD806225S1 (en) * 2015-12-11 2017-12-26 Delta Electronics, Inc. Fan
DE202015106910U1 (de) 2015-12-17 2016-01-14 Ebm-Papst Mulfingen Gmbh & Co. Kg Kantenberandung eines Rotationselements und Gebläserad
DE102015122132A1 (de) 2015-12-17 2017-06-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Kantenberandung eines Rotationselements und Gebläserad
USD821561S1 (en) * 2016-03-21 2018-06-26 Ebm-Papst Mulfingen Gmbh & Co. Kg Fan wheel
USD809643S1 (en) * 2016-04-07 2018-02-06 Ebm-Papst Mulfingen Gmbh & Co. Kg Blower wheel disc
DE102016210454A1 (de) * 2016-06-14 2017-12-14 MTU Aero Engines AG Wuchtgewicht für eine Laufschaufel einer Turbinenstufe
USD949315S1 (en) 2016-06-24 2022-04-19 Ebm-Papst Mulfingen Gmbh & Co. Kg Vane damper with trailing edge
US10655634B2 (en) * 2017-06-30 2020-05-19 Borgwarner Inc. Multi-piece compressor wheel
US10907477B2 (en) 2018-06-18 2021-02-02 Raytheon Technologies Corporation Clip and pin balance for rotor
CN114458617B (zh) * 2022-01-24 2024-05-07 广东顺威精密塑料股份有限公司 一种离心风扇

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DE8806991U1 (hu) * 1988-05-28 1988-08-11 Noske-Kaeser Gmbh, 2000 Hamburg, De
DE4136293B4 (de) * 1990-11-03 2004-08-26 Papst Licensing Gmbh & Co. Kg Laufrad für ein Gebläse, insbesondere Radialgebläse
FR2703111B1 (fr) * 1993-03-25 1995-06-30 Ozen Sa Rotor pour pompe comportant deux pieces assemblees par soudure, obtenues par moulage par injection de materiaux thermoplastiques, et procede de fabrication d'un tel rotor .
US6156090A (en) 1997-10-03 2000-12-05 Hitachi, Ltd. Air cleaner having vanes with a winglike cross-section between a shroud and baseplate for rotation within a housing
JPH11270494A (ja) * 1998-03-25 1999-10-05 Hitachi Ltd 送風機の羽根車
US5927947A (en) * 1997-12-08 1999-07-27 Ford Motor Company Dynamically balanced centrifugal fan
JPH11210690A (ja) * 1998-01-30 1999-08-03 Daikin Ind Ltd ターボ送風機
DE19957030A1 (de) * 1999-11-26 2001-05-31 Bosch Gmbh Robert Klammer zum Auswuchten
JP2002054594A (ja) * 2000-08-08 2002-02-20 Daikin Ind Ltd 遠心ファン
KR100460587B1 (ko) * 2002-04-19 2004-12-09 삼성전자주식회사 터보팬 및 그 제조용 금형
US7305905B2 (en) * 2004-01-09 2007-12-11 The Bergquist Torrington Company Rotatable member with an annular groove for dynamic balancing during rotation
JP4333616B2 (ja) * 2005-03-28 2009-09-16 トヨタ自動車株式会社 回転体バランス修正部材および回転体バランス修正方法
JP4976791B2 (ja) * 2006-09-08 2012-07-18 東プレ株式会社 遠心ファン用羽根車
JP2008082212A (ja) * 2006-09-26 2008-04-10 Nippon Densan Corp 送風ファン
JP4978495B2 (ja) * 2008-02-08 2012-07-18 株式会社デンソー 遠心式多翼ファン
JP2010031664A (ja) * 2008-07-25 2010-02-12 Denso Corp 遠心式多翼ファン
US8353670B2 (en) * 2009-07-30 2013-01-15 Pratt & Whitney Canada Corp. Axial balancing clip weight for rotor assembly and method for balancing a rotor assembly

Also Published As

Publication number Publication date
US8807949B2 (en) 2014-08-19
CN102192187B (zh) 2016-04-06
ES2546414T3 (es) 2015-09-23
CN102192187A (zh) 2011-09-21
CA2733584C (en) 2017-10-31
US20110223007A1 (en) 2011-09-15
DE102010011526A1 (de) 2011-09-15
JP2011190806A (ja) 2011-09-29
HUE025792T2 (hu) 2016-05-30
EP2366907A2 (de) 2011-09-21
CA2733584A1 (en) 2011-09-15
EP2366907A3 (de) 2012-02-29
JP5975557B2 (ja) 2016-08-23

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