EP1712800B1 - Roue de ventilateur - Google Patents

Roue de ventilateur Download PDF

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Publication number
EP1712800B1
EP1712800B1 EP06007889A EP06007889A EP1712800B1 EP 1712800 B1 EP1712800 B1 EP 1712800B1 EP 06007889 A EP06007889 A EP 06007889A EP 06007889 A EP06007889 A EP 06007889A EP 1712800 B1 EP1712800 B1 EP 1712800B1
Authority
EP
European Patent Office
Prior art keywords
ring
fan wheel
wheel according
hub
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
EP06007889A
Other languages
German (de)
English (en)
Other versions
EP1712800A1 (fr
Inventor
Ulrich Vidal
Martin Hertreiter
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 Landshut GmbH
Original Assignee
Ebm Papst Landshut GmbH
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 Landshut GmbH filed Critical Ebm Papst Landshut GmbH
Publication of EP1712800A1 publication Critical patent/EP1712800A1/fr
Application granted granted Critical
Publication of EP1712800B1 publication Critical patent/EP1712800B1/fr
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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
    • 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 invention relates to a fan with a hub and with a plurality of radially outwardly extending from the hub wings and with a coaxial with the hub and radially disposed between the hub and the outer diameter of the impeller ring.
  • Generic fan wheels are often used for cooling and dissipation of the resulting heat loss in electric motors and their electronic components.
  • a generic fan is, for example, from the EP 0 761 979 A1 known.
  • the fan has a coaxial with the hub and radially disposed between the hub and the outer diameter of the impeller, ring on. This contributes to the stabilization of the fan wheel and the stiffening of the circumferentially spaced wings.
  • the known fan wheel has, in addition to the ring on a second ring which extends along the outer diameter of the fan wheel. The document does not explain how balancing weights can be attached to the fan wheel. Balancing the fan wheel, however, is desirable to extend the life and reduce running noise.
  • the DE 1 960 505 shows a device for balancing the impellers of air blowers. From the document it is known to provide circumferentially displaceable balance weights on the wings of the air blower.
  • brackets are provided with a peripheral ring provided on the outer diameter, in which for balancing purposes formed as brackets balancing weights are attached to the smooth peripheral ring.
  • the disadvantage here is that the brackets can be moved in an acceleration of the fan in your position.
  • the invention is based on the object to form a fan so that it is stable and on the other hand with good results ausuchtbar.
  • the invention is based on the idea to provide means for the defined attachment of balancing weights in different positions on a stabilizing or stiffening ring, which is radially spaced both from the outer diameter of the fan wheel and from the hub.
  • a stabilizing or stiffening ring which is radially spaced both from the outer diameter of the fan wheel and from the hub.
  • Another advantage of the invention is that the negative effects of weight tolerances of the balance weights less significant on the balancing result than if the balancing weights were attached to the outer diameter of the fan wheel.
  • a particularly expedient embodiment is provided by the fact that the defined attachment positions are formed by a profiling of the ring. If the fan is made of plastic as an injection molded part, the profiling can be formed directly in the manufacture of the fan wheel.
  • the profiling of the ring is designed as sawtooth profiling.
  • the angles of all flanks to the ring should be the same size.
  • a balancing weight designed as a clamp can be clamped between the saw teeth. Due to the sloping flanks of the profiling a displacement of the clip in the circumferential direction is not possible.
  • Another possibility for fastening is to form the balance weights complementary to the profile in order to achieve an improved positive connection between profiling and balancing weights.
  • the profiling is provided on the outside of the ring. Due to the large circumference on the outside of the ring, a plurality of defined mounting positions can be provided on the ring. Of course, it is also conceivable, additionally or alternatively, to provide a profiling on the side of the ring facing the hub and / or on its side surfaces.
  • the mounting positions are formed as mounting holes distributed over the circumference of the ring. With appropriate design of the balancing weights they can be inserted into the holes and secured therein. Thus, a subsequent displacement of the balance weights is avoided.
  • the balance weights can also be accommodated in receiving pockets distributed over the circumference of the ring.
  • a good delivery rate is achieved when the wings extend continuously from the hub to the outer diameter of the fan wheel.
  • the wings are divided into two groups of wings, namely a first group of wings, which extends radially between the hub and the ring, and a second group, which extends radially between the Ring and the outer diameter of the fan wheel extends.
  • the wings of different groups can be arranged offset from one another in the circumferential direction.
  • the wings are mounted directly on the shaft of an electric motor, so if the hub is formed by the shaft. In this way, the fan can be particularly easily formed integrally with the shaft, whereby the provision of a separate hub is avoided.
  • the balancing weight can be fastened detachably, that is, for example, designed as a bendable clamp.
  • the balancing weight is complementary in shape to a peripheral portion of the profiling.
  • this second ring is ideally arranged on the outer diameter of the fan wheel.
  • a fan 1 is shown in plastic.
  • the fan 1 can be used for example for cooling of electric motors and their electronic components.
  • the fan wheel 1 is arranged with an in the center of a hub 2, axially enjoyingrekkenden Mounting hole 3 is placed on the shaft of a motor and secured against rotation relative to the shaft.
  • the fan 1 has five evenly distributed over the circumference, extending from the hub 2 radially outwardly extending wings 4. All wings 4 are designed identically, curved in the circumferential direction and employed at an angle to the central axis 5 of the fan wheel 1.
  • closed ring 7 is provided for stabilization and stiffening of the wings 4 a integrally formed with the wings 4, closed ring 7 is provided.
  • the flat, circular ring 7 extends in the circumferential direction and is arranged coaxially to the hub 2 and radially between the hub 2 and the outer diameter 6 of the fan wheel 1.
  • the ring 7 can widen immediately adjacent to the wings to about the width of the wings 4, whereby the stability and the resistance to breakage of the fan wheel 1 is increased.
  • the diameter of the ring 7 corresponds in the illustrated embodiment about half the fan diameter, but can also be selected smaller or larger depending on the wheel diameter.
  • the ring 7 On its outer side 8, the ring 7 is provided with a sawtooth-like profiling 9 with circumferentially alternating teeth 10 and tooth spaces 11.
  • the tooth gaps 11 define attachment positions 12 for attachment of balance weights, not shown.
  • balancing weights for example Metällklammem can be used, which are inserted into one or more tooth gaps 11 laterally and abut the inner side 13 and on the outer side 8 of the ring 7 and clamp this.
  • the profiling 9 is designed such that the teeth 10 form triangular triangles. It is particularly advantageous if the balance weights for forming a positive connection with the ring 7, at least in partial sections, are complementary in shape to the profiling 9, ie have at least one tooth 10 or one tooth gap 11 in the present case.
  • the profiling 9 is provided exclusively on itself between the wings 4 extending peripheral portions 14 of the ring 7.
  • the wings 4 of the fan wheel 1 extend continuously from the hub 2 to the outer diameter 6 of the fan wheel 1. Along the outer periphery of the fan wheel 1 extends second, closed ring 15. This additionally increases the stability and rigidity of the fan wheel 1 and closes this radially outward.
  • Fig. 2 is a section of the fan 1 shown enlarged.
  • the depth of the tooth gaps 11 corresponds to about a quarter of the thickness of the ring. 7

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (16)

  1. Roue de ventilateur (1) avec un moyeu (2) ainsi que plusieurs pales (4) s'étendant radialement depuis le moyeu (2) vers l'extérieur et une bague (7) disposée coaxialement au moyeu (2) ainsi que radialement entre le moyeu (2) et le diamètre externe (6) de la roue de ventilateur (1),
    caractérisée en ce que la bague (7) présente plusieurs positions de fixation (12) définies, réparties sur la périphérie de la bague pour l'application d'au moins un poids d'équilibrage.
  2. Roue de ventilateur selon la revendication 1, caractérisée en ce que les positions de fixation (12) sont formées par un profilage (9) de la bague (7).
  3. Roue de ventilateur selon la revendication 2, caractérisée en ce que le profilage (9) est prévu exclusivement entre les pales (4) placées à distance dans le sens périphérique.
  4. Roue de ventilateur selon l'une des revendications 2 ou 3, caractérisée en ce que le profilage (9) de la bague est réalisé come un profilage en dent de scie, au moins par sections périphérique.
  5. Roue de ventilateur selon l'une des revendications 2 à 4, caractérisée en ce que le profilage (9) est prévu sur la face externe (8) de la bague.
  6. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que les positions de fixation (12) sont formées par des perçages de fixation répartis sur la périphérie de la bague (7).
  7. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que les positions de fixation (12) sont formées par des poches de réception réparties sur la périphérie de la bague (7).
  8. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que la bague (7) est fermée dans le sens périphérique.
  9. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que le diamètre de la bague (7) correspond à la moitié du diamètre de la roue de ventilateur.
  10. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que les pales (4) s'étendent en continu depuis le moyeu (2) jusqu'au diamètre externe (6) de la roue de ventilateur (1).
  11. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce que le moyeu (2) est réalisé comme un arbre en particulier d'un moteur.
  12. Roue de ventilateur selon l'une des revendications précédentes, caractérisée en ce qu'un poids d'équilibrage est fixé particulièrement de manière amovible sur la bague (7).
  13. Roue de ventilateur selon la revendication 12, caractérisée en ce que le poids d'équilibrage est réalisé comme une patte.
  14. Roue de ventilateur selon l'une des revendications 12 ou 13, caractérisée en ce que le poids d'équilibrage est réalisé en complémentarité de forme avec une section périphérique du profilage (9).
  15. Roue de ventilateur selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu en plus de la bague (7) une seconde bague (15) disposée coaxialement à la bague (7).
  16. Roue de ventilateur selon la revendication 15, caractérisé en ce que la seconde bague (15) en particulier fermée est disposée sur le diamètre externe de la roue de ventilateur.
EP06007889A 2005-04-14 2006-04-13 Roue de ventilateur Active EP1712800B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520006043 DE202005006043U1 (de) 2005-04-14 2005-04-14 Lüfterrad

Publications (2)

Publication Number Publication Date
EP1712800A1 EP1712800A1 (fr) 2006-10-18
EP1712800B1 true EP1712800B1 (fr) 2010-10-27

Family

ID=34877884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007889A Active EP1712800B1 (fr) 2005-04-14 2006-04-13 Roue de ventilateur

Country Status (6)

Country Link
US (1) US20060233646A1 (fr)
EP (1) EP1712800B1 (fr)
AT (1) ATE486223T1 (fr)
DE (2) DE202005006043U1 (fr)
ES (1) ES2354656T3 (fr)
PT (1) PT1712800E (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module
US10851993B2 (en) 2011-12-15 2020-12-01 Honeywell International Inc. Gas valve with overpressure diagnostics
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054251B4 (de) * 2005-11-11 2015-01-15 Sew-Eurodrive Gmbh & Co Kg Elektromotor
CN101139996B (zh) * 2006-09-07 2012-01-04 台达电子工业股份有限公司 风扇及其叶轮
MX2010009171A (es) * 2008-02-22 2010-11-12 Horton Inc Fabricacion y ensamblaje de ventilacion.
US20120219419A1 (en) * 2011-02-28 2012-08-30 Wen-Hao Liu Round axial fan with balancing structure
US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
US9835265B2 (en) 2011-12-15 2017-12-05 Honeywell International Inc. Valve with actuator diagnostics
ITBO20120042A1 (it) * 2012-01-31 2013-08-01 Comex Europ S R L Dispositivo a ventola
US10422531B2 (en) 2012-09-15 2019-09-24 Honeywell International Inc. System and approach for controlling a combustion chamber
US9200637B2 (en) 2012-10-31 2015-12-01 Apple Inc. Method for correction of impeller unbalance of a cooling fan
CN203453120U (zh) * 2013-09-03 2014-02-26 讯凯国际股份有限公司 风扇及其风扇叶轮
US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
US10503181B2 (en) 2016-01-13 2019-12-10 Honeywell International Inc. Pressure regulator
CN106640758B (zh) * 2017-01-16 2023-03-14 广东美的制冷设备有限公司 一种双风道风轮
US11884128B2 (en) 2017-12-18 2024-01-30 Carrier Corporation Fan stator construction to minimize axial depth

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JPS5688992A (en) * 1979-12-21 1981-07-18 Aisin Seiki Co Ltd Axial fan for cooling internal combustion engine
GB2161109B (en) * 1984-07-07 1988-12-21 Rolls Royce Integral bladed member
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US5380156A (en) * 1993-04-12 1995-01-10 Iacovino; Robert Ceiling fan balance apparatus
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
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US6302650B1 (en) * 1999-12-23 2001-10-16 Borgwarner Inc. Molded cooling fan
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10697632B2 (en) 2011-12-15 2020-06-30 Honeywell International Inc. Gas valve with communication link
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US10851993B2 (en) 2011-12-15 2020-12-01 Honeywell International Inc. Gas valve with overpressure diagnostics
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module

Also Published As

Publication number Publication date
DE202005006043U1 (de) 2005-08-18
ES2354656T3 (es) 2011-03-16
EP1712800A1 (fr) 2006-10-18
DE502006008160D1 (de) 2010-12-09
US20060233646A1 (en) 2006-10-19
PT1712800E (pt) 2011-01-14
ATE486223T1 (de) 2010-11-15

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