EP0912832B1 - Ventilateur radial - Google Patents

Ventilateur radial Download PDF

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Publication number
EP0912832B1
EP0912832B1 EP98919173A EP98919173A EP0912832B1 EP 0912832 B1 EP0912832 B1 EP 0912832B1 EP 98919173 A EP98919173 A EP 98919173A EP 98919173 A EP98919173 A EP 98919173A EP 0912832 B1 EP0912832 B1 EP 0912832B1
Authority
EP
European Patent Office
Prior art keywords
guide ring
radial fan
air guide
fan according
gap
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.)
Expired - Lifetime
Application number
EP98919173A
Other languages
German (de)
English (en)
Other versions
EP0912832A1 (fr
Inventor
Michael Ehlers
Bernhard Stephan
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP0912832A1 publication Critical patent/EP0912832A1/fr
Application granted granted Critical
Publication of EP0912832B1 publication Critical patent/EP0912832B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant

Definitions

  • the invention relates to a radial fan, in particular as a fan for the cooling system of a motor vehicle, comprising an impeller with radial blades, a nozzle-shaped cover disk, an air guide ring attached to it, an impeller base and a stationary inlet nozzle.
  • the object of the invention is to propose a centrifugal fan, in particular as a fan for the cooling system of a vehicle, which permits significantly greater tolerances between the rotating impeller and the stationary inlet nozzle without significantly reducing the efficiency of the fan.
  • the air gap causing the gap flow between the cover plate and a rotating air guide ring is formed.
  • the air gap should be evenly dimensioned over the entire circumference.
  • the air guide ring of a first variant has a lower, partially circular section facing the cover plate and an approximately vertical section positioned between the cover plate and the stationary inlet nozzle.
  • the air guide ring of a second variant additionally has an approximately horizontal section which adjoins the vertical section at the top and faces the inlet nozzle.
  • the horizontal section of the air guide ring and the entire air guide ring are at a clear distance from the stationary inlet nozzle, so that this makes it possible to compensate for tolerances between the rotating and fixed parts of the radial fan without noticeably reducing the fan efficiency.
  • This gap or distance of the air guide ring from the inlet nozzle is provided with suitable covers, which are specified in claims 9 to 11.
  • the different versions of the cover depend on which embodiment of the air guide ring is selected.
  • elastic elements for example brushes, rubber elements or the like, are arranged either on the inflow nozzle or on the vertical section of the air guide ring.
  • the other embodiment has an annular part arranged around the inflow nozzle.
  • the minimal air gap causing the gap flow between the cover plate and the moving air guide ring remains constant despite possible movements between the fixed and the rotating parts and can therefore also its positive effects, which consist in preventing the surface flow from being torn off at the cover plate unfold. It is also advantageous if this gap between the cover plate and the air guide ring narrows towards the impeller, because this leads to a nozzle effect, which improves the effect described above.
  • the gap width can preferably be between 2 and 5 mm.
  • connection between the cover plate and the rotating air guide ring can be a detachable connection, for example a screw connection, or also a non-detachable connection, for example a welded connection or adhesive connection.
  • Corresponding connecting webs are provided around the circumference.
  • the good efficiency of the radial fan is further supported by the fact that the collar-shaped end of the inlet nozzle, which directs the air from the suction side to the pressure side, has a quarter-circle cross section or is somewhat smaller than the quarter circle.
  • the tangent of the quarter circle in turn strikes the part-circular lower section of the air guide ring.
  • the tangent of the part-circular section of the air guide ring is strict with the part-circular section of the cover plate.
  • the box-like cooling system 2 here consists, for example, of an upper charge air cooler 23, of coolant coolers 24 arranged on the right and left and oil cooler 25 and condenser 26 arranged below, which are arranged one behind the other in the air flow direction.
  • Such cooling systems are often found in larger motor vehicles.
  • the radial fan 1 is driven by the motor 27 of the motor vehicle. In the present case, the torque is transmitted to the radial fan 1 via a V-belt drive 28. In other applications, the radial fan 1 can be connected directly to the crankshaft of the engine 27 via a clutch.
  • the direct drive from the motor 27 to the radial fan 1 is the cheapest option in terms of energy economy.
  • this variant requires a larger distance (gap 18) between stationary and rotating parts because of temperature fluctuations and vibrations caused by the running of the engine lead to changes in position that must be compensated. Logically, it must not come into contact with the parts and the performance of the radial fan 1 must not suffer significantly because otherwise it would not be ensured that the projected cooling output would also be achieved in phases of the greatest cooling requirement. The following description takes all of this into account.
  • FIGS. 3 to 6 the area marked "X" in FIG. 1 is of great importance and is shown in FIGS. 3 to 6 as a sectional illustration in two variants.
  • the reference numeral 18 denotes the gap, which now permits a significantly greater tolerance compensation between the stationary inflow nozzle 8 and the impeller 3 with the co-rotating guide ring 6 than in State of the art is the case.
  • FIGS. 3 to 6 the same parts have the same reference numerals, which for the sake of clarity have only been given in full in FIG. 3.
  • the air guide ring 6 consists of the lower circular section 11, the vertical section 13 and the upper horizontal section 14.
  • connecting webs 21 are arranged between the cover plate 5 and the air guide ring 6.
  • Several of such connecting webs 21 are provided distributed uniformly around the circumference. Only one connecting web 21 is shown in the sectional views. It is understood that the cross section, not shown, of the connecting webs 21 has a streamlined shape.
  • the narrowing air gap 10 between the air guide ring 6 and the cover disk 5 can be seen.
  • the width of the air gap should be 3 mm. This provides a good suction effect for the partial air flow flowing out of the impeller 3 from above.
  • the partial air flow which is actually to be regarded as a loss of power and occurs in all radial fans, is returned to the main flow via the air gap 10.
  • the return takes place in such a way that the partial air flow is conducted along the inner surface of the cover plate 5. This largely prevents turbulence in the air flow.
  • the tangent 16 of the part-circular collar 15 of the inlet nozzle 8 is in alignment with the part-circular section 11 of the air guide ring 6.
  • the tangent 17 of the part-circular section 11 is approximately aligned with the part circle 12 of the cover plate 5.
  • FIGS. 4 to 6 different options for gap covers have been drawn in FIGS. 4 to 6.
  • Fig. 4 is the annular cover Part 19 provided that is arranged around the collar 15 of the inflow nozzle 8.
  • the annular part 19 can be a resilient plastic.
  • FIG. 6 shows an elastic gap cover 20.
  • This is a ring made of rubber. This ring has a slightly larger diameter than the diameter formed by the upper horizontal section 14 of the race 6. The ring is fastened to the inflow nozzle 8 and extends in the axial direction over the end of the horizontal section 14.
  • FIG. 5 shows the advantageous variant in which the air guide ring 6 consists only of the vertical section 13 and the lower part-circular section 11.
  • This air guide ring 6 has lower manufacturing costs with comparable good effects.
  • an elastic cover 20 consisting of brush-like parts is provided, which is arranged in a ring.
  • This cover 20 is also attached to the inflow nozzle 8 and extends in the axial direction up to the vertical section 13 of the air guide ring 6.

Landscapes

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

Claims (11)

  1. Ventilateur radial (1), plus particulièrement sous la forme d'un ventilateur pour le circuit de refroidissement (2) d'un véhicule automobile, comprenant un rotor (3) avec des pales radiales (4), une plaque de protection (5) en forme de buse, une bague chicane (6) fixée sur celle-ci, un fond de rotor (7) ainsi qu'une buse d'admission fixe (8), caractérisé en ce qu'une fente de passage d'air radiale (10) est formée entre la plaque de protection (5) et la bague chicane (6) qui tourne avec elle.
  2. Ventilateur radial selon la revendication 1, caractérisé en ce que la fente de passage d'air radiale (10) est formée par le chevauchement entre la plaque de protection (5) et la bague chicane (6) et s'étend de manière conique de préférence en forme de buse vers le rotor (3) et présente en son extrémité (9) une largeur comprise entre 2 et 5 mm qui est de préférence constante sur tout le pourtour.
  3. Ventilateur radial selon les revendications 1 et 2, caractérisé en ce que plusieurs montants de liaison (21) sont répartis sur le pourtour entre la bague chicane (6) et la plaque de protection (5).
  4. Ventilateur radial selon l'une des revendications 1 à 3, caractérisé en ce que la bague chicane (6), vue en section transversale, possède une section inférieure (11) approximativement en arc de cercle dirigée vers la plaque de protection (5), une section approximativement verticale (13) positionnée entre la sortie de la plaque de protection (5) et la buse d'admission fixe (8) et une section supérieure approximativement horizontale (14) dirigée vers la buse d'admission (8).
  5. Ventilateur radial selon la revendication 4, caractérisé en ce qu'il est prévu un chevauchement entre l'extrémité de la section en arc de cercle (15) de la buse d'admission fixe (8) et la section supérieure horizontale (14) de la bague chicane (6).
  6. Ventilateur radial selon l'une des revendications 1 à 3, caractérisé en ce que la bague chicane (6), vue en section transversale, présente une section inférieure approximativement en arc de cercle (11) dirigée vers la plaque de protection (5) et une section approximativement verticale (13) positionnée entre la sortie de la plaque de protection (5) et la buse d'admission fixe (8).
  7. Ventilateur radial selon l'une des revendications précédentes, caractérisé en ce que l'extrémité (15) en forme de collet de la buse d'admission fixe (8) présente une section transversale en forme de quart de cercle ou légèrement plus petite qu'un quart de cercle.
  8. Ventilateur radial selon l'une des revendications précédentes, caractérisé en ce que la tangente (16) du quart de cercle est dans l'alignement de la section inférieure en arc de cercle (11) de la bague chicane (6) et sa tangente (17) vient à fleur avec la section en arc de cercle (12) de la plaque de protection (5).
  9. Ventilateur radial selon l'une des revendications précédentes, caractérisé en ce que des moyens souples et/ou rigides sont prévus dans la fente (18) entre la buse d'admission fixe (8) et la bague chicane (6) qui tourne avec elle pour recouvrir (19 ; 20) la fente (18).
  10. Ventilateur radial selon la revendication 9, caractérisé en ce qu'une pièce de forme annulaire (19) est disposée autour de l'extrémité (15) de la buse d'admission fixe (8).
  11. Ventilateur radial selon la revendication 9, caractérisé en ce qu'un recouvrement de fente souple (20) englobant tout le pourtour est disposé au niveau de la buse d'admission (8) ou au niveau de la bague chicane (6) qui tourne avec elle.
EP98919173A 1997-04-03 1998-03-27 Ventilateur radial Expired - Lifetime EP0912832B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19713712 1997-04-03
DE19713712A DE19713712C1 (de) 1997-04-03 1997-04-03 Radialventilator, insbesonders als Lüfter für die Kühlanlage eines Kraftfahrzeuges
PCT/EP1998/001819 WO1998045600A1 (fr) 1997-04-03 1998-03-27 Ventilateur radial

Publications (2)

Publication Number Publication Date
EP0912832A1 EP0912832A1 (fr) 1999-05-06
EP0912832B1 true EP0912832B1 (fr) 2003-09-10

Family

ID=7825302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98919173A Expired - Lifetime EP0912832B1 (fr) 1997-04-03 1998-03-27 Ventilateur radial

Country Status (6)

Country Link
US (1) US6164909A (fr)
EP (1) EP0912832B1 (fr)
JP (1) JP2000513067A (fr)
DE (2) DE19713712C1 (fr)
ES (1) ES2206921T3 (fr)
WO (1) WO1998045600A1 (fr)

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DE59904721D1 (de) 1999-04-16 2003-04-30 Modine Mfg Co Kühlanlage
DE19950753A1 (de) * 1999-10-21 2001-04-26 Modine Mfg Co Kühlanlage I
DE19950754A1 (de) * 1999-10-21 2001-04-26 Modine Mfg Co Kühlanlage II
DE19950755A1 (de) * 1999-10-21 2001-04-26 Modine Mfg Co Kühlanlage III
DE10018090A1 (de) 2000-04-12 2001-11-29 Modine Mfg Co Ventilatorantrieb
DE10041794A1 (de) * 2000-09-16 2002-03-07 Modine Mfg Co Kühleranordnung und Kühler
DE10041795A1 (de) * 2000-08-25 2002-04-25 Modine Mfg Co Kühleranordnung
US6749007B2 (en) * 2000-08-25 2004-06-15 Modine Manufacturing Company Compact cooling system with similar flow paths for multiple heat exchangers
DE50110438D1 (de) * 2000-08-25 2006-08-24 Modine Mfg Co Kühleranordnung
US6354096B1 (en) * 2000-10-20 2002-03-12 Nicholas R. Siler Vehicular cooling system
DE10119591A1 (de) * 2001-04-21 2002-10-24 Modine Mfg Co Kühlanlage für Kraftfahrzeuge
DE10120483A1 (de) * 2001-04-25 2002-10-31 Modine Mfg Co Anordnung zur Kühlung
DE10233626B4 (de) * 2001-07-25 2019-03-21 Denso Corporation Frontend-Aufbau für ein Fahrzeug
EP1284343B1 (fr) * 2001-08-17 2008-07-30 Behr GmbH & Co. KG Système de refroidissement pour un véhicule automobile et véhicule automobile correspondant
US6695047B2 (en) * 2002-01-28 2004-02-24 Jon P. Brocksopp Modular temperature control system
AT6106U1 (de) * 2002-03-14 2003-04-25 Avl List Gmbh Brennkraftmaschine mit zweistufiger aufladung
US20040076514A1 (en) * 2002-10-16 2004-04-22 Sunonwealth Electric Machine Industry Co., Ltd. Suspension type heat-dissipation fan
DE202004000733U1 (de) * 2004-01-19 2005-06-09 Riese, Wolfgang Kühlvorrichtung, insbesondere zum Kühlen von Druckluft
DE102004055023B4 (de) * 2004-11-15 2015-06-25 Siemens Aktiengesellschaft Kühlmittelförderrad mit Injektor-Saugdüse
DE102006037641B4 (de) * 2006-08-10 2019-04-04 Mahle International Gmbh Kühlvorrichtung eingerichtet für ein Kraftfahrzeug mit einem Kühlmittelkühler und einem Axiallüfter
US7992664B2 (en) * 2008-09-23 2011-08-09 Kunststoff Schwanden Ag Jalousie for a vehicle
JP5424245B2 (ja) * 2009-08-10 2014-02-26 有限会社 ブリーズエコー 遠心送風機、遠心多段型圧縮機および遠心ポンプ
KR101833935B1 (ko) * 2011-02-22 2018-03-05 삼성전자주식회사 공기조화기의 터보팬
US8590650B2 (en) * 2011-04-01 2013-11-26 Agco Corporation Cooling package assembly for work vehicles
US9493903B2 (en) * 2014-10-27 2016-11-15 Haier Us Appliance Solutions, Inc. Impeller assembly for an appliance
US10723196B2 (en) * 2016-12-16 2020-07-28 Air International (Us) Inc. HVAC system inlet assembly
DE102017110642A1 (de) * 2017-05-16 2018-11-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Gebläseanordnung mit Strömungsteilungsdüse
DE102019201269A1 (de) * 2019-01-31 2020-08-06 hpf - high pressure fans GmbH Hochdruckradialventilator

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Also Published As

Publication number Publication date
DE59809554D1 (de) 2003-10-16
JP2000513067A (ja) 2000-10-03
DE19713712C1 (de) 1998-04-16
US6164909A (en) 2000-12-26
ES2206921T3 (es) 2004-05-16
WO1998045600A1 (fr) 1998-10-15
EP0912832A1 (fr) 1999-05-06

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