EP0912832A1 - Ventilateur radial - Google Patents

Ventilateur radial

Info

Publication number
EP0912832A1
EP0912832A1 EP98919173A EP98919173A EP0912832A1 EP 0912832 A1 EP0912832 A1 EP 0912832A1 EP 98919173 A EP98919173 A EP 98919173A EP 98919173 A EP98919173 A EP 98919173A EP 0912832 A1 EP0912832 A1 EP 0912832A1
Authority
EP
European Patent Office
Prior art keywords
guide ring
section
radial fan
cover plate
air guide
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
EP98919173A
Other languages
German (de)
English (en)
Other versions
EP0912832B1 (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
Laengerer and Reich GmbH and 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 Laengerer and Reich GmbH and Co filed Critical Laengerer and Reich GmbH and 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 cover disk shaped like a nozzle, an air duct attached to it, an impeller base and a stationary inlet nozzle of the prior art
  • the air gap must be chosen so large that these tolerances can be compensated, or contact between the parts is prevented with certainty. This in turn significantly affects the efficiency of the fan, because the power losses caused by the gap being too large are enormous.
  • auxiliary blades and blade extensions do not provide sufficient remedy, because with a larger distance or gap, the distance between the auxiliary blades also increases, which significantly reduces their effect.Reliable covers are used here, which can reduce the losses due to the larger air gap - but they do nevertheless remain enormously large representation of the invention
  • the object of the invention is then to propose a centrifugal fan, in particular as an air fan for the cooling system of a vehicle, which allows significantly greater tolerances between the rotating impeller and the stationary inlet nozzle without significantly reducing the efficiency of the fan.
  • the solution according to the invention provides that the air gap causing the gap flow between of the cover plate and a rotating air duct.
  • the air gap should be uniformly dimensioned over the entire circumference.
  • the air duct of a first variant has in
  • the air duct of a second variant additionally has an approximately horizontal section adjoining the vertical section facing the inlet nozzle, so that the tolerance compensation between the rotating and fixed parts of the radial fan is possible without noticeably deteriorating the efficiency of the fan.
  • 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 line.
  • the other embodiment has a circular part arranged around the inflow nozzle
  • the most economical and most economical type of engine can be selected from the crankshaft of the engine, which has a positive effect on the overall energy balance of the vehicle or the system.
  • the minimal air gap between the cover plate and the air duct that follows causes the gap flow to remain despite possible movements between The fixed and rotating parts are always constant and can therefore also constantly develop their positive effects, which then consist in preventing the surface flow from breaking off at the cover plate. It is also advantageous if this gap between the cover plate and the air duct 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 co-rotating air duct 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 distributed 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 contracts with the part-circular lower section of the air duct.
  • the tangent of the part-circular section of the air guide ring with the part-circular section of the cover plate.
  • FIG. 2 cooling system with radial fan seen from behind FIG. 3 detail “X” from FIG. 1 in a first variant FIG. 4 like FIG. 3 - with a gap cover Fig. 5 detail "X” from Fig. 1 in a second variant - with gap cover Fig. 6 similar to Fig. 4 - with another gap cover
  • 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, which must be compensated. Logically, the parts must not come into contact with one another and the performance of the radial fan 1 must not suffer significantly because otherwise it would not be ensured that the projected cooling capacity would also be achieved in phases of greatest cooling demand. The following version takes all of this into account.
  • FIG. 1 the area marked “X” in FIG. 1 is of great importance and is shown in two variants as a sectional illustration in FIGS. 3 to 6.
  • the imaginary impeller axis 29 runs horizontally below each of FIGS. 3 to 6 with the reference symbol 18 is 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 is the case in the prior art.
  • 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 one circular section 11, vertical section 13 and upper horizontal section 14.
  • the partial air flow which should actually be regarded as a power loss and occurs with 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 directed 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 inflow 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 disk 5.
  • FIGS. 4 to 6 various options for gap covers have been drawn in FIGS. 4 to 6.
  • Fig. 4 is the circular cover Part 19 provided that is arranged around the collar 15 of the inflow nozzle 8.
  • Part 19 can be a compliant plastic.
  • FIG. 6 shows an elastic one
  • Gap cover 20 This is a rubber ring.
  • 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 to 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)

Abstract

L'invention concerne un ventilateur radial, s'utilisant notamment comme soufflante pour le système de refroidissement d'une automobile, qui comprend un rotor (3) muni d'ailettes radiales (4), un disque de recouvrement (5) sous forme de buse, une bague de guidage de l'air (6) fixée dessus, un fond de rotor, ainsi qu'une buse d'admission (8) fixe. Un tel ventilateur radial (1) doit avant tout autoriser une tolérance sensiblement plus importante entre les parties rotatives et les parties fixes, sans avoir pour autant à tenir compte de pertes de puissance sensibles. A cet effet, il est prévu une fente d'aération (10) axiale entre le disque de recouvrement (5) et la bague de guidage de l'air (6) qui tourne conjointement avec lui.
EP98919173A 1997-04-03 1998-03-27 Ventilateur radial Expired - Lifetime EP0912832B1 (fr)

Applications Claiming Priority (3)

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

Publications (2)

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

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2193617T3 (es) 1999-04-16 2003-11-01 Modine Mfg Co Sistema de refrigeracion.
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
DE19950753A1 (de) * 1999-10-21 2001-04-26 Modine Mfg Co Kühlanlage I
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
DE50110438D1 (de) * 2000-08-25 2006-08-24 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
DE10041795A1 (de) * 2000-08-25 2002-04-25 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
US8997906B2 (en) * 2011-04-01 2015-04-07 Agco Corporation Air mover reversing for work vehicle cooling package
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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DE1426866A1 (de) * 1963-01-21 1968-12-05 Junker Gmbh O Aussenbeschaufelung an den Laufraedern von Radialstroemungsmaschinen
FR1528797A (fr) * 1967-04-17 1968-06-14 Lyonnaise Ventilation Perfectionnements aux ventilateurs centrifuges
DE1905269C3 (de) * 1969-02-04 1974-04-11 Bruno Dr.-Ing. 5000 Koeln Eck Ventilator
US3642062A (en) * 1970-08-12 1972-02-15 Daimler Benz Ag Cooling installation for liquid colled internal combustion engine for driving in particular combat-type vehicles
AT364410B (de) * 1979-08-14 1981-10-27 Elin Union Ag Luefter fuer elektrische maschinen
JPS56118593A (en) * 1980-02-25 1981-09-17 Hitachi Ltd Blower
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DE4431840A1 (de) * 1994-09-07 1996-03-14 Behr Gmbh & Co Lüfter für eine Kühlanlage eines Kraftfahrzeugs
DE4431839A1 (de) * 1994-09-07 1996-03-14 Behr Gmbh & Co Lüfter für eine Kühlanlage eines Kraftfahrzeugs

Non-Patent Citations (1)

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Title
See references of WO9845600A1 *

Also Published As

Publication number Publication date
ES2206921T3 (es) 2004-05-16
DE19713712C1 (de) 1998-04-16
JP2000513067A (ja) 2000-10-03
EP0912832B1 (fr) 2003-09-10
DE59809554D1 (de) 2003-10-16
WO1998045600A1 (fr) 1998-10-15
US6164909A (en) 2000-12-26

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