EP2971632B1 - Châssis de ventilateur et module de ventilateur - Google Patents

Châssis de ventilateur et module de ventilateur Download PDF

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Publication number
EP2971632B1
EP2971632B1 EP14710840.1A EP14710840A EP2971632B1 EP 2971632 B1 EP2971632 B1 EP 2971632B1 EP 14710840 A EP14710840 A EP 14710840A EP 2971632 B1 EP2971632 B1 EP 2971632B1
Authority
EP
European Patent Office
Prior art keywords
fan
partition wall
fan housing
wall portion
region
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.)
Not-in-force
Application number
EP14710840.1A
Other languages
German (de)
English (en)
Other versions
EP2971632A1 (fr
Inventor
Nils Springer
Thomas Dreesen
Antje Findeisen
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE 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 Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Priority to PL14710840T priority Critical patent/PL2971632T3/pl
Publication of EP2971632A1 publication Critical patent/EP2971632A1/fr
Application granted granted Critical
Publication of EP2971632B1 publication Critical patent/EP2971632B1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P2005/025—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers using two or more air pumps

Definitions

  • the present invention relates to a fan cowl for a plurality of fan modules.
  • the invention further relates to a fan module.
  • a fan module in a motor vehicle is used for thermal management.
  • the fan module is typically provided on a radiator to transport airflow through the radiator to provide adequate cooling, e.g. in stop-and-go traffic if there is insufficient wind.
  • a fan module typically has an externally driven fan or fan that promotes and compresses air mostly by means of an impeller rotating in a frame.
  • double fan modules are sometimes used, which have at least two fans.
  • the structure and operation of such double fan modules z. B. in the DE 10 2004 034 733 A1 .
  • a double fan module often has a larger and a smaller fan. Furthermore, a fan frame is usually provided, in which the fans are supported side by side in a compact manner.
  • the present invention has the object to provide an improved fan cowl and an improved double fan module.
  • this object is achieved by a fan cowl with the features of claim 1 and / or by a double fan module solved with the features of claim 10.
  • the idea underlying the present invention is to provide a part of the fan circumference with a shielding device.
  • This part of the fan circumference is preferably located in the discharge area, ie on the pressure side or the side facing away from the suction side of the fan cowl between the first and the other fan.
  • the present invention is preferably used in a double fan module.
  • a web region of the outlet ring of a second, small fan in the region between the first, large fan and the second fan relative to the remaining region can be increased.
  • This web area thus forms a divider.
  • the same may alternatively be provided in two equally large fans and / or other fans.
  • an influencing of the fan flow of the small fan by the fan flows of the large fan is avoided, without having the disadvantages of a total continuous outlet ring on the small fan.
  • a reduction of those tonal noises is achieved, which can otherwise be caused mainly by the small fan. This is advantageously done without too much restriction on the air flow rate, i. without additional obstruction of the outflow.
  • the shielding device is designed as a dividing wall section which can be inserted into the fan frame.
  • This partition section or divider can thus also subsequently, that is, after the manufacture of the frame, are used in the same.
  • the partition wall section or separating web can be inserted, for example, by means of a suitable fit.
  • it can also be glued or clipped.
  • the partition wall section or divider can be retrofitted even with existing fan door frames.
  • variants can be made with and without divider during manufacture without, for example, changing the injection molds for the fan cowl.
  • the shielding device is designed as a partition wall section formed integrally with the fan frame.
  • the partition wall section or divider can be mitgeformt already during prototyping, in particular during injection molding, the fan cowl.
  • the separating section therefore does not have to be mounted in an additional working step, which simplifies production.
  • the partition wall section has a profiled upper edge.
  • the upper edge represents the dividing wall section or dividing web downstream end edge. This can for example be serrated or wavy or otherwise profiled.
  • the partition wall section extends in the intermediate region over an angle segment of 10 ° to 135 °, in particular from 30 ° to 60 °, to the first and / or further fan mount. In preferred embodiments, the angle is 40 ° to 50 °.
  • the partition wall section is formed in sections rounded and extends in sections arcuate along the angle segment. He forms a cylinder jacket surface section.
  • the partition wall section can also have a different design and shape, for example with straight or angled sections. According to the invention, the partition wall section extends in the region in which the first and the further outflow regions approach each other. This avoids that flows in the outflow areas influence each other adversely.
  • the partition wall section extends over a circular arc distance in the range of 5 cm to 25 cm, in particular in the range of 8 cm to 15 cm, around a circumference of the first and / or further fan mount.
  • the circular arc distance is 10-12 cm.
  • the projected length of the partition wall section is designated, which can be measured in a circular arc section with the fan axis as the center as the length of the partition wall section. It should be noted that by shaping, such as bends or the like, this length does not have to correspond to the actual length of the partition wall section.
  • the circular arc section is used only as a simplified measure. By virtue of the fact that the partition wall section extends over such a circular arc path around a circumference of the first and / or further support, sufficient shielding and / or separation of the first and further outflow regions is achieved.
  • the partition wall section is arranged between two fastening struts of the first or further fan mount.
  • the room, which between two fastening struts is free, is referred to as a bag.
  • the fastening struts have a certain height in the connection area to the frame. Thus arises between the attachment struts in this connection area an open space, which forms a pocket.
  • two fastening struts are arranged such that they are each located at one end of the intermediate region of the frame. In the pocket between these attachment struts then the partition wall portion is arranged.
  • additional pockets or more pockets between fastening struts may additionally be provided with a partition wall section.
  • the partition wall section extends to at least 50%, in particular to 70% - 100%, of an axial height of the fastening struts.
  • the axial height is measured parallel to the fan axis and can be, for example, 2 cm to 5 cm. In particularly preferred embodiments, the height of the attachment struts is 2.5 cm to 3 cm.
  • the partition wall portion has a sufficient height to shield the first and the further outflow area from each other.
  • the fan frame is designed as a plastic injection molded part.
  • the entire fan frame is preferably made in one piece.
  • multi-part embodiments are also conceivable.
  • the fan cowl according to the invention is designed according to the embodiments described above.
  • the shielding device is in the outflow direction of the first and / or formed further air flow extending partition wall section.
  • This partition section or divider preferably extends as an elevation in the axial direction of the fan. In this case, all embodiments of the fan module described with respect to the fan frame are possible.
  • the first fan has a larger diameter than the other fan.
  • different operating modes of the fan module are possible. If such a fan module is designed as a double fan module, it can be operated with three different operating modes: only with the smaller fan, only with the larger fan or with both fans. In typical operation mode, the dual fan module is operated with both fans, e.g. when a relatively high cooling capacity is needed.
  • the first fan has a higher drive and / or air output than the further fan. This may be provided as an alternative or in addition to a different diameter of the fan.
  • FIG. 1 shows a schematic representation of a fan frame according to the invention 1.
  • This has a first holder 2 and a further, preferably second holder 3, which are each designed to hold a fan in the fan frame 1.
  • the holders 2, 3 each have an edge region 6, 7 and fastening struts 10, 11.
  • the fastening struts 10, 11 open into a retaining ring, which is designed for fastening a fan.
  • an intermediate region 4 is provided in the frame 1, which connects the edge regions 6, 7 with each other.
  • the fan frame 1 has two sides, namely a suction side and a pressure side, wherein FIG. 1 the print side shows. This is intended to ensure that a built-in brackets 2 and 3 fan exhausts the air sucked by him on this page. In the illustration, one thus looks at the respective outflow regions of the holders 2 and 3. In the intermediate region 4 between the two holders 2 and 3, a shielding device 8 is provided. This is arranged and designed such that the outflow region of the second holder 3 is shielded from the outflow region of the first holder 2.
  • FIG. 2 shows an embodiment of a fan cowl 1 according to the invention, wherein the basic structure according to the description of the in FIG. 1 illustrated fan frame 1 is executed.
  • the partition wall section 8 is arranged in the region between two struts 10 and 11 of the second holder 3.
  • the second holder 3 is designed to receive a smaller fan, while the first holder 2 is designed to accommodate a larger fan. This is in relation to FIG. 5 explained in more detail.
  • the second holder 3 has a center M, through which an axis of a fan, not shown, built into the holder of a fan module would extend into the plane.
  • the partition wall section or an elevated separating web extends over an angular segment 12, which in the illustrated embodiment has an angle of 45 °.
  • the partition wall section extends between the two struts 10 and 11 substantially over an arc of 10 cm, for example. Due to the geometry of the attachment struts, no ideal circular arc shape or cylinder jacket surface section shape is described by the partition wall section. Instead, the actual shape is provided in sections with bends or recesses for adaptation to the shape of the fastening struts 10, 11 and for attachment thereto.
  • FIGS. 3A and 3B each show a perspective view of a detail of a fan frame 1 according to FIG. 2 ,
  • the FIGS. 3A and 3B show different embodiments of a partition wall section. 8
  • the partition wall section 8 extends between the two fastening struts 10 and 11, wherein the partition wall section 8 has a height 5 which corresponds to 70% of the height of the fastening struts 10 and 11. This height is sufficient to the outflow region of the second holder 3, which in the illustration in FIGS. 3A and 3B the illustrated side of the brackets corresponds to shield sufficiently from the outflow region of the first holder 2.
  • flows occurring in the outflow areas can not adversely affect before they reach, for example, a radiator or heat exchanger of a motor vehicle.
  • the area between two fastening struts, if no partition wall section is provided therein, is referred to as a pocket.
  • the pocket between the attachment struts 10 and 11 is filled by the partition wall portion 8.
  • a plurality of pockets 13 between further fastening struts of the holder 3 may be filled with a partition wall portion.
  • the pockets of the first holder 2 are designed with a partition wall section 8. This would preferably be provided in the intermediate region 4 analogous to the illustrated embodiment.
  • FIG. 3B shows the same section as FIG. 3A , wherein here, however, an alternative partition wall section 8 is provided.
  • This has a height 5, which corresponds to 100% of the height of the fastening struts 10 and 11.
  • the partition wall portion 8 extends over the entire height of the pressure side of the fan cowl.
  • the partition wall portion 8 is formed in one piece with the fan cowl.
  • the fan frame is preferably formed as an injection molded part made of plastic.
  • the partition wall portion may be provided as a separate part inserted into the fan cowl. For this purpose, it can be inserted, for example, with a corresponding fit in a recess in the fan cowl.
  • the partition wall section can also be clipped or glued.
  • FIG. 4 shows various examples of a partition wall section 8. All of these illustrated partition wall sections 8 are provided as plug-partition wall sections. They have a Einsteckfortsatz 15, by means of which they can be inserted into a recess in the fan frame 1. Furthermore, lateral recesses 16 are provided, which are provided for molding and / or anchoring of the partition wall section to the fastening struts 10, 11.
  • FIGS. 4A to 4F each show a partition wall portion with a flat top edge 9, which only according to the shape of the intermediate portion 4 and the fastening struts 10, 11 has slight deviations from a circular arc or cylinder jacket section shape.
  • the FIGS. 4A to 4F show the partition wall portion 8 each in a plan view of its radial inside.
  • the partition wall section 8 according to FIG. 4A has a height 5, which corresponds to 100% of the height of the fastening struts 10, 11.
  • This height is for example 2.8 cm.
  • this value may deviate significantly depending on the design and available installation space of a fan module.
  • the height 5 of the fastening struts 10, 11 is between 2 cm and 5 cm.
  • the partition wall section 8 according to FIG. 4B has a slightly reduced height 5 of about 95% of the height of the fastening struts 10, 11.
  • FIG. 4C shows an embodiment of a partition wall section 8 with profiled surface edge 9.
  • the surface edge 9 is formed wavy.
  • the surface edge could also be jagged or have a contour with quadrangular recesses or another type of profiling.
  • Figure 4D again shows a partition wall section 8 with a flat surface edge, wherein a further reduced height 5 of 90% of the height of the fastening struts 10, 11 is provided.
  • the height 5 is reduced to 80% and in FIG. 4F the height is reduced to 70% of the height of the fixing struts 10, 11.
  • FIG. 5 shows a schematic representation of a double fan module 20. This has a fan frame 1 according to FIG. 1 on.
  • the structure of the fan module 20 is of course the in FIG. 2 illustrated embodiment of a fan frame 1 transferable.
  • a first, large fan 21 is provided, the Lüfterradschaufeln 23 are arranged distributed around the entire circumference of the fan 21.
  • the Lüfterradschaufeln 23 for clarity only schematically indicated in a portion of the fan circumference.
  • the impeller blades 24 are also indicated only schematically.
  • the double fan module 20 is provided for mounting on a rectangular shaped radiator or heat exchanger, which in particular has a rectangular shape with different length and width, which preferably corresponds to the rectangular shape of the frame 1.
  • the radiator or heat exchanger can be flowed in three different operating modes with high utilization of the radiator surface with cooling air.
  • the shielding device 8 provided in the intermediate region of the fan frame 1 in the outflow region of the fans 21, 22 separates in the operating mode with both fans 21, 22 an airflow generated by the first fan 21 in its outflow region from an airflow generated by the second fan 22 in its outflow region. Consequently the two air streams do not adversely affect because they do not get in the way due to the separation by means of the screening device 8.
  • the first fan 21 preferably has a larger diameter than the second fan 22 and also has a higher drive and air power than the second fan 22.
  • the heights of the fastening struts and thus also the height of the partition wall section should always be adapted to the space available for the double fan module, i. the heights of the attachment struts and the partition wall section may also be (significantly) lower or (significantly) higher.
  • the length of the partition section may, of course, be varied depending on the dimensions of the double fan module or fan diameter, i. Also smaller and longer lengths of the partition wall section, adapted to such dimensions, are possible.
  • Double fan module in the sense of multiple fan module to understand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (11)

  1. Capotage de ventilateur (1) pour une pluralité de modules de ventilateur, notamment pour un radiateur d'un automobile,
    comportant un premier support (2) de ventilateur, qui présente une première zone d'écoulement,
    comportant au moins un support supplémentaire (3) qui présente une zone d'écoulement supplémentaire,
    comportant une zone intermédiaire (4) qui relie entre elles des zones de bord (6, 7), adjacentes les unes aux autres, du premier support et du support supplémentaire (2, 3),
    caractérisé en ce
    qu'un dispositif d'écran (8) est ménagé dans la zone intermédiaire (4), lequel sépare l'une de l'autre la première zone d'écoulement et une zone d'écoulement supplémentaire, le dispositif d'écran (8) étant réalisé comme section de paroi de séparation (8) insérable dans le capotage de ventilateur (1), la section de paroi de séparation (8) s'étendant dans la zone intermédiaire (4) sur un segment angulaire de 10° à 135°, notamment de 30° à 60°, autour du premier support et/ou du support supplémentaire (2, 3).
  2. Capotage de ventilateur selon la revendication 1,
    caractérisé en ce
    que le dispositif d'écran (8) est réalisé comme section de paroi de séparation (8) réalisée d'une seule pièce avec le capotage de ventilateur (1).
  3. Capotage de ventilateur selon l'une quelconque des revendications précédentes, caractérisé en ce
    que la section de paroi de séparation (8) présente un bord supérieur profilé (9).
  4. Capotage de ventilateur selon l'une quelconque des revendications précédentes, caractérisé en ce
    que la section de paroi de séparation (8) s'étend sur une trajectoire d'arc de cercle (14) située dans la plage de 5 cm à 20 cm, notamment dans la plage de 8 cm à 15 cm, de préférence dans la plage de 10 cm à 12 cm, autour d'une circonférence du premier support et/ou du support supplémentaire (2; 3).
  5. Capotage de ventilateur selon l'une quelconque des revendications précédentes, caractérisé en ce
    que la section de paroi de séparation (8) est disposée entre deux tiges de fixation (10 ; 11) du premier support ou du support supplémentaire (2; 3).
  6. Capotage de ventilateur selon l'une quelconque des revendications précédentes, caractérisé en ce
    que la section de paroi de séparation (8) s'étend jusqu'à au moins 50 %, notamment jusqu'à 70% à 100 %, d'une hauteur axiale (12) des tiges de fixation.
  7. Capotage de ventilateur selon l'une quelconque des revendications précédentes, caractérisé en ce
    que le capotage de ventilateur (1) est réalisé comme pièce en matière plastique moulée par injection.
  8. Module de ventilateur (20), notamment double module de ventilateur, notamment pour un radiateur d'un automobile, comportant un capotage de ventilateur (1),
    comportant un premier ventilateur (21) monté dans le capotage de ventilateur (1), lequel ventilateur est réalisé pour générer un premier flux d'air,
    comportant au moins un ventilateur supplémentaire (22) monté dans le capotage de ventilateur (1), qui est réalisé pour générer un flux d'air supplémentaire, lequel est disposé et monté dans le capotage de ventilateur (1) à côté du premier ventilateur (21),
    caractérisé en ce
    qu'un dispositif d'écran (8) destiné à séparer le premier flux d'air du flux d'air supplémentaire est ménagé dans une zone intermédiaire (4) du capotage de ventilateur (1), ménagée entre le premier ventilateur et le ventilateur supplémentaire (21 ; 22), dans lequel le capotage de ventilateur (1) est réalisé comme capotage de ventilateur (1) selon l'une quelconque des revendications 1 à 7.
  9. Module de ventilateur selon la revendication 8, caractérisé en ce
    que le dispositif d'écran (8) est réalisé comme section de paroi de séparation (8) s'étendant dans le sens d'écoulement du premier flux d'air et/ou du flux d'air supplémentaire.
  10. Module de ventilateur selon l'une quelconque des revendications 8 ou 9, caractérisé en ce
    que le premier ventilateur (21) présente un diamètre plus grand que le ventilateur supplémentaire (22).
  11. Module de ventilateur selon l'une quelconque des revendications 8 à 10, caractérisé en ce
    que le premier ventilateur (21) présente une performance d'entraînement et/ou de ventilation plus grande que le ventilateur supplémentaire (22).
EP14710840.1A 2013-03-11 2014-03-11 Châssis de ventilateur et module de ventilateur Not-in-force EP2971632B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14710840T PL2971632T3 (pl) 2013-03-11 2014-03-11 Rama do wentylatorów i moduł wentylatorowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013204069.5A DE102013204069B4 (de) 2013-03-11 2013-03-11 Lüfterzarge und Lüftermodul für einen Kühler eines Kraftfahrzeugs
PCT/EP2014/054700 WO2014140012A1 (fr) 2013-03-11 2014-03-11 Châssis de ventilateur et module de ventilateur

Publications (2)

Publication Number Publication Date
EP2971632A1 EP2971632A1 (fr) 2016-01-20
EP2971632B1 true EP2971632B1 (fr) 2016-12-28

Family

ID=50289643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14710840.1A Not-in-force EP2971632B1 (fr) 2013-03-11 2014-03-11 Châssis de ventilateur et module de ventilateur

Country Status (7)

Country Link
US (1) US10539152B2 (fr)
EP (1) EP2971632B1 (fr)
CN (1) CN105051346B (fr)
DE (1) DE102013204069B4 (fr)
ES (1) ES2617618T3 (fr)
PL (1) PL2971632T3 (fr)
WO (1) WO2014140012A1 (fr)

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CN105051346A (zh) 2015-11-11
DE102013204069B4 (de) 2020-10-01
ES2617618T3 (es) 2017-06-19
US10539152B2 (en) 2020-01-21
EP2971632A1 (fr) 2016-01-20
PL2971632T3 (pl) 2017-08-31
CN105051346B (zh) 2017-12-26
WO2014140012A1 (fr) 2014-09-18
US20160017893A1 (en) 2016-01-21
DE102013204069A1 (de) 2014-09-11

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