DE3432439A1 - Fan arrangement for the cooling of a liquid-cooled internal combustion engine - Google Patents

Fan arrangement for the cooling of a liquid-cooled internal combustion engine

Info

Publication number
DE3432439A1
DE3432439A1 DE19843432439 DE3432439A DE3432439A1 DE 3432439 A1 DE3432439 A1 DE 3432439A1 DE 19843432439 DE19843432439 DE 19843432439 DE 3432439 A DE3432439 A DE 3432439A DE 3432439 A1 DE3432439 A1 DE 3432439A1
Authority
DE
Germany
Prior art keywords
fan
combustion engine
internal combustion
liquid
cooling
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.)
Withdrawn
Application number
DE19843432439
Other languages
German (de)
Inventor
Wolf Dr.-Ing. 7056 Weinstadt Boll
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE19843432439 priority Critical patent/DE3432439A1/en
Publication of DE3432439A1 publication Critical patent/DE3432439A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A fan arrangement for the cooling of a liquid-cooled internal combustion engine is described with an air-liquid radiator, a main fan driven by the internal combustion engine and a coaxial auxiliary fan upstream of the main fan. In order to improve the efficiency of the fan arrangement, the fans are arranged immediately in series on one side of the radiator and have opposing directions of rotation.

Description

"Lüfteranordnung zur Kühlung einer"Fan arrangement for cooling a

flüssigkeitsgekühlten Brennkraftmaschine" Die Erfindung bezieht sich auf eine Lüfteranordnung gemäß dem Oberbegriff des Patentanspruches. Liquid cooled internal combustion engine "The invention relates to to a fan arrangement according to the preamble of the patent claim.

Eine derartige Lüfteranordnung ist aus der DE-OS 31 50 152 bekannt. Bei dieser Lüfteranordnung sind der Hauptlüfter stromauf und der Zusatzlüfter stromab des Luft-Flüssigkeits-Kühlers angeordnet. Wegen des zwischen den beiden Lüftern liegenden Kühlers ist eine unmittelbare gegenseitige Beeinflussung der beiden Lüfter insbesondere hinsichtlich des Wirkungsgrades nicht gegeben.Such a fan arrangement is known from DE-OS 31 50 152. In this fan arrangement, the main fan is upstream and the auxiliary fan is downstream of the air-liquid cooler arranged. Because of the between the two fans lying cooler is a direct mutual influence of the two fans especially not given in terms of efficiency.

Der Erfindung liegt die Aufgabe zugrunde, eine Lüfteranordnung zu schaffen, die gegenüber der bekannten Lüfteranordnung einen erhöhten Wirkungsgrad und damit eine erhöhte Luftförderleistung und/oder eine verringerte Leistungsaufnahme aufweist.The invention is based on the object of a fan arrangement create, which compared to the known fan arrangement, an increased efficiency and thus an increased air delivery rate and / or a reduced power consumption having.

Die erfindungsgemäße Aufgabe ist durch die im kennzeichnenden Teil des Patentanspruches angegebenen Merkmale gelöst.The object of the invention is due to the in the characterizing part of the patent claim specified features solved.

Bei der erfindungsgemäßen Lüfteranordnung beeinflussen sich der Hauptlüfter und der Zusatzlüfter unmittelbar gegenseitig, insbesondere wird der im Zusatzlüfter erzeugte Vordrall der Kühlluft im Hauptlüfter genutzt, der Zusatzlüfter wirkt also wie ein Leitgitter, ohne daß ein gesondertes Leitgitter und der Einbauraum für dieses benötigt werden. Der dadurch verbesserte Wirkungsgrad erhöht die Förderleistung der Lüfter, es kann aber auch bei gleicher Förderleistung eine kleinere Lüfteranordnung gewählt werden. Mit der erfindungsgemäßen Lüfteranordnung ist außerdem eine Verringerung der Schallabstrahlung durch die Lüfter erreichbar.In the case of the fan arrangement according to the invention, the main fans influence one another and the additional fan directly to each other, in particular the one in the additional fan The pre-swirl generated by the cooling air in the main fan is used, so the additional fan works like a guide grille without a separate guide grille and the installation space for this are needed. The resulting improved efficiency increases the delivery rate the fan, but a smaller fan arrangement can also be used with the same flow rate to get voted. With the fan arrangement according to the invention there is also a reduction the sound radiation through the fan can be achieved.

Im folgenden wird die erfindungsgemäße Lüfteranordnung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert.In the following, the fan arrangement according to the invention is based on a In the drawing illustrated embodiment explained in more detail.

In Fahrtrichtung eines nicht weiter dargestellten Kraftfahrzeuges vor einer Brennkraftmaschine 1 ist ein Kühler 2 angeordnet, in dem das Kühlwasser der Brennkraftmaschine 1 von in Pfeilrichtung 3 durch den Kühler 2 durchströmender Luft gekühlt wird. Von der Brennkraftmaschine 1 wird unmittelbar ein Hauptlüfter 4 angetrieben, der die Kühlluft durch den Kühler 2 saugt. Unmittelbar stromauf des Hauptlüfters 4 und gleichachsig mit diesem ist ein elektrisch angetriebener Zusatzlüfter 5 angeordnet, der insbesondere bei niedriger Drehzahl des Hauptlüfters 4 zugeschaltet wird.In the direction of travel of a motor vehicle (not shown) A radiator 2 is arranged in front of an internal combustion engine 1, in which the cooling water of the internal combustion engine 1 flowing through the radiator 2 in the direction of arrow 3 Air is cooled. A main fan is provided directly by the internal combustion engine 1 4 driven, which sucks the cooling air through the radiator 2. Immediately upstream of the Main fan 4 and coaxially with this is an electrically driven auxiliary fan 5 arranged, which is switched on in particular at low speed of the main fan 4 will.

Hauptlüfter 4 und Zusatzlüfter 5 haben verschiedene Drehrichtung, also auch in unterschiedliche Richtung angestellte Schaufeln, so daß der vor dem Zusatzlüfter 5 erzeugte Vordrall der Kühl luft vom Hauptkühler 4 zu einer Wirkungsgradverbesserung der Lüfteränordnung genutzt werden kann. Da auch die beiden Naben 6 und 7 des Hauptlüfters 4 und des Zusatzlüfters 5 sich gegenseitig zumindest teilweise abdecken, ist auch der von ihnen erzeugte Stirnwiderstand geringer als bei einer Lüfteranordnung, bei der der Hauptlüfter 4 und der Zusatzlüfter 5 einen größeren axialen Abstand zueinander haben.Main fan 4 and additional fan 5 have different directions of rotation, So also employed in different directions Shovels like that that the pre-swirl of the cooling air generated in front of the additional fan 5 from the main cooler 4 can be used to improve the efficiency of the fan arrangement. There too the two hubs 6 and 7 of the main fan 4 and the auxiliary fan 5 mutually cover at least partially, the forehead resistance generated by them is also lower than with a fan arrangement in which the main fan 4 and the additional fan 5 have a greater axial distance from one another.

Claims (1)

Anspruch Lüfteranordnung zur Kühlung einer flüssigkeitsgekühlten Brennkraftmaschine mit einem Luft-Flüssigkeits-Kühler, einem von der Brennkraftmaschine angetriebenen Hauptlüfter und einem gleichachsigen von einem Elektro-oder Hydraulikmotor angetriebenen Zusatzlüfter stromauf des Hauptlüfters, dadurch gekennzeichnet, daß der Hauptlüfter (4) und der Zusatzlüfter (5) auf einer Seite des Kühlers (2) unmittelbar hintereinander angeordnet sind und daß die Drehrichtungen des Hauptlüfters (4) und des Zusatzlüfters (5) entgegengesetzt sind. Claim fan assembly for cooling a liquid-cooled Internal combustion engine with an air-liquid cooler, one of the internal combustion engine driven main fan and one equiaxed by an electric or hydraulic motor driven auxiliary fan upstream of the main fan, characterized in that the main fan (4) and the additional fan (5) on one side of the cooler (2) directly are arranged one behind the other and that the directions of rotation of the main fan (4) and of the additional fan (5) are opposite.
DE19843432439 1984-09-04 1984-09-04 Fan arrangement for the cooling of a liquid-cooled internal combustion engine Withdrawn DE3432439A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843432439 DE3432439A1 (en) 1984-09-04 1984-09-04 Fan arrangement for the cooling of a liquid-cooled internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843432439 DE3432439A1 (en) 1984-09-04 1984-09-04 Fan arrangement for the cooling of a liquid-cooled internal combustion engine

Publications (1)

Publication Number Publication Date
DE3432439A1 true DE3432439A1 (en) 1985-08-08

Family

ID=6244583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843432439 Withdrawn DE3432439A1 (en) 1984-09-04 1984-09-04 Fan arrangement for the cooling of a liquid-cooled internal combustion engine

Country Status (1)

Country Link
DE (1) DE3432439A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193608A (en) * 1992-03-25 1993-03-16 Toyo Radiator Co., Ltd. Radiator with fan for motor vehicles
US5927391A (en) * 1997-05-29 1999-07-27 Daewoo Electronics Co., Ltd. Apparatus for cooling a condenser of a room air conditioner
US6070560A (en) * 1998-11-04 2000-06-06 Daimlerchrylser Corporation Cooling fan system for a motor vehicle
DE19938428A1 (en) * 1999-08-13 2001-02-22 Audi Ag Automobile dynamo has rotor shaft fitted with fan wheel for acting as auxiliary cooling fan for engine compartment and providing cooling of engine charging air or air-conditioning unit via air-cooled heat exchanger
DE10135698A1 (en) * 2001-07-21 2003-02-06 Alu Kunststoff Technik Fuer Au Fan assembly for radiator of internal combustion engine has impeller protruding in axial direction at least partially from air guiding element, with length of protruding section being preferably 30-50 per cent of impeller width
US6537019B1 (en) * 2000-06-06 2003-03-25 Intel Corporation Fan assembly and method
CN102678251A (en) * 2012-05-24 2012-09-19 山东大学 Automobile radiator assembly for uniformly radiating

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193608A (en) * 1992-03-25 1993-03-16 Toyo Radiator Co., Ltd. Radiator with fan for motor vehicles
US5927391A (en) * 1997-05-29 1999-07-27 Daewoo Electronics Co., Ltd. Apparatus for cooling a condenser of a room air conditioner
US6070560A (en) * 1998-11-04 2000-06-06 Daimlerchrylser Corporation Cooling fan system for a motor vehicle
DE19938428A1 (en) * 1999-08-13 2001-02-22 Audi Ag Automobile dynamo has rotor shaft fitted with fan wheel for acting as auxiliary cooling fan for engine compartment and providing cooling of engine charging air or air-conditioning unit via air-cooled heat exchanger
DE19938428C2 (en) * 1999-08-13 2003-09-25 Audi Ag Cooling arrangement in motor vehicles
US6537019B1 (en) * 2000-06-06 2003-03-25 Intel Corporation Fan assembly and method
DE10135698A1 (en) * 2001-07-21 2003-02-06 Alu Kunststoff Technik Fuer Au Fan assembly for radiator of internal combustion engine has impeller protruding in axial direction at least partially from air guiding element, with length of protruding section being preferably 30-50 per cent of impeller width
CN102678251A (en) * 2012-05-24 2012-09-19 山东大学 Automobile radiator assembly for uniformly radiating

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
OP8 Request for examination as to paragraph 44 patent law
8130 Withdrawal