DE102008011177A1 - Radiator grill for motor vehicle, has air opening that is more closed in closed position of closing lamellae than opening position of closing lamellae, where closing lamellae are movably arranged along curved web - Google Patents
Radiator grill for motor vehicle, has air opening that is more closed in closed position of closing lamellae than opening position of closing lamellae, where closing lamellae are movably arranged along curved web Download PDFInfo
- Publication number
- DE102008011177A1 DE102008011177A1 DE102008011177A DE102008011177A DE102008011177A1 DE 102008011177 A1 DE102008011177 A1 DE 102008011177A1 DE 102008011177 A DE102008011177 A DE 102008011177A DE 102008011177 A DE102008011177 A DE 102008011177A DE 102008011177 A1 DE102008011177 A1 DE 102008011177A1
- Authority
- DE
- Germany
- Prior art keywords
- closing
- grille
- lamellae
- closing blades
- motor vehicle
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
- B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
- B60R2019/525—Radiator grilles
- B60R2019/527—Radiator grilles integral with bumpers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
Description
Die Erfindung betrifft einen Kühlergrill, der in einer Kraftfahrzeugkarosserie eines Kraftfahrzeugs vorgesehen werden kann, um Fahrtwind in das Innere der Kraftfahrzeugkarosserie zu leiten, um eine Brennkraftmaschine zu kühlen.The The invention relates to a radiator grille used in a motor vehicle body a motor vehicle can be provided to wind in the Interior of the vehicle body to direct to an internal combustion engine to cool.
Aus
Nachteilig bei einem derartigen Kühlergrill ist, dass auch in der Schließposition der Schließlamellen der Kühlergrill einen hohen Luftwiderstand bietet.adversely in such a grille is that in the Closing position of the closing blades of the radiator grille offers a high air resistance.
Es ist die Aufgabe der Erfindung einen Kühlergrill für ein Kraftfahrzeug zu schaffen, der einen geringeren Strömungswiderstand bietet.It the object of the invention is a grille for to create a motor vehicle, which has a lower flow resistance offers.
Die Lösung der Aufgabe erfolgt erfindungsgemäß durch die Merkmale des Anspruchs 1. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.The Solution of the problem is carried out according to the invention by the features of claim 1. Advantageous embodiments of the invention are given in the subclaims.
Der erfindungsgemäße Kühlergrill für ein Kraftfahrzeug weist mehrere feststehende Lamellenelemente auf, wobei zwischen zwei benachbarten Lamellenelementen eine Luftöffnung ausgebildet ist. Der Kühlergrill weist ferner mehrere zwischen einer Schließposition und einer Öffnungsposition bewegbare Schließlamellen auf, die in der Schließposition die Lüftöffnung stärker schließen als in der Öffnungsposition. Erfindungsgemäß sind die Schließlamellen im Wesentlichen entlang einer Bogenbahn beweglich angeordnet.Of the Grille according to the invention for a motor vehicle has a plurality of fixed plate elements, wherein between two adjacent plate elements an air opening is trained. The grille also has several between a closed position and an open position movable closing blades, which in the closed position the Close vent opening more as in the opening position. According to the invention the closing lamellae essentially along a curved path movably arranged.
Dadurch, dass die Schließlamellen keine lineare Bewegungsrichtung aufweisen sondern entlang einer Bogenbahn bewegt werden, ergibt sich in der Schließposition der Schließlamellen eine bogenförmige Fläche. Durch die dadurch ausgebildete bogenförmige Fläche kann ein auf die Schließlamellen auftreffender Fahrtwind entlang des Bogens abgelenkt werden, so dass Staupunkte vermieden werden und lediglich eine definierte Richtungsänderung des ankommenden Fahrtwinds stattfindet. Dies führt zu einer verbesserten Aerodynamik des Kühlergrills, der zu einem geringen Strömungswiderstand führt. Aufgrund des verringerten Strömungswiderstands kann der Kraftstoffverbrauch gesenkt werden, wodurch eine CO2-Reduktion erreicht werden kann.The fact that the closing lamellae have no linear direction of movement but are moved along an arcuate path results in the closed position of the closing lamellae an arcuate surface. By thus formed arcuate surface incident on the closing lamella wind can be deflected along the arc, so that stagnation points are avoided and only a defined change in direction of the incoming air wind takes place. This leads to improved aerodynamics of the radiator grille, which leads to a low flow resistance. Due to the reduced flow resistance, the fuel consumption can be reduced, whereby a CO 2 reduction can be achieved.
Vorzugsweise sind die Lamellenelemente an ihrer den Schließlamellen zugewandten Seite entlang einer Bogenbahn angeordnet, die zu der Bogenbahn der Schließlamellen benachbart angeordnet ist. Dadurch, dass sowohl die Schließlamellen als auch die Lamellenelemente im Wesentlichen derselben Bogenbahn folgen, kann in der Schließposition der Schließlamellen eine gemeinsame bogenförmige Oberfläche bereitgestellt werden, die zu besonders wenigen Staupunkten führt. Hohlräume und/oder abstehende Elemente, die eine abgelenkten Fahrtwindströmung im Weg stehen könnten, können dadurch vermieden oder zumindest reduziert werden.Preferably are the lamellar elements at their the closing lamellae facing side along a curved path, leading to the Arc track of the closing blades is arranged adjacent. Thereby, that both the closing lamellae and the lamellar elements essentially follow the same arc, can in the closed position the closing blades have a common arcuate surface be provided, which leads to very few stagnation points. Cavities and / or protruding elements that are a distracted Current flow could be in the way thereby avoided or at least reduced.
Besonders bevorzugt ist die Bogenbahn derart gewählt, dass in der Schließposition der Schließlamellen ein Luftstrom derart an dem Kühlergrill entlang leitbar ist, dass der Luftstrom auf eine Motorhaube zuleitbar ist. Im eingebauten Zustand des Kühlergrills ist es somit möglich einen ankommenden Luftstrom über die gebogene Oberfläche des Kühlergrills insbesondere tangential auf die Motorhaube zu leiten. Die Motorhaube und eine sich an die Motorhaube anschließende Frontscheibe sowie die übrige Karosserie des Kraftfahrzeugs können den von dem Kühlergrill abgeleiteten Luftstrom an ihrer Oberfläche entlang mit einem möglichst geringen Luftwiderstand ableiten. Dies führt zu einem besonders geringen Luftwiderstand.Especially Preferably, the arc track is chosen such that in the Closing position of the closing blades an air flow so on the radiator grille is conductive, that the Air flow on a hood is zuleitbar. In the installed state the grille, it is thus possible an incoming Air flow over the curved surface of the grille in particular tangentially to the bonnet. The hood and one on the hood subsequent windscreen and the rest of the body of the vehicle can the derived from the grille airflow at her Surface along with the smallest possible Derive air resistance. This leads to a special low air resistance.
In einer bevorzugten Ausführungsform ist die Bogenbahn im Wesentlichen eine Kreisbahn. Dass heißt die Bogenbahn ist Teil eines gedachten Zylinders, so dass die Bogenbahn zu einer gedachten Mittellinie des Zylinders einen konstanten Abstand aufweist. Der Radius R der sich dadurch ergebenden Kreisbahn beträgt bezogen auf die Bogenlänge S der Kreisbahn für die Schließlamellen insbesondere 2,0 ≤ R/S ≤ 7,0, vorzugsweise 2,5 ≤ R/S ≤ 5,0 und besonders bevorzugt 2,8 ≤ R/S ≤ 3,0. Eine kreisbahnförmige Bogenbahn lässt sich besonders einfach herstellen, wobei die Krümmung insbesondere derart gewählt ist, dass die kreisförmige Bogenbahn leicht durch Kaltumformen herstellbar ist.In a preferred embodiment, the arcuate web is in Essentially a circular path. That is called the arc train Part of an imaginary cylinder, so that the bow path to an imaginary Centerline of the cylinder has a constant distance. Of the Radius R of the resulting orbit is based on the arc length S of the circular path for the closing lamellae in particular 2.0 ≦ R / S ≦ 7.0, preferably 2.5 ≦ R / S ≦ 5.0, and more preferably 2.8 ≤ R / S ≤ 3.0. A circular path Bogenbahn is particularly easy to produce, with the curvature is chosen in particular such that the circular arc path easily by cold forming can be produced.
Vorzugsweise sind die Schließlamellen gelenkig miteinander verbunden. Dies erleichtert es für die Bogenbahn der Schließlamellen eine komplizierte Führung vorzusehen, die sich besonders stark an einer verbesserten Aerodynamik orientiert. Besonders bevorzugt ist zwischen zwei benachbarten Schließlamellen mindestens ein Abstandstück verbunden, dass mit der einen und/oder der anderen Schließlamelle, insbesondere mit beiden Schließlamellen, gelenkig verbunden ist. Die Länge des Abstandsstück in Bogenrichtung entspricht insbesondere im Wesentlichen der Strecke der Luftöffnung in Bogenrichtung.Preferably, the closing blades are hinged together. This makes it easier for the curved path of the closing blades to provide a complicated guide, which is particularly strongly oriented to improved aerodynamics. Particularly preferred is between two adjacent Schließla connected at least one spacer connected to one and / or the other closing blade, in particular with two closing blades, is pivotally connected. The length of the spacer in the arc direction corresponds in particular substantially to the distance of the air opening in the arc direction.
Besonders bevorzugt sind die Schließlamellen in einer der Bogenbahn folgenden Führungsschiene geführt. Auftretende Kräfte, beispielsweise durch Fahrtwind, können dadurch von der Führungsschiene aufgenommen und abgetragen werden. Gleichzeitig können die Schließlamellen in der durch die Führungsschiene definierten Bogenbahn zwangsgeführt sein, so dass unerwünschte Schrägstellungen der Schließlamellen vermieden werden können.Especially Preferably, the closing lamellae are in one of the arcuate path following guide rail out. occurring Forces, for example, by wind, can thereby picked up and removed from the guide rail become. At the same time, the closing blades can forcibly guided in the arc path defined by the guide rail be so that unwanted inclinations of the Closing blades can be avoided.
Vorzugsweise weist mindestens ein Lamellenelement mindestens ein Luftleitelement auf. Durch das Luftleitelement kann Fahrtwind in einer aerodynamisch günstigen Art und Weise auf die Luftöffnungen zugeleitet werden, wo sie mit einem möglichst geringen Luftwiderstand in das Innere der Kraftfahrzeugkarosserie eindringen können oder mit einem entsprechend geringen Luftwiderstand vor den Schließlamellen abgeleitet werden können.Preferably has at least one fin element at least one air guide on. Through the spoiler, airstream can be in an aerodynamic favorable way to the air vents be directed to where they have the least possible Air resistance penetrate into the interior of the vehicle body can or with a correspondingly low air resistance can be derived before the closing lamellae.
Vorzugsweise ist die Position der Schließlamellen relativ zu den Lamellenelementen in Abhängigkeit von mindestens einem Regelparameter regelbar, wobei der mindestens eine Regelparameter einen Kühlungsluftbedarf für eine Brennkraftmaschine, die im eingebauten Zustand des Kühlergrills hinter dem Kühlergrill angeordnet ist, berücksichtigt. Der Regelparameter ist hierzu insbesondere ausgewählt aus der Gruppe Motortemperatur der Brennkraftmaschine, Fahrzeuggeschwindigkeit, Drehmoment der Brennkraftmaschine, Kraftstoffzufluss zur Brennkraftmaschine und/oder Motoröltemperatur. Die Position der Schließlamellen kann daher zu einem Zeitpunkt zu dem ein vergleichsweise hoher Kühlungsluftbedarf besteht, derart geregelt angeordnet werden, dass genügend Fahrtwind zur Brennkraftmaschine gelangen kann. Zu Zeitpunkten, zu denen ein vergleichsweise geringer Kühlungsluftbedarf besteht, können die Schließlamellen geregelt derart angeordnet werden, dass entsprechend weniger oder sogar gar kein Fahrtwind zur Brennkraftmaschine gelangen kann. Dadurch kann eine gute Aerodynamik und ein geringer Luftwiderstand gewährleistet werden, ohne eine zu geringe Kühlung der Brennkraftmaschine befürchten zu müssen.Preferably is the position of the closing blades relative to the lamellar elements adjustable as a function of at least one control parameter, wherein the at least one control parameter requires a cooling air for an internal combustion engine, when installed of the radiator grille behind the radiator grille is taken into account. The control parameter is for this purpose in particular selected from the group engine temperature of the internal combustion engine, Vehicle speed, engine torque, fuel inflow to the internal combustion engine and / or engine oil temperature. The Therefore, the position of the closing blades can be too much at a time which has a comparatively high cooling air requirement, be arranged so regulated that enough airstream can get to the engine. At times, including a comparatively low cooling air requirement exists the closing louvres are arranged to be regulated in such a way that correspondingly less or no wind at all to the internal combustion engine can get. This can be a good aerodynamic and a lower Air resistance can be ensured without too low To fear cooling the internal combustion engine.
Die Erfindung betrifft ferner ein Kraftfahrzeug, das eine Motorhaube aufweist und einen unterhalb der Motorhaube angeordneten Kühlergrill aufweist, der wie vorstehend beschrieben aus- und weitergebildet sein kann. Unterhalb der Motorhaube und in Fahrtrichtung hinter dem Kühlergrill ist ferner eine Brennkraftmaschine angeordnet. Vorzugsweise weist das Kraftfahrzeug ferner eine Regelungseinrichtung auf, die mindestens einen Regelparameter detektiert und in Abhängigkeit mindestens einen gemessenen Regelparameters die Position der Schließlamellen relativ zu den Lamellenelementen regelt.The The invention further relates to a motor vehicle having a hood has and arranged below the hood radiator grille having trained and further developed as described above can be. Below the bonnet and in the direction of travel behind the radiator grille, an internal combustion engine is also arranged. Preferably, the motor vehicle further comprises a control device which detects at least one control parameter and depending on at least one measured control parameter, the position of the closing blades controls relative to the lamellar elements.
Nachfolgend wird die Erfindung unter Bezugnahme auf die anliegenden Zeichnungen anhand eines bevorzugten Ausführungsbeispiels näher erläutert.following the invention will be with reference to the accompanying drawings based on a preferred embodiment closer explained.
Es zeigen:It demonstrate:
Der
in
Die
Luftöffnungen
Die
Schließlamellen
Die
Lamellenelemente
- 1010
- Kühlergrillradiator grill
- 1212
- Frontpartiefront section
- 1414
- MotorhaubeEngine Hood
- 1616
- Rahmenframe
- 1818
- Lamellenelementlamella element
- 2020
- Luftöffnungair opening
- 2222
- EmblemhalterEmblem holder
- 2424
- Schließlamelleclosing lamella
- 2626
- seitliche Strebelateral strut
- 2828
- Führungsschieneguide rail
- 3030
- Bogenbahnarcuate path
- 3232
- Elektromotorelectric motor
- 3434
- Luftleitelementair guide
- RR
- Radiusradius
- SS
- BogenbahnstreckeArch railway line
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - US 2006/0102399 A1 [0002] US 2006/0102399 A1 [0002]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008011177A DE102008011177A1 (en) | 2008-02-26 | 2008-02-26 | Radiator grill for motor vehicle, has air opening that is more closed in closed position of closing lamellae than opening position of closing lamellae, where closing lamellae are movably arranged along curved web |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008011177A DE102008011177A1 (en) | 2008-02-26 | 2008-02-26 | Radiator grill for motor vehicle, has air opening that is more closed in closed position of closing lamellae than opening position of closing lamellae, where closing lamellae are movably arranged along curved web |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008011177A1 true DE102008011177A1 (en) | 2009-09-03 |
Family
ID=40911240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008011177A Withdrawn DE102008011177A1 (en) | 2008-02-26 | 2008-02-26 | Radiator grill for motor vehicle, has air opening that is more closed in closed position of closing lamellae than opening position of closing lamellae, where closing lamellae are movably arranged along curved web |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008011177A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010049582A1 (en) | 2010-10-26 | 2012-04-26 | Audi Ag | Radiator grill for motor vehicle, comprises buoyant lattice structure for forming openings, where lattice structure is made of multiple horizontal bars and multiple vertical bars, where horizontal bar is formed as separate component |
DE202016103512U1 (en) * | 2016-07-01 | 2017-10-05 | Rehau Ag + Co | Roller shutter elements for regulating the flow of air through the grille in the engine compartment / Mobile closure assembly of the grille main opening of a land vehicle |
DE102009039038B4 (en) | 2009-08-28 | 2021-08-19 | Bayerische Motoren Werke Aktiengesellschaft | Grille and hybrid vehicle |
CN113879113A (en) * | 2021-10-15 | 2022-01-04 | 湖南省愉航汽车配件有限公司 | Novel automobile fender |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005010683U1 (en) * | 2005-07-06 | 2005-09-15 | Festo Ag & Co | Device for controlling air supply in vehicles uses temperature-dependent actuator with storage chamber containing drive medium which increases in volume when heated |
US20060095178A1 (en) * | 2004-10-29 | 2006-05-04 | Freightliner Llc | Controlling the flow of air through at least one vehicle opening at a front portion of the vehicle |
US20060102399A1 (en) | 2004-10-29 | 2006-05-18 | Freightliner Llc. | Selective closing of at least one vehicle opening at a front portion of a vehicle |
WO2007108803A1 (en) * | 2006-03-22 | 2007-09-27 | Bole Mathew M | Adjustable airflow regulator |
-
2008
- 2008-02-26 DE DE102008011177A patent/DE102008011177A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060095178A1 (en) * | 2004-10-29 | 2006-05-04 | Freightliner Llc | Controlling the flow of air through at least one vehicle opening at a front portion of the vehicle |
US20060102399A1 (en) | 2004-10-29 | 2006-05-18 | Freightliner Llc. | Selective closing of at least one vehicle opening at a front portion of a vehicle |
DE202005010683U1 (en) * | 2005-07-06 | 2005-09-15 | Festo Ag & Co | Device for controlling air supply in vehicles uses temperature-dependent actuator with storage chamber containing drive medium which increases in volume when heated |
WO2007108803A1 (en) * | 2006-03-22 | 2007-09-27 | Bole Mathew M | Adjustable airflow regulator |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009039038B4 (en) | 2009-08-28 | 2021-08-19 | Bayerische Motoren Werke Aktiengesellschaft | Grille and hybrid vehicle |
DE102010049582A1 (en) | 2010-10-26 | 2012-04-26 | Audi Ag | Radiator grill for motor vehicle, comprises buoyant lattice structure for forming openings, where lattice structure is made of multiple horizontal bars and multiple vertical bars, where horizontal bar is formed as separate component |
DE202016103512U1 (en) * | 2016-07-01 | 2017-10-05 | Rehau Ag + Co | Roller shutter elements for regulating the flow of air through the grille in the engine compartment / Mobile closure assembly of the grille main opening of a land vehicle |
CN113879113A (en) * | 2021-10-15 | 2022-01-04 | 湖南省愉航汽车配件有限公司 | Novel automobile fender |
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