DE102009023364A1 - Motor vehicle, has front bonnet portion located in potential impact area and made of material that changes shape of front bonnet while subjecting to electrical current such that bonnet bulges upward in installed position - Google Patents
Motor vehicle, has front bonnet portion located in potential impact area and made of material that changes shape of front bonnet while subjecting to electrical current such that bonnet bulges upward in installed position Download PDFInfo
- Publication number
- DE102009023364A1 DE102009023364A1 DE200910023364 DE102009023364A DE102009023364A1 DE 102009023364 A1 DE102009023364 A1 DE 102009023364A1 DE 200910023364 DE200910023364 DE 200910023364 DE 102009023364 A DE102009023364 A DE 102009023364A DE 102009023364 A1 DE102009023364 A1 DE 102009023364A1
- Authority
- DE
- Germany
- Prior art keywords
- bonnet
- motor vehicle
- front flap
- installed position
- impact area
- 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- Withdrawn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
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
Abstract
Description
Die Erfindung bezieht sich auf ein Kraftfahrzeug mit einer Frontklappe und einer Einrichtung zum Fußgängerschutz, welche die Frontklappe oder einen Abschnitt der Frontklappe anhebt.The The invention relates to a motor vehicle with a front flap and a pedestrian protection device, which raises the front door or a portion of the front door.
Einrichtungen zum Fußgängerschutz die darauf basieren, dass die Frontklappe oder ein Teil derselben angehoben wird, sind in den vielfältigsten Bauformen bekannt. Sie erfordern spezielle Vorrichtungen zum Anheben der Frontklappe und meist auch dafür geeignete, besondere Scharniere. Neben dem dafür notwendigen Bauraum sind die bekannten Einrichtungen sehr aufwändig und dadurch teuer.facilities for pedestrian protection based on the front flap or part of it are raised, are known in the most diverse designs. They require special devices for lifting the front door and mostly for that too suitable, special hinges. In addition to the necessary space are the known devices very expensive and therefore expensive.
Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Einrichtung zum Fußgängerschutz zu schaffen, die sich kostengünstig umsetzen lässt, wenig Bauraum beansprucht und keine Kompromisse bei der Ausgestaltung anderer Bauteile bedingt.Of the The present invention is therefore based on the object, a Pedestrian protection device to create that cost-effectively can be implemented, takes up little space and no compromises in the design other components conditionally.
Die Aufgabe wird dadurch gelöst, dass zumindest ein Teilbereich der Frontklappe aus einem Material besteht, welches bei Beaufschlagung mit elektrischem Strom seine Form verändert, derart, dass es sich in Einbaulage nach oben wölbt. Diese Einrichtung erfordert keine mechanischen Bauteile zum Anheben der Frontklappe und den dafür notwendigen Platz. Scharniere, Verschlüsse und sonstige angrenzende Bauteile können ohne Rücksicht auf die Fußgängerschutzeinrichtung konzipiert werden. Es ist nur erforderlich, für die Frontklappe bzw. für einen Abschnitt der Frontklappe ein entsprechendes Material einzusetzen, Stromanschlüsse vorzusehen und diese über ein meist schon vorhandenes Steuergerät anzusteuern.The Task is solved by that at least a portion of the front flap of a material which, when subjected to electric current its Shape changed, such that it bulges upwards in the installed position. This device requires no mechanical components for lifting the front door and the necessary for this Space. Hinges, closures and other adjacent components may be without regard to the pedestrian protection device be conceived. It is only necessary for the front door or for a Section of the front flap to insert a corresponding material, power connectors to provide and this over to control a mostly already existing control unit.
Von Vorteil ist auch, dass das System reversibel ist. Insofern hat eine Fehlauslösung keine Reparaturkosten zur Folge.From Another advantage is that the system is reversible. In this respect, one has false triggering no repair costs.
Bevorzugt wird der durch die Materialverformung anhebbare Abschnitt der Frontklappe im Bereich nach oben vorstehender Motorteile und/oder Karosseriebauteile und/oder Federbeinaufnahmen des Kraftfahrzeuges angeordnet. Diese Überlegung basiert darauf, dass die meisten Bauteile im Motorraum einen ausreichend großen Abstand zur Frontklappe aufweisen und es nur sehr wenige Bauteile sind, die bis nahe an die Frontklappe heranreichen. Es ist dann ausreichend, wenn nur diejenigen Abschnitte der Frontklappe aus dem entsprechenden Material bestehen, die den kritischen Bereichen gegenüberliegen.Prefers becomes the liftable by the deformation of material section of the front door in the area upwardly projecting engine parts and / or body components and / or strut mountings of the motor vehicle. This consideration is based insist that most of the components in the engine compartment suffice huge Distance to the front flap and there are very few components, which come close to the front flap. It is then sufficient if only those sections of the front flap of the appropriate material exist that are opposite to the critical areas.
Natürlich kann der durch die Materialverformung anhebbare Abschnitt der Frontklappe annähernd die gesamte Oberseite der Frontklappe umfassen. Dadurch ergibt sich eine weitestgehend homogene Frontklappe; die Ausführung von Verbindungsstellen zwischen dem normalen Blech der Frontklappe und dem verformbaren Material entfallen.Of course you can the liftable by the deformation of material section of the front door nearly cover the entire top of the front door. This results a largely homogeneous front flap; the execution of Connection points between the normal sheet metal of the front flap and the deformable material omitted.
Als Material für den Verformungsbereich kann jedes Material eingesetzt werden, dessen Länge sich bei Beaufschlagung mit Strom vergrößert. Bevorzugt soll der Strom dabei nicht das Material erwärmen, sondern unmittelbar auf die Struktur des Materials einwirken.When Material for The deformation range can be used any material whose Length itself increased when energized. Preferably, the current should do not heat the material, but directly affect the structure of the material.
Da der Verformungsprozess unter Umständen nicht ausreichend schnell erfolgen kann, ist es gemäß einer weiteren Ausgestaltung der Erfindung besonders vorteilhaft, wenn die Einrichtung zum Fußgängerschutz während des gesamten Fahrbetriebs aktiviert und bei Stillstand des Kraftfahrzeuges deaktiviert ist.There the deformation process may not be fast enough it can be done according to one further embodiment of the invention particularly advantageous if the device for pedestrian protection while activated the entire driving and disabled at standstill of the motor vehicle is.
Eine Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Es zeigenA embodiment the invention is shown in the drawing. Show it
Ein
Kraftfahrzeug
Die
Einrichtung zum Fußgängerschutz
besteht darin, dass ein Abschnitt
Wie
die Schnittdarstellung in
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910023364 DE102009023364A1 (en) | 2009-05-29 | 2009-05-29 | Motor vehicle, has front bonnet portion located in potential impact area and made of material that changes shape of front bonnet while subjecting to electrical current such that bonnet bulges upward in installed position |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910023364 DE102009023364A1 (en) | 2009-05-29 | 2009-05-29 | Motor vehicle, has front bonnet portion located in potential impact area and made of material that changes shape of front bonnet while subjecting to electrical current such that bonnet bulges upward in installed position |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102009023364A1 true DE102009023364A1 (en) | 2010-12-02 |
Family
ID=43028520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200910023364 Withdrawn DE102009023364A1 (en) | 2009-05-29 | 2009-05-29 | Motor vehicle, has front bonnet portion located in potential impact area and made of material that changes shape of front bonnet while subjecting to electrical current such that bonnet bulges upward in installed position |
Country Status (1)
Country | Link |
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DE (1) | DE102009023364A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022003987A1 (en) | 2021-11-19 | 2023-05-25 | Mercedes-Benz Group AG | System and method for customizable exterior design surfaces of a vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255249A1 (en) * | 2002-11-26 | 2004-06-17 | Peguform Gmbh & Co. Kg I.Ins. | Adjustment mechanism for vehicle outer cladding for protecting pedestrians, cyclists has traction element(s) joined to vehicle part and outer cladding, consisting at least partly of shape memory alloy |
JP2005263037A (en) * | 2004-03-18 | 2005-09-29 | Denso Corp | Pedestrian protecting device |
DE102005025631A1 (en) * | 2004-06-09 | 2006-01-05 | GM Global Technology Operations, Inc., Detroit | Hood assembly using active material based mechanisms |
DE112005001912T5 (en) * | 2004-08-06 | 2007-09-13 | General Motors Corp., Detroit | Hood lift mechanisms using active materials and methods of use |
-
2009
- 2009-05-29 DE DE200910023364 patent/DE102009023364A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255249A1 (en) * | 2002-11-26 | 2004-06-17 | Peguform Gmbh & Co. Kg I.Ins. | Adjustment mechanism for vehicle outer cladding for protecting pedestrians, cyclists has traction element(s) joined to vehicle part and outer cladding, consisting at least partly of shape memory alloy |
JP2005263037A (en) * | 2004-03-18 | 2005-09-29 | Denso Corp | Pedestrian protecting device |
DE102005025631A1 (en) * | 2004-06-09 | 2006-01-05 | GM Global Technology Operations, Inc., Detroit | Hood assembly using active material based mechanisms |
DE112005001912T5 (en) * | 2004-08-06 | 2007-09-13 | General Motors Corp., Detroit | Hood lift mechanisms using active materials and methods of use |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022003987A1 (en) | 2021-11-19 | 2023-05-25 | Mercedes-Benz Group AG | System and method for customizable exterior design surfaces of a vehicle |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8130 | Withdrawal |