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1. WO2010000363 - COUNTERSTEERING AUTOMOTIVE REAR AXLE

Publication Number WO/2010/000363
Publication Date 07.01.2010
International Application No. PCT/EP2009/003989
International Filing Date 04.06.2009
IPC
B60G 13/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
13Resilient suspensions characterised by arrangement, location, or type of vibration-dampers
14having dampers accumulating utilisable energy, e.g. compressing air
B60G 7/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
7Pivoted suspension arms; Accessories thereof
B60G 21/05 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
21Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
02permanently interconnected
04mechanically
05between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
CPC
B60G 21/051
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
21Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
02permanently interconnected
04mechanically
05between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
051Trailing arm twist beam axles
B60G 2200/132
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2200Indexing codes relating to suspension types
10Independent suspensions
13with longitudinal arms only
132with a single trailing arm
B60G 2200/21
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2200Indexing codes relating to suspension types
20Semi-rigid axle suspensions
21Trailing arms connected by a torsional beam, i.e. twist-beam axles
B60G 2200/23
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2200Indexing codes relating to suspension types
20Semi-rigid axle suspensions
23Trailing arms connected by a U-shaped torsion bar
B60G 2200/462
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2200Indexing codes relating to suspension types
40Indexing codes relating to the wheels in the suspensions
462Toe-in/out
B60G 2204/148
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
GVEHICLE SUSPENSION ARRANGEMENTS
2204Indexing codes related to suspensions per se or to auxiliary parts
10Mounting of suspension elements
14Mounting of suspension arms
148on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
Applicants
  • BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT [DE]/[DE] (AllExceptUS)
  • JAKOB, Benjamin [DE]/[DE] (UsOnly)
Inventors
  • JAKOB, Benjamin
Common Representative
  • BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT [DE]/[DE]
Priority Data
10 2008 031 123.502.07.2008DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) GEGENLENKENDE FAHRZEUG-HINTERACHSE
(EN) COUNTERSTEERING AUTOMOTIVE REAR AXLE
(FR) ESSIEU ARRIÈRE DE VÉHICULE À CONTRE-BRAQUAGE
Abstract
(DE)
Die Erfindung betrifft eine gegenlenkende Fahrzeug-Hinterachse, die unter Einwirkung einer Seitenkraft auf das an einem Radträger befestigte kurvenäußere Rad eine Drehbewegung dieses Radträgers um eine virtuelle Spreizachse in Richtung Vorspur veranlasst, wobei das Tragteil einen zur Ebene des Radträgers im wesentlichen parallelen Abschnitt sowie einen sich hieran in Fahrtrichtung betrachtet hinter dem Rad-Mittelpunkt anschließenden und sich im wesentlichen in Fahrzeug-Querrichtung erstreckenden Abschnitt aufweist, der in einer seitlichen Projektion im wesentlichen gleichermaßen wie die virtuelle Spreizachse gegenüber der Vertikalrichtung geneigt ist, und dass dieses Tragteil zumindest an den freien Enden eines in seitlicher Projektion näherungsweise U-förmigen Tragblechs abgestützt ist, welches seinerseits am Achskörper befestigt ist. Vorzugsweise ist oberhalb und/oder unterhalb des Rad-Mittelpunktes ein Verstärkungsblech vorgesehen, über welches das Tragteil sowie das Tragblech am Achskörper abgestützt sind.
(EN)
The invention relates to a countersteering automotive rear axle, inducing a rotational motion of a wheel carrier about a virtual axis of spread in the direction of positive toe-in under the effect of a side force on the wheel on the outside of a curve and mounted on said wheel carrier, wherein the support comprises a segment substantially parallel to the plane of the wheel carrier and a segment extending substantially in the transverse vehicle direction and abutting said segment behind the wheel center point in the direction of travel, said segment being tilted in a side projection substantially identically to the virtual spread axis relative to the vertical direction, and that said carrier is supported at least at the free ends of an approximately U-shaped sheet metal support in a side projection, said support in turn being mounted on the axle body. A sheet metal reinforcement is preferably provided above and/or below the wheel center point, by means of which the support and the sheet metal support are supported on the axle body.
(FR)
L'invention concerne un essieu arrière de véhicule à contre-braquage qui, sous l'effet d'une force latérale sur la roue extérieure au virage fixée sur un support de roue, commande un mouvement de rotation de ce support de roue autour d'un axe virtuel de pincement dans le sens d'un pincement positif. L'élément porteur comprend un segment sensiblement parallèle au plan du support de roue et un segment le poursuivant, en considérant la direction de déplacement, se trouvant derrière le centre de la roue et s'étendant sensiblement dans la direction transversale du véhicule. Ce segment, en projection latérale, est incliné par rapport à la direction verticale substantiellement de la même manière que l'axe virtuel de pincement. Cet élément porteur, au moins à ses extrémités libres, repose sur une tôle porteuse ayant approximativement une forme de U en projection latérale et fixée à son tour sur le corps de l'essieu. De préférence, il est prévu au-dessus et/ou au-dessous du centre de la roue une tôle de renforcement grâce à laquelle l'élément porteur et la tôle porteuse s'appuient sur le corps d'essieu.
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