WO2008040285A1 - Suspension à roues indépendantes - Google Patents

Suspension à roues indépendantes Download PDF

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Publication number
WO2008040285A1
WO2008040285A1 PCT/DE2007/001615 DE2007001615W WO2008040285A1 WO 2008040285 A1 WO2008040285 A1 WO 2008040285A1 DE 2007001615 W DE2007001615 W DE 2007001615W WO 2008040285 A1 WO2008040285 A1 WO 2008040285A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
wheel suspension
suspension according
wheel
link
Prior art date
Application number
PCT/DE2007/001615
Other languages
German (de)
English (en)
Inventor
Felix Haeusler
Simon Aramah
Knut Heidsieck
Original Assignee
Zf Friedrichshafen 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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2008040285A1 publication Critical patent/WO2008040285A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/007—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces means for adjusting the wheel inclination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B60G3/26—Means for maintaining substantially-constant wheel camber during suspension movement ; Means for controlling the variation of the wheel position during suspension movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D9/00—Steering deflectable wheels not otherwise provided for
    • B62D9/04—Steering deflectable wheels not otherwise provided for combined with means for inwardly inclining wheels on bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/144—Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/40—Indexing codes relating to the wheels in the suspensions
    • B60G2200/46—Indexing codes relating to the wheels in the suspensions camber angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/421—Pivoted lever mechanisms for mounting suspension elements, e.g. Watt linkage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422—Links for mounting suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422—Links for mounting suspension elements
    • B60G2204/4222—Links for mounting suspension elements for movement on predefined locus of, e.g. the wheel center
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/82—Interactive suspensions; arrangement affecting more than one suspension unit left and right unit on same axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/83—Type of interconnection
    • B60G2204/8302—Mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/24—Steering, cornering

Definitions

  • the invention relates to an independent suspension according to the preamble of claim 1.
  • US 6,929,271 B2 Another suspension for a motor vehicle is known from US 6,929,271 B2.
  • the wheel suspension described in the document has stabilizers as compensation means for correcting wheel positions such as the camber, wherein both a connection of two opposing wheels, so the wheels of both sides of the vehicle, as well as a coupling front with rear wheels is provided.
  • compensation means come in this solution in the stabilizer of the motor vehicle integrated, double-acting piston-cylinder units are used, which cause, for example in a curve passage compensation unwanted wheel movements.
  • the known from US 6,929,271 B2 suspension has a wishbone, which is pivotally coupled to a wheel bearing a vehicle wheel.
  • the invention has for its object to provide an independent suspension for the steerable vehicle wheels of a motor vehicle whose kinematics when driving straightforward optimal support of the vehicle wheel on the road surface allows and avoids misalignments of the vehicle during the compression or rebound.
  • An independent suspension for a motor vehicle wherein at least a first and at least a second link are each pivotally coupled to a wheel carrier carrying a vehicle wheel, wherein the independent suspension has compensation means for correcting wheel positions and at least the first and the second link have a compensation means or with a Compensation means are connected and at least two compensation means are interconnected by at least one coupling member, according to the invention further developed such that at least one of the compensation means of a steerable vehicle wheel with a corresponding compensation means of the arranged on the opposite side of the vehicle steerable vehicle wheel of the motor vehicle is connected.
  • the invention thus has a connection of the steerable vehicle wheels of the motor vehicle to create a mutual compensation of wheel positions.
  • a passive camber adjustment for steerable vehicle wheels was created.
  • the driving behavior of a motor vehicle equipped with the invention can be varied from “oversteer” via “neutral behavior” to "understeer.”
  • disturbing influences which occur, for example, due to camber and gage changes during straight-ahead travel on uneven roads can be avoided
  • the contact surface between the vehicle tire and the road surface is optimized in such an embodiment, which in turn leads to reduced tire wear, improved stiction and thus an increase in driving safety of the motor vehicle as a whole.
  • the independent suspension according to the invention can have both mechanical and hydraulic, pneumatic or electric motor driven compensation means.
  • preferred mechanical versions since they are easy to implement.
  • the connections between the compensating means are designed as hinged connections.
  • each of the compensating means on joints for connection with the links, the respective Koppungsgüed and the vehicle body.
  • These articulated connections are technically feasible through different bearings, of which a sufficient choice is available.
  • slide bearings, swivel bearings, swivel joints, ball joints, rubber bushes or other elastomeric bearings may be mentioned at this point.
  • the mentioned bearings or joints each have one to three degrees of freedom.
  • each rotary link preferably has joints for connection to the links each coupling member and the vehicle body.
  • the usable joints were previously explained in detail in connection with the connections between the compensating means.
  • Different dimensions of the rotary link are also in the invention range, in order to achieve a desired Rad einskorrektur under side force influence.
  • a preferred geometric design of the rotary link is also to be seen in that on each side of the respective steerable vehicle wheels, the distance between the vehicle body-side, related to the motor vehicle upper attachment points and the lower connection points of an upper rotary link is greater than the distance between the vehicle body-side, upper connection points and the lower connection points of the remaining, ie lower rotary link.
  • the ratio of the distance of the vehicle body-side, related to the motor vehicle upper connection points of an upper rotary link to the distance of the vehicle wheel side upper connection points of the same upper rotary link greater than the ratio of the distance of the vehicle body-side upper connection points, the distance of the vehicle wheel side upper connection points of the remaining, ie lower rotary link be.
  • the links acting as wishbones are parts of an independent suspension according to the invention, which may be part of a multi-link axle or a central link axle.
  • the term "handlebars" is not to be interpreted restrictively, but also includes components of a motor vehicle that perform the same function, such as tie rods, for example.
  • Figure 1 A simplified representation of a non-deflected independent suspension with a rotary core as a mechanical compensation means
  • Figure 2 the independent suspension of Figure 1, but in a deflected position of the vehicle wheels.
  • the simplified representation of a non-deflected independent suspension shown in Figure 1 has two steerable vehicle wheels 7 and 8, as they are known for example as the front wheels of a motor vehicle.
  • the vehicle wheels 7 and 8 are each attached to a wheel carrier 9, 10.
  • the wheel carriers 9, 10 are articulated to a first link 1, 4 and also hingedly connected to a second link 2, 5.
  • the first and the second link in the example in each case the upper arm 1, 4 and the lower arm 2, 5 of the independent suspension.
  • the peculiarity of the illustrated in Figure 1 independent suspension is that as a mechanical compensation means 11, 12, 13 and 14, 15, 16 rotary joints are used, which have three triangular link, each with three, with a, b and c designated attachment points.
  • the steering gear housing 21 is articulated in the connection points 12b and 15b
  • each upper rotary link 11, 14 arranged on each side of the vehicle and two each other in the altitude deviating from these rotary core 11, 14, in the above example lower rotary core 12, 13 and 15, 16 is formed by coupling members 17, 18 and 19, 20 articulated connection.
  • the coupling members 17, 18 and 19, 20 are executed in the embodiment as pendulum supports.
  • the attachment of the upper rotary handle 11, 14 takes place on the vehicle body 24 each with suitable joints.
  • rotary bearing with an elastomeric sheath As an example may be mentioned here rotary bearing with an elastomeric sheath. The same applies to the lower rotary link 12, 13 and 15, 16.
  • FIG. 2 again shows the principle of an independent suspension according to the invention which has already been described in more detail in connection with FIG. 1 in a deflected position, as would result, for example, when passing through a curve.
  • the steering movement is introduced in a known manner via the steering wheel 23 and transmitted by means of the steering column 25 to the steering gear 22.
  • the steering column has, in a manner known per se, a plurality of universal joints, not designated or shown in detail in the figures, so that a movement of the steering gear housing 21 is not transmitted to the steering wheel 23.
  • the direction of travel is also designated by an arrow "A" in Figure 2.
  • a lateral force Fs acts on the vehicle wheels 7, 8.
  • the vehicle wheels are characterized by an inclination to the vertical during the passage through the curve.
  • Compensating means (rotary handle, wishbone)
  • Compensating means (rotary handle, wishbone)
  • Compensating means (rotary handle, wishbone)
  • Compensating means (rotary handle, wishbone)
  • Compensating means (rotary handle, wishbone)
  • Coupling member pendulum support

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne une suspension à roues indépendantes pour un véhicule automobile, selon laquelle au moins un premier et au moins un deuxième bras oscillants (1, 2, 3, 4, 5, 6) sont respectivement couplés en articulation à un support de roue (9, 10) portant une roue de véhicule (7, 8). La suspension à roues indépendantes présente des moyens d'équilibrage (11, 12, 13, 14, 15, 16) pour corriger des positions de roue. Au moins le premier et le deuxième bras oscillants (1, 2 ou 4, 5) disposent d'un moyen d'équilibrage (11, 13 ou 14, 16) ou sont reliés à un moyen d'équilibrage (11, 12, 13), et au moins deux moyens d'équilibrage (11, 13 ou 14, 16) sont reliés entre eux par au moins un élément de couplage (17, 18, 19, 20). Selon l'invention, au moins un des moyens d'équilibrage (12) d'une roue de véhicule (7) est relié à un moyen d'équilibrage correspondant (15) de la roue de véhicule (8) qui, parmi les roues directrices (7, 8) du véhicule automobile, est disposée sur le côté opposé du véhicule.
PCT/DE2007/001615 2006-09-28 2007-09-11 Suspension à roues indépendantes WO2008040285A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006046241.6 2006-09-28
DE200610046241 DE102006046241A1 (de) 2006-09-28 2006-09-28 Einzelradaufhängung

Publications (1)

Publication Number Publication Date
WO2008040285A1 true WO2008040285A1 (fr) 2008-04-10

Family

ID=38829643

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2007/001615 WO2008040285A1 (fr) 2006-09-28 2007-09-11 Suspension à roues indépendantes

Country Status (2)

Country Link
DE (1) DE102006046241A1 (fr)
WO (1) WO2008040285A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109992912A (zh) * 2019-04-09 2019-07-09 哈尔滨理工大学 一种基于变异系数法的最优回弹补偿系数确定方法
US10710634B2 (en) * 2018-06-05 2020-07-14 Hyundai Motor Company Active geometry control suspension

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008040505B4 (de) * 2008-07-17 2021-04-01 Zf Friedrichshafen Ag Eigenlenkende Radaufhängung mit Geradführung
DE102017207723A1 (de) * 2017-05-08 2018-11-08 Bayerische Motoren Werke Aktiengesellschaft Lenkungsbaugruppe für ein Kraftfahrzeug und Kraftfahrzeug

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1239724A (fr) * 1969-02-12 1971-07-21
US4700972A (en) * 1985-06-20 1987-10-20 Young Colin G Computerized, central hydraulic, electronic variable suspension
DE3730212A1 (de) * 1987-09-09 1989-03-30 Bayerische Motoren Werke Ag Unabhaengige radaufhaengung fuer kraftfahrzeuge
JPH03279010A (ja) * 1990-03-28 1991-12-10 Nissan Motor Co Ltd 車両用サスペンション
JPH0664438A (ja) * 1992-08-17 1994-03-08 Nissan Motor Co Ltd 車両用サスペンション装置
WO1996037375A1 (fr) * 1995-05-22 1996-11-28 Hyundai Motor Company Systeme de suspension de vehicule pour roue directionnelle
US20020093152A1 (en) * 1997-05-16 2002-07-18 Conception Et Developpement Michelin S.A. Vehicle suspension having active camber variation
US6467783B1 (en) * 1999-07-23 2002-10-22 Compagnie Generale Des Et Establissements Michelin-Michelin & Cie Motor vehicle equipped with a system for controlling the camber of the wheels of the vehicle on a bend
US20030122336A1 (en) * 2002-01-02 2003-07-03 Adam Zadok Anti-roll suspension for automobiles
US20030164603A1 (en) * 2002-03-02 2003-09-04 Adam Zadok Anti-roll automobile suspension
WO2007090372A1 (fr) * 2006-02-10 2007-08-16 Zf Friedrichshafen Ag Suspension de roue

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE807755C (de) * 1950-03-22 1951-07-02 Klaus Rieger Vorrichtung zum Schraegstellen des Wagenkastens beim Kurvenfahren
FR2763300A1 (fr) * 1997-05-16 1998-11-20 Conception & Dev Michelin Sa Vehicule comportant une suspension a variation de carrossage actif
DE19956775A1 (de) * 1999-01-22 2001-01-04 Mercedes Benz Lenkungen Gmbh Längenvariable Zahnstangenlenkung mit hydraulischer Kupplung
US6929271B2 (en) * 2001-11-09 2005-08-16 Illinois Tool Works Inc. Hydraulically compensated stabilizer system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1239724A (fr) * 1969-02-12 1971-07-21
US4700972A (en) * 1985-06-20 1987-10-20 Young Colin G Computerized, central hydraulic, electronic variable suspension
DE3730212A1 (de) * 1987-09-09 1989-03-30 Bayerische Motoren Werke Ag Unabhaengige radaufhaengung fuer kraftfahrzeuge
JPH03279010A (ja) * 1990-03-28 1991-12-10 Nissan Motor Co Ltd 車両用サスペンション
JPH0664438A (ja) * 1992-08-17 1994-03-08 Nissan Motor Co Ltd 車両用サスペンション装置
WO1996037375A1 (fr) * 1995-05-22 1996-11-28 Hyundai Motor Company Systeme de suspension de vehicule pour roue directionnelle
US20020093152A1 (en) * 1997-05-16 2002-07-18 Conception Et Developpement Michelin S.A. Vehicle suspension having active camber variation
US6467783B1 (en) * 1999-07-23 2002-10-22 Compagnie Generale Des Et Establissements Michelin-Michelin & Cie Motor vehicle equipped with a system for controlling the camber of the wheels of the vehicle on a bend
US20030122336A1 (en) * 2002-01-02 2003-07-03 Adam Zadok Anti-roll suspension for automobiles
US20030164603A1 (en) * 2002-03-02 2003-09-04 Adam Zadok Anti-roll automobile suspension
WO2007090372A1 (fr) * 2006-02-10 2007-08-16 Zf Friedrichshafen Ag Suspension de roue

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10710634B2 (en) * 2018-06-05 2020-07-14 Hyundai Motor Company Active geometry control suspension
CN109992912A (zh) * 2019-04-09 2019-07-09 哈尔滨理工大学 一种基于变异系数法的最优回弹补偿系数确定方法

Also Published As

Publication number Publication date
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