EP3426508A1 - Fahrwerklenker in sandwichbauweise - Google Patents
Fahrwerklenker in sandwichbauweiseInfo
- Publication number
- EP3426508A1 EP3426508A1 EP17704221.5A EP17704221A EP3426508A1 EP 3426508 A1 EP3426508 A1 EP 3426508A1 EP 17704221 A EP17704221 A EP 17704221A EP 3426508 A1 EP3426508 A1 EP 3426508A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- joint
- link
- receptacles
- foam core
- cover layers
- 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- Withdrawn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
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- 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
- B60G2206/013—Constructional features of suspension elements, e.g. arms, dampers, springs with embedded inserts for material reinforcement
-
- 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
-
- 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
- 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
- B60G2206/124—Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone
-
- 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
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
- B60G2206/7101—Fiber-reinforced plastics [FRP]
-
- 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
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
- B60G2206/7104—Thermoplastics
Definitions
- the invention relates to a suspension link for a vehicle, comprising a link body formed from fiber-reinforced plastic, which comprises a plurality of mutually spaced joint receptacles. Furthermore, the invention relates to a method for producing such a suspension arm.
- Core composites also called sandwich structures, often consist of
- honeycomb structures can only be deformed to a very limited extent because the honeycombs collapse at relatively high degrees of deformation and thus lose their compressive and shear stiffness.
- core materials of non-thermoplastic materials are unsuitable for thermoforming processes. As a rule, such cores are glued or processed by wet process.
- chassis and body parts from the field of
- Structures made of fiber-reinforced materials are often present as monolithic laminates. To increase the bending stiffness is the distance of the bearing
- Laminate layers of the neutral fiber crucial. Furthermore, hollow sections are ideally used for a high degree of lightweight construction and efficient use of materials. Due to the complexity of the known manufacturing processes for components formed from fiber-plastic composites (FRP), they can be realized in economically attractive processes but only with simple geometries. For components with more complex geometries, however, the manufacturing processes are expensive and expensive. Furthermore, problems arise in joint integration, especially in chassis components. In addition, there is a problem of insufficient rigidity in components made of thermoplastic or thermoset FKV constructions based on tethers and / or fabrics or fiber tapes. Proceeding from this, the present invention seeks to provide a rigid chassis handlebar with low mass, which is inexpensive to produce and in particular suitable for mass production.
- FRP fiber-plastic composites
- the suspension link for a vehicle in particular a motor vehicle, has a link body formed from fiber-reinforced plastic, which comprises a plurality of mutually spaced joint receptacles, wherein the link body is formed as a core composite with fiber-reinforced thermoplastic cover layers and one or at least one arranged between them thermoplastic foam core.
- thermoplastic cover layers By combining the fiber-reinforced thermoplastic cover layers with the thermoplastic foam core, it is possible to process the cover layers together with the foam core in economically attractive thermoforming processes to form a highly rigid and lightweight composite structure. Furthermore, allow
- Thermoplastic materials a simple integration of functional components, such. Joints, by using the injection molding process.
- the core composite formed from the cover layers and the foam core thus forms an alternative to the conventional hollow structures.
- the term "core composite” can also be replaced by the term "sandwich structure”.
- thermoplastic topcoats also known as thermoplastic topcoats
- Organo sheet may be referred to, preferably comprises a thermoplastic matrix, are embedded in the fibers.
- the fibers are in particular continuous fibers.
- the fibers are or include carbon fibers, glass fibers, aramid fibers and / or natural fibers.
- the matrix of each cover layer preferably consists of polyamide (PA), polypropylene (PP), polyphenylene sulfide (PPS) or polyetheretherketone (PEEK).
- the number of cover layers is preferably two.
- thermoplastic foam core preferably consists of one
- thermoplastic foam formed foam or foam.
- the foam core consists of polyamide (PA), polymethacrylimide (PMI) or one of the aforementioned plastics (PP, PPS, PEEK).
- the thermoplastic foam core is e.g. mixed with fibers.
- the thermoplastic foam core is e.g. mixed with fibers.
- thermoplastic matrix each cover layer non-positively and / or materially connected to the thermoplastic foam core. This connection takes place
- each cover layer in particular in a plasticized state, each cover layer and / or the thermoplastic matrix of each cover layer.
- the cover layers enclose the foam core, in particular completely or at least partially.
- the foam core in particular completely or at least partially.
- Cover layers in each case a shell or half-shell, wherein the foam core is enclosed between the shells or half-shells.
- the cover layers in particular solid and / or cohesive, are interconnected.
- the cover layers are connected to each other at the edge or at least at the edge, in particular fixed and / or materially bonded.
- the foam core is thus preferably within a formed by the cover layers
- the foam core is protected in particular against external influences.
- the, preferably solid and / or cohesive, compound of the outer layers with each other gives the handlebar body a higher
- the link body and / or at least one of the cover layers is partially reinforced with fiber tapes, which are in particular unidirectional fiber tapes.
- the fiber tapes are applied to the handlebar body and / or the at least one cover layer.
- the fiber Tapes cohesively with the handlebar body and / or the at least one
- the fiber tapes each comprise a thermoplastic matrix and fibers embedded therein, which are preferably aligned identically. These fibers are in particular continuous fibers. Through the fiber tapes, e.g. Reinforced areas of the handlebar body, which are exposed to increased stress during operation. It would also be conceivable to construct the link body and / or at least one cover layer exclusively from unidirectional fiber tapes.
- the joint receptacles each comprise one, preferably cylindrical, recess and / or a bearing eye, which is or in particular provided in or on the handlebar body.
- the joint receptacles are each formed by a, preferably cylindrical, recess and / or a bearing eye, which is or in particular provided in or on the link body.
- the number of joint receptacles is preferably two, at least two or three. In particular, in each of the joint receptacles and / or in each of the
- each of the bearing eyes a joint, which, for example. a rubber bearing or a ball joint is.
- the link body comprises one or at least one link arm, at the ends of each of which one of the joint receptacles is provided.
- the number of joint receptacles in this case is preferably two.
- the suspension handlebar forms a 2-point handlebar.
- the joint receptacles are aligned parallel or perpendicular or twisted to each other.
- ball joints or rubber bearings are introduced into the joint receptacles.
- the articulated receptacles provided at the ends of the link arm preferably comprise recesses introduced into the end areas of the link arm and / or are formed by them.
- the joint receptacles provided at the ends of the link arm are formed by bearing eyes provided at the ends of the link arm.
- the link body comprises two link arms, which are connected to each other in a transition region, in which one of the joint receptacles is provided, wherein at the ends facing away from the transition region of the link arms, respectively, another of the joint receptacles is provided.
- the number of joint receptacles in this case is preferably three.
- the suspension handlebar forms a 3-point handlebar.
- the transition area forms
- Transition area provided joint seat perpendicular to the other
- the other joint receptacles are the same or identical.
- the joint receptacles lie on the corners of a triangle, which is preferably an isosceles triangle. The same legs of this triangle extend in particular between one of the other joint receptacles and the joint receptacle provided in the transition region.
- the joint receptacle provided in the transition region preferably comprises a recess introduced into the transition region of the link body and / or is formed by the latter.
- the other joint receptacles are preferably formed by bearing eyes provided at the ends of the link arms facing away from the transition region.
- a rubber bearing is introduced into the other joint receptacles and / or in the bearing bushes.
- the bushings are preferably made of plastic or metal.
- the bearing bushes are cylindrical.
- Transition region provided joint receptacle is preferably introduced a ball joint.
- the bearing bushes and / or the rubber bearings are surrounded by the outer layers.
- the bushings and / or the rubber bearings are each surrounded by one of the outer layers in half or in part.
- the invention further relates to a method for producing a suspension link for a vehicle, in particular a motor vehicle, which has a link made of fiber reinforced plastic link body comprising a plurality of mutually spaced joint receptacles, wherein the link body of fiber reinforced
- thermoplastic cover layers and one or at least one
- thermoplastic foam core is assembled by this under
- Forming a core composite between the cover layers is arranged.
- the suspension link produced by the method is preferably the suspension link described above.
- the method according to all described in connection with the suspension control arm configurations is preferably the suspension link described above.
- suspension link can be developed according to all embodiments described in connection with the method.
- each of the cover layers and / or the thermoplastic matrix of each cover layer is plasticized by supplying heat.
- the foam core is preferably heated. The heating of the foam core may be done separately or together with plasticizing the cover layers and / or plasticizing the matrix each
- each of the plasticized cover layers and / or the plasticized matrix of each cover layer enters into a frictional and / or material-bonding connection with the thermoplastic foam core.
- the cover layers in particular in
- Foam core transformed to form the handlebar body.
- the forming is preferably carried out in one and / or by a forming tool.
- the foam core already has a near-net shape prior to forming.
- the foam core is formed by forming only in edge areas.
- the cover layers By forming and / or during the forming of the foam core is preferably of the cover layers, in particular completely or at least partially, enclosed.
- the cover layers are reshaped by forming and / or during forming in each case into a shell or half shell, wherein the foam core is enclosed between the shells or half shells.
- the cover layers Preferably, by the forming and / or during the forming, the cover layers, in particular firmly and / or cohesively, connected to each other.
- the outer layers edge or at least edge By the forming and / or during the forming the outer layers edge or at least edge,
- the link body and / or at least one of the cover layers is partially reinforced with fiber tapes, which are in particular unidirectional fiber tapes.
- the fiber tapes are applied to the handlebar body and / or the at least one cover layer.
- the fiber tapes are materially connected to the link body and / or the at least one cover layer. It would also be conceivable to construct the link body and / or at least one cover layer exclusively from unidirectional fiber tapes.
- the joint receptacles each comprise one, preferably cylindrical, recess and / or a bearing eye. It is advantageous for the training of everyone
- Joint receptacle one or the respective recess and / or one or the respective bearing eye provided in or on the handlebar body.
- the number of joint receptacles is preferably two, at least two or three.
- a joint is introduced, which e.g. a rubber mount or a
- the link body is formed with one or at least one link arm, at the ends of each one of the joint recordings is provided.
- the number of joint recordings is in this case
- the suspension handlebar forms a 2-point handlebar.
- the joint mounts are formed parallel or perpendicular or twisted aligned with each other.
- ball joints or rubber bearings are introduced into the joint receptacles.
- the foam core prefabricated with one or at least one Lenkerarmkern.
- the link arm core forms a part of the foam core provided in the link arm.
- the articulated receptacles provided at the ends of the link arm preferably comprise recesses introduced into the end regions of the link arm and / or are formed by them.
- the joint receptacles provided at the ends of the link arm are formed by bearing lugs provided at the ends of the link arm.
- one or the respective recess and / or one or the respective bearing eye is provided in one of the end regions or at one of the ends of the handlebar body for the purpose of forming each of the joint receptacles provided at the ends of the link arm.
- the suspension handlebar forms a 3-point handlebar.
- the transition region forms in particular an area of the
- Joint recording designed to be aligned perpendicular to the other joint recordings.
- the other joint receptacles are designed to be identical or identically aligned. It is preferred, in particular before the
- the foam core prefabricated with two Lenkerarmkernen, which are interconnected in a transition area core.
- the link arm cores in the link arms provided parts of the foam core and the transition region core form a part of the foam core provided in the transition region.
- the joint receptacle provided in the transition region preferably comprises a recess introduced into the transition region of the link body and / or is formed by the latter.
- one or the recess is provided in the transition region of the handlebar body to form the joint receiving means provided in the transition region.
- the handlebar arms preferably formed by at the opposite ends of the transitional region of the handlebar arms provided bearing eyes.
- a bearing bush is arranged and / or introduced and / or pressed in the other joint receptacles.
- a rubber bearing is introduced into the other joint receptacles and / or in the bearing bushes.
- a ball joint is preferably introduced in the joint area provided in the joint receiving.
- the bearing bushes and / or the rubber bearings in particular by the forming and / or during the forming, surrounded by the outer layers.
- the bushings and / or the rubber bearings in particular by the forming and / or during forming, in each case surrounded by one of the outer layers in half or in part.
- each joint receptacle is or becomes part of one of the cover layers and to another part by another of the
- the suspension arm is or will be preferred in the chassis of or one
- the handlebar body is articulated, in particular by the joints, on two or at least two vehicle components.
- a first of the vehicle components is, for example, a wheel carrier.
- a second of the vehicle components is, for example, a vehicle body, a subframe or a subframe. It is advantageous or is the handlebar body with its provided in the transition region joint on the first component and with its articulated at the ends facing away from the transitional ends of the link arms articulated joints on the second vehicle component.
- FIG. 1 is a perspective view of a suspension arm according to a
- Fig. 2 is a plan view of the suspension arm with partially removed
- Fig. 3 is a sectional view of the suspension arm along the apparent from Fig. 2 section line A-A and
- Fig. 4 is a side view of the suspension arm with joints.
- Fig. 1 is a perspective view of a suspension arm 1 according to an embodiment can be seen, which is designed as a 3-point link and a handlebar body 2 with two link arms 3 and 4, which in a
- Transition region 5 of the handlebar body 2 are interconnected.
- a joint receptacle 6 is provided which has a in the
- Handlebar body 2 introduced recess 7 includes, wherein at the
- Transition region 5 opposite ends of the link arms 3 and 4 each have a different hinge mount 8 and 9 is provided in the form of a bearing eye.
- the joint receptacle 8 is provided at the end of the link arm 3 and the joint receptacle 9 at the end of the link arm 4.
- a bearing bush 10 is introduced in each case.
- the link body 2 is composed of two fiber-reinforced thermoplastic cover layers 11 and 12 and a thermoplastic foam core 13 which is arranged between the cover layers 11 and 12 and enclosed by them.
- Each of the cover layers 11 and 12 thus forms a half-shell, wherein the
- Foam core 13 is enclosed between the half shells. So the
- Foam core 13 can be seen from Fig. 1, the cover layer 11 has been omitted in the region of the link arm 4 and in parts of the transition region 5.
- each of the bearing lugs 8 and 9 is formed on the one half by the cover layer 11 and the other half by the cover layer 12, so that in each case a seam 16 results on the bearing eyes 8 and 9, abut the cover layers 11 and 12 against each other.
- the cover layers are bonded to one another at their edges 14 and 15 and at the seams 16. Furthermore, the
- Foam core 13 cohesively connected to each of the cover layers 11 and 12.
- joint receptacles 8 and 9 are aligned identically or identically, whereas the joint receptacle 6 is perpendicular to each of the joint receptacles 8 and 9
- straight line 17 has a central longitudinal axis of the joint receptacle 6, the straight line 18 a
- M mediate longitudinal axis of the joint receptacle 8 and the straight line 19 represents a central longitudinal axis of the joint receptacle 9.
- the joint receptacle 6 is provided for receiving a ball joint 20, which is to be introduced into the recess 7.
- the joint receptacles 8 and 9 are each for receiving a rubber bearing
- Fig. 2 is a plan view of the suspension arm 1 can be seen, in which case the cover layer 11 has been partially omitted. Further, the bushings 10 have been omitted. On the handlebar body 2 are shown schematically fiber tapes
- Fig. 3 shows a sectional view of the suspension arm 1 along the apparent from Fig. 2 section line AA and thus also a section through the foam core 13. It can be clearly seen that the foam core 13 between the two
- Cover layers 11 and 12 is arranged and together with these forms a sandwich structure.
- FIG. 4 shows a side view of the chassis link 1 in a ready-to-mount state, in which a joint is introduced into each of the joint receivers.
- the suspension arm 1 can be installed in the chassis of a motor vehicle.
- a ball joint 20 and in each of the bearing bushes 10, a rubber bearing 21 is inserted into the joint receptacle 6. From Fig. 4 of the rubber bearings 21 but only in the joint receptacle 9 sitting
- Rubber bearing 21 can be seen.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016203853.2A DE102016203853A1 (de) | 2016-03-09 | 2016-03-09 | Fahrwerklenker |
PCT/EP2017/052669 WO2017153109A1 (de) | 2016-03-09 | 2017-02-08 | Fahrwerklenker in sandwichbauweise |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3426508A1 true EP3426508A1 (de) | 2019-01-16 |
Family
ID=58009814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17704221.5A Withdrawn EP3426508A1 (de) | 2016-03-09 | 2017-02-08 | Fahrwerklenker in sandwichbauweise |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3426508A1 (de) |
DE (1) | DE102016203853A1 (de) |
WO (1) | WO2017153109A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6402861B2 (ja) | 2016-01-21 | 2018-10-10 | トヨタ自動車株式会社 | 車両のサスペンション部材 |
CN108544768A (zh) * | 2018-05-11 | 2018-09-18 | 奇瑞汽车股份有限公司 | 汽车悬架横臂的制造方法 |
DE102020212622A1 (de) * | 2020-10-06 | 2022-04-07 | Zf Friedrichshafen Ag | Mehrpunktlenker für ein Fahrwerk |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2154520A (en) * | 1984-02-25 | 1985-09-11 | Ford Motor Co | Vehicle suspension wishbone |
DE4422579C2 (de) * | 1993-10-06 | 1999-03-11 | Abb Daimler Benz Transp | Verbundbauteil als Zug-Druck-Stange für Schienenfahrzeuge |
DE19504086A1 (de) * | 1995-02-08 | 1996-08-14 | Trw Fahrwerksyst Gmbh & Co | Fahrwerkstrebe |
ITTO20010253A1 (it) * | 2001-03-16 | 2002-09-16 | Sistemi Sospensioni Spa | Elemento strutturale per una sospensione di un autoveicolo e procedimento per la sua realizzazione. |
DE102007053120B4 (de) * | 2007-11-08 | 2021-06-24 | Bayerische Motoren Werke Aktiengesellschaft | Fahrzeug-Radträger, insbesondere Achsschenkel oder Schwenklager, aus einem Faserverbundwerkstoff, sowie Herstellverfahren hierfür |
DE102009054999A1 (de) * | 2009-12-18 | 2011-06-22 | Henkel AG & Co. KGaA, 40589 | Verbundbauteil |
DE102010037817A1 (de) * | 2010-09-28 | 2012-03-29 | Thyssenkrupp Steel Europe Ag | Struktur- oder Fahrwerkteil eines Kraftfahrzeugs |
WO2012136264A1 (en) * | 2011-04-07 | 2012-10-11 | Hochschule Für Technik Rapperswil | Wheel suspension for low weight vehicles |
DE102012218686A1 (de) * | 2012-10-15 | 2014-04-17 | Zf Friedrichshafen Ag | Bauteil für ein Fahrwerk eines Fahrzeugs |
DE102012221404A1 (de) * | 2012-11-22 | 2014-06-05 | Bayerische Motoren Werke Aktiengesellschaft | Aus einem Faserverbund bestehende Komponente, insbesondere für das Fahrwerk eines Kraftfahrzeuges |
DE102014202357A1 (de) * | 2014-02-10 | 2015-08-13 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Herstellung eines Verbundbauteils und Verbundbauteil |
DE202014101418U1 (de) * | 2014-03-26 | 2015-07-22 | Hqm Sachsenring Gmbh | Fahrwerkbauteil, insbesondere Fahrwerkstrebe bzw. -lenker oder Elastomerlager |
DE102014214827A1 (de) * | 2014-07-29 | 2016-02-04 | Zf Friedrichshafen Ag | Lenker sowie Verfahren zu dessen Herstellung |
-
2016
- 2016-03-09 DE DE102016203853.2A patent/DE102016203853A1/de not_active Ceased
-
2017
- 2017-02-08 EP EP17704221.5A patent/EP3426508A1/de not_active Withdrawn
- 2017-02-08 WO PCT/EP2017/052669 patent/WO2017153109A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017153109A1 (de) | 2017-09-14 |
DE102016203853A1 (de) | 2017-09-14 |
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