WO2019111929A1 - Dispositif de suspension - Google Patents

Dispositif de suspension Download PDF

Info

Publication number
WO2019111929A1
WO2019111929A1 PCT/JP2018/044678 JP2018044678W WO2019111929A1 WO 2019111929 A1 WO2019111929 A1 WO 2019111929A1 JP 2018044678 W JP2018044678 W JP 2018044678W WO 2019111929 A1 WO2019111929 A1 WO 2019111929A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
cross member
suspension
lower arm
suspension device
Prior art date
Application number
PCT/JP2018/044678
Other languages
English (en)
Japanese (ja)
Inventor
太輔 妹尾
伊藤　淳史
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Publication of WO2019111929A1 publication Critical patent/WO2019111929A1/fr

Links

Images

Classifications

    • 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

Definitions

  • the present disclosure relates to an independent suspension type suspension device of a vehicle.
  • a double wishbone type suspension device which is one of the methods of independent suspension of wheels, is conventionally used.
  • This type of suspension system includes an upper arm pivotally supported by a side member of a vehicle body frame about a pivot and a lower arm pivotally supported by a suspension cross member on a vehicle body side around a pivot. .
  • the upper arm and the lower arm are connected to the knuckle of the wheel.
  • Patent Document 1 discloses an example of such a suspension device.
  • the suspension device of Patent Document 1 includes the upper arm and the lower arm connected to a knuckle via a ball joint. Furthermore, the suspension device includes a coil spring provided between the lower arm and a spring receiver fixed to the vehicle body frame, a shock absorber extending to the center of the coil spring, and a transversely disposed vehicle width direction. Each have a leaf spring connected to the corresponding lower arm.
  • the bracket which connects a suspension cross member and a side member is provided so that the above-mentioned coil spring circumference may also be covered so that a shock absorber may extend in the center, There is. Therefore, since the bracket connecting the suspension cross member and the side member has a substantially L shape when viewed from the front and rear direction of the vehicle, in order to fix the suspension cross member to the side member, positioning of the bracket relative to the side member is more accurate. is necessary. For example, for this reason, the suspension device of Patent Document 1 has room for improvement in terms of the assemblability of the suspension cross member.
  • the technique of the present disclosure aims to provide a suspension device that is excellent in the assemblability of a suspension cross member to a vehicle body frame.
  • the technique of the present disclosure is configured to pivotally support a wheel knuckle while being pivotally supported by a side member extending in the vehicle longitudinal direction.
  • the absorbing device is connected to a first bracket configured to be connected to the outer side of the side member in the vehicle width direction, and the first bracket Away from the cross member, to provide a suspension device.
  • the suspension cross member is configured to be connected to a vertically lower side of the side member with a second bracket independent of the first bracket.
  • the assemblability of the suspension cross member to the vehicle body frame can be enhanced.
  • FIG. 1 is a block diagram of a suspension apparatus according to an embodiment of the technology of the present disclosure, as viewed from the side of the vehicle.
  • FIG. 2 is a configuration view of one wheel side of the suspension device of FIG. 1 and is a partial cross-sectional view.
  • FIG. 3 is a view for explaining a lower arm and a leaf spring of the suspension device of FIG.
  • FIG. 4 is an explanatory view of the suspension device of FIG.
  • FIG. 5 is an explanatory view of assembly in a conventional suspension device.
  • FIG. 6 is an explanatory view of assembly in the suspension device of FIG.
  • FIG. 1 shows a schematic configuration of a part of a suspension apparatus 10 according to an embodiment of the technology of the present disclosure.
  • the structure by the side of one wheel of suspension device 10 is shown in Drawing 2, and the one part is shown in the section.
  • the suspension device 10 is applied here to the front wheel of a vehicle, and the reference numeral 12 in FIG. 2 is a hub that supports the left front wheel (not shown).
  • FIG. 1 is a view from the side of the left front wheel of the suspension device 10 in FIG. 2 (represented by removing the left front wheel hub and knuckle).
  • the right front wheel side which is not illustrated has substantially the same configuration as that of FIGS. 1 and 2 and the left-right symmetry, the description thereof will be substantially omitted below.
  • the vehicle width direction is a direction substantially orthogonal to the paper surface in FIG. 1 and a direction substantially parallel to the paper surface in FIG. 2, and the vehicle longitudinal direction is a direction substantially parallel to the paper surface in FIG. In a direction substantially orthogonal to
  • the suspension device 10 is configured as an independent suspension type suspension device.
  • the suspension device 10 includes an upper arm 14 having a substantially V-shaped or substantially A-shaped planar shape and a lower arm 16 having a substantially V-shaped or substantially A-shaped planar shape.
  • the knuckle 18 of the wheel is pivotally supported via the ball joint 20, that is, pivotally supported via the upper portion thereof to the upper arm 14, in particular to the outer end (base) 14a in the vehicle width direction. It is done.
  • the knuckle 18 of the wheel is swingably supported via the lower portion thereof to the lower arm 16, particularly to the end (base) 16 a outward in the vehicle width direction, via a ball joint 22.
  • the arm end portions 14 c of the two arm portions 14 b bifurcated in the vehicle width direction from the base portion 14 a of the upper arm 14 are connected to the upper arm bracket 25 a of the bracket 24.
  • the bracket 24 is fixed to a side member 26 disposed extending in the vehicle longitudinal direction.
  • the side members 26 are components of the vehicle body frame BF (not shown) and are disposed on both sides of the vehicle.
  • the bracket 24 is fixed to the side member 26 by five bolts B arranged in a W shape.
  • the number and arrangement of bolts for fixing the bracket 24 are not limited to this.
  • a suspension cross member (suspension cross member) 28 is disposed in the vehicle width direction below the vertical direction of the left and right side members 26 (only the side member 26 on the left side of the vehicle is shown in FIGS. 1 and 2) of the vehicle body frame BF. It is done.
  • the suspension cross member 28 has a certain width in the longitudinal direction of the vehicle, and includes a plurality of members extending in the vehicle width direction and a plurality of members extending in the longitudinal direction of the vehicle provided so as to connect them.
  • the suspension cross member 28 includes a main cross member 30 extending in the vehicle width direction, a sub cross member 32 extending in the vehicle width direction, and a longitudinal member 34 extending in the vehicle longitudinal direction.
  • the sub cross member 32 is disposed substantially in parallel, separated from the main cross member 30.
  • a vertical member 34 is provided across the main cross member 30 and the sub cross member 32.
  • the components of the suspension cross member are generally made of a steel material and they are integrated by welding, but the material and joining method are not limited thereto.
  • such a configuration of the suspension cross member 28 does not exclude that the suspension cross member is composed of only the main cross member in the present disclosure.
  • the vertical member 34 abuts on the side member 26.
  • a steering gear box SU is supported between the main cross member 30 and the sub cross member 32 therebetween.
  • the main cross member 30 is attached to the longitudinal member 34 via the bracket 36.
  • a bracket 36 is attached to the top of the main cross member 30 in the suspension cross member 28.
  • the bracket 36 is provided so as to cover the main cross member 30 from the upper side as shown in FIG. 1 and provided at the upper part with respect to the end (in the vehicle width direction) of the main cross member 30 as shown in FIG. Be Then, as shown in FIG. 1 and FIG. 2, the aforementioned longitudinal member 34 is disposed so as to straddle the top of the bracket 36.
  • the bracket 36 is incorporated inside the suspension cross member 28.
  • the bracket 36 may be attached to the outside of the suspension cross member 28 (that is, the suspension cross member 28 may be attached to the side member 26 via the bracket 36).
  • the suspension cross member 28 is connected to the lower side of the vehicle body frame BF (side member 26) in the vertical direction, and at this time, the suspension cross member 28 has a bracket 36 inside or on the upper side.
  • the bracket 24 is referred to as an upper bracket
  • the bracket 36 is referred to as a lower bracket.
  • the upper bracket 24 corresponds to a first bracket in the art of the present disclosure
  • the lower bracket 36 corresponds to a second bracket in the art of the present disclosure.
  • the secondary cross member 32 is also attached to the longitudinal member 34 via the support bracket 33.
  • a lower end portion of a support bracket 33 extending in a substantially vertical direction (substantially vertical direction) is joined to each of both end portions in the vehicle width direction of the sub cross member 32 so as to cover from the upper side. Then, the upper end portion of the support bracket 33 joined to the sub cross member 32 in this manner is joined to the vertical member 34, whereby the sub cross member 32 is attached to the vertical member 34.
  • the suspension cross member 28 further includes a lower arm bracket 38.
  • the lower arm bracket 38 is connected to the arm ends 16 c of two arms 16 b bifurcated inward in the vehicle width direction from the base portion 16 a of the lower arm 16.
  • the lower arm 16 is swingably supported around the support shaft of the bracket 38.
  • the lower arm bracket 38 is provided to sandwich the main cross member 30 in the vehicle longitudinal direction.
  • the lower arm bracket 38 on the front side of the vehicle is also configured as the support bracket 33 joined to the outer end in the vehicle width direction of the sub cross member 32. Therefore, the lower arm bracket 38 on the front side of the vehicle plays a role as the support bracket 33.
  • the lower arm bracket 38 on the vehicle rear side is connected to the extending portion 30E of the main cross member 30, and the upper end side thereof is attached and fixed to the vertical member 34.
  • the lower arm 16 is not directly connected to the lower bracket 36, and the lower bracket 36 is separated from the lower arm 16.
  • leaf springs 40 are disposed laterally so as to extend in the vehicle width direction.
  • the leaf spring 40 is disposed through the internal cavity 30 s of the main cross member 30 of the suspension cross member 28.
  • One end 40a of the leaf spring 40 is disposed on the support 44 of the lower arm 16 on the left front wheel side (the hub 12 side in FIG. 2) as described later, and the other end is similarly not shown It is disposed at the support portion of the lower arm 16.
  • the support portion 44 is formed on the upper side in the vertical direction of the substantially triangular area formed between the base portion 16 a of the lower arm 16 and the arm portion 16 b extending bifurcated therefrom, that is, above the vehicle substantially horizontally.
  • the leaf spring 40 generally extends in the vehicle width direction and has a slightly convexly curved shape on the upper side in the vertical direction.
  • the middle portion 40 b of the leaf spring 40 is accommodated in the main cross member 30 of the suspension cross member 28 and supported by the bush member 47 with respect to the main cross member 30.
  • the bush member 47 is positioned above the leaf spring 40 in the vertical direction and connected to the inner surface of the main cross member 30, and the bush member 47 is positioned below the leaf spring 40 in the vertical direction and connected to the inner surface of the main cross member 30.
  • a lower bush 50 The leaf spring 40 is provided so as to be pressed against the support portion 44 of the lower arm 16 by the upper bush 48.
  • the upper bush 48 corresponds to a transmission portion provided to be able to transmit the force from the leaf spring 40 to the suspension cross member 28.
  • the lower bush 50 supports the leaf spring 40 so as to enable the leaf spring 40 to perform various functions or functions, for example, also to function as a stabilizer.
  • the leaf spring 40 is substantially S-shaped when different forces are generated on the left and right front wheels, for example, when the left front wheel is lifted upward but the right front wheel is lowered. It can be curved and can act on both the left and right front wheels.
  • the lower arm 16 has the support portion 44 and a lower arm cover portion 16 e provided so as to cover the upper side of the support portion 44 in the vertical direction.
  • the main body portion 16d including the base portion 16a described above and the arm portion 16b extending bifurcated therefrom may be referred to as a lower arm main body portion so as to make the distinction from the cover portion 16e clear.
  • the lower arm body portion 16 d is provided with the support portion 44 for supporting the end of the leaf spring 40.
  • the support portion 44 is provided so as to be mounted on the lower arm 16 and provided so as to be removable or replaceable with respect to the lower arm 16.
  • the support portion 44 like the lower arm 16, is made of a steel material of metal materials.
  • an elastic body 44a is provided under the support portion 44.
  • the elastic body 44a is provided to enhance the buffer capacity when a large force acts on the support portion 44 and to absorb the difference between the rotation locus of the lower arm 16 and the rotation locus of the leaf spring 40.
  • the lower arm 16 with the cover 16e attached to the lower arm main body 16d has an opening 16f opening inward in the vehicle width direction.
  • the leaf spring 40 extends into the space in the lower arm 16 through the opening 16 f, and the end of the leaf spring 40 is supported by the support portion 44 of the lower arm 16.
  • the lower arm 16 has a space, but the cover portion 16e has a predetermined reinforcing shape so as to have a strength or rigidity equal to or higher than a predetermined level.
  • the cover 16e has a substantially arch shape (a substantially U shape) at the opening 16f.
  • the leaf spring 40 is separated from the inner surface of the cover 16e.
  • a shock absorber 46 which is a shock absorbing device, is provided to extend between the lower arm 16 and the side member 26 configured as described above.
  • One end 46 a of the shock absorber 46 is connected to the lower arm 16.
  • the connection 16 g of the shock absorber 46 to the lower arm 16 is provided on the upper surface of the cover 16 e of the lower arm 16 in the vertical direction, and is generally located on the upper side near the base 16 a of the lower arm 16.
  • the other end 46 b of the shock absorber 46 is connected to the connection 25 b of the upper bracket 24 between the two upper arm brackets 25 a.
  • the upper bracket 24 connected to the outer side in the vehicle width direction of the side member 26 is connected to the lower side in the vertical direction of the side member 26 It is separated from the suspension cross member 28 independently.
  • the bracket connecting the suspension cross member and the side member extends to the outside in the vehicle width direction of the side member 26.
  • the bracket connecting the suspension cross member and the side member is provided so as to also cover the periphery of the coil spring in which the shock absorber extends centrally. It is united. Therefore, in the suspension device of Patent Document 1, the design relationship between the components is very strong.
  • the suspension device 10 has the above configuration, and thus has a high degree of freedom in design.
  • the upper bracket 24 is also independent of the lower bracket 36 provided so as to cover the end of the main cross member 30 from the upper side and positioned below the side member 26 in the vertical direction, that is, below.
  • the upper arm 14 and the shock absorber 46 connected to the upper bracket 24 are not directly connected to the lower bracket 36, that is, they are in a disconnected state.
  • the suspension device 10 has a higher degree of freedom in design.
  • the suspension device 10 has a configuration in which the upper bracket 24 and the lower bracket 36 are independent, but as described below, it is excellent in terms of strength or rigidity.
  • one end 46 a of the shock absorber 46 is connected to the lower arm 16 and the other end 46 b is connected to the upper bracket 24.
  • the connection of the shock absorber 46 to the lower arm 16 is outside the upper bracket 24 in the vehicle width direction.
  • the upper bracket 24 is connected to the side member 26 from the outside in the vehicle width direction. Therefore, the shock absorber 46 can exert a force on the side member 26 from the outside to the inside of the vehicle in the vehicle width direction.
  • the first transmission route of the force from the outer side in the vehicle width direction to the side member 26 is formed.
  • a second transmission route of force different from the first transmission route of the force from the outer side in the vehicle width direction to the side member 26 is formed on the lower side of the side member 26 in the vertical direction.
  • the upper bush 48 and the lower bracket 36 independent of the upper bracket 24 are present.
  • the force from the leaf spring 40 can be applied to the side member 26 through the upper bush 48, the main cross member 30, the lower bracket 36, and the vertical member 34 in this order.
  • the lower bracket 36 substantially has a connection area with the main cross member 30 on the inner side of the side member 26 in the vehicle width direction (see FIGS. 2 and 4).
  • This connection area extends vertically upward of the upper bush 48 (which is inside the side member 26 in the vehicle width direction). Therefore, as shown in FIG. 2 and FIG. 4, the lower bracket 30 is formed such that the vertically upper portion is positioned outward in the vehicle width direction than the vertically lower portion. Therefore, when the force F acts on the wheel, the lower bracket 36 more suitably applies the force transmitted from the leaf spring 40 through the main cross member 30 to the side member 26 to generate the moment M2. It can be done.
  • the lower bracket 36 functions as a force transmission member responsible for transmitting the force between the leaf spring 40 and the side member 26 via the main cross member 30 and the upper bush 48 or the like.
  • the suspension device 10 includes a bump rubber 52 and the like provided on the lower bracket 36 so as to enhance the impact resistance and the like.
  • FIG. 5 schematically shows a vehicle body frame BF including left and right side members 26 and a suspension cross member 28 ′ including a bracket B having a substantially L-shaped cross section as in the bracket described in Patent Document 1.
  • a conventional suspension device as shown in Patent Document 1 will be described based on FIG.
  • FIG. 5 schematically shows a vehicle body frame BF including left and right side members 26 and a suspension cross member 28 ′ including a bracket B having a substantially L-shaped cross section as in the bracket described in Patent Document 1.
  • FIG. 5 schematically shows a vehicle body frame BF including left and right side members 26 and a suspension cross member 28 ′ including a bracket B having a substantially L-shaped cross section as in the bracket described in Patent Document 1.
  • the upper bracket 24 and the lower bracket 36 are separated and independent. That is, the upper bracket 24 is not fixed to the suspension cross member 28 and is separated from the suspension cross member 28 independently. And, with this configuration, the upper bracket 24 can be attached to the side member 26 separately from the suspension cross member, and the suspension cross member 28 including the lower bracket 36 can be attached to the side member 26 separately from the upper bracket 24 .
  • the upper arm 14 and the shock absorber 46 are attached to the upper bracket 24. Then, the suspension cross member 28 including the lower bracket 36 is assembled.
  • the position between the upper bracket 24 and the suspension cross member 28 is not fixedly determined.
  • the lower arm 16 is pivotally attached to the suspension cross member 28 and the end 46a of the shock absorber 46 is pivotable (pivotable) around the pivot. Therefore, as schematically shown in FIG. 6, when the suspension cross member 28 is attached to the vehicle body frame BF, the front, rear, left, right and horizontal directions between them are not required as precise as the conventional suspension device. By performing rough positioning, it is possible to bring them into contact with each other and then finely adjust their positional relationship.
  • the upper bracket 24 can be firmly fixed to the side member 26 in a state in which the suspension cross member 28 is fixed to the vehicle body frame BF (especially the side member 26) with the lower bracket 36.
  • the vehicle body of the suspension cross member 28 in particular, of each component. Assemblability to the frame BF (mainly the side member 26) can be improved.
  • this indication is not limited to the above-mentioned embodiment, In the range which does not deviate from the meaning of this indication, it can change suitably and can be carried out.
  • the upper arm and the shock absorber are connected to a single upper bracket 24.
  • the upper bracket 24 is not limited to a single member, and may be composed of two or more members.
  • the upper bracket 24 may be composed of two spaced apart upper arm brackets for connection of the upper arms and a shock absorber connection bracket provided therebetween. These three brackets may be completely separate and independent but preferably are integrally formed or integrally integrated.
  • each component of the technique of the present disclosure may be made of various materials (not limited to being made of the materials as described above).
  • the support portion 44 is not limited to being made of a steel material, and may be made of another material such as a non-ferrous metal material or a resin material.
  • the support portion 44 may be made of a material different from that of the lower arm.
  • the technology of the present disclosure is not limited to application to the front wheels of a vehicle, and may be applied to rear wheels.
  • the present disclosure has the effect of being able to provide a suspension device excellent in the assemblability of the suspension cross member to the vehicle body frame, and can contribute to the realization of a vehicle excellent in workability at the time of manufacture and repair. It is useful in that respect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Un dispositif de suspension 10 selon un mode de réalisation de la présente invention qui est équipé d'un bras supérieur 14 supporté par un élément latéral 26 de façon à pouvoir osciller, un bras inférieur 28 supporté par un élément transversal de suspension 28 de manière à pouvoir osciller, un amortisseur 46 positionné entre le bras inférieur et l'élément latéral, et un ressort à lames 40 positionné dans une orientation horizontale dans le sens de la largeur du véhicule de manière à ce qu'une section d'extrémité de celui-ci soit disposée sur le bras inférieur, le dispositif de suspension étant pourvu d'une configuration dans laquelle le bras supérieur et l'amortisseur sont reliés à un premier support 24 relié à l'extérieur de l'élément latéral dans le sens de la largeur du véhicule, et le premier support est séparé de l'élément transversal de suspension.
PCT/JP2018/044678 2017-12-08 2018-12-05 Dispositif de suspension WO2019111929A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-236356 2017-12-08
JP2017236356A JP7056114B2 (ja) 2017-12-08 2017-12-08 サスペンション装置

Publications (1)

Publication Number Publication Date
WO2019111929A1 true WO2019111929A1 (fr) 2019-06-13

Family

ID=66750539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/044678 WO2019111929A1 (fr) 2017-12-08 2018-12-05 Dispositif de suspension

Country Status (2)

Country Link
JP (1) JP7056114B2 (fr)
WO (1) WO2019111929A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112607A (ja) * 1993-10-18 1995-05-02 Mitsubishi Motors Corp 車両のサスペンション装置
JP2003341331A (ja) * 2002-05-30 2003-12-03 Mitsubishi Fuso Truck & Bus Corp サスペンション
US20040090032A1 (en) * 2002-11-08 2004-05-13 Visteon Global Technologies, Inc. Independently-suspended rear corner module for motor vehicle chassis featuring shackled leaf spring
JP2013209076A (ja) * 2012-02-29 2013-10-10 Daimler Ag 独立懸架式サスペンション装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272202U (fr) * 1985-10-26 1987-05-08
JPH11105522A (ja) * 1997-09-30 1999-04-20 Mitsubishi Motors Corp 車両用フロントサスペンション装置
CN102933408B (zh) * 2010-02-18 2015-07-01 福特全球技术公司 限位挡块

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112607A (ja) * 1993-10-18 1995-05-02 Mitsubishi Motors Corp 車両のサスペンション装置
JP2003341331A (ja) * 2002-05-30 2003-12-03 Mitsubishi Fuso Truck & Bus Corp サスペンション
US20040090032A1 (en) * 2002-11-08 2004-05-13 Visteon Global Technologies, Inc. Independently-suspended rear corner module for motor vehicle chassis featuring shackled leaf spring
JP2013209076A (ja) * 2012-02-29 2013-10-10 Daimler Ag 独立懸架式サスペンション装置

Also Published As

Publication number Publication date
JP7056114B2 (ja) 2022-04-19
JP2019104268A (ja) 2019-06-27

Similar Documents

Publication Publication Date Title
WO2019111918A1 (fr) Dispositif de suspension
WO2019111924A1 (fr) Dispositif de suspension et bras inférieur
US20120112427A1 (en) Suspension system for a vehicle
WO2019111987A1 (fr) Structure de bras supérieur d'un dispositif de suspension
JP2008504166A5 (ja) 自動車用の支持システム及びサスペンションシステム
WO2018096513A1 (fr) Système de suspension et de direction pour un véhicule
KR101027409B1 (ko) 차량용 현가 시스템
WO2019111929A1 (fr) Dispositif de suspension
WO2019111991A1 (fr) Dispositif de suspension
JP5621484B2 (ja) サスペンション装置のトレーリングアーム取付構造
WO2019111954A1 (fr) Structure d'attachement de boîte d'engrenages de direction
KR20130038689A (ko) 비틀림 강성이 향상된 ｃｔｂａ
JP2753798B2 (ja) マルチリンク式懸架装置
JP4654859B2 (ja) サスペンション装置
KR20070009122A (ko) 자동차 후륜 현가장치
JP2006175913A (ja) 車両用懸架装置
JP5237872B2 (ja) 車両用サスペンション

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18886933

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18886933

Country of ref document: EP

Kind code of ref document: A1