• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a tricycle vehicle comprising a rear crew (2), provided with a power unit (38) of said vehicle and a pair of wheels (40) driven by said group (38), said vehicle further comprising a frame (4) configured to allow the installation of a conductor of said vehicle, said frame (4) being articulated in rotation about an articulation axis (42) with respect to said rear crew (2) so as to allow a tilting of the frame (4) relative to said rear crew (2) in the direction of the roadway on either side of a vertical position, said vehicle being configured so that said axis (42) is inclined at an angle strictly positive with respect to the pavement.
    公开号:FR3020335A1
    申请号:FR1453787
    申请日:2014-04-25
    公开日:2015-10-30
    发明作者:Stephane Bostvironnois；Yan Machebeuf
    申请人:Automobiles Ligier SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a motor tricycle vehicle, in particular for supporting high weight loads. It is particularly intended to allow a postman to carry all or part of the mail and / or packages to be distributed during a tour. However, it will find its applications in many other fields, whether delivery services or as a simple means of transport, with or without additional charge.
    [0002] In the field of cycles, it is already known two-wheel cycles of the type called "scooter" which are appreciated for the driving comfort it provides due to the positioning of the driver. However, when it comes to carrying heavy loads, they may be inappropriate, especially for lack of stability, whether in the race or at a standstill. To improve the stability of a cycle, it is known to use a three-wheel cycle or tricycle. However, these pose maneuverability problems, including turning radius.
    [0003] Tricycles equipped with a pair of wheels at the front have been proposed and are now commonly used thanks to their good maneuverability. Their stability is nevertheless lower than that of a classic tricycle with a pair of wheels at the rear.
    [0004] The invention proposes to overcome the aforementioned drawbacks and concerns in this sense a tricycle vehicle comprising a rear crew, provided with a propulsion unit of said vehicle and a pair of wheels driven by said group, said vehicle further comprising a frame configured to allow the installation of a driver of said vehicle, particularly in a configuration of the scooter type.
    [0005] Said frame is articulated in rotation about an axis of articulation relative to said rear crew so as to allow tilting of the frame relative to said rear crew in the direction of the roadway on either side of a vertical position, said vehicle being configured so that said axis is inclined at a strictly positive angle with respect to the roadway. It has the kind of a vehicle with good stability thanks to its tricycle character and good maneuverability by tilting the frame relative to the rear crew. The inclination of the tilting axis adds to the maneuverability. It has furthermore been found that the stability of the vehicle is maintained even in difficult conditions, particularly in the case of a succession of sharp turns. Said angle is preferably less than 14 °, especially between 5 and 100, or even about 70. Advantageously, the vehicle has a position with a maximum tilting angle relative to the vertical, said maximum tilting angle being, for example, plus or minus 450, or more or less 350, or more or less 30 °. According to one aspect of the invention, said rear crew comprises a chassis of said powertrain, and a support frame, said support frame being suspended relative to said frame. By "suspended" is meant that the movements of said support frame relative to the movements of the frame are attenuated so that the shocks to the frame are only partially transmitted to said support frame. According to such an embodiment, said powertrain is located on the chassis. In other words, said propulsion motor unit is unsuspended.
    [0006] According to features of this aspect of the invention, which may be taken together or separately: - said support frame comprises a support platform of a load, - said support platform is located in line with said powertrain, - said vehicle comprises at least one suspension system of said support frame, linked on the one hand to said support platform, and on the other hand, to said frame, said vehicle comprises an articulation of said frame on said support frame, said articulation is located between said powertrain, in particular an axle of said rear crew, and said axis of articulation of the vehicle allowing said tilting.
    [0007] According to another aspect of the invention, which may or may not be combined with the preceding, said vehicle comprises a hinge allowing said tilting, said hinge allowing said tilting comprising a shaft connected to the rear crew and a bearing, linked to the frame, said bearing being articulated in rotation around said shaft. According to features of this aspect of the invention, which may be taken together or separately: - said shaft is connected to said support frame, - said vehicle comprises a damper of torque between said shaft and said bearing, - a distal end of said shaft has an outer section of substantially polygonal configuration, including square, - a distal end of said bearing has an inner section of substantially polygonal configuration, of the same number of sides as the outer section of said shaft and angularly offset relative to said shaft, - said torque damper comprises spring elements disposed between sides of said bearing and said shaft so as to be compressed in case of tilting of the frame relative to the rear crew. It should be noted that a tilting tricycle vehicle as described above and having such a torque damper configuration of the tilting joint may, according to the invention, find advantageous applications without necessarily being associated with a hinge pin inclined to tilt relative to the roadway. Such a configuration indeed offers in itself a kinematic behavior favoring a good return to the vertical position. It also offers interesting possibilities in terms of dismountability. According to another aspect of the invention which may or may not be combined with the above, said vehicle comprises a parking brake system, said system being configured to simultaneously block a forward and / or reverse movement of said vehicle and said tilting. It is also to be noted that a tipping tricycle vehicle as described above and having such a dual-function parking brake configuration may, according to the invention, find advantageous applications without necessarily being associated with an axis. hinge tilted relative to the roadway. According to another aspect of the invention which may or may not be combined with the preceding, said frame comprises at least one stop, said vehicle being configured so that said frame comes into contact with said rear crew by said stop when said frame tilts, Particularly in its maximum tilt angle position.
    [0008] It is also to be noted that a tilting tricycle vehicle as described above and provided with one or more said stops may, according to the invention, find advantageous applications without necessarily being associated with a hinge pin in inclined tilting with respect to the roadway. Indeed, such stops already promote in themselves the stability of the vehicle. More specifically, once the frame abuts on the rear crew, in a given tilt direction, said frame and said rear crew form a rigid assembly which limits the tilting of the frame relative to the vertical along said direction and especially tends to prevent the rear crew from tipping in the other direction under the effect of centrifugal force. According to features of this aspect of the invention, which may be taken together or separately: said stop is configured to come into contact with said support frame, said vehicle comprises two said stops limiting said tilting respectively on the left and on the right. According to another aspect of the invention which may or may not be combined with the above, the power train comprises a motor, said motor being located at the front or rear of a rear axle of the vehicle. According to features of this aspect of the invention, which may be taken together or separately: - said powertrain further comprises a speed reducer for converting a torque delivered by the engine into a torque deliverable to the wheels, - said motor and said speed reducer are offset relative to each other in the direction of said rear axle.
    [0009] It should also be noted that a tilting tricycle vehicle as described above and having such a relative positioning of the engine and the speed reducer may, according to the invention, find advantageous applications without necessarily being associated with an axis. hinge tilted relative to the roadway. Indeed, it then has in itself a limited transverse size. According to another aspect of the invention, which may or may not be combined with the preceding, said powertrain, in particular said motor, is electrical in nature. By "electrical" is meant that the torque delivered by said group for driving the vehicle comes exclusively or at least essentially from the conversion of an electric current into a rotating electromagnetic field. This is like a tricycle to avoid the consumption of hydrocarbons. Said powertrain group may also be configured to operate in regenerative braking. In other words, when braking, it will be able to convert the torque delivered by the wheels into electric current. Said vehicle may comprise a power supply battery 20 of said powertrain, in particular an accumulator battery. Said battery is advantageously carried by said rear crew and even more advantageously by said support frame. Indeed, given its weight, the positioning of the battery plays heavily on the stability of the vehicle. After numerous simulations and a large number of tests, the applicant has brought to light that the positioning of the battery at the level of the rear crew, or even more precisely of the suspended part of said rear crew, is particularly advantageous in terms of stability. this without affecting the handling of the vehicle.
    [0010] According to various embodiments of this aspect of the invention that may be taken together or separately: - said battery is located at least partly cantilevered with respect to said powertrain, - said battery is located at least in part between the two wheels of the rear crew, - said battery is suspended from said support platform. Other advantages and features of the invention will become apparent with reference to the description of exemplary embodiments of the invention and with reference to the appended drawings, in which: FIG. 1 is a side view of an example embodiment of the tricycle according to the invention; FIG. 2 is a view from the rear of an exemplary embodiment of the tricycle according to the invention schematically illustrating the tilting of the frame relative to the rear crew of said tricycle, FIG. in perspective illustrating an exemplary embodiment of a tilting articulation of a tricycle according to the invention, - Figure 4 illustrates in perspective, in a cross-sectional plane, an end of the tilting joint of the figure FIG. 5 is a detail view, in cross section, of a tricycle according to the invention schematically illustrating a limitation of its tilting; FIG. 6 is a bottom view diagrammatically illustrating a chassis of a tricycle according to the invention.
    [0011] As illustrated in Figure 1, the invention relates to a tricycle vehicle comprising a rear crew 2 and a frame 4 configured to allow the installation of a driver, not shown, said vehicle. Said frame 4 comprises, for example, an armature 6 on which is reported a saddle 8 and a front crew 10. Said front crew 10 comprises here, a directional fork 12, a handlebar 14 and a front wheel 16. The directional fork 12 is articulated in rotation on the frame 4 to allow to orient the front wheel 16 on the left or on the right. The handlebar 14 is connected to the fork 12 to allow its orientation by the driver. The front wheel 16 is free to rotate with respect to an axis 18 connected to the fork 12. Said front wheel 16 is provided with a braking system 20, here disc, operable from the handlebar 14. Said front crew 10 includes in in addition to a suspension system 22 for damping the transmission handlebar 14 and the frame 6 of the shocks collected by the front wheel 16. It is, for example, pneumatic cylinders mounted between arms 24 of the fork 12 and the axis 18 of the front wheel 16. Said frame 4 may also include a storage bin 26. It is here located under the saddle 8 which is provided to pivot to give access 20 from above to the tray 26. It is configured to serve as storage for objects that the driver must or wants to have to carry such as helmet, first aid kit, manuals or others. Said container 26 is advantageously fixed to the frame 6. Said frame 4 may also comprise different parts of dressing, such as a covering 28 partially concealing the directional fork 12 and / or a footrest 30. Said parts The armature 6 preferably has a configuration allowing the vehicle to offer a scooter aspect, that is to say, allowing the driver to rest his feet in a free space located at the front of the vehicle. 'before his bust rather than on pedals located on both sides of the frame. Said armature 6 thus has two branches 32 of base parallel to each other in a substantially horizontal plane. Said 5 branches of bases 32 support said footrest 30. Said armature 6 further comprises a rear arch 34, connecting one end of said base branches 32 and / or supporting, in particular, the saddle 8. It further comprises a front bow 36, connecting the other end of said branches 32 of base. Said front crew 10 is hinged, for example, on said front bow 36. According to the invention, said rear crew 2 is provided with a power train 38 of said vehicle and a pair of rear wheels 40, located at a rear axle 39 and driven by said group. By providing a pair of wheels located at the rear, there is a tricycle 15 having a favorable stability. Furthermore, as is more particularly illustrated in Figure 2, said frame 4 is articulated in rotation relative to said rear crew 2 so as to allow a tilting of the frame relative to said rear crew 2 in the direction of the road share and other 20 of a vertical position, according to the arrow marked 41. In other words, said frame can tilt about an axis of articulation 42, visible Figure 1, located in a plane containing the vertical and passing through a midpoint of rear wheels. In other words, while the rear crew 2 remains horizontal, that is to say that the two rear wheels remain in contact with the roadway, the frame 4 can tilt, under the effect of a pulse given by the driver, to the right or to the left. Such pivoting gives good maneuverability to the vehicle, in particular by allowing the driver to turn without having to turn the handlebar 14 or at least by turning little.
    [0012] In Figure 2, we see on the left a tilting to the left of the frame 2 to turn to the left and on the right a swing to the right to turn to the right. Although in the presence of a tricycle, the driver can in this way regain feelings of driving a two wheels. Said tilt angle is limited, for example, to 300. Still according to the invention, said vehicle is configured so that said axis 42 is inclined at a strictly positive angle a relative to the roadway. In other words, said hinge axis 42 is not horizontal and rises from the rear to the front of the vehicle. Said angle is advantageously less than 14 °, especially between 5 and 10 °. It may be fixed, for example, to about 70. Such features enhance the good performance of the vehicle, both in terms of stability and maneuverability.
    [0013] Said rear crew 2 here comprises a frame 44 of said power train 38, and a support frame 46. In other words, said power train 38 is carried by said frame 44 which gives the vehicle a particularly low center of gravity. In addition, said support armature 46 is advantageously suspended relative to said frame 44. The shock transmission is thus damped. Said support frame 46 here comprises a platform 50 for supporting a load. Said platform is configured to accommodate, for example, a chest or cabinet storage, not shown. In the case of application in the field of mail delivery, said safe is intended to contain the mail. Said support platform 50 is located, for example, at the right of said power train 38, above a wheel arch of said rear wheels 40. The vehicle here comprises a suspension system 54 connected to each rear wheel 40. Said suspension systems are, for example, of the pneumatic cylinder and / or spring type. Said suspension systems 54 are connected on the one hand to said support platform 50 and on the other hand to said frame 44, in particular in the vicinity of a drive axis of the rear wheels 40.
    [0014] Said vehicle advantageously comprises a hinge 56 of the frame 44 on said support armature 46, here according to the marked arrow 58, in particular around a marked axis 60. Said articulation is located, in particular, between said powertrain group 38, in particular the rear axle 39 of said rear crew 2, and a hinge 62 of said vehicle allowing said tilting. As illustrated in FIG. 3, said hinge 62 allowing tilting comprises, for example, a first part or shaft 100, linked to the rear crew 2, in particular to said support frame 46, and a second piece or bearing 102, linked to the frame 4, said bearing 102 being articulated in rotation about said shaft 100. Said shaft 100 and / or said bearing 102 are thus oriented along said hinge axis 42. Said shaft 100 is here connected by its rear end 107 to said support frame 46 at the hinge 56 of the frame 44 on said support frame 46, in particular via one or more keys, not shown. Said bearing 102 is here connected to said frame 4 by means of flanges 106. Said vehicle advantageously comprises a torque damper 104, between said shaft 100 and said bearing 102, here located at a distal end 108 of said hinge 62 tilting.
    [0015] As illustrated in Figure 4, said shaft 100 here at a distal end 108 'an outer section of substantially polygonal configuration. On its side, a distal end 108 "of said bearing 102 has an inner section of substantially polygonal configuration, of the same number of sides as said shaft and angularly offset with respect to said shaft. Here, said outer and inner sections are substantially square and They thus define four housings 110 between their different sides, said torque damper 104 comprising spring elements 111, in particular prestressed compressible elements, disposed in said housings 110. More specifically, each of said housings 110 spring elements 111 has a substantially triangular section, two of their sides being disposed opposite two sides of said bearing 102 and the third of their sides being disposed opposite one side of said shaft 100. From FIG. In this way, said spring elements 111 are compressed in case of tilting of the frame 4 relative to the equipment. 2. More specifically, it is understood that the greater the tilt angle, the greater the compression of the spring elements 111 and therefore their resistance to tilting will be high. That said, said axis 60 of the hinge 56 between the frame 44 and the support armature 46 is preferably substantially orthogonal to the hinge axis 42 allowing the tilting of the frame 4. Said axis 60 of the articulation 56 between the frame 44 and the support armature 46 is positioned here at a rear end of said hinge pin 42 for tilting the frame 4. In other words, said axis 60 of the hinge 56 between the frame 44 and the support armature 46 passes through said hinge pin 42 allowing tilting of the frame 4. Said rear crew 2 may also comprise rear wheel braking systems, including disk. Said vehicle may moreover advantageously comprise a parking brake system, said system being configured to simultaneously block a front and / or rear movement of said vehicle and said tilting. Referring back to FIG. 3, it can be seen that said bearing 102 here comprises a portion 112 of disc extending angularly around the shaft 100. Said parking brake system further comprises a piece, not shown, such as a jaw, connected to the rear crew configured to come into contact with said disk portion 112 so as to block the tilting of the frame relative to the rear crew in case of actuation of said brake parking.
    [0016] The latter still includes here locking means of the rear wheels 40, including platelets. Said parking brake system is, for example, manually operable from pneumatic control means. Said pneumatic control means may comprise for this purpose a lever 104, visible in FIG. 1, in particular located on the frame 4. Said pneumatic control means advantageously comprise a reserve of fluid making it possible to compensate for wear of the wafers. The stroke of said lever 104 to reach the parking brake position may also be made variable in order to put the fluid pressure according to the wear of the pads. Said parking brake system is preferably configured to block the rear wheels 40 in series and then the disk portion 112, in particular by means of a configuration of an articulation axis of said lever.
    [0017] As illustrated in FIG. 5, said frame 4 advantageously comprises at least one stop 120, here two, said vehicle being configured so that said frame 4 comes into contact with said rear crew 2 by said stops 120 during the tilting of said frame. Said stops thus define a maximum tilt angle of said frame 4 relative to said rear crew 2, respectively on the left and on the right. Thanks to such contact, it is furthermore prevented that the rear crew, under the effect of centrifugal force, switches in a direction opposite to that of the frame 4. The contact of the stops 120 on the rear crew is carried out here for a fixed angle value, as mentioned above, at plus or minus 30 °.
    [0018] Said stops 120 are configured to come into contact, for example, with said support armature 46, for example in the lower part thereof. They are located here at a cross member 122 of the rear arch of said frame 4.
    [0019] As illustrated in Figure 6, said powertrain comprises a motor 130 for driving the vehicle. It is here located at the front of the rear axle 39 of the vehicle. Said propulsion unit also comprises a speed reducer 132 making it possible to convert a torque delivered by the engine into a torque that can be delivered to the wheels 40. Advantageously, said motor 130 and said speed reducer 132 are offset relative to each other according to the direction of said rear axle 39. Said power train group 38 may in particular comprise two rear half-trains 134, 134 'asymmetrical with respect to said speed reducer 132. In other words, the length of the axis connecting each of the rear wheels 40 to said reducer 132 is different for the left wheel and the right wheel, said motor 130 being located in line with the longest axis. According to one aspect of the invention, said propulsion unit 38 is advantageously although not necessarily of an electrical nature. In other words, its engine is electric. It may be any type of electric motor, especially any type of electric motor for variable speed control. This is, for example, a synchronous machine. Said machine has a power including, in particular, between 1 and 5 kW. Although an electric motor type has integration constraints in the type of tricycle according to the invention, it gives the vehicle the advantage of being able to operate without consumption of hydrocarbons. In such a configuration, said power train 38 further includes, for example, an inverter for powering the motor from a DC power source and varying its speed. Said vehicle also comprises a power supply battery 48 of said powertrain 38. This is, for example, a battery 5 having a voltage level greater than 20V, in particular 38V. Said battery is, for example, of the LiFePO4 type. Preferably, said battery 48 is carried by said support armature 46. It has been found that positioning the battery on the rear crew 2 and in particular on a suspended part thereof can significantly improve the stability of the vehicle. Indeed, to ensure the power supply of the powertrain, the battery has a significant weight, especially greater than 20kg, or even 30kg or 40kg. Its positioning plays an important role in the stability of the vehicle. The choice of positioning indicated above increases the inertia of said rear crew and prevents the latter from tipping, especially in bends, including high speed. Said battery 48 is located, for example, at least partially, or entirely cantilevered with respect to said power train 38, or even cantilevered relative to said frame 44. Said battery 48 may also be located partly between the two rear wheels 40. It has been found that such positioning further improves the distribution of the masses of the vehicle for a good balance. Said battery 48 is preferably suspended from said support platform 50. In other words, said battery 48 is under said support platform 50, here close to its rear end. Said support frame 46 is, for example, of the welded type. It may also be covered with trim elements 52 intended to conceal at least part of said battery 48, said frame 44 and / or said propulsion unit 38.
    [0020] The positioning, in a horizontal plane, of the battery 48 with respect to the frame 44 is particularly visible in FIG. 6. In this figure, a housing 140 is distinguished from the latter, said housing 140 being attached to the support frame 46.
    [0021] Said vehicle may further comprise a charger, in particular for recharging the power supply battery 50 of the powertrain when the vehicle is stationary. Said charger is intended to be connected, in particular, to a domestic electrical network and / or a three-phase electrical network.
    [0022] Other variants of the invention are still possible. For example, the battery can be positioned, particularly at the frame, cantilever front or rear. It can thus be located both at the front and rear of an axle of said rear crew. This maintains a very low center of gravity for the rear crew.
    [0023] Moreover, said powertrain group may also be configured to operate in regenerative braking. In other words, when braking, it can be used to transform the torque delivered by the wheels into electric current.
    权利要求:
    Claims (9)
    [0001]
    CLAIMS1 - Tricycle vehicle comprising a rear crew (2) provided with a power train (38) of said vehicle and a pair of wheels (40) driven by said group (38), said vehicle further comprising a frame ( 4) configured to allow the installation of a conductor of said vehicle, said frame (4) being articulated in rotation about an articulation axis (42) relative to said rear crew (2) so as to allow a tilting of the frame (4) relative to said rear crew (2) towards the roadway on either side of a vertical position, said vehicle being configured so that said axis (42) is inclined at a strictly positive angle with respect to on the road.
    [0002]
    2 - Vehicle according to claim 1 wherein said angle is less than 14 °, especially between 5 and 10 °.
    [0003]
    A vehicle according to any one of the preceding claims wherein said rear crew (2) comprises a frame (44) of said power train (38), and a support frame (46), said support frame (46) being suspended relative to said frame (44).
    [0004]
    4 - Vehicle according to the preceding claim comprising a hinge (56) of said frame (44) on said support frame (46). 25
    [0005]
    5 - Vehicle according to the preceding claim wherein said hinge (56) is located between said powertrain (38) and said hinge axis (62) of the vehicle allowing said tilting.
    [0006]
    6 - A vehicle according to any one of the preceding claims 30 comprising a hinge (62) allowing said tilting, said articulation (62) allowing said tilting comprising a shaft (100) connected to the rear crew (2) and a bearing (102) , linked to the frame (4), said bearing (102) being articulated in rotation around said shaft (100).
    [0007]
    7 - Vehicle according to the preceding claim comprising a torque damper (104) between said shaft (100) and said bearing (102).
    [0008]
    A vehicle as claimed in any one of the preceding claims comprising a parking brake system, said system being configured to simultaneously block forward and / or reverse movement of said vehicle and said tilting.
    [0009]
    9 - A vehicle according to any one of the preceding claims wherein said frame (4) comprises at least one stop (120), said vehicle being configured so that said frame (4) comes into contact with said rear crew (2) by said stop (120) when tilting said frame (4). - Vehicle according to claim 9 comprising two said stops (120) limiting said tilt respectively on the left and the right. 11. Vehicle according to any one of the preceding claims wherein the powertrain (38) comprises a motor (130). The vehicle of claim 11 wherein said engine (130) is located at the front or rear of a rear axle (39) of the vehicle. A vehicle as claimed in any one of claims 11 or 12 wherein said power train (38) further comprises a speed reducer (132) for converting a torque delivered by the engine into a torque deliverable to the wheels. The vehicle of claim 13 wherein said motor (130) and said speed reducer (132) are offset from each other in the direction of said rear axle (39). 15. Vehicle according to any one of claims 11 to 14 wherein said motor (130) is of an electrical nature.
    类似技术:
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    EP0975509A1|2000-02-02|Bicycle rear suspension
    FR3020334A1|2015-10-30|TRICYCLE VEHICLE WITH ELECTRIC MOTORIZATION
    FR2717139A1|1995-09-15|Vehicle for transporting golf equipment.
    EP2900546A1|2015-08-05|Tiltable vehicle
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    FR2534543A1|1984-04-20|Tricycle vehicle for all terrains and all paths.
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    FR2752213A1|1998-02-13|IMPROVEMENT FOR VEHICLE CHASSIS
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    同族专利:
    公开号 | 公开日
    FR3020335B1|2017-09-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US6104154A|1997-02-26|2000-08-15|Daiwa Sangyo Co., Ltd.|Tricycle with electric motor|
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    FR2972684A1|2011-03-14|2012-09-21|Honda Motor Co Ltd|Saddle type vehicle i.e. motor tricycle, has radiator arranged in inclined manner such that external end of radiator in width direction of vehicle is positioned behind internal end of radiator in width direction of vehicle|
    EP2505422A2|2011-03-31|2012-10-03|Honda Motor Co., Ltd.|Electric three-wheeled vehicle|EP3205564A3|2016-01-21|2017-12-06|Herbert Weber|Load-carrying bicycle|
    WO2019025898A1|2017-08-03|2019-02-07|Compagnie Générale Des Établissements Michelin|Electric tricycle with roll motion|
    WO2019207713A1|2018-04-26|2019-10-31|本田技研工業株式会社|Electric vehicle|
    DE102020007995A1|2020-07-15|2022-01-20|Bayerische Motoren Werke Aktiengesellschaft|Three-wheeled vehicle with a multi-part frame|
    DE102020118623A1|2020-07-15|2022-01-20|Bayerische Motoren Werke Aktiengesellschaft|Three-wheeled vehicle with a multi-part frame|
    法律状态:
    2015-06-30| PLFP| Fee payment|Year of fee payment: 2 |
    2015-10-30| PLSC| Publication of the preliminary search report|Effective date: 20151030 |
    2016-04-28| PLFP| Fee payment|Year of fee payment: 3 |
    2017-04-28| PLFP| Fee payment|Year of fee payment: 4 |
    2018-05-02| PLFP| Fee payment|Year of fee payment: 5 |
    2019-04-29| PLFP| Fee payment|Year of fee payment: 6 |
    2020-04-30| PLFP| Fee payment|Year of fee payment: 7 |
    2021-04-30| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1453787A|FR3020335B1|2014-04-25|2014-04-25|TRICYCLE VEHICLE WITH ELECTRIC MOTORIZATION|FR1453787A| FR3020335B1|2014-04-25|2014-04-25|TRICYCLE VEHICLE WITH ELECTRIC MOTORIZATION|
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