WO2023017407A1 - Aéronef multicoptère convertible en véhicule automobile - Google Patents

Aéronef multicoptère convertible en véhicule automobile Download PDF

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Publication number
WO2023017407A1
WO2023017407A1 PCT/IB2022/057403 IB2022057403W WO2023017407A1 WO 2023017407 A1 WO2023017407 A1 WO 2023017407A1 IB 2022057403 W IB2022057403 W IB 2022057403W WO 2023017407 A1 WO2023017407 A1 WO 2023017407A1
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WO
WIPO (PCT)
Prior art keywords
motor
vehicle
rotors
axis
rotor
Prior art date
Application number
PCT/IB2022/057403
Other languages
English (en)
Inventor
Mauro Zona
Original Assignee
Zona Engineering & Design Sas Di Zona Mauro & C.
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 Zona Engineering & Design Sas Di Zona Mauro & C. filed Critical Zona Engineering & Design Sas Di Zona Mauro & C.
Publication of WO2023017407A1 publication Critical patent/WO2023017407A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
    • B60F5/00—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media
    • B60F5/02—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media convertible into aircraft

Definitions

  • the subject of the invention is a multicopter aircraft convertible into a motor vehicle, comprising a motor-vehicle structure provided with a plurality of rotors for lift in flight, said multicopter aircraft being characterized in that at least some of the aforesaid rotors are carried in an articulated way by respective supporting robotic arms, configured in such a way that the rotors can be displaced between a deployed position, suitable for flight, and a folded position, suitable for use as a motor vehicle, in which said rotors are arranged one behind the other at the rear of the motor-vehicle structure, with the axes of the rotors coincident with one another and all coincident with a longitudinal central axis of the motor vehicle, set in the longitudinal median plane of the motor vehicle.
  • each robotic arm has a base support articulated to the motor-vehicle structure about a first axis, an arm element having a longitudinal axis of its own orthogonal to said first axis and carried by the base support in a rotatable way about a second axis coinciding with said longitudinal axis, and a rotor ring mounted in an articulated way to a distal end of said arm element about a third axis orthogonal to said longitudinal axis.
  • Associated to the aforesaid first axis, second axis, and third axis of each robotic arm are respective servocontrolled electric motors.
  • This single axis of articulation of the central rear rotor is oriented in a direction transverse to the longitudinal direction of the motor vehicle in such a way that the central rear rotor is displaceable between a horizontal, deployed, condition and a position rotated downwards substantially through 90°, where it sets itself behind the rear part of the motor-vehicle structure, with the rotor axis thereof oriented in a direction parallel to the longitudinal direction of the motor vehicle.
  • FIG. 1 is a perspective view of a tricopter aircraft, convertible into a motor vehicle, according to the present invention
  • FIG. 4 is a further perspective view from beneath of the aircraft of Figure 1 , in the configuration of flight;
  • FIGS. 5 and 6 are two further perspective views from beneath of the aircraft in the configuration of flight, which show two successive steps of the operation of deployment of the wheels of the motor vehicle that is carried out in flight prior to landing;
  • FIGS. 7-13 are perspective views from above of the aircraft, which show different steps of the operation of folding of the rotors of the aircraft, which is carried out after landing to convert the aircraft into the motor-vehicle configuration suited to road travel;
  • FIG. 14 is a perspective view of the motor vehicle in the configuration obtained after the operation of conversion;
  • - Figures 18, 19 are a top plan view and a side elevation of the motor-vehicle structure with the rotors in their folded condition;
  • - Figure 20 is a perspective view of the set of the three rotors in the folded condition;
  • FIG. 21 is a perspective view of one of the rotors with the respective robotic arm
  • FIG. 22 shows the aircraft in the configuration of flight in a condition in which the parachute module with which the aircraft is provided has been actuated
  • FIG. 23 are perspective views of a variant in which two panels are provided for closing the compartment that receives the rotors in the motor-vehicle configuration.
  • each rotor 3 preferably envisages two parallel propellers 7 set at a distance apart, driven by two respective electric motors M constituting the central body carried by the spokes 5.
  • Each propeller 7 has a plurality of blades 7A and is configured according to any known technique. The provision of two propellers for each rotor 3 ensures a fail-safe safety factor.
  • the aircraft envisages two further rotors 3, which, in the deployed condition, are arranged at the two sides of the front part of the structure 2.
  • Figures 4-6 show successive steps of the operation of deployment of the wheels R in the step of flight that precedes a landing.
  • the cross-sectional view illustrated in Figure 2 also provides a schematic picture of an assembly 4A including an electric motor and the corresponding transmission for driving rotation of the central rear rotor 3 between its raised position, suitable for flight, and its folded position, in which the central rear rotor 3 is set at the back of the rear part of the structure of vehicle 2 in the converted configuration for road travel.
  • the cross-sectional views of Figures 2 and 3 also show the battery pack 9 with which the vehicle is provided, constituted, in a way in itself known, by a plurality of battery modules connected together.
  • the passenger compartment 10 of the vehicle 2 is configured, in the example illustrated, with a single central front seat 11 and two lateral rear seats 12.
  • the motor vehicle can house a generic payload, for example, for survey operations, for transport of packages, and for operations of lifting with a hook and winch (such as a crane) in rough areas.
  • a generic payload for example, for survey operations, for transport of packages, and for operations of lifting with a hook and winch (such as a crane) in rough areas.
  • the cross-sectional view of Figure 2 also shows a portion 13 of the platform of the vehicle, and the dashboard 14 carrying the instrumentation for governing the system.
  • the motor vehicle may be pre-arranged to have a driving seat for a driver (as in the annexed drawings), or else as a vehicle with autonomous driving or remote-controlled driving.
  • the wheels R of the motor vehicle are preferably associated to respective robotic arms AM, which are articulated to the structure 2 of the vehicle about respective axes oriented in a direction transverse to the longitudinal direction of the vehicle and can be displaced between a raised position, in which the wheels R are retracted within seats provided in the platform of the vehicle ( Figure 4) and a lowered position ( Figure 6), in which the wheels R are in the position suited for road travel.
  • each of the robotic arms AM houses inside it an electric motor for driving the respective wheel R set with its longitudinal axis parallel to the longitudinal direction of the arm AM.
  • the shaft of the electric motor housed in the arm AM is connected to the hub of the respective wheel R by means of a mechanical transmission including a pair of bevel gears.
  • the vehicle according to the invention may be provided with any other type of propulsion, including a conventional propulsion with an internal-combustion engine connected by means of a drive system with at least two of the wheels R of the vehicle.
  • an electric motor/generator may be associated to the engine, having the task of recovering energy (for example, during braking), which is then used for charging the battery pack 9.
  • each of these robotic arms may incorporate a suspension system.
  • the vehicle will in any case present a load-bearing structure to which the wheels are connected by means of a suspension system of any known type.
  • Figures 7-13 are perspective views that illustrate the different operating steps necessary for displacing the lift rotors of the vehicle from the configuration suited for flight to the configuration for road travel.
  • the first rotor to be folded is the central rear rotor, which is rotated downwards about its axis of articulation 4 ( Figure 2) so as to be received in a seat provided on the rear face of the structure 2 of the vehicle, with the axis of the rotor coinciding with a longitudinal central axis of the vehicle ( Figure 8), set in the longitudinal median plane of the motor vehicle.
  • One of the two front rotors 3 is then brought up adjacent to the rear part of the vehicle, first of all by means of a rotation of the respective robotic arm 8 about its first axis I, then by means of a rotation of the robotic arm about its second axis II ( Figure 9), and finally with a rotation about the third axis III, so as to bring also the second rotor 3 behind the rotor that has already been brought into its folded position, also in this case with the axis of the rotor coinciding with the aforesaid longitudinal central axis of the vehicle and substantially coinciding with the axis of the rotor 3 previously folded.
  • the configuration and arrangement of the parts is such that, in the configuration for road travel ( Figure 14) the size of the vehicle is similar to that of a conventional motor vehicle of the SUV category.
  • the motor-vehicle structure, the rotors, and the robotic arms may be configured in such a way that in the motor-vehicle configuration the longitudinal dimension of the motor vehicle is not greater than 7 m, the transverse dimension is not greater than 2.30 m, and the height is not greater than 2.20 m. In this way, the motor vehicle can circulate freely on the road, without being considered an exceptional transport and moreover it can also be accommodated within a closed standard container.
  • the invention makes it possible to obtain a multicopter aircraft convertible into a motor vehicle that, on the one hand, guarantees stability and safety in the configuration of flight and, on the other, guarantees safety and convenience of use in the configuration for road travel.
  • the aircraft is also provided with a parachute module MP ( Figure 1 ), which, when activated, sets in operation two or more parachutes P ( Figure 22) for safe landing of the aircraft in the event of any type of failure or breakdown that no longer allows continuation of the flight in conditions of safety.
  • MP parachute module
  • the two panels 15 are rotatably mounted about respective vertical axes on the ends of two longitudinal members 16, which project at the rear on the two sides of the vehicle.
  • the panels 15 are controlled by two electric motors (not illustrated).
  • a particularly advantageous application of the invention is that of ambulance vehicle, which is consequently able to transport an injured person both on land and in the air, thus eliminating the complications of transfer between a rescue helicopter and an ambulance vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

Un aéronef multicoptère convertible en un véhicule automobile comprend une structure de véhicule automobile (2) pourvue d'une pluralité de rotors (3) destinés au levage en vol. Au moins certains des rotors (3) sont portés de manière articulée par des bras de support robotiques respectifs (8) conçus de telle sorte que les rotors (3) peuvent être déplacés entre une position déployée, convenable au vol et une position pliée, convenable à une utilisation en tant que véhicule automobile, dans laquelle lesdits rotors (3) sont disposés les uns derrière les autres à l'arrière de la structure de véhicule automobile (2), les axes des rotors (3) coïncidant sensiblement les uns avec les autres et étant parallèles à la direction longitudinale du véhicule automobile. Grâce à ces caractéristiques, dans la configuration de véhicule automobile, ce dernier présente des dimensions appropriées pour permettre une circulation libre du véhicule sur la route et lui permettre en outre d'être logé à l'intérieur d'un conteneur standard fermé.
PCT/IB2022/057403 2021-08-13 2022-08-09 Aéronef multicoptère convertible en véhicule automobile WO2023017407A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000021896A IT202100021896A1 (it) 2021-08-13 2021-08-13 Aeromobile multicottero convertibile in autoveicolo
IT102021000021896 2021-08-13

Publications (1)

Publication Number Publication Date
WO2023017407A1 true WO2023017407A1 (fr) 2023-02-16

Family

ID=78463815

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/057403 WO2023017407A1 (fr) 2021-08-13 2022-08-09 Aéronef multicoptère convertible en véhicule automobile

Country Status (2)

Country Link
IT (1) IT202100021896A1 (fr)
WO (1) WO2023017407A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230115625A1 (en) * 2021-10-12 2023-04-13 Jimmy Sherwood Myer Flying car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160272314A1 (en) * 2013-12-31 2016-09-22 Bogdan Radu Flying Car or Drone
WO2019025872A2 (fr) * 2018-11-26 2019-02-07 Wasfi Alshdaifat Moyen de transport urbain autonome avec télépathie artificielle
CN110422020A (zh) * 2019-09-05 2019-11-08 北京理工大学 一种飞行器及陆空两栖车

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160272314A1 (en) * 2013-12-31 2016-09-22 Bogdan Radu Flying Car or Drone
WO2019025872A2 (fr) * 2018-11-26 2019-02-07 Wasfi Alshdaifat Moyen de transport urbain autonome avec télépathie artificielle
CN110422020A (zh) * 2019-09-05 2019-11-08 北京理工大学 一种飞行器及陆空两栖车

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230115625A1 (en) * 2021-10-12 2023-04-13 Jimmy Sherwood Myer Flying car
US12017766B2 (en) * 2021-10-12 2024-06-25 Jimmy Sherwood Myer Flying car

Also Published As

Publication number Publication date
IT202100021896A1 (it) 2023-02-13

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