[go: up one dir, main page]

WO2022180503A1 - Unité de motorisation pour véhicules - Google Patents

Unité de motorisation pour véhicules Download PDF

Info

Publication number
WO2022180503A1
WO2022180503A1 PCT/IB2022/051516 IB2022051516W WO2022180503A1 WO 2022180503 A1 WO2022180503 A1 WO 2022180503A1 IB 2022051516 W IB2022051516 W IB 2022051516W WO 2022180503 A1 WO2022180503 A1 WO 2022180503A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
outlet
drive shaft
axis
motor
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.)
Ceased
Application number
PCT/IB2022/051516
Other languages
English (en)
Inventor
Nicola VENUTO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Newtron Group Sa
Original Assignee
Newtron Group Sa
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 Newtron Group Sa filed Critical Newtron Group Sa
Priority to EP22710726.5A priority Critical patent/EP4298718A1/fr
Publication of WO2022180503A1 publication Critical patent/WO2022180503A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the present invention relates to a motorization unit for vehicles.
  • applications of motorization units for vehicles composed of thermal and/or electric motors, intended to vary the speed of rotation of the tires of the quadricycle as well as to distribute the total power to each wheel.
  • the motorization unit in actual facts, must be able to set all of the vehicle’s axle shafts and wheels in rotation regardless of whether one is driving along a substantially rectilinear or curved path.
  • each tire must cover an arc of curvature having a length proportional to the radius of curvature, and each arc must be covered in the same amount of time, making it inevitable that some tires and their axle shafts must rotate at different speeds than others; in particular, the wheels on the outer side of cornering cover a wider arc of circumference than the wheels on the inner side of the cornering and, therefore, must rotate faster.
  • These devices are typically positioned between the motorization unit and the axle shafts and are composed, in their most traditional form, of a metal cage inside which a set of gears is housed which can be coupled in various ways to allow several driving conditions.
  • Such conditions generally, are the rectilinear motion, cornering motion and lack of grip.
  • the driving force of the motorization unit is equally distributed over the two axle shafts, which are set in rotation at the same angular velocity.
  • the motive power of the motorization unit is distributed over the two axle shafts in such a way that the speed of rotation of the wheels on the outer side of the cornering is greater than the speed of rotation of the wheels on the inner side of the cornering.
  • Conditions of lack of grip can occur when the vehicle is on slippery surfaces or if one wheel of the same is stuck in a pothole, and results in one or more tires slipping without actively contributing to vehicle’s traction.
  • the mechanical differentials belonging to the prior art respond to this drawback with the self-locking function, which allows to completely exclude one or more axle shafts in order to convey the power delivered by the motorized unit to the only wheels in contact with the ground and able to generate traction.
  • gears In order to properly perform all of the functions described, traditional mechanical differentials require that the gears be continuously lubricated by an oil bath in order to slow the wear thereof and to control the operating temperature.
  • the main aim of the present invention is to devise a motorization unit for vehicles which can distribute motive power to the wheels of vehicles in a convenient and easy manner.
  • Another object of the present invention is to devise a motorization unit for vehicles capable of operating without complex mechanical devices.
  • One object of the present invention is to devise a motorization unit for vehicles which is arranged to be mounted on a plurality of vehicles having different technical characteristics.
  • a further object of the present invention is to devise an assembly kit for the practical and fast replacement of pre-existing mechanical differentials with a motorization unit for vehicles with exclusively electric propulsion.
  • An additional object of the present invention is to devise a motorization unit for vehicles which allows the mentioned drawbacks of the prior art to be overcome within a simple, rational, easy and effective to use as well as affordable solution.
  • Figure 2 is an axonometric view, in partial transparency, of the same embodiment of the unit according to the invention.
  • Figure 3 is an axonometric view of another embodiment of the unit according to the invention.
  • Figure 4 is an axonometric view of yet another embodiment of the unit according to the invention.
  • Figure 5 is a cross-sectional view of the latter embodiment of the unit according to the invention.
  • reference numeral 1 globally indicates a motorization unit for vehicles.
  • the unit 1 comprises: at least one basic frame 2; at least a first electric motor 3, associated with the basic frame 2 and provided with a first drive shaft 4 rotatable around a first motor axis Ml; at least a first transmission unit 5, comprising: at least a first outlet element 6 mounted on the basic frame 2 in a rotatable manner around a first outlet axis U1 substantially parallel to the first motor axis Ml, the first outlet element 6 being configured to associate with a first axle shaft 7 of a vehicle; and first transmission means 8 for transferring the motion between the first drive shaft 4 and the first outlet element 6; at least a second electric motor 9, associated with the basic frame 2 and provided with a second drive shaft 10 rotatable around a second motor axis M2 substantially parallel to the first motor axis Ml; at least a second transmission unit 11, comprising: at least a second outlet element 12 mounted on the basic frame 2 in a rotatable manner around a second outlet axis U2 substantially parallel to the second
  • the electronic processing and control unit 15 is configured to control the rotational speed of the individual electric motors 3, 9 by causing the first electric motor 3 to generate a possibly different amount of power than that generated by the second electric motor 9, so as to cause the first outlet element 6 and the second outlet element 12 to rotate at rotational speeds that may also differ from each other (e.g., when cornering or under conditions of lack of grip).
  • the basic frame 2 comprises at least a first plate 16 and at least a second plate 17, substantially parallel to each other and substantially orthogonal to the first motor axis Ml and to the second motor axis M2, wherein the first plate 16 is positioned between the first electric motor 3 and the first transmission unit 5 and the second plate 17 is positioned between the second electric motor 9 and the second transmission unit 11.
  • the first plate 16 comprises: at least a first main face 18; at least a first secondary face 19, opposite the first main face 18; at least a first opening 20 made through; wherein the first electric motor 3 is arranged on the side of the first main face 18, the first transmission unit 5 is arranged on the side of the first secondary face 19 and the first drive shaft 4 is arranged to pass through the first opening 20.
  • the first opening 20 is substantially circular in shape and extends between the first main face 18 and the first secondary face 19.
  • the first plate 16 is substantially triangular in shape with rounded corners.
  • the first plate 16 comprises a first connection hole 21 obtained through, substantially circular in shape and provided with a first axis of connection Cl.
  • the first opening 20 and the first connection hole 21 are obtained in the proximity of two vertices of the first plate 16 with a substantially triangular shape.
  • the second electric motor 9 is associated with the first main face 18, for example such that the first axis of connection Cl is substantially coincident with the second motor axis M2.
  • the second plate 17 comprises: at least a second main face 22; at least a second secondary face 23, opposite the second main face 22; at least a second opening 24 made through; wherein the second electric motor 9 is arranged on the side of the second main face 22, the second transmission unit 11 is arranged on the side of the second secondary face 23 and the second drive shaft 10 is arranged to pass through the second opening 24.
  • the second opening 24 is substantially circular in shape and extends between the second main face 22 and the second secondary face 23.
  • the second plate 17 is substantially triangular in shape with rounded corners.
  • the second plate 17 comprises a second connection hole 25 formed through, substantially circular in shape and provided with a second axis of connection C2.
  • the second opening 24 and the second connection hole 25 are obtained in the proximity of two vertices of the second plate 17 of substantially triangular shape.
  • the first electric motor 3 is associated with the second main face 22, for example in a such way that the second axis of connection C2 is substantially coincident with the first motor axis Ml.
  • the basic frame 2 comprises at least a first supporting body 26 for the rotary support of the first outlet element 6, the first supporting body 26 being associated with the first plate 16 by interposition of first position adjustment means 27 of the first outlet axis U1 with respect to the first motor axis Ml and to the second motor axis M2.
  • the first supporting body 26 abuts against the first main face 18 and can creep with respect thereto by the action of the first position adjustment means 27.
  • the first position adjustment means 27 comprise a first sliding pocket 31 formed in the first plate 16 and wherein the first supporting body 26 is housed in a sliding manner.
  • the first sliding pocket 31 is substantially a through hole formed between the first main face 18 and the first secondary face 19 and is oriented along a first direction of sliding SI substantially orthogonal to the lying plane of the first motor axis Ml and of the second motor axis M2.
  • the first position adjustment means 27 also comprise a first adjustment screw 30 coupled to the first plate 16 (e.g., to a first appendage 16a of the first plate itself) and to the first supporting body 26.
  • the first adjustment screw 30 is located inside the first sliding pocket 31 and is rotatable around an axis of rotation substantially coincident with the first direction of sliding S 1.
  • the first sliding pocket 31 is arranged in the proximity of a vertex of the first plate 16 having a substantially triangular shape; in this way, the first axis of connection Cl, the first motor axis Ml, and the first outlet axis U1 are arranged in the proximity of the three vertices of the first plate 16, thereby reducing the overall dimensions of the unit 1 all other conditions being equal.
  • the basic frame 2 comprises at least a second supporting body 28 for the rotary support of the second outlet element 12, the second supporting body 28 being associated with the second plate 17 by interposition of second position adjustment means 29 of the second outlet axis U2 with respect to the first motor axis Ml and to the second motor axis M2.
  • the second supporting body 28 abuts against the second main face 22 and can creep with respect thereto due to the action of the second position adjustment means 29.
  • the second position adjustment means 29 comprise a second sliding pocket 33 formed in the second plate 17 and wherein the second supporting body 28 is housed in a sliding manner.
  • the second sliding pocket 33 is substantially a through hole obtained between the second main face 22 and the second secondary face 23 and is oriented along a second direction of sliding S2 substantially orthogonal to the lying plane of the first motor axis Ml and of the second motor axis M2.
  • the second position adjustment means 29 also comprise a second adjustment screw 32 coupled to the second plate 17 (e.g., to a second appendage 17a of the second plate itself) and to the second supporting body 28.
  • the second adjustment screw 32 is located inside the second sliding pocket 33 and is rotatable around an axis of rotation substantially coincident with the second direction of sliding S2.
  • the second sliding pocket 33 is arranged in the proximity of a vertex of the second plate 17 having a substantially triangular shape; in this way, the second axis of connection C2, the second motor axis M2 and the second outlet axis U2 are arranged in the proximity of the three vertices of the second plate 17, thereby reducing the overall dimensions of the unit 1 all other conditions being equal.
  • the first drive shaft 4 comprises at least a first drive pulley 34
  • the first outlet element 6 comprises at least a first outlet pulley 35
  • the first transmission means 8 comprise at least a first flexible element 36 closed on itself in a loop and wrapped at least partly around the first drive pulley 34 and around the first outlet pulley 35.
  • the second drive shaft 10 comprises at least a second drive pulley 37
  • the second outlet element 12 comprises at least a second outlet pulley 38
  • the second transmission means 14 comprise at least a second flexible element 39 closed on itself in a loop and wrapped at least partly around the second drive pulley 37 and around the second outlet pulley 38.
  • the first flexible element 36 and the second flexible element 39 are cog belts.
  • first flexible element 36 and the second flexible element 39 consist of chains, ropes, flat belts or the like.
  • At least one of either the first electric motor 3 or the second electric motor 9 comprises at least one detecting sensor 40 adapted to detect the angular position of at least one of either the first drive shaft 4 or the second drive shaft 10.
  • the detecting sensor 40 is provided with a gear wheel 41 mounted on at least one of either the first or the second drive shafts 4, 10.
  • the gear wheel 41 is connected to a control device not shown in the figures which allows associating the rotation of the gear wheel 41 itself with the angular position of at least one of either the first drive shaft 4 or the second drive shaft 10.
  • the first main face 18 and the second main face 22 face each other and mutually define a space wherein both electric motors 3, 9 are housed; this makes it possible to obtain a compact solution, to optimize the overall dimensions and to install the unit 1 in a plurality of different types of quadricycles depending on the availability of space on board the same.
  • FIG 3 shows a second embodiment which is provided with plates 16, 17, electric motors 3, 9 and transmission units 5, 11 similar to the embodiment shown in Figures 1-2, to the detailed description of which reference is made, except that the plates 16, 17 are arranged differently.
  • first plate 16 and the second plate 17 are associated with each other by means of connecting elements 46 such that the first secondary face 19 and the second secondary face 23 face each other and mutually define a space wherein both transmission units 5, 11 are housed.
  • the unit 1 according to this second embodiment allows obtaining a compact solution which optimizes the space available and is suitable in those circumstances where, for physical and/or geometric reasons, the unit 1 according to the first embodiment cannot be installed on board the vehicles.
  • Figure 4 and Figure 5 show a third embodiment which is provided with plates 16, 17 and transmission units 5, 11 similar to the embodiment shown in Figures 1-2, a detailed description of which is referred to herein.
  • the third embodiment differs from the first embodiment by the fact that a plurality of electric motors 3, 9 is provided connected in series.
  • the unit 1 comprises: a plurality of first electric motors 3 connected in series to form a first common electric motor 42, the first drive shafts 4 of the first electric motors 3 being integrally associated with each other to form a first common drive shaft 43 rotatable around the first motor axis Ml; a plurality of second electric motors 9 connected in series to form a second common electric motor 44, the second drive shafts 10 of the second electric motors 9 being integrally associated with each other to form a second common drive shaft 45 rotatable around the second motor axis M2.
  • the first common electric motor 42 is composed of two first electric motors 3 arranged on opposite sides of the second plate 17, with the first common drive shaft 43 being arranged passing through the second connection hole 25.
  • the second common electric motor 44 is composed of two second electric motors 9 arranged on opposite sides of the first plate 16, with the second common drive shaft 45 being arranged passing through the first connection hole 21.
  • the electric motors 3 are connected to each other as a stack, assembling them in series in a modular manner and in different numbers according to the needs; this allows varying the value of the power delivered in a simple, fast and reversible way, making it possible to manufacture different models of units 1 easily adaptable to a wide range of vehicles with different traction needs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Electric Motors In General (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

L'unité de motorisation pour véhicules (1) comprend : un cadre de base (2) ; un premier moteur électrique (3) associé au cadre de base (2) et pourvu d'un premier arbre d'entraînement (4) ; une première unité de transmission (5), comprenant : un premier élément de sortie (6) monté sur le cadre de base (2) ; et un premier moyen de transmission (8) pour transférer le mouvement ; un second moteur électrique (9) associé au cadre de base (2) et pourvu d'un second arbre d'entraînement (10) ; une seconde unité de transmission (11), comprenant : un second élément de sortie (12) monté sur le cadre de base (2) ; et un second moyen de transmission (14) pour transférer un mouvement ; une unité de traitement et de commande électronique (15).
PCT/IB2022/051516 2021-02-24 2022-02-21 Unité de motorisation pour véhicules Ceased WO2022180503A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22710726.5A EP4298718A1 (fr) 2021-02-24 2022-02-21 Unité de motorisation pour véhicules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000004277A IT202100004277A1 (it) 2021-02-24 2021-02-24 Unità di motorizzazione per veicoli
IT102021000004277 2021-02-24

Publications (1)

Publication Number Publication Date
WO2022180503A1 true WO2022180503A1 (fr) 2022-09-01

Family

ID=75850513

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/051516 Ceased WO2022180503A1 (fr) 2021-02-24 2022-02-21 Unité de motorisation pour véhicules

Country Status (3)

Country Link
EP (1) EP4298718A1 (fr)
IT (1) IT202100004277A1 (fr)
WO (1) WO2022180503A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6820707B1 (en) * 2002-06-03 2004-11-23 The Ohio State University Research Foundation Two motor electric axle
DE102009013871A1 (de) * 2009-03-17 2010-09-23 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Antriebseinheit mit zwei Motoreinheiten
US8641568B2 (en) * 2009-10-20 2014-02-04 GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmayer GmbH & Cie KG Electric machine for an electric axle of a motor vehicle
US20160039277A1 (en) * 2013-03-15 2016-02-11 Adrian Quintana Hybrid Axle Assembly For A Motor Vehicle
WO2019035042A1 (fr) * 2017-08-16 2019-02-21 Axletech International Ip Holdings, Llc Ensemble essieu pour véhicules à longeron
CN109421502A (zh) * 2017-08-31 2019-03-05 东风德纳车桥有限公司 一种悬置式双电机电动车桥总成
US20200023734A1 (en) * 2018-07-17 2020-01-23 Ferrari S.P.A. Motor vehicle including an electric axle
DE202020105216U1 (de) * 2019-09-10 2020-12-23 Dana Heavy Vehicle Systems Group, Llc Elektrisches Antriebssystem

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6820707B1 (en) * 2002-06-03 2004-11-23 The Ohio State University Research Foundation Two motor electric axle
DE102009013871A1 (de) * 2009-03-17 2010-09-23 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Antriebseinheit mit zwei Motoreinheiten
US8641568B2 (en) * 2009-10-20 2014-02-04 GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmayer GmbH & Cie KG Electric machine for an electric axle of a motor vehicle
US20160039277A1 (en) * 2013-03-15 2016-02-11 Adrian Quintana Hybrid Axle Assembly For A Motor Vehicle
WO2019035042A1 (fr) * 2017-08-16 2019-02-21 Axletech International Ip Holdings, Llc Ensemble essieu pour véhicules à longeron
CN109421502A (zh) * 2017-08-31 2019-03-05 东风德纳车桥有限公司 一种悬置式双电机电动车桥总成
US20200023734A1 (en) * 2018-07-17 2020-01-23 Ferrari S.P.A. Motor vehicle including an electric axle
DE202020105216U1 (de) * 2019-09-10 2020-12-23 Dana Heavy Vehicle Systems Group, Llc Elektrisches Antriebssystem

Also Published As

Publication number Publication date
IT202100004277A1 (it) 2022-08-24
EP4298718A1 (fr) 2024-01-03

Similar Documents

Publication Publication Date Title
US20250012340A1 (en) Device and method for transferring rotational power and method of using same
US5507702A (en) Limited slip differential incorporating bevel pinions
US5445572A (en) Low cost, lightweight differential
CN104235305B (zh) 具有离合器套环驱动器机构的差速器组件
KR900702267A (ko) 변속 엔진 액세서리 평벨트 구동장치
CN103459890B (zh) 带式无级变速器
WO2022180503A1 (fr) Unité de motorisation pour véhicules
JP5817104B2 (ja) ローラ式摩擦伝動ユニット
KR101051581B1 (ko) 효율적인 링크구조를 가지는 무단변속기
CN103174808A (zh) 一种无级变速装置
CN113574294B (zh) 摩擦辊减速器
EP3267073A1 (fr) Ensemble essieu ayant un ensemble palier de support
CN1252401C (zh) 皮带驱动环连续变速传动装置连接器
US20150011357A1 (en) Dual-cavity toroidal variator
US2927480A (en) Differential drive
US2000593A (en) Variable speed transmission
US3154969A (en) Semi-locking differential
US4520693A (en) High ratio drive
US20070155576A1 (en) Differential transmission system
US12044304B2 (en) Differential with lubrication ports
AU2016210772A1 (en) Axle assembly having an adjuster ring
CN103998825B (zh) 采用变化的可转向滚子的无限可变牵引驱动器
CN2168752Y (zh) 使用超越离合器的差速机构
JP7606387B2 (ja) 差動装置
US2932217A (en) Power transmission

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: 22710726

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2022710726

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2022710726

Country of ref document: EP

Effective date: 20230925