FR2885328A1 - Propulsion unit for scooter, has centrifugal clutch comprising clutch plate connected to heat engine and clutch housing connected to drive wheel, where housing has driven pulley connected to output shaft of electric motor - Google Patents

Propulsion unit for scooter, has centrifugal clutch comprising clutch plate connected to heat engine and clutch housing connected to drive wheel, where housing has driven pulley connected to output shaft of electric motor Download PDF

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Publication number
FR2885328A1
FR2885328A1 FR0504645A FR0504645A FR2885328A1 FR 2885328 A1 FR2885328 A1 FR 2885328A1 FR 0504645 A FR0504645 A FR 0504645A FR 0504645 A FR0504645 A FR 0504645A FR 2885328 A1 FR2885328 A1 FR 2885328A1
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Prior art keywords
clutch
propulsion unit
driven pulley
auxiliary
housing
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Granted
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FR0504645A
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French (fr)
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FR2885328B1 (en
Inventor
Bruno Causse
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ADS TECHNOLOGIES
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ADS TECHNOLOGIES
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/383—One-way clutches or freewheel devices
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K2202/00—Motorised scooters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The unit has an electric motor (14) comprising an output shaft (17), and a centrifugal clutch (4) comprising a clutch plate (5) connected to a heat engine (2) and a clutch housing (6) connected to a drive wheel (3). The housing carries an auxiliary driven pulley (19) connected to the output shaft through an auxiliary driving belt (20). The pulley is mounted in a free wheel around a hub (25) fixed to the housing.

Description

UNITE DE PROPULSION POUR SCOOTERPROPULSION UNIT FOR SCOOTER

La présente invention concerne une unité de propulsion pour un véhicule à deux roues du type scooter.  The present invention relates to a propulsion unit for a two-wheeled vehicle of the scooter type.

On connaît une unité de propulsion pour scooter comprenant un moteur principal, un moteur auxiliaire, une roue motrice et un embrayage dont l'organe d'entrée est relié au moteur principal et l'organe de sortie est relié à la roue motrice. Classiquement, le moteur principal est un moteur thermique et le moteur auxiliaire est un moteur électrique.  There is known a propulsion unit for scooter comprising a main motor, an auxiliary motor, a drive wheel and a clutch whose input member is connected to the main motor and the output member is connected to the driving wheel. Conventionally, the main engine is a heat engine and the auxiliary motor is an electric motor.

L'inconvénient majeur d'une telle unité de propulsion connue est, d'une part, qu'elle est particulièrement complexe et nécessite d'apporter des modifications conséquentes à l'unité de propulsion thermique pour y intégrer la propulsion électrique, et, d'autre part, que l'autonomie du moteur électrique dans un régime acceptable pour une circulation en ville étant faible.  The major disadvantage of such a known propulsion unit is, on the one hand, that it is particularly complex and requires substantial modifications to the thermal propulsion unit to incorporate electric propulsion, and, d on the other hand, that the autonomy of the electric motor in an acceptable regime for a city traffic is low.

Le présente invention vise à pallier les inconvénients pré-cités.  The present invention aims to overcome the aforementioned disadvantages.

Selon l'invention, le moteur auxiliaire est relié à la roue motrice par l'intermédiaire de l'organe de sortie de l'embrayage.  According to the invention, the auxiliary motor is connected to the drive wheel via the output member of the clutch.

Ainsi, conformément à la présente invention, la liaison du moteur auxiliaire à la roue motrice se faisant par l'organe de sortie de l'embrayage (classiquement une cloche d'embrayage), l'intégration des moyens de propulsion auxiliaire à l'unité de propulsionz thermique est particulièrement simple, l'unité de propulsion thermique ne nécessitant pas d'être modifiée. De plus, cet agencement permet une grande souplesse dans l'utilisation sélective de l'un ou l'autre des moteurs, ou des deux.  Thus, in accordance with the present invention, the connection of the auxiliary motor to the driving wheel is effected by the output member of the clutch (conventionally a clutch bell), the integration of the auxiliary propulsion means to the unit Thermal propulsion is particularly simple, the thermal propulsion unit does not need to be modified. In addition, this arrangement allows great flexibility in the selective use of one or the other of the engines, or both.

D'autres particularités et avantages de la présente invention apparaîtront dans la descriptior du mode de réalisation donné à titre d'exemple non limitatif et illustré par la figure mise en annexe qui est une vue schématique d'une unité de propulsion conforme à la présente invention.  Other features and advantages of the present invention will appear in the description of the embodiment given by way of non-limiting example and illustrated by the appended figure which is a schematic view of a propulsion unit according to the present invention. .

Comme on peut le voir à la figure, l'unité de propulsion d'un scooter comprend un moteur principal 2, une roue motrice 3 et un embrayage 4 dont l'organe d'entrée 5 est relié au moteur principal 2 et l'organe de sortie 6 est relié à la roue motrice 3.  As can be seen in the figure, the propulsion unit of a scooter comprises a main motor 2, a drive wheel 3 and a clutch 4 whose input member 5 is connected to the main motor 2 and the body 6 is connected to the driving wheel 3.

La liaison entre le moteur principal 2 et la roue motrice 3 est classique. Le moteur principal 2 (en l'occurrence un moteur thermique 2) entraîne en rotation, par son arbre de sortie 7, une poulie menante principale 8 qui lui est liée. La poulie menante principale 8 entraîne en rotation une poulie menée principale 9 par l'intermédiaire d'une:ourroie de transmission principale 10. Dans le présent mode de réalisation, les poulies menante et menée principales 8,9 et la courroie de transmission principale 10 sont agencées de façon à former un système de transmission à variation continue classique, chaque poulie 8,9 étant formée de deux plateaux co-axiaux dont la distance est variable de façon à modifier le rapport des vitesses de ces poulies 8,9. L'embrayage 4 (en l'occurrence un embrayage centrifuge 4) comprend un organe d'entrée 5 (en l'occurrence un disque d'embrayage 5 portant des masselottes) et un organe de sortie 6 (en L'occurrence une cloche d'embrayage 6 entourant l'organe d'entrée 5).  The connection between the main engine 2 and the driving wheel 3 is conventional. The main engine 2 (in this case a heat engine 2) drives in rotation, through its output shaft 7, a main driving pulley 8 which is connected thereto. The main driving pulley 8 rotates a main driven pulley 9 through a main transmission belt 10. In the present embodiment, the main driven and driven pulleys 8,9 and the main transmission belt 10 are arranged to form a conventional continuously variable transmission system, each pulley 8,9 being formed of two coaxial plates whose distance is variable so as to change the ratio of the speeds of these pulleys 8,9. The clutch 4 (in this case a centrifugal clutch 4) comprises an input member 5 (in this case a clutch disc 5 carrying weights) and an output member 6 (in this case a cloche d). clutch 6 surrounding the input member 5).

3 2885328 Le disque d'embrayage 5 est solidaire en rotation de la poulie menée principale 9, ces deux éléments 5,9 étant portés par un même arbre d'entrée 11. La cloche d'embrayage 6 est solidaire en rotation d'un premier pignon 12 d'un train d'engrenages 13 qui relie l'organe de sortie 6 à la roue motrice 3, la cloche 6 et le premier pignon 12 étant porté par un même arbre de sortie 31 coaxial à l'arbre d'entrée 11.  3 2885328 The clutch disk 5 is integral in rotation with the main driven pulley 9, these two elements 5,9 being carried by the same input shaft 11. The clutch bell 6 is integral in rotation with a first pinion 12 of a gear train 13 which connects the output member 6 to the driving wheel 3, the bell 6 and the first pinion 12 being carried by the same output shaft 31 coaxial with the input shaft 11 .

De plus, conformément à la présente invention, l'unité de propulsion 1 comprend un moteur auxiliaire 14 qui est relié à la roue motrice 3 par l'intermédiaire de l'organe de sortie 6 de l'embrayage 4. De cette façon, il est particulièrement aisé d'intégrer le moteur auxiliaire à une unité de propulsion classique, la liaison se faisant en aval de l'embrayage 4. Le moteur auxiliaire 14 (en l'occurrence un moteur électrique 14 relié à une batterie pouvant être alimentée, par exemple, par le générateur 15 dont le rotor 16 est porté par l'arbre de sortie 7 du moteur thermique 2) entraîne en rotation, par son arbre de sortie 17, une poulie menante auxiliaire 18 qui lui est liée. La poulie menante auxiliaire 18 entraîne en rotation une poulie menée auxiliaire 19 par l'intermédiaire d'une courroie de transmission auxiliaire 20. La poulie menée auxiliaire 19 est portée par la cloche 6 de l'embrayage centrifuge 4.  In addition, according to the present invention, the propulsion unit 1 comprises an auxiliary motor 14 which is connected to the driving wheel 3 via the output member 6 of the clutch 4. In this way, it is particularly easy to integrate the auxiliary motor to a conventional propulsion unit, the link being downstream of the clutch 4. The auxiliary motor 14 (in this case an electric motor 14 connected to a battery can be powered, by For example, by the generator 15 whose rotor 16 is carried by the output shaft 7 of the heat engine 2) drives in rotation, through its output shaft 17, an auxiliary driving pulley 18 which is connected thereto. The auxiliary driving pulley 18 rotates an auxiliary driven pulley 19 via an auxiliary transmission belt 20. The auxiliary driven pulley 19 is carried by the bell 6 of the centrifugal clutch 4.

Dans le présent mode de réalisation, un tendeur 21 formé par un galet 22 monté sur un bras articulé 23 permet d'assurer une tension suffisante sur la courroie de transmission auxiliaire 20.  In the present embodiment, a tensioner 21 formed by a roller 22 mounted on an articulated arm 23 ensures a sufficient tension on the auxiliary transmission belt 20.

Dans le présent mode de réalisation, la poulie menée auxiliaire 19 est, d'une part, coaxiale à la cloche 6, et, d'autre part, est montée à cette dernière du côté opposé à celui adjacent au disque d'embrayage 5.  In the present embodiment, the auxiliary driven pulley 19 is, on the one hand, coaxial with the bell 6, and, on the other hand, is mounted thereto on the side opposite to that adjacent to the clutch disk 5.

Par ailleurs, le scooter comprend des moyens de commande des moteurs permettant de commander la mise en route des deux moteurs 2,14 indépendamment l'un de l'autre. Ce scooter peut donc avoir différents modes de fonctionnement selon le(s) moteur(s) ut_Jisé(s). En propulsion thermique seule, le fonctionnement de l'unité de propulsion est classique du fait que la partie thermique de l'unité de propulsion 1 conforme à la présente invention correspond à une unité ce propulsion d'un scooter thermique classique: ainsi, le moteur thermique 2 entraîne le disque d'embrayage 5 et, selon la vitesse de rotation de ce dernier, la cloche d'embrayage 6 et donc la roue motrice 3, dans un sens de rotation vers l'avant. En propulsion électricue seule, le moteur électrique 14 entraîne la polie menée auxiliaire 19 selon un sens de rotation selor lequel elle entraîne en rotation la cloche d'embrayage 6 et donc la roue motrice 3 dans le sens de rotation vers l'avant. En propulsion mixte, le moteur électrique 14 entraîne la cloche 6, et le moteur thermique 2 entraîne également cette cloche 6 quand le disque 5 atteint une certaine vitesse.  Furthermore, the scooter comprises motor control means for controlling the start of the two motors 2,14 independently of one another. This scooter can therefore have different modes of operation depending on the engine (s) ut_Jis (s). In thermal propulsion alone, the operation of the propulsion unit is conventional in that the thermal part of the propulsion unit 1 according to the present invention corresponds to a unit that propulsion of a conventional thermal scooter: thus, the engine 2 drives the clutch disc 5 and, depending on the speed of rotation of the latter, the clutch housing 6 and thus the driving wheel 3, in a direction of rotation forward. In electric propulsion alone, the electric motor 14 drives the auxiliary polished poles 19 in a direction of rotation, in which it rotates the clutch bell 6 and thus the drive wheel 3 in the direction of rotation towards the front. In mixed propulsion, the electric motor 14 drives the bell 6, and the heat engine 2 also drives the bell 6 when the disk 5 reaches a certain speed.

Selon les moteurs électrique 14 et thermique 2 utilisés dans une même unité de propulsion 1, vu les vitesses de rotation de leurs arbres de sortie 7,17, à partir d'un certain régime du moteur thermique 2 (et donc à partir d'une vitesse de déplacement dl scooter), l'accouplement du moteur électrique peut devenir un inconvénient important. Aussi, dans le présent mode de réalisation, la poulie menée auxiliaire 19 est reliée à la cloche d'embrayage 6 par un dispositif de transmission libérable 24 permettant de désaccoupler le moteur électrique 14 de la cloche 6 (et donc du moteur thermique 2).  According to the electric motors 14 and thermal 2 used in the same propulsion unit 1, given the rotational speeds of their output shafts 7,17, from a certain speed of the engine 2 (and therefore from a speed of displacement scooter), the coupling of the electric motor can become a major disadvantage. Also, in the present embodiment, the auxiliary driven pulley 19 is connected to the clutch housing 6 by a releasable transmission device 24 for disengaging the electric motor 14 from the bell 6 (and therefore the engine 2).

En l'occurrence la poulie menée auxiliaire 19 est montée en roue libre autour d'un moyeu 25 fixé à la cloche d'embrayage 6. Ainsi, quand les deux moteurs 2,14 sont utilisés, lorsque la vitesse de rotation de la cloche d'embrayage 6 du fait de son entraînement par le moteur thermique 2 (ou du fait de son inertie suite à un entraînement précédent par le moteur thermique 2) dépasse la vitesse de rotation maximale de la poulie menée auxiliaire 19 imposée par le moteur électrique 14 en régime maximum, la cloche d'embrayage 6 et la poulie menée auxiliaire 19 (et donc le moteur électrique 14) sont désaccouplées. Il est alors possible d'arrêter le moteur électrique 14 depuis les moyens de commande des moteurs.  In this case the auxiliary driven pulley 19 is freewheeling around a hub 25 fixed to the clutch bell 6. Thus, when the two motors 2.14 are used, when the speed of rotation of the bell clutch 6 due to its driving by the heat engine 2 (or because of its inertia following a previous drive by the engine 2) exceeds the maximum speed of rotation of the auxiliary drive pulley 19 imposed by the electric motor 14 maximum speed, the clutch bell 6 and the auxiliary driven pulley 19 (and therefore the electric motor 14) are uncoupled. It is then possible to stop the electric motor 14 from the engine control means.

Le montage en roue libre de la poulie menée auxiliaire 19 sur la cloche d'embrayage 6 permet aussi de passer simplement du mode de propulsion thermique au mode de propulsion électrique en réduisant la vitesse de la cloche d'embrayage 6 (par exemple en arrêtant le moteur thermique 2 qui entraîne le ralentissement du disque 5, la libération de la cloche 6 et le ralentissement de cette dernière) jusqu'à atteindre la vitesse de la poulie menée auxiliaire 19 entraînée par le moteur électrique 14; et inversement en mettant en route le moteur thermique 2 qui entraîne la rotation du disque d'embrayage 5, puis celui de la cloche 6. De même ce montage permet de passer tout aussi simplemert d'un mode de propulsion unique (thermique ou électrique) au mode de propulsion mixte, et inversement, la vitesse de rotation de la cloche 6 étant inférieure à la vitesse maximale de rotation de la poulie menée auxiliaire 19.  The freewheeling of the auxiliary driven pulley 19 on the clutch bell 6 also makes it possible to simply switch from the thermal propulsion mode to the electric propulsion mode by reducing the speed of the clutch bell 6 (for example by stopping the thermal engine 2 which causes the slowing of the disc 5, the release of the bell 6 and the slowing thereof) to reach the speed of the auxiliary driven pulley 19 driven by the electric motor 14; and conversely by starting the heat engine 2 which causes the rotation of the clutch disk 5, then that of the bell 6. Likewise this assembly makes it possible to pass just as easily from a single propulsion mode (thermal or electric) in the mixed propulsion mode, and vice versa, the speed of rotation of the bell 6 being less than the maximum speed of rotation of the auxiliary driven pulley 19.

La présente invention permet donc de réduire considérablement la consommation en carbu=_ant et donc l'émission de polluants, la propulsion du scooter pouvant se faire thermiquement et/ou électriquement. De plus, la réalisation de l'unité de propulsion 1 conforme à la présente invention à partir d'une unité de propulsion thermique d'un scooter classique est particulièrement simple du fait qu'elle ne nécessite aucune modification dans cette unité de propulsion thermique. Seul un branchement à cette unité par la réalisation d'une liaison d'une poulie menée auxiliaire 19 à la cloche d'embrayage 6 doit être fait, ce branchement n'entraînant aucune modification de l'embrayage 4 vu qu'il se fait sur la cloche 6, à son côté accessible qui est opposé au disque 5.  The present invention therefore makes it possible to considerably reduce the fuel consumption and thus the emission of pollutants, the propulsion of the scooter being able to be done thermally and / or electrically. In addition, the embodiment of the propulsion unit 1 according to the present invention from a thermal propulsion unit of a conventional scooter is particularly simple because it does not require any modification in this thermal propulsion unit. Only a connection to this unit by making a connection of an auxiliary driven pulley 19 to the clutch bell 6 must be made, this connection causing no modification of the clutch 4 since it is done on the bell 6, at its accessible side which is opposite the disk 5.

Des modifications au présent mode de réalisation 20 peuvent être apportées.  Modifications to the present embodiment can be made.

Il serait ainsi possible que la poulie menée auxiliaire 19 soit fixée à la cloche d'embrayage 6, et non pas reliée par un dispositif de transmission libérable 24. Cette variante est intéressante dans le cas où la vitesse de rotation de la poulie menée auxiliaire 19 peut atteindre des valeurs avoisinant celle de la cloche d'embrayage 6 entraînée par le moteur thermique 2. Cette variante permet également de pouvoir recharger la batterie alimentant le moteur électrique 14, ce dernier fonctionnant comme générateur.  It would thus be possible for the auxiliary driven pulley 19 to be fixed to the clutch bell 6, and not connected by a releasable transmission device 24. This variant is of interest in the case where the speed of rotation of the auxiliary driven pulley 19 can reach values close to that of the clutch bell 6 driven by the heat engine 2. This variant also allows to be able to recharge the battery powering the electric motor 14, the latter operating as a generator.

Il serait aussi possible que le dispositif de transmission libérable 24 soit autre qu'une roue libre, par exemple un dispositif d'embrayage.  It would also be possible for the releasable transmission device 24 to be other than a free wheel, for example a clutch device.

Claims (10)

REVENDICATIONS;CLAIMS; 1. Unité de propulsion (1) pour scooter comprenant un moteur principal (2) , un moteur auxiliaire (14), une roue motrice (3) et un embrayage (4) dcnt l'organe d'entrée (5) est relié au moteur principal (2) et l'organe de sortie (6) est relié à la roue motrice (3), caractérisée en ce que le moteur auxiliaire (14) est relié à la roue motrice (3) par l'intermédiaire de l'organe de sortie (6) de l'embrayage (4).  1. A propulsion unit (1) for a scooter comprising a main motor (2), an auxiliary motor (14), a driving wheel (3) and a clutch (4) of which the input member (5) is connected to the main motor (2) and the output member (6) is connected to the driving wheel (3), characterized in that the auxiliary motor (14) is connected to the driving wheel (3) via the output member (6) of the clutch (4). 2. Unité de propulsion (1) selon la revendication 1, caractérisée en ce que l'organe de sortie (6) de l'embrayage (4) porte une poulie menée auxiliaire (19) qui est reliée à l'arbre de sortie (17) du moteur auxiliaire (14) par l'intermédiaire d'une courroie de transmission auxiliaire (20).  Propulsion unit (1) according to claim 1, characterized in that the output member (6) of the clutch (4) carries an auxiliary driven pulley (19) which is connected to the output shaft ( 17) of the auxiliary motor (14) via an auxiliary transmission belt (20). 3. Unité de propulsion (1) selon la revendication 2, caractérisée en ce que la poulie menée auxiliaire (19) et l'organe de sortie (6) de l'embrayage (4) sont coaxiaux.  3. Propulsion unit (1) according to claim 2, characterized in that the auxiliary driven pulley (19) and the output member (6) of the clutch (4) are coaxial. 4. Unité de propulsion (1) selon la revendication 2 ou 3, caractérisée en ce que la poulie menée auxiliaire (19) est fixée à l'organe de sortie (6) de l'embrayage (4).  4. Propulsion unit (1) according to claim 2 or 3, characterized in that the auxiliary driven pulley (19) is fixed to the output member (6) of the clutch (4). 5. Unité de propulsion (1) selon la revendication 2 ou 3, caractérisée en ce que la poulie menée auxiliaire (19) est reliée à l'organe de sortie (6) de l'embrayage (4) par un dispositif de transmission libérable (24).  5. Propulsion unit (1) according to claim 2 or 3, characterized in that the auxiliary driven pulley (19) is connected to the output member (6) of the clutch (4) by a releasable transmission device (24). 6. Unité de propulsion (1) selon la revendication 5, caractérisée en ce que le dispositif de transmission libérable (24) est formé par le montage de la poulie menée auxiliaire (19) en roue libre autour d'un moyeu (25) fixé à l'organe de sortie (6) de l'embrayage (4).  6. propulsion unit (1) according to claim 5, characterized in that the releasable transmission device (24) is formed by mounting the auxiliary driven pulley (19) freewheeling around a hub (25) fixed to the output member (6) of the clutch (4). 7. Unité de propulsion (1) selon l'une des  7. Propulsion unit (1) according to one of the revendications 1 à 6, caractérisée en ce que  Claims 1 to 6, characterized in that l'embrayage (4) est un embrayage centrifuge 4).  the clutch (4) is a centrifugal clutch 4). 8. Unité de propulsion selon l'une des revendications 1 à 7, caractérisée en ce que la poulie menée auxiliaire (19) est montée contre l'organe de sortie (6) de l'embrayage (4) formé par une cloche (6), du côté opposé à celui adjacent à l'organe d'entrée (5) formé par un disque (5).  8. Propulsion unit according to one of claims 1 to 7, characterized in that the auxiliary driven pulley (19) is mounted against the output member (6) of the clutch (4) formed by a bell (6). ), on the opposite side to that adjacent to the input member (5) formed by a disk (5). 9. Unité de propulsion (1) selon l'une des revendications 1 à 8, caractérisée en ce que le moteur 15 auxiliaire (14) est un moteur électrique (14).  9. Propulsion unit (1) according to one of claims 1 to 8, characterized in that the auxiliary motor (14) is an electric motor (14). 10. Scooter comprenant une unité de propulsion (1) selon l'une des revendications 1 à 8, caractérisé en ce qu'il comprend des moyens permettant de commander la mise en route des deux moteurs (2,14) indépendamment l'un de l'autre.  10. Scooter comprising a propulsion unit (1) according to one of claims 1 to 8, characterized in that it comprises means for controlling the start of the two motors (2,14) independently one of the other.
FR0504645A 2005-05-04 2005-05-04 PROPULSION UNIT FOR SCOOTER Expired - Fee Related FR2885328B1 (en)

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CN105329383A (en) * 2015-12-15 2016-02-17 傅飞艳 Fuel and electricity hybrid power motor tricycle

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