FR2952590A1 - Transmission for e.g. hybrid propulsion car, has annulus gear coupled to annulus gear of speed reducer gear train by one clutch, and third annulus gear coupled to input speed of planetary gear post of gear train by unit and another clutch - Google Patents

Transmission for e.g. hybrid propulsion car, has annulus gear coupled to annulus gear of speed reducer gear train by one clutch, and third annulus gear coupled to input speed of planetary gear post of gear train by unit and another clutch Download PDF

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Publication number
FR2952590A1
FR2952590A1 FR0905484A FR0905484A FR2952590A1 FR 2952590 A1 FR2952590 A1 FR 2952590A1 FR 0905484 A FR0905484 A FR 0905484A FR 0905484 A FR0905484 A FR 0905484A FR 2952590 A1 FR2952590 A1 FR 2952590A1
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train
gear
clutch
shaft
pinion
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Granted
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FR0905484A
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French (fr)
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FR2952590B1 (en
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Pierre Guy Tosi
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Classifications

    • 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
    • B60K6/365—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 with the gears having orbital motion
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F16H3/725—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines with means to change ratio in the mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
    • F16H2200/0086—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising two reverse speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
    • F16H2200/2023—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 4 connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing
    • 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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The transmission has a speed reducer gear train (T1), and a Ravigneaux gear train (T2) connected to engine input speed by clutches (E3, E4) and to reduction speed by clutches (E1, E2). The gear train (T2) has a drive pinion (1) connected to an electrical machine (EL), planetary gear clearances (2, 4), planetary gear terminal driving outputs towards wheels. An annulus gear (3) is connected to an annulus gear (D) of the gear train (T1) by the clutch (E1), and an annulus gear (5) is connected to the input speed of planetary gear post (G) of the gear train (T1) by a unit (H) and the clutch (E3).

Description

L'invention se rapporte aux transmissions planétaires ou boîtes de vitesses dont les rapports de démultiplication ou multiplication sont réalisés par l'engagement d'organes de friction tels qu'embrayages et freins, et qui sont généralement associées à un organe de démarrage à glissement progressif tel qu'un convertisseur hydraulique à pontage interne ou éventuellement un embrayage simple commandé automatiquement. The invention relates to planetary transmissions or gearboxes whose gear ratios or multiplication are achieved by the engagement of friction members such as clutches and brakes, and which are generally associated with a progressive sliding start member such as a hydraulic converter with internal bridging or possibly a simple clutch controlled automatically.

Elle a pour but de résoudre le problème des voitures, à traction avant et à moteur transversal qui impose une transmission de faible longueur avec sortie latérale vers l'engrenage de réduction finale et son différentiel. Ces voitures devant aussi pouvoir bénéficier de la propulsion dite hybride, c'est-à-dire à partir d'un moteur thermique conventionnel et d'un moteur électrique. La situation énergétique actuelle étant caractérisée par l'épuisement des ressources pétrolières, l'accroissement du peuplement suburbain avec ses besoins de transports indivi- duels et le ralentissement consécutif des vitesses de circulation ; un besoin s'est créé de transmissions et boîtes de vitesses d'automobiles à nombreux rapports pour placer le moteur thermique dans ses meilleures conditions d'économie et aussi pour offrir la possibilité de conjuguer une source de puissance électrique en vue de répondre aux faibles vitesses imposées par la réglementation et les encombrements de circulation. It aims to solve the problem of cars, front-wheel drive and transverse engine that requires a transmission of short length with side output to the final reduction gear and its differential. These cars must also be able to benefit from the so-called hybrid propulsion, that is to say from a conventional engine and an electric motor. The current energy situation is characterized by the depletion of oil resources, the growth of the suburban population with its needs for individual transport and the consequent slowing down of traffic speeds; a need has arisen for many-speed automotive transmissions and transmissions to place the engine in its best economy and also to offer the possibility of combining a source of electrical power to meet the low speeds. imposed by regulations and traffic congestion.

Pour répondre à ces problèmes la transmission de l'invention procure huit rapports en marche avant, deux en marche arrière et une prise de mouvement pour une machine électrique de puissance limitée mais suffisante pour circuler à 50 km/h et capable de charger un accumulateur en recevant de l'énergie mécanique issue du véhicule en mou- vement ou du moteur quand le véhicule est immobile. Dans une variante, elle procure également six rapports en marche avant et un rapport en marche arrière avec une prise de mouvement pour une machine électrique. To meet these problems, the transmission of the invention provides eight forward gears, two in reverse and a power take-off for an electric machine of limited power but sufficient to travel at 50 km / h and able to charge a battery in receiving mechanical energy from the moving vehicle or the engine when the vehicle is stationary. In a variant, it also provides six forward gears and a reverse gear with a power take-off for an electric machine.

En analogie avec des brevets Pierre Le Pelletier, connus depuis 1966, le principe est d'utiliser deux niveaux de vitesse, l'un étant égal à la vitesse d'entrée et l'autre à une fraction de cette dernière. Les dits niveaux de vitesse étant appliqués sélectivement ou simultanément à l'aide de quatre embrayages à trois organes d'un mécanisme planétaire dont deux des trois organes précédents peuvent aussi être immobilisés par deux freins. In analogy with patents Pierre Le Pelletier, known since 1966, the principle is to use two levels of speed, one being equal to the speed of entry and the other to a fraction of the latter. Said speed levels being applied selectively or simultaneously with the aid of four three-member clutches of a planetary mechanism, two of the three preceding members can also be immobilized by two brakes.

Suivant le brevet FR 2870580, une transmission automatique planétaire offre huit vitesses avant, deux vitesses arrière ou bien six vitesses avant et une arrière. Cette transmission animée par moteur thermique ne prévoit pas de connexion à une machine électrique ni de sortie latérale adaptée à la position transversale du moteur en traction avant. Cette transmission comporte un train planétaire double du type « Ravigneaux, au moins un train supplémentaire ainsi que quatre ou trois embrayages et deux freins combinés de manière sélective. Enfin l'arbre de sortie vers les roues du véhicule est toujours entraîné par la couronne unique du train Ravigneaux et les schémas font présumer un encombrement de longueur difficilement compatible avec les voitures à traction avant Le demandeur s'est donc posé le problème de loger une transmission planétaire à huit ou six rapports dans l'espace restreint disponible sur les voitures à traction avant à moteur transversal, avec entraînement par énergie thermique ou électrique ou les deux à la fois. According to patent FR 2870580, an automatic planetary transmission offers eight forward speeds, two reverse speeds or six forward speeds and one reverse. This transmission powered by a heat engine does not provide connection to an electric machine or lateral output adapted to the transverse position of the engine in front traction. This transmission comprises a twin planetary gear type Ravigneaux, at least one additional train and four or three clutches and two brakes selectively combined. Finally the output shaft to the wheels of the vehicle is still driven by the single crown of the train Ravigneaux and the diagrams cause presume a length of space hardly compatible with the cars with front wheel drive The applicant has therefore posed the problem of housing a Eight or six-speed planetary transmission in the limited space available on front-wheel drive cars with transverse drive, with thermal or electric power drive or both.

A cet effet, l'invention a pour objet une transmission planétaire à sortie latérale dont les rapports sont réalisés par engagement sélectif d'embrayages et de freins, la dite transmission étant connectée à un moteur thermique et à une machine électrique. Cette transmission étant caractérisée en ce qu'elle comporte deux trains planétaires reliés entre eux, un train (Ti) réducteur de vitesse de l'arbre d'entrée (A) du moteur thermique et un train (T2) de type Ravigneaux, ce train (T2) étant relié à la vitesse d'entrée moteur par les embrayages (E3) et (E4) et à la vitesse réduite par les embrayages (El) et (E2). To this end, the subject of the invention is a planetary transmission with lateral output whose ratios are made by selective engagement of clutches and brakes, said transmission being connected to a heat engine and an electric machine. This transmission being characterized in that it comprises two planetary gear interconnected, a gear (Ti) gearbox of the input shaft (A) of the engine and a train (T2) type Ravigneaux, this train (T2) being connected to the motor input speed by the clutches (E3) and (E4) and at the reduced speed by the clutches (El) and (E2).

Suivant une caractéristique de l'invention, le train composé (T2) de type Ravigneaux comporte un pignon unique (1) relié à la machine électrique (EL), deux jeux de satellites (2, 4), un seul porte satellites (K) entraînant la sortie (7, 8) vers les roues du véhicule, et deux couronnes (3, 5) reliées au train réducteur (Ti), la couronne (3) étant reliée à un élément (D) à vitesse réduite du train (Ti) par l'embrayage (El), et la couronne (5) étant reliée à la vitesse d'entrée du porte satellites (G) du train (Ti) par un élément (H) et par l'embrayage (E3). Grâce à la constitution du train composé du type Ravigneaux avec deux couronnes contrôlées, un seul pignon contrôlé et un porte satellites solidaire de l'arbre de sortie, la longueur totale de la transmission devient compatible à l'espace disponible restreint des voitures à traction avant D'autres caractéristiques fondamentales apparaîtront dans la description qui va suit : According to one characteristic of the invention, the Ravigneaux-type compound train (T2) comprises a single gear (1) connected to the electric machine (EL), two sets of satellites (2, 4), a single satellite carrier (K) causing the exit (7, 8) to the wheels of the vehicle, and two rings (3, 5) connected to the reducing gear (Ti), the ring gear (3) being connected to a member (D) at a reduced speed of the gear (Ti ) by the clutch (El), and the ring (5) being connected to the input speed of the planet carrier (G) of the train (Ti) by an element (H) and by the clutch (E3). Thanks to the composition of the Ravigneaux-type train with two controlled crowns, a single controlled gear and a satellite carrier integral with the output shaft, the total length of the transmission becomes compatible with the limited space available for front-wheel drive cars. Other fundamental characteristics will appear in the following description:

Aux dessins annexés, donnés uniquement à titre d'exemple, La Fig.1 est un schéma conventionnel de la boîte de vitesses de l'invention à huit vitesses avant, deux vitesses arrière et point mort freiné avec sortie de mouvement par un en-grenage latéral, La Fig.2 est un tableau de fonctionnement de la boîte Fig.1 où sont figurés les embrayages ou freins actionnés pour fournir les différents rapports, La Fig.3 est un schéma analogue celui de la Fig.1 limité à six vitesses avant, une vitesse arrière et point mort freiné, La Fig.4 est le tableau de fonctionnement de la boîte Fig.3 La Fig.5 est un schéma d'une variante à sortie coaxiale de boîte de vitesses à huit vitesses avant, deux vitesses arrière et un point mort freiné. In the accompanying drawings, given by way of example only, FIG. 1 is a conventional diagram of the gearbox of the invention with eight forward speeds, two reverse gears and a braked dead point with movement output by an in-gearing. 2 is an operating table of the box Fig.1 where are shown the clutches or brakes actuated to provide the different ratios, Fig.3 is a diagram similar to that of Fig.1 limited to six speeds before , a rear speed and braked dead point, Fig.4 is the operating table of the box Fig.3 Fig.5 is a diagram of a variant with coaxial output of gearbox with eight speeds forward, two speeds back and a braked dead point.

Suivant l'exemple d'exécution de la Fig.1 un moteur thermique (M) transversal qui peut être combiné, comme connu avec un convertisseur hydraulique non représenté, entraîne un arbre (A) d'entrée dans un train planétaire (Ti) réducteur de la vitesse de l'arbre (A). Le train (Ti) comporte un pignon (P) fixé au carter (F) représenté par des hachures. Des satellites (S) portés par le porte satellites (G), sont engrenés l'un sur l'autre et placés entre le pignon (P) et la couronne (D). Le porte satellites (G) est relié au train composé (T2) par deux embrayages (E3, E4). La couronne (D) est reliée au train composé (T2) par deux embrayages (El, E2) L'embrayage (E3) ayant pour fonction de relier la couronne (5) du train composé (T2) au 35 porte satellites (G) du train (Ti), l'embrayage (E4) ayant pour fonction de relier le pignon (1) du train (T2) au même porte satellites (G) du train (Ti) L'embrayage (El) ayant pour fonction de relier la couronne (3) du train composé (T2) à la couronne (D) du train (T1), l'embrayage (E2) ayant pour fonction de relier le pignon (1) du train (T2) à la même couronne (D) du train (Ti). 40 Le train (T2) dont on a vu les liaisons avec le train (Ti) par les embrayages (El, E2, E3, E4) est conçu de la manière suivante : Il comporte un pignon unique (1) solidaire de l'arbre (C), deux jeux de satellites (2) et (4) engrenés entre eux, portés par le porte satellites (K), les satellites (2) engrenant sur le pi-gnon (1) et la couronne (3), les satellites (4) engrenant sur la couronne (5). Cette se- 45 tonde couronne (5) étant susceptible d'être immobilisée par le frein (F1) solidaire du car-ter (F) représenté par des hachures. Le porte satellites (K) est solidaire d'un engrenage (7) menant à la réduction finale (8) portant le différentiel entraînant les roues d'une façon connue et non représentée sur le schéma. L'engrenage (7) étant porté par un palier à roulements (6) solidaire du carter (F). 50 Le pignon (1) est solidaire d'un arbre (C), coaxial au palier (6), qui porte les disques d'un frein (F2) destiné à immobiliser le dit pignon (1) et susceptible d'être connecté à une ma-chine électrique (EL) par des liaisons cinématiques non représentées. According to the embodiment of FIG. 1, a transverse heat engine (M) that can be combined, as known with a not shown hydraulic converter, drives an input shaft (A) in a planetary gear (Ti) reducing the speed of the tree (A). The train (Ti) comprises a pinion (P) fixed to the housing (F) represented by hatching. Satellites (S) carried by the satellite gate (G) are intermeshed and placed between the pinion (P) and the crown (D). The satellite carrier (G) is connected to the compound train (T2) by two clutches (E3, E4). The crown (D) is connected to the compound train (T2) by two clutches (E1, E2). The clutch (E3) serves to connect the crown (5) of the compound train (T2) to the planet carrier (G). of the train (Ti), the clutch (E4) having the function of connecting the pinion (1) of the train (T2) to the same satellite carrier (G) of the train (Ti) The clutch (El) having the function of connecting the crown (3) of the compound train (T2) to the crown (D) of the train (T1), the clutch (E2) having the function of connecting the pinion (1) of the train (T2) to the same ring gear (D ) of the train (Ti). 40 The train (T2) whose connections with the train (Ti) have been seen by the clutches (El, E2, E3, E4) is designed in the following way: It comprises a single pinion (1) integral with the shaft (C), two sets of satellites (2) and (4) interconnected, carried by the satellite carrier (K), the satellites (2) meshing on the pi-gnon (1) and the crown (3), the satellites (4) meshing with the crown (5). This second crown (5) being capable of being immobilized by the brake (F1) integral with the carter (F) represented by hatching. The satellite carrier (K) is integral with a gear (7) leading to the final reduction (8) carrying the differential driving the wheels in a known manner and not shown in the diagram. The gear (7) being carried by a rolling bearing (6) integral with the housing (F). 50 The pinion (1) is integral with a shaft (C), coaxial with the bearing (6), which carries the discs of a brake (F2) intended to immobilize said pinion (1) and can be connected to an electric machine (EL) by unrepresented kinematic connections.

FONCTIONNEMENT Les différents rapports de vitesses sont obtenus par l'engagement de 2 éléments de commutation selon le tableau de la Fig.2. Le passage d'un rapport à celui immédiatement adjacent s'obtient en ne changeant qu'un seul organe de friction sur les deux qui définis- scient l'état antérieur. Sur le tableau de la Fig.2, les rapports sont les rapports de vitesses entre l'arbre de sortie porteur du pignon (8) et l'arbre d'entrée (A). L'ouverture est le ratio entre le rapport le plus élevé et le plus bas. Les steps, c'est-à-dire les pas, étages, ou échelons sont les ratios entre chaque rapport et le rapport adjacent qui le précède. Les rapports et les steps sont donnés à titre indicatif. Par action sur la démultiplication donnée par le train (T1), c'est-à-dire sur la vitesse de la couronne (D) et sur les raisons du train planétaire (T2), il est possible de faire varier l'ouverture et l'échelonnement des rapports. OPERATION The different gear ratios are obtained by the engagement of 2 switching elements according to the table of Fig.2. The transition from a report to the immediately adjacent one is obtained by changing only one friction element on the two which define the previous state. In the table of FIG. 2, the ratios are the gear ratios between the pinion carrier output shaft (8) and the input shaft (A). The opening is the ratio between the highest and the lowest ratio. The steps, that is, the steps, steps, or steps, are the ratios between each report and the adjacent report that precedes it. The reports and the steps are given as an indication. By action on the gear reduction given by the train (T1), that is to say on the speed of the crown (D) and on the reasons of the planetary gear (T2), it is possible to vary the opening and staggering of reports.

Avec une machine électrique (EL) reliée au pignon (1) et pouvant fonctionner en moteur ou en générateur il est possible : quand le moteur thermique est arrêté,de mouvoir le véhicule, en avant ou en arrière, en freinant le seul frein (F1), la vitesse en avant pouvant atteindre 50 km/h pour une utilisation urbaine en site encombré et à vitesse réglementaire limitée d'ajouter de la puissance d'origine électrique à celle du moteur thermique sur les rapports 3 et 4 d'absorber de la puissance mécanique sur les rapports 3, 4, 5, 6, 7 pour charger un accumulateur électrique Suivant l'exemple d'exécution de la Fig.3, les trains (T1) et (T2) sont semblables à ceux de la Fig.1, mais l'embrayage (E4) est supprimé, de sorte que le porte satellites (G) du train (T1) ne peut plus être relié à l'arbre (C) en restant toutefois relié à la couronne (5) du train (T2) par l'embrayage (E3). Il en résulte une transmission à six vitesses avant, une vitesse arrière et un point mort freiné comme indiqué par le tableau Fig.4. L'ouverture est plus faible, tout en conservant la possibilité d'accoupler une machine électrique (EL). With an electric machine (EL) connected to the pinion (1) and able to operate as a motor or generator it is possible: when the engine is stopped, to move the vehicle, forwards or backwards, by braking the only brake (F1 ), the forward speed of up to 50 km / h for congested urban use at a limited regulatory speed to add electrical power to that of the thermal engine in ratios 3 and 4 to absorb mechanical power on the ratios 3, 4, 5, 6, 7 for charging an electric accumulator According to the embodiment of FIG. 3, the trains (T1) and (T2) are similar to those of FIG. , but the clutch (E4) is removed, so that the satellite carrier (G) of the train (T1) can no longer be connected to the shaft (C) while remaining connected to the crown (5) of the train ( T2) by the clutch (E3). This results in a six-speed forward transmission, a rear speed and a braked dead point as shown in Table Fig.4. The opening is lower, while maintaining the possibility of coupling an electric machine (EL).

Suivant l'exemple d'exécution de la Fig.5, le train double (T2) est modifié de la manière suivante : au lieu d'un seul pignon (1), le train (T2) a deux pignons identiques (1) engre- nant avec le même jeu de satellites (2), lesquels engrènent d'une part avec la couronne (3) elle-même reliée à l'embrayage (El), d'autre part avec le deuxième jeu de satellites (4) qui engrènent avec la couronne (5) comme aux Fig.1 et 3. En différence avec les Fig.1 et 3, les satellites (2,4) sont portés par un porte satellites (K1) qui se prolonge par un flasque central s'interposant entre les pignons (1) et relié à un ar-40 bre (J) de sortie coaxial à l'arbre (A) et dans le prolongement de celui-ci. L'un des pignons (1) est connecté aux embrayages (E2, E4) comme aux Fig. 1 et 3. L'autre pignon (1), susceptible d'être immobilisé par le frein (F2), est connecté à la ma-chine électrique (EL) par un arbre creux (N) coaxial à l'arbre (J) et entraînant une roue dentée (77) engrenant avec un engrenage (88), lui-même porté par un arbre (99) 45 connecté à la machine électrique (EL). L'arbre (99) est parallèle aux arbres (N) et (J). Cette variante convient à des véhicules à moteur en position longitudinale, elle ne change pas les fonctions de la machine (EL). Une autre variante, non représentée, consiste à supprimer l'embrayage (E4) comme à la Fig. 3, et à obtenir six vitesses avant, une vitesse arrière, un point mort freiné avec une 50 sortie (J) dans le prolongement de l'arbre (A). Le schéma de boîte de vitesses de la Fig.5 permet de réaliser, en huit ou six vitesses une sortie vers les roues par l'arbre (J) dans le prolongement des arbres (C) et (A) en ne modifiant qu'une minorité des composants du train (T2), à savoir le remplacement du pignon (1) par deux pignons (1) et du porte satellites (K) par le porte satellites (K1) et des 55 variantes de liaisons de ceux-ci avec d'autres composants, le frein (F2) et la machine électrique (EL). According to the embodiment of FIG. 5, the double train (T2) is modified in the following way: instead of a single gear (1), the train (T2) has two identical gears (1) engre - nant with the same set of satellites (2), which meshes on the one hand with the crown (3) itself connected to the clutch (El), on the other hand with the second set of satellites (4) which meshes with the crown (5) as in Fig.1 and 3. In difference with Fig.1 and 3, the satellites (2,4) are carried by a satellite carrier (K1) which is extended by a central flange s' interposing between the pinions (1) and connected to an ar-40 ber (J) output coaxial with the shaft (A) and in the extension thereof. One of the pinions (1) is connected to the clutches (E2, E4) as in FIGS. 1 and 3. The other pinion (1), which can be immobilized by the brake (F2), is connected to the electric machine (EL) by a hollow shaft (N) coaxial with the shaft (J) and driving a gear (77) meshing with a gear (88), itself carried by a shaft (99) 45 connected to the electric machine (EL). The shaft (99) is parallel to the shafts (N) and (J). This variant is suitable for motor vehicles in longitudinal position, it does not change the functions of the machine (EL). Another variant, not shown, is to remove the clutch (E4) as in FIG. 3, and to obtain six forward speeds, a rear speed, a braked dead point with a 50 output (J) in the extension of the shaft (A). The gearbox diagram of FIG. 5 makes it possible to produce, in eight or six speeds, an output to the wheels by the shaft (J) in the extension of the shafts (C) and (A) by modifying only one minority of the components of the train (T2), namely the replacement of the pinion (1) by two pinions (1) and the satellite carrier (K) by the satellite carrier (K1) and 55 variants of links thereof with d other components, the brake (F2) and the electric machine (EL).

AVANTAGES ADVANTAGES

La transmission de l'invention à huit vitesses avant, deux vitesses arrière et un point mort freiné, comportant un train planétaire de réduction (Ti) et un groupe planétaire (T2) du type Ravigneaux permet, grâce à ses deux couronnes (3 et 5), son pignon unique (1) et son porte satellites (K) portant deux jeux de satellites (2) et (4) coopérant avec les deux couronnes (3) et (5) de réduire l'encombrement du groupe (T2). Cette combinaison conduit simultanément à un arrangement des liaisons et à une organisation des six organes de commutation (quatre embrayages et deux freins) capables de donner l'encombrement de longueur minimale pour s'adapter favorablement aux véhicules auto-mobiles à traction avant et à moteur en position transversale. The transmission of the invention at eight forward speeds, two reverse speeds and a braked dead point, comprising a planetary gear reduction (Ti) and a planetary group (T2) Ravigneaux type allows, thanks to its two crowns (3 and 5 ), its single gear (1) and its satellite carrier (K) carrying two sets of satellites (2) and (4) cooperating with the two rings (3) and (5) reduce the bulk of the group (T2). This combination leads simultaneously to an arrangement of the links and to an organization of the six switching members (four clutches and two brakes) capable of giving the minimum space requirement to adapt favorably to the front-wheel drive and motor-driven vehicles. in transverse position.

L'invention permet aussi le raccordement sur le pignon (1) d'une source d'énergie indépendante du type électrique (EL) pour se substituer au moteur thermique (M) sur une étendue réduite de vitesse du véhicule ou pour coopérer à la traction ou pour le ralentir en fournissant de l'énergie électrique. The invention also allows the connection on the pinion (1) of a power source independent of the electric type (EL) to replace the heat engine (M) over a reduced range of vehicle speed or to cooperate with the traction or to slow it down by supplying electrical energy.

Avec seulement six vitesses, la transmission de la Fig. 4 présente les mêmes avantages de liaison à une machine électrique et par absence de l'embrayage (E4) conduit à une simplification susceptible d'une certaine réduction de longueur. With only six speeds, the transmission of FIG. 4 shows the same advantages of connection to an electric machine and the absence of the clutch (E4) leads to a simplification that may lead to a certain reduction in length.

Que ce soit en huit ou six vitesses la transmission de la Fig. 5 permet de réaliser une sortie coaxiale à l'entrée en ne modifiant qu'une minorité des composants. 4 Whether in eight or six speeds, the transmission of FIG. 5 makes it possible to produce a coaxial output at the input by modifying only a minority of the components. 4

Claims (10)

REVENDICATIONS1). Boîte de vitesses à deux trains planétaires (Tl, T2) dont les rapports sont obtenus par l'engagement sélectif d'organes de friction tels qu'embrayages et freins, la dite boîte étant connectée à un moteur thermique (M) sur son arbre d'entrée (A) et à une machine électrique (EL) sur un autre arbre (C) pour donner au moins six vitesses avant, au moins une vitesse arrière et un point mort freiné. ETANT CARACTERISEE EN CE QUE Le premier train (Ti) dit réducteur possède un élément de réaction fixe (P), des satellites (S) et un porte satellites (G) ainsi qu'une couronne (D) à vitesse réduite par rapport à l'arbre (A), ladite couronne (D) étant reliée au deuxième train double composé (T2) de type Ravigneaux par deux embrayages (El, E2), le premier train (Ti) étant également relié au deuxième train (T2) par au moins un embrayage (E3, E4) qui lui transmet la vitesse de l'arbre d'entrée (A) REVENDICATIONS1). Gearbox with two planetary gear trains (T1, T2) whose ratios are obtained by the selective engagement of friction members such as clutches and brakes, said gearbox being connected to a heat engine (M) on its drive shaft. input (A) and to an electric machine (EL) on another shaft (C) to give at least six forward gears, at least one rear speed and one braked dead point. BEING CHARACTERIZED IN THAT: The first gear (Ti) said gear has a fixed reaction element (P), satellites (S) and a satellite carrier (G) and a crown (D) at a reduced speed compared to the shaft (A), said ring gear (D) being connected to the second Ravigneaux type double compound train (T2) by two clutches (E1, E2), the first gear (Ti) being also connected to the second gear (T2) by means of minus one clutch (E3, E4) which transmits the speed of the input shaft (A) 2). Boîte de vitesses à huit vitesses avant et deux vitesses arrière suivant la revendication 1 CARACTERISEE EN CE QUE L'élément moteur (G) du train (Ti) est relié au train (T2) par deux embrayages (E3, E4) 2). Transmission with eight forward speeds and two reverse speeds according to Claim 1, CHARACTERIZED IN THAT the driving element (G) of the train (Ti) is connected to the train (T2) by two clutches (E3, E4) 3) Boîte de vitesses suivant les revendications 1 CARACTERISEE EN CE QUE Le train (T2) comporte un seul pignon (1) engrenant avec deux jeux de satellites (2, 3) Gearbox according to claims 1 CHARACTERIZED IN THAT the train (T2) comprises a single pinion (1) meshing with two sets of satellites (2, 4) portés par un porte satellites unique (K), les satellites étant engrenés entre eux et avec les couronnes (3, 4) carried by a single satellite carrier (K), the satellites being intermeshed with each other and with the crowns (3, 5) de telle sorte que la raison entre le pignon (1) et la couronne (3) soit négative et que la raison entre le pignon (1) et la couronne (5) soit positive, la cou- ronne (5) étant susceptible d'être immobilisée par un frein (F1), et le pignon (1) étant susceptible d'être immobilisé par un frein (F2) 4) Boîte à huit vitesses suivant les revendications 1, 2 et 3 CARACTERISEE EN CE QUE La couronne (D) à vitesse réduite du train (Ti) est reliée d'une part à la couronne (3) du train (T2) par l'embrayage (El), d'autre part au pignon (1) et à l'arbre (C) du train (T2) et à la liaison vers une machine électrique (EL) par l'embrayage (E2), et le porte satellites (G) du train (T1) est relié à la couronne (5) du train (T2) par l'embrayage (E3) et à l'arbre (C) par l'embrayage (E4). 5) Boîte à six vitesses suivant les revendications 1 et 3 CARACTERISEE EN CE QUE Le porte satellites (G) du train (Ti) est relié au train (T2) par un seul embrayage (E3) susceptible d'être connecté à un élément (H) lié à la couronne (5) du train (T2) 5) so that the reason between the pinion (1) and the ring gear (3) is negative and the reason between the pinion (1) and the ring gear (5) is positive, the crown (5) being susceptible to be immobilized by a brake (F1), and the pinion (1) being capable of being immobilized by a brake (F2) 4) Eight-speed gearbox according to claims 1, 2 and 3 CHARACTERIZED IN THAT THE crown ( D) at low speed of the train (Ti) is connected on the one hand to the crown (3) of the train (T2) by the clutch (El), on the other hand to the pinion (1) and to the shaft ( C) of the train (T2) and the connection to an electric machine (EL) by the clutch (E2), and the satellite carrier (G) of the train (T1) is connected to the crown (5) of the train (T2 ) by the clutch (E3) and the shaft (C) by the clutch (E4). 5) six-speed gearbox according to claims 1 and 3 CHARACTERIZED IN THAT the satellite carrier (G) of the train (Ti) is connected to the train (T2) by a single clutch (E3) may be connected to an element ( H) linked to the crown (5) of the train (T2) 6) Boîte à six vitesses suivant les revendications 1, 3 et 5 CARACTERISEE EN CE QUE L'embrayage (E2) solidaire de la couronne (D) du train (Ti) à vitesse réduite est susceptible d'être connecté au pignon (1) et à l'arbre (C) du train (T2) ainsi qu'à une machine électrique (EL) 6) six-speed gearbox according to claims 1, 3 and 5 CHARACTERIZED IN THAT the clutch (E2) integral with the crown (D) of the train (Ti) at reduced speed can be connected to the pinion (1) and to the shaft (C) of the train (T2) as well as to an electric machine (EL) 7) Boîte de vitesses suivant la revendication 1 CARACTERISEE EN CE QUE Le pignon (1) du train (T2) solidaire de l'arbre (C) est relié à une machine électrique (EL) susceptible de fonctionner séparément du moteur thermique (M) ou simultané-ment avec le moteur (M) 7) Gearbox according to claim 1 CHARACTERIZED IN THAT the pinion (1) of the train (T2) integral with the shaft (C) is connected to an electric machine (EL) capable of operating separately from the engine (M) or simultaneously with the engine (M) 8) Boîte de vitesses suivant la revendication 1 CARACTERISEE EN CE QUE Le porte satellites (K) des satellites (2, 4) du train (T2) est solidaire d'un engrenage 20 latéral (7) engrenant avec une sortie (8) vers un différentiel et les roues avant d'un véhicule 8) Gearbox according to claim 1 CHARACTERIZED IN THAT the satellite carrier (K) satellites (2, 4) of the train (T2) is integral with a side gear (7) meshing with an output (8) to a differential and the front wheels of a vehicle 9) Boîte de vitesses suivant la revendication 1 et 3 25 CARACTERISEE EN CE QUE La couronne (5) du train (T2) solidaire de l'élément (H) relié au train (Ti) par l'embrayage (E3) est susceptible d'être immobilisée par le frein (FI), tandis que le pignon (1) du train (T2) solidaire de l'arbre (C) est susceptible d'être immobilisé par le frein (F2) 30 9) Gearbox according to claim 1 and 3 CHARACTERIZED IN THAT the ring (5) of the train (T2) integral with the element (H) connected to the train (Ti) by the clutch (E3) is likely to be immobilized by the brake (FI), while the pinion (1) of the train (T2) integral with the shaft (C) can be immobilized by the brake (F2) 30 10) Boîte de vitesses suivant les revendications 1, 2 et 4 CARACTERISEE EN CE QUE Le train double (T2) à deux couronnes (3) et (5) et deux jeux de satellites (2) et (4) comporte deux pignons (1), l'un connecté aux embrayages (E3,E4), l'autre étant suscep- 35 tible d'être immobilisé par le frein (F2) et étant relié à la machine électrique (EL) à travers une paire d'engrenages (77) et (88) et un arbre (N) commun audit autre pignon (1) et à l'engrenage (77), les deux pignons (1) laissant place entre eux à un porte satellites (K1) portant les satellites (2) et (4), et solidaire d'une sortie (J) dans le prolongement axial des arbres (A) et (C), l'arbre (N) étant coaxial à l'arbre (J). 40 15 10) Gearbox according to claims 1, 2 and 4 CHARACTERIZED IN THAT the double train (T2) with two crowns (3) and (5) and two sets of satellites (2) and (4) has two gears (1). ), one being connected to the clutches (E3, E4), the other being able to be immobilized by the brake (F2) and being connected to the electric machine (EL) through a pair of gears ( 77) and (88) and a shaft (N) common to said other pinion (1) and to the gear (77), the two pinions (1) leaving between them a satellite carrier (K1) carrying the satellites (2). ) and (4), and integral with an outlet (J) in the axial extension of the shafts (A) and (C), the shaft (N) being coaxial with the shaft (J). 40 15
FR0905484A 2009-11-16 2009-11-16 GEARBOX WITH PLANETARY TRANSMISSIONS Expired - Fee Related FR2952590B1 (en)

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WO2013034538A1 (en) * 2011-09-08 2013-03-14 Avl List Gmbh Planetary gearing and drive train therewith
WO2013189876A1 (en) * 2012-06-22 2013-12-27 Deere & Company Gearbox-clutch unit
WO2015024629A1 (en) * 2013-08-21 2015-02-26 Audi Ag Hybrid drive device for a motor vehicle
DE102014223339A1 (en) * 2014-11-14 2016-05-19 Avl List Gmbh Torque transmission device and method for its operation
DE102014223340A1 (en) * 2014-11-14 2016-05-19 Avl List Gmbh Torque transmission device and method for its operation
DE102015226278A1 (en) * 2015-12-21 2017-06-22 Zf Friedrichshafen Ag Power-shiftable multi-speed transmission in Planetenradbauweise, in particular for an internal combustion engine and / or electric motor drive of a motor vehicle
CN109249797A (en) * 2017-07-12 2019-01-22 通用汽车环球科技运作有限责任公司 wide-node drive system

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US20060102409A1 (en) * 2004-11-12 2006-05-18 Toyota Jidosha Kabushiki Kaisha Vehicular drive system
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013034538A1 (en) * 2011-09-08 2013-03-14 Avl List Gmbh Planetary gearing and drive train therewith
WO2013189876A1 (en) * 2012-06-22 2013-12-27 Deere & Company Gearbox-clutch unit
WO2015024629A1 (en) * 2013-08-21 2015-02-26 Audi Ag Hybrid drive device for a motor vehicle
CN105492231A (en) * 2013-08-21 2016-04-13 奥迪股份公司 Hybrid drive for a motor vehicle
US9631709B2 (en) 2013-08-21 2017-04-25 Audi Ag Hybrid drive device for a motor vehicle
DE102014223339A1 (en) * 2014-11-14 2016-05-19 Avl List Gmbh Torque transmission device and method for its operation
DE102014223340A1 (en) * 2014-11-14 2016-05-19 Avl List Gmbh Torque transmission device and method for its operation
DE102015226278A1 (en) * 2015-12-21 2017-06-22 Zf Friedrichshafen Ag Power-shiftable multi-speed transmission in Planetenradbauweise, in particular for an internal combustion engine and / or electric motor drive of a motor vehicle
CN109249797A (en) * 2017-07-12 2019-01-22 通用汽车环球科技运作有限责任公司 wide-node drive system
CN109249797B (en) * 2017-07-12 2021-03-12 通用汽车环球科技运作有限责任公司 Wide node drive system

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