WO2018019324A1 - Essieu électrique d'arbre unique pouvant être commuté à différentiel à roues dentées cylindriques intégré - Google Patents

Essieu électrique d'arbre unique pouvant être commuté à différentiel à roues dentées cylindriques intégré Download PDF

Info

Publication number
WO2018019324A1
WO2018019324A1 PCT/DE2017/100568 DE2017100568W WO2018019324A1 WO 2018019324 A1 WO2018019324 A1 WO 2018019324A1 DE 2017100568 W DE2017100568 W DE 2017100568W WO 2018019324 A1 WO2018019324 A1 WO 2018019324A1
Authority
WO
WIPO (PCT)
Prior art keywords
planetary gear
drive train
gear
torque
differential
Prior art date
Application number
PCT/DE2017/100568
Other languages
German (de)
English (en)
Inventor
Elmar Lorenz
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112017003804.9T priority Critical patent/DE112017003804A5/de
Publication of WO2018019324A1 publication Critical patent/WO2018019324A1/fr

Links

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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • 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
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
    • F16H2048/106—Differential gearings with gears having orbital motion with orbital spur gears characterised by two sun 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • F16H37/082—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft and additional planetary reduction 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
    • F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears

Definitions

  • the invention relates to a drive train, such as a hybrid powertrain, a motor vehicle, such as a car, a truck or other commercial vehicle, for passing elektromaschinenoriginippo torque and optionally Verbrennungsennungskraftoriginippo torque to drive wheels, with a rotor connection part, preferably directly coupled to the electric machine / coupled and, for example, a crankshaft connecting part that is (directly) coupled / coupled to the internal combustion engine with a planetary gear that is torque-connected to the rotor connecting part and so is in torque-transmitting communication with a differential gear that can be connected to the drive wheels / connected output shafts / axes are driven / driven.
  • a drive train such as a hybrid powertrain
  • a motor vehicle such as a car, a truck or other commercial vehicle
  • a rotor connection part preferably directly coupled to the electric machine / coupled and, for example, a crankshaft connecting part that is (directly) coupled / coupled to the internal
  • Such a rigid axle arrangement in particular for a drivable rear axle of a motor vehicle, with an electric motor, a transmission unit, two in the vehicle transverse direction between a designated first and second wheel extending drive shafts, which are interconnected via a differential and in Region of their respective free end rotatably connected to the designated wheel are connected, and extending in the vehicle transverse direction between the two wheels axle body which is articulated via several links with a dedicated structure or subframe and rotatably receives in its interior, the two drive shafts.
  • the axle body extends in the vehicle transverse direction from the region of the free end of the one drive shaft in one piece to the region of the free end of the other drive shaft. Furthermore, it absorbs in its interior the electric motor, the drift and the differential.
  • Such drive trains as disclosed, for example, in DE 10 2014 205 135 A1, are used in electric vehicles and / or hybrid vehicles, with or without a dual-clutch transmission.
  • electric vehicles and / or hybrid vehicles with or without a dual-clutch transmission.
  • usually a lot of space is needed.
  • the previous solutions are relatively expensive.
  • the planetary gear is designed as a single-stage or multi-stage, for example. Two-stage planetary gear. Switchability for operation in a particularly efficient area is improved. It is also advantageous if the ring gear or the planet carrier is held firmly on the planetary gear, about a brake band.
  • a separating clutch is arranged between the rotor connection part and the planetary gear, for example in the manner of a dry or wet friction clutch, for example.
  • An advantageous embodiment is also characterized in that the planetary gear is switchable. If the planetary gear between the planet carrier and the sun with a stationary ring gear has a ratio of 4.0 to 4.3, preferably 4, 15, so a particularly optimal gear ratio is achieved.
  • a planetary gear of the planetary gear has a section which provides a planetary gear / differential gear of Stirnraddifferenzials, so for example.
  • the two components are integrally / integrally / einmaterialig interconnected.
  • the planetary housing is housed / encapsulated by a one-piece and / or sheet metal formed housing.
  • the housing should einhausen as an overall housing the electric machine, the planetary gear and the spur gear, to dispense with further housing here. This considerably reduces the production costs.
  • An advantageous embodiment is also characterized in that to enable the use of a one-piece shaft, the pitch circle diameter of the tarpaulin tenzier of the planetary gear preferably located exactly on the pitch circle of a shorter planetary gear of the two planetary gear sets of Stirnraddifferenzials.
  • the electric shaft includes a planetary gear having such a gear ratio that enables high-speed use of the electric machine integrated with the electric shaft.
  • the planetary gear may have a variety of planetary stages.
  • the electrical axis includes an integrated spur gear differential. Via a brake band and / or a friction clutch, the switchability of the planetary gear can be achieved to connect the electric machine with an output side. Especially in the field of hybrid applications and in the field of electromobility, this invention offers.
  • the core idea is the construction of a single-shaft gearbox and the connection of a single-stage planetary gear set.
  • an extension by further stages is possible.
  • the decoupling of the electric machine depending on the driving condition is possible.
  • By translations of the planetary gear set high speeds of the electric machine are possible.
  • further stages as a planetary gear set or planetary gear sets are possible.
  • the design of a "built-in" spur gear differential is also demonstrated, allowing for easy pre-assembly into sub-assembly units, ultimately offering a cost-effective unit with a downstream integrated differential that is also ideal for powering the smallest passenger cars
  • the differential in an asymmetrical design is typical of rotor rotors, typically two sun gears / sunblinds with different profile displacements 4, 15.
  • the pitch circle diameter of the planets lies exactly on the pitch circle of the short planet of the asymmetric differential, so here a one-piece shaft can be used
  • the housing of the entire planetary gear can theoretically in one piece or in sheet metal as Subcomponent module are executed.
  • a brake band To operate the shiftable planetary gear set here is a brake band.
  • a friction clutch can be used wet or dry. This results in a compact, small, lightweight, one-shaft gearbox for space-saving applications.
  • Fig. 1 is a schematic representation of a drive train according to the invention.
  • FIG. 2 shows a partially designed embodiment based on the schematic of FIG. 1.
  • an inventive drive train 1 is shown.
  • An electric machine 2 is connected to it.
  • the electric machine 2 can be operated as an electric motor or as a generator.
  • As a result of its torque, it is connected / connectable to a rotor connection part 3.
  • the rotor connection part 3 transmits torque in the engaged state to a planetary gear 4 on.
  • This planetary gear 4 includes a planetary gear, which is switched on forward.
  • torque can be transmitted to a spur gear differential 5 as required or permanently coupled by the planetary gear 4.
  • the spur gear differential 5 has two halves 6 and 7. In this case, a first sun gear 8 torque to a first output shaft 9 on to drive a first drive wheel 10.
  • a second sun gear 1 1 gives torque to a second output shaft 12 to drive a second drive wheel 13.
  • FIG. 2 shows a comparable drive train 1 with the electric machine 2, the electric machine 2 having a stator 14 and a rotor 15.
  • One Rotor carrier 16 connected to the rotor 15 transmits torque to the rotor connection part 3.
  • the rotor arm 16 transmits torque to the planetary gear 4.
  • a brake band 17 holds the ring gear 18 of the planetary gear 4 fixed.
  • the spur gear differential 5 is arranged, wherein the planetary gear 4 and the spur gear differential 5 have a common planet / a common planetary gear.
  • the planetary gear 4 and the Stirnraddifferenzial 5 a common shaft 19.
  • the planet carrier of the planetary gear 4 in FIG. 2 is provided with the reference numeral 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

L'invention concerne une chaîne cinématique (1) d'un véhicule automobile pour la transmission d'au moins un couple provenant d'un moteur électrique sur des roues motrices (10, 13). La chaîne cinématique comprend une partie de liaison de rotor (3), qui peut être accouplée au moteur électrique (2), une boîte de vitesses à trains épicycloïdaux (4), qui est reliée à la partie de liaison de rotor (3) de manière à transmettre un couple et à un engrenage différentiel de manière à transmettre un couple, de telle sorte que deux arbres de sortie (9, 12) pouvant être reliés aux roues motrices (10, 13) peuvent être entraînés, l'engrenage différentiel étant réalisé sous la forme d'un engrenage différentiel à roues dentées cylindriques (5).
PCT/DE2017/100568 2016-07-29 2017-07-07 Essieu électrique d'arbre unique pouvant être commuté à différentiel à roues dentées cylindriques intégré WO2018019324A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112017003804.9T DE112017003804A5 (de) 2016-07-29 2017-07-07 Schaltbare Ein-Wellen-E-Achse mit integriertem Stirnraddifferenzial

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016213968.1 2016-07-29
DE102016213968 2016-07-29

Publications (1)

Publication Number Publication Date
WO2018019324A1 true WO2018019324A1 (fr) 2018-02-01

Family

ID=59581688

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100568 WO2018019324A1 (fr) 2016-07-29 2017-07-07 Essieu électrique d'arbre unique pouvant être commuté à différentiel à roues dentées cylindriques intégré

Country Status (2)

Country Link
DE (1) DE112017003804A5 (fr)
WO (1) WO2018019324A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11852224B2 (en) * 2022-02-22 2023-12-26 Zf Friedrichshafen Ag Gear unit for an electric drive system of a motor vehicle and electric drive system with such a gear unit
DE102023000286A1 (de) 2023-02-01 2024-08-01 Mercedes-Benz Group AG Elektrisches Antriebssystem für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040475A1 (de) 2007-08-28 2009-03-05 Schaeffler Kg Stirnraddifferential
DE102011079975A1 (de) * 2011-07-28 2013-01-31 Schaeffler Technologies AG & Co. KG Antriebseinrichtung für ein Kraftfahrzeug
DE102012213398A1 (de) 2012-07-31 2014-02-06 Schaeffler Technologies AG & Co. KG Stirnraddifferential
DE102012222227A1 (de) 2012-12-04 2014-06-05 Schaeffler Technologies Gmbh & Co. Kg Stirnraddifferentialgetriebe
EP2743112A1 (fr) * 2012-12-17 2014-06-18 Volkswagen Aktiengesellschaft Transmission avec differentiel et unité de transmission avec moteur
US20150226297A1 (en) * 2014-02-12 2015-08-13 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Electric portal axle for electrically driving a motor vehicle
DE102014205135A1 (de) 2014-03-19 2015-09-24 Zf Friedrichshafen Ag Starrachsenanordnung mit in Fahrzeugquerrichtung sich erstreckendem Achskörper
DE102014109379A1 (de) * 2014-07-04 2016-01-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Antriebssystem für ein Fahrzeug und Fahrzeug

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040475A1 (de) 2007-08-28 2009-03-05 Schaeffler Kg Stirnraddifferential
DE102011079975A1 (de) * 2011-07-28 2013-01-31 Schaeffler Technologies AG & Co. KG Antriebseinrichtung für ein Kraftfahrzeug
DE102012213398A1 (de) 2012-07-31 2014-02-06 Schaeffler Technologies AG & Co. KG Stirnraddifferential
DE102012222227A1 (de) 2012-12-04 2014-06-05 Schaeffler Technologies Gmbh & Co. Kg Stirnraddifferentialgetriebe
EP2743112A1 (fr) * 2012-12-17 2014-06-18 Volkswagen Aktiengesellschaft Transmission avec differentiel et unité de transmission avec moteur
US20150226297A1 (en) * 2014-02-12 2015-08-13 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Electric portal axle for electrically driving a motor vehicle
DE102014205135A1 (de) 2014-03-19 2015-09-24 Zf Friedrichshafen Ag Starrachsenanordnung mit in Fahrzeugquerrichtung sich erstreckendem Achskörper
DE102014109379A1 (de) * 2014-07-04 2016-01-07 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Antriebssystem für ein Fahrzeug und Fahrzeug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11852224B2 (en) * 2022-02-22 2023-12-26 Zf Friedrichshafen Ag Gear unit for an electric drive system of a motor vehicle and electric drive system with such a gear unit
DE102023000286A1 (de) 2023-02-01 2024-08-01 Mercedes-Benz Group AG Elektrisches Antriebssystem für ein Kraftfahrzeug, insbesondere für einen Kraftwagen, sowie Kraftfahrzeug
WO2024160530A1 (fr) 2023-02-01 2024-08-08 Mercedes-Benz Group AG Système de propulsion électrique pour un véhicule à moteur, en particulier pour un véhicule automobile, et véhicule à moteur

Also Published As

Publication number Publication date
DE112017003804A5 (de) 2019-04-25

Similar Documents

Publication Publication Date Title
EP3516250B1 (fr) Système d'embrayage multiple et module hybride pour véhicule automobile
DE102012100865B4 (de) Antriebsanordnung mit elektrischer Maschine und Kraftfahrzeug mit einer solchen Antriebsanordnung
EP2226211B1 (fr) Dispositif de propulsion pour un véhicule électrique
WO2016150411A1 (fr) Entraînement d'essieu électrique pour un véhicule automobile
DE102013105026A1 (de) Antriebsstrang für ein Hybridkraftfahrzeug
WO2009135456A1 (fr) Agencement de transmission peu encombrant
DE102011100816A1 (de) Antriebsanordnung
WO2012139831A1 (fr) Dispositif de transmission par ex. pour un axe électrique et axe électrique comportant ce dispositif de transmission
EP3587157A1 (fr) Agencement d'espace de montage d'une chaîne cinématique d'un véhicule automobile, en particulier pourvue de deux moteurs électriques
WO2018001619A1 (fr) Boîte de vitesses de véhicule automobile, et chaîne cinématique de véhicule automobile
WO2012146416A1 (fr) Unité d'entraînement pour un véhicule hybride
WO2018019324A1 (fr) Essieu électrique d'arbre unique pouvant être commuté à différentiel à roues dentées cylindriques intégré
DE102019119954A1 (de) Antriebsvorrichtung für ein Kraftfahrzeug mit gemeinsamen starren Hohlrad und gemeinsamen starren Planetenradträger
WO2022156945A1 (fr) Chaîne cinématique de véhicule à moteur
WO2019192806A1 (fr) Unité de superposition de vecteurs de couple pour une transmission différentielle
DE102023201185B4 (de) Kompaktbauendes und effizientes Getriebe für einen Antriebsstrang eines Fahrzeugs
WO2021023338A1 (fr) Agencement de transmission compact doté d'un train planétaire étagé et d'un différentiel à engrenage droit
WO2014044277A1 (fr) Système de transmission
WO2020064044A1 (fr) Unité de transmission pour une transmission de véhicule à moteur dotée d'une roue droite agencée rotative sur un arbre intermédiaire
DE102021208545A1 (de) Getriebe für ein Fahrzeug sowie Antriebsstrang mit einem solchen Getriebe
DE102017210571A1 (de) Getriebe für ein Kraftfahrzeug
DE102009040817A1 (de) Antriebseinheit für ein Kraftfahrzeug
DE102015014976A1 (de) Hybridgetriebe
DE102021208546B3 (de) Antriebsstrang für ein Fahrzeug mit einer Torque-Vectoring-Überlagerungseinheit
DE102019129237A1 (de) Planetenträger für ein Planetengetriebe

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: 17751233

Country of ref document: EP

Kind code of ref document: A1

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112017003804

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17751233

Country of ref document: EP

Kind code of ref document: A1