EP2021655A1 - Unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée à deux arbres de sortie - Google Patents

Unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée à deux arbres de sortie

Info

Publication number
EP2021655A1
EP2021655A1 EP07729518A EP07729518A EP2021655A1 EP 2021655 A1 EP2021655 A1 EP 2021655A1 EP 07729518 A EP07729518 A EP 07729518A EP 07729518 A EP07729518 A EP 07729518A EP 2021655 A1 EP2021655 A1 EP 2021655A1
Authority
EP
European Patent Office
Prior art keywords
motor
transmission
unit according
gear
torque
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07729518A
Other languages
German (de)
English (en)
Inventor
Alois BÖCK
Detlef Baasch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to EP09165267A priority Critical patent/EP2105633A3/fr
Publication of EP2021655A1 publication Critical patent/EP2021655A1/fr
Withdrawn legal-status Critical Current

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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
    • 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
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
    • 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
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/295—Arrangements for suppressing or influencing the differential action, e.g. locking devices using multiple means for force boosting
    • 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
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable 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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
    • F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
    • 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
    • F16H2048/02—Transfer gears for influencing drive between outputs
    • F16H2048/04—Transfer gears for influencing drive between outputs having unequal torque transfer between two outputs
    • 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
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H2048/204—Control of arrangements for suppressing differential actions
    • 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
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
    • F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
    • F16H2048/343—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators using a rotary motor
    • 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
    • F16H48/38—Constructional details
    • F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
    • F16H2048/423—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement
    • 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
    • F16H48/38—Constructional details
    • F16H48/40—Constructional details characterised by features of the rotating cases

Definitions

  • Gear unit for guiding a drive torque from a drive shaft to two output shafts
  • the invention relates to a Getriebeeinheif for guiding a drive torque from a drive shaft to two output shafts according to the closer defined in the preamble of claim 1.
  • Such a gear unit is known for example from FR 2 864 190. It describes an asymmetrical transfer case which distributes a drive torque generated by a drive motor by means of a differential unit to two wheels connected to an output shaft. A differential of the differential unit divides the drive torque evenly on the two output shafts.
  • each of the two output shafts is associated with a so-called torque vectoring unit with a planetary gear set without a ring gear, which is arranged between an Oifferialkorb the differential unit and the respective output shaft and with which on the respective output shaft acting drive torque can be influenced.
  • the respective output shaft and the differential cage act as sun gears of the planetary gear set, which cooperate with two planetary gears arranged on the planet.
  • the web of the planetary gear set can be braked by means of a brake relative to a gearbox housing to produce a so-called torque-vectoring IVI, whereby the torque vectoring element supported on the gearbox housing by means of a gear stage realized with the planets and the sun gears of the planetary gear set respective wheel is guided.
  • a mechanism for braking the web with respect to the transmission housing is known.
  • means for axial adjustment is actuated by means of an electric motor, which interacts with a interacting with the web switching element
  • the drive shaft of the Elekfro engine acts together with an intermediate, which is in engagement with a pivot wheel of the device for axial adjustment by a rotation of the Pivoting wheel is about an axial movement of the ball ramp disc causes in depth-varying grooves of the pivot wheel and in corresponding grooves of a ball ramp disc balls which actuates the trained as a multi-disc brake switching element.
  • the electric motor has a flange, via which it is arranged on the transmission housing, wherein the flange is arranged on a transmission center side facing the electric motor and the electric motor is fixedly connected from a transmission outside with a flange of the transmission housing.
  • the latter adversely occupies an exposed position in an installed state of the transmission, whereby sensor technology and wiring of the electric motor can be exposed to high loads, in particular due to external conditions such as the exhaust heat of an exhaust.
  • the present invention has for its object to make a transmission unit for guiding a drive torque from a drive shaft to two output shafts of the type mentioned in such a way that a motor to influence the degree of distribution of the drive torque on the output shafts with its connections and wiring safely, easily and interchangeably connected to the gear unit and has a long service life it has by an optimized with respect to the load of the motor assembly,
  • a transmission unit for guiding a drive torque from a drive shaft to two output shafts via a differential unit and a switchable by means of at least one motor continuously variable device for influencing the degree of distribution of the drive torque to the output shafts, which is inventively provided that the engine with respect to a transmission center axis which is perpendicular to a longitudinal axis of the output shafts, is arranged such that a motor shaft output exhibiting engine end of the transmission center axis is remote.
  • the motor is arranged optimally in an installed state of the gear unit with respect to the lowest possible load, for example, its sensors and its wiring by particular external loads, such as the waste heat of an exhaust
  • a particularly simple fixing of the motor to the transmission housing can be achieved in that the motor shaft end having a motor end has a flange for mounting the motor to a transmission housing, wherein the motor is connected by means of a screw via the Flanschfikiee of the engine with the transmission housing. Furthermore, a simple assembly of the engine to the transmission housing is feasible if the engine can be connected to the transmission housing from the outside with respect to a transmission center axis. An arrangement of the engine which is optimized with regard to the air flow and thereby improved cooling of the engine in the gear unit is achieved if the at least one engine is arranged in the installed state in a vehicle-front-side region of the rear axle transmission unit.
  • the at least one motor in the installed state in a region which is located in the vehicle front direction behind a device for fixing the vehicle gear fixed to the vehicle is arranged
  • the differential unit has a connected to both output shafts differential and operatively connected to the drive shaft differential cage.
  • a particularly good moment distribution can be achieved by means of a device designed to influence the degree of distribution of the drive torque with two torque-vectoring units arranged at least approximately symmetrically with respect to the gear center axis.
  • the two torque vectoring units each have a transmission stage which is operatively connected to the differential cage and the associated output shaft, a particularly simple introduction of an influencing torque to the respective output shaft can be achieved.
  • a very precise adjustment of the influencing moment on the respective output shaft is achieved if the respective gear stage with a non-rehending, with respect to the transfer capability continuously adjustable, in particular frictional switching element of the respective torque Vectoring unit is connectable, wherein the transmission capability of the respective switching element via the at least one motor is adjustable,
  • a motor arranged on a torque vectoring unit which, by means of a connecting shaft, arranges the switching element which is arranged on the side of the gear unit opposite the motor with respect to the gear center axis, then a cost-effective actuation of the Realized switching elements.
  • the integration of a motor can be facilitated if a separate motor associated with a torque vectoring unit is provided for actuating the switching elements of the two torque vectoring units. Furthermore, so that a better adaptation of the entire translation chain from the engine to the required force on the switching element is possible and the engine of a torque vectoring unit can already be operated before the engine of the other torque vectoring unit with respect to the actuation of its switching element in a neutral position is located.
  • a particularly fast and low-force operation of the switching elements can be achieved in that the switching elements are designed as disc brakes, wherein the respective disc brake can be actuated by means of an operable by the at least one motor for axial adjustment.
  • the drive shaft of the motor interacts with a swivel wheel of the device for axial adjustment by means of an at least single-stage spur gear, wherein the swivel wheel interacts by means of rolling elements with a rotationally secured and axially displaceable ball ramp disc of the device for axial adjustment.
  • the at least one motor can basically be an electric or hydraulic drive unit, but it is particularly advantageous if the motor is designed as an electric motor, as a result high positioning accuracy, high dynamics, a very variable design and a low noise level at low cost of the engine can be achieved.
  • a transmission unit designed according to the invention is particularly suitable as a rear-axle transmission unit, although the transmission unit according to the invention is in principle not limited to this application
  • FIG. 1 is a schematic sectional view of a Häachsgetriebeech of a motor vehicle with an electric motor, which operates a torque vectoring unit of a device for influencing a drive torque to two output shafts.
  • Fig. 2 is a partially three-dimensional exterior view of the Schuachsgetriebetechnik of FIG. 1 and
  • FIG. 3 shows a partially sectional schematic illustration of an alternatively configured rear axle transmission unit with a motor actuating two torque vectoring units.
  • a portion of a transmission unit 1 is shown, which is one of a only schematically illustrated engine or internal combustion engine 10 provided, transmitted via a drive shaft 2 drive torque to a first output shaft 3 and a coaxial thereto and with respect to the drive shaft 2 symmetrically arranged second output shaft 5 distributed.
  • the gear unit 1 is provided for installation in a motor vehicle and is designed in the embodiment shown as Schuachsgetriebeeinheif, but auGh is conceivable that a substantially analog gear unit is used as Vorderachsgetriebezie. It is also conceivable to use the present transmission unit both as a front axle transmission unit and as a rear axle transmission unit, for example in a four-wheel drive motor vehicle.
  • the output shafts 3 and 5 which are rotatably mounted about a common longitudinal axis X, are connected at their free ends in each case with a vehicle wheel, not shown, wherein in the installed state of the Schuachsgetriebeiki 1 a vehicle with respect to the output shaft 3 on a viewed in the vehicle front left Transmission side 7 and a vehicle wheel with respect to the output shaft 5 on a right side gear 9 is located.
  • the Hinterachsgetriebetician 1 includes a transmission housing 11, which with a substantially surrounding the drive shaft 2 front Geretegeratiuseteii 12, with a left side of the transmission 7 associated Sogetriebegephaseuseteii 13, from which protrudes the first output shaft 3 side, and with a not shown the right transmission side 9 associated lateral Geretegeratiuseteii, from which the second output shaft 5 projects laterally, is formed.
  • the rear axle transmission unit 1 distributes the drive torque transmitted by the drive shaft 2 to the two output shafts 3 and 5 and can also have an unequal torque distribution on the two output shafts 3 and 5 effect and thus actively improve the driving characteristics.
  • the drive torque is introduced from the drive shaft 2 in a differential unit 15, which is formed with a differential 17 and a differential cage 19 and connected to a device 14 for influencing the drive torque to the output shafts 3 and 5.
  • differential cage 19 For operative connection between the drive shaft 2 and the differential cage 19 is fixedly connected to the drive shaft 2 drive pinion 21 with a fixed connected to the differential cage 19 ring gear 23 into engagement, wherein the differential cage 19 is rotatably mounted about the longitudinal axis X and in the transmission housing 11th supported.
  • the differential 17 is formed in a manner known per se with two output-side bevel gears 25 and 27 connected to the respective output shaft 3 and 5 and with two bevel gears 29 and 31 meshing with the two bevel gears 25 and 27.
  • the two drive-side bevel gears 29 and 31 are rotatably mounted on a bolt 33 which is fixed in the differential cage 19 with respect to a rotation about the longitudinal axis X and rotatably supported by the bolt 33 with respect to rotation about a perpendicular to the longitudinal axis X.
  • Fig. 1 shows two embodiments of the drive side bevel gears 29 and 31 and the cooperating output side bevel gears 25 and 27, which are each engaged with each other and between which the skilled person can select an alternative according to the particular application.
  • a drive torque is transmitted by the internal combustion engine 10 via the drive shaft 2, this is transmitted via the drive pinion 21 to the ring gear 23 and the differential cage 19 firmly connected thereto.
  • the drive torque is transmitted to the drive-side bevel gears 29 and 31 of the differential 17, which in turn guide the drive torque to the driven-side bevel gears 25 and 27 of the differential 17 and thus the output shafts 3 and 5 drive.
  • the device 14 is provided for influencing the drive torque to the output shafts 3 and 5 with two symmetrical to the transmission axis Y arranged identical Torque vectoring units, of the two torque vectoring units in Fig. 1, only the left transmission side 7 associated torque vectoring unit 35 is shown, which will be described below.
  • the torque vectoring units are arranged in the gear housing 11 and are in the present case continuously adjusted and actuated by a respective, switchable electric motor 37.
  • this has a trained as a translation stage 39 planetary gear set without ring gear and an actuatable by the electric motor 37 brake device 51, wherein the translation stage 39 is formed with two sun gears 61 and 63, of which a first sun gear 61 fixed to the differential cage 19 and of which a second sun gear 63 is fixedly connected to the output shaft 3.
  • the sun gears 61 and 63 cooperate with present three rotatably mounted on a planetary carrier 65 planet, of which two planets 69 and 71 are visible, and which have a continuous toothing 73.
  • the brake device 51 has a lamellar shift element embodied as a lamellar brake 77.
  • the lamellar brake 77 which is infinitely variable with respect to its transmission capability, has inner lamellae 75 arranged as lamellae on the planet carrier 65, which cooperate with outer lamellae 79 fixed in the transmission housing 11 by their axial adjustability such that they engage can be brought in or out of a frictional contact.
  • the electric motor 37 actuates the brake device 51 in the present case via a driven by its drive shaft 83, gear housing fixed idler 85, which is in engagement with the drive shaft 83 of the electric motor 37 and a means 87 for axial adjustment of the multi-disc brake 77 is actuated
  • Axial adjustment of the multi-disc brake 77 is in the embodiment shown from a pivot wheel 89 which is in engagement with the intermediate gear 85 and as the idler 85 is disposed on the transmission center axis Y side facing away from the multi-disc brake 77, and one between the pivot wheel 89 and the multi-disc brake 77th arranged ball ramp plate 91 constructed.
  • the intermediate gear 85 is used to set a ratio between the electric motor 37 and the pivot wheel 89, which is determined by a number of teeth of the electric motor 37 and a number of teeth of the pivot wheel 89 and for bridging the distance of the electric motor 37 from the longitudinal axis X. , The distance is bridged in particular by the diameter of the intermediate gear 85.
  • the ball ramp disk 91 which is rotatably mounted and axially displaceable in the gear housing 11 and as the pivot wheel 89 is disposed about the output shaft 3, has distributed over its radius three depth-varying grooves 93 on.
  • grooves 93 of the ball ramp disc 91 corresponding also varying in their depths grooves 95 of the pivot wheel 89 are three trained as balls 97 rolling elements, which results in a caused by the electric motor 37 turning the pivot wheel 89 axial movement of the ball ramp disk 91, so that upon axial movement in the direction of the Y-axis, the housing-fixed outer disks 79, after overcoming a clearance of the means for Axialsfellung 87 with the inner disk 75 of the clutch device 51 make a frictional connection.
  • the translation stage 39 runs around the longitudinal axis X without torque transmission. If a frictional connection in the multi-disc brake 77 is triggered via the electric motor 37, then a torque is applied to the respective output shaft 3 from the drive torque or generates 5 acting torque vectoring moment. This is done by a support of the planet carrier 65 via the brake device 51 in the gear housing 11 It is thus a torque transfer from the drive shaft 2 via the differential cage 19 and from there by means of the planet carrier 65 from the first sun gear 61 to the respective output shaft 3 and 5 connected second sun gear 63 generates, by means of which a different torque distribution to the left output shaft 3 and the right output shaft 5 can be achieved.
  • the electric motor 37 is fixed at its engine shaft exit 98 having a motor end with a flange 99 on a flange 101 of the gear housing 11, which faces in the direction of the transmission axis Y, by means of a screw 103 such in that the electric motor 37 points from the flange surface 101 of the transmission housing 11 to the transmission center axis Y.
  • the electric motor 37 can thus be easily mounted from the outside to the transmission housing 11.
  • the electric motor 37 is arranged in a region of the motor vehicle lying in front of the rear axle transmission unit 1 in the direction of its drive shaft 83, whereby good air flow conditions prevail on the electric motor 37 and thus a good cooling of the electric motor 37 can be achieved.
  • the electric motor 37 assumes in the installed state by its definition in a lying behind a vehicle-fixed fastening means of the transmission housing 11 area on the motor vehicle also no exposed position, whereby a non-illustrated sensors and wiring of the electric motor 37 against external influences is protected.
  • 3 shows an exemplary embodiment with both torque vectoring units 35 'and 36 arranged symmetrically with respect to the gear center axis Y, wherein, in contrast to the rear axle gear unit 1 illustrated in FIG. 1, only one electric motor 37' is provided for actuating both torque vectoring units.
  • Units 35 ', 36 is provided.
  • the electric motor 37 ' which is fixed to the transmission housing 11' in the region of a first torque vectoring unit 35 'analogously to the exemplary embodiment shown in FIG. 1, is for actuating the gear transmission axis Y on the other transmission side 9 located second torque vectoring unit 36 via a transmission in the housing 11 'mounted connecting shaft 105.
  • the connecting shaft 105 is thereby driven by the drive shaft 83 'of the electric motor 37' by means of a gear housing fixedly mounted intermediate gear 107, wherein the connecting shaft 105, the drive torque of the electric motor 37 'via an intermediate wheel 85 of the second torque vectoring unit 36 transfers to this.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)
  • Arrangement Of Transmissions (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne une unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée (2) à deux arbres de sortie (3, 5) au moyen d'une unité de différentiel (15) et d'un dispositif (14) à réglage continu pouvant être actionné par au moins un moteur (37), destiné à influencer le degré de répartition du couple d'entraînement sur les arbres de sortie (3, 5). Selon l'invention, le moteur (37) est disposé de telle manière par rapport à un axe central de transmission (Y), perpendiculaire à un axe longitudinal (X) des arbres de sortie (3, 5), qu'une extrémité moteur présentant une sortie d'arbre moteur (98) est opposée à l'axe central de transmission (Y).
EP07729518A 2006-05-30 2007-05-25 Unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée à deux arbres de sortie Withdrawn EP2021655A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09165267A EP2105633A3 (fr) 2006-05-30 2007-05-25 Ensemble de transmission d'un couple d'un arbre d'entrée à deux arbres de sortie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610025071 DE102006025071A1 (de) 2006-05-30 2006-05-30 Getriebeeinheit zur Führung eines Antriebsmomentes von einer Antriebswelle auf zwei Abtriebswellen
PCT/EP2007/055089 WO2007138006A1 (fr) 2006-05-30 2007-05-25 Unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée à deux arbres de sortie

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09165267A Division EP2105633A3 (fr) 2006-05-30 2007-05-25 Ensemble de transmission d'un couple d'un arbre d'entrée à deux arbres de sortie

Publications (1)

Publication Number Publication Date
EP2021655A1 true EP2021655A1 (fr) 2009-02-11

Family

ID=38293293

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07729518A Withdrawn EP2021655A1 (fr) 2006-05-30 2007-05-25 Unité de transmission destinée à transmettre un couple d'entraînement d'un arbre d'entrée à deux arbres de sortie
EP09165267A Withdrawn EP2105633A3 (fr) 2006-05-30 2007-05-25 Ensemble de transmission d'un couple d'un arbre d'entrée à deux arbres de sortie

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09165267A Withdrawn EP2105633A3 (fr) 2006-05-30 2007-05-25 Ensemble de transmission d'un couple d'un arbre d'entrée à deux arbres de sortie

Country Status (3)

Country Link
EP (2) EP2021655A1 (fr)
DE (1) DE102006025071A1 (fr)
WO (1) WO2007138006A1 (fr)

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DE102006025071A1 (de) 2007-12-06
EP2105633A2 (fr) 2009-09-30
EP2105633A3 (fr) 2009-12-02
WO2007138006A1 (fr) 2007-12-06

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