WO2012156041A1 - Système de propulsion hybride pour véhicules automobiles - Google Patents

Système de propulsion hybride pour véhicules automobiles Download PDF

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Publication number
WO2012156041A1
WO2012156041A1 PCT/EP2012/001965 EP2012001965W WO2012156041A1 WO 2012156041 A1 WO2012156041 A1 WO 2012156041A1 EP 2012001965 W EP2012001965 W EP 2012001965W WO 2012156041 A1 WO2012156041 A1 WO 2012156041A1
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WO
WIPO (PCT)
Prior art keywords
clutch
drive
gear
input shaft
shaft
Prior art date
Application number
PCT/EP2012/001965
Other languages
German (de)
English (en)
Inventor
Christian Meixner
Original Assignee
Audi 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 Audi Ag filed Critical Audi Ag
Publication of WO2012156041A1 publication Critical patent/WO2012156041A1/fr

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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
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • B60K6/485—Motor-assist type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • 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
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • F16H2003/008—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths comprising means for selectively driving countershafts
    • 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
    • F16H2200/0017—Transmissions for multiple ratios specially adapted for four-wheel-driven vehicles
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • 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

Definitions

  • the invention relates to a hybrid drive for motor vehicles with a first drive source, in particular an internal combustion engine and a second drive source, in particular an electric machine, according to the preamble of claim 1.
  • Hybrid drives of the generic type describe, for example, DE 195 30 231 A1 with a simple manual transmission or DE 199 60 621 B4 with reference to a dual-clutch transmission as a speed-change transmission. Both writings together is the arrangement of an electric motor as a second drive source on the side facing away from the engine front side of the transmission relative to the regular input shaft, wherein the electric machine abrades once from behind on the input shaft and the dual clutch transmission on a countershaft.
  • the object of the invention is to propose a hybrid drive of the generic type, the structurally compact and gear technology particularly favorable is executed and the additional constructive degrees of freedom in the design of the hybrid drive creates.
  • the second drive source by means of a further input shaft to the input side of the hybrid drive, in particular with the separating clutch, is drivably connectable, wherein the further input shaft extends coaxially through a designed as a hollow shaft gear shaft, and that the second drive source via a switchable ideasstrieb alternately at least on the further input shaft or directly on an output shaft of the transmission and, according to a preferred embodiment, optionally also in a decoupled from both shafts neutral position is switchable.
  • the switchable in the change gear power flows are partially conducted by means of the separating clutch and partially on the clutches in the transmission drive and allow numerous degrees of freedom in the translations itself and in the functions.
  • the electric machine can be used as a starter motor for the internal combustion engine, as a direct or indirect, electric motor drive, in boost mode, in recuperation and as a generator for charging the batteries or it can be completely decoupled from the gearbox.
  • Another advantage consists in the structurally largely unchanged design of the disconnect clutch without increasing the overall length, which allows especially in hybrid drives with laterally mounted axle differential favorable axle weight distributions between the front axle and the rear axle of the motor vehicle.
  • the switchable Thesstrieb by two gear sets in particular two StirnzahnradA be formed whose driving or abortion gears are formed by Losffycken which are coupled by means of a dog clutch or a synchronizer clutch alternately with their shafts or switchable into a neutral position ,
  • Such Stirnzahnradologie possibly with a double-acting synchronizer clutch are inexpensive to produce, allow for favorable translation interpretations and have a good transmission efficiency.
  • the switchable Thesstrieb is formed by two switchable couplings which are coupled to two Stirntechnikrad accountsn the Insstriebes and the driving coupling elements are connected to the second drive source. This allows faster switching operations, since the neutral position does not have to be traversed when switching from one spur gear set to the other.
  • the neutral position can be achieved here, for example, by opening both clutches.
  • At least one clutch of the transmission drive a friction clutch, in particular a wet-running multi-plate clutch can be represented by the particular grinding transitions when switching the Insstriebes or a connection of the second drive source (boost mode) to the first drive source without interruption of traction and is controlled without jerks.
  • the friction clutch may be switched into the drive train directly on the driven gear shaft; However, it is preferably proposed that the friction clutch on the one spur gear set of Translation drive is drivingly connected to the other input shaft of the transmission, since here run the predominantly in driving (switching) of the hybrid drive and run accordingly comfortable.
  • the electric machine can be constructed as a second drive source with an annular rotor, wherein at least one of the clutches of the transmission drive is disposed within the rotor.
  • this can produce a higher drive torque due to the design, as a result of which the rotor can be shorter in the axial extent;
  • the rotor can structurally advantageous directly drive the housing of the integrated friction clutch.
  • the second drive source can preferably be connected in terms of drive by means of the further input shaft to the driving clutch housing of the separating clutch adjacent to the first drive source.
  • the further input shaft via a gear drive, preferably a spur gear drive, be connected to the driving housing of the separating clutch to drive.
  • the separating clutch may be the dual clutch of a dual-clutch transmission, which drifts with two coaxially nested input shafts via gear wheels on two output shafts which are coupled via output gears and abort on at least one output shaft, wherein one of said output shafts is designed as a hollow shaft, in the coaxially the further input shaft is mounted, which is connected to the housing of the double clutch, preferably via a gear drive.
  • the gear drive can be arranged as a driving connection of the other input shaft to the housing of the separating clutch spatially between one of the input side facing the first and front housing wall of the gear housing of the gearbox and the adjacent thereto housing the separating clutch.
  • Fig. 1 is a simple block diagram of a hybrid drive for all-wheel drive vehicles with an internal combustion engine, a dual-clutch transmission and an electric machine as a second drive source, which drives indirectly via a transmission drive on the change gear directly or via a further input shaft to the housing of the double clutch; and
  • FIG. 2 likewise as a block diagram a modified hybrid drive according to FIG. 1, but with a transmission drive with a multi-plate clutch, which is integrated into the annular rotor of the electric machine.
  • the illustrated in Fig. 1 hybrid drive 10 for a motor vehicle is composed essentially of an only indicated internal combustion engine 12 as a first drive source, a downstream dual-clutch transmission 14th as a speed change gear and an electric machine 16 as a second drive source.
  • the electric machine 16 is switchable in a known manner as a motor (driving) or as a generator.
  • the dual-clutch transmission 14 has on the input side a dual clutch with two hydraulically controlled multi-plate clutches K1, K2, which are arranged in a common, driven by the internal combustion engine 12 via the power output shaft 18 optionally with the interposition of a torsional vibration damper housing 20.
  • the clutches K1 and K2 drive alternately on two input shafts 22, 24, which are arranged coaxially, wherein the input shaft 24 is designed here as a hollow shaft.
  • the two input shafts 22, 24 drive via gear sets with fixed gears (generally designated 26) and synchronous clutches (generally designated 30) switchable idler gears (generally designated 28) on two axially parallel output shafts 32, 34 from.
  • gear sets 26 with fixed gears
  • synchronous clutches generally designated 30
  • switchable idler gears generally designated 28
  • axle differential 48 drives.
  • a first of the cross-driving axle half shafts 50 extends axially behind the housing 20 of the dual clutch K1, K2 through the gear housing 36.
  • the output shaft 32 drives via a gear set 52, 53 to a second output shaft 54 of the dual-clutch transmission 14, for example, via a non illustrated viscous coupling aborts on a further axle differential of the motor vehicle.
  • the spatial position of the input shafts 22, 24 and the output shafts 32, 34 is shown in a single plane for better illustration; in fact, the output shafts 32, 34 are arranged so that the two fixed gears 38 constantly mesh with the fixed gear 40 and thus the output shaft 42 is constantly drivingly connected to the output shafts 32, 34.
  • the one output shaft 34 of the dual clutch transmission 14 is designed as a hollow shaft, through which a further, coaxially mounted input shaft 56 is passed, which drives via a transmission drive 58 with the the end wall 36d of the gear housing 36 mounted electric machine 16 is connectable.
  • the The The Thesstrieb 58 is composed of two Stirnzahnradaxen 60, 62 and 64, 66, of which the gears 60 and 64 are fixed gears, which are arranged on the other input shaft 56 and the other directly on the output shaft 34, while the counter gears as Losffygan 62, 66 are formed, which are rotatably mounted on the drive shaft 16a of the electric machine 16 and which are coupled via a synchronizer clutch 68 from a central neutral position of alternately with the fixed gears 60 or 64.
  • the synchronizer clutch 68 preferably has a conventional gearshift construction and is therefore not described in detail.
  • the further input shaft 56 extending through the output shaft 34 is further connected to the housing 20 of the double clutch K1, K2 via a gearwheel gear set 70, 72, for example, with the spur gear set 70, 72 preferably between the one shown in the image plane of FIG. 1 front and left housing wall 36a of the gear housing 36 and the subsequent housing 20 of the clutch K1, K2 is positioned.
  • spur gear 72 meshes another spur gear 74 which drives a drive shaft 76, for example, not shown, arranged in the gear housing 36 hydraulic pump of the hydraulic transmission control of the dual clutch transmission 14, which transmission control the dual clutch 20 and hydraulic actuators for Actuate the synchronizer clutches 30, 68, etc. supplied with hydraulic pressure.
  • the electric machine 16 via the synchronizer clutch 68 and the Stirnzahnradsatz 66, 64 drivingly connected to the other input shaft 56, this can by appropriate electrical control by means of the Stirnzahnradsatzes 70, 72 and the fixedly connected to the power output shaft 18 of the engine 12 housing 20 of the double clutch K1, K2 start the internal combustion engine 12 or it can be supplied with the internal combustion engine 12 and connected as a generator electric machine 16, the electrical system of the motor vehicle with power.
  • the electric machine 16 for example, at defined shift speeds and a closed clutch K1 or K2 on the other input shaft 56 turn on torque, for example, when engaged first gear by appropriate reversal form a reverse gear.
  • In other forward gears can be switched as a generator, for example, a recuperation in a circuit of the electric machine 16, by means of which, for example, energy is fed back when driving downhill of the motor vehicle.
  • the electric machine 16 In the neutral position of the synchronizer clutch 68, the electric machine 16 is switched off or, if appropriate speed sensors are arranged on the further input shaft 56 and on the output shaft 34, can effect a pre-synchronization on the synchronizer clutch 68.
  • Fig. 2 shows a modified form of the hybrid drive 10 of FIG. 1, which, however, is described only insofar as it differs significantly from the Fig. 1. Functionally identical parts are provided with the same reference numerals.
  • the change gear 14 ' seven forward gears and one reverse gear are shown in the change gear 14 ' , with correspondingly many fixed gears 26, idler gears 28 and synchronizer clutches 30.
  • the output shaft designed as a hollow shaft 34 is arranged in the drawing Fig. 2 below and drives over the spur gears 70, 72nd on the housing 20 of the double clutch K1, K2.
  • the output shaft 54 lies directly adjacent to the axle differential 48, which, depending on the arrangement of the entire unit 12, 14, 16 in the motor vehicle spatially and structurally can be beneficial.
  • the flanged to the end wall 36d of the gearbox 14 electric machine 16 ' is annularly formed with a radially outer stator 75 and an annular rotor 76, in which a further friction clutch or a hydraulically actuated multi-plate clutch K3 is integrated.
  • the housing 78 of the multi-plate clutch K3 forms a structural unit with the rotor 76 of the electric machine 16 ' .
  • the housing 78 of the multi-plate clutch K3 is fixedly connected via a first hollow shaft 80 to a clutch ring 82 of a synchronizer clutch 84 arranged outside the electric machine 16 ' .
  • the coupling body of Synchronous coupling 84 is seated on a coaxial to the hollow shaft 80, the first drive shaft 86 which is rotatably mounted in the gear housing 36 and the housing 87 of the electric machine 16 ' and on which the gear 62 of the Directsstriebes 58 is attached.
  • the second, driving gear 66 of the Insstriebes 58 is positioned on a led out of the rotor 76, another hollow shaft 88 which is coupled within the housing 78 of the multi-disc clutch K3 with the driving lamellae 90 (shown in simplified). Notwithstanding Fig. 1 of the drawing, all gears 60, 62, 64, 66 of the transmission drive 58 fixed gears.
  • the electric machine 16 ' on the gears 66, 64 on the other input shaft 56 and on the gears 70, 72 on the housing 20 of the dual clutch K1, K2 abort or in reverse power flow in recuperation or switched and driven in a charging operation as a generator.
  • a smooth, smooth engagement or even a defined slip operation switching without traction interruption
  • the housing 78 connected directly to the rotor 76 is connected to the hollow shaft 80 on the drive shaft 86 and drives now via the gears 62, 60 directly to the output shaft 34 from.
  • the functions of the hybrid drive 10 ' of FIG. 2 are functionally identical to those described in FIG. 1 and therefore not repeated here.
  • the further input shaft 56 can then be formed by one of the structurally offering transmission shafts of the gearbox as described above.
  • the further input shaft 56 extends centrally through a first input shaft designed as a hollow shaft (for example the input shaft 22), this can be directly connected to the housing 20 of the double clutch K1, K2 with the spur gear drive 70, 72 omitted.
  • the further input shaft 56 could optionally be formed directly by an existing there drive shaft of the hydraulic pump of the transmission control of the dual clutch transmission 14 by extending beyond the impeller axially extended and connected to the electric machine 16 drivably.
  • 16 ' may be used as drive sources, other combinations of a hybrid drive, for example, a fuel cell unit as the first drive source and a flywheel storage as a second drive source.

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

Abstract

L'invention concerne un système de propulsion hybride pour véhicules automobiles, présentant une première source de propulsion, en particulier un moteur à combustion interne, et une deuxième source de propulsion, en particulier un moteur électrique. La première source de propulsion entraîne au moins un arbre d'entrée d'une boîte de vitesses via au moins un embrayage de coupure formant en embrayage d'entrée et la deuxième source de propulsion entraîne, d'un côté écarté de ou opposé à l'arbre d'entrée de la boîte de vitesses, un des autres arbres d'entraînement. Selon l'invention, la deuxième source de propulsion (16 ; 16') peut être raccordée fonctionnellement au moyen d'un autre arbre d'entrée (56) au côté d'entrée du système de propulsion hybride, en particulier à l'embrayage de coupure. L'autre arbre d'entrée (56) s'étend coaxialement à travers un arbre de transmission (34) réalisé sous forme d'arbre creux. La deuxième source de propulsion (16; 16') peut être commutée via un système de transmission commutable (58) alternativement au moins aux autres arbres d'entrée (56) ou directement à un arbre de sortie (34) de la boîte de vitesses (14 ; 14').
PCT/EP2012/001965 2011-05-13 2012-05-08 Système de propulsion hybride pour véhicules automobiles WO2012156041A1 (fr)

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DE102011101410A DE102011101410A1 (de) 2011-05-13 2011-05-13 Hybridantrieb für Kraftfahrzeuge
DE102011101410.5 2011-05-13

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DE102013022142A1 (de) * 2013-12-19 2015-06-25 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Hybrid-Antriebsstrang für ein Kraftfahrzeug
US11572055B2 (en) 2019-03-11 2023-02-07 Zf Friedrichshafen Ag Method and control unit for operating a hybrid vehicle

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DE102011089467B4 (de) 2011-12-21 2023-10-05 Zf Friedrichshafen Ag Hybridantrieb eines Kraftfahrzeugs und Verfahren zum Betreiben desselben
DE102015221402B4 (de) * 2015-11-02 2022-12-22 Bayerische Motoren Werke Aktiengesellschaft Hybridantriebsmodul
DE102015221780A1 (de) * 2015-11-06 2017-05-11 Bayerische Motoren Werke Aktiengesellschaft Getriebeanordnung
DE102015222887A1 (de) * 2015-11-19 2017-05-24 Bayerische Motoren Werke Aktiengesellschaft Getriebeanordnung
DE102018219834B4 (de) * 2018-11-20 2020-06-04 Magna Pt B.V. & Co. Kg Antriebsanordnung für ein Kraftfahrzeug mit zumindest zwei Antriebseinheiten, einem Doppelkupplungsgetriebe und einem Verteilergetriebe sowie Kraftfahrzeug umfassend diese Antriebsanordnung
DE102021202092A1 (de) 2021-03-04 2022-09-08 Zf Friedrichshafen Ag Antriebsvorrichtung zum Antrieb eines Fahrzeugs, aufweisend eine E-Maschine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013022142A1 (de) * 2013-12-19 2015-06-25 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Hybrid-Antriebsstrang für ein Kraftfahrzeug
US11572055B2 (en) 2019-03-11 2023-02-07 Zf Friedrichshafen Ag Method and control unit for operating a hybrid vehicle

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