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WO2008151926A1 - Dispositif d'entraînement de véhicule, en particulier de véhicule à moteur - Google Patents

Dispositif d'entraînement de véhicule, en particulier de véhicule à moteur Download PDF

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Publication number
WO2008151926A1
WO2008151926A1 PCT/EP2008/056476 EP2008056476W WO2008151926A1 WO 2008151926 A1 WO2008151926 A1 WO 2008151926A1 EP 2008056476 W EP2008056476 W EP 2008056476W WO 2008151926 A1 WO2008151926 A1 WO 2008151926A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
rotor
shaft
drive device
electric machine
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.)
Ceased
Application number
PCT/EP2008/056476
Other languages
German (de)
English (en)
Inventor
Christian Husung
Cafer Ince
Miro Bekavac
Carsten Pabst
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2008151926A1 publication Critical patent/WO2008151926A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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 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 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—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 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 motors or the generators
    • 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
    • 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 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 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 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
    • B60K6/405—Housings
    • 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

  • Title Drive device of a vehicle in particular of a motor vehicle
  • the invention relates to a lifting device of a vehicle, in particular of a motor vehicle, with at least one internal combustion engine and at least one electric machine, wherein the electric machine has a rotor bearing and a rotor provided with a shaft, which is rotatably supported by means of the rotor bearing and via the shaft with another, rotating vehicle component, in particular Anthebvoriquessskomponente is coupled.
  • the rotor bearing is a fixed bearing and that the rotor is rotatably mounted on the shaft via a floating bearing. It is thus provided that the rotor bearing is designed as a fixed bearing, which reduces the degrees of freedom of movement of the rotor to a rotational or rotational movement, so that the rotor is fixed axially and radially in position. It is further provided that the rotor is rotatably mounted on the shaft via a floating bearing. The floating bearing thus allows the rotor a certain amount of freedom of movement, so that the overall bearing of the rotor is not overdetermined.
  • the movable bearing preferably allows tilting and / or displacement in the axial and / or radial direction, so that the rotor is not braced and / or jammed due to constructional or operational conditions.
  • the floating bearing thus serves as a tolerance compensation expediently. Due to the fixed bearing, the rotor always runs in a predetermined position, so that the electric machine can be operated very efficiently and a bracing is prevented due to the floating bearing. Where the floating bearing is a non-rotatable connection of rotor and shaft, so that only rotational forces or drive torques are transmitted via the floating bearing. Of course, it does not matter whether the electric machine is running in generator mode or in motor mode.
  • the rotor is rotatably supported by the fixed bearing on the electric machine.
  • the fixed bearing thus expediently forms an element of the electric machine, so that the rotor always rotates / runs in a predetermined position to a stator or stator of the electric machine cooperating with the rotor.
  • the rotor By the storage on the fixed bearing on the electric machine, the rotor always acts optimally together, as already said, with the stator, being mounted on the floating bearing directly on the shaft.
  • the advantageous arrangement allows a particularly space-saving design of the drive device, without compromise in the Operating characteristics of the electric machine or the drive device must be received.
  • the rotor is mounted on the bearing on a bearing plate.
  • the fixed bearing is arranged on a stationary bearing plate, wherein the bearing plate may be part of the electric machine or is formed by the internal combustion engine and / or a further component of the drive device, such as a clutch or a clutch housing.
  • the dynamic forces of the rotor are of both camps of the internal storage of
  • the bearing plate is attached to a housing flange of the internal combustion engine and / or the transmission and / or the electric machine. It is essential that the bearing plate and thus the rotor with respect to the stator of the electric machine is accurately aligned and stored.
  • the bearing plate can be attached to one of the above components of the drive device, for example by means of screwing, clamping, soldering, welding and / or gluing.
  • the shaft is a transmission shaft of a transmission of the drive device and / or a crankshaft of the internal combustion engine.
  • the rotor is thus mounted directly on a shaft of one of the drive components of the drive device.
  • the electric machine itself thus does not have its own shaft, which is coupled to the other, rotating drive train components.
  • the direct storage of the rotor of the electric machine on an existing shaft of the drive device is particularly efficient space savings, the floating bearing, as already described above, allows tolerance compensation. This is particularly important here, since the already existing waves, such as the transmission shaft, already sufficiently stored or determined.
  • the shaft may be an output or drive shaft of a clutch of the drive device.
  • the rotor has a hub receiving the shaft, wherein the hub and the shaft are formed at least in the region of the hub such that together they form the floating bearing.
  • the fixed bearing - as seen in the axial direction - arranged substantially centrally of the rotor or the electric machine on the hub.
  • the hub thus forms together with the shaft, the floating bearing and on the outside of the fixed bearing is arranged.
  • the rotor and / or hub are shaped accordingly so that the central arrangement of the fixed bearing with respect to the rotor is possible.
  • the rotor is mounted rotatably substantially in its center of gravity by means of the fixed bearing and fixed there also axially and radially. This has a favorable effect on the rotational properties of the rotor in each operating state.
  • the fixed bearing is at least one roller bearing, in particular a deep groove ball bearing. It is therefore envisaged that the fixed bearing is formed by one or more rolling bearings / deep groove ball bearings.
  • the rolling bearing is preferably located with its inner ring on the outside of the hub.
  • the hub advantageously has a bearing receptacle which forms an axial stop, to which the rolling bearing or the inner ring of the rolling bearing is pushed.
  • the rolling bearing is advantageously prevented by means of a locking ring or a clamping ring which rests in an open-edge, over the entire circumference of the hub extending groove, to an axial movement or displacement.
  • the bearing receptacle is arranged substantially centrally of the rotor on the hub. Conveniently, an outer ring of the bearing is fixed to the end plate in a similar manner.
  • the bearing plate protrudes at least partially in the axial direction seen in the rotor, with a particularly compact design of the drive device is formed.
  • the floating bearing is formed by a toothing.
  • the toothing is thus designed such that it gives the storage of the rotor on the shaft bearing properties.
  • the rotor points Preferably, an internal toothing and the shaft on an external toothing, which engage with each other, wherein the internal toothing is advantageously arranged on the hub.
  • the internal toothing extends over the entire axial length of the hub.
  • the external toothing of the shaft preferably extends over a wider range than the internal toothing, so that the hub is at least axially displaceable on the shaft, whereby the same torque transmission behavior is always ensured.
  • the internal teeth and the external teeth are also advantageously designed such that the aforementioned tolerance compensation is guaranteed.
  • internal teeth and external teeth are formed such that, for example, a tilting of the shaft in the hub is possible without the rotor with radial (tilting) forces acted upon by the shaft.
  • the toothing is designed such that only a torque transmission between the shaft and rotor or shaft and hub takes place. As a result, tolerances due to temperature-induced changes in length and / or position are effectively compensated.
  • any other shaft-hub connection forming a movable bearing is conceivable, such as a cone clamping set, at least one feather key, a splined shaft, a polygonal profile of shaft and / or hub and / or at least one tensioning element that has at least one degree of freedom of movement allows.
  • Figure a sectional view of an advantageous drive device.
  • the figure shows a sectional view of an embodiment of an advantageous drive device 1 of a motor vehicle.
  • the drive device 1 which is shown here only in sections, has an internal combustion engine 2, the crankshaft 3 via a hydraulically operated friction clutch 4 with a transmission shaft 5 of a transmission 6 is operatively connected.
  • the gear housing 7 suggestive section.
  • an electric machine 8 is arranged between the clutch 4 and the transmission 6 in this case.
  • the electric machine 8 is arranged in a clutch housing 9 of the clutch 4, which extends between a housing 10 of the internal combustion engine and the transmission housing 7.
  • the electric machine 8 has a stator 11 which is fixedly arranged in the housing 9, and a rotor 12 which is arranged directly on the transmission shaft 5.
  • the rotor 12 has a hub 13 in which the transmission shaft 5 is received.
  • the gear shaft 5 has in the region of the hub 13 an external toothing 14 which cooperates with an internal toothing 15 of the hub 13, whereby a toothing 16 between the rotor 12 and gear shaft 5 is formed.
  • the internal toothing 15 extends over the entire axial length of the hub 13.
  • the external toothing 14 extends over a wider range, so that the transmission shaft 5 and rotor 12 are mounted axially displaceable relative to each other so that there is always a sufficient form fit for the transmission of torques available ,
  • the toothing 16 is further designed such that the rotor 12 and the transmission shaft 5 are mutually tiltable and / or radially displaceable relative to each other.
  • the toothing 16 thus forms a movable bearing 17 for the rotor 12 of the electric machine 8. This makes it possible that the axes of rotation of the rotor 12 and the transmission shaft 5 need not be aligned coaxially with each other.
  • the transmission-side end of the hub 13 extends from the hub 13, a web 18 of the rotor 12 initially radially outwardly, then parallel to the hub 13, so that a space 19 is formed, and then again radially outward.
  • the web 18 is connected via a screw connection with a rotor wheel 20 of the rotor 12.
  • On the rotor wheel 20 are circumferentially arranged magnets which cooperate with arranged on the stator 11 windings.
  • a bearing receptacle 21 is formed, which has an axial stop 22.
  • an inner ring 23 of a deep groove ball bearing 24 designed as a rolling bearing 25 is pushed to the stop 22.
  • On the stop 22 opposite side of the bearing seat 21 is an over the entire circumference extending, open-edge groove 26 is formed, in which a locking ring 27 rests.
  • the stop 22 and the locking ring 27 in this case form an axial securing for the inner ring 23 of the rolling bearing 25, so that it is axially fixed on the hub 13 and the rotor 12.
  • the bearing receptacle 21 is advantageously arranged at least substantially in the middle of the rotor 12 or the electric machine 8, so that particularly favorable running conditions for the rotor 12 result.
  • An outer ring 28 of the rolling bearing 25 is mounted in a bearing receptacle 29 of a bearing plate 30 which is fastened by means of a screw 31 on the coupling housing 9.
  • the bearing receptacle 29 also has an axial stop 32, to which the rolling bearing 25 and the outer ring 28 is pushed.
  • An in a over the entire circumference of the bearing receptacle 29 extending, open-edged groove 33 fitting circlip 34 is disposed opposite to the axial stop 32, so that the outer ring 28 of the rolling bearing 25 is held in an axial position.
  • the rolling bearing 25 thus forms a rotor bearing 35, which is designed as a fixed bearing 36.
  • the coupling housing 9 is in this case formed as a housing flange 37, so that the bearing plate 30 is fixed to the housing flange 37 of the transmission 6.
  • the transmission 6 and the electric machine 8 can thus be used as a unit or an assembly.
  • the bearing plate 30 is in this case a component of the electric machine 8.
  • the bearing plate 30 is shaped in such a way that it projects axially into the rotor 12, a circular-cylindrical projection projecting into the bearing receptacle 29 protruding into the free space 19 of the rotor 12, whereby the available space can be advantageously exploited.
  • the bearing 36 ensures that the rotor 12 is always in a predetermined position and rotate, whereas the floating bearing 17 allows tolerance compensation for a shaft 38 of the rotor 12 forming gear shaft 5, wherein the transmission shaft 5, for example, tilted in the hub 13 may lie.
  • the transmission shaft 5 for example, tilted in the hub 13 may lie.
  • operational, temperature-dependent changes in length of the transmission shaft 5 can be compensated.
  • the present drive device 1 provides a particularly simple and cost-effective way, the electric machine 8 in the
  • the rotor has bearing properties of an inherently mounted electric machine 8 and is nevertheless supported directly on the transmission shaft 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un dispositif d'entraînement (1) d'un véhicule, en particulier d'un véhicule à moteur, comprenant au moins une moteur à combustion interne (2) et au moins une machine électrique (8), la machine électrique (8) présentant un palier de rotor (35) et un rotor (12) qui comprend un arbre (38), est monté rotatif au moyen du palier de rotor (35) et est couplé par l'arbre (38) à un autre élément rotatif du véhicule, en particulier à un élément du dispositif d'entraînement. Selon l'invention, le palier de rotor (35) est un palier fixe (36) et le rotor (12) est monté de façon solidaire en rotation sur l'arbre (38) par l'intermédiaire d'un palier libre (17).
PCT/EP2008/056476 2007-06-14 2008-05-27 Dispositif d'entraînement de véhicule, en particulier de véhicule à moteur Ceased WO2008151926A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007027490A DE102007027490A1 (de) 2007-06-14 2007-06-14 Antriebsvorrichtung eines Fahrzeugs, insbesondere eines Kraftfahrzeugs
DE102007027490.6 2007-06-14

Publications (1)

Publication Number Publication Date
WO2008151926A1 true WO2008151926A1 (fr) 2008-12-18

Family

ID=39712422

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/056476 Ceased WO2008151926A1 (fr) 2007-06-14 2008-05-27 Dispositif d'entraînement de véhicule, en particulier de véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102007027490A1 (fr)
WO (1) WO2008151926A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022290A1 (de) * 2012-11-14 2014-05-15 Borgwarner Inc. Drehmomentübertragungsvorrichtung mit einer Kupplungseinrichtung und einer elektrischen Maschine sowie Antriebsstrang für ein Kraftfahrzeug mit einer solchen Drehmomentübertragungsvorrichtung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043671A1 (de) * 2010-11-10 2012-06-14 Zf Friedrichshafen Ag Vorrichtung zur Aufnahme von Axialkräften
DE102011010204A1 (de) 2011-02-03 2012-08-09 Daimler Ag Antriebsstrang für ein Kraftfahrzeug
DE102017204617A1 (de) 2016-05-09 2017-11-09 Volkswagen Aktiengesellschaft Rotor für eine Elektromaschine, insbesondere für den Hybridantrieb eines Kraftfahrzeuges
DE102021205164A1 (de) 2021-05-20 2022-11-24 Zf Friedrichshafen Ag Elektrischer Antrieb für ein Fahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034520A1 (fr) * 2004-09-27 2006-04-06 Magna Steyr Fahrzeugtechnik Ag & Co Kg Unite d'entrainement pour un vehicule automobile a traction hydride en agencement longitudinal
FR2881380A1 (fr) * 2005-02-01 2006-08-04 Peugeot Citroen Automobiles Sa Dispositif d'accouplement entre le rotor d'une machine electrique tournante reversible et l'arbre primaire de la boite de vitesses d'un moteur thermique de vehicule automobile
EP1710113A1 (fr) * 2004-04-28 2006-10-11 Aisin Aw Co., Ltd. Dispositif de direction pour véhicule hybride

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786136B1 (fr) * 1998-11-20 2001-01-05 Renault Groupe motopropulseur comportant une machine electrique interposee entre le moteur thermique et la transmission
DE19916459A1 (de) 1999-04-12 2000-10-26 Bosch Gmbh Robert Starter-Generator für ein Kraftfahrzeug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1710113A1 (fr) * 2004-04-28 2006-10-11 Aisin Aw Co., Ltd. Dispositif de direction pour véhicule hybride
WO2006034520A1 (fr) * 2004-09-27 2006-04-06 Magna Steyr Fahrzeugtechnik Ag & Co Kg Unite d'entrainement pour un vehicule automobile a traction hydride en agencement longitudinal
FR2881380A1 (fr) * 2005-02-01 2006-08-04 Peugeot Citroen Automobiles Sa Dispositif d'accouplement entre le rotor d'une machine electrique tournante reversible et l'arbre primaire de la boite de vitesses d'un moteur thermique de vehicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022290A1 (de) * 2012-11-14 2014-05-15 Borgwarner Inc. Drehmomentübertragungsvorrichtung mit einer Kupplungseinrichtung und einer elektrischen Maschine sowie Antriebsstrang für ein Kraftfahrzeug mit einer solchen Drehmomentübertragungsvorrichtung

Also Published As

Publication number Publication date
DE102007027490A1 (de) 2008-12-18

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