DE102018109022A1 - Hybrid module with a cooling device for the active cooling of a stator - Google Patents
Hybrid module with a cooling device for the active cooling of a stator Download PDFInfo
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- DE102018109022A1 DE102018109022A1 DE102018109022.6A DE102018109022A DE102018109022A1 DE 102018109022 A1 DE102018109022 A1 DE 102018109022A1 DE 102018109022 A DE102018109022 A DE 102018109022A DE 102018109022 A1 DE102018109022 A1 DE 102018109022A1
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- hybrid module
- coolant
- blade elements
- stator
- cooling device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- 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
- B60K6/26—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 ; 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 motors or the generators
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- 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
- B60K6/38—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 driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- 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
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- 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
- B60K6/405—Housings
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/72—Features relating to cooling
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
- F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
- F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
- F16D2021/0661—Hydraulically actuated multiple lamellae clutches
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug, umfassend eine elektrische Maschine mit einem Stator sowie einem Rotor sowie eine Kupplungseinrichtung und umfassend eine Kühlvorrichtung zur Kühlung sowie einen Antriebsstrang mit einem solchen Hybridmodul.Die Kühlvorrichtung des Hybridmoduls (1) dient zur Kühlung eines Stators (15) der elektrischen Maschine und umfasst mit wenigstens einer Erstreckungskomponente sich radial erstreckende Schaufelelemente (31), welche rotationsfest mechanisch mit dem Rotorträger (17) verbunden sind oder von diesem als integrale Bestandteile ausgebildet sind, sowie einen Auslass (13), durch welchen Kühlmittel den Schaufelelementen (31) zuführbar ist, so dass die Richtung, die Geschwindigkeit und/oder die Größe des Volumenstroms des austretenden Kühlmittels von den rotierenden Schaufelelementen (31) derart änderbar ist, dass zumindest ein Teil des austretenden Kühlmittels auf den Stator (15) der elektrischen Maschine gelangt.Mit dem hier vorgeschlagenen Hybridmodul wird eine Einrichtung zur Verfügung gestellt, die eine aktive Kühlung des Stators der elektrischen Maschine mit minimiertem Volumenbedarf ermöglicht.The invention relates to a hybrid module for a motor vehicle, comprising an electric machine with a stator and a rotor and a clutch device and comprising a cooling device for cooling and a drive train with such a hybrid module. The cooling device of the hybrid module (1) serves to cool a stator (15 ) of the electric machine and comprising at least one extension component radially extending blade elements (31) which are rotationally fixed mechanically connected to the rotor carrier (17) or formed by this as integral components, and an outlet (13) through which coolant the blade elements (31) can be supplied, so that the direction, the speed and / or the size of the volume flow of the exiting coolant from the rotating blade elements (31) is changeable such that at least a part of the exiting coolant to the stator (15) of the electric machine arrives.With d em hybrid module proposed here, a device is provided which allows active cooling of the stator of the electric machine with minimized volume requirement.
Description
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug, umfassend eine elektrische Maschine mit einem Stator sowie einem Rotor, eine Kupplungseinrichtung und eine Kühlvorrichtung. Des Weiteren betrifft die Erfindung einen Antriebsstrang mit einem erfindungsgemäßen Hybridmodul.The invention relates to a hybrid module for a motor vehicle, comprising an electric machine with a stator and a rotor, a coupling device and a cooling device. Furthermore, the invention relates to a drive train with a hybrid module according to the invention.
Zurzeit erhältliche Hybridmodule, die durch Ankopplung eines Verbrennungsmotors an einen Antriebsstrang eines Fahrzeugs einen Elektromotorbetrieb mit einem Verbrennungsmotorbetrieb kombinieren können, weisen meist einen Elektromotor, eine Trennkupplung, deren Betätigungssystem, Lager und Gehäusekomponenten auf, die die drei Hauptkomponenten zu einer funktionstüchtigen Einheit verbinden.
Der Elektromotor ermöglicht das elektrische Fahren, Leistungszuwachs zum Verbrennungsmotorbetrieb und Rekuperieren. Die Trennkupplung und deren Betätigungssystem sorgen für das Ankuppeln oder Abkuppeln des Verbrennungsmotors. Wenn ein Hybridmodul mit einer Doppelkupplung derart kombiniert wird, dass sich das Hybridmodul in Drehmomentübertragungsrichtung zwischen Verbrennungsmotor und Getriebe befindet, müssen im Fahrzeug der Verbrennungsmotor, das Hybridmodul, die Doppelkupplung mit ihren Betätigungssystemen und das Getriebe hinter- oder nebeneinander angeordnet werden.
Es ist bekannt, dass sich zu hohe Temperaturen nachteilig auf die Effizienz der elektrischen Maschine eines Hybridmoduls auswirken.Currently available hybrid modules that can combine electric motor operation with engine operation by coupling an internal combustion engine to a powertrain of a vehicle typically include an electric motor, a disconnect clutch, its actuation system, bearings and housing components that connect the three main components to a functional unit.
The electric motor enables electric driving, power increase for internal combustion engine operation and recuperation. The separating clutch and its actuating system ensure the coupling or uncoupling of the internal combustion engine. If a hybrid module is combined with a dual clutch such that the hybrid module is located in the torque transmission direction between the engine and the transmission, the internal combustion engine, the hybrid module, the dual clutch with its actuation systems and the transmission must be arranged behind or next to one another in the vehicle.
It is known that too high temperatures adversely affect the efficiency of the electric machine of a hybrid module.
Ein Hybridmodul mit Kühlung ist aus der
Allerding weist die Kühlvorrichtung selbst ein Volumen auf, welches sich auf den gesamten Bauraumbedarf des Hybridmoduls auswirkt.However, the cooling device itself has a volume which has an effect on the overall space requirement of the hybrid module.
Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Hybridmodul zur Verfügung zu stellen, welches ein geringes Volumen mit hoher Effizienz und Lebensdauer verbindet.On this basis, the object of the present invention is to provide a hybrid module which combines a low volume with high efficiency and service life.
Die Aufgabe wird durch das erfindungsgemäße Hybridmodul für ein Kraftfahrzeug nach Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen des Hybridmoduls sind in den Unteransprüchen 2-9 angegeben. Ergänzend wird ein Antriebsstrang gemäß Anspruch 10 für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem Getriebe zur Verfügung gestellt, welcher ein erfindungsgemäßes Hybridmodul aufweist.The object is achieved by the hybrid module according to the invention for a motor vehicle according to
Die Merkmale der Ansprüche können in jeglicher technisch sinnvollen Art und Weise kombiniert werden, wobei hierzu auch die Erläuterungen aus der nachfolgenden Beschreibung sowie Merkmale aus den Figuren hinzugezogen werden können, die ergänzende Ausgestaltungen der Erfindung umfassen.The features of the claims may be combined in any technically meaningful manner, for which purpose also the explanations from the following description as well as features from the figures may be included, which comprise additional embodiments of the invention.
Die Begriffe „radial“ und „axial“ beziehen sich im Rahmen der vorliegenden Erfindung immer auf die Drehachse des Hybridmoduls.The terms "radial" and "axial" in the context of the present invention always refer to the axis of rotation of the hybrid module.
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug zum Ankoppeln einer Verbrennungskraftmaschine sowie eines Getriebes. Das Hybridmodul umfasst eine elektrische Maschine, eine Kupplungseinrichtung und eine Kühlvorrichtung.
Das Hybridmodul ist ein Modul, mittels welchem elektrische Energie in ein Drehmoment umgewandelt auf eine Antriebswelle übertragbar ist, wobei die Antriebswelle außerdem von einer Brennkraftmaschine mit einem Drehmoment beaufschlagbar ist. Das Hybridmodul weist eine elektrische Maschine mit einem Rotor, bevorzugt ein Innenläufer, und einen Stator auf.
Die Kupplungseinrichtung ist bevorzugt eine Reibkupplungseinrichtung.The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and a transmission. The hybrid module comprises an electric machine, a clutch device and a cooling device.
The hybrid module is a module, by means of which electrical energy converted into a torque is transferable to a drive shaft, wherein the drive shaft is also acted upon by an internal combustion engine with a torque. The hybrid module has an electric machine with a rotor, preferably an inner rotor, and a stator.
The coupling device is preferably a friction coupling device.
Die Kühlvorrichtung ist zur Kühlung eingerichtet, indem das Kühlmittel Wärme aufnimmt. Dabei umfasst die Kühlvorrichtung eine Kühlmittelleitung, in welcher das Kühlmittel geführt wird.
Die Kühlvorrichtung umfasst weiterhin mit wenigstens einer Erstreckungskomponente sich radial erstreckende Schaufelelemente, welche zumindest mittelbar rotationsfest mechanisch mit dem Rotorträger verbunden sind oder von diesem als integrale Bestandteile ausgebildet sind. Weiterhin umfasst die Kühlvorrichtung einen Auslass der Kühlmittelleitung, welcher derart positioniert ist, dass aus dem Auslass austretendes Kühlmittel den Schaufelelementen zuführbar ist. Das Kühlmittel wird den Schaufelelementen dabei derart zugeführt, dass die Richtung, die Geschwindigkeit und/oder die Größe des Volumenstroms des austretenden Kühlmittels von den rotierenden Schaufelelementen derart änderbar ist, dass zumindest ein Teil des austretenden Kühlmittels auf den Stator der elektrischen Maschine gelangt.
Das bedeutet, dass austretendes Kühlmittel von den Schaufelelementen bei deren Rotation nach radial außen und/oder mit axialer Komponente umgelenkt bzw. verspritzt wird. Die Drehgeschwindigkeit der Rotation entspricht dabei der Drehgeschwindigkeit, welche das Bauteil, auf dem die Schaufelelemente angeordnet sind, aufweist. Die Schaufelelemente weisen dabei eine Funktion äquivalent der eines Strahlenbrechers eines Impulsregners auf. Dadurch kann ein Sprühnebel des Kühlmittels erzeugt werden, dessen flüssige Partikel sich auf dem Stator absetzen können, um diesen zu kühlen.
Derart lässt sich effizient eine Verteilung des Kühlmittels und demzufolge eine Kühlung umliegender thermisch belasteter Bauteile gewährleisten.The cooling device is designed for cooling by the coolant absorbs heat. In this case, the cooling device comprises a coolant line, in which the coolant is guided.
The cooling device further comprises at least one extension component radially extending blade elements which are at least indirectly rotationally fixed mechanically connected to the rotor carrier or are formed by this as integral components. Furthermore, the cooling device comprises an outlet of the coolant line, which is positioned in such a way that coolant emerging from the outlet can be fed to the blade elements. The coolant is supplied to the blade elements in such a way that the direction, the velocity and / or the size of the volume flow of the exiting coolant from the rotating blade elements is changeable such that at least a portion of the exiting coolant reaches the stator of the electric machine.
This means that escaping coolant is deflected or sprayed by the blade elements during their rotation radially outward and / or with axial component. The rotational speed of the rotation corresponds to the rotational speed, which has the component on which the blade elements are arranged. The blade elements have a function equivalent to that of a beam breaker of a pulse sprinkler. As a result, a spray of the coolant can be generated, the liquid particles can settle on the stator to cool it.
In this way it is possible to efficiently ensure a distribution of the coolant and consequently a cooling of surrounding thermally loaded components.
Vorzugsweise ist das verwendete Kühlmittel ein Fluid.Preferably, the coolant used is a fluid.
Erfindungsgemäß dienen die Schaufelelemente dazu, das Kühlmittel umzulenken und zu verteilen. Durch eine Reflexion des auf die Schaufelelemente auftreffenden Kühlmittels wird dessen Volumenstrom mit radialer Komponente umgelenkt. Die Ablenkung des Volumenstroms durch die Schaufelelemente liegt dabei vorzugweise in einem Winkelbereich zwischen 30° und 120° in Bezug zur Austrittsrichtung aus dem Auslass. Insbesondere beträgt der Winkel zwischen 70° und 110°, am meisten bevorzugt jedoch zwischen 85° und 95°.
Ein jeweiliges Schaufelelement erstreckt sich dabei im Wesentlichen in einer Ebene, die keine Parallelität zur Rotationsachse aufweist. Vielmehr weist die Erstreckungsebene eines jeweiligen Schaufelelements einen Winkel zur Rotationsachse auf. Bevorzugt weist die Erstreckungsebene eines jeweiligen Schaufelelements einen Winkel zur Rotationsachse auf, wobei der Winkel ungleich 0° und 90° ist und bevorzugt zwischen 30° und 60° beträgt.According to the invention, the blade elements serve to redirect and distribute the coolant. By a reflection of the impinging on the blade elements coolant whose volume flow is deflected with a radial component. The deflection of the volume flow through the blade elements is preferably in an angular range between 30 ° and 120 ° with respect to the outlet direction from the outlet. In particular, the angle is between 70 ° and 110 °, but most preferably between 85 ° and 95 °.
A respective blade element extends substantially in a plane which has no parallelism to the axis of rotation. Rather, the plane of extent of a respective blade element at an angle to the axis of rotation. Preferably, the plane of extent of a respective blade element at an angle to the axis of rotation, wherein the angle is not equal to 0 ° and 90 °, and preferably between 30 ° and 60 °.
In einer weiteren erfindungsgemäßen Ausgestaltung des Hybridmoduls umfasst die Kühlvorrichtung einen Ring. Mit diesem Ring sind die Schaufelelemente mechanisch verbunden oder sie werden von diesem als integrale Bestandteile ausgebildet. Der Ring ist dabei mechanisch mit dem Rotorträger verbunden.In a further embodiment of the hybrid module according to the invention, the cooling device comprises a ring. With this ring, the blade elements are mechanically connected or they are formed by this as integral components. The ring is mechanically connected to the rotor carrier.
Ergänzend ist der erfindungsgemäße Gegenstand derart ausgebildet, dass die mechanische Verbindung des Rings mit dem Rotorträger über eine Welle-Nabe-Verbindung realisiert ist. Alternativ ist eine kraftschlüssige Verbindung zwischen Ring und Rotorträger vorgesehen.In addition, the object according to the invention is designed such that the mechanical connection of the ring with the rotor carrier is realized via a shaft-hub connection. Alternatively, a frictional connection between the ring and rotor carrier is provided.
In einer weiteren erfindungsgemäßen Ausgestaltung ist die Kühlmittelleitung innerhalb eines Gehäuses des Hybridmoduls, insbesondere zumindest bereichsweise in einer Zwischenwand des Gehäuses, ausgebildet. Die Kühlmittelleitung ist dazu eingerichtet, ein Fluid zur Kühlung zu führen. Weiterhin kann die Kühlmittelleitung eine von außen in das Hybridmodul führende Fluidzufuhr und/oder eine nach außen aus dem Hybridmodul führende Fluidabfuhr aufweisen.In a further embodiment according to the invention, the coolant line is formed within a housing of the hybrid module, in particular at least partially in an intermediate wall of the housing. The coolant line is adapted to lead a fluid for cooling. Furthermore, the coolant line may have a fluid supply leading from the outside into the hybrid module and / or a fluid discharge leading outward from the hybrid module.
Vorzugsweise weist das Hybridmodul weiterhin einen Auslass auf, welcher durch eine Öffnung im Gehäuse, insbesondere in der Zwischenwand, ausgebildet ist.Preferably, the hybrid module further comprises an outlet, which is formed by an opening in the housing, in particular in the intermediate wall.
Ergänzend zum Auslass kann das Hybridmodul einen Bypass aufweisen. Der Bypass ist dabei ein Bypass eines Leitungssystems der Kühlvorrichtung des Hybridmoduls. Der Bypass bildet endseitig den Auslass aus.In addition to the outlet, the hybrid module can have a bypass. The bypass is a bypass of a line system of the cooling device of the hybrid module. The bypass forms the end of the outlet.
In einer weiteren Ausführungsvariante des erfindungsgemäßen Hybridmoduls ist die Kühlvorrichtung axial an der Seite der elektrischen Maschine angeordnet, welche der Seite zum Ankoppeln einer Verbrennungskraftmaschine zugewandt ist. Alternativ oder zusätzlich soll jedoch auch nicht ausgeschlossen sein, dass die Kühlvorrichtung auf der dem Anschluss eines Getriebes zugewandten Seite angeordnet ist.In a further embodiment of the hybrid module according to the invention, the cooling device is arranged axially on the side of the electric machine, which faces the side for coupling an internal combustion engine. Alternatively or additionally, however, it should also not be ruled out that the cooling device is arranged on the side facing the connection of a transmission.
In einer einfachen und stabilen Ausführungsform des erfindungsgemäßen Hybridmoduls weist die Kühlvorrichtung vorzugsweise mindestens fünfzig Schaufelelemente auf. Vorzugsweise alle Schaufelelemente sind auf einem Umfang verteilt angeordnet. Die Schaufelelemente sind dabei bevorzugt gleich beabstandet angeordnet. Der Umfang, auf dem die Schaufelelemente angeordnet sind, kann von der radial äußeren Seite des Rotorträgers ausgebildet sein und sich radial innerhalb der elektrischen Maschine befinden. Durch die Anordnung von mindestens fünfzig Schaufelelementen wird auf eine einfache Weise die Erzeugung eines feinen Sprühnebels gewährleistet.In a simple and stable embodiment of the hybrid module according to the invention, the cooling device preferably has at least fifty blade elements. Preferably, all blade elements are arranged distributed on a circumference. The blade elements are preferably arranged at the same distance. The circumference on which the vane elements are arranged may be formed from the radially outer side of the rotor carrier and located radially inside the electric machine. The arrangement of at least fifty blade elements ensures the production of a fine spray in a simple manner.
Die Aufgabe wird zudem erfindungsgemäß durch einen Antriebsstrang für ein Kraftfahrzeug gelöst. Der Antriebsstrang umfasst dabei eine Verbrennungskraftmaschine und ein erfindungsgemäßes Hybridmodul sowie ein Getriebe. Das Hybridmodul ist dabei mit der Verbrennungskraftmaschine und dem Getriebe mechanisch über Kupplungen des Hybridmoduls verbindbar oder verbunden.The object is also achieved according to the invention by a drive train for a motor vehicle. The drive train comprises an internal combustion engine and a hybrid module according to the invention and a transmission. The hybrid module is connected to the internal combustion engine and the transmission mechanically via couplings of the hybrid module or connected.
Die oben beschriebene Erfindung wird nachfolgend vor dem betreffenden technischen Hintergrund unter Bezugnahme auf die zugehörigen Zeichnungen, welche bevorzugte Ausgestaltungen zeigen, detailliert erläutert. Die Erfindung wird durch die rein schematischen Zeichnungen in keiner Weise beschränkt, wobei anzumerken ist, dass die in den Zeichnungen gezeigten Ausführungsbeispiele nicht auf die dargestellten Maße eingeschränkt sind.The above-described invention will be explained in detail in the background of the relevant technical background with reference to the accompanying drawings, which show preferred embodiments. The invention is not limited by the purely schematic drawings in any way, it being noted that the embodiments shown in the drawings are not limited to the dimensions shown.
Im Folgenden zeigen mögliche Ausführungsbeispiele der Erfindung in den
-
1 ein Querschnitt des Aufbaus des Hybridmoduls dargestellt ist, -
2 einen Ring in perspektivischer Ansicht darstellt, an welchem Schaufelelemente ausgebildet sind und -
3 den Querschnitt des Hybridmoduls mit dem Kühlmittelpfad zeigt.
-
1 a cross section of the structure of the hybrid module is shown, -
2 a ring in perspective view, on which blade elements are formed and -
3 shows the cross section of the hybrid module with the coolant path.
Es folgt die Erläuterung der Erfindung anhand der Zeichnungen nach Aufbau und ggf. auch nach Wirkungsweise der dargestellten Erfindung.There follows the explanation of the invention with reference to the drawings according to the structure and possibly also after the operation of the illustrated invention.
Zunächst wird der allgemeine Aufbau des erfindungsgemäßen Hybridmoduls
Das dargestellte Hybridmodul
Die Eingangsseite der Trennkupplung
Die beiden Teilkupplungen
Die Schaufelelemente
The illustrated
The input side of the separating
The two
The
In
In
Im Betrieb der Erfindung wird also ein Kühlmittel in der Kühlmittelleitung
Mit dem hier vorgeschlagenen Hybridmodul wird eine Einrichtung zur Verfügung gestellt, die eine aktive Kühlung des Stators der elektrischen Maschine mit minimiertem Volumenbedarf ermöglicht.With the hybrid module proposed here, a device is provided which enables active cooling of the stator of the electric machine with minimized volume requirement.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
- 11
- Hybridmodulhybrid module
- 55
- Gehäusecasing
- 66
- Zwischenwandpartition
- 1010
- KühlmittelpfadCoolant path
- 1111
- KühlmittelleitungCoolant line
- 1212
- Bypassbypass
- 1313
- Auslassoutlet
- 1515
- Statorstator
- 1616
- Rotorrotor
- 1717
- Rotorträgerrotorarm
- 2020
- Schwingungsdämpfervibration
- 2121
- Trennkupplungseparating clutch
- 2222
- erste Teilkupplungfirst part clutch
- 2323
- zweite Teilkupplungsecond part clutch
- 2424
- Hybridmodul-EingangswelleHybrid module input shaft
- 3030
- Ringring
- 3131
- Schaufelelementvane element
- MM
- Seite des Anschlusses einer VerbrennungskraftmaschineSide of the connection of an internal combustion engine
- GG
- Seite des Anschlusses eines GetriebesSide of the connection of a gearbox
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102014205380 A1 [0003]DE 102014205380 A1 [0003]
Claims (10)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018109022.6A DE102018109022A1 (en) | 2018-04-17 | 2018-04-17 | Hybrid module with a cooling device for the active cooling of a stator |
PCT/DE2019/100273 WO2019201376A1 (en) | 2018-04-17 | 2019-03-22 | Hybrid module having a cooling device for actively cooling a stator |
EP19716287.8A EP3782266A1 (en) | 2018-04-17 | 2019-03-22 | Hybrid module having a cooling device for actively cooling a stator |
DE112019001995.3T DE112019001995A5 (en) | 2018-04-17 | 2019-03-22 | HYBRID MODULE WITH A COOLING DEVICE FOR ACTIVE COOLING OF A STATOR |
CN201980026563.9A CN112005472A (en) | 2018-04-17 | 2019-03-22 | Hybrid module with cooling device for actively cooling the stator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018109022.6A DE102018109022A1 (en) | 2018-04-17 | 2018-04-17 | Hybrid module with a cooling device for the active cooling of a stator |
Publications (1)
Publication Number | Publication Date |
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DE102018109022A1 true DE102018109022A1 (en) | 2019-10-17 |
Family
ID=66101772
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102018109022.6A Withdrawn DE102018109022A1 (en) | 2018-04-17 | 2018-04-17 | Hybrid module with a cooling device for the active cooling of a stator |
DE112019001995.3T Pending DE112019001995A5 (en) | 2018-04-17 | 2019-03-22 | HYBRID MODULE WITH A COOLING DEVICE FOR ACTIVE COOLING OF A STATOR |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE112019001995.3T Pending DE112019001995A5 (en) | 2018-04-17 | 2019-03-22 | HYBRID MODULE WITH A COOLING DEVICE FOR ACTIVE COOLING OF A STATOR |
Country Status (4)
Country | Link |
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EP (1) | EP3782266A1 (en) |
CN (1) | CN112005472A (en) |
DE (2) | DE102018109022A1 (en) |
WO (1) | WO2019201376A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020107700A1 (en) | 2020-03-20 | 2021-09-23 | Schaeffler Technologies AG & Co. KG | Hybrid drive device with a fluid delivery device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102020114604A1 (en) * | 2020-06-02 | 2021-12-02 | Schaeffler Technologies AG & Co. KG | Rotary electric machine and drive assembly |
Citations (1)
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DE102014205380A1 (en) | 2013-04-19 | 2014-10-23 | Schaeffler Technologies Gmbh & Co. Kg | Cooling device and method for a rotor-integrated clutch for hybrid modules |
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GB1344698A (en) * | 1970-05-18 | 1974-01-23 | Allis Louis Co | Hermetically sealed electric motors |
JPS52108511U (en) * | 1976-02-16 | 1977-08-18 | ||
US6426574B1 (en) * | 1996-12-21 | 2002-07-30 | Alstom | Rotor of a turbogenerator having direct gas cooling incorporating a two-stage flow cascade |
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DE102004049795A1 (en) * | 2004-04-08 | 2005-11-10 | Deere & Company, Moline | Cooling device for electrical machine, has feeding apparatus through which coolant is directed from one zone of rotor in electrical machine to another zone of rotor when rotor rotates |
JP4311477B2 (en) * | 2007-05-11 | 2009-08-12 | トヨタ自動車株式会社 | Hybrid drive device |
DE102007061597B4 (en) * | 2007-12-20 | 2010-01-14 | Siemens Ag | Electric machine with double axial fan |
JP5565642B2 (en) * | 2010-03-24 | 2014-08-06 | アイシン・エィ・ダブリュ株式会社 | Rotor for rotating electrical machines |
FR2995833B1 (en) * | 2012-09-25 | 2015-08-07 | Valeo Equip Electr Moteur | HYBRID MODULE FOR A MOTOR VEHICLE TRANSMISSION ASSEMBLY |
DE102013200105A1 (en) * | 2012-10-09 | 2014-04-24 | Robert Bosch Gmbh | Cooling for frontal areas of a closed electric machine |
CN105871125A (en) * | 2015-01-21 | 2016-08-17 | 东方电气集团东方电机有限公司 | Rotary motor atomizing evaporative cooling system, motor and cooling method thereof |
FR3032654B1 (en) * | 2015-02-16 | 2018-05-25 | Valeo Embrayages | HYBRID MODULE FOR MOTOR VEHICLE |
FR3033098B1 (en) * | 2015-02-19 | 2018-04-13 | Valeo Equipements Electriques Moteur | ROTATING ELECTRIC MACHINE WITH OPTIMIZED COOLING |
KR101703595B1 (en) * | 2015-05-20 | 2017-02-07 | 현대자동차 주식회사 | Motor having cooling structure |
US11336138B2 (en) * | 2016-05-09 | 2022-05-17 | Borgwarner Inc. | Hybrid rotor module cooling |
DE102017001369A1 (en) * | 2017-02-14 | 2017-08-17 | Daimler Ag | Electrical machine, in particular for a motor vehicle |
-
2018
- 2018-04-17 DE DE102018109022.6A patent/DE102018109022A1/en not_active Withdrawn
-
2019
- 2019-03-22 CN CN201980026563.9A patent/CN112005472A/en active Pending
- 2019-03-22 WO PCT/DE2019/100273 patent/WO2019201376A1/en unknown
- 2019-03-22 DE DE112019001995.3T patent/DE112019001995A5/en active Pending
- 2019-03-22 EP EP19716287.8A patent/EP3782266A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014205380A1 (en) | 2013-04-19 | 2014-10-23 | Schaeffler Technologies Gmbh & Co. Kg | Cooling device and method for a rotor-integrated clutch for hybrid modules |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020107700A1 (en) | 2020-03-20 | 2021-09-23 | Schaeffler Technologies AG & Co. KG | Hybrid drive device with a fluid delivery device |
Also Published As
Publication number | Publication date |
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EP3782266A1 (en) | 2021-02-24 |
WO2019201376A1 (en) | 2019-10-24 |
CN112005472A (en) | 2020-11-27 |
DE112019001995A5 (en) | 2020-12-31 |
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