EP1807622A1 - Device for generating electrical energy for an agricultural or industrial commercial vehicle - Google Patents

Device for generating electrical energy for an agricultural or industrial commercial vehicle

Info

Publication number
EP1807622A1
EP1807622A1 EP05797040A EP05797040A EP1807622A1 EP 1807622 A1 EP1807622 A1 EP 1807622A1 EP 05797040 A EP05797040 A EP 05797040A EP 05797040 A EP05797040 A EP 05797040A EP 1807622 A1 EP1807622 A1 EP 1807622A1
Authority
EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
rotor
vehicle
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05797040A
Other languages
German (de)
French (fr)
Inventor
Nicolai Tarasinski
Joachim Sobotzik
Marco Reinards
Bernd Kneer
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP1807622A1 publication Critical patent/EP1807622A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • 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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/06—Engines with means for equalising torque
    • 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
    • H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/441—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/443—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/14—Emission reduction of noise
    • B60L2270/145—Structure borne vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
    • 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
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the invention relates to a device for generating electrical energy for an agricultural or industrial utility vehicle.
  • Such devices for generating electrical energy are known from the prior art, in particular in the form of alternators.
  • Alternators in motor vehicles are usually driven by a belt.
  • crankshaft generators or tempering machines, known, which are arranged in the drive train between the engine and vehicle transmission.
  • Such crankshaft generators are used inter alia as a starting engine.
  • An example of such a configuration is known from DE 32 30 607 C2, where the rotor or the rotor of this electric machine can form part of the flywheel of the internal combustion engine. Any occurring non-uniformities in the drive train are minimized by electromagnetic means by the alternator is operated so that it has a load torque, which counteracts the nonuniformities. Accordingly, the electrical machine provided there is not fully usable for the production of electrical energy during operation of the vehicle.
  • the present invention is therefore an object of the invention to provide a device of the type mentioned and further, by which the aforementioned problems are overcome.
  • an unrestricted Operation of the electric machine be possible and yet possibly occurring torque fluctuations in the drive train are at least largely suppressed.
  • the device according to the invention for generating electrical energy for an agricultural or industrial commercial vehicle comprises an electric machine which can be operated as a generator and is mechanically drivable by an internal combustion engine of the vehicle.
  • the electric machine has a stator and a rotor.
  • a mechanical torque generated by the internal combustion engine is transferable via a shaft to a transmission of the vehicle.
  • the rotor of the electric machine can be arranged rotatably on a flywheel or on an output shaft of the internal combustion engine.
  • the rotor is designed as a hollow rotor.
  • the shaft or torque transmitting member extends through the rotor.
  • a damper for damping mechanical torque fluctuations is provided between the engine and transmission.
  • the damper at least partially extend into this cavity, whereby space can be saved in an advantageous manner.
  • the individual components can be arranged in parallel with respect to the torque transmission from the internal combustion engine, namely, when both designed as a hollow rotor rotor of the electric machine and the damper is arranged non-rotatably at least with its one side of a housing on a flywheel of the engine. In that regard, non-uniformities can be minimized or suppressed in the drive train, wherein the electric machine can be used independently of the generation of electrical energy.
  • the damper has a torsional vibration damper.
  • a torsional vibration damper is a component which is preferably disposed between a motor and a driven shaft that may be connected to a transmission in a drive train, wherein any components may be provided between the torsional vibration damper and the motor and the driven shaft , Torsions ⁇ vibration dampers are known in a variety of designs and only for example, reference is made to DE 28 48 748.1. Therefore, a torsional vibration damper actually dampens torque fluctuations or torque peaks, for example by destroying mechanical energy or converting it into friction work.
  • the damper could have a torsional vibration damper which reduces torque fluctuations or torque peaks by converting them into antiphase oscillations.
  • the damper could be arranged non-rotatably at least with its one side of the housing on the flywheel or on the output shaft of the engine. With its other side of the housing then the damper would be rotatably mounted on the shaft, which is in communication with an input shaft of the transmission.
  • An attachment of a housing part of the damper on the flywheel can be realized structurally simple in a particularly advantageous manner, for example by means of screw.
  • stator of the electric machine could be arranged on the housing of the internal combustion engine. This is particularly useful when the rotor of the electric machine is rotatably mounted on the flywheel of the engine.
  • the internal combustion engine with attached electric machine can be mounted in or on a frame of the vehicle.
  • the trained in the form of a tractor vehicle is designed in a frame construction.
  • the internal combustion engine is attached to the frame of the vehicle and on the other hand that the transmission is attached to a different location of the frame. It is therefore not a block design of internal combustion engine and transmission, in which the transmission is directly attached to the engine housing, so to speak on the block. Accordingly, depending on the attachment of the engine and transmission on Vehicle frame of the internal combustion engine arranged movably relative to the transmission. If the relative movements between the transmission and the internal combustion engine exceed a certain threshold, it is advantageous if the shaft transmitting the mechanical torque between the internal combustion engine and the transmission has a propeller shaft.
  • the electric machine has an asynchronous machine or works according to the principle of an asynchronous machine.
  • At least one inverter or inverter could be provided. Since the electric current is generated by means of the electric machine operating as a generator, which is driven by the internal combustion engine of the vehicle and the internal combustion engine has a variable speed depending on the respective driving situation of the vehicle, the electrical alternating current generated by the generator has a variable frequency. For conversion of the variable frequency electrical alternating current into alternating electrical current of a predetermined, substantially constant frequency such an inverter could serve. With the inverter, the electrical alternating current of variable frequency generated by the electric generator could first be converted into direct current and then into alternating current of a predefinable frequency. With this alternating current then, for example, electrical components can be driven, which are preferably designed as an asynchronous motor.
  • a DC circuit is provided with at least one electrical storage.
  • This DC circuit is powered by the inverter and could serve as an intermediate circuit, so to speak, to which also direct electrical loads can be connected, which are operated with DC.
  • the electric storage could for example be in the form of a battery or appropriately sized capacitors.
  • At least one further inverter with which the direct current can be converted into an alternating current of a predefinable frequency or a predefinable profile of variable frequencies.
  • at least one electrical load can be operated, which is driven by alternating current.
  • the inverter and the further inverter as well as optionally further provided examelektronik ⁇ components could be spatially combined in a module.
  • space can be saved in an advantageous manner and a simple and quick installation is possible.
  • a modular design of the module is particularly possible if the module comprises a base on which the individual components are adapted.
  • means could be provided on the base body, by which the electrical components can be attached to the base plate.
  • Such means could be embodied, for example, in the form of bores and / or plug contacts.
  • the module and / or the base body is or are particularly preferably arranged in a water-cooled manner. This could be done, for example, such that the assembly of at least one side - for example, from the body - with water or other coolant can be cooled.
  • Cooling of the electronic components can be particularly cost-effective if the already existing cooling circuit of the vehicle is also used to cool the assembly. This could be done on a corresponding point of the cooling circuit of the vehicle branched off a connecting line and guided to the electronic components or to the main body.
  • the main body could in this case also have the function of a heat exchanger, which emits the heat to the coolant flowing through it, which then the cooling circuit of the vehicle - via another line - can be fed again.
  • the device according to the invention can be used in particular in an agricultural utility vehicle, in which the vehicle performs work in the field, preferably the assembly is protectable by a housing of environmental influences. These are above all protection against water, moisture, mud and dust.
  • the intended power electronics components and / or electrical consumers are designed like a module.
  • vehicle series of different performance classes can be inexpensively configured and mass-produced.
  • an inverter module could be provided with which an electrical power interface can be supplied.
  • an electrical power interface can be supplied.
  • This converter module could convert the DC current applied in a DC power network, for example, into alternating current of 220 V and 50 Hz.
  • the converter module could be controlled via a data interface such that a predefinable voltage and / or a predefinable frequency can be generated by the converter module.
  • This data interface could be in the form of a CAN bus (Controller Area Network), which, for example, depending on the present interface connection or the plug of the electrical consumer, the inverter module controlled such that an electrical supply in the current required for the consumer and possibly frequency is ensured.
  • CAN bus Controller Area Network
  • the drive train 10 includes an internal combustion engine 12, which has an output shaft 14, on which the flywheel 16 is arranged rotationally fixed.
  • An electric machine 18 designed in the form of an asynchronous machine is provided which has a rotor 20 and a stator 22.
  • the electric machine 18 is operable as a generator.
  • the rotor 20 of the electric machine 18 is over Screw 24 is rotatably connected to the flywheel 16.
  • the rotor 20 is designed as a hollow rotor, it is essentially an annular member. Accordingly, a shaft or a torque transmitting assembly may extend through the rotor 20. The shaft then serves to transmit the mechanical torque generated by the internal combustion engine 12 to a traction drive or to a transmission.
  • the damper 26 has a two-part housing.
  • the first housing part 28 of the damper 26 is fastened to the flywheel 16 by means of the connecting screws 30.
  • the second housing part 32 of the damper 26 is rotatably connected via the connecting bolts 34 to the flange 36 of the propeller shaft 38.
  • the first housing part 28 can be rotated relative to the second housing part 32 against a corresponding torsional predetermined characteristic curve, which is possible by the not shown in detail in the inner configuration of the torsional vibration damper 26. Since the engine 12 is connected to the transmission 40 via, among other things, the propeller shaft 38, the engine 12 may move relative to the transmission 40.
  • the internal combustion engine 12 generates a torque which is transmitted via the shaft 14, the flywheel 16, the damper 36 and the propeller shaft 38 to the transmission 40 and with which the transmission 40 is driven.
  • the transmission 40 is designed in the form of a power shift transmission with group gears.
  • the transmission 40 further includes a differential, which is not shown separately for the sake of simplicity, and which is in the transmission 40th input mechanical torque to the two drive wheels 42 each distributed over the shafts 44.
  • stator 22 of the electric machine 18 is mounted in a stator housing 46 directly on the housing of the internal combustion engine 12. This can also be done via screw, but this is not shown due to a clear representation.
  • both the rotor 20 of the electric machine 18 and the damper 26 are arranged rotationally fixed on the flywheel 16 directly. Accordingly, with regard to the torque balance of the mechanical load, the electric machine 18 is arranged parallel to the mechanical traction drive or to the damper 26.

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Abstract

The invention relates to a device for generating electrical energy for an agricultural or industrial commercial vehicle, comprising an electrical machine (18) which may be operated as a generator, which may be mechanically driven by an internal combustion engine (12) on the vehicle and which comprises a stator (22) and a rotor (20). A mechanical torque generated by the internal combustion engine (12) may be transmitted by a shaft (14, 38) to a gearbox (40) on the vehicle. The rotor (20) of the electrical machine (18) is fixed to a flywheel (16) or an output shaft (14) of the internal combustion engine (12). The rotor (20) has a hollow armature embodiment and the shaft (14, 26, 38) runs through the rotor (20). A damper (26) is provided between the internal combustion engine (12) and gearbox (40) for damping mechanical torque variations.

Description

Vorrichtung zum Erzeugen elektrischer Energie für ein landwirtschaftliches oder industrielles Nutzfahrzeug Device for generating electrical energy for an agricultural or industrial utility vehicle
Die Erfindung betrifft eine Vorrichtung zum Erzeugen elektrischer Energie für ein landwirtschaftliches oder industrielles Nutzfahrzeug.The invention relates to a device for generating electrical energy for an agricultural or industrial utility vehicle.
Solche Vorrichtungen zum Erzeugen elektrischer Energie sind aus dem Stand der Technik insbesondere in Form von Lichtmaschinen bekannt. Lichtmaschinen werden in Kraftfahrzeugen üblicherweise über einen Riemen angetrieben.Such devices for generating electrical energy are known from the prior art, in particular in the form of alternators. Alternators in motor vehicles are usually driven by a belt.
Es sind auch mechanisch direkt angetriebene elektrische Generatoren, sogenannte Kurbelwellengeneratoren oder Anlasslichtmaschinen, bekannt, welche im Antriebsstrang zwischen Verbrennungsmotor und Fahrzeuggetriebe angeordnet sind. Solche Kurbelwellengeneratoren werden unter anderem als Anlasslichtmaschine verwendet. Ein Beispiel einer solchen Konfiguration ist aus der DE 32 30 607 C2 bekannt, wo der Läufer bzw. der Rotor dieser elektrischen Maschine ein Bestandteil des Schwungrads der Brennkraftmaschine bilden kann. Eventuell auftretende Ungleichförmigkeiten im Antriebsstrang werden auf elektromagnetischen Weg minimiert, indem die Lichtmaschine derart betrieben wird, dass sie ein Lastmoment aufweist, welches den Ungleichförmigkeiten entgegenwirkt. Dementsprechend ist die dort vorgesehene elektrische Maschine während des laufenden Betriebs des Fahrzeugs nicht uneingeschränkt zur Erzeugung elektrischer Energie nutzbar.There are also mechanically directly driven electric generators, so-called crankshaft generators or tempering machines, known, which are arranged in the drive train between the engine and vehicle transmission. Such crankshaft generators are used inter alia as a starting engine. An example of such a configuration is known from DE 32 30 607 C2, where the rotor or the rotor of this electric machine can form part of the flywheel of the internal combustion engine. Any occurring non-uniformities in the drive train are minimized by electromagnetic means by the alternator is operated so that it has a load torque, which counteracts the nonuniformities. Accordingly, the electrical machine provided there is not fully usable for the production of electrical energy during operation of the vehicle.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art anzugeben und weiterzubilden, durch welches die vorgenannten Probleme überwunden werden. Insbesondere soll ein uneingeschränkter Betrieb der elektrischen Maschine möglich sein und dennoch evtl. auftretende Drehmomentschwankungen im Antriebssträng zumindest weitgehend unterdrückt werden.The present invention is therefore an object of the invention to provide a device of the type mentioned and further, by which the aforementioned problems are overcome. In particular, an unrestricted Operation of the electric machine be possible and yet possibly occurring torque fluctuations in the drive train are at least largely suppressed.
Die Aufgabe wird erfindungsgemäß durch die Lehre des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor.The object is achieved by the teaching of claim 1. Further advantageous embodiments and modifications of the invention will become apparent from the dependent claims.
Die erfindungsgemäße Vorrichtung zum Erzeugen elektrischer Energie für ein landwirtschaftliches oder industrielles Nutzfahrzeug umfasst eine als Generator betreibbare elektrische Maschine, die von einem Verbrennungsmotor des Fahrzeugs mechanisch antreibbar ist. Die elektrische Maschine weist einen Stator und einen Rotor auf. Ein vom Verbrennungsmotor erzeugtes mechanisches Drehmoment ist über eine Welle auf ein Getriebe des Fahrzeugs übertragbar. Der Rotor der elektrischen Maschine ist an einem Schwungrad oder an einer Ausgangswelle des Verbrennungsmotors drehfest anordenbar. Der Rotor ist als Hohlläufer ausgebildet. Die Welle oder ein ein Drehmoment übertragendes Bauteil erstreckt sich durch den Rotor. Ein Dämpfer zur Dämpfung mechanischer Drehmomentschwankungen ist zwischen Verbrennungsmotor und Getriebe vorgesehenen.The device according to the invention for generating electrical energy for an agricultural or industrial commercial vehicle comprises an electric machine which can be operated as a generator and is mechanically drivable by an internal combustion engine of the vehicle. The electric machine has a stator and a rotor. A mechanical torque generated by the internal combustion engine is transferable via a shaft to a transmission of the vehicle. The rotor of the electric machine can be arranged rotatably on a flywheel or on an output shaft of the internal combustion engine. The rotor is designed as a hollow rotor. The shaft or torque transmitting member extends through the rotor. A damper for damping mechanical torque fluctuations is provided between the engine and transmission.
In erfindungsgemäßer Weise ist zunächst erkannt worden, dass allein aufgrund der Anordnung der einzelnen Komponenten Bauraum gespart werden kann bzw. der Antriebsstrang kompakter gebaut werden kann und dennoch die volle Funktionalität der einzelnen Komponenten und/oder der Gesamtanordnung zur Verfügung gestellt werden kann. So kann die entsprechend ausgelegte elektrische Maschine unmittelbar mechanisch angetrieben eine vorgebbare hohe elektrische Leistung erzeugen, ohne Verlustleistungen aufgrund eines Riemenantriebs in Kauf nehmen zu müssen. Auch müssen mit der elektrischen Maschine nicht die mechanischen Drehmomentschwankungen im Antriebsstrang - insbesondere zwischen Verbrennungsmotor und Getriebe - unterdrückt werden, da hierzu eigens ein Dämpfer vorgesehen ist. Somit ergibt sich letztendlich ein erhöhter Fahrkomfort im Fahrzeug. Da der Rotor der elektrischen Maschine in Form eines Hohlläufers ausgebildet ist, kann beispielsweise der Dämpfer zumindest teilweise sich in diesen Hohlraum erstrecken, wodurch in vorteilhafter Weise Bauraum eingespart werden kann. Die einzelnen Bauteile können bezüglich der Drehmomentübertragung vom Verbrennungsmotor aus gesehen parallel angeordnet sein, nämlich dann, wenn sowohl der als Hohlläufer ausgebildete Rotor der elektrischen Maschine als auch der Dämpfer zumindest mit seiner einen Gehäuseseite an einem Schwungrad des Verbrennungsmotors drehfest angeordnet ist. Insoweit können in dem Antriebsstrang Ungleichförmigkeiten minimiert bzw. unterdrückt werden, wobei die elektrische Maschine unabhängig davon zur Erzeugung elektrischer Energie genutzt werden kann.In accordance with the invention, it has first been recognized that space can be saved solely because of the arrangement of the individual components, or that the drive train can be made more compact and yet the full functionality of the individual components and / or the overall arrangement can be made available. Thus, the correspondingly designed electric machine directly mechanically driven generate a predetermined high electrical power, without having to accept losses due to a belt drive in purchasing. Also, with the electric machine does not have the mechanical torque fluctuations in the Powertrain - especially between the engine and transmission - are suppressed, as this purpose, a damper is provided. This ultimately results in increased ride comfort in the vehicle. Since the rotor of the electric machine is designed in the form of a hollow rotor, for example, the damper at least partially extend into this cavity, whereby space can be saved in an advantageous manner. The individual components can be arranged in parallel with respect to the torque transmission from the internal combustion engine, namely, when both designed as a hollow rotor rotor of the electric machine and the damper is arranged non-rotatably at least with its one side of a housing on a flywheel of the engine. In that regard, non-uniformities can be minimized or suppressed in the drive train, wherein the electric machine can be used independently of the generation of electrical energy.
Ganz besonders bevorzugt ist vorgesehen, dass der Dämpfer einen Torsionsschwingungsdämpfer aufweist. Bei einem Torsionsschwingungsdämpfer handelt es sich um ein Bauelement, das vorzugsweise zwischen einem Motor und einer anzutreibenden Welle, die mit einem Getriebe verbunden sein kann, in einem Antriebsstrang angeordnet ist, wobei beliebige Bauteile zwischen dem Torsionsschwingungsdämpfer und dem Motor sowie der anzutreibenden Welle vorgesehen sein können. Torsions¬ schwingungsdämpfer sind in einer Vielzahl von Ausführungen bekannt und lediglich beispielhaft wird auf DE 28 48 748.1 verwiesen. Ein Torsionsschwingungsdämpfer dämpft daher Drehmomentschwankungen bzw. Drehmomentspitzen tatsächlich ab, indem er beispielsweise mechanische Energie vernichtet bzw. in Reibungsarbeit umwandelt. Im Gegensatz hierzu und daher weniger bevorzugt könnte der Dämpfer einen Torsionsschwingungstilger aufweisen, welcher Drehmoment¬ schwankungen bzw. Drehmomentspitzen dadurch verringert, dass er diese in gegenphasige Schwingungen umwandelt. Nun könnte der Dämpfer zumindest mit seiner einen Gehäuseseite an dem Schwungrad oder an der Ausgangswelle des Verbrennungsmotors drehfest angeordnet sein. Mit seiner anderen Gehäuseseite wäre dann der Dämpfer an der Welle drehfest anzuordnen, welche mit einer Eingangswelle des Getriebes in Verbindung steht. Eine Befestigung des einen Gehäuseteils des Dämpfers an dem Schwungrad kann in ganz besonders vorteilhafter Weise konstruktiv einfach realisiert werden, beispielsweise mittels Schraubverbindungen.Most preferably, it is provided that the damper has a torsional vibration damper. A torsional vibration damper is a component which is preferably disposed between a motor and a driven shaft that may be connected to a transmission in a drive train, wherein any components may be provided between the torsional vibration damper and the motor and the driven shaft , Torsions¬ vibration dampers are known in a variety of designs and only for example, reference is made to DE 28 48 748.1. Therefore, a torsional vibration damper actually dampens torque fluctuations or torque peaks, for example by destroying mechanical energy or converting it into friction work. In contrast, and therefore less preferred, the damper could have a torsional vibration damper which reduces torque fluctuations or torque peaks by converting them into antiphase oscillations. Now, the damper could be arranged non-rotatably at least with its one side of the housing on the flywheel or on the output shaft of the engine. With its other side of the housing then the damper would be rotatably mounted on the shaft, which is in communication with an input shaft of the transmission. An attachment of a housing part of the damper on the flywheel can be realized structurally simple in a particularly advantageous manner, for example by means of screw.
Wie bereits angedeutet, kann in ganz besonders vorteilhafter Weise Bauraum dann eingespart werden, wenn der Dämpfer zumindest teilweise innerhalb des Rotors der elektrischen Maschine angeordnet ist oder sich zumindest teilweise in den Rotor hinein erstreckt. Letztendlich ist hierdurch auch in besonders vorteilhafter Weise eine modulare Bauweise möglich.As already indicated, space can be saved in a particularly advantageous manner, if the damper is at least partially disposed within the rotor of the electric machine or extends at least partially into the rotor. Ultimately, this is also possible in a particularly advantageous manner, a modular design.
Im Konkreten könnte der Stator der elektrischen Maschine am Gehäuse des Verbrennungsmotors angeordnet sein. Dies bietet sich insbesondere dann an, wenn der Rotor der elektrischen Maschine an dem Schwungrad des Verbrennungsmotors drehfest angeordnet ist. Bevorzugt ist der Verbrennungsmotor mit angebauter elektrischen Maschine in bzw. an einen Rahmen des Fahrzeugs anbaubar.Specifically, the stator of the electric machine could be arranged on the housing of the internal combustion engine. This is particularly useful when the rotor of the electric machine is rotatably mounted on the flywheel of the engine. Preferably, the internal combustion engine with attached electric machine can be mounted in or on a frame of the vehicle.
In einer ganz besonders bevorzugten konkreten Ausführungsform ist das in Form eines Traktors ausgebildete Fahrzeug in einer Rahmenbauweise ausgeführt. Hierunter ist insbesondere zu verstehen, dass einerseits der Verbrennungsmotor an dem Rahmen des Fahrzeugs befestigt ist und andererseits dass das Getriebe an einer anderen Stelle des Rahmens befestigt ist. Es handelt sich also hierbei nicht um eine Blockbauweise von Verbrennungsmotor und Getriebe, bei welcher das Getriebe unmittelbar an dem Verbrennungsmotorgehäuse, sozusagen am Block, befestigt ist. Dementsprechend ist in Abhängigkeit der Befestigung von Verbrennungsmotor und Getriebe am Fahrzeugrahmen der Verbrennungsmotor relativ zum Getriebe beweglich angeordnet. Falls die Relativbewegungen zwischen Getriebe und Verbrennungsmotor eine bestimmte Schwelle überschreiten, ist es von Vorteil, wenn die das mechanische Drehmoment zwischen Verbrennungsmotor und Getriebe übertragende Welle eine Gelenkwelle aufweist.In a most preferred specific embodiment, the trained in the form of a tractor vehicle is designed in a frame construction. This is to be understood in particular that on the one hand, the internal combustion engine is attached to the frame of the vehicle and on the other hand that the transmission is attached to a different location of the frame. It is therefore not a block design of internal combustion engine and transmission, in which the transmission is directly attached to the engine housing, so to speak on the block. Accordingly, depending on the attachment of the engine and transmission on Vehicle frame of the internal combustion engine arranged movably relative to the transmission. If the relative movements between the transmission and the internal combustion engine exceed a certain threshold, it is advantageous if the shaft transmitting the mechanical torque between the internal combustion engine and the transmission has a propeller shaft.
Ganz besonders bevorzugt ist vorgesehen, dass die elektrische Maschine eine Asynchronmaschine aufweist beziehungsweise nach dem Prinzip einer Asynchronmaschine arbeitet.Most preferably, it is provided that the electric machine has an asynchronous machine or works according to the principle of an asynchronous machine.
In einer bevorzugten Ausführungsform könnte mindestens ein Wechselrichter bzw. Umrichter vorgesehen sein. Da der elektrische Strom mit Hilfe der als Generators arbeitenden elektrischen Maschine erzeugt wird, welche vom Verbrennungsmotor des Fahrzeugs angetrieben wird und der Verbrennungsmotor in Abhängigkeit der jeweiligen Fahrsituation des Fahrzeugs eine variable Drehzahl aufweist, weist der von dem Generator erzeugte elektrische Wechselstrom eine variable Frequenz auf. Zur Umwandlung des elektrischen Wechselstroms variabler Frequenz in elektrischen Wechselstrom einer vorgegebenen, im Wesentlichen konstanten Frequenz könnte ein solcher Wechselrichter dienen. Mit dem Wechselrichter könnte der von dem elektrischen Generator erzeugte elektrische Wechselstrom veränderbarer Frequenz zunächst in Gleichstrom und dann in Wechselstrom einer vorgebbaren Frequenz umgewandelt werden. Mit diesem Wechselstrom können dann beispielsweise elektrische Komponenten angetrieben werden, die vorzugsweise als Asynchronmotor ausgeführt sind. Bevorzugt ist ein Gleichstromkreis mit mindestens einem elektrischen Speicher vorgesehen. Dieser Gleichstromkreis wird von dem Wechselrichter gespeist und könnte sozusagen als Zwischenstromkreis dienen, an welchen auch unmittelbar elektrische Verbraucher angeschlossen werden können, welche mit Gleichstrom betrieben werden. Der elektrische Speicher könnte beispielsweise in Form einer Batterie oder entsprechend dimensionierter Kondensatoren ausgeführt sein.In a preferred embodiment, at least one inverter or inverter could be provided. Since the electric current is generated by means of the electric machine operating as a generator, which is driven by the internal combustion engine of the vehicle and the internal combustion engine has a variable speed depending on the respective driving situation of the vehicle, the electrical alternating current generated by the generator has a variable frequency. For conversion of the variable frequency electrical alternating current into alternating electrical current of a predetermined, substantially constant frequency such an inverter could serve. With the inverter, the electrical alternating current of variable frequency generated by the electric generator could first be converted into direct current and then into alternating current of a predefinable frequency. With this alternating current then, for example, electrical components can be driven, which are preferably designed as an asynchronous motor. Preferably, a DC circuit is provided with at least one electrical storage. This DC circuit is powered by the inverter and could serve as an intermediate circuit, so to speak, to which also direct electrical loads can be connected, which are operated with DC. The electric storage could for example be in the form of a battery or appropriately sized capacitors.
Ebenfalls ganz besonders bevorzugt ist mindestens ein weiterer Wechselrichter vorgesehen, mit welchem der Gleichstrom in einen Wechselstrom einer vorgebbaren Frequenz oder einen vorgebbaren Verlauf variabler Frequenzen umwandelbar ist. Hiermit kann beispielsweise mindestens ein elektrischer Verbraucher betrieben werden, welcher mit Wechselstrom angetrieben wird.It is also very particularly preferred to provide at least one further inverter with which the direct current can be converted into an alternating current of a predefinable frequency or a predefinable profile of variable frequencies. Hereby, for example, at least one electrical load can be operated, which is driven by alternating current.
Nun könnten der Wechselrichter und der weitere Wechselrichter sowie gegebenenfalls weitere vorgesehene Leistungselektronik¬ komponenten in einer Baugruppe räumlich zusammengefasst sein. Hierdurch kann in vorteilhafter Weise ebenfalls Bauraum gespart werden und eine einfache und schnelle Montage ist möglich. Eine modulare Bauweise der Baugruppe ist insbesondere dann möglich, wenn die Baugruppe einen Grundkörper umfasst, auf welchem die einzelnen Komponenten adaptiert werden. Hierzu könnten Mittel am Grundkörper vorgesehen sein, durch welche die elektrischen Komponenten an der Grundplatte befestigt werden können. Solche Mittel könnten beispielsweise in Form von Bohrungen und/oder Steckkontakten ausgeführt sein.Now, the inverter and the further inverter as well as optionally further provided Leistungselektronik¬ components could be spatially combined in a module. As a result, space can be saved in an advantageous manner and a simple and quick installation is possible. A modular design of the module is particularly possible if the module comprises a base on which the individual components are adapted. For this purpose, means could be provided on the base body, by which the electrical components can be attached to the base plate. Such means could be embodied, for example, in the form of bores and / or plug contacts.
Damit während des Betriebs des Fahrzeugs eine ausreichende Kühlung der Leistungselektronikkomponenten gewährleistet ist, ist bzw. sind besonders bevorzugt die Baugruppe und/oder der Grundkörper wassergekühlt angeordnet. Dies könnte beispielsweise derart erfolgen, dass die Baugruppe von mindestens einer Seite her - beispielsweise vom Grundkörper - mit Wasser oder einem sonstigen Kühlmittel kühlbar ist.In order to ensure sufficient cooling of the power electronic components during operation of the vehicle, the module and / or the base body is or are particularly preferably arranged in a water-cooled manner. This could be done, for example, such that the assembly of at least one side - for example, from the body - with water or other coolant can be cooled.
Ganz besonders kostengünstig kann eine Kühlung der elektronischen Komponenten dann erfolgen, wenn der sowieso schon vorhandene Kühlkreislauf des Fahrzeugs auch zur Kühlung der Baugruppe genutzt wird. Hierzu könnte an einer entsprechenden Stelle des Kühlkreislaufs des Fahrzeugs eine Verbindungsleitung abgezweigt und zu den elektronischen Komponenten beziehungsweise zu dem Grundkörper geführt werden. Der Grundkörper könnte in diesem Fall auch die Funktion eines Wärmetauschers aufweisen, der die Wärme an das ihn durchfließende Kühlmittel abgibt, was dann dem Kühlkreislauf des Fahrzeugs - über eine weitere Leitung - wieder zugeführt werden kann.Cooling of the electronic components can be particularly cost-effective if the already existing cooling circuit of the vehicle is also used to cool the assembly. This could be done on a corresponding point of the cooling circuit of the vehicle branched off a connecting line and guided to the electronic components or to the main body. The main body could in this case also have the function of a heat exchanger, which emits the heat to the coolant flowing through it, which then the cooling circuit of the vehicle - via another line - can be fed again.
Damit die erfindungsgemäße Vorrichtung insbesondere in einem landwirtschaftlichen Nutzfahrzeug eingesetzt werden kann, bei welchem das Fahrzeug im Gelände Arbeit verrichtet, ist vorzugsweise die Baugruppe durch ein Gehäuse von Umwelteinflüssen schützbar. Hierbei handelt es sich vor allem um Schutz vor Wasser, Feuchtigkeit, Schlamm und Staub.So that the device according to the invention can be used in particular in an agricultural utility vehicle, in which the vehicle performs work in the field, preferably the assembly is protectable by a housing of environmental influences. These are above all protection against water, moisture, mud and dust.
In einer weiter bevorzugten Ausführungsform sind die vorgesehenen Leistungselektronikkomponenten und/oder elektrischen Verbraucher modulartig ausgebildet. Hierdurch können Fahrzeugbaureihen unterschiedlicher Leistungsklassen kostengünstig konfiguriert und in Serie produziert werden.In a further preferred embodiment, the intended power electronics components and / or electrical consumers are designed like a module. As a result, vehicle series of different performance classes can be inexpensively configured and mass-produced.
Zur Versorgung mindestens eines externen elektrischen Verbrauchers könnte ein Umrichtermodul vorgesehen sein, mit welchem eine elektrische Leistungsschnittstelle versorgbar ist. An die elektrische Leistungsschnittstelle - beispielsweise in Form einer Steckdose ausgeführt - ist der elektrische Verbraucher anschließbar. Dieses Umrichtermodul könnte den in einem Gleichspannungsnetz anliegenden Gleichstrom beispielsweise in Wechselstrom von 220 V und 50 Hz umwandeln.To supply at least one external electrical consumer, an inverter module could be provided with which an electrical power interface can be supplied. To the electrical power interface - running example, in the form of a socket - the electrical consumer is connected. This converter module could convert the DC current applied in a DC power network, for example, into alternating current of 220 V and 50 Hz.
In diesem Zusammenhang könnte das Umrichtermodul über eine Datenschnittstelle derart angesteuert werden, dass von dem Umrichtermodul eine vorgebbare Spannung und/oder eine vorgebbare Frequenz erzeugbar ist. Diese Datenschnittstelle könnte in Form eines CAN-Bus (Controller-Area-Network) ausgeführt sein, welche beispielsweise in Abhängigkeit der vorliegenden Schnittstellenverbindung oder des Steckers des elektrischen Verbrauchers das Umrichtermodul derart angesteuert, dass eine elektrische Versorgung in der für den Verbraucher erforderlichen Stromart und ggf. Frequenz sichergestellt ist.In this context, the converter module could be controlled via a data interface such that a predefinable voltage and / or a predefinable frequency can be generated by the converter module. This data interface could be in the form of a CAN bus (Controller Area Network), which, for example, depending on the present interface connection or the plug of the electrical consumer, the inverter module controlled such that an electrical supply in the current required for the consumer and possibly frequency is ensured.
Es gibt nun verschiedene Möglichkeiten, die Lehre der vorliegenden Erfindung in vorteilhafter Weise auszugestalten und weiterzubilden. Dazu ist einerseits auf die dem Patentanspruch 1 nachgeordneten Patentansprüche und andererseits auf die nachfolgende Erläuterung des bevorzugten Ausführungsbeispiels der Erfindung anhand der Zeichnung zu verweisen. In Verbindung mit der Erläuterung des bevorzugten Ausführungsbeispiels der Erfindung anhand der Zeichnung werden auch im Allgemeinen bevorzugte Ausgestaltungen und Weiterbildungen der Lehre erläutert. In der Zeichnung zeigt die einzigeThere are now various possibilities for designing and developing the teaching of the present invention in an advantageous manner. For this purpose, on the one hand to the claims subordinate to claim 1 and on the other hand to refer to the following explanation of the preferred embodiment of the invention with reference to the drawings. In conjunction with the explanation of the preferred embodiment of the invention with reference to the drawing, generally preferred embodiments and developments of the teaching are explained. In the drawing shows the only one
Fig. in einer schematischen Darstellung einFig. In a schematic representation of a
Ausführungsbeispiel der vorliegenden Erfindung.Embodiment of the present invention.
In der einzigen Fig. ist mit dem Bezugszeichen 10 der Antriebsstrang für ein in der Fig. nicht gezeigtes landwirtschaftliches Nutzfahrzeug gezeigt. Der Antriebssträng 10 umfasst einen Verbrennungsmotor 12, der eine Ausgangswelle 14 aufweist, an welcher die Schwungscheibe 16 drehfest angeordnet ist. Es ist eine in Form einer Asynchronmaschine ausgebildete elektrische Maschine 18 vorgesehen, welche einen Rotor 20 und einen Stator 22 aufweist. Die elektrische Maschine 18 ist als Generator betreibbar. Hierzu wird - eine entsprechende Beschaltung der elektrischen Maschine 18 vorausgesetzt - der Rotor 20 über die Welle 14 und das Schwungrad 16 vom Verbrennungsmotor 12 mechanisch angetrieben. Der Rotor 20 der elektrischen Maschine 18 ist über Schraubverbindungen 24 mit der Schwungscheibe 16 drehfest verbunden. Der Rotor 20 ist als Hohlläufer ausgebildet, es handelt sich im Wesentlichen um ein ringförmiges Bauteil. Dementsprechend kann sich durch den Rotor 20 eine Welle oder eine ein Drehmoment übertragende Baugruppe erstrecken. Die Welle dient dann zur Übertragung des vom Verbrennungsmotor 12 erzeugten mechanischen Drehmoments an einen Fahrantrieb bzw. an ein Getriebe.In the single FIG. 10, the drive train for an agricultural utility vehicle, not shown in the figure, is shown. The drive train 10 includes an internal combustion engine 12, which has an output shaft 14, on which the flywheel 16 is arranged rotationally fixed. An electric machine 18 designed in the form of an asynchronous machine is provided which has a rotor 20 and a stator 22. The electric machine 18 is operable as a generator. For this purpose - assuming a corresponding wiring of the electric machine 18 - the rotor 20 via the shaft 14 and the flywheel 16 mechanically driven by the engine 12. The rotor 20 of the electric machine 18 is over Screw 24 is rotatably connected to the flywheel 16. The rotor 20 is designed as a hollow rotor, it is essentially an annular member. Accordingly, a shaft or a torque transmitting assembly may extend through the rotor 20. The shaft then serves to transmit the mechanical torque generated by the internal combustion engine 12 to a traction drive or to a transmission.
Es ist ein in Form eines Torsionsschwingungsdämpfers ausgebildeter Dämpfer 26 vorgesehen, mit welchem DrehmomentSchwankungen bzw. Drehmomentspitzen im Antriebssträng 10 unterdrückt werden können. Lediglich schematisch ist angedeutet, dass der Dämpfer 26 ein zweiteilig ausgebildetes Gehäuse aufweist. Das erste Gehäuseteil 28 des Dämpfers 26 ist mittels den Verbindungsschrauben 30 an der Schwungscheibe 16 befestigt. Das zweite Gehäuseteil 32 des Dämpfers 26 ist über die Verbindungsschrauben 34 an dem Flansch 36 der Gelenkwelle 38 drehfest verbunden. Das erste Gehäuseteil 28 kann gegenüber dem zweiten Gehäuseteil 32 gegen eine entsprechende Torsionskraft vorgebbarer Kennlinie verdreht werden, welche durch die in der Figur nicht näher gezeigte innere Ausgestaltung des Torsionsschwingungsdämpfers 26 möglich ist. Da der Verbrennungsmotor 12 mit dem Getriebe 40 unter anderem über die Gelenkwelle 38 verbunden ist, kann der Verbrennungsmotor 12 sich relativ zum Getriebe 40 bewegen.It is provided in the form of a torsional vibration damper formed damper 26, with which torque fluctuations or torque peaks in the drive train 10 can be suppressed. Only schematically, it is indicated that the damper 26 has a two-part housing. The first housing part 28 of the damper 26 is fastened to the flywheel 16 by means of the connecting screws 30. The second housing part 32 of the damper 26 is rotatably connected via the connecting bolts 34 to the flange 36 of the propeller shaft 38. The first housing part 28 can be rotated relative to the second housing part 32 against a corresponding torsional predetermined characteristic curve, which is possible by the not shown in detail in the inner configuration of the torsional vibration damper 26. Since the engine 12 is connected to the transmission 40 via, among other things, the propeller shaft 38, the engine 12 may move relative to the transmission 40.
Der Verbrennungsmotor 12 erzeugt ein Drehmoment, das über die Welle 14, das Schwungrad 16, den Dämpfer 36 und über die Gelenkwelle 38 auf das Getriebe 40 übertragen wird und mit welchem das Getriebe 40 angetrieben wird. Das Getriebe 40 ist in Form eines Lastschaltgetriebes mit Gruppengängen ausgebildet. Das Getriebe 40 umfasst des Weiteren ein Differenzial, welches lediglich der Einfachheit halber nicht separat eingezeichnet ist und welches das in das Getriebe 40 eingegebene mechanische Drehmoment auf die beiden Antriebsräder 42 jeweils über die Wellen 44 verteilt.The internal combustion engine 12 generates a torque which is transmitted via the shaft 14, the flywheel 16, the damper 36 and the propeller shaft 38 to the transmission 40 and with which the transmission 40 is driven. The transmission 40 is designed in the form of a power shift transmission with group gears. The transmission 40 further includes a differential, which is not shown separately for the sake of simplicity, and which is in the transmission 40th input mechanical torque to the two drive wheels 42 each distributed over the shafts 44.
Lediglich schematisch ist angedeutet, dass der Stator 22 der elektrischen Maschine 18 in einem Statorgehäuse 46 unmittelbar am Gehäuse des Verbrennungsmotors 12 befestigt ist. Dies kann ebenfalls über Schraubverbindungen erfolgen, was jedoch aufgrund einer deutlichen Darstellung nicht eingezeichnet ist.Only schematically, it is indicated that the stator 22 of the electric machine 18 is mounted in a stator housing 46 directly on the housing of the internal combustion engine 12. This can also be done via screw, but this is not shown due to a clear representation.
Es sei noch einmal an dieser Stelle betont, dass bei dem in der einzigen Figur gezeigten Ausführungsbeispiel sowohl der Rotor 20 der elektrischen Maschine 18 als auch der Dämpfer 26 unmittelbar an der Schwungscheibe 16 drehfest angeordnet sind. Dementsprechend ist bezüglich der Drehmomentbilanz der mechanischen Verbraucher die elektrische Maschine 18 parallel zum mechanischen Fahrantrieb bzw. zum Dämpfer 26 angeordnet.It should again be emphasized at this point that in the embodiment shown in the single figure, both the rotor 20 of the electric machine 18 and the damper 26 are arranged rotationally fixed on the flywheel 16 directly. Accordingly, with regard to the torque balance of the mechanical load, the electric machine 18 is arranged parallel to the mechanical traction drive or to the damper 26.
Abschließend sei ganz besonders darauf hingewiesen, dass das voranstehend erörterte Ausführungsbeispiel lediglich zur Beschreibung der beanspruchten Lehre dient, dieses jedoch nicht auf das Ausführungsbeispiel einschränken. Finally, it should be particularly noted that the above-discussed embodiment is merely for the description of the claimed teaching, but this is not limited to the embodiment.

Claims

Patentansprüche claims
1. Vorrichtung zum Erzeugen elektrischer Energie für ein landwirtschaftliches oder industrielles Nutzfahrzeug, mit einer als Generator betreibbaren elektrischen Maschine (18), welche von einem Verbrennungsmotor (12) des Fahrzeugs mechanisch antreibbar ist und welche einen Stator (22) und einen Rotor (20) aufweist, wobei ein vom Verbrennungsmotor (12) erzeugtes mechanisches Drehmoment über eine Welle (14,38) auf ein Getriebe (40) des Fahrzeugs übertragbar ist, wobei der Rotor (20) der elektrischen Maschine (18) an einem Schwungrad (16) oder an einer Ausgangswelle (14) des Verbrennungsmotors (12) drehfest anordenbar ist, wobei der Rotor (20) als Hohlläufer ausgebildet ist und die Welle (14, 26, 38) sich durch den Rotor (20) erstreckt und wobei ein Dämpfer (26) zur Dämpfung mechanischer Drehmomentschwankungen zwischen Verbrennungsmotor (12) und Getriebe (40) vorgesehenen ist.1. A device for generating electrical energy for an agricultural or industrial commercial vehicle, with an electric machine (18) operable as a generator, which is mechanically drivable by an internal combustion engine (12) of the vehicle and which has a stator (22) and a rotor (20). wherein a mechanical torque generated by the internal combustion engine (12) via a shaft (14,38) on a transmission (40) of the vehicle is transferable, wherein the rotor (20) of the electric machine (18) on a flywheel (16) or on an output shaft (14) of the internal combustion engine (12) is rotatably arranged, wherein the rotor (20) is designed as a hollow rotor and the shaft (14, 26, 38) extends through the rotor (20) and wherein a damper (26) is provided for damping mechanical torque fluctuations between the internal combustion engine (12) and transmission (40).
2. Vorrichtung nach Anspruch 1, wobei der Dämpfer (26) einen Torsionsschwingungsdämpfer aufweist.2. Device according to claim 1, wherein the damper (26) comprises a torsional vibration damper.
3. Vorrichtung nach Anspruch 1 oder 2, wobei der Dämpfer3. Device according to claim 1 or 2, wherein the damper
(26) an dem Schwungrad (16) oder an der Ausgangswelle (14) des Verbrennungsmotors (12) drehfest angeordnet ist.(26) on the flywheel (16) or on the output shaft (14) of the internal combustion engine (12) is arranged rotationally fixed.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei der Dämpfer (26) zumindest teilweise innerhalb des Rotors (20) der elektrischen Maschine (18) angeordnet ist. 4. Device according to one of claims 1 to 3, wherein the damper (26) at least partially within the rotor (20) of the electrical machine (18) is arranged.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, wobei der Stator (22) der elektrischen Maschine (18) am Gehäuse des Verbrennungsmotors (12) angeordnet ist.5. Device according to one of claims 1 to 4, wherein the stator (22) of the electric machine (18) on the housing of the internal combustion engine (12) is arranged.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, wobei der Verbrennungsmotor (12) mit angebauter elektrischen Maschine (18) an einen Rahmen des Fahrzeugs anbaubar ist.6. Device according to one of claims 1 to 5, wherein the internal combustion engine (12) with mounted electric machine (18) is attachable to a frame of the vehicle.
7. Vorrichtung nach einem der Ansprüche 1 bis 6, wobei der Verbrennungsmotor (12) relativ zum Getriebe (40) beweglich angeordnet ist.7. Device according to one of claims 1 to 6, wherein the internal combustion engine (12) is arranged to be movable relative to the transmission (40).
8. Vorrichtung nach einem der Ansprüche 1 bis 7, wobei die das mechanische Drehmoment zwischen Verbrennungsmotor (12) und Getriebe (40) übertragende Welle (38) eine Gelenkwelle aufweist.8. Device according to one of claims 1 to 7, wherein the mechanical torque between the internal combustion engine (12) and transmission (40) transmitting shaft (38) has a propeller shaft.
9. Vorrichtung nach einem der Ansprüche 1 bis 8, wobei die elektrische Maschine (18) eine Asynchronmaschine aufweist.9. Device according to one of claims 1 to 8, wherein the electrical machine (18) comprises an asynchronous machine.
10. Vorrichtung nach einem der Ansprüche 1 bis 9, wobei mindestens ein Wechselrichter vorgesehen ist, mit welchem der von der elektrischen Maschine (18) erzeugte elektrische Wechselstrom variabler Frequenz zu Gleichstrom umwandelbar ist, wobei vorzugsweise ein Gleichstromkreis mit mindestens einem elektrischen Speicher vorgesehen ist.10. Device according to one of claims 1 to 9, wherein at least one inverter is provided, with which of the electric machine (18) generated alternating electric current variable frequency to DC is convertible, wherein preferably a DC circuit is provided with at least one electrical storage.
11. Vorrichtung nach einem der Ansprüche 1 bis 10, wobei mindestens ein weiterer Wechselrichter vorgesehen ist, mit welchem der Gleichstrom in einen Wechselstrom einer vorgebbaren Frequenz oder einen vorgebbaren Verlauf variabler Frequenzen umwandelbar ist, mit welchem vorzugsweise mindestens ein elektrischer Verbraucher betreibbar ist. 11. Device according to one of claims 1 to 10, wherein at least one further inverter is provided, with which the direct current into an alternating current of a predeterminable frequency or a predetermined curve of variable frequencies is convertible, with which preferably at least one electrical load is operable.
12. Vorrichtung nach einem der Ansprüche 1 bis 11, wobei der Wechselrichter und der weitere Wechselrichter sowie gegebenenfalls weitere vorgesehene Leistungselektronik¬ komponenten in einer Baugruppe räumlich zusammengefasst sind, wobei die Baugruppe vorzugsweise einen Grundkörper umfasst.12. Device according to one of claims 1 to 11, wherein the inverter and the further inverter and optionally further provided Leistungselektronik¬ components are spatially combined in an assembly, wherein the assembly preferably comprises a base body.
13. Vorrichtung nach Anspruch 12, wobei der Grundkörper Mittel, vorzugsweise in Form von Bohrungen, aufweist, durch welche die elektrischen Komponenten an der Grundplatte befestigbar sind.13. The apparatus of claim 12, wherein the base body means, preferably in the form of bores, through which the electrical components are fastened to the base plate.
14. Vorrichtung nach einem der Ansprüche 1 bis 13, wobei die Baugruppe und/oder der Grundkörper wassergekühlt angeordnet ist, vorzugsweise derart, dass die Baugruppe von mindestens einer Seite her - beispielsweise von einem Grundkörper - wasserkühlbar ist.14. Device according to one of claims 1 to 13, wherein the assembly and / or the base body is arranged water-cooled, preferably such that the assembly of at least one side - for example, from a base body - is water-cooled.
15. Vorrichtung nach einem der Ansprüche 1 bis 14, wobei die Wasserkühlung des Fahrzeugs auch zur Kühlung der Baugruppe nutzbar ist, vorzugsweise mittels einer Leitungsabzweigung eines Kühlkreislaufs des Fahrzeugs.15. Device according to one of claims 1 to 14, wherein the water cooling of the vehicle is also used to cool the assembly, preferably by means of a branch line of a cooling circuit of the vehicle.
16. Vorrichtung nach einem der Ansprüche 1 bis 15, wobei die Baugruppe durch ein Gehäuse von Umwelteinflüssen schützbar ist.16. Device according to one of claims 1 to 15, wherein the assembly is protected by a housing of environmental influences.
17. Vorrichtung nach einem der Ansprüche 1 bis 16, wobei vorgesehene Leistungselektronikkomponenten und/oder elektrische Verbraucher modulartig ausgebildet sind.17. Device according to one of claims 1 to 16, wherein provided power electronics components and / or electrical consumers are formed like a module.
18. Vorrichtung nach einem der Ansprüche 1 bis 17, wobei ein Umrichtermodul vorgesehen ist, mit welchem eine elektrische Leistungsschnittstelle versorgbar ist, welche vorzugsweise zur Versorgung mindestens eines externen elektrischen Verbrauchers vorgesehen ist. 18. Device according to one of claims 1 to 17, wherein an inverter module is provided, with which an electrical power interface can be supplied, which is preferably provided for supplying at least one external electrical load.
19. Vorrichtung nach Anspruch 18, wobei das Umrichtermodul über eine Datenschnittstelle derart ansteuerbar ist, dass von dem Umrichtermodul eine vorgebbare Spannung und/oder eine vorgebbare Frequenz erzeugbar ist, wobei die Datenschnittstelle vorzugsweise einen CAN-Bus aufweist. 19. The device according to claim 18, wherein the converter module can be controlled via a data interface in such a way that a specifiable voltage and / or a predefinable frequency can be generated by the converter module, the data interface preferably having a CAN bus.
EP05797040A 2004-10-26 2005-10-10 Device for generating electrical energy for an agricultural or industrial commercial vehicle Withdrawn EP1807622A1 (en)

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DE102004052023A DE102004052023A1 (en) 2004-10-26 2004-10-26 Device for generating electrical energy for an agricultural or industrial utility vehicle
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