EP2847024A2 - Amortisseur de vibrations pour prolongateur d'autonomie - Google Patents

Amortisseur de vibrations pour prolongateur d'autonomie

Info

Publication number
EP2847024A2
EP2847024A2 EP13724732.6A EP13724732A EP2847024A2 EP 2847024 A2 EP2847024 A2 EP 2847024A2 EP 13724732 A EP13724732 A EP 13724732A EP 2847024 A2 EP2847024 A2 EP 2847024A2
Authority
EP
European Patent Office
Prior art keywords
energy converter
electromechanical energy
range extender
rotor
internal combustion
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Withdrawn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
EP13724732.6A
Other languages
German (de)
English (en)
Inventor
Vincent Benda
Peter Ebner
Richard Schneider
Bernhard Sifferlinger
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.)
AVL List GmbH
Original Assignee
AVL List GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AVL List GmbH filed Critical AVL List GmbH
Publication of EP2847024A2 publication Critical patent/EP2847024A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • 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
    • 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
    • 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
    • H02K7/003—Couplings; Details of shafts
    • 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
    • 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 present invention relates to a range extender for a motor vehicle, in particular an electric motor vehicle, which has an electromechanical energy converter and an internal combustion engine, which can be coupled to the electromechanical energy converter for power transmission.
  • Range extender refers to additional units in an electric motor vehicle, which usually consist of an internal combustion engine that drives a generator to provide an energy storage device or an electric motor with electrical energy to expand the range of electric vehicles.
  • the range extender can recharge the energy storage device on the road or at least ensure that the electric motor vehicle can continue to travel.
  • the internal combustion engine of the range extender is usually started and stopped while driving without direct action of the driver, in particular as a function of the state of charge of the energy storage device.
  • the generation of electrical energy usually takes place by means of an electromechanical energy converter, ie an electric machine, which as a rule is a permanently excited synchronous machine.
  • the electromechanical energy converter usually has at least two operating modes, which are controlled by a corresponding control electronics: The generator mode is the normal operation of the range extender. Conversely, this can also be operated in motor mode. This mode is commonly used to start the internal combustion engine.
  • the electric driving feeling which results essentially from the particular performance characteristics of the electromechanical energy converter, which serves as a traction drive, and the elimination of the engine noise of the internal combustion engine in the drive train, should not be affected by the internal combustion engine of the range extender.
  • WO 97/08435 relates to a system for the active reduction of rotational irregularities of a shaft, in particular of the drive shaft of an internal combustion engine or of a shaft coupled or coupleable thereto.
  • This system comprises an electric machine which is coupled or couplable to the shaft, wherein a control device controls the electrical machine so that it counteracts positive and negative rotational irregularities of the shaft.
  • the present invention has for its object to provide an improved range extender, which reduces the above-mentioned problems in a motor vehicle with range extender.
  • NVH noise-vibration-harshness
  • integration into the rotor of the electromechanical energy converter damping can be done to save space.
  • Integration into the rotor advantageously means that the secondary mass of a two-mass oscillator, which serves as a vibration damper, is the rotor of the first electromechanical energy converter.
  • the primary mass of the dual mass oscillator sits directly on the shaft of the rotary piston machine. In this way, the number of additional components for a vibration damper is reduced. An electronic control of the damping is not necessary here. Rather, the vibration damping according to the invention is a simple, robust and cost-effective device.
  • An electromechanical energy converter in the context of the invention is used for the conversion of electrical energy into mechanical energy and vice versa. These include in particular electric motors and electric generators. Depending on the direction of the transmitted power, the electro-mechanical energy converters differentiate between motor mode, which transmits power from the electrical side to the mechanical side, and the generator mode with reverse power flow.
  • an internal combustion engine in the context of the invention is a heat engine to understand that converts a combustion process chemical energy of a fuel into mechanical energy.
  • a piston drive element In the operation of an internal combustion engine is usually displaced by the expansion of an air fuel mixture during combustion in a working chamber usually referred to as a piston drive element from the combustion chamber region, whereby this drives a drive shaft in motion, preferably in rotation.
  • a motor vehicle in the sense of the invention is a mobile means of transport which serves the transport of goods, tools or persons and is driven by a machine.
  • an electric motor vehicle is preferably a motor vehicle which is operated with electrical energy from an energy storage device, preferably an electrochemical energy store, an accumulator or a battery. If the energy storage device is emptied, it must be recharged either via the power grid or a mobile supply device, preferably a range extender or solar cells.
  • the damping of torsional vibrations of the shaft of the internal combustion engine is to be understood by structural elements, in particular a vibration damping to eliminate NVH.
  • structural elements in particular a vibration damping to eliminate NVH.
  • the periodic course of the four strokes, intake, compression, ignition, ejection in combination with the firing order of the individual cylinders or disks leads to rotational irregularities of the shaft and of the preferably connected flywheel.
  • the vibration damper is a dual-mass flywheel, a torsion damper or any other known torsional vibration damper.
  • Coupling to the power transmission in the sense of the invention is to be understood as a mechanical, fluid-mechanical, hydromechanical or magnetic power transmission. This is preferably done by a common wave, i.
  • the electromechanical energy converter and the internal combustion engine are corrugated.
  • NVH Noise, Vibration, Harshness (German: noise, vibration, roughness). Harshness refers to the audible as well as tactile vibration transition range from 20 to 100 Hz.
  • the cause of NVH is the local force of a vibration source in vibration transmitting media, such.
  • the internal combustion engine between the first electromechanical energy converter and a second electromechanical arranged mechanical energy converter wherein the second electromechanical energy converter is coupled to the internal combustion engine for power transmission and / or in the rotor of the second electromechanical energy converter, a vibration damping is integrated.
  • the mechanical energy of the internal combustion engine can be more efficiently converted into electrical energy. Further, lateral forces on the bearings of the internal combustion engine can be reduced because deflection of the shaft due to rotational irregularities of an internal combustion engine in operation with the guidance at both ends of the shaft is reduced by the two electromagnetic energy converters.
  • the internal combustion engine is a rotary piston machine.
  • a rotary piston machine is preferably to understand a device which performs a preferably substantially triangular piston during operation of the internal combustion engine in the housing rotation about a major axis, wherein the piston rotates about its own axis, which but also additionally moved on a preferred own circular path.
  • the piston performs a planetary motion about the major axis.
  • An advantage of the use of a rotary piston machine as an internal combustion engine is a higher smoothness in such a machine compared with a reciprocating engine.
  • such a rotary piston engine is a Wankel engine.
  • the invention can also be used in rotary piston machines with two, three or more juxtaposed pistons.
  • the invention can also be used with any other type of internal combustion engine, preferably a reciprocating engine.
  • the rotary piston machine has in a particularly advantageous manner in operation on a high smoothness, so that the occupants of a motor vehicle are not disturbed by vibrations. Furthermore, the rotary piston machine compared to a conventional gasoline or diesel engine to a much lower noise. Finally, much higher speeds can be achieved than with a reciprocating engine.
  • the rotor of the first and / or second electromechanical energy converter additionally has a absorber.
  • a absorber according to the invention is the eradication of vibration energy on the upsetting or stretching a material to understand.
  • the associated energy consumption or heat energy development is removed from the vibration and has a dampening effect.
  • the absorber is integrated into the rotor of the first and / or second electromechanical energy converter. Excess energy, which can not be smoothed by vibration damping, can be converted into heat energy by the absorber. Thus, a further reduction of vibrations is achieved.
  • Figure 1 is a schematic representation of a range extender of a first embodiment of the invention
  • Figure 2 is a schematic representation of a range extender 1 according to a second embodiment of the invention.
  • a first embodiment of the invention will be explained in more detail.
  • the invention is described using the example of a range extender 1 with a rotary piston machine with a substantially triangular rotary piston as the internal combustion engine 3.
  • the rotary piston machine 3 is shown in cross-section, wherein the disc of the rotary piston machine 3 is rotated in the image plane, so that the Trochoidenform the disc and the triangular shape of the rotary piston or the rotor is visible.
  • the shaft 8 is represented by a circle.
  • the direction of rotation of the rotary piston machine is indicated by a clockwise arrow about the shaft 8, but the direction of rotation could also run counterclockwise.
  • the torsional vibration of the shaft 8 of the rotary piston machine 3 is indicated by double arrows.
  • the illustrated embodiment is only exemplary.
  • the machine could also be operated with any other type of internal combustion engine, in particular with a reciprocating piston engine, in particular a gasoline or diesel engine.
  • the range extender 1 preferably has a rotary piston machine 3 and an electromechanical energy converter 2.
  • the shaft 8 couples the rotary piston machine 3 with the electromechanical energy converter 2 for power transmission.
  • the rotary piston machine 3 and the first electro-mechanical energy converter 2 are thus wave-like, i. the rotor 5 of the electromechanical energy converter 2 is mounted on the shaft of the rotary piston machine 3.
  • the electromechanical energy converter 3 has a rotor 5 and a stator 7a, 7b, in which the rotor 5 rotates due to an alternating electromagnetic field during engine operation.
  • the electro-mechanical energy converter 2 is an electric machine, preferably a pole machine, more preferably an internal or external pole machine, more preferably an asynchronous machine, more preferably a self-excited asynchronous machine, and most preferably a reluctance machine.
  • the electromechanical energy converter 2 may be designed as a pure generator and / or generator motor. In the generator mode, this generates electrical energy by means of a torque which is provided to it via the shaft 8 of the rotary piston machine 3.
  • the electrical energy is generated by electromagnetic induction generated by the rotor 5 in the stator 7a, 7b of the first electromechanical energy converter 2.
  • This electrical energy is fed via a power electronics 10 in a circuit, in particular in a DC intermediate circuit of an electric motor vehicle. Alternatively or additionally, however, the electrical energy could also preferably be fed into the public power grid.
  • torsional vibrations are generated, which are excited by time-varying torques and are superimposed on the rotation of the shaft 8. These torsional vibrations are mainly due to the main harmonics of the gas and mass forces in the rotary piston machine 3.
  • a vibration damper 6a, 6b, 6c preferably a flywheel or dual mass flywheel is used. This is integrated in the rotor 5 of the first electromechanical energy converter 2. This means that for the Vibration damper 6 Although additional components are necessary, but these can be accommodated in a space-saving manner by the integration in the rotor 5.
  • the rotor 5 may preferably be the secondary flywheel of a dual-mass flywheel.
  • the primary flywheel is then preferably mounted directly on the common shaft 8 of the rotary piston engine 3 and the first electromechanical energy converter 2. More preferably, it is integrated with the shaft 8 and most preferably the shaft 8 is the primary flywheel.
  • the primary flywheel and the secondary flywheel are preferably coupled via steel or rubber springs 6b or any other type of elastic coupling means.
  • a balancing mass 9a integrated, which compensates for the imbalance of the eccentric and the rotary piston of the rotary piston machine 3.
  • a damper for the eradication of the vibrations is integrated, which is not shown in the figures. This can be implemented in particular by further elastic elements which are arranged between the primary flywheel mass 6a and the secondary flywheel mass 6c and by the extension or compression of which the vibration energy is converted into another energy form, preferably heat energy.
  • the balancing mass can also be distributed to both ends of the shaft 8, in which case two partial compensation masses 9a and 9b are present.
  • This second embodiment can advantageously be combined with the first embodiment of FIG. 1 explained above.
  • the second embodiment differs from the first embodiment in that also on the opposite side of the first electromechanical energy converter 2 with respect to the rotary piston machine 3, a second, second electromechanical energy converter 4 is provided which can also be coupled to the shaft 8 of the rotary piston machine 3 for power transmission is, preferably by a wave equality with the rotary piston machine 3 and / or the first electric mechanical energy converter 2.
  • the second electromechanical energy converter 4 has a vibration damper 12a, 12b, 12c, which is integrated into the rotor 11.
  • the balancing mass 9b is preferably integrated in the rotor 11 and the rotor preferably also has a further absorber, which dissipates further oscillation energy.
  • the rotor 11 of the second electromechanical energy converter 4 also rotates in a stator 13a, 13b, in which electrical energy is generated in generator operation.
  • This electrical energy is fed via a power electronics 14 in a power grid, preferably a DC intermediate circuit of an electric motor vehicle 14.
  • Range extenders according to the invention are preferably also usable in houses as cogeneration plant or as generator units in other mobile applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne un prolongateur d'autonomie (1) pour un véhicule à moteur, en particulier pour un véhicule à moteur électrique, et comprenant un premier convertisseur d'énergie électromécanique (2), et un moteur à combustion interne (3) qui peut s'accoupler au premier convertisseur électromécanique (2) en vue d'une transmission de puissance, un amortisseur de vibrations (6a, 6b, 6c) étant intégré dans le rotor (5) du premier convertisseur électromécanique (2).
EP13724732.6A 2012-05-10 2013-05-07 Amortisseur de vibrations pour prolongateur d'autonomie Withdrawn EP2847024A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50167/2012A AT512516B1 (de) 2012-05-10 2012-05-10 Vibrationsdämpfung für einen Range-Extender
PCT/EP2013/001357 WO2013167266A2 (fr) 2012-05-10 2013-05-07 Amortisseur de vibrations pour prolongateur d'autonomie

Publications (1)

Publication Number Publication Date
EP2847024A2 true EP2847024A2 (fr) 2015-03-18

Family

ID=48485102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13724732.6A Withdrawn EP2847024A2 (fr) 2012-05-10 2013-05-07 Amortisseur de vibrations pour prolongateur d'autonomie

Country Status (6)

Country Link
US (1) US20150061291A1 (fr)
EP (1) EP2847024A2 (fr)
JP (1) JP2015519250A (fr)
CN (1) CN104302505A (fr)
AT (1) AT512516B1 (fr)
WO (1) WO2013167266A2 (fr)

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WO2013167266A2 (fr) 2013-11-14
AT512516A4 (de) 2013-09-15
WO2013167266A3 (fr) 2014-08-07
AT512516B1 (de) 2013-09-15
CN104302505A (zh) 2015-01-21
JP2015519250A (ja) 2015-07-09

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