EP2382107A1 - Angetriebene fahrzeugachse - Google Patents

Angetriebene fahrzeugachse

Info

Publication number
EP2382107A1
EP2382107A1 EP09771527A EP09771527A EP2382107A1 EP 2382107 A1 EP2382107 A1 EP 2382107A1 EP 09771527 A EP09771527 A EP 09771527A EP 09771527 A EP09771527 A EP 09771527A EP 2382107 A1 EP2382107 A1 EP 2382107A1
Authority
EP
European Patent Office
Prior art keywords
vehicle axle
eddy current
current brake
electric machine
vehicle
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Withdrawn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
EP09771527A
Other languages
German (de)
English (en)
French (fr)
Inventor
Markus KLÖPZIG
Heinz-Werner NEUMÜLLER
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2382107A1 publication Critical patent/EP2382107A1/de
Withdrawn legal-status Critical Current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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/28—Eddy-current braking
    • 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
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • 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
    • B60K6/46—Series type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • B60L50/50—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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/28—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged apart from the brake
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • 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
    • Y02T10/70—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

Definitions

  • the invention relates to a driven vehicle axle, which is coupled or can be coupled to an internal combustion engine and / or at least one optionally motor or generator electric machine and has a braking device.
  • Such powered vehicle axles are used on vehicles with hybrid drive or in pure electric vehicles.
  • hybrid vehicles motor vehicles are referred to, which are driven by at least one electric motor and at least one other other engine.
  • Hybrid vehicles predominantly an internal combustion engine and an electric machine.
  • Hybrid electric vehicles which are also referred to as hybrid vehicles, can be configured differently.
  • serial hybrid drives the internal combustion engine drives an electric generator to generate power that charges an electrical energy store or directly drives an electric motor.
  • a parallel hybrid drive the hybrid vehicle is driven both by an internal combustion engine and by an electric motor, as a result of which the internal combustion engine and the electric motor can be made smaller.
  • Power split hybrid powertrains combine the features of a hybrid serial drive and a parallel hybrid drive. While driving, depending on the driving condition, either the internal combustion engine and the generator may merely charge the electrical energy storage and drive the electric motor or alternatively drive a vehicle axle. A coupling can be used to switch between the different operating states.
  • Conventional motor vehicles with hybrid drive conventional braking devices are used, typically hydraulic brake systems that are relatively complex and require a lot of space and require regular maintenance. Although the electric machine can generate a certain braking effect in generator operation, this braking effect is not sufficient at higher speeds, so that in addition a conventional braking device must be provided, which can be realized for example as a hydraulic disc brake.
  • the invention has for its object to provide a driven vehicle axle whose braking device is simpler and thus constructed more cost-effective.
  • the braking device has an eddy current brake.
  • an eddy current brake In an eddy current brake, eddy current losses of a component rotating in the magnetic field are used for deceleration.
  • the inventively driven vehicle axle can be braked by means of the eddy current brake, whereby the kinetic energy is converted into heat.
  • the driven vehicle axle can be braked on the one hand by the braking action of the electric machine during generator operation and additionally by the eddy current brake even at higher speeds, without an additional separate braking device, for example a hydraulic disc brake, being required.
  • Such an eddy current brake is less expensive than a hydraulic braking device and only requires a small installation space.
  • the driven vehicle axle it may be provided that it comprises two electric machines and two eddy current brakes, wherein in each case an electric Machine and an eddy current brake for driving a wheel is provided.
  • a differential can be dispensed with.
  • the vehicle axle according to the invention it is also conceivable in the vehicle axle according to the invention that it is provided for driving two wheels and has a differential gear.
  • a transmission is arranged between the or each electric machine and a wheel driven by the vehicle axle. This results in the advantage that the speed of the electric machine increases and the torque is reduced, whereby the size of the electric machine can be reduced.
  • the transmission can be designed so that the electric machine can be operated in an optimum operating range.
  • a transmission to be arranged between the electric machine and the eddy current brake in the case of the vehicle axle according to the invention.
  • the braking effect of the eddy current brake can be optimized and increased because the braking effect on the frequency of the magnetic field depends and is determined by the speed and the number of pole pairs.
  • the at least one eddy current brake can be switched on or off by means of a clutch.
  • the clutch By means of the clutch, it is possible to switch between different operating states of a hybrid electric vehicle, which is particularly important in hybrid vehicles with power split.
  • the braking effect of the eddy current brake can be regulated by means of a control device.
  • the eddy current brake can be controlled so that over a certain Speed range of a wheel, a nearly constant deceleration can be achieved, which is perceived by the occupants of the vehicle as pleasant.
  • the braking effect is regulated so that the static friction of the wheels, which limits the maximum braking effect, is not exceeded.
  • the eddy current brake has a fixed section and a section movable relative to it, wherein the braking effect can be adjusted by a displacement of the movable section.
  • the braking effect of the eddy current brake can be controlled continuously as a function of the operating state.
  • the braking device of the vehicle axle according to the invention may have a parking brake.
  • a parking brake is required because the eddy current brake has no effect when the vehicle is stationary.
  • the invention relates to a hybrid or electric vehicle.
  • the hybrid or electric vehicle according to the invention has at least one vehicle axle of the type described.
  • the hybrid or electric vehicle it may be provided that it has a heating device which is designed to receive the heat emitted by the at least one electric machine and / or the at least one eddy current brake.
  • the frictional heat generated during the braking process can be used for air conditioning of the interior of the hybrid or electric vehicle, so that can be dispensed with the generation of heat by electricity for air conditioning.
  • the heating device of the hybrid or electric vehicle according to the invention has a heat accumulator.
  • the heat generated during braking processes can be absorbed. be collected and, if necessary, for the purpose of air conditioning the interior again.
  • FIG. 1 is a schematic representation and shows the essential components of a vehicle axle according to the invention, which can be used in a hybrid vehicle.
  • the vehicle axle 1 is constructed symmetrically and has at its ends in each case a vehicle wheel 2 which can be driven by means of an electric machine 3.
  • a control device (controller) 4 is provided, which is connected on the one hand to the electric machine 3 and on the other hand to an electrical connection 5.
  • the electric machine 3 has cooling connections 6, which are connected via a heat exchanger with a heat storage shown schematically rather 7, so that the electric machine 3 cooled and the heat accumulator 7 can be heated.
  • the heat accumulator 7 can be used for air conditioning the interior of the hybrid vehicle.
  • a transmission 8 is arranged, through which the rotational speed of the electric machine 3 is increased and the torque is reduced.
  • the transmission 8 is designed so that the electric machine 3 is operated in an optimal speed range.
  • the eddy current brake 10 includes a rotatable movable portion 11 and a stationary portion 12 that can be moved by an actuator 13.
  • the actuator 13 is formed as an electric gear motor, which is a linear displacement of the stationary portion 12th causes.
  • the stationary portion 12 can be moved axially to the axis 1 in the illustrated embodiment.
  • the actuator 13 can move the stationary portion 12 radially to control the braking effect of the eddy current brake 10.
  • It can also be provided a plurality of stationary sections 12, the displacement is mechanically coupled or which are each movable by means of a separate actuator. Via an electrical connection 14, the actuator 13 is connected to a control device, not shown in the figure.
  • the opposite vehicle wheel is also coupled to an electric machine and an eddy current brake, the vehicle axle is symmetrical.
  • the electric machine 3 acts braking, at the same time can be reduced by the actuator 13, the distance between the rotatable portion 11 and the stationary portion 12 of the eddy current brake 10, so that the eddy current brake 10 acts as an additional brake.
  • there is an integrated electromagnetic brake device by which a conventional hydraulic disc brake can be replaced.
  • the gear 8, 9 the sizes of the electric machine 3 and the eddy current brake 10 can be optimized.
  • the control of the eddy current brake 10 can be used to precisely tune its braking effect to the respective operating state.
  • the eddy current brake 10 can be deactivated, so that the electric machine 3 is operated as a generator and the kinetic energy is converted into electrical energy that can be stored in a battery. If, however, a stronger braking effect is required, for example in the case of an emergency braking triggered by the driver, the eddy current brake 10 is additionally actuated by an actuating process of the actuator 13 activated, so that the eddy current brake 10 additionally acts and ensures maximum braking effect.
  • the waste heat generated in the braking operation of the eddy current brake 10 but also by the electric machine 3 can be collected in the heat accumulator 7 and used for air conditioning of the hybrid vehicle, so that no electrical energy must be used for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
EP09771527A 2009-01-27 2009-11-26 Angetriebene fahrzeugachse Withdrawn EP2382107A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009006196A DE102009006196A1 (de) 2009-01-27 2009-01-27 Angetriebene Fahrzeugachse
PCT/EP2009/065902 WO2010086046A1 (de) 2009-01-27 2009-11-26 Angetriebene fahrzeugachse

Publications (1)

Publication Number Publication Date
EP2382107A1 true EP2382107A1 (de) 2011-11-02

Family

ID=42103917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09771527A Withdrawn EP2382107A1 (de) 2009-01-27 2009-11-26 Angetriebene fahrzeugachse

Country Status (8)

Country Link
US (1) US8967304B2 (ko)
EP (1) EP2382107A1 (ko)
JP (1) JP2012515679A (ko)
KR (1) KR20110099767A (ko)
CN (1) CN102300742B (ko)
BR (1) BRPI0924158A2 (ko)
DE (1) DE102009006196A1 (ko)
WO (1) WO2010086046A1 (ko)

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DE102010044655A1 (de) * 2010-09-08 2012-03-08 Jungheinrich Aktiengesellschaft Flurförderzeug mit einem elektrischen Fahrantrieb
DE102012210130A1 (de) * 2012-06-15 2013-12-19 Siemens Aktiengesellschaft Radantriebseinheit für ein Rad eines elektrisch angetriebenen Fahrzeugs, Fahrzeug und Verfahren zum Betreiben einer Radantriebseinheit eines Fahrzeugs
KR101464646B1 (ko) * 2013-06-03 2014-11-24 한국철도기술연구원 열전발전 혼용 와전류 제동시스템
CN104527438B (zh) * 2014-12-10 2017-05-17 武汉理工大学 新能源商用车非接触式联合缓速制动系统
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US20110290571A1 (en) 2011-12-01
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CN102300742B (zh) 2013-12-18
KR20110099767A (ko) 2011-09-08
US8967304B2 (en) 2015-03-03
JP2012515679A (ja) 2012-07-12
CN102300742A (zh) 2011-12-28

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