WO2007043706A1 - ハイブリッド車両の動力出力装置 - Google Patents
ハイブリッド車両の動力出力装置 Download PDFInfo
- Publication number
- WO2007043706A1 WO2007043706A1 PCT/JP2006/320805 JP2006320805W WO2007043706A1 WO 2007043706 A1 WO2007043706 A1 WO 2007043706A1 JP 2006320805 W JP2006320805 W JP 2006320805W WO 2007043706 A1 WO2007043706 A1 WO 2007043706A1
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- Prior art keywords
- power
- engine
- vibration
- reactor
- hybrid vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- 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
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- 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
- B60K6/36—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 transmission gearings
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- B60—VEHICLES IN GENERAL
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- 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
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- 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
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- Y02T10/62—Hybrid vehicles
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- 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
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- 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
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- 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
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- 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 power output device for a hybrid vehicle, and more particularly, to a power output device for a hybrid vehicle in which a power control unit for driving and controlling a motor and a motor are housed in one case.
- Hybrid Vehicle is drawing attention.
- a hybrid vehicle is a vehicle that uses a motor driven by a DC power source via an inverter in addition to a conventional engine as a power source.
- a power source is obtained by driving the engine, a DC voltage from a DC power source is converted into an AC voltage by an inverter, and a motor is rotated by the converted AC voltage to obtain a power source.
- the power output device that generates vehicle driving force has a structure in which a box-type case with a large inverter is fixed to the chassis, and a motor case (transaxle) is placed under it There are many.
- a box-type case with a large inverter is fixed to the chassis, and a motor case (transaxle) is placed under it.
- Japanese Laid-Open Patent Publication No. 2 0 4-3 4 3 8 4 5 discloses a hybrid vehicle drive device in which a motor and an inverter are integrated.
- a DC voltage from a DC power source is boosted by a boost converter and the boosted DC voltage is supplied to an inverter. This is intended to increase motor output and improve energy efficiency. It is.
- the boost converter is more effective for common parts and miniaturized equipment if it can be integrated with the motor in the same way as the inverter.
- the hybrid vehicle drive device disclosed in the above Japanese Patent Application Laid-Open No. 2004-343845 has a structure in which an inverter is simply mounted on a motor, and a structure in which a boost converter is further integrated is completely disclosed. There is no suggestion.
- a boost converter is generally composed of a combination of a rear titler and a tipper circuit composed of switching elements. Specifically, in the reactor, the current switched from the DC power source flows according to the on / off state of the switching element, and electric power is accumulated. Then, the reactor supplies the stored power to the inverter side according to whether the switching element is on or off. The boost converter repeats such an operation to perform a boost operation.
- the object of the present invention is to provide power for a hybrid vehicle in which the motor drive system is integrated and the vibration of the reactor of the motor drive system can be absorbed.
- An output device is provided. Disclosure of the invention
- a power output device for a hybrid vehicle that outputs power to the drive shaft
- An engine that generates power from fuel combustion energy
- a power transmission device that combines the power generated by the engine with the power generated by the rotating electrical machine and transmits the power to the drive shaft
- a switching element and a reactor a power control unit that converts power between the DC power from the power supply and the AC power that drives and controls the rotating electrical machine by the switching operation of the switching element, and is connected to the engine so that vibration can be transmitted.
- the reactor is integrated with the motor case, so that the reactor vibration generated when the switched current is supplied is not only the engine vibration but also the engine vibration isolator. Is absorbed by. Therefore, since the reactor vibration is suppressed from propagating to the vehicle body, the noise in the passenger compartment can be reduced. In addition, it is not necessary to install a new reactor vibration absorption means, which helps to reduce the size of the equipment.
- the power transmission device mechanically distributes the output of the engine to the first rotating electric machine and the drive shaft, and the first and second rotating electric machines that are driven by the power source to generate power.
- Power split mechanism The power control unit includes first and second inverters provided corresponding to the first and second rotations of the rotating electrical machine, a switching element and a reactor element, respectively, and is controlled by a switching operation of the switching element. And a voltage converter that converts voltage between the power source and the first and second inverters.
- the vibration of the rear tuttle generated during the voltage conversion operation is absorbed by the vibration isolator of the engine.
- the reactor vibration is suppressed from propagating to the vehicle body, so that the noise in the passenger compartment is reduced.
- a current switched by the switching element flows through the reactor.
- the vibration isolator has an elastic body that is connected so as to be able to vibrate between the engine and the case and the vehicle body, and the vibration direction of the elastic body is substantially the same as the direction in which the reactor vibrates when energized. Provided.
- the vibration of the reactor generated during energization is efficiently absorbed by the vibration isolator of the engine.
- the vibration isolator is provided so that the elastic body and the rear tuttle vibrate on substantially the same straight line.
- the vibration of the reactor generated when the power is supplied is efficiently absorbed by the vibration isolator of the engine.
- the vibration isolator is provided such that the vibration direction of the elastic body is substantially the same as the direction in which the reactor vibrates and the direction in which the engine vibrates when energized.
- the vibration damping force of the vibration isolator can be utilized to the maximum.
- the reactor vibration generated when the switched current is supplied is absorbed by the engine vibration isolator together with the engine vibration. Therefore, since the vibration of the rear turtle is suppressed from propagating to the vehicle body, the noise in the passenger compartment can be reduced. In addition, the installation of a new reactor vibration absorption means is not required, which facilitates downsizing of the equipment.
- FIG. 1 is a block diagram showing an overall configuration of a hybrid power output apparatus according to an embodiment of the present invention.
- FIG. 2 is a circuit diagram showing a configuration relating to motor generator control in a vehicle equipped with the hybrid power output device of FIG.
- FIG. 3 is a schematic diagram for explaining details of the power split mechanism and the speed reducer in FIG.
- FIG. 4 is a perspective view showing an appearance of transaxle 20 of the hybrid vehicle according to the embodiment of the present invention.
- FIG. 5 is a plan view of the transaxle.
- FIG. 6 is a side view of the transaxle viewed from the X1 direction in FIG.
- FIG. 7 is a perspective view of the rear titler shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 7 is a perspective view of the rear titler shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 shows a power output device for a hybrid vehicle according to an embodiment of the present invention (hereinafter referred to as “power output device”).
- hybrid vehicle is described as a series / parallel hybrid vehicle, but the hybrid vehicle may be a series hybrid vehicle or a parallel hybrid vehicle.
- the hybrid power output device 100 includes an engine ENG, a battery B, an inverter INV, a boost converter 12, a wheel WH, a transaxle 20 and an ECU (Electric Control Unit). ) 90.
- the engine E N G generates driving force from the combustion energy of fuel such as gasoline.
- Notter B supplies DC power to the power line.
- Battery B is a secondary battery such as nickel hydrogen or lithium ion, or a fuel cell. Further, as a power storage device replacing battery B, a large-capacity capacitor such as an electric double layer capacitor may be used.
- 'Inverter I N V converts DC power supplied from battery B to power line 8 1 through boost converter 12 2 into AC power and outputs it to power line 83. Alternatively, the inverter I N V converts the AC power supplied to the power line 8 1 into DC power and outputs it to the power line 8 2.
- the transaxle 20 includes a transmission and an axle (axle) as an integral structure.
- the power control unit 21 that has been conventionally accommodated in a case independent of the transaxle 20 is integrated with the transaxle 20 and accommodated in the same case.
- the power split mechanism P S D can be divided into a path for transmitting the driving force generated by the engine E N G to the drive shaft for driving the wheels via the reduction gear R D and a path for transmitting to the motor generator MG 1.
- Each of the motor generators MG 1 and MG 2 is both a generator and an electric motor. Can function.
- the motor generator MG 1 is generally called a “generator” because it often operates as a generator, and the motor generator MG 2 is sometimes called a “motor” because it mainly operates as an electric motor.
- Motor generator MG 1 is rotated by the driving force from engine E N G transmitted through power split mechanism P S D to generate electric power.
- the electric power generated by motor generator MG 1 is supplied to inverter INV via electric power line 83 and used as charging power for battery B or as driving power for motor generator MG 2.
- the motor generator MG 2 is rotationally driven by AC power supplied from the inverter I N V to the power line 83, and the driving force generated by the motor generator MG 2 is transmitted to the drive shaft via the reduction gear R D.
- wheels (not shown) other than the wheel WH driven by the drive shaft may be simply driven wheels, but may be configured to be driven by another motor generator (not shown). You may make it comprise a four-wheel drive system.
- the electromotive force (AC power) generated in the motor generator MG2 is supplied to the power line 8 3.
- battery B is charged by the inverter INV converting the power supplied to the power line 83 to DC power and outputting it to the power line 81.
- the ECU 90 controls the overall operation of a device group mounted on the vehicle in order to drive the vehicle on which the hybrid power output device 100 is mounted according to the driver's instructions.
- the ECU 90 is typically configured by a microcomputer and a memory (RAM, ROM, etc.) for executing a predetermined sequence programmed in advance and a predetermined operation.
- FIG. 2 is a circuit diagram showing a configuration related to motor generator control in a vehicle equipped with hybrid power output device 100 of FIG.
- vehicle 100 includes a battery unit 40, a transaxle 20, a control device 30, and an engine and wheels (not shown).
- Transaxle 20 consists of motor generators MG 1 and MG 2 and a power split machine Structure PSD, reduction gear RD, and power control unit 21 for controlling motor generators MG 1 and MG 2 are provided.
- the power split mechanism PSD is basically a mechanism that is coupled to the engine ENG and the motor generators M G l and MG 2 and distributes power between them.
- a planetary gear mechanism having three rotation shafts of a sun gear, a planetary carrier, and a ring gear can be used.
- Two rotary shafts (planetary carrier, sun gear) of power split mechanism PSD are connected to the rotary shafts of engine ENG and motor generator MG 1 respectively, and the other rotary shaft (ring gear) is connected to reduction gear RD.
- a configuration is conceivable in which the motor generator MG 2 is connected directly or directly.
- rotation shaft of the reduction gear RD is coupled to the wheel by a reduction gear or a differential gear (not shown) as will be described later.
- the battery unit 40 is provided with terminals 41 and 42.
- the transaxle 20 is provided with terminals 43 and 44.
- Vehicle 1000 further includes a power cable 6 that connects terminal 41 and terminal 43, and a cap / lay 8 that connects terminal 42 and terminal 44.
- the battery unit 40 includes a battery B, a system main relay S MR 3 connected between the negative electrode of the battery B and the terminal 42, and a system main connected between the positive electrode of the battery B and the terminal 41.
- a system main relay S MR 3 connected between the negative electrode of the battery B and the terminal 42, and a system main connected between the positive electrode of the battery B and the terminal 41.
- Including relay SMR2, system main relay SMR1 and limiting resistor R connected in series between the positive terminal of battery B and terminal 41.
- the system main relays SMR 1 to SMR 3 are controlled to be in a conductive / non-conductive state in accordance with a control signal S E given from the control device 30.
- the battery unit 40 further includes a voltage sensor 10 that measures a voltage VB between terminals of the battery B, and a current sensor 11 that detects a current IB flowing through the battery B.
- Power control unit 21 includes inverters 22 and 14 provided corresponding to motor generators MG 1 and MG 2, and boost converter 12 provided in common with inverters 22 and 14, respectively.
- the inverters 22 and 14 constitute the inverter I NV in Fig. 1.
- Boost converter 12 boosts the voltage between terminals 43 and 44.
- Inverter 14 Converts the DC voltage supplied from boost converter 12 into three-phase AC and outputs it to motor generator MG2.
- Boost converter 12 is connected in series between a reactor 1 whose one end is connected to terminal 43 and an output terminal of boost converter 12 that outputs boosted voltage VH 108 elements 01, Q2 And diodes D 1 and D 2 connected in parallel to 108 elements 01 and Q 2, respectively, and a smoothing capacitor C 2.
- the smoothing capacitor C 2 smoothes the voltage boosted by the boost converter 12.
- reactor 1 The other end of reactor 1 is connected to the emitter of I GBT element Q 1 and the collector of I GB T element Q 2.
- Diode D 1's force sword is connected to I 08 element (31 collectors, diode D 1's anode is connected to I GBT element Q 1's emitter.
- Diode D 2's force sword is I GB T It is connected to the collector of element Q 2 and the anode of diode D 2 is connected to the emitter of I GBT element Q 2.
- Inverter 14 is the output of step-up converter 1 2 after motor generator MG 2 that drives the wheels. Inverter 14 returns the electric power generated in motor generator MG2 to boost converter 12 in response to regenerative braking. It is controlled by the control device 30 so as to operate as a circuit.
- Inverter 14 includes a U-phase arm 15, a V-phase arm 16, and a W-phase arm 17.
- U-phase arm 15, V-phase arm 16, and W-phase arm 17 are connected in parallel between the output lines of boost converter 12.
- U-phase arm 15 includes I GBT elements Q 3 and Q 4 connected in series, and diodes D 3 and D 4 connected in parallel with I GBT elements Q 3 and Q 4, respectively.
- Diode D 3's force sword is connected to the collector of I GB T element Q 3
- diode D 3 's anode is connected to the I 08 element 03 emitter.
- the cathode of diode D 4 is connected to the collector of I GBT element Q4, and the anode of diode D 4 is connected to the emitter of I 08 element ⁇ 34.
- V-phase arm 16 includes I GBT elements Q 5 and Q 6 connected in series, and diodes D 5 and D 6 connected in parallel with I GBT elements Q 5 and Q 6, respectively.
- the power sword of diode D 5 is connected to the collector of I GB T element Q 5 and diode D 5
- the anode of is connected to the emitter of I08 8-element 05.
- the cathode of diode D 6 is connected to the collector of I GBT element Q 6, and the anode of diode D 6 is connected to the emitter of I GBT element Q 6.
- W-phase arm 17 includes I GBT elements Q 7 and Q 8 connected in series and diodes D 7 and D 8 connected in parallel with I GBT elements Q 7 and Q 8, respectively.
- the cathode of diode D 7 is connected to the collector of I GBT element Q 7, and the diode of diode D 7 is connected to the emitter of I GBT element Q 7.
- the cathode of diode D 8 is connected to the collector of I GBT element Q 8, and the anode of diode D 8 is connected to the emitter of I GBT element Q 8.
- each phase arm is connected to each phase end of each phase coil of motor generator MG2. That is, the motor generator MG 2 is a three-phase permanent magnet synchronous motor, and one end of each of the three coils of the U, V, and W phases is connected to the neutral point.
- the other end of the U-phase coil is connected to the I GBT element Q 3 and Q 4 connection node.
- the other end of the V-phase coil is connected to the connection node of IGBT elements Q5 and Q6.
- the other end of the W-phase coil is connected to the connection node of the I GBT elements Q7 and Q8.
- the current sensor 24 detects the current flowing through the motor generator MG 2 as the motor current M CRT 2 and outputs the motor current value MCRT 2 to the control device 30.
- Inverter 22 is connected to boost converter 12 in parallel with inverter 14 '. Inverter 22 converts the DC voltage output from boost converter 12 to three-phase AC and outputs the same to motor generator MG1. Inverter 22 receives the boosted voltage from boost converter 12 and drives motor generator MG 1 to start the engine, for example.
- Inverter 22 supplies electric power generated by motor generator MG 1 to motor generator MG 2 or battery B by the rotational torque transmitted from the crankshaft of the engine. At this time, boost converter 12 is controlled by control device 30 so as to operate as a step-down circuit.
- the controller 30 has torque command values TR 1 and TR 2, motor speed MRN 1 and MR N2, voltages VB, VL and VH, current IB values, motor current values MCRT 1 and MC RT 2, and start signal I GON Receive.
- torque command value TR 1 motor speed MR N 1 and motor current value MC RT 1 are related to motor generator MG 1
- torque command value TR 2 motor speed MRN 2 and motor current value MCRT 2 are It relates to the motor generator MG 2.
- the voltage VB is the voltage of the battery B
- the current IB is the current flowing through the battery B.
- Voltage VL is a voltage before boost of boost converter 12
- voltage VH is a voltage after boost of boost converter 12.
- control device 30 outputs step-up: control signal PWU for instructing step-up to inverter 12, control signal PWD for instructing step-down, and signal CS DN instructing prohibition of operation.
- control device 30 provides a drive instruction PWMI 2 ′ for converting the DC voltage output from boost converter 12 to inverter 14 to an AC voltage for driving motor generator MG 2, and motor generator MG 2.
- the regenerative instruction PWMC 2 that directly converts the AC voltage generated in step 1 into a flow voltage and returns it to the boost converter 12 side is output.
- control device 30 converts the AC voltage generated by the motor generator MG 1 into the DC voltage and the drive instruction PWM I 1 for converting the DC voltage into the AC voltage for driving the motor generator MG 1 with respect to the inverter 22.
- Regenerative instruction PWMC 1 that is converted to and returned to the boost converter 1 2 side is output.
- FIG. 3 is a schematic diagram for explaining details of the power split mechanism PSD and the reduction gear RD in FIG.
- the hybrid power output device is configured to rotate motor generator MG 2, reduction gear RD connected to the rotation shaft of motor generator MG 2, and rotation of the rotation shaft decelerated by reduction gear RD.
- the vehicle includes an axle that rotates in response, an engine ENG, a motor generator MG 1, and a power split mechanism PSD that distributes power between the reduction gear RD, the engine ENG, and the motor generator MG 1.
- Reducer RD has a reduction ratio from motor generator MG 2 to power split mechanism PSD. For example, it is more than twice.
- the power split mechanism PSD is a planetary gear in the example shown in FIG. 3, and is rotatable on the same axis as the sun gear 51 connected to the hollow sun gear shaft penetrating the crankshaft 50 through the shaft center. Is connected to the ring gear 5 2 supported by the shaft, the pinion gear 5 3 which is arranged between the sun gear 5 1 and the link gear 5 2 and revolves while rotating on the outer periphery of the sun gear 51, and the end of the crankshaft 50 And a planetary carrier 5 4 that supports the rotation shaft of each pinion gear 5 3.
- the power split mechanism PSD consists of a sun gear shaft coupled to the sun gear 51, a link gear case coupled to the ring gear 52 and a crankshaft 50 coupled to the planetary carrier 54. It is said. When the power input / output to / from any two of these three axes is determined, the power input / output to / from the remaining one axis is determined based on the power input / output to the other two axes.
- a counter drive gear 70 for taking out the power is provided outside the ring gear case, and rotates integrally with the link gear 52.
- the counter drive gear 70 is connected to the power transmission reduction gear RG. Power is transmitted between the counter drive gear 70 and the power transmission reduction gear RG.
- the power transmission reduction gear R G drives the differential gear D E F. On the downhill, the wheel rotation is transmitted to the differential gear D E F, and the power transmission reduction gear R G is driven by the differential gear D E F.
- Motor generator MG 1 includes a stator 31 that forms a rotating magnetic field, and a rotor 3 2 that is disposed inside stator 31 and has a plurality of permanent magnets embedded therein.
- the stator 31 includes a stator core 33 and a three-phase coil 34 wound around the stator core 33.
- Rotor 32 is coupled to a sun gear shaft that rotates integrally with sun gear 51 of power split mechanism PSD.
- the stator core 33 is formed by laminating thin magnetic steel plates and is fixed to a case (not shown).
- the motor generator MG 1 rotates the rotor 3 2 by the interaction between the magnetic field generated by the permanent magnet embedded in the rotor 3 2 and the magnetic field formed by the three-phase coil 3 4. Operates as a driving motor. Motor generator MG 1 also operates as a generator that generates electromotive force at both ends of three-phase coil 34 due to the interaction between the magnetic field generated by the permanent magnet and the rotation of rotor 32.
- Motor generator MG 2 includes a stator 36 that forms a rotating magnetic field, and a rotor 37 that is disposed inside stator 31 and has a plurality of permanent magnets embedded therein.
- the stator 3 6 includes a stator core 3 8 and a three-phase coil 39 wound around the stator core 3 8.
- the rotor 37 is coupled to a link gear case that rotates integrally with the ring gear 52 of the power split mechanism PSD by a reduction gear R D.
- the stator core 38 is formed, for example, by laminating thin magnetic steel plates, and is fixed to a case (not shown).
- Motor generator MG 2 also operates with a generator U that generates an electromotive force at both ends of three-phase coil 39 by the interaction between the magnetic field generated by the permanent magnet and the rotation of rotor 37.
- Motor generator MG 2 operates as an electric motor that rotates rotor 37 by the interaction between the magnetic field generated by the permanent magnet and the magnetic field formed by three-phase coil 39.
- the reduction gear R D reduces the speed by a structure in which a planetary carrier 66, which is one of the rotating elements of the planetary gear, is fixed to the transaxle case. That is, the reduction gear RD is in mesh with the sun gear 6 2 coupled to the shaft of the rotor 3 7, the ring gear 6 8 that rotates integrally with the ring gear 52, the ring gear 6 8, and the sun gear 6 2. Including pi-on gears 6 4 for transmitting the rotation of the gears to the ring gear 6 8.
- the reduction ratio can be increased more than twice.
- FIG. 4 is a perspective view showing an appearance of transaxle 20 of the hybrid vehicle according to the embodiment of the present invention.
- FIG. 5 is a plan view of the transaxle 20.
- case of transaxle 20 is the same as case 1 0 4 It is possible to divide it into a source 1 0 2.
- Case 10 04 is a part mainly accommodating motor generator MG 1
- case 10 02 is a part mainly accommodating motor generator MG 2 and the power control unit.
- Case 1 0 4 is formed with flange 1 0 6
- Case 1 0 2 is formed with flange 1 0 5
- flange 1 0 6 and flange 1 0 5 are fixed with bolts etc.
- 0 4 and case 1 0 2 are integrated.
- Case 1 0 2 is provided with an opening 10 8 for assembling the power control unit 2 1.
- Capacitor C 2 is accommodated in the left inner portion (vehicle traveling direction side) of opening 10 8, and power element substrate 1 2 0 and terminal blocks 1 1 6 and 1 1 8 are accommodated in the central portion.
- the right part contains the reactor L1.
- the opening 10 8 is closed by a lid when the vehicle is mounted.
- the capacitor C 2 may be replaced on the right side and the reactor L 1 may be stored on the left side. That is, reactor L 1 is arranged on one side of the rotation shafts of motor generators MG 1 and MG 2, and capacitor C 2 is arranged on the other side of the rotation shaft.
- a power element substrate 12 2 ° is arranged in a region between the capacitor C 2 and the reactor L 1.
- a motor generator MG 2 is disposed under the power element substrate 1 2 0.
- Inverter 2 2 for controlling motor generator MG 1, inverter 14 for controlling motor generator MG 2, and arm portion 13 of the boost converter are mounted on power element substrate 120.
- a water passage is provided under the power element substrate 1 2 0 to cool the power element substrate 1 2 0.
- the cooling water inlet 1 1 4 and the cooling water outlet 1 to the water passage 1 2 is provided in the case 1 0 2.
- this entrance and exit For example, the case 10 2 is configured by driving a flange 10 6, 1 0 5 through a union nut or the like.
- the voltage applied from the battery unit 40 in FIG. 3 to the terminals 4 3 and 4 4 via the power cable is boosted by the boost converter 12 including the reactor L 1 and the arm portion 13.
- the boosted voltage is smoothed by the capacitor C 2 and supplied to the inverters 14 and 2 2.
- the motor generator can be driven at a high voltage exceeding 500 V while reducing the battery voltage to approximately 200 V. It becomes possible. As a result, electric loss can be suppressed by supplying power with a small current, and high output of the motor can be realized.
- FIG. 6 is a side view of the transaxle 20 viewed from the X1 direction in Fig. 5.
- case 1 0 2 is provided with an opening 1 0 9 for motor generator assembly and maintenance, and this opening 1 0 9 is closed by a lid when mounted on the vehicle. ing. '
- a motor generator MG 2 is arranged inside the opening 1 0 9.
- a rotor 37 is disposed inside a stator 36 to which a W-phase bus bar is connected.
- a hollow shaft 60 can be seen in the central part of the rotor 37.
- the motor generator MG 2 bites into the housing chamber that houses the power control unit 2 1 of the case 100 2, the motor generator MG 2 has one side on the side. Reactor L 1 is placed and capacitor C 2 is placed on the other side to accommodate large parts efficiently. This achieves a compact hybrid axle transaxle.
- the power control unit 2 1 is integrated with the transaxle 20, so that it is generated in the rear tuttle L 1 as described below. It is possible to suppress vibration from propagating to the body of the hybrid vehicle.
- the reactor L 1 includes a core 221 and a coil 22 2 as shown in FIG.
- the core 221 includes straight portions 2210 and 221 2 and curved portions 221 1 and 2 21 3.
- the curved portion 221 1 has a gap 223 between the curved portion 221 1 and the straight portion 210.
- the curved portion 2213 has a gap 225 between the straight portion 2212 and a gap 226 between the straight portion 2210.
- the coin 222 is wound around the straight portions 2210 and 2212.
- the IGBT element Q2 of the boost converter 12 is turned on and off as described above. Then, 108 elements (32 is turned on, NO., DC cable 6, reactor L l, I GBT element Q 2, 'power cap nore 8 and DC current flows through the closed circuit consisting of battery B Then, magnetic flux is generated in the core 221 of the reactor L 1 and the curved portions 22 1 1 and 22 1 3 are drawn in the direction of the straight portions 221 0 and 2212. Also, the I GBT element Q2 is turned off. Then, since the magnetic flux is not generated in the core 221, the curved portions 221 1 and 221 3 do not receive an attractive force from the linear portions 2210 and 221 2.
- the curved portions 22 1 1 and 22 13 of 221 move in the direction of the straight portions 2210 and 221, or return to their original positions and vibrate.
- the reactor L 1 Since the reactor L 1 is fixed to the opening 1 ⁇ 8 of the case 102, the vibration generated in the rear tuttle L 1 propagates to the case 102. In addition, this The vibration is transmitted to the body through a fixing member for fixing the case 100 to the body. As a result, noise based on the vibration of reactor L 1 is generated in the passenger compartment.
- the engine in order to prevent the engine vibration from propagating to the body and generating noise in the vehicle interior, the engine is used with a vibration isolator called an engine mount. A method of hanging on the body is adopted. At this time, the transaxle that is directly connected to the engine also vibrates in response to engine vibration, so it is integrated with the engine and suspended from the body by the engine mount.
- the engine mount is formed of an elastic body such as a liquid-filled comb bush.
- the engine mount absorbs the relative vibration of the engine with respect to the body, as the liquid moves inside the comb to compensate for its inherent elasticity.
- the reactor L 1 as a vibration source is integrated with the transaxle 20, so that the above-described vibration of the reactor L 1 is absorbed by the engine mount that is an anti-vibration device for the engine. It becomes possible to make it.
- the vibration of the reactor L 1 can be absorbed more efficiently by optimizing the positional relationship between the reactor L 1 as the vibration source and the engine mount.
- the engine mount EM may be arranged in the vicinity of the rear tuttle L1. According to this configuration, the vibration of the reactor L 1 is efficiently absorbed by the nearby engine mount EM and is prevented from propagating to the body. At this time, as long as the engine mount EM and the reactor L 1 can be arranged so as to vibrate on substantially the same straight line, it is more effective in absorbing the vibration of the reaction L 1 as long as it is allowed. It is clear.
- the elastic body in the engine mount EM is arranged so as to substantially match the vibration direction of the 1S reactor L 1.
- the engine mount is designed so that the vibration direction of the elastic body inside the engine mount EM (corresponding to the direction of the arrow LN 2) substantially matches the vibration direction of the reactor L 1. If the EM is installed, the vibration of the reactor L 1 can be absorbed efficiently. Furthermore, in this configuration, if the vibration direction of the elastic body inside the engine mount EM is arranged so as to substantially match the vibration direction of the engine ENG, the vibration damping force of the engine mount EM can be used to the maximum. Is possible. In this case, the engine mount EM is arranged so that the vibration direction of the elastic body inside the engine mount EM substantially matches the vibration direction of the reactor 1 and the reciprocating motion of the piston inside the engine ENG. .
- the power control unit including the inverter and the step-up converter is made compact by using the free space of the motor generator MG 2 of the transaxle and the power split mechanism. Can be placed.
- the shape of the transaxle portion of a conventional gasoline vehicle can be approximated, so that a power output device for a hybrid vehicle that can be mounted on more types of vehicles can be realized.
- the vibration generated in the reactor of the boost converter of the power control unit can be absorbed by an existing vibration isolator that absorbs engine vibration.
- the vibration of the reactor is prevented from propagating to the body, and the occurrence of noise in the passenger compartment can be prevented.
- the present invention can be applied to a power output apparatus mounted on a hybrid vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800381308A CN101300148B (zh) | 2005-10-13 | 2006-10-12 | 混合动力车辆的动力装置 |
EP06811994A EP1935695A4 (en) | 2005-10-13 | 2006-10-12 | POWER OUTPUT DEVICE OF HYBRID VEHICLE |
US12/083,615 US7963353B2 (en) | 2005-10-13 | 2006-10-12 | Power output device of hybrid vehicle |
AU2006300211A AU2006300211B2 (en) | 2005-10-13 | 2006-10-12 | Power output device of hybrid vehicle |
BRPI0617235-0A BRPI0617235A2 (pt) | 2005-10-13 | 2006-10-12 | dispositivo da saìda de potência de veìculo hìbrido |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-299094 | 2005-10-13 | ||
JP2005299094A JP4218671B2 (ja) | 2005-10-13 | 2005-10-13 | ハイブリッド車両の動力出力装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007043706A1 true WO2007043706A1 (ja) | 2007-04-19 |
Family
ID=37942918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/320805 WO2007043706A1 (ja) | 2005-10-13 | 2006-10-12 | ハイブリッド車両の動力出力装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7963353B2 (ja) |
EP (1) | EP1935695A4 (ja) |
JP (1) | JP4218671B2 (ja) |
KR (1) | KR100940582B1 (ja) |
CN (1) | CN101300148B (ja) |
AU (1) | AU2006300211B2 (ja) |
BR (1) | BRPI0617235A2 (ja) |
RU (1) | RU2381917C2 (ja) |
WO (1) | WO2007043706A1 (ja) |
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JP4679891B2 (ja) * | 2004-11-30 | 2011-05-11 | トヨタ自動車株式会社 | 交流電圧発生装置および動力出力装置 |
JP4337803B2 (ja) * | 2005-10-28 | 2009-09-30 | トヨタ自動車株式会社 | ハイブリッド車両の駆動装置 |
JP4248565B2 (ja) | 2006-06-13 | 2009-04-02 | トヨタ自動車株式会社 | 車両駆動機構 |
JP2009232652A (ja) * | 2008-03-25 | 2009-10-08 | Aisin Aw Co Ltd | 回転電機制御システム及び当該回転電機制御システムを備えた車両駆動システム |
DE102010009832A1 (de) * | 2010-03-02 | 2011-09-08 | Ivd Prof. Hohenberg Gmbh | Kraftfahrzeug mit kombiniertem Antrieb |
US8446024B2 (en) * | 2010-03-16 | 2013-05-21 | Hamilton Sundstrand Corporation | Electrical machines with integrated power and control and including a current source inverter |
CN103847530B (zh) | 2012-12-03 | 2017-04-12 | 通用电气公司 | 电驱动系统及其能量管理方法 |
JP6318657B2 (ja) * | 2014-01-31 | 2018-05-09 | トヨタ自動車株式会社 | 電力制御装置 |
US9448135B2 (en) | 2014-07-16 | 2016-09-20 | Ford Global Technologies, Llc | Torque error detection and torque estimation system |
US9988036B2 (en) * | 2014-09-05 | 2018-06-05 | Ford Global Technologies, Llc | Clutch and electric machine control for driveline damping |
RU2644819C1 (ru) * | 2017-02-09 | 2018-02-14 | Игорь Владимирович Леонов | Способ управления дизель-электрическим агрегатом с маховичным аккумулятором и устройство для его реализации |
JP2019077218A (ja) * | 2017-10-20 | 2019-05-23 | トヨタ自動車株式会社 | ハイブリッド車両の駆動装置 |
US11362016B2 (en) | 2018-05-02 | 2022-06-14 | Ford Global Technologies, Llc | Transaxle with semiconductor device cooling arrangement |
JP7205410B2 (ja) * | 2019-07-26 | 2023-01-17 | 株式会社デンソー | 電池監視装置 |
EP3815944B1 (en) * | 2019-10-31 | 2022-06-15 | BRUSA Elektronik AG | Compact powertrain with an electric motor |
CN110949145A (zh) * | 2019-11-29 | 2020-04-03 | 东风柳州汽车有限公司 | 发动机集成电机的增程器系统 |
EP4112350A1 (en) * | 2021-07-02 | 2023-01-04 | MAHLE Powertrain, LLC | Hybrid power train for vehicles with a low-voltage motor-generator |
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2005
- 2005-10-13 JP JP2005299094A patent/JP4218671B2/ja not_active Expired - Fee Related
-
2006
- 2006-10-12 WO PCT/JP2006/320805 patent/WO2007043706A1/ja active Application Filing
- 2006-10-12 EP EP06811994A patent/EP1935695A4/en not_active Withdrawn
- 2006-10-12 KR KR1020087011179A patent/KR100940582B1/ko active IP Right Grant
- 2006-10-12 BR BRPI0617235-0A patent/BRPI0617235A2/pt not_active IP Right Cessation
- 2006-10-12 US US12/083,615 patent/US7963353B2/en not_active Expired - Fee Related
- 2006-10-12 RU RU2008118505/11A patent/RU2381917C2/ru not_active IP Right Cessation
- 2006-10-12 CN CN2006800381308A patent/CN101300148B/zh not_active Expired - Fee Related
- 2006-10-12 AU AU2006300211A patent/AU2006300211B2/en not_active Ceased
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See also references of EP1935695A4 |
Also Published As
Publication number | Publication date |
---|---|
JP2007106256A (ja) | 2007-04-26 |
EP1935695A1 (en) | 2008-06-25 |
KR100940582B1 (ko) | 2010-02-03 |
RU2008118505A (ru) | 2009-11-20 |
US7963353B2 (en) | 2011-06-21 |
CN101300148A (zh) | 2008-11-05 |
AU2006300211A1 (en) | 2007-04-19 |
CN101300148B (zh) | 2011-05-11 |
US20090242286A1 (en) | 2009-10-01 |
BRPI0617235A2 (pt) | 2011-07-19 |
JP4218671B2 (ja) | 2009-02-04 |
EP1935695A4 (en) | 2008-12-10 |
KR20080056766A (ko) | 2008-06-23 |
AU2006300211B2 (en) | 2012-02-16 |
RU2381917C2 (ru) | 2010-02-20 |
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