WO2005051698A1 - 車両の駆動機構 - Google Patents

車両の駆動機構 Download PDF

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Publication number
WO2005051698A1
WO2005051698A1 PCT/JP2004/017424 JP2004017424W WO2005051698A1 WO 2005051698 A1 WO2005051698 A1 WO 2005051698A1 JP 2004017424 W JP2004017424 W JP 2004017424W WO 2005051698 A1 WO2005051698 A1 WO 2005051698A1
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WO
WIPO (PCT)
Prior art keywords
gear
drive
output shaft
motor
vehicle
Prior art date
Application number
PCT/JP2004/017424
Other languages
English (en)
French (fr)
Inventor
Masanori Mori
Original Assignee
Aisin Seiki Kabushiki Kaisha
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 Aisin Seiki Kabushiki Kaisha filed Critical Aisin Seiki Kabushiki Kaisha
Priority to EP04819377A priority Critical patent/EP1693238B1/en
Priority to DE602004026472T priority patent/DE602004026472D1/de
Publication of WO2005051698A1 publication Critical patent/WO2005051698A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B60L50/10—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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
    • 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
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/04—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—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
    • B60L2240/421—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
    • 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
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • Y02T10/7072—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 drive mechanism of a vehicle, and more particularly to a drive mechanism having two types of prime movers and switching between the two in combination for traveling the vehicle.
  • AM T automatic manual transmission
  • a manual transmission gear with excellent transmission efficiency is incorporated, and an automatic clutch mechanism and an automatic transmission mechanism are incorporated into the type transmission.
  • the clutch operation and the gear shift operation are automatically performed according to the driver's accelerator operation amount and the traveling state of the vehicle.
  • the clutch is disconnected and the gear shift operation is performed.
  • the driving power of the engine is cut off, and so-called feeling of weakness is felt.
  • a hybrid aimed at low exhaust gas' fuel saving is attracting attention, and as a method for reducing or avoiding the feeling of weakness, the electric motor provided as a second drive source is used to cut off the clutch. Then, a method is proposed to transmit the driving force of the motor to the tire to suppress the reduction of the driving force.
  • a hybrid vehicle adopting this method is also referred to as a hybrid vehicle with an automatic manual transmission (AMT-HV), and as technical documents related thereto, JP-A-11 69509, JP-A 11-141665, JP-A 2002- No. 160540 can be cited.
  • the output of the internal combustion engine is transmitted to the drive wheels via a clutch, a speed changer, and a differential gear, and the motor as the second drive source is It is coupled via gear means between the transmission and the differential. And, in a state where the clutch is disengaged, the driving force of the motor is transmitted to the differential gear and the drive wheel via the gear means, so that disconnection of the driving force can be avoided and feeling of weakness can be alleviated. ing.
  • Japanese Patent Laid-Open Publication No. 11-141665 discloses a transmission for an automobile in which gear means (geared in FIG. 1 of the same publication, coupled to a fourth gear) is incorporated to transmit motor output inside the transmission. It is said that the feeling of weakness can be alleviated in the same manner.
  • Japanese Patent Laid-Open Publication No. 2002-160540 discloses a method of forming a gear in a differential case and transmitting a motor output (see FIG. 1 of the same publication). In this method, the feeling of weakness can be mitigated in the same manner, and changes to the inside of the transmission can be reduced.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 11 69509
  • Patent Document 2 Japanese Patent Application Laid-Open No. 11-141665
  • Patent Document 3 Japanese Patent Application Laid-Open No. 2002-160540
  • a motor (70 in FIG. 5) can be used.
  • the ring gear (63A in FIG. 5; gear in FIG. 5) of the differential (63 in FIG. 5) (represented by the ratio r2Zrl of radius r2), the drive shaft (66 in FIG. 5) and the rotation shaft of the motor Since the distance to (71 in Fig.
  • the motor size (diameter ⁇ M,) can be used to secure the working range of the drive shaft (enclosed area in Fig. 5) according to turning and road conditions. There may be restrictions on the axial length). Also, under such constraints, a motor of an acceptable size may not be able to provide the required driving force, and if the reduction ratio is reduced to adopt a large motor, it is necessary. I can't get enough torque! / ⁇ Things can happen.
  • the present invention has been made in view of the above-described circumstances, and the object of the present invention is to make it possible to eliminate the feeling of weakness described above, and to use only a conventional internal combustion engine as a drive source. It is an object of the present invention to provide a low cost add-on type drive mechanism requiring few changes to the device.
  • An automatic transmission comprising a drive mechanism of a vehicle including: a differential device configured to transmit the rotational force of the output shaft input through the first drive gear to each drive wheel side;
  • a vehicle drive mechanism is provided that enables torque assist with an electric motor without changing the basic configuration of the part.
  • a driving gear formed on the output shaft of the motor disposed parallel to the output shaft of the transmission, and an intermediate reduction shaft disposed parallel to the output shaft of the transmission and the motor , And the intermediate reduction shaft is formed with a second drive gear for transmitting the rotational force of the output shaft of the motor to the differential device.
  • the driving force of the engine acts on the power transmission portion of the automatic transmission, so that it is possible to share most of the parts and achieve low cost. Further, It is possible to obtain sufficient driving force and torque as compared with the conventional homogeneous mechanism.
  • the drive mechanism of the vehicle includes a first drive gear (49 in FIG. 1) formed on the output shaft (42 in FIG. 1) of the gear type transmission (upper part in FIG. 1).
  • the motor gear (60 in FIG. 1) is formed on the motor output shaft (60 in FIG. 1) disposed parallel to the transmission shaft (42 in FIG. 1) on the motor (lower side in FIG. 1) side. 61) and an intermediate reduction shaft (62 in FIG. 1) disposed parallel to the output shafts (42 and 60 in FIG. 1) of the gear transmission and the motor.
  • the intermediate reduction shaft (62 in FIG. 1) includes a driven gear (63 in FIG. 1) that engages with the drive gear (61 in FIG.
  • the output of the motor acts on the differential (14 in FIG. 1).
  • the structure of the transmission (AMT) part can be maintained as it is, as there is no need to improve the strength of the AMT) gears and the support members of the shafts (34 and 42 in Fig. 1).
  • the driving force of the motor can be reduced by the gear ratio between the driving gear (61 in FIG. 1) and the first driven gear (63 in FIG. 1) and the second driving gear (FIG. 1).
  • driving the differential gear (14 in FIG. 1) via 64 it is possible to eliminate the feeling of weakness.
  • the shift control in an ECU (Electronic Control Unit) or the like It is possible to use it for the drive control etc. of a motor. Furthermore, by transmitting to the indicator on the driver's seat side, it is also possible to eliminate the vehicle speed sensor that is conventionally located near the differential (14 in Figure 1).
  • FIG. 1 is a skeleton diagram showing a schematic configuration (four-speed state) of a drive mechanism according to the present embodiment
  • FIG. 2 shows a configuration of a vehicle equipped with the drive mechanism according to the present embodiment. It is a block diagram.
  • the hybrid vehicle according to the present embodiment includes an engine represented by an internal combustion engine (hereinafter, also abbreviated as "EZG") 11 and a motor generator driven by electricity stored in a battery 19 (hereinafter referred to as "the engine”).
  • the engine There are two types of prime movers: 12).
  • the hybrid vehicle includes an HV-ECU 21 (Hybrid Vehicle Electronic Control Unit) that takes control of the entire vehicle, an MG-ECU and an inverter 22 that instructs the MG 12 to drive or regenerate, and an engine 11.
  • HV-ECU 21 Hybrid Vehicle Electronic Control Unit
  • the HV-ECU 21 controls and manages the MG-ECU and the inverter 22, the E / G-ECU 23, and the battery ECU 25 in response to the driver's traveling intention.
  • the EZG-ECU 23 cooperates with the AMT-ECU 24 to produce the best combustion state, and performs fuel control at engine start by the starter 20.
  • the driver's seat is provided with an indicator 26 for displaying the speed of the vehicle.
  • a fly wheel 32 is fixed to the end of the output shaft 31 of the engine 11, and a clutch element 33 is attached to the flywheel 32. It is possible to be disengaged by the user 17.
  • the driven member of the clutch is integrally attached to the input shaft 34 of the transmission 13 in the rotational direction by a spline or the like.
  • drive gears of lst 35, Rev 36 and 2nd 37 are integrally constructed in order of clutch side force, and further, drive gears of 3rd 38, 4th 39, 5th 40 and 6th 41 are rotatably mounted.
  • the output shaft 42 of the transmission 13 is provided in parallel with the input shaft 34, and the lst 43 and 2nd 44 driven gears are rotatably provided at positions where they mesh with the gears 3rd 45, 4th 46, 5th 47, and 6th 48 Each driven gear is integrally mounted.
  • a drive gear 49 which engages with a ring gear (final gear) 70 provided on the case of the differential gear 14, is integrally mounted. It is done.
  • an axis 50 parallel to the input shaft 34 of the transmission 13 is provided, and a Rev idler gear 51 is rotatably mounted.
  • the idler gear can also move in the axial direction, and does not fit with the Rev drive gear 36 at the clutch side position (thick solid line), but at the position (thin line) at the 6th drive gear 41 side If it is possible, it will be.
  • hub members 52, 53, 54 that rotate fixedly with the respective shafts are provided.
  • engaging means such as splines on the circumference, and the sleeve members 55, 56, 57 provided on the outer circumference are in mesh with each other, and the sleeve is powered in the axial direction (left and right) by the shift actuator 18
  • the right gear and the spline configured on the right gear are in a state capable of meshing power transmission and in a neutral state in which none of the gears are meshed.
  • the sleeve member 57 moves to the right and is in the fourth speed state.
  • a gear 58 is provided on the sleeve member 55 between the lst 43 and the 2nd 44 of the output shaft 42 and further extended to the outer peripheral part, and the gear 58 has the Re V idler gear 51 meshed with the Rev drive gear 36 In this state, the idler gear 51 is engaged, and two states of the neutral state and the Rev driving state are configured.
  • the driving force of engine 11 is such that the clutch is engaged by clutch actuator 17 and the first drive gear 49 at the end of output shaft 42 according to the gear ratio selected by shift actuator 18. It is transmitted.
  • the driving force output by the MG 12 is transmitted to a driving gear 61 integrally provided at the end of the MG output shaft 60.
  • An intermediate reduction shaft 62 disposed parallel to the MG output shaft 60 includes a driven gear 63 which is engaged with the driving gear 61, and a ring gear (final gear) provided in the case of the differential gear (differential) 14.
  • a second drive gear 64 is provided to mate with the drive gear 70. The drive force of the MG 12 is transmitted to the second drive gear at a predetermined reduction ratio.
  • the outputs of engine 11 and MG 12 are transmitted to ring gear (final gear) 70 by HV-ECU 21 (Hybrid Vehicle Electronic Control Unit), and via differential (differential) 14 If necessary, the axle shaft 15, 15 'and the drive wheels 16, 16' are driven after absorbing the difference in rotational speed.
  • HV-ECU 21 Hybrid Vehicle Electronic Control Unit
  • MG 12 has both a function of receiving power and converting it into driving force and a function of converting driving force into power, and the magnetic force generated by stator member 66 with three-phase power. By passing a large amount of current at the optimum position to pass back through the iron part of the rotor, efficient conversion is possible, including the generation of the driving force and control of the rotational direction.
  • a resolver 65 is mounted on the opposite side of the output shaft 60 of the MG 12 as a rotation detection device.
  • the resolver 65 detects the relative angle between the wound stator member 66 of the MG 12 coil and the rotor member 67 that rotates integrally with the MG output shaft 60, and Available.
  • it is possible to use as the speed of the vehicle by converting the resolver signal by a numerical value depending on the number of MG 12 poles and a gear ratio on the MG 12 side.
  • the indicator 26 of the driver's seat panel is driven via the HV-ECU 21 and EZG-ECU.
  • FIG. 3 is a cross-sectional view showing a specific configuration of the drive mechanism according to the present embodiment, and a ring gear (final gear) 70 provided on the outer side of the case of the differential device 14 is
  • the first drive gear 49 of the transmission side output shaft 42 and the second drive gear 64 of the intermediate reduction shaft 62 on the MG side are in mesh with each other.
  • the second drive gear 64 is configured to be driven via the driven gear 63 coaxially disposed and the driving gear 61 on the MG 12 side.
  • FIG. 4 is a side view showing a specific configuration of the drive mechanism according to the present embodiment, and in the figure, the thick dotted-dotted circle indicates the pitch circle of the driving gear 61 and the target of the intermediate reduction shaft 62.
  • the pitch circle of the drive gear 63 is shown, and the thick dotted circle is provided on the position of the intermediate reduction shaft 62 on the MG side, the first and second drive gears 49 and 64, and the case of the differential gear (differential) 14, respectively.
  • the drive mechanism according to the present embodiment can be configured in the form of being added to the existing transmission 13.
  • the radius (rl, r2, r3) of the second drive gear 64, driving gear 61, and driven gear 63 is appropriate even compared to the conventional system in which the driving force of the motor is directly transmitted to the differential gear side. It is possible to secure the necessary speed reduction ratio r4Zr3 X r2Zrl by setting it in. At the same time, in order to eliminate restrictions on the distance between the MG 12 and the axle shaft 15, a large-diameter motor should be adopted to realize the necessary driving force and torque appropriately determined according to the type of motor or vehicle. Is possible. In addition, since it is not necessary to adopt a motor with a long shaft length at that time, there is no problem in securing the working range of the drive shaft (the enclosed area in Fig. 3).
  • the resolver signal of the MG 12 is used as the vehicle speed signal, the conventional manual gear transmission and the vehicle speed sensor attached to the type transmission should be eliminated. It is possible to reduce the size and drive cost of the drive mechanism of the vehicle.
  • the drive device provides the engine driving force assistance for improving the acceleration and the climbing force, which is not only at the time of shifting.
  • Control using the driving force of the motor, which is the second drive source in situations such as traveling using the drive motor only, engine stop and restart when the vehicle is stopped, start assistance to prevent the vehicle from sliding down when starting on a slope. It is possible to In addition, when it is possible to regenerate the kinetic energy of the vehicle under deceleration in these situations as electric power, of course, it is possible to assist the driving force of the engine utilizing the regenerative energy, thereby improving fuel economy. But there are significant effects.
  • FIG. 1 is a skeleton diagram showing a schematic configuration (four-speed state) of a drive mechanism according to an embodiment of the present invention.
  • Fig. 2 is a block diagram showing a configuration of an unknown vehicle.
  • FIG. 3 is a cross-sectional view showing a specific configuration of a drive mechanism according to an embodiment of the present invention.
  • FIG. 4 is a side view showing a specific configuration of a drive mechanism according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a conventional drive mechanism for a hybrid vehicle.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)
  • General Details Of Gearings (AREA)

Abstract

　低コストなアドオンタイプの車両の駆動機構を提供する。 　エンジンと、自動変速機と、該自動変速機の出力軸に形成される第１の駆動ギヤと、該第１の駆動ギヤを介して入力された前記出力軸の回転力を各駆動輪側に伝達する差動装置と、を備える車両の駆動機構に、電動機と、前記変速機の出力軸と平行に配設された前記電動機の出力軸に形成される原動ギヤと、前記変速機及び電動機の出力軸に平行に配設される中間減速軸と、を備え、前記中間減速軸に、前記電動機側の原動ギヤと噛合する被駆動ギヤと、前記電動機の出力軸の回転力を前記差動装置に伝達する第２の駆動ギヤとを形成する。

Description

明 細 書
車両の駆動機構
技術分野
[0001] 本発明は、車両の駆動機構に関し、特に、 2種類の原動機を有し、両者を併用乃 至切り替えて車両を走行させる駆動機構に関する。
背景技術
[0002] 近年、伝達効率に優れたマニュアル操作のギヤ嚙み合!、式変速機に自動クラッチ 機構、自動変速機構を組み込み電子制御化した自動マニュアル変速機 (以下、 AM Tともいう）の開発が進んでいる。この自動マニュアル変速機方式では、運転者のァク セル操作量と車両の走行状態に応じて自動的にクラッチ操作及び変速操作が行わ れるのである力 変速時はクラッチを切断して変速操作が行なわれるので、その間は エンジンの駆動力が絶たれ、いわゆる脱力感が感じられる。
[0003] そこで、低排気ガス '省燃費を目的としたハイブリッドが注目され、前記脱力感を低 減又は回避する方法として、第 2の駆動源として備える電気モータを用いて、前記ク ラッチ切断状態ではモータの駆動力をタイヤに伝達させ駆動力の低減を抑える方式 が検討されている。この方式を採用するハイブリッド車を、自動マニュアル変速機付 ハイブリッド車 (AMT— HV)ともいい、これらに関する技術文献としては、特開平 11 69509号公報、特開平 11— 141665号公報、特開 2002— 160540号公報力挙げら れる。
[0004] 特開平 11 69509号公報の変速制御装置では、内燃機関の出力はクラッチ、変 速機、差動装置を経由して駆動輪に伝達され、第 2の駆動源であるモータは、前記 変速機と差動装置の中間に歯車手段を介して結合されている。そして、クラッチが切 断された状態では、モータの駆動力は、歯車手段を経由して差動装置及び駆動輪 に伝達されるため、駆動力の切断を回避し、脱力感を緩和できるとされている。
[0005] また、特開平 11— 141665号公報には、変速機内部にモータ出力を歯車伝達する ギヤ手段（同公報の図 1では 4速ギヤに結合）が組み込まれた自動車用変速機が紹 介されており、同様にして前記脱力感を緩和出来るとされている。 [0006] 更に、特開 2002— 160540号公報には、ディファレンシャルのケースに歯車を形成 し、モータ出力を伝達する方式が紹介されている（同公報の図 1参照)。この方式で は、同様にして前記脱力感を緩和でき、また、変速機内部への変更を少なくすること ができるものとなっている。
[0007] 特許文献 1：特開平 11 69509号公報
特許文献 2：特開平 11—141665号公報
特許文献 3：特開 2002— 160540号公報
発明の開示
発明が解決しょうとする課題
[0008] し力しながら、上記特開平 11 69509号公報記載の方式では、モータの軸部で必 要とするトルクの大きさを考えると、クラッチの切断時に、今までエンジンで駆動してい たトルクにモータのトルクを匹敵させる必要があり、非常に大きな体格のモータが必 要となり、車両への搭載上の制限やコストが高くなるという問題点がある。また、特開 平 11 - 141665号公報記載の方式では、上記特開平 11 - 69509号公報のモータの 体格が大きくなるという問題点は回避できているが、エンジンとモータの併用駆動時 には両者の駆動力が作用する部品（同公報図 1のギヤ 64、出力軸 60、及び図には ないが差動装置等)の強度の向上が必要となり、設計工数及びコストが増大してしま うおそれがある。
[0009] 一方、特開 2002— 160540号公報記載の駆動装置では、従来部品を多用するァ ドオン構成とした低コストィ匕が可能である力 図 5に示されるように、モータ（図 5の 70) とディファレンシャル（図 5の 60)間で、必要な減速比（端的には、例えば、図 5のモー タ回転軸（図 5の 71)に形成される歯車（図 5の 71A)の半径 rlと、ディファレンシャル (図 5の 63)側のリングギヤ（図 5の 63A;歯車）の半径 r2の比 r2Zrlで表される）を取 ると、駆動軸（図 5の 66)と、モータの回転軸（図 5の 71)との距離が決まってしまうこと から、旋回や路面の状況に応じた駆動軸の作用範囲（図 5の囲み領域)を確保する 上で、モータのサイズ (径 φ M、軸長）に制約が生じうる。また、このような制約の下で は、採用しうるサイズのモータが、要求される駆動力を出せない事態が生じ得、また、 大型のモータを採用すべく上記減速比を小さく取ると、必要とするトルクが出せな!/ヽ 事態が生じうる。
[0010] 本発明は、上記した各事情に鑑みてなされたものであって、その目的とするところ は、上記した脱力感を解消可能とするとともに、従来の内燃機関のみを駆動源とする 駆動装置に対する変更が少なくて済む、低コストなアドオンタイプの駆動機構を提供 することにある。
課題を解決するための手段
[0011] 前記課題を解決するための手段を提供する本発明の第 1の視点によれば、ェンジ ンと、自動変速機と、該自動変速機の出力軸に形成される第 1の駆動ギヤと、該第 1 の駆動ギヤを介して入力された前記出力軸の回転力を各駆動輪側に伝達する差動 装置と、を備える車両の駆動機構であって、上記自動変速機 (AMT)部分の基本構 成に変更を加えずに、電動機によるトルクアシストを可能とする車両の駆動機構が提 供される。電動機側には、前記変速機の出力軸と平行に配設された前記電動機の 出力軸に形成される原動ギヤと、前記変速機及び電動機の出力軸に平行に配設さ れる中間減速軸と、を備えてなり、前記中間減速軸に、前記電動機の出力軸の回転 力を前記差動装置に伝達する第 2の駆動ギヤを形成したことを特徴とするものである 発明の効果
[0012] 本発明によれば、自動変速機の動力伝達部分には、エンジンの駆動力のみが作 用するため、ほとんどの部品を共用でき、低コストィ匕を図ることが可能となり、更には、 従来の同種機構に比較しても、十分な駆動力、トルクを得ることが可能となる。
発明を実施するための最良の形態
[0013] 続いて、本発明のその好ましい実施の形態について説明する。本実施の形態に係 る車両の駆動機構は、歯車式変速機（図 1の上段)の出力軸（図 1の 42)に形成され る第 1の駆動ギヤ（図 1の 49)を備えるとともに、電動機（図 1の下段)側に、変速機の 出力軸（図 1の 42)と平行に配設された電動機の出力軸（図 1の 60)に形成される原 動ギヤ（図 1の 61)と、歯車式変速機及び電動機の出力軸（図 1の 42、 60)に平行に 配設される中間減速軸（図 1の 62)と、を備えてなる。中間減速軸（図 1の 62)には、 電動機側の原動ギヤ（図 1の 61)と嚙合する被駆動ギヤ（図 1の 63)と、第 2の駆動ギ ャ（図 1の 64)とが形成される。第 1の駆動ギヤ（図 1の 49)及び第 2の駆動ギヤ（図 1 の 64)は、差動装置（図 1の 14)のリングギヤ（ファイナルギヤ）（図 1の 70)に嚙合す るものとなっている。また、前記電動機の出力軸（図 1の 60)の一端には、回転検出セ ンサ（図 1の 65)が備えられている。
[0014] 上記構成よりなる本実施の形態の駆動機構によれば、差動装置（図 1の 14)に電動 機（図 1の下段）の出力が作用するようにしたので、自動変速機 (AMT)の各ギヤ及 び各軸（図 1の 34、 42)の支持部材等に強度向上の必要がなぐ変速機 (AMT)部 分の構成はそのままとすることが可能であり、変速時のクラッチ断状態にはモータの 駆動力を、原動ギヤ（図 1の 61)と第 1の被駆動ギヤ（図 1の 63)とのギヤ比による減 速機構及び第 2の駆動ギヤ（図 1の 64)を介して、差動ギヤ（図 1の 14)を駆動させて 、脱力感を解消させることが可能となる。
[0015] また、車両走行中、常時回転する回転検出センサ（図 1の 65)から得られる回転数 の値は、車両速度に比例するため、図示しない ECU (Electronic Control Unit)等 における、変速制御やモータの駆動制御等に使用することが可能である。更には、 運転席側のインジケータへ送信することで、従来差動装置（図 1の 14)近傍に配置す る車速センサを廃止することも可能となる。
実施例
[0016] 続いて、本発明の一実施例について図面を参照して詳細に説明する。図 1は、本 実施例に係る駆動機構の概略構成 (4速状態)を表したスケルトン図であり、図 2は、 本実施例に係る駆動機構を搭載したノ、イブリツド車両の構成を示したブロック図であ る。まず始めに、図 2を参照して、本実施例に係るハイブリッド車両の構成について説 明する。本実施例に係るハイブリッド車両は、内燃機関で代表されるエンジン (以下、 省略形として「EZG」も用いる） 11と、ノ ッテリ 19に蓄積された電気で駆動されるモ ータジェネレータ（以下、「MG」と省略する） 12との 2種類の原動機を有している。ェ ンジン 11の出力は、変速機 13に伝達され、次いで、出力部である差動装置 (ディフ アレンシャル）14を経由してアクスルシャフト 15、 15'及び駆動輪 16、 16'に伝達され 、車両を駆動する。 MG12の出力も同様に差動装置 (ディファレンシャル）14を経由 して車両を駆動可能になっている。 [0017] また、本実施例に係るハイブリッド車両は、車両全体の制御を掌る HV— ECU21 ( Hybrid Vehicle Electronic Control Unit)、 MG12に駆動又は回生を指令する M G— ECU及びインバータ 22、エンジン 11の停止及び燃焼状態を制御する EZG— E CU23、変速機 13に組み込まれたクラッチァクチユエータ 17、変速ァクチユエータ 1 8をコントロールし最適な変速を行なわしめる AMT— ECU24、バッテリ 19の充電状 態を管理する電池 ECU25とを備えている。 HV— ECU21は、ドライバーの走行意志 を受けて MG— ECU及びインバータ 22、 E/G— ECU23、電池 ECU25を制御'管 理する。また、 EZG— ECU23は、 AMT— ECU24と連携して最良の燃焼状態を生 み出すと共に、スタータ 20によるエンジン始動時の燃料制御を行なう。また、運転席 には、車両の速度を表示するインジケータ 26が設けられて 、る。
[0018] 続いて、図 1を参照して、本実施例に係る駆動機構について、説明する。まず、変 速機 13側の構成について説明すると、エンジン 11の出力軸 31端部には、フライホイ ール 32が固定されており、フライホイール 32にはクラッチ要素 33が取り付けられ、ク ラッチァクチユエータ 17によって係脱可能になっている。クラッチの被動部材はスプ ライン等によって回転方向に対して、変速機 13の入力軸 34に一体的に取り付けられ ている。入力軸 34には、クラッチ側力も順に lst35、 Rev36、 2nd37の駆動ギヤが一 体的に構成され、さらに 3rd38、 4th39、 5th40、 6th41の駆動ギヤが回転自在に 装着されている。また、入力軸 34と平行に、変速機 13の出力軸 42が設けられ、前記 各ギヤと嚙み合う位置に、 lst43、 2nd44被駆動ギヤが回転自在に、 3rd45、 4th4 6、 5th47、 6th48の各被駆動ギヤが一体的に装着されている。そして、変速機 13の 出力軸 42のクラッチ側の端部には、差動装置 (ディファレンシャル） 14のケースに設 けられたリングギヤ (ファイナルギヤ） 70と嚙合する駆動ギヤ 49がー体的に装着され ている。更に、変速機 13側には、変速機 13の入力軸 34と平行な軸 50が設けられ、 Revアイドラギヤ 51が回転自在に装着されている。アイドラギヤは軸方向にも移動可 能で、クラッチ側の位置 (太実線)では Rev駆動ギヤ 36とは嚙み合わないが、 6th駆 動ギヤ 41側の位置（細線)では Rev駆動ギヤ 36と嚙み合 、可能となって 、る。
[0019] 変速機 13の入力軸 34及び出力軸 42の各駆動ギヤ、被駆動ギヤの間には、各軸と 固定的に回転するハブ部材 52、 53、 54が設けられている。夫々のハブ部材には外 周にスプライン等の係合手段があり、更に外周に設けられるスリーブ部材 55、 56、 5 7と嚙み合い、該スリーブは変速ァクチユエータ 18により軸方向（図左右）に動力され る事によって、左側のギヤ、右側のギヤに構成されたスプラインと嚙み合い動力伝達 可能な状態と、いずれのギヤとも嚙み合わない中立状態になる。図 1では、スリーブ 部材 57が右動し 4速状態となっている。また、出力軸 42の lst43、 2nd44の間にあ るスリーブ部材 55には更に外周部に延びた部分にギヤ 58が設けられ、ギヤ 58は Re Vアイドラギヤ 51が Rev駆動ギヤ 36と嚙み合った状態でアイドラギヤ 51と嚙み合い、 中立状態と Rev駆動状態の 2つの状態を構成する。
[0020] 上記のとおり、エンジン 11の駆動力は、クラッチァクチユエータ 17によってクラッチ が係合状態となり、変速ァクチユエータ 18によって選択された変速比に従って出力 軸 42端の第 1の駆動ギヤ 49に伝達される。
[0021] 一方、 MG12で出力される駆動力は、 MG出力軸 60端に一体的に設けられた原 動ギヤ 61に伝達される。 MG出力軸 60と平行に配設された中間減速軸 62には、原 動ギヤ 61と嚙み合う被駆動ギヤ 63と、差動装置 (ディファレンシャル） 14のケースに 設けられたリングギヤ (ファイナルギヤ） 70と嚙合する第 2の駆動ギヤ 64と、が設けら れ、 MG12の駆動力は、所定の減速比にて、第 2の駆動ギヤに伝達される。
[0022] 上記構成により、 HV— ECU21 (Hybrid Vehicle Electronic Control Unit)によつ て、エンジン 11並びに MG12の出力は、リングギヤ（ファイナルギヤ） 70に伝達され、 差動装置 (ディファレンシャル） 14を介して、必要に応じて回転数の差を吸収した上 で、アクスルシャフト 15、 15'及び駆動輪 16、 16'が駆動される。
[0023] また、 MG12は電力を受け取って駆動力に変換するカ行状態と、駆動力を電力に 変換する回生状態の両機能を有し、三相の電力によってステータ部材 66で発生させ た磁力がロータ部の鉄部分を通過して帰るのに最適な位置で多くの電流を流すこと によって、駆動力の発生や回転方向の制御も含めて効率的な変換が出来るように制 御される。
[0024] MG12の出力軸 60の反対側には、回転検出装置として、レゾルバ 65が取り付けら れている。レゾルバ 65は、 MG12のコイルの巻かれたステータ部材 66と、 MG出力 軸 60と一体的に回転するロータ部材 67との間の相対角度を検出し、レゾルバ信号と して利用可能である。例えば、レゾルバ信号を、 MG 12の極数に依存した数値及び MG12側のギヤ比で換算することによって、車両の速度として、用いることが可能で ある。本実施例では、 HV-ECU21 , EZG— ECUを経由して運転席パネルのインジ ケータ 26を駆動する。
[0025] 図 3は、本実施例に係る駆動機構の具体的な構成を示した断面図であり、差動装 置（ディファレンシャル） 14のケース外側に設けられたリングギヤ（ファイナルギヤ） 70 は、変速機側の出力軸 42の第 1の駆動ギヤ 49と、 MG側の中間減速軸 62の第 2の 駆動ギヤ 64とに嚙み合っている。また、第 2の駆動ギヤ 64は、同軸に配された被駆 動ギヤ 63、 MG12側の原動ギヤ 61を介して、駆動される構成となっている。
[0026] 図 4は、本実施例に係る駆動機構の具体的な構成を表した側面図であり、図中太 い一点鎖線の円は、原動ギヤ 61のピッチ円、中間減速軸 62の被駆動ギヤ 63のピッ チ円を表し、太点線の円は、それぞれ MG側の中間減速軸 62の位置、第 1、第 2の 駆動ギヤ 49、 64及び差動装置（ディファレンシャル） 14のケースに設けられたリング ギヤ（ファイナルギヤ） 70のピッチ円を表している。図 3、図 4からも明らかなとおり、本 実施例に係る駆動機構は、既存の変速機 13にアドオンする形式で、構成することが 可能である。また、従来の差動装置側にモータの駆動力を直接伝達する方式と比較 しても、第 2の駆動ギヤ 64、原動ギヤ 61、被駆動ギヤ 63の半径 (rl、 r2、 r3)を適当 に定めることによって、必要な減速比 r4Zr3 X r2Zrlを確保することが可能となって いる。併せて、 MG12とアクスルシャフト 15との距離上の制約も解消するため、大径 のモータを採用し、モータや車両の緒元に応じて適当に定める必要な駆動力とトルク とを実現することが可能である。また、その際に軸長の長いモータを採用する必要も ないため、駆動軸の作用範囲（図 3の囲み領域)の確保に悩まされることはない。
[0027] また、本実施例においては、 MG12のレゾルバ信号を車速信号として使用している ため、従来のマニュアル操作のギヤ嚙み合 、式変速機に付 、て 、た車速センサを 廃止することが可能であり、車両の駆動機構の小型化、低コストィヒを図ることのできる 構成となっている。
[0028] 以上、本発明の一実施例について、説明したが、本発明に係る駆動装置は、変速 時のみでなぐ加速度の向上、登坂力の向上のためのエンジン駆動力の補助、また 、駆動モータのみによる走行、車両停止時のエンジン停止と再始動、坂路発進時車 両のずり下がりを防止する発進補助等の場面において、第 2の駆動源であるモータ の駆動力を利用する制御を行うことが可能である。また、これらの場面における減速 下での車両の運動エネルギーを電力として回生する場合は勿論、前記回生エネル ギーを活用したエンジンの駆動力補助を行うことが可能であり、低燃費性の向上の上 でも著しい効果がある。
図面の簡単な説明
[0029] [図 1]本発明の一実施例に係る駆動機構の概略構成 (4速状態)を表したスケルトン 図である。
[図 2]ノ、イブリツド車両の構成を示したブロック図である。
[図 3]本発明の一実施例に係る駆動機構の具体的な構成を表した断面図である。
[図 4]本発明の一実施例に係る駆動機構の具体的な構成を表した側面図である。
[図 5]従来のハイブリッド車用駆動機構の断面図である。
符号の説明
[0030] 11 エンジン
12 モータジェネレータ（MG)
13 変速機
14 差動装置 (ディファレンシャル）
15、 15, アクスルシャフト
16、 16' 駆動輪
17 クラッチァクチユエータ
18 変速ァクチユエータ
19 バッテリ
20 スタータ
21 HV-ECU
22 MG— ECU及びインバータ
23 E/G-ECU
24 AMT-ECU 電池 ECU インジケータ 出力軸
フライホイール クラッチ要素 変速機入力軸 1st駆動ギヤ Rev駆動ギヤ 2nd駆動ギヤ 3rd駆動ギヤ 4th駆動ギヤ 5th駆動ギヤ 6th駆動ギヤ 変速機出力軸 1st被駆動ギヤ 2nd被駆動ギヤ 3rd被駆動ギヤ 4th被駆動ギヤ 5th被駆動ギヤ 6th被駆動ギヤ 第 1駆動ギヤ Revアイドラギヤ軸 Revアイドラギヤ 、 53、 54 ノヽブ部材 、 56、 57 スリーブ部材 ギヤ
MG出力軸 原動ギヤ 中間減速軸 被駆動ギヤ 第 2駆動ギヤ レゾノレノ ステータ部材 ロータ部材

Claims

請求の範囲
[1] エンジンと、自動変速機と、該自動変速機の出力軸に形成される第 1の駆動ギヤと 、該第 1の駆動ギヤを介して入力された前記出力軸の回転力を各駆動輪側に伝達 する差動装置と、を備える車両の駆動機構において、
電動機と、
前記変速機の出力軸と平行に配設された前記電動機の出力軸に形成される原動 ギヤと、
前記変速機及び電動機の出力軸に平行に配設される中間減速軸と、を備え、 前記中間減速軸に、前記電動機の出力軸の回転力を前記差動装置に伝達する第
2の駆動ギヤを形成したこと、
を特徴とする車両の駆動機構。
[2] 請求項 1に記載の車両の駆動機構にぉ 、て、
前記電動機の出力軸の一端に、回転検出センサを備えたことを特徴とする車両の 駆動機構。
[3] 請求項 2に記載の車両の駆動機構において、
前記回転検出センサの信号を車速信号として用いることを特徴とする車両の駆動 機構。
PCT/JP2004/017424 2003-11-26 2004-11-24 車両の駆動機構 WO2005051698A1 (ja)

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EP1693238A1 (en) 2006-08-23
JP2005153691A (ja) 2005-06-16
CN1886280A (zh) 2006-12-27
EP1693238A4 (en) 2008-01-02
DE602004026472D1 (de) 2010-05-20
EP1693238B1 (en) 2010-04-07

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