JP7487717B2 - Transfer Device - Google Patents

Transfer Device Download PDF

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JP7487717B2
JP7487717B2 JP2021161895A JP2021161895A JP7487717B2 JP 7487717 B2 JP7487717 B2 JP 7487717B2 JP 2021161895 A JP2021161895 A JP 2021161895A JP 2021161895 A JP2021161895 A JP 2021161895A JP 7487717 B2 JP7487717 B2 JP 7487717B2
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shaft member
gear
shaft
rotation
motor
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JP2023051313A (en
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拓紀 赤塚
裕輔 神谷
剛 深谷
篤 伊藤
英也 大澤
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Aisin Corp
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Aisin Seiki Co Ltd
Aisin Corp
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Priority to PCT/JP2022/035712 priority patent/WO2023054260A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/34Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/36Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/38Arrangement 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 driveline clutches
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/40Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/44Series-parallel type
    • B60K6/442Series-parallel switching type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52Driving a plurality of drive axles, e.g. four-wheel drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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
    • F16H3/093Toothed 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 with two or more countershafts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Structure Of Transmissions (AREA)

Description

本発明は、変速機の回転を変速して前輪と後輪とに伝達可能なトランスファ装置に関する。 The present invention relates to a transfer device capable of transmitting rotation of a transmission to front wheels and rear wheels at a variable speed.

従来、四輪駆動の車両においては、エンジンの回転を変速機で変速し、その変速機の回転を前輪及び後輪の両方又は一方に選択的に伝達すると共にLo/Hi切換して伝達するトランスファ装置が用いられている。また、このような四輪駆動の車両にあって、車両の燃費向上のため、トランスファ装置にモータジェネレータを取付け、ハイブリッド走行やEV走行を可能にしたものが提案されている(特許文献1参照)。 Conventionally, four-wheel drive vehicles use a transfer device that changes the engine rotation in a transmission and selectively transmits the rotation of the transmission to both or one of the front and rear wheels, and transmits it by switching between Lo and Hi. In addition, in order to improve the fuel efficiency of such four-wheel drive vehicles, a proposal has been made to attach a motor generator to the transfer device, enabling hybrid driving or EV driving (see Patent Document 1).

特開2015-196413号公報JP 2015-196413 A

ところで、上記特許文献1のものは、変速機に駆動連結される入力軸(62)と、入力軸の回転を減速して伝達するカウンタ軸(64)と、前後のプロペラシャフトに駆動連結される出力軸(71)とを有しており、モータジェネレータ(50)の入力軸(69)に設けられたドライブギヤ(70)がカウンタ軸のドリブンギヤ(68)に噛合している。しかしながら、このような構造で、モータジェネレータによる走行性能(EV走行性能やアシスト走行性能)を向上しようとすると、モータジェネレータを大型化する必要が生じ、車両搭載性が低下してしまう。さらに、モータジェネレータの大型化を防ごうとして、新たにギヤや別の軸を設けると、さらに車両搭載性が低下してしまう虞がある。 The system of Patent Document 1 has an input shaft (62) that is drivingly connected to the transmission, a countershaft (64) that reduces the rotation of the input shaft and transmits it, and an output shaft (71) that is drivingly connected to the front and rear propeller shafts. A drive gear (70) provided on the input shaft (69) of the motor generator (50) meshes with a driven gear (68) on the countershaft. However, if one tries to improve the driving performance (EV driving performance or assisted driving performance) of the motor generator with this structure, it becomes necessary to increase the size of the motor generator, which reduces the vehicle mountability. Furthermore, if a new gear or another shaft is provided in an attempt to prevent the motor generator from becoming larger, there is a risk that the vehicle mountability will be further reduced.

そこで本発明は、回転電機による走行性能を向上し、かつ車両搭載性の低下を防ぐことが可能なトランスファ装置を提供することを目的とするものである。 SUMMARY OF THE PRESENT EMBODIMENTS An object of the present invention is to provide a transfer device which is capable of improving the running performance of a rotating electric machine and preventing a decrease in the mountability of the vehicle.

本発明の一態様としてのトランスファ装置は、
駆動源の回転が伝達される駆動装置において、
前記駆動源の回転が入力される第1軸部材と、
前記第1軸部材と平行に配置され、前記第1軸部材の回転により回転される第2軸部材と、
前記第2軸部材と平行に配置され、前記第2軸部材の回転により回転され、かつ前輪に駆動連結される第1伝達軸と後輪に駆動連結される第2伝達軸との一方に駆動連結された第3軸部材と、
回転電機と、
前記回転電機と同軸上に配置され、前記回転電機により駆動される第4軸部材と、
前記第2軸部材及び前記第4軸部材と平行に配置され、前記第4軸部材の回転を減速して前記第2軸部材に伝達する第5軸部材と、
前記第3軸部材と同軸上に配置され、前記第1伝達軸と前記第2伝達軸との他方に駆動連結された第6軸部材と、
第1速段又は前記第1速段より高速な第2速段を形成し、前記第2軸部材の回転を変速して前記第3軸部材に伝達する変速機構と、
前記第3軸部材と前記第6軸部材とを係合可能な係合機構と、
前記第4軸部材に固定された第1ギヤと、
前記第5軸部材に固定され、前記第1ギヤに噛合する第2ギヤと、
前記第5軸部材に固定された第3ギヤと、
前記第2軸部材に固定された第4ギヤと、
前記第1軸部材に固定された第5ギヤと、を備え、
前記第4ギヤは、前記第3ギヤと前記第5ギヤとに噛合し、
前記トランスファ装置が車両に搭載された状態において、
前記回転電機、前記第1ギヤ、及び前記第2ギヤは、前記第1軸部材に対して前記駆動源とは軸方向の反対側に配置され、
前記変速機構は、前記第4ギヤに対して前記回転電機とは軸方向の反対側に配置され、
前記第1軸部材は、前記変速機構よりも上方に配置された。
A transfer device according to one aspect of the present invention comprises:
In a drive device to which rotation of a drive source is transmitted,
a first shaft member to which rotation of the drive source is input;
a second shaft member disposed parallel to the first shaft member and rotated by the rotation of the first shaft member;
a third shaft member disposed in parallel with the second shaft member, rotated by rotation of the second shaft member, and drivingly connected to one of a first transmission shaft drivingly connected to a front wheel and a second transmission shaft drivingly connected to a rear wheel ;
A rotating electric machine;
a fourth shaft member arranged coaxially with the rotating electric machine and driven by the rotating electric machine;
a fifth shaft member arranged in parallel with the second shaft member and the fourth shaft member, which reduces the rotation speed of the fourth shaft member and transmits the rotation to the second shaft member;
a sixth shaft member that is arranged coaxially with the third shaft member and is drivingly connected to the other of the first transmission shaft and the second transmission shaft;
a speed change mechanism that forms a first speed stage or a second speed stage that is faster than the first speed stage, and changes the speed of rotation of the second shaft member and transmits the rotation to the third shaft member;
an engagement mechanism capable of engaging the third shaft member and the sixth shaft member;
a first gear fixed to the fourth shaft member;
a second gear fixed to the fifth shaft member and meshing with the first gear;
a third gear fixed to the fifth shaft member;
a fourth gear fixed to the second shaft member;
a fifth gear fixed to the first shaft member,
the fourth gear meshes with the third gear and the fifth gear ,
When the transfer device is mounted on a vehicle,
the rotating electric machine, the first gear, and the second gear are disposed on an axially opposite side of the first shaft member from the driving source,
the speed change mechanism is disposed on an axially opposite side of the fourth gear from the rotating electric machine,
The first shaft member is disposed above the speed change mechanism.

本発明によると、第5軸部材によって回転電機の回転を減速して第2軸部材に伝達できるので、回転電機の大型化を招くことなく、回転電機による走行性能を向上することができ、かつ第4ギヤを第3ギヤと第5ギヤとに噛合する共通ギヤとして構成でき、車両搭載性の低下も防ぐことができる。 According to the present invention, the rotation of the rotating electric machine can be reduced and transmitted to the second shaft member by the fifth shaft member, so that the running performance of the rotating electric machine can be improved without increasing the size of the rotating electric machine, and the fourth gear can be configured as a common gear that meshes with the third gear and the fifth gear, preventing a decrease in vehicle mountability.

本実施の形態に係る車両を示す概略模式図。1 is a schematic diagram showing a vehicle according to an embodiment of the present invention; 本実施の形態に係るトランスファ装置を示すスケルトン図。FIG. 1 is a skeleton diagram showing a transfer device according to an embodiment of the present invention. 本実施の形態に係るトランスファ装置を車両の後方側から視た状態を示す概略模式図。1 is a schematic diagram showing a transfer device according to an embodiment of the present invention as viewed from the rear side of a vehicle;

以下、本実施の形態を図1乃至図3に沿って説明する。まず、図1を用い、本実施の形態に係るハイブリッド車両の一例を説明する。 The present embodiment will be described below with reference to Figures 1 to 3. First, an example of a hybrid vehicle according to the present embodiment will be described with reference to Figure 1.

[ハイブリット車両の構成]
図1に示すように、本実施の形態に係るハイブリッド車両である車両100は、四輪駆動の車両であり、矢印Aで示す前方側にエンジン(E/G)(駆動源)10と、該エンジン10の回転を変速する変速機(T/M)11とを搭載している。また、その変速機11の出力軸11aには、詳しくは後述する、変速機11の出力回転を変速しつつ、第2伝達軸としての後輪側プロペラシャフト13に、又は第1伝達軸としての前輪側プロペラシャフト12及び後輪側プロペラシャフト13の両方に、エンジン10の駆動力を伝達する駆動装置としてのトランスファ装置1が備えられている。トランスファ装置1は、詳しくは後述するようにトランスファ機構2と、回転電機であるモータジェネレータ(以下、単に「モータ」という)3とを、ケース5に収納する形で備えている。モータ3は、図示を省略したバッテリに接続され、バッテリの電力により力行可能であり、かつ回生してバッテリに充電することも可能に構成されている。
[Hybrid vehicle configuration]
As shown in FIG. 1, a vehicle 100, which is a hybrid vehicle according to this embodiment, is a four-wheel drive vehicle, and is equipped with an engine (E/G) (drive source) 10 and a transmission (T/M) 11 that changes the speed of the engine 10 on the front side indicated by an arrow A. An output shaft 11a of the transmission 11 is provided with a transfer device 1 as a drive device that transmits the driving force of the engine 10 to a rear-wheel side propeller shaft 13 as a second transmission shaft, or to both a front-wheel side propeller shaft 12 and a rear-wheel side propeller shaft 13 as a first transmission shaft, while changing the output rotation of the transmission 11, as will be described later in detail. The transfer device 1 includes a transfer mechanism 2 and a motor generator (hereinafter, simply referred to as a "motor") 3, which is a rotating electric machine, housed in a case 5, as will be described later in detail. The motor 3 is connected to a battery (not shown) and is configured to be capable of being powered by the battery's power and also capable of regenerating and charging the battery.

なお、変速機11は、本実施の形態では、例えばシフト操作を電動で行うことで変速を行う自動変速機を用いているが、これに限らず、プラネタリギヤと摩擦クラッチを用いて変速する有段式の自動変速機、ベルト式無段変速機(CVT)等であってもよく、さらには、手動変速機であってもよく、要するにどのような変速機であってもよい。 In this embodiment, the transmission 11 is an automatic transmission that changes gears by electrically shifting the gears, but the present invention is not limited to this and may be a stepped automatic transmission that changes gears using a planetary gear and a friction clutch, a belt-type continuously variable transmission (CVT), or even a manual transmission. In short, any type of transmission may be used.

上記前輪側プロペラシャフト12は、ディファレンシャル装置であるフロントデフ14に駆動連結され、さらにフロントデフ14から左右ドライブシャフト16L,16Rを介して左右の車輪である前輪17L,17Rに駆動連結されている。一方の後輪側プロペラシャフト13は、ディファレンシャル装置であるリヤデフ15に駆動連結され、さらにリヤデフ15から左右ドライブシャフト18L,18Rを介して左右の車輪である後輪19L,19Rに駆動連結されている。 The front wheel propeller shaft 12 is drivingly connected to a front differential 14, which is a differential device, and is further drivingly connected from the front differential 14 to left and right front wheels 17L, 17R via left and right drive shafts 16L, 16R. On the other hand, the rear wheel propeller shaft 13 is drivingly connected to a rear differential 15, which is a differential device, and is further drivingly connected from the rear differential 15 to left and right rear wheels 19L, 19R via left and right drive shafts 18L, 18R.

従って、本車両100では、エンジン10の駆動回転を変速機11で変速し、さらに、トランスファ装置1で変速しつつモータ3によりアシスト或いは回生し、そのトランスファ装置1の出力回転を、後輪19L,19Rだけに伝達する所謂FR(フロントエンジン・リヤドライブ)状態での二輪駆動のハイブリッド走行、或いは前輪17L,17R及び後輪19L,19Rに伝達する四輪駆動のハイブリッド走行を可能としている。さらに、エンジン10を停止し、変速機11をニュートラル状態にすることで、トランスファ装置1のモータ3の出力回転を、後輪19L,19Rだけに伝達する二輪駆動のEV走行、或いは前輪17L,17R及び後輪19L,19Rに伝達する四輪駆動のEV走行も可能としている。なお、例えば手動変速機において、エンジン10と変速機構との間にあるクラッチをアクチュエータで駆動して解放し、それによりニュートラル状態を形成することでEV走行を可能にするものであっても構わない。 Therefore, in the vehicle 100, the driving rotation of the engine 10 is changed by the transmission 11, and further changed by the transfer device 1 while being assisted or regenerated by the motor 3, and the output rotation of the transfer device 1 is transmitted only to the rear wheels 19L, 19R in a so-called FR (front engine, rear drive) state, allowing two-wheel drive hybrid driving, or four-wheel drive hybrid driving, in which the output rotation is transmitted to the front wheels 17L, 17R and the rear wheels 19L, 19R. Furthermore, by stopping the engine 10 and setting the transmission 11 to a neutral state, two-wheel drive EV driving, in which the output rotation of the motor 3 of the transfer device 1 is transmitted only to the rear wheels 19L, 19R, or four-wheel drive EV driving, in which the output rotation is transmitted to the front wheels 17L, 17R and the rear wheels 19L, 19R, is also possible. For example, in a manual transmission, the clutch between the engine 10 and the transmission mechanism may be driven and released by an actuator, thereby creating a neutral state and enabling EV driving.

[トランスファ装置の構成]
続いて、本実施の形態に係るトランスファ装置1の構成について図2及び図3を用いて説明する。トランスファ装置1は、上述したようにトランスファ機構2と、モータ3と、モータ3の回転をトランスファ機構2に伝達するモータ回転伝達部4とを備えて構成されている。
[Configuration of transfer device]
Next, the configuration of the transfer device 1 according to this embodiment will be described with reference to Figures 2 and 3. As described above, the transfer device 1 is configured to include the transfer mechanism 2, the motor 3, and the motor rotation transmission unit 4 that transmits the rotation of the motor 3 to the transfer mechanism 2.

また、トランスファ機構2には、第1速段としての低速段(Lo)と、第1変速段よりも高速な第2速段としての高速段(Hi)とを形成可能な変速機構28が備えられている。また、トランスファ機構2には、係合することで前輪側プロペラシャフト12及び後輪側プロペラシャフト13を駆動連結して四輪駆動の状態に、解放することで後輪側プロペラシャフト13から前輪側プロペラシャフト12の駆動連結を切離して二輪駆動の状態に、切替可能な係合機構29を備えている。 The transfer mechanism 2 is also provided with a speed change mechanism 28 that can form a low gear (Lo) as a first gear and a high gear (Hi) as a second gear that is faster than the first gear. The transfer mechanism 2 is also provided with an engagement mechanism 29 that can be engaged to drive-connect the front-wheel propeller shaft 12 and the rear-wheel propeller shaft 13 to a four-wheel drive state, or disengaged to disconnect the front-wheel propeller shaft 12 from the rear-wheel propeller shaft 13 to a two-wheel drive state.

また、図3に示すように、トランスファ装置1は、そのケース5が車両100の運転席と助手席との間の下方にあるフロアトンネル101に収まるように、かつケース5の最下端が車両100に設定された設計上の最低地上高Lhよりも上方となるように配置されている。 As shown in FIG. 3, the transfer device 1 is positioned so that its case 5 fits into the floor tunnel 101 located below the driver's seat and passenger seat of the vehicle 100, and so that the bottom end of the case 5 is higher than the design minimum ground clearance Lh set for the vehicle 100.

詳細には、図2に示すように、トランスファ機構2において、第1軸AX1上には、上記変速機11の出力軸11aに駆動連結される第1軸部材としての入力軸21が回転自在に配置されている。この入力軸21には、第5ギヤとしてのドライブギヤG1が回転不能に固定されており、該ドライブギヤG1は、後述のカウンタ軸22のドリブンギヤG2に噛合して、ギヤ列31を構成している。 In detail, as shown in FIG. 2, in the transfer mechanism 2, an input shaft 21 serving as a first shaft member that is drivingly connected to the output shaft 11a of the transmission 11 is rotatably arranged on the first shaft AX1. A drive gear G1 serving as a fifth gear is non-rotatably fixed to the input shaft 21, and the drive gear G1 meshes with a driven gear G2 of the counter shaft 22 described below to form a gear train 31.

上記第1軸AX1と平行で、かつ第1軸AX1よりも下方に配置された第2軸AX2上には(図3参照)、上記ギヤ列31を介して入力軸21の回転により回転される第2軸部材としてのカウンタ軸22が回転自在に配置されている。カウンタ軸22には、ドリブンギヤG2が回転不能に固定されており、さらに、大径ギヤG3及び小径ギヤG5も回転不能に固定されている。大径ギヤG3は、後述の変速機構28の高速段ギヤG4に噛合してギヤ列32を構成しており、小径ギヤG5は、後述の変速機構28の低速段ギヤG6に噛合してギヤ列33を構成している。 On the second axis AX2, which is parallel to the first axis AX1 and disposed lower than the first axis AX1 (see FIG. 3), a counter shaft 22 is rotatably disposed as a second shaft member rotated by the rotation of the input shaft 21 via the gear train 31. A driven gear G2 is fixed non-rotatably to the counter shaft 22, and a large diameter gear G3 and a small diameter gear G5 are also fixed non-rotatably. The large diameter gear G3 meshes with a high-speed gear G4 of the speed change mechanism 28 described below to form the gear train 32, and the small diameter gear G5 meshes with a low-speed gear G6 of the speed change mechanism 28 described below to form the gear train 33.

上記第1軸AX1及び上記第2軸AX2と平行で、かつ第2軸AX2よりも下方に配置された第3軸AX3上には(図3参照)、第3軸部材としての後輪側出力軸23Rと、その同軸上に第6軸部材としての前輪側出力軸23Fと、変速機構28と、係合機構29とが配置されている。後輪側出力軸23Rには、変速機構28の出力ドッグDOが回転不能に固定されている。そして、後輪側出力軸23Rには第1駆動軸と第2駆動軸との一方である後輪側プロペラシャフト13が駆動連結され、前輪側出力軸23Fには第1駆動軸と第2駆動軸との他方である前輪側プロペラシャフト12が駆動連結されている。即ち、後輪側出力軸23Rは車輪としての左右の後輪19L,19Rに駆動連結され、前輪側出力軸23Fは車輪としての左右の前輪17L,17Rに駆動連結されている。なお、本実施の形態では、後輪側出力軸23Rが後述の変速機構28を介して第2軸部材に駆動連結される第3軸部材、前輪側出力軸23Fが第3軸部材に後述の係合機構29を介して駆動連結される第4軸部材であるものを一例として説明しているが、その逆であっても構わない。この場合、後輪側プロペラシャフト13は第1伝達軸と第2伝達軸との他方となり、前輪側プロペラシャフト12は第1伝達軸と第2伝達軸との一方となる。 On the third axis AX3, which is parallel to the first axis AX1 and the second axis AX2 and is disposed below the second axis AX2 (see FIG. 3), the rear wheel side output shaft 23R as the third shaft member, the front wheel side output shaft 23F as the sixth shaft member, the transmission mechanism 28, and the engagement mechanism 29 are disposed coaxially thereon. The output dog DO of the transmission mechanism 28 is fixed to the rear wheel side output shaft 23R so as not to rotate. The rear wheel side output shaft 23R is drivably connected to the rear wheel side propeller shaft 13, which is one of the first drive shaft and the second drive shaft, and the front wheel side output shaft 23F is drivably connected to the front wheel side propeller shaft 12, which is the other of the first drive shaft and the second drive shaft. That is, the rear wheel side output shaft 23R is drivably connected to the left and right rear wheels 19L, 19R as wheels, and the front wheel side output shaft 23F is drivably connected to the left and right front wheels 17L, 17R as wheels. In this embodiment, the rear wheel side output shaft 23R is a third shaft member that is drivingly connected to the second shaft member via a speed change mechanism 28 described below, and the front wheel side output shaft 23F is a fourth shaft member that is drivingly connected to the third shaft member via an engagement mechanism 29 described below, but the reverse is also acceptable. In this case, the rear wheel side propeller shaft 13 is the other of the first and second transmission shafts, and the front wheel side propeller shaft 12 is one of the first and second transmission shafts.

変速機構28は、上記高速段ギヤG4と、その高速段ギヤG4に固定された高速段ドッグDHと、上記低速段ギヤG6と、その低速段ギヤG6に固定された低速段ドッグDLと、上記出力ドッグDOと、出力ドッグDOに噛合して軸方向に移動可能な第1スリーブSL1と、を備えており、低速段ドッグDLと出力ドッグDOと第1スリーブSL1とで低速段ドッグクラッチCLを、高速段ドッグDHと出力ドッグDOと第1スリーブSL1とで高速段ドッグクラッチCHを、それぞれ構成している。即ち、第1スリーブSL1は、不図示の切替機構によって、低速段ドッグDLと出力ドッグDOとの両方に噛合する低速段位置に移動されることで低速段ドッグクラッチCLを係合し、ギヤ列33を用いた大きいギヤ比の動力伝達経路である低速段を形成し、高速段ドッグDHと出力ドッグDOとの両方に噛合する高速段位置に移動されることで高速段ドッグクラッチCHを係合し、ギヤ列32を用いたギヤ列33より小さいギヤ比の動力伝達経路である高速段を形成する。従って、変速機構28は、カウンタ軸22の回転を低速段又は高速段で変速して後輪側出力軸23Rに伝達し、或いは後述の係合機構29の係合により後輪側出力軸23R及び前輪側出力軸23Fに伝達する。 The transmission mechanism 28 comprises the high-speed gear G4, a high-speed dog DH fixed to the high-speed gear G4, the low-speed gear G6, a low-speed dog DL fixed to the low-speed gear G6, the output dog DO, and a first sleeve SL1 that meshes with the output dog DO and is movable in the axial direction. The low-speed dog DL, the output dog DO, and the first sleeve SL1 form a low-speed dog clutch CL, and the high-speed dog DH, the output dog DO, and the first sleeve SL1 form a high-speed dog clutch CH. That is, the first sleeve SL1 is moved by a switching mechanism (not shown) to a low-speed position where it engages both the low-speed dog DL and the output dog DO, engaging the low-speed dog clutch CL and forming a low-speed power transmission path with a large gear ratio using the gear train 33, and is moved to a high-speed position where it engages both the high-speed dog DH and the output dog DO, engaging the high-speed dog clutch CH and forming a high-speed power transmission path with a smaller gear ratio than the gear train 33 using the gear train 32. Therefore, the transmission mechanism 28 changes the rotation of the countershaft 22 to a low-speed or high-speed and transmits it to the rear-wheel output shaft 23R, or transmits it to the rear-wheel output shaft 23R and the front-wheel output shaft 23F by engaging the engagement mechanism 29 described later.

係合機構29は、後輪側出力軸23Rに固定された後輪側ドッグDRと、前輪側出力軸23Fに固定された前輪側ドッグDFと、軸方向に移動可能な第2スリーブSL2と、を備えて、四輪駆動クラッチCAを構成している。即ち、第2スリーブSL2は、図示を省略した切替機構によって、後輪側ドッグDRだけに噛合して四輪駆動クラッチCAを解放した二輪駆動位置と、後輪側ドッグDR及び前輪側ドッグDFの両方に噛合して四輪駆動クラッチCAを係合した四輪駆動位置と、に移動されることで、後輪側出力軸23Rと前輪側出力軸23Fとを係合可能(係合又は解放可能)に構成され、つまり二輪駆動の状態と四輪駆動の状態とを切替える。 The engagement mechanism 29 includes a rear-wheel-side dog DR fixed to the rear-wheel-side output shaft 23R, a front-wheel-side dog DF fixed to the front-wheel-side output shaft 23F, and a second sleeve SL2 that can move in the axial direction to form a four-wheel drive clutch CA. That is, the second sleeve SL2 is configured to be able to engage (be engaged or disengaged) the rear-wheel-side output shaft 23R and the front-wheel-side output shaft 23F by being moved by a switching mechanism (not shown) between a two-wheel drive position in which it engages only with the rear-wheel-side dog DR and disengages the four-wheel drive clutch CA, and a four-wheel drive position in which it engages both the rear-wheel-side dog DR and the front-wheel-side dog DF and engages the four-wheel drive clutch CA. In other words, it switches between a two-wheel drive state and a four-wheel drive state.

例えば運転席に配置されたトランスファレバー(不図示)が二輪駆動かつ高速段の位置に操作されると、不図示の切替機構によって、第1スリーブSL1を図2中右側の上記高速段ドッグクラッチCHを係合する位置に、かつ第2スリーブSL2も図2中右側の上記四輪駆動クラッチCAを解放する位置に、それぞれの位置を設定する。これにより、トランスファ装置1は、高速段かつ二輪駆動の状態に設定される。つまり、この状態では、エンジン10の駆動力を変速機11で変速し、さらにトランスファ装置1で高速段に変速しつつ後輪19L,19Rに伝達する。なお、詳しくは後述するモータ3の駆動回転も、高速段かつ二輪駆動の状態で後輪19L,19Rに伝達し、非駆動時(コースト時)には、高速段かつ二輪駆動の状態で後輪19L,19Rからの回転を回生する。 For example, when the transfer lever (not shown) located at the driver's seat is operated to the two-wheel drive and high-speed position, the first sleeve SL1 is set to a position on the right side of FIG. 2 to engage the high-speed dog clutch CH, and the second sleeve SL2 is set to a position on the right side of FIG. 2 to disengage the four-wheel drive clutch CA. This sets the transfer device 1 to a high-speed and two-wheel drive state. In other words, in this state, the driving force of the engine 10 is shifted by the transmission 11, and is then shifted to a high-speed by the transfer device 1 while being transmitted to the rear wheels 19L and 19R. The driving rotation of the motor 3, which will be described later in detail, is also transmitted to the rear wheels 19L and 19R in a high-speed and two-wheel drive state, and when not driven (coasting), rotation is regenerated from the rear wheels 19L and 19R in a high-speed and two-wheel drive state.

また、上記トランスファレバーが四輪駆動かつ高速段の位置に操作されると、不図示の切替機構によって、第1スリーブSL1を図2中右側の上記高速段ドッグクラッチCHを係合する位置に、かつ第2スリーブSL2は図2中左側の上記四輪駆動クラッチCAを係合する位置に、それぞれの位置を設定する。これにより、トランスファ装置1は、高速段かつ四輪駆動の状態に設定される。つまり、この状態では、エンジン10の駆動力を変速機11で変速し、さらにトランスファ装置1で高速段に変速しつつ後輪19L,19R及び前輪17L,17Rに伝達する。なお、詳しくは後述するモータ3の駆動回転も、高速段かつ四輪駆動の状態で後輪19L,19R及び前輪17L,17Rに伝達し、非駆動時(コースト時)には、高速段かつ四輪駆動の状態で後輪19L,19R及び前輪17L,17Rからの回転を回生する。 When the transfer lever is operated to the four-wheel drive and high-speed position, the first sleeve SL1 is set to a position on the right side of FIG. 2 where the high-speed dog clutch CH is engaged, and the second sleeve SL2 is set to a position on the left side of FIG. 2 where the four-wheel drive clutch CA is engaged, by a switching mechanism (not shown). This sets the transfer device 1 to a high-speed and four-wheel drive state. In other words, in this state, the driving force of the engine 10 is shifted by the transmission 11, and then shifted to a high-speed state by the transfer device 1 while being transmitted to the rear wheels 19L, 19R and the front wheels 17L, 17R. The driving rotation of the motor 3, which will be described later in detail, is also transmitted to the rear wheels 19L, 19R and the front wheels 17L, 17R in the high-speed and four-wheel drive state, and when not driven (coasting), rotation is regenerated from the rear wheels 19L, 19R and the front wheels 17L, 17R in the high-speed and four-wheel drive state.

そして、上記トランスファレバーが四輪駆動かつ低速段の位置に操作されると、不図示の切替機構によって、第1スリーブSL1を図2中左側の上記低速段ドッグクラッチCLを係合する位置に、かつ第2スリーブSL2を図2中左側の上記四輪駆動クラッチCAを係合する位置に、それぞれの位置を設定する。これにより、トランスファ装置1は、低速段かつ四輪駆動の状態に設定される。つまり、この状態では、エンジン10の駆動力を変速機11で変速し、さらにトランスファ装置1で低速段に変速しつつ後輪19L,19R及び前輪17L,17Rに伝達する。なお、詳しくは後述するモータ3の駆動回転も、低速段かつ四輪駆動の状態で後輪19L,19R及び前輪17L,17Rに伝達し、非駆動時(コースト時)には、低速段かつ四輪駆動の状態で後輪19L,19R及び前輪17L,17Rからの回転を回生する。 When the transfer lever is operated to the four-wheel drive and low-speed position, the first sleeve SL1 is set to a position to engage the low-speed dog clutch CL on the left side of FIG. 2 by a switching mechanism (not shown), and the second sleeve SL2 is set to a position to engage the four-wheel drive clutch CA on the left side of FIG. 2. This sets the transfer device 1 to a low-speed and four-wheel drive state. In other words, in this state, the driving force of the engine 10 is changed by the transmission 11, and then changed to a low-speed by the transfer device 1 while being transmitted to the rear wheels 19L, 19R and the front wheels 17L, 17R. The driving rotation of the motor 3, which will be described later in detail, is also transmitted to the rear wheels 19L, 19R and the front wheels 17L, 17R in a low-speed and four-wheel drive state, and when not driven (coasting), rotation is regenerated from the rear wheels 19L, 19R and the front wheels 17L, 17R in a low-speed and four-wheel drive state.

[モータ及びモータ回転伝達部の構成]
ついで、本実施の形態におけるモータ3と、その回転をトランスファ機構2に伝達するモータ回転伝達部4との構成について図2及び図3を用いて説明する。モータ3は、トランスファ機構2にモータ回転伝達部4によって駆動連結されており、モータ回転伝達部4は、第4軸部材としてのモータ出力軸24、第1ギヤとしてのモータ出力ギヤG7、第5軸部材としてのモータカウンタ軸25、第2ギヤとしての大径ギヤG8、及び第3ギヤとしての小径ギヤG9を有して構成されている。
[Configuration of the motor and motor rotation transmission unit]
2 and 3, the configuration of the motor 3 in this embodiment and the motor rotation transmission unit 4 that transmits the rotation of the motor 3 to the transfer mechanism 2 will be described. The motor 3 is drivingly connected to the transfer mechanism 2 by the motor rotation transmission unit 4, and the motor rotation transmission unit 4 is configured to have a motor output shaft 24 as a fourth shaft member, a motor output gear G7 as a first gear, a motor counter shaft 25 as a fifth shaft member, a large diameter gear G8 as a second gear, and a small diameter gear G9 as a third gear.

詳細には、上記第1軸AX1乃至第3軸AX3と平行で、かつ第1軸AX1よりも下方で第2軸AXの側方に配置された第4軸AX4上には(図3参照)、モータ3と、その同軸上に、モータ3の図示を省略したロータに駆動連結され、モータ3により駆動されるモータ出力軸24と、モータ出力軸24に回転不能に固定されたモータ出力ギヤG7とが配置されている。該モータ出力ギヤG7は、後述のモータカウンタ軸25の大径ギヤG8に噛合して、ギヤ列34を構成している。 In detail, on the fourth axis AX4 (see FIG. 3), which is parallel to the first axis AX1 to the third axis AX3 and is disposed below the first axis AX1 and to the side of the second axis AX, there are arranged the motor 3, the motor output shaft 24 which is coaxially connected to the rotor (not shown) of the motor 3 and driven by the motor 3, and the motor output gear G7 which is fixed non-rotatably to the motor output shaft 24. The motor output gear G7 meshes with the large diameter gear G8 of the motor counter shaft 25 described below to form the gear train 34.

上記第1軸AX1乃至第4軸AX4と平行で、かつ第2軸AX2及び第4軸AX4よりも下方に配置された第5軸AX5上には(図3参照)、上記ギヤ列34を介してモータ3の回転により回転されるモータカウンタ軸25が回転自在に配置されている。モータカウンタ軸25には、上記モータ出力ギヤG7よりも歯数が多い大径ギヤG8が回転不能に固定されており、さらに、小径ギヤG9も回転不能に固定されている。大径ギヤG8は、上記モータ出力ギヤG7に噛合してギヤ列34を構成しており、小径ギヤG9は、上記カウンタ軸22に固定され、小径ギヤG9よりも歯数が多い第4ギヤとしてのドリブンギヤG2に噛合してギヤ列35を構成している。 On the fifth axis AX5 (see FIG. 3), which is parallel to the first axis AX1 to the fourth axis AX4 and located below the second axis AX2 and the fourth axis AX4, the motor countershaft 25 is rotatably arranged. The motor countershaft 25 is fixed to a non-rotatable state by a large diameter gear G8 having a larger number of teeth than the motor output gear G7, and a small diameter gear G9 is also fixed to the motor countershaft 25. The large diameter gear G8 meshes with the motor output gear G7 to form the gear train 34, and the small diameter gear G9 is fixed to the countershaft 22 and meshes with a driven gear G2 as a fourth gear having a larger number of teeth than the small diameter gear G9 to form the gear train 35.

即ち、本実施の形態に係るトランスファ装置1では、モータ出力ギヤG7と大径ギヤG8とで構成されるギヤ列34は、モータ3の回転(モータ出力軸24の回転)を減速してモータカウンタ軸25に伝達し、さらに、小径ギヤG9とドリブンギヤG2とで構成されるギヤ列35は、モータカウンタ軸25の回転を減速してカウンタ軸22に伝達する。従って、モータ3の回転は、ギヤ列34とギヤ列35との2段で減速されて、カウンタ軸22に伝達される。 That is, in the transfer device 1 according to this embodiment, the gear train 34 consisting of the motor output gear G7 and the large diameter gear G8 reduces the rotation of the motor 3 (the rotation of the motor output shaft 24) and transmits it to the motor countershaft 25, and the gear train 35 consisting of the small diameter gear G9 and the driven gear G2 reduces the rotation of the motor countershaft 25 and transmits it to the countershaft 22. Therefore, the rotation of the motor 3 is reduced in two stages by the gear train 34 and the gear train 35, and then transmitted to the countershaft 22.

なお、図2においては、入力軸21に固定されたドライブギヤG1と、モータカウンタ軸25に固定された小径ギヤG9とが軸方向に異なる位置に配置された形で示されているが、図3に示すように、ドライブギヤG1と小径ギヤG9とは軸方向から視て重ならない大きさであるため、ドライブギヤG1と小径ギヤG9とは、ドリブンギヤG2に対してそれぞれ異なる位相で噛合し、かつ径方向から視て軸方向に少なくとも一部が重なる位置に配置されている。これにより、トランスファ装置1の軸方向の短縮化が図られている。 In FIG. 2, the drive gear G1 fixed to the input shaft 21 and the small diameter gear G9 fixed to the motor counter shaft 25 are shown arranged at different positions in the axial direction, but as shown in FIG. 3, the drive gear G1 and the small diameter gear G9 are not large enough to overlap when viewed from the axial direction, so the drive gear G1 and the small diameter gear G9 mesh with the driven gear G2 at different phases and are arranged at positions where they overlap at least partially in the axial direction when viewed from the radial direction. This shortens the axial length of the transfer device 1.

また、トランスファ装置1が車両100に搭載された状態において、モータ3、モータ出力ギヤG7、及び大径ギヤG8は、入力軸21に対してエンジン10とは軸方向の反対側に配置されていることになる。これにより、モータ3及びモータ回転伝達部4が、入力軸21と径方向に干渉することなく、軸方向に並べて配置することができ、コンパクト化が図られている。 In addition, when the transfer device 1 is mounted on the vehicle 100, the motor 3, motor output gear G7, and large diameter gear G8 are arranged on the axially opposite side of the input shaft 21 from the engine 10. This allows the motor 3 and motor rotation transmission section 4 to be arranged side by side in the axial direction without radially interfering with the input shaft 21, resulting in a compact design.

以上説明したように、モータ回転伝達部4にモータカウンタ軸25を設けることで、モータ3の回転を大きく減速してカウンタ軸22に伝達できるので、モータ3の駆動力によるアシスト走行やEV走行の走行性能を向上しようとし、モータ3による大きな駆動トルクが必要となっても、モータ3を大型化する必要がなく、つまり走行性能を向上できるものでありながら、トランスファ装置1全体として小型化ができて車両搭載性の低下を防ぐことができる。 As explained above, by providing the motor countershaft 25 to the motor rotation transmission section 4, the rotation of the motor 3 can be significantly decelerated and transmitted to the countershaft 22. Therefore, even if a large driving torque from the motor 3 is required to improve the driving performance of assisted driving or EV driving using the driving force of the motor 3, there is no need to enlarge the motor 3. In other words, while improving driving performance, the transfer device 1 as a whole can be made smaller, preventing a decrease in vehicle mountability.

また、入力軸21に固定されるドライブギヤG1と、モータカウンタ軸25に固定される小径ギヤG9とを、カウンタ軸22に固定されたドリブンギヤG2に共通化して噛合させるので、例えば特開2015-196413号公報のように、カウンタ軸と入力軸とを駆動連結するギヤ列と、カウンタ軸とモータ出力軸とを駆動連結するギヤ列とを別々に設ける場合に比して、軸方向のコンパクト化を図ることができ、トランスファ装置1の車両搭載性の低下を防ぐことができる。特に、上述したようにギヤ列31とギヤ列35とは、少なくとも一部を軸方向の同じ位置に重ねて配置することができるので、さらに軸方向のコンパクト化を図ることができる。これにより、トランスファ装置1の後方側(入力軸21の入力側とは軸方向反対側)にモータ3を配置する空間を確保することも可能となっている。なお、入力軸21は、既存のトランスファ装置と同じ形状であるため、部品として流用することができ、コストダウンも可能としている。 In addition, the drive gear G1 fixed to the input shaft 21 and the small diameter gear G9 fixed to the motor counter shaft 25 are commonly meshed with the driven gear G2 fixed to the counter shaft 22, so that the axial size can be made more compact than in the case of separately providing a gear train for drivingly connecting the counter shaft and the input shaft and a gear train for drivingly connecting the counter shaft and the motor output shaft, as in JP 2015-196413 A, and the vehicle mountability of the transfer device 1 can be prevented from being reduced. In particular, as described above, the gear train 31 and the gear train 35 can be arranged at least partially overlapping each other at the same position in the axial direction, so that the axial size can be made even more compact. This makes it possible to secure space for arranging the motor 3 on the rear side of the transfer device 1 (the axial opposite side of the input side of the input shaft 21). Since the input shaft 21 has the same shape as an existing transfer device, it can be reused as a part, which also makes it possible to reduce costs.

また、図3に示すように、モータカウンタ軸25をモータ出力軸24よりも下方に配置されているため、換言すると、モータ3が、上下方向において、入力軸21(第1軸AX1)とモータカウンタ軸25(第5軸AX5)との間の第4軸AX4上に配置されているため、最低地上高Lhよりも下方に突出することなく、例えばモータ3を第5軸AX5のように下方に配置する場合よりも、モータ3の外径を大きくすることができる。 As shown in FIG. 3, the motor countershaft 25 is disposed below the motor output shaft 24. In other words, the motor 3 is disposed on the fourth axis AX4 between the input shaft 21 (first axis AX1) and the motor countershaft 25 (fifth axis AX5) in the vertical direction. This allows the motor 3 to have a larger outer diameter than, for example, a case in which the motor 3 is disposed below the fifth axis AX5, without protruding below the minimum ground clearance Lh.

<他の実施の形態の可能性>
なお、以上説明した本実施の形態においては、入力軸21がカウンタ軸22及び変速機構28を介して後輪側出力軸23Rに駆動連結された所謂FRタイプをベースとするためのトランスファ装置1を説明したが、これに限らず、入力軸21がカウンタ軸22及び変速機構28を介して前輪側出力軸23Fに駆動連結された所謂FFタイプをベースとするためのトランスファ装置であってもよい。
<Possibilities for other embodiments>
In the present embodiment described above, the transfer device 1 is based on a so-called FR type in which the input shaft 21 is drivingly connected to the rear-wheel output shaft 23R via the countershaft 22 and the transmission mechanism 28. However, the present invention is not limited to this, and the transfer device may be based on a so-called FF type in which the input shaft 21 is drivingly connected to the front-wheel output shaft 23F via the countershaft 22 and the transmission mechanism 28.

また、本実施の形態においては、モータ出力軸24からカウンタ軸22までにおいて、モータ3の回転をギヤ列34とギヤ列35との両方で減速するものを説明したが、どちらか一方のギヤ列だけで減速するものでもよく、その場合、少なくとも一方のギヤ列で減速できる分、モータ3の大型化を防ぐことができる。 In addition, in this embodiment, the rotation of the motor 3 is decelerated by both the gear train 34 and the gear train 35 from the motor output shaft 24 to the counter shaft 22, but it may be decelerated by only one of the gear trains. In that case, the motor 3 can be prevented from becoming large by the amount that can be decelerated by at least one of the gear trains.

また、本実施の形態において説明した第1軸AX1~第5軸AX5の上下方向の配置は、これに限らず、最低地上高Lhよりも下方に突出しない範囲内で、適宜に配置換えしても構わない。 In addition, the vertical arrangement of the first axis AX1 to the fifth axis AX5 described in this embodiment is not limited to this, and they may be rearranged as appropriate within a range that does not protrude below the minimum ground clearance Lh.

また、本実施の形態において説明した最低地上高Lhは、水平方向に直線状に設定されたものを説明したが、これに限らず、例えば車両100のロール等を考慮して、正面視で円弧状となる最低地上高が設定されたものでもよい。 In addition, the minimum ground clearance Lh described in this embodiment is set in a horizontal straight line, but is not limited to this. For example, the minimum ground clearance may be set to be in the shape of an arc when viewed from the front, taking into account the roll of the vehicle 100, etc.

1…駆動装置(トランスファ装置)/3…回転電機(モータ)/10…駆動源(エンジン)/11…変速機/12…第2伝達軸(前輪側プロペラシャフト)/13…第1伝達軸(後輪側プロペラシャフト)/21…第1軸部材(入力軸)/22…第2軸部材(カウンタ軸)/23R…第3軸部材(後輪側出力軸)/23F…第6軸部材(前輪側出力軸)/24…第4軸部材(モータ出力軸)/25…第5軸部材(モータカウンタ軸)/28…変速機構/G1…第5ギヤ(ドライブギヤ)/G2…第4ギヤ(ドリブンギヤ)/G7…第1ギヤ(モータ出力ギヤ)/G8…第2ギヤ(大径ギヤ)/G9…第3ギヤ(小径ギヤ) 1...Drive unit (transfer unit)/3...Rotary electric machine (motor)/10...Drive source (engine)/11...Transmission/12...Second transmission shaft (front wheel side propeller shaft)/13...First transmission shaft (rear wheel side propeller shaft)/21...First shaft member (input shaft)/22...Second shaft member (counter shaft)/23R...Third shaft member (rear wheel side output shaft)/23F...Sixth shaft member (front wheel side output shaft)/24...Fourth shaft member (motor output shaft)/25...Fifth shaft member (motor counter shaft)/28...Transmission mechanism/G1...Fifth gear (drive gear)/G2...Fourth gear (driven gear)/G7...First gear (motor output gear)/G8...Second gear (large diameter gear)/G9...Third gear (small diameter gear)

Claims (2)

駆動源の回転が伝達されるトランスファ装置において、
前記駆動源の回転が入力される第1軸部材と、
前記第1軸部材と平行に配置され、前記第1軸部材の回転により回転される第2軸部材と、
前記第2軸部材と平行に配置され、前記第2軸部材の回転により回転され、かつ前輪に駆動連結される第1伝達軸と後輪に駆動連結される第2伝達軸との一方に駆動連結された第3軸部材と、
回転電機と、
前記回転電機と同軸上に配置され、前記回転電機により駆動される第4軸部材と、
前記第2軸部材及び前記第4軸部材と平行に配置され、前記第4軸部材の回転を減速して前記第2軸部材に伝達する第5軸部材と、
前記第3軸部材と同軸上に配置され、前記第1伝達軸と前記第2伝達軸との他方に駆動連結された第6軸部材と、
第1速段又は前記第1速段より高速な第2速段を形成し、前記第2軸部材の回転を変速して前記第3軸部材に伝達する変速機構と、
前記第3軸部材と前記第6軸部材とを係合可能な係合機構と、
前記第4軸部材に固定された第1ギヤと、
前記第5軸部材に固定され、前記第1ギヤに噛合する第2ギヤと、
前記第5軸部材に固定された第3ギヤと、
前記第2軸部材に固定された第4ギヤと、
前記第1軸部材に固定された第5ギヤと、を備え、
前記第4ギヤは、前記第3ギヤと前記第5ギヤとに噛合
前記トランスファ装置が車両に搭載された状態において、
前記回転電機、前記第1ギヤ、及び前記第2ギヤは、前記第1軸部材に対して前記駆動源とは軸方向の反対側に配置され、
前記変速機構は、前記第4ギヤに対して前記回転電機とは軸方向の反対側に配置され、
前記第1軸部材は、前記変速機構よりも上方に配置された、
トランスファ装置。
In a transfer device to which rotation of a drive source is transmitted,
a first shaft member to which rotation of the drive source is input;
a second shaft member disposed parallel to the first shaft member and rotated by the rotation of the first shaft member;
a third shaft member disposed in parallel with the second shaft member, rotated by rotation of the second shaft member, and drivingly connected to one of a first transmission shaft drivingly connected to a front wheel and a second transmission shaft drivingly connected to a rear wheel ;
A rotating electric machine;
a fourth shaft member arranged coaxially with the rotating electric machine and driven by the rotating electric machine;
a fifth shaft member arranged in parallel with the second shaft member and the fourth shaft member, which reduces the rotation speed of the fourth shaft member and transmits the rotation to the second shaft member;
a sixth shaft member that is arranged coaxially with the third shaft member and is drivingly connected to the other of the first transmission shaft and the second transmission shaft;
a speed change mechanism that forms a first speed stage or a second speed stage that is faster than the first speed stage, and changes the speed of rotation of the second shaft member and transmits the rotation to the third shaft member;
an engagement mechanism capable of engaging the third shaft member and the sixth shaft member;
a first gear fixed to the fourth shaft member;
a second gear fixed to the fifth shaft member and meshing with the first gear;
a third gear fixed to the fifth shaft member;
a fourth gear fixed to the second shaft member;
a fifth gear fixed to the first shaft member,
the fourth gear meshes with the third gear and the fifth gear,
When the transfer device is mounted on a vehicle,
the rotating electric machine, the first gear, and the second gear are disposed on an axially opposite side of the first shaft member from the driving source,
the speed change mechanism is disposed on an axially opposite side of the fourth gear from the rotating electric machine,
The first shaft member is disposed above the transmission mechanism.
Transfer device.
前記第3ギヤと前記第5ギヤとは、前記第4ギヤに対してそれぞれ周方向にオフセットした位置で噛合し、かつ径方向から視て軸方向に少なくとも一部が重なるように配置された、
請求項1に記載のトランスファ装置。
The third gear and the fifth gear are meshed with the fourth gear at positions offset in the circumferential direction , and are arranged so as to overlap at least partially in the axial direction when viewed from the radial direction.
2. The transfer device of claim 1.
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Citations (4)

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Publication number Priority date Publication date Assignee Title
JP4823119B2 (en) 2007-03-29 2011-11-24 ダイハツ工業株式会社 Hybrid vehicle drive system
JP2013184655A (en) 2012-03-09 2013-09-19 Honda Motor Co Ltd Power transmission device
JP2015196413A (en) 2014-03-31 2015-11-09 スズキ株式会社 hybrid four-wheel-drive vehicle
JP7304343B2 (en) 2017-07-06 2023-07-06 サムスン エレクトロニクス カンパニー リミテッド Video encoding method and apparatus, video decoding method and apparatus

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Publication number Priority date Publication date Assignee Title
JPH07304343A (en) * 1994-05-11 1995-11-21 Motor Jidosha Kk Power transmission device of compound prime mover for automobile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4823119B2 (en) 2007-03-29 2011-11-24 ダイハツ工業株式会社 Hybrid vehicle drive system
JP2013184655A (en) 2012-03-09 2013-09-19 Honda Motor Co Ltd Power transmission device
JP2015196413A (en) 2014-03-31 2015-11-09 スズキ株式会社 hybrid four-wheel-drive vehicle
JP7304343B2 (en) 2017-07-06 2023-07-06 サムスン エレクトロニクス カンパニー リミテッド Video encoding method and apparatus, video decoding method and apparatus

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