JP6358345B2 - 自動変速機 - Google Patents
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- JP6358345B2 JP6358345B2 JP2016574691A JP2016574691A JP6358345B2 JP 6358345 B2 JP6358345 B2 JP 6358345B2 JP 2016574691 A JP2016574691 A JP 2016574691A JP 2016574691 A JP2016574691 A JP 2016574691A JP 6358345 B2 JP6358345 B2 JP 6358345B2
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H37/0846—CVT using endless flexible members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
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- 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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
- F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
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- 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
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H37/022—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing the toothed gearing having orbital motion
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- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H2037/023—CVT's provided with at least two forward and one reverse ratio in a serial arranged sub-transmission
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H2037/088—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft
- F16H2037/0886—Power split variators with summing differentials, with the input of the CVT connected or connectable to the input shaft with switching means, e.g. to change ranges
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Transmission Devices (AREA)
Description
また、本開示に係る自動変速機は、第1軸上に配置され、駆動源に駆動連結された入力部材と、前記第1軸と前記第1軸に平行な第2軸との間に設けられ、前記第1軸の回転を前記第2軸に伝達する伝達機構と、前記第2軸上に配置されたプライマリプーリと、前記第2軸と平行な第3軸上に配置されたセカンダリプーリと、それら両プーリに巻回されたベルトと、を有し、変速比を連続的に変更可能な無段変速機構と、前記第3軸と平行な第4軸上に配置され、前記第3軸上のドライブピニオンギヤと噛合して、変速した回転を出力する出力部材と、を備え、軸方向から視て、前記第1軸の中心と前記第4軸の中心とを結ぶ第1の直線を境界として、下側に前記第3軸の中心を配置し、上側に前記第2軸の中心を配置する。
以下、第1の実施形態に係る自動変速機10を、図1、図2A、図2Bに沿って説明する。なお、本明細書中で駆動連結とは、互いの回転要素が駆動力を伝達可能に連結された状態を指し、それら回転要素が一体的に回転するように連結された状態、あるいはそれら回転要素がクラッチ等を介して駆動力を伝達可能に連結された状態を含む概念として用いる。
次に、第2の実施形態に係る自動変速機210を、図3A及び図3Bに沿って説明する。本実施形態は、前後進切換え機構50の代わりに変速歯車機構250が配置される点で第1の実施形態と異なっているが、それ以外の構成は第1の実施形態と同様であるので、同様の構成は符号を同じくして詳細な説明を省略する。
次に、第3の実施形態に係る自動変速機310を、図4A及び図4Bに沿って説明する。本実施形態は、変速歯車機構350がプラネタリギヤユニットPU1を有している点で第2の実施形態と異なっているが、それ以外の構成は第2の実施形態と同様であるので、同様の構成は符号を同じくして詳細な説明を省略する。
次に、第4の実施形態に係る自動変速機410を、図5A及び図5Bに沿って説明する。本実施形態は、前後進切換え機構50の代わりに変速歯車機構450が配置される点で第1の実施形態と異なっているが、それ以外の構成は第1の実施形態と同様であるので、同様の構成は符号を同じくして詳細な説明を省略する。
10 自動変速機
30,31 入力軸(入力部材)
40 無段変速機構
41 プライマリプーリ
42 セカンダリプーリ
43 ベルト
50 前後進切換え機構
61 出力ギヤ(ドライブピニオンギヤ)
73 駆動軸(出力部材)
90 伝達機構
210 自動変速機
310 自動変速機
410 自動変速機
AX1 第1軸
AX2 第2軸
AX3 第3軸
AX4 第4軸
B1 第1ブレーキ(第2の係合要素、第3の係合要素、第1の係合要素)
B2 第2ブレーキ(第3の係合要素)
C1 第1クラッチ(第1の係合要素、第2の係合要素)
C2 第2クラッチ(第2の係合要素)
CR1 キャリヤ(第2の回転要素)
CR2 キャリヤ(第2の回転要素)
CR3 キャリヤ(第3の回転要素)
CR4 キャリヤ(第2の回転要素)
CR5 キャリヤ(第2の回転要素)
CR6 キャリヤ(第5の回転要素)
DP1 プラネタリギヤ
DP2 プラネタリギヤ
DP3 プラネタリギヤ
DP4 プラネタリギヤ
DP5 プラネタリギヤ
DP6 プラネタリギヤ
L1 第1の直線
L2 第2の直線
PU1 プラネタリギヤユニット
PU2 プラネタリギヤユニット
R1 リングギヤ(第3の回転要素)
R2 リングギヤ(第3の回転要素)
R3 リングギヤ(第4の回転要素)
R4 リングギヤ(第3の回転要素)
R5 リングギヤ(第3の回転要素)
R6 リングギヤ(第6の回転要素)
S1 サンギヤ(第1の回転要素)
S2 サンギヤ(第1の回転要素)
S3 サンギヤ(第1の回転要素)
S4 サンギヤ(第1の回転要素)
S5 サンギヤ(第1の回転要素)
S6 サンギヤ(第4の回転要素)
Claims (10)
- 第1軸上に配置され、駆動源に駆動連結された入力部材と、
前記第1軸と前記第1軸に平行な第2軸との間に設けられ、前記第1軸の回転を前記第2軸に伝達する伝達機構と、
前記第2軸上に配置されたプライマリプーリと、前記第2軸と平行な第3軸上に配置されたセカンダリプーリと、それら両プーリに巻回されたベルトと、を有し、変速比を連続的に変更可能な無段変速機構と、
前記第3軸と平行な第4軸上に配置され、前記第3軸上のドライブピニオンギヤと噛合して、変速した回転を出力する出力部材と、を備え、
軸方向から視て、前記第1軸の中心と前記第4軸の中心とを結ぶ第1の直線を境界として、下側に前記第2軸の中心を配置し、上側に前記第3軸の中心を配置する自動変速機。 - 第1軸上に配置され、駆動源に駆動連結された入力部材と、
前記第1軸と前記第1軸に平行な第2軸との間に設けられ、前記第1軸の回転を前記第2軸に伝達する伝達機構と、
前記第2軸上に配置されたプライマリプーリと、前記第2軸と平行な第3軸上に配置されたセカンダリプーリと、それら両プーリに巻回されたベルトと、を有し、変速比を連続的に変更可能な無段変速機構と、
前記第3軸と平行な第4軸上に配置され、前記第3軸上のドライブピニオンギヤと噛合して、変速した回転を出力する出力部材と、を備え、
軸方向から視て、前記第1軸の中心と前記第4軸の中心とを結ぶ第1の直線を境界として、下側に前記第3軸の中心を配置し、上側に前記第2軸の中心を配置する自動変速機。 - 前記無段変速機構は、前記第1軸が車両の走行方向に対して横方向を軸方向とする横置き型である請求項1又は2に記載の自動変速機。
- 軸方向から視て、前記第2軸の中心と前記第3軸の中心とを結ぶ第2の直線は、前記第1の直線に対して、前記第1軸の中心と前記第4軸の中心との間で交差する請求項1乃至3のいずれか1項に記載の自動変速機。
- 前記第2軸上に配置され、前記入力部材から入力される回転を正転と逆転とで切り換えて前記プライマリプーリに出力可能な前後進切換え機構を備える請求項1乃至4のいずれか1項に記載の自動変速機。
- 前記前後進切換え機構は、前記第2軸上に配置され、前記入力部材に駆動連結された第1の回転要素と前記プライマリプーリに駆動連結された第2の回転要素と回転固定自在な第3の回転要素とを有して前記出力部材の回転を変速可能なプラネタリギヤと、係合時に前記第2の回転要素を介して前記入力部材と前記プライマリプーリとを接続し正回転伝達する前進モードを達成可能な第1の係合要素と、係合時に前記第3の回転要素の回転を固定して前記プラネタリギヤを介して前記入力部材と前記プライマリプーリとを接続し逆回転伝達する後進モードを達成可能な第2の係合要素と、を有する請求項5記載の自動変速機。
- 前記第3軸上に配置され、前記セカンダリプーリに駆動連結された第1の回転要素と、前記入力部材の回転を入力可能な第2の回転要素と、前記出力部材に駆動連結された第3の回転要素と、を有して前記出力部材の回転を変速可能なプラネタリギヤと、
係合時に前記無段変速機構を介して前記入力部材と前記出力部材とを接続し回転伝達する低速モードを達成可能な第1の係合要素と、
係合時に前記プラネタリギヤ及び前記無段変速機構を介して前記入力部材と前記出力部材とを接続し、前記第1の係合要素の係合時よりも高速に回転伝達する高速モードを達成可能な第2の係合要素と、を備える請求項1乃至4のいずれか1項に記載の自動変速機。 - 前記第3軸上に配置され、前記セカンダリプーリに駆動連結された第1の回転要素と、前記入力部材の回転を入力可能な第2の回転要素と、前記出力部材に駆動連結された第3の回転要素と、回転固定自在な第4の回転要素と、を有して前記出力部材の回転を変速可能なプラネタリギヤユニットと、
係合時に前記第4の回転要素の回転を固定して前記プラネタリギヤユニット及び前記無段変速機構を介して前記入力部材と前記出力部材とを接続し回転伝達する低速モードを達成可能な第1の係合要素と、
係合時に前記プラネタリギヤユニット及び前記無段変速機構を介して前記入力部材と前記出力部材とを接続し、前記第1の係合要素の係合時よりも高速に回転伝達する高速モードを達成可能な第2の係合要素と、を備える請求項1乃至4のいずれか1項に記載の自動変速機。 - 前記第2軸上に配置され、前記入力部材に駆動連結された第1の回転要素と、前記出力部材に駆動連結された第2の回転要素と、回転固定自在な第3の回転要素と、を有して前記出力部材の回転を変速可能なプラネタリギヤと、
係合時に前記第3の回転要素の回転を固定して前記プラネタリギヤを介して前記入力部材と前記出力部材とを接続し回転伝達する固定ギヤモードを達成可能な第1の係合要素と、
係合時に前記無段変速機構を介して前記入力部材と前記出力部材とを接続し回転伝達する無段変速モードを達成可能な第2の係合要素と、を備える請求項1乃至4のいずれか1項に記載の自動変速機。 - 前記プラネタリギヤと、前記第2軸上に配置され、前記第3の回転要素に駆動連結されて前記第2の係合要素により回転固定自在な第4の回転要素と、前記第2の回転要素及び前記出力部材に駆動連結された第5の回転要素と、回転固定自在な第6の回転要素と、を有し、前記出力部材の回転を変速可能なプラネタリギヤユニットと、
係合時に前記第6の回転要素の回転を固定して前記プラネタリギヤユニットを介して前記入力部材と前記出力部材とを接続し逆回転伝達する後進モードを達成可能な第3の係合要素と、を備える請求項9記載の自動変速機。
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