JP2009092123A - 変速機および動力伝達装置 - Google Patents
変速機および動力伝達装置 Download PDFInfo
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- 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
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B60W10/11—Stepped gearings
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
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- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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- B60W2510/242—Energy storage means for electrical energy
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- 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
- F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
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Abstract
【解決手段】キャリア38とケース51の対向面51bの間に、キャリア38からケース51の対向面51bに対して摩擦力を発生させる摩擦力発生手段74を設け、摩擦力発生手段74を、キャリア38およびケース51の対向面51bの間に介装された摩擦板71と、キャリア38およびケース51に挿通される挿通部72aおよび挿通部72aの両端部に設けられ、キャリア38およびケース51の外周部に当接してキャリア38およびケース51が一定間隔以上離隔するのを規制する当接部72b、72cを有する連結部材72と、キャリア38と当接部72bの間に設けられ、キャリア38を摩擦板71を介してケース51の対向面51bに向かって押圧する圧縮バネ73とを含んで構成する。
【選択図】図2
Description
また、リングギヤ4には、図示しない動力分配機構のリングギヤと一体になっており、内燃機関の動力が動力分配機構のリングギヤに伝達されると、リングギヤ4が駆動軸に動力を伝達するようになっている。
図1〜図4は、本発明に係る変速機および動力伝達装置の第1の実施の形態を示す図であり、本発明をハイブリッド車両に適用した例を示している。
図1において、ハイブリッド車両11は、内燃機関としてのエンジン12を含んで構成され、エンジン12からの動力を出力部としてのドライブシャフト13を介して駆動輪14L、14Rに伝達する動力伝達装置15と、ハイブリッド車両11全体を制御するハイブリッド用電子制御ユニット100とを含んで構成されている。
エンジン12の運転中にエンジン12にトルク変動が発生すると、エンジン12のクランクシャフト19から動力伝達装置15の入力軸26にトルク変動が伝達される。このトルク変動は、ダンパ24によって吸収されるが、ダンパ24によってエンジン12のトルク変動を十分に吸収できない場合には、動力分配機構18にこのトルク変動が伝達してしまうことがある。
また、キャリア38をケース51に回転不能に取付け、キャリア38とケース51の対向面51bの間に摩擦板71を介装したので、キャリア38をケース51に対して回転自在に設け、キャリア38とケース51の対向面51bの間に摩擦板を介装したものに比べて、燃費を向上させることができる。
すなわち、キャリア38とケース51の対向面51bの間に摩擦板を介装した場合には、摩擦板とキャリア38の間に発生する摩擦力によってキャリア38とケース51の対向面51bの間に引きずりトルクが発生してしまい、燃費を悪化するおそれがある。
本実施の形態では、キャリア38をケース51に回転不能に取付け、キャリア38とケース51の対向面51bの間に摩擦板71を介装したので、キャリア38とケース51の対向面51bの間の摩擦力が増大した場合であっても、燃費き悪化を招くことを防止することができる。
図5は、本発明に係る変速機および動力伝達装置の第2の実施の形態を示す図であり、第1の実施の形態と同一の構成には同一の符号を付して説明を省略する。
図5において、キャリア38とケース51の対向面51bの間には摩擦板71が介装されており、この摩擦板71とキャリア38の間には摩擦板71の全面に接触する接触板81が設けられている。
図6は、本発明に係る変速機および動力伝達装置の第3の実施の形態を示す図であり、第1の実施の形態と同一の構成には同一の符号を付して説明を省略する。
図6において、キャリア38とケース51の対向面51bの間には摩擦板71が介装されており、この摩擦板71とケース51の対向面51bの間には摩擦板71の全面に接触する接触板85が設けられている。
13 ドライブシャフト(出力部)
17 減速機(変速機)
22 リングギヤ(第3の回転要素)
36 ロータシャフト(出力軸)
37 サンギヤ(第1の回転要素)
38 キャリア(回転部材)
38b 突出部(凸部)
40 ピニオンギヤ(第2の回転要素)
51 ケース(変速機、支持部材)
51a 嵌合溝(凹部)
51b 対向面
71 摩擦板
72 連結部材
72a 挿通部
72b、72c 当接部
73 圧縮バネ(押圧部材)
74、83、87 摩擦力発生手段
81、85 接触板
82、86 皿バネ(付勢部材)
Claims (5)
- 駆動源と出力部の間に介装される複数の回転要素と、
前記回転要素のうちの1つの回転要素を回転自在に支持するとともに、放射方向外周部に複数の凹部または凸部が形成された回転部材と、
前記回転部材に対向する対向面を有するとともに、放射方向内周部に前記凹部または凸部に嵌合する複数の凸部または凹部を有し、前記回転部材が回転不能に取付けられる支持部材と有する変速機において、
前記回転部材と前記支持部材の対向面の間に、前記回転部材から前記支持部材の対向面に対して摩擦力を発生させる摩擦力発生手段を有することを特徴とする変速機。 - 前記摩擦力発生手段が、前記回転部材と前記支持部材の対向面の間に介装された摩擦板と、前記回転部材と前記支持部材に挿通される挿通部および前記挿通部の両端部に設けられ、前記回転部材および前記支持部材の外周部に当接して前記回転部材および前記支持部材が一定間隔以上離隔するのを規制する当接部を有する連結部材と、前記回転部材および前記当接部の一方の間に設けられ、前記回転部材を前記摩擦板を介して前記支持部材の対向面に向かって押圧する押圧部材とを備えたことを特徴とする請求項1に記載の変速機。
- 前記摩擦力発生手段が、前記回転部材と前記支持部材の対向面の間に介装された摩擦板と、前記回転部材と前記支持部材に挿通される挿通部および前記挿通部の両端部に設けられ、前記回転部材および前記支持部材の外周部に当接して前記回転部材および前記支持部材が一定間隔以上離隔するのを規制する当接部を有する連結部材と、前記摩擦板と前記回転部材の間に設けられ、前記摩擦板の全面に接触する接触板と、前記接触板と前記回転部材の間に介装され、前記接触板および前記回転部材を離隔する方向に付勢する付勢部材とを備えたことを特徴とする請求項1に記載の変速機。
- 前記摩擦力発生手段が、前記回転部材と前記支持部材の対向面の間に介装された摩擦板と、前記回転部材と前記支持部材に挿通される挿通部および前記挿通部の両端部に設けられ、前記回転部材および前記支持部材の外周部に当接して前記回転部材および前記支持部材が一定間隔以上離隔するのを規制する当接部を有する連結部材と、前記摩擦板と前記支持部材の間に設けられ、前記摩擦板の全面に接触する接触板と、前記接触板と前記支持部材の間に介装され、前記接触板および前記支持部材を離隔する方向に付勢する付勢部材とを備えたことを特徴とする請求項1に記載の変速機。
- 請求項1ないし請求項4のいずれか1の請求項に記載された変速機を備え、内燃機関の動力を前記変速機を介して前記出力部に伝達する動力伝達装置であって、
前記駆動源としてモータジェネレータを有し、複数の前記回転要素が、前記モータジェネレータの出力軸に連結された第1の回転要素と、前記第1の回転要素に噛合する第2の回転要素と、前記第2の回転要素に噛合され、前記内燃機関および前記出力部に接続される第3の回転要素とを含んで構成され、前記第2の回転要素が前記回転部材に回転自在に支持されることを特徴とする動力伝達装置。
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JP2011085210A (ja) * | 2009-10-16 | 2011-04-28 | Toyota Motor Corp | 車両用動力伝達装置 |
WO2014016930A1 (ja) * | 2012-07-25 | 2014-01-30 | トヨタ自動車株式会社 | 車両用差動歯車装置 |
JP5626467B2 (ja) * | 2011-07-11 | 2014-11-19 | トヨタ自動車株式会社 | 車両用動力伝達装置の遊星歯車装置 |
US9188195B2 (en) | 2011-07-11 | 2015-11-17 | Toyota Jidosha Kabushiki Kaisha | Planetary gear device for vehicle power transmission device |
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DE112009005302B4 (de) * | 2009-10-09 | 2021-03-11 | Toyota Jidosha Kabushiki Kaisha | Rotierende elektrische Maschinenvorrichtung |
US9132832B2 (en) * | 2011-11-08 | 2015-09-15 | Toyota Jidosha Kabushiki Kaisha | Power transmission device for vehicle |
US9435409B2 (en) * | 2011-11-21 | 2016-09-06 | GM Global Technology Operations LLC | Variator output gearset |
JP6354860B2 (ja) * | 2015-01-07 | 2018-07-11 | トヨタ自動車株式会社 | 車両の回転軸の支持構造 |
JP2022096414A (ja) * | 2020-12-17 | 2022-06-29 | トヨタ自動車株式会社 | 電気自動車用のトランスアクスル |
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