JP7408983B2 - 車両用駆動装置 - Google Patents
車両用駆動装置 Download PDFInfo
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- JP7408983B2 JP7408983B2 JP2019181514A JP2019181514A JP7408983B2 JP 7408983 B2 JP7408983 B2 JP 7408983B2 JP 2019181514 A JP2019181514 A JP 2019181514A JP 2019181514 A JP2019181514 A JP 2019181514A JP 7408983 B2 JP7408983 B2 JP 7408983B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16H—GEARING
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- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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Description
図1において、ハイブリッド車両(以下、単に車両という)1は、車体2を備えており、車体2は、ダッシュパネル3によって前側のエンジンルーム2Aと後側の車室2Bとに仕切られている。
カウンタギヤ14A、14B、14C、14Dは、ニードル軸受14a、14b、14c、14dを介してカウンタ軸14に支持されている遊転ギヤであり、カウンタ軸14と相対回転自在となっている。
(変速段が1速段の場合の動力伝達経路)
1速段においては、同期装置31が中立位置から1速段用のカウンタギヤ14A側に移動し、1速段用のカウンタギヤ14Aをカウンタ軸14に連結する。
3速段においては、同期装置33が中立位置から3速段用のアイドルギヤ12A側に移動し、3速段用のアイドルギヤ12Aをアイドル軸12に連結する。
5速段においては、同期装置32が中立位置から5速段用のカウンタギヤ14C側に移動し、5速段用のカウンタギヤ14Cをカウンタ軸14に連結する。
後進段においては、同期装置34が中立位置から後進ギヤ15A側に移動し、後進ギヤ15Aを後進軸15に連結する。
モータ35は、車両1のモータ走行時の動力を得る場合と、車両1の発進および加速時にエンジン20の動力をアシストする動力を得る場合と、変速中であって同期装置31、32、33、34がそれまでの変速段を達成する位置から新たな変速段を達成する位置に移動するまでの間にエンジン20の動力を補完するギャップフィリング用の動力を得る場合とに使用される。
本実施例の駆動装置4は、ギヤ対を介して動力が伝達される主入力軸11、アイドル軸12、副入力軸13、カウンタ軸14および後進軸15を収容するライトケース6と、ライトケース6のレフトケース7の外部に設置されたモータ35とを有する。
Claims (4)
- ギヤ対を介して動力が伝達される複数の回転軸を収容する変速機ケースと、前記変速機ケースの外部に設置された電動機とを有する車両用駆動装置であって、
前記変速機ケースは、左右方向で順にライトケース、レフトケースおよび減速機ケースを備えており、
前記減速機ケースは、左側が開口するとともに、右端部が前記レフトケースの左側壁に取付けられ、動力伝達部材を収容し、
前記減速機ケースの前記レフトケース側の取付面に、前記電動機のモータ出力軸を前記減速機ケースに挿入する開口と、前記レフトケースから外方に突出し、前記電動機に最も近い回転軸の端部を前記減速機ケースに挿入する開口とが形成されており、
前記減速機ケースは、前記減速機ケースの左側の前記開口を閉止するように取付けられた減速機カバーを有し、
前記複数の回転軸のうち、前記電動機に最も近い回転軸の端部と前記モータ出力軸が前記減速機ケースに収容された前記動力伝達部材によって連結されており、
前記電動機は、その左側端部が前記減速機ケースの右端部に取付けられ、その右端部がブラケットを介して前記ライトケースに取付けられており、
前記電動機は、前記レフトケースの周囲を通過するように架設され、前記レフトケースの前方の上側に設置されていることを特徴とする車両用駆動装置。 - 前記複数の回転軸は、前記電動機に前記動力伝達部材を介して連結される第1の回転軸と、内燃機関から動力が伝達される第2の回転軸と、第3の回転軸とを含んで構成されており、
前記ギヤ対は、前記第1の回転軸に設けられた第1のギヤと、前記第3の回転軸に設けられ、前記第1のギヤに噛み合う第2のギヤとを有し、
前記第3の回転軸は、前記第1の回転軸の後側で、かつ、前記第2の回転軸の下方に設置されており、
前記第3の回転軸は、前記電動機の動力を駆動輪に伝達することを特徴とする請求項1に記載の車両用駆動装置。 - 前記第3の回転軸に設けられた前記第2のギヤは、前記電動機の動力を伝達する動力伝達経路と前記内燃機関の動力を伝達する変速段の動力伝達経路の一部とを構成しており、
前記第3の回転軸は、前記第1のギヤの回転を減速して前記駆動輪に伝達する減速軸を構成することを特徴とする請求項2に記載の車両用駆動装置。 - 前記第3の回転軸は、前記内燃機関または前記電動機から前記第3の回転軸に伝達される回転変動を吸収するダンパ機構を備えており、
前記電動機の駆動力は、前記ダンパ機構を介して前記駆動輪に伝達されることを特徴とする請求項2または請求項3に記載の車両用駆動装置。
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