JP2008189299A - ピストンエンジンをスタートさせるための方法 - Google Patents
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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
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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Abstract
【解決手段】ハイブリッド駆動機構1が、少なくとも、ピストンエンジン2と、電気モータ3と、トランスミッション4と、ピストンエンジンと電気モータの間に配設されたクラッチ6と、コンバータロックアップクラッチ7とを有し、コンバータロックアップクラッチが、スリップ状態に切替え可能である、電気走行状態でハイブリッド駆動機構のピストンエンジンをスタートさせる方法において、コンバータロックアップクラッチでスリップを調整し、コンバータロックアップクラッチの出力側で回転数とトルクが全く変化しないか所定の範囲内でしか変化しないように、電気モータの回転数を上昇させ、トルクパルスをピストンエンジンに伝達するために、ピストンエンジンのピストンの最初の上死点を克服することができるように、クラッチを閉鎖し、クラッチを所定のスリップに調整する。
【選択図】図1
Description
2 ピストンエンジン(内燃機関)
3 電気モータ
4 トランスミッション
5 コンバータ
6 クラッチ
7 コンバータロックアップクラッチ
8 軸方向歪要素
9 ロータ
10 ハイブリッドモジュール
11 制御装置
Claims (11)
- ハイブリッド駆動機構(1)が、少なくとも、ピストンエンジン(2)と、電気モータ(3)と、トランスミッション(4)と、ピストンエンジン(2)と電気モータ(3)の間に配設されたクラッチ(6)と、コンバータロックアップクラッチ(7)とを有し、コンバータロックアップクラッチ(7)が、電気モータ(3)とトランスミッション(4)の間に配設され、電気モータ(3)からトランスミッション(4)に、低減させてトルクを伝達するか全くトルクを伝達しないスリップ状態に切替え可能である、電気走行状態でハイブリッド駆動機構(1)のピストンエンジン(2)をスタートさせるための方法において、
−コンバータロックアップクラッチ(7)のスリップが調整され、
−コンバータロックアップクラッチ(7)の出力側で回転数とトルクが全く変化しないか所定の範囲内でしか変化しないように、電気モータ(3)の回転数が初期回転数からスタート回転数に上昇及び調整され、
−ピストンエンジン(2)のピストンの最初の上死点を克服するために十分なトルクパルスがピストンエンジン(2)に伝達されるように、ピストンエンジン(2)と電気モータ(3)の間に配設されたクラッチ(6)のトルクが迅速に上方制御及び下方制御され、
−最初の上死点を克服する際又は克服した後にピストンエンジン(2)のスタート工程が開始され、
−その初期回転数に達した際に、電気モータ(3)が、一方でピストンエンジン(2)のパワーアップを支援し、他方でコンバータロックアップクラッチ(7)に正トルクを伝達し、その際、コンバータロックアップクラッチ(7)の出力側で回転数とトルクが全く変化しないか所定の範囲内でしか変化しない場合に限って、コンバータロックアップクラッチ(7)のスリップが低減されるように、クラッチ(6)を所定のスリップに調整し、これによりクラッチ(6)を所定のトルクに調整する
ことを特徴とする方法。 - ハイブリッド駆動機構(1)の必要トルクが、電気モータ(3)単独で調達可能なトルクがもはや必要トルクに相当しない閾値を超過することによって、スタート工程が開始されることを特徴とする請求項1に記載の方法。
- コンバータロックアップクラッチ(7)のスリップを調整する前に、シフトチェンジロックが起動されることを特徴とする請求項1又は2に記載の方法。
- ピストンエンジン(2)と電気モータ(3)の同期回転数に達した際にクラッチ(6)が完全に閉鎖されることを特徴とする請求項1〜3のいずれか1つに記載の方法。
- クラッチ(6)を完全に閉鎖する前に電気モータ(3)の回転数が低減され、これによりピストンエンジン(2)の回転数のオーバシュートが防止されることを特徴とする請求項1〜4のいずれか1つに記載の方法。
- −クラッチ(6)を完全に閉鎖した後にコンバータロックアップクラッチ(7)のスリップが増加されること、及び/又は
−クラッチ(6)を完全に閉鎖した後にシフトチェンジロックが停止されること
を特徴とする請求項1〜5のいずれか1つに記載の方法。 - ブーストモードを達成するためにクラッチ(6)を完全に閉鎖した後に電気モータ(3)が同様にトルクを発生させ得ることを特徴とする請求項1〜6のいずれか1つに記載の方法。
- 請求項1〜7のいずれか1つに記載の方法を実施するための自動車用のハイブリッド駆動機構(1)において、
−少なくともピストンエンジン(2)と電気モータ(3)とクラッチ(6)とコンバータロックアップクラッチ(7)と結合された制御装置(11)が設けられていること、
制御装置(11)が
−コンバータロックアップクラッチ(7)のスリップを調整し、
−コンバータロックアップクラッチ(7)の出力側で回転数とトルクが全く変化しないか所定の範囲内でしか変化しないように、電気モータ(3)の回転数を初期回転数からスタート回転数に上昇及び調整し、
−ピストンエンジン(2)のピストンの最初の上死点を克服するために十分なトルクパルスがピストンエンジン(2)に伝達されるように、ピストンエンジン(2)と電気モータ(3)の間に配設されたクラッチ(6)のトルクを迅速に上方制御及び下方制御し、
−最初の上死点を克服する際又は克服した後にピストンエンジン(2)のスタート工程を開始し、
−その初期回転数に達した際に、電気モータ(3)が、一方でピストンエンジン(2)のパワーアップを支援し、他方でコンバータロックアップクラッチ(7)に正トルクを伝達し、その際、コンバータロックアップクラッチ(7)の出力側で回転数とトルクが全く変化しないか所定の範囲内でしか変化しない場合に限って、コンバータロックアップクラッチ(7)のスリップが低減されるように、クラッチ(6)を所定のスリップに調整し、これによりクラッチ(6)を所定のトルクに調整する
ように形成されていることを特徴とするハイブリッド駆動機構。 - 制御装置(11)が、トルクパルスを伝達する前にピストンエンジン(2)のピストンを最初の上死点に向かって回転させるように、制御装置(11)が形成されていることを特徴とする請求項8に記載のハイブリッド駆動機構。
- ピストンエンジン(2)のスタート工程の際にコンバータロックアップクラッチ(7)の駆動側の回転数が、コンバータロックアップクラッチ(7)の被動側の回転数よりも常に大きいことを特徴とする請求項8又は9に記載のハイブリッド駆動機構。
- 請求項8〜10のいずれか1つに記載のハイブリッド駆動機構(1)を有する自動車。
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