JP2008514506A - 混成液圧駆動装置 - Google Patents
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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
- B60K6/08—Prime-movers comprising combustion engines and mechanical or fluid energy storing means
- B60K6/12—Prime-movers comprising combustion engines and mechanical or fluid energy storing means by means of a chargeable fluidic accumulator
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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
- B60K6/22—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
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
【選択図】
図1
Description
更に、駆動ラインに組み込まれた液圧ポンプ/モータユニットはポンプ/モータの重量及び反力トルクを支持する構造体を必要とする。多くの場合、ポンプ/モータユニットは歯車箱を介して駆動ラインにインターフェイス接続することができる。このような場合、ポンプ/モータユニットのみならず歯車箱をも支持するために装着装置が必要になる。この必要な構造体はしばしばそれ自体のデザイン及び車両のシャシーへの取り付けについての挑戦を提示する。任意のこのような構造体を設計できる前に、シャシーの力学、重量分布、ノイズ、不快感、振動及び重大な作動クリアランスの慎重な分析が必要となる。
図1は自動車特にトラックやバスのような重量級の陸上車両に適用するための、本発明の第1の実施の形態に従った混成液圧(即ち再生)駆動装置8を示す。混成駆動装置8は内燃エンジン又は電気モータのような原動機10と、車両多速度トランスミッション12とを有する。好ましくは、トランスミッション12は原動機10をトランスミッション12に駆動結合する流体力学トルクコンバータ14を含む遊星自動トランスミッションである。任意の適当な形式の車両トランスミッションは本発明の要旨内に含まれることを認識されたい。今度は、トルクコンバータ14は原動機10の出力シャフト11に回転不能な状態で結合されたタービン14a(又はポンプ)と、トランスミッション12の入力シャフト12aに回転不能な状態で結合されたインペラ14bと、ステータ14cと、を有する。好ましくは、図1に示すように、原動機10は内燃エンジンであり、出力シャフト11はエンジン10のクランクシャフトである。
液圧ポンプ/モータユニット32とエンジン10のクランクシャフト11との間のインターフェイスは多くの形をとることができる。一層詳細には、図1に示す本発明の第1の例示的な実施の形態によれば、一体化した液圧ポンプ/モータユニット32は、可逆液圧ポンプ/モータユニット32をエンジン10のクランクシャフト11に選択的に結合するために設けられた結合装置26を通しての伝達前に、エンジン10の後方端部10Rにおいてクランクシャフト11に駆動接続される。
減速モードにおいては、クラッチ組立体28の係合状態で、運動エネルギの外部の源がエンジン12のクランクシャフト11及び結合装置26を介してポンプ/モータユニット32を駆動するとき、ポンプ/モータユニット32は液圧ポンプとして機能する。その結果、ポンプ/モータユニット32は液圧流体リザーバ34から液圧流体を吸引し、貯蔵アキュムレータ38に供給される加圧液圧流体を発生させる。ポンプ32を駆動するのに必要な負荷はエンジン12のクランクシャフト11上に減速力を生じさせる。従って、減速においては、ポンプ/モータユニット32は、エネルギ貯蔵アキュムレータ38内へ液圧流体をポンピングすることにより、自動車の駆動車輪21、23を減速させる。
図面の図3は、全体を符号108で示す本発明の混成液圧駆動装置の第2の例示的な実施の形態を示す。図1、2に示す第1の例示的な実施の形態のものとは変わらない素子又は同じ方法での機能は時には詳細な説明無しに同じ符号で示す。その理由は、読者なら、2つの実施の形態における対応する部品間の類似性を容易に理解できるからである。
車両のエンジンに組み込んだ混成装置に必要な(物理的な寸法及び体積的な流体変位としての)一層小さな液圧ポンプ/モータユニットは、車両の駆動ラインに組み込んだ混成液圧装置に必要な一層大きなポンプ/モータユニットよりも、一層安価となり、一層容易に製造できることを妥当に予期できよう。
−一層小さな液圧混成ポンプ/モータユニットは一般に一層大きな最大作動速度を許容する;
−トランスミッションの歯車比範囲にわたる液圧ポンプ/モータユニットの作動はエンジンの最大作動速度にロックされるポンプ/モータ比を保つ。多くの車両においては、この最大エンジン作動速度は、1又はそれ以上のトランスミッションのオーバードライブ比を使用するため、等価の駆動ライン速度よりも小さい。
1.エンジン始動:車両のエンジンに接続された液圧ポンプ/モータユニットにより、エンジンを始動させるためにポンプ/モータユニットを使用する能力が存在する。もちろん、このユニットは、エンジンを回転させるのに十分な液圧エネルギを貯蔵するために設けられる。液圧パワー装置のポンプ/モータユニットからエンジンを始動させるための本発明の液圧混成駆動装置のこの能力は、アイドリング状態を回避したい場合に、エンジンを停止させることができる。多くの場合、特に自動トランスミッションを備えた車両においては、駆動ラインに装着した混成装置によりエンジンを始動させることは不可能である。
Claims (18)
- 駆動モード、減速モード及び中立モードを含む3つの作動モードで作動できる、自動車のための混成液圧駆動装置において、
原動機、及び、同原動機を駆動車輪に接続するトランスミッションと;
加圧流体を貯蔵及び解放するように作動できる少なくとも1つの流体エネルギ貯蔵アキュムレータと;
上記トランスミッションの上流側で上記原動機の出力シャフトに作動的に結合され、上記少なくとも1つのエネルギ貯蔵アキュムレータに流体連通する可逆液圧機械と;
を有し、
上記混成液圧駆動装置は、上記減速モードにおいては、上記可逆液圧機械が上記少なくとも1つのエネルギ貯蔵アキュムレータ内に流体をポンピングすることにより上記車両の上記駆動車輪を減速させ、上記駆動モードにおいては、当該可逆液圧機械が当該車両の推進を補助するために当該少なくとも1つのエネルギ貯蔵アキュムレータからの加圧流体を使用して該車両の当該駆動車輪に補助のパワーを供給し、上記中立モードにおいては、該可逆液圧機械が上記原動機から切り離されて、該駆動車輪にいかなる重大な駆動又は減速の影響をも及ぼさないように、該可逆液圧機械を実質上不作動にするように、配列され;
それによって、使用中に、上記混成液圧駆動装置が、上記原動機とは実質上独立に、上記補助の再生パワー及び減速を上記駆動車輪に供給するようになっていることを特徴とする混成液圧駆動装置。 - 上記可逆液圧機械を上記原動機に結合するための結合装置を更に有することを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記結合装置が上記可逆液圧機械を上記原動機に選択的に結合するために設けられたクラッチ組立体を有することを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記中立モードにおいては、上記結合装置の上記クラッチ組立体が上記原動機から上記可逆液圧機械を切り離すことを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記クラッチ組立体が摩擦クラッチ組立体であることを特徴とする請求項3に記載の混成液圧駆動装置。
- 適当な量の液圧流体を貯蔵するために設けられた液圧流体リザーバを更に有し、同液圧流体リザーバが上記可逆液圧機械の入口と流体連通することを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記少なくとも1つの流体エネルギ貯蔵アキュムレータが液体/空気アキュムレータであることを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記少なくとも1つの流体エネルギ貯蔵アキュムレータが複数の流体エネルギ貯蔵アキュムレータを含むことを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記可逆液圧機械がその後端で上記原動機の上記出力シャフトに作動的に結合されることを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記可逆液圧機械がその前端で上記原動機の上記出力シャフトに作動的に結合されることを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記原動機と上記トランスミッションとの間に位置するトルクコンバータを更に有し、同トルクコンバータが当該原動機の上記出力シャフトに駆動接続されたタービンを有し、上記可逆液圧機械が上記トルクコンバータの上記タービンに作動的に結合されることを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記液圧流体をろ過するための微粒子フィルタを更に有することを特徴とする請求項6に記載の混成液圧駆動装置。
- 上記液圧流体を冷却するための熱交換器を更に有することを特徴とする請求項6に記載の混成液圧駆動装置。
- 上記熱交換器を通って流れる上記液圧流体の強制的な冷却のために当該熱交換器に関連する冷却ファンを更に含むことを特徴とする請求項13に記載の混成液圧駆動装置。
- 上記冷却ファンが液圧モータにより駆動されることを特徴とする請求項14に記載の混成液圧駆動装置。
- 上記冷却ファンが電気モータにより駆動されることを特徴とする請求項14に記載の混成液圧駆動装置。
- 上記可逆液圧機械が液圧ポンプ及び液圧モータの双方として機能できる可逆液圧ポンプ/モータユニットであることを特徴とする請求項1に記載の混成液圧駆動装置。
- 上記液圧ポンプ/モータユニットが可変容量形軸方向ピストン液圧モータ/ポンプを含むことを特徴とする請求項17に記載の混成液圧駆動装置。
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US10/953,182 US7273122B2 (en) | 2004-09-30 | 2004-09-30 | Hybrid hydraulic drive system with engine integrated hydraulic machine |
PCT/US2005/027236 WO2006038968A1 (en) | 2004-09-30 | 2005-07-29 | Hydraulic hybrid drive system |
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JP2008514506A true JP2008514506A (ja) | 2008-05-08 |
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JP2007534575A Pending JP2008514506A (ja) | 2004-09-30 | 2005-07-29 | 混成液圧駆動装置 |
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US (1) | US7273122B2 (ja) |
EP (1) | EP1799481A1 (ja) |
JP (1) | JP2008514506A (ja) |
CN (1) | CN100544989C (ja) |
AU (1) | AU2005292643B2 (ja) |
CA (1) | CA2581933C (ja) |
WO (1) | WO2006038968A1 (ja) |
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CN101068696A (zh) | 2007-11-07 |
CA2581933C (en) | 2011-02-01 |
AU2005292643B2 (en) | 2011-01-27 |
EP1799481A1 (en) | 2007-06-27 |
CA2581933A1 (en) | 2006-04-13 |
WO2006038968A1 (en) | 2006-04-13 |
AU2005292643A1 (en) | 2006-04-13 |
US20060068970A1 (en) | 2006-03-30 |
US7273122B2 (en) | 2007-09-25 |
CN100544989C (zh) | 2009-09-30 |
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